List of Papers (since 1989, all papers are written in English)

  • 2024

    • 485
      Non-Functionalized Subnanometer Copper Nanoparticles for Low-Temperature Methane Activation

      K. Sonobe, M. Tanabe, T. Imaoka, W-J Chun, Y. Ida, A. Kuzume, and K. Yamamoto
      ACS Appl. Nano Mater., 7, 5802-5808 (2024).
      https://doi.org/10.1021/acsanm.3c04281

      484
      Effect of Radical-Mediated Cross-Linking on Partially Fluorinated Aromatic Anion Exchange Membranes and their Applications in Alkaline Water Electrolysis Cells

      A. M. A. Mahmoud, K. Miyatake, F. Liu, V. Yadav, L. Guo, C. Y. Wong, T. Iwataki, K. Kakinuma, and M. Uchida
      Adv. Energy Sustainability Res., 5, 2300236 (2024).
      https://doi.org/10.1002/aesr.202300236

      483
      Small Angle X-Ray Scattering Study for Investigating the 3D Packing Structure of Pt Catalysts on Gd-Doped CeO2 Supports for Fuel Cells

      K. Omote, T. Iwata, and K. Kakinuma
      Adv. Theory Simul., 7, 2300713 (2024).
      https://doi.org/10.1002/adts.202300713

      482
      Impact of Pt-Loading and Carbon Support of Pt/C Anode Catalysts on Membrane Degradation Rate in Fuel Cells

      M. R. Berber, M. Imran, H. Nishino and H. Uchida
      J. Electrochem. Soc., 171, 024502 (2024).
      https://doi.org/10.1149/1945-7111/ad2733

      481
      Interactions between Adsorbed Hydrogen and Water Molecules on a Polycrystalline Pt Electrode Studied by In-Situ ATR-FTIR Spectroscopy

      K. Kunimatsu, H. Uchida, and M. Watanabe
      J. Electroanal. Chem., 954, 118037 (2024).
      https://doi.org/10.1016/j.jelechem.2024.118037

      480
      Synthesis and Functionalities of FeSn12 Superatom Prepared by Single Atom Introduction with a Dendrimer Template

      H. Muramatsu, T. Kambe, T. Tsukamoto, A. Kuzume, R. Hosono, T. Imaoka, and K. Yamamoto
      Chem. Eur. J., 30, e202400060 (2024).
      https://doi.org/10.1002/chem.202400060

    2023

    • 479
      Machine Learning Accelerated Discovery of Subnanoparticles for Electrocatalytic Hydrogen Evolution

      Q. Zou, A. Kuzume, M. Yoshida, T. Imaoka, and K. Yamamoto
      Chem. Lett., 52, 828-831 (2023).
      https://doi.org/10.1246/cl.230310

      478
      Highly Active Nanostructured NiCoMo-Based Catalyst for Oxygen Evolution in Anion-Exchange Membrane Water Electrolysis

      G. Shi, T. Tano, T. Iwataki, D. A. Tryk, M. Uchida, A. Iiyama, K. Terao, K. Tamoto, M. Yamaguchi, K. Miyatake, and K. Kakinuma
      ACS Appl. Energy Mater., 6, 10742-10747 (2023).
      https://doi.org/10.1021/acsaem.3c02152

      477
      Impacts of Pt/Carbon Black Catalyst Surface Hydrophilicity on Ionomer Distribution and Durability during Water-Generating Load Cycling of Polymer Electrolyte Fuel Cells

      K. Nagamori, S. Aoki, M. Ikegawa, K. Tamoto, Y. Honda, Y. Seki, H. Igarashi, and M. Uchida
      ACS Appl. Energy Mater., 6, 11481-11496 (2023).
      https://doi.org/10.1021/acsaem.3c01706

      476
      The Electrochemistry of Platinum-Group and Noble Metals as it Relates to Fuel Cells and Water Electrolysis: Vibrational Spectroscopic and Computational Insights

      D. A. Tryk and A. Kuzume
      Curr. Opin. Electrochem., 41, 101372 (2023).
      https://doi.org/10.1016/j.coelec.2023.101372

      475
      Development of Polymer Composite Membranes with Hydrophilic TiO2 Nanoparticles and Perfluorosulfonic Acid-Based Electrolyte for Polymer Electrolyte Fuel Cells Operating over a Wide Temperature Range

      R. Ohno, K. Shudo, T. Tano, and K. Kakinuma
      ACS Appl. Energy Mater., 6, 10098-10104 (2023).
      https://doi.org/10.1021/acsaem.3c01721

      474
      The Effect of the Piperidinium Structure on Anion-Exchange Membranes for Applications in Alkaline Water Electrolysis Cells

      Y. Ozawa, T. Iwataki, M. Uchida, K. Kakinuma, and K. Miyatake
      J. Mater. Chem. A, 11, 19925-19935 (2023).
      https://doi.org/10.1039/d3ta03288d

      473
      Anion Exchange Membrane Reinforced with Polyethylene Substrate for Alkaline Fuel Cell Applications

      A. M. A. Mahmoud, K. Nagahara, and K. Miyatake
      Sustainable Polymer & Energy, 1, 10012 (2023).
      https://doi.org/10.35534/spe.2023.10012

      472
      Nanorod Structuring of IrOx on a Unique Microstructure of Sb-Doped Tin Oxide to Dramatically Boost the Oxygen Evolution Reaction Activity for PEM Water Electrolysis

      G. Shi, T. Tano, D. A. Tryk, T. Uchiyama, A. Iiyama, M. Uchida, K. Terao, M. Yamaguchi, K. Tamoto, Y. Uchimoto, and K. Kakinuma
      ACS Catal., 13, 12299-12309 (2023).
      https://doi.org/10.1021/acscatal.3c01647

      471
      Proton-Conductive Aromatic Membranes Reinforced with Poly(vinylidene fluoride) Nanofibers for High-Performance Durable Fuel Cells

      F. Liu, I. S. Kim, and K. Miyatake
      Sci. Adv., 9, eadg9057 (2023).
      https://doi.org/10.1126/sciadv.adg9057

      470
      All-Solid-State Rechargeable Air Batteries Using Dihydroxybenzoquinone and Its Polymer as the Negative Electrode

      M. Yonenaga, Y. Kaiwa, K. Oka, K. Oyaizu, and K. Miyatake
      Angew. Chem. Int. Ed., 62, e202304366 (2023).
      https://doi.org/10.1002/anie.202304366

      469
      NiFe Alloy Integrated with Amorphous/Crystalline NiFe Oxide as an Electrocatalyst for Alkaline Hydrogen and Oxygen Evolution Reactions

      G. Shi, C. Arata, D. A. Tryk, T. Tano, M. Yamaguchi, A. Iiyama, M. Uchida, K. Iida, S. Watanabe, and K. Kakinuma
      ACS Omega, 8, 13068-13077 (2023).
      https://doi.org/10.1021/acsomega.3c00322

      468
      Reinforcement Effect in Tandemly Sulfonated, Partially Fluorinated Polyphenylene PEMs for Fuel Cells

      L. Guo, A. Masuda, and K. Miyatake
      RSC Adv., 13, 11225-11233 (2023).
      https://doi.org/10.1039/d3ra01041d

      467
      Changes in Microstructure of Ni-Co Dispersed Samaria-Doped Ceria Hydrogen Electrodes for the Improved Durability via Reversible Cycling Operation of Solid Oxide Cells

      E. H. Da'as, H. Nishino, and H. Uchida
      J. Electrochem. Soc., 170, 034507 (2023).
      https://doi.org/10.1149/1945-7111/acc552

      466
      Suppression of Membrane Degradation Accompanied with Increased Output Performance in Fuel Cells by Use of Silica-Containing Anode Catalyst Layers

      M. R. Berber, M. Imran, H. Nishino, and H. Uchida
      ACS Appl. Mater. Interfaces, 15, 13219-13227 (2023).
      https://doi.org/10.1021/acsami.3c01392

      465
      Highly Conductive and Ultra Alkaline Stable Anion Exchange Membranes by Superacid-Promoted Polycondensation for Fuel Cells

      A. M. A. Mahmoud and K. Miyatake
      ACS Appl. Polym. Mater., 5, 2243-2253 (2023).
      https://doi.org/10.1021/acsapm.2c02227

      464
      Atom Hybridization of Metallic Elements: Emergence of Subnano Metallurgy for the Post-Nanotechnology

      T. Imaoka, A. Kuzume, M. Tanabe, T. Tsukamoto, T. Kambe, and K. Yamamoto
      Coord. Chem. Rev., 474, 214826 (2023).
      https://doi.org/10.1016/j.ccr.2022.214826

      463
      Terpolymer-Based Anion Exchange Membranes: Effect of Pendent Hexyl Groups on Membranes Properties

      Y. Ozawa and K. Miyatake
      Bull. Chem. Soc. Jpn. 2023, 96, 16-23 (2023).
      https://doi.org/10.1246/bcsj.20220311

    2022

    • 462
      Temperature Dependence of Oxygen Evolution Reaction Activity in Alkaline Solution at Ni-Co Oxide Catalysts with Amorphous/ Crystalline Surfaces

      G. Shi, T. Tano, D. A. Tryk, M. Yamaguchi, A. Iiyama, M. Uchida, K. Iida, C. Arata, S. Watanabe, and K. Kakinuma
      ACS Catal., 12, 14209-14219 (2022).
      https://doi.org/10.1021/acscatal.2c02586

      461
      Tuning the Hydrophobic Component in Reinforced Poly(arylimidazolium)-Based Anion Exchange Membranes for Alkaline Fuel Cells

      A. M. A. Mahmoud and K. Miyatake
      ACS Appl. Energy Mater., 5, 15211-15221 (2022).
      https://doi.org/10.1021/acsaem.2c02868

      460
      Improvement of PEFC Performance Stability under High and Low Humidification Conditions by Use of a Gas Diffusion Layer with Interdigitated Gas Flow Channels

      T. Inoue, D. Sakai, K. Hirota, K. Sano, M. Nasu, H. Yanai, M. Watanabe, A. Iiyama, and M. Uchida
      J. Electrochem. Soc., 169, 114504 (2022).
      https://doi.org/10.1149/1945-7111/ac9edf

      459
      Alloying at a Subnanoscale Maximizes the Synergistic Effect on the Electrocatalytic Hydrogen Evolution

      Q. Zou, Y. Akada, A. Kuzume, M. Yoshida, T. Imaoka, and K. Yamamoto
      Angew. Chem. Int. Ed., 61, e202209675 (2022).
      https://doi.org/10.1002/anie.202209675

      458
      Addressing Planar Solid Oxide Cell Degradation Mechanisms: A Critical Review of Selected Components

      S. J. McPhail, S. Frangini, J. Laurencin, E. Effori, A. Abaza, A. K. Padinjarethil, A. Hagen, A. Leon, A. Brisse, D. Vladikova, B. Burdin, F. R. Bianchi, B. Bosio, P. Piccardo, R. Spotorno, H. Uchida, P. Polverino, E. A. Adinolfi, F. Postiglione, J-H Lee, H. Moussaoui, and J. Van herle
      Electrochem. Sci. Adv., 2, e202100024 (2022).
      https://doi.org/10.1002/elsa.202100024

      457
      Quaternary Ammonium-Biphosphate Ion-Pair Based Copolymers with Continuous H+ Transport Channels for High-Temperature Proton Exchange Membrane

      J. Jiang, Z. Li, M. Xiao, S. Wang, K. Miyatake and Y. Meng
      J. Membr. Sci., 660, 120878 (2022).
      https://doi.org/10.1016/j.memsci.2022.120878

      456
      Graphitic Carbon Nitride on Reduced Graphene Oxide Prepared via Semi-Closed Pyrolysis as Electrocatalyst for Oxygen Reduction Reaction

      J. L. Garcia, T. Miyao, J. Inukai, and B. J. V. Tongol
      Mater. Chem. Phys., 288, 126415 (2022).
      https://doi.org/10.1016/j.matchemphys.2022.126415

      455
      Tuning Hydrophobic Composition in Terpolymer-Based Anion Exchange Membranes to Balance Conductivity and Stability

      Y. Ozawa, Y. Shirase, K. Otsuji, and K. Miyatake
      Mol. Syst. Des. Eng., 7, 798-808 (2022).
      https://doi.org/10.1039/d2me00027j

      454
      Tandem Effect of Two Sulfophenylene Groups in Aromatic Polymers for Fuel Cell Membranes

      L. Guo and K. Miyatake
      ACS Appl. Energy Mater., 5, 5525-5530 (2022).
      https://doi.org/10.1021/acsaem.2c00940

      453
      Sulfonated and Fluorinated Aromatic Terpolymers as Proton Conductive Membranes: Synthesis, Structure, and Properties

      R. Kumao and K. Miyatake
      Bull. Chem. Soc. Jpn., 95, 707-712 (2022).
      https://doi.org/10.1246/bcsj.20220057

      452
      Neutron Imaging of Generated Water Inside Polymer Electrolyte Fuel Cell Using Newly-Developed Gas Diffusion Layer with Gas Flow Channels during Power Generation

      M. Nasu, H. Yanai, N. Hirayama, H. Adachi, Y. Kakizawa, Y. Shirase, H. Nishiyama, T. Kawamoto, J. Inukai, T. Shinohara, H. Hayashida, and M. Watanabe
      J. Power Sources, 530, 231251 (2022).
      https://doi.org/10.1016/j.jpowsour.2022.231251

      451
      Properties and Morphologies of Anion-Exchange Membranes with Different Lengths of Fluorinated Hydrophobic Chains

      Y. Shirase, A. Matsumoto, K. L. Lim, D. A. Tryk, K. Miyatake, and J. Inukai
      ACS Omega, 7, 13577-13587 (2022).
      https://doi.org/10.1021/acsomega.1c06958

      450
      Well-Designed Polyphenylene PEMs with High Proton Conductivity and Chemical and Mechanical Durability for Fuel Cells

      F. Liu and K. Miyatate
      J. Mater. Chem. A, 10, 7660-7667 (2022).
      https://doi.org/10.1039/d1ta10480b

      449
      Pt Nanorods Oriented on Gd-doped Ceria Polyhedra Enable Superior Oxygen Reduction Catalysis for Fuel Cells

      G. Shi, T. Tano, D. A. Tryk, A. Iiyama, M. Uchida, Y. Kuwauchi, A. Masuda, and K. Kakinuma
      J. Catal., 407, 300-311 (2022).
      https://doi.org/10.1016/j.jcat.2022.02.009

      448
      Protocol for Synthesis and Characterization of ePTFE Reinforced, Sulfonated Polyphenylene in the Application to Proton Exchange Membrane Fuel Cells

      Z. Long and K. Miyatake
      STAR Protoc., 3, 101049 (2022).
      https://doi.org/10.1016/j.xpro.2021.101049

      447
      Highly Conductive and Alkaline Stable Partially Fluorinated Anion Exchange Membranes for Alkaline Fuel Cells: Effect of Ammonium Head Groups

      A. M. A. Mahmoud and K. Miyatake
      J. Membr. Sci., 643, 120072 (2022).
      https://doi.org/10.1016/j.memsci.2021.120072

      446
      Effect of Water Management in Membrane and Cathode Catalyst Layers on Suppressing the Performance Hysteresis Phenomenon in Anion-Exchange Membrane Fuel Cells

      K. Otsuji, Y. Shirase, T. Asakawa, N. Yokota, K. Nagase, W. Xu, P. Song, S. Wang, D. A. Tryk, K. Kakinuma, J. Inukai, K. Miyatake, and M. Uchida
      J. Power Sources, 522, 230997 (2022).
      https://doi.org/10.1016/j.jpowsour.2022.230997

      445
      Particle-Size Effect of Pt Anode Catalysts on H2O2 Production Rate and H2 Oxidation Activity at 20 to 80℃

      H. Uchida, G. Shi, M. Imran, and D. A. Tryk
      J. Electrochem. Soc., 169, 014516 (2022).
      https://doi.org/10.1149/1945-7111/ac4b86

      444
      Effect of Pt Loading Percentage on Carbon Blacks with Large Interior Nanopore Volume on the Performance and Durability of Polymer Electrolyte Fuel Cells

      A. Kobayashi, T. Fujii, K. Takeda, K. Tamoto, K. Kakinuma, and M. Uchida
      ACS Appl. Energy Mater., 5, 316-329 (2022).
      https://doi.org/10.1021/acsaem.1c02836

      443
      An Aromatic Ionomer in the Anode Catalyst Layer Improves the Start-up Durability of Polymer Electrolyte Fuel Cells

      T. Tanaka, M. Uchida, and K. Miyatake
      Energy Adv., 1, 38-44 (2022).
      https://doi.org/10.1039/d1ya00024a

      442
      The Distribution and Diffusion Coefficient of Water Inside a Nafion Membrane in a Running Fuel Cell under Transient Conditions Analyzed by Operando Time-Resolved CARS Spectroscopy

      H. Nishiyama, A. Iiyama, and J. Inukai
      J. Power Sources Adv., 13, 100080 (2022).
      https://doi.org/10.1016/j.powera.2021.100080

    2021

    • 441
      Poly(para-phenylene) Ionomer Membranes: Effect of Methyl and Trifluoromethyl Substituents

      F. Liu, J. Ahn, J. Miyake, and K. Miyatake
      Polym. Chem., 12, 6101-6109 (2021).
      https://doi.org/10.1039/d1py01141c

      440
      Reinforced Polyphenylene Ionomer Membranes Exhibiting High Fuel Cell Performance and Mechanical Durability

      J. Miyake, T. Watanabe, H. Shintani, Y. Sugawara, M. Uchida, and K. Miyatake
      ACS Mater. Au, 1, 81-88 (2021).
      https://doi.org/10.1021/acsmaterialsau.1c00002

      439
      ePTFE Reinforced, Sulfonated Aromatic Polymer Membranes Enable Durable, High-Temperature Operable PEMFCs

      Z. Long and K. Miyatake
      iScience, 24, 102962 (2021).
      http://doi.org/10.1016/j.isci.2021.102962

      438
      Enhanced Oxygen Reduction Electrocatalysis on PtCoSn Alloy Nanocatalyst Mediated by Ta-doped SnO2 Support for Polymer Electrolyte Fuel Cells

      G. Shi, T. Hashimoto, D. A. Tryk, T. Tano, A. Iiyama, M. Uchida, and K. Kakinuma
      Electrochim. Acta, 390, 138894 (2021).
      https://doi.org/10.1016/j.electacta.2021.138894

      437
      Development of Highly Sensitive Raman Spectroscopy for Subnano and Single-Atom Detection

      Y. Tang, N. Haruta, A. Kuzume, and K. Yamamoto
      Molecules, 26, 5099 (2021).
      https://doi.org/10.3390/molecules26165099

      436
      Tailoring the Hydrophilic and Hydrophobic Reaction Fields of the Electrode Interface on Single Crystal Pt Electrodes for Hydrogen Evolution/Oxidation Reactions

      S. Tanaka, S. Takaya, T. Kumeda, N. Hoshi, K. Miyatake, and M. Nakamura
      Int. J. Hydrog. Energy, 46, 28078-28086 (2021).
      https://doi.org/10.1016/j.ijhydene.2021.06.064

      435
      Wet/Dry Cycle Durability of Polyphenylene Ionomer Membranes in PEFC

      T. Tanaka, H. Shintani, Y. Sugawara, A. Masuda, N. Sato, M. Uchida, and K. Miyatake
      J. Power Sources Adv., 10, 100063 (2021).
      https://doi.org/10.1016/j.powera.2021.100063

      434
      Water Distributions inside Polymer Electrolyte Thin Films Studied by Neutron Reflectometry

      T. Kawamoto and J. Inukai
      Vacuum and Surface Science, 64, 329-334 (2021).
      https://doi.org/10.1380/vss.64.329

      433
      Evaluation of Ionomer Distribution on Electrocatalysts for Polymer Electrolyte Fuel Cells by Use of a Low Acceleration Voltage Scanning Electron Microscope

      K. Kakinuma, M. Kawamoto, K. Tamoto, M. Yamaguchi, S. Honmura, A. Iiyama, and M. Uchida
      J. Electrochem. Soc., 168, 054510 (2021).
      https://doi.org/10.1149/1945-7111/abfa59

      432
      Temperature Dependence of Oxygen Reduction Activity at Pt/Nb-Doped SnO2 Catalysts with Varied Pt Loading

      G. Shi, T. Tano, D. A. Tryk, A. Iiyama, M. Uchida, and K. Kakinuma
      ACS Catal., 11, 5222-5230 (2021).
      https://doi.org/10.1021/acscatal.0c05157

      431
      A Facile, One-Step Synthesis for Core-Shell Perovskite Materials via Molten Salt

      B. Levitas, Z. Liu, S. Piligian, K. Kakinuma, and S. Gopalan
      Cryst. Growth Des., 21, 2581-2588 (2021).
      https://doi.org/10.1021/acs.cgd.0c01249

      430
      Analytical System for Simultaneous Operando Measurements of Electrochemical Reaction Rate and Hard X-ray Photoemission Spectroscopy

      K. Suda, T. Kawamoto, S. Yasuno, T. Watanabe, T. Koganezawa, M. Matsumoto, H. Imai, I. Hirosawa, and J. Inukai
      J. Electrochem. Soc., 168, 054506 (2021).
      https://doi.org/10.1149/1945-7111/abf971

      429
      High-Performance Fuel Cell Operable at 120℃ Using Polyphenylene Ionomer Membranes with Improved Interfacial Compatibility

      Z. Long and K. Miyatake
      ACS Appl. Mater. Interfaces, 13, 15366-15372 (2021).
      https://doi.org/10.1021/acsami.1c04270

      428
      Oscillation Mechanism in Polymer Electrolyte Membrane Fuel Cell Studied by Operando Monitoring of Oxygen Partial Pressure Using Optical Probes

      Y. Kakizawa, T. Kobayashi, M. Uchida, T. Ohno, T. Suga, M. Teranishi, M. Yoneda, T. Saiki, H. Nishide, M. Watanabe, A. Iiyama, and J. Inukai
      J. Surf. Finish. Soc. Jpn., 72, 230-237 (2021).

      427
      Effect of Pt and Ionomer Distribution on Polymer Electrolyte Fuel Cell Performance and Durability

      A. Kobayashi, T. Fujii, C. Harada, E. Yasumoto, K. Takeda, K. Kakinuma, and M. Uchida
      ACS Appl. Energy Mater., 4, 2307-2317 (2021).
      https://dx.doi.org/10.1021/acsaem.0c02841

      426
      Supercapacitive Characteristics and Change in Oxidation State of Mn-Ni Oxide Solid Solution Electrodes

      Y. Niwa, J. Inukai, and S. Nohara
      Electrochemistry, 89, 211-214 (2021).
      https://doi.org/10.5796/electrochemistry.21-00014

      425
      Performance Hysteresis Phenomena of Anion Exchange Membrane Fuel Cells Using an Fe-N-C Cathode Catalyst and an In-House-Developed Polymer Electrolyte

      K. Otsuji, N. Yokota, D. A. Tryk, K. Kakinuma, K. Miyatake, and M. Uchida
      J. Power Sources, 487, 229407 (2021).
      https://doi.org/10.1016/j.jpowsour.2020.229407

      424
      Depth-Direction Analysis of Nickel Depletion in a Ni-Gadolinia-Doped Ceria Hydrogen Electrode after Steam Electrolysis Operation

      H. Uchida, M. E. Brito, and H. Nishino
      J. Ceram. Soc. Jpn., 129, 111-117 (2021).
      http://doi.org/10.2109/jcersj2.20189

      423
      Visualization of the Oxygen Partial Pressure in a Proton Exchange Membrane Fuel Cell During Cell Operation with Low Oxygen Concentrations

      Y. Kakizawa, C. L. Schreiber, S. Takamuku, M. Uchida, A. Iiyama, and J. Inukai
      J. Power Sources, 483, 229193 (2021).
      https://doi.org/10.1016/j.jpowsour.2020.229193

      422
      Anion Exchange Membranes Containing No β-Hydrogen Atoms on Ammonium Groups: Synthesis, Properties, and Alkaline Stability

      D. Koronka and K. Miyatake
      RSC Adv., 11, 1030-1038 (2021).
      https://doi.org/10.1039/d0ra09308d

    2020

    • 421
      Structural Investigation of Sulfonated Polyphenylene Ionomers for the Design of Better Performing Proton-Conductive Membranes

      K. Shiino, T. Otomo, T. Yamada, H. Arima, K. Hiroi, S. Takata, J. Miyake, and K. Miyatake
      ACS Appl. Polym. Mater., 2, 5558-5565 (2020).
      https://dx.doi.org/10.1021/acsapm.0c00895

      420
      Structural Effect of Polyvinylpyrrolidine-stabilized Au Nanostars for SERS Application

      Y. Tang, A. Kuzume, K. Yamamoto
      Chem. Lett., 50, 248-251 (2020).
      https://doi.org/10.1246/cl.200720

      419
      Effect of an Electrospray- Generated Ionomer Morphology on Polymer Electrolyte Fuel Cell Performance

      S. Cho, K. Tamoto, and M. Uchida
      Energy Fuels, 34, 14853-14863 (2020).
      https://dx.doi.org/10.1021/acs.energyfuels.0c02337

      418
      Ladder-Type Sulfonated Poly (arylene perfluoroalkylene)s for High Performance Proton Exchange Membrane Fuel Cells

      Z. Long, J. Miyake, and K. Miyatake
      RSC Adv., 10, 41058-41064 (2020).
      https://doi.org/10.1039/d0ra08630d

      417
      Remarkably Improved Durability of Ni-Co Dispersed Samaria-Doped Ceria Hydrogen Electrodes by Reversible Cycling Operation of Solid Oxide Cells

      H. Uchida, H. Nishino, P. Puengjinda, and K. Kakinuma
      J. Electrochem. Soc., 167, 134516 (2020).
      https://doi.org/10.1149/1945-7111/abbdd8

      416
      Rechargeable Proton Exchange Membrane Fuel Cell Containing an Intrinsic Hydrogen Storage Polymer

      J. Miyake, Y. Ogawa, T. Tanaka, J. Ahn, K. Oka, K. Oyaizu, and K. Miyatake
      Commun. Chem., 3, 138 (2020).
      https://doi.org/10.1038/s42004-020-00384-z

      415
      Development of in situ A-SAXS and XAS Measurements of Pt Catalyst under Controlled Electrochemical Condition Using Channel Flow Electrode Cell

      T. Watanabe, T. Kawamoto, K. Suda, C. Pondchanok, Y. Hiraoka, and J. Inukai
      ECS Trans., 98, 477-486 (2020).
      https://doi.org/10.1149/09809.0477ecst

      414
      Dynamic Distribution of Chemical States of Water inside a Nafion Membrane in a Running Fuel Cell Monitored by Operando Time-Resolved CARS Spectroscopy

      H. Nishiyama, S. Takamuku, A. Iiyama, and J. Inukai
      J. Phys. Chem. C, 124, 19508-19513 (2020).
      https://dx.doi.org/10.1021/acs.jpcc.0c06499

      413
      Probing Consequences of Anion-Dictated Electrochemistry on the Electrode/Monolayer/Electrolyte Interfacial Properties

      R. A. Wong, Y. Yokota, M. Wakisaka, J. Inukai, and Y. Kim
      Nature Commun., 11, 4194 (2020).
      https://doi.org/10.1038/s41467-020-18030-6

      412
      Enhancement of the Catalytic Activity and Load Cycle Durability of a PtCo Alloy Cathode Catalyst Supported on Ta-Doped SnO2 with a Unique Fused Aggregated Network Microstructure for Polymer Electrolyte Fuel Cells

      K. Kakinuma, M. Hayashi, T. Hashimoto, A. Iiyama, and M. Uchida
      ACS Appl. Energy Mater., 3, 6922-6928 (2020).
      https://dx.doi.org/10.1021/acsaem.0c00993

      411
      Current-Sensing Atomic Force Microscopy for Analyzing Conformations and Properties of Polymer Membranes for Fuel Cells

      J. Inukai
      Curr. Opin. Electrochem., 21, 345-350 (2020).
      https://doi.org/10.1016/j.coelec.2020.04.013

      410
      PEFC Catalyst Layers: Effect of Support Microstructure on Both Distributions of Pt and Ionomer and Cell Performance and Durability

      M. Uchida
      Curr. Opin. Electrochem., 21, 209-218 (2020).
      https://doi.org/10.1016/j.coelec.2020.02.019

      409
      Proton Exchange Membranes Containing Densely Sulfonated Quinquephenylene Groups for High Performance and Durable Fuel Cells

      Z. Long, J. Miyake, and K. Miyatake
      J. Mater. Chem. A, 8, 12134-12140 (2020).
      https://doi.org/10.1039/d0ta03435e

      408
      Sublayered Thin Films of Hydrated Anion Exchange Ionomer for Fuel Cells Formed on SiO2 and Pt Substrates Analyzed by Neutron Reflectometry under Controlled Temperature and Humidity Conditions

      T. Kimura, T. Kawamoto, M. Aoki, T. Mizusawa, N. L. Yamada, K. Miyatake, and J. Inukai
      Langmuir, 36, 4955-4963 (2020).
      https://dx.doi.org/10.1021/acs.langmuir.0c00440

      407
      Chemical States of Water Molecules Distributed Inside a Proton Exchange Membrane of a Running Fuel Cell Studied by Operando Coherent Anti-Stokes Raman Scattering Spectroscopy

      H. Nishiyama, S. Takamuku, K. Oshikawa, S. Lacher, A. Iiyama, and J. Inukai
      J. Phys. Chem. C, 124 , 9703-9711 (2020).
      https://dx.doi.org/10.1021/acs.jpcc.0c00347

      406
      Sulfonated Poly(arylene perfluoroalkylene) Terpolymers as Novel Proton Exchange Membranes for High Performance Fuel Cells

      Z. Long, J. Miyake, and K. Miyatake
      Bull. Chem. Soc. Jpn., 93, 338-344 (2020).
      https://doi.org/10.1246/bcsj.20190351

      405
      Differences in the Synthetic Method Affected Copolymer Sequence and Membrane Properties of Sulfonated Polymers

      I. Hosaka, T. Sawano, T. Kimura, A. Matsumoto, J. Miyake, and K. Miyatake
      Bull. Chem. Soc. Jpn., 93, 393-398 (2020).
      https://doi.org/10.1246/bcsj.20190309

      404
      Adstructures of Platinum-Complex Precursors and Platinum Nanoparticles Formed on Low-Index Single-Crystal Au Surfaces for Oxygen Reduction Reaction

      M. Hara, K. Suto, J. Inukai, S. Yoshimoto, and K. Itaya
      J. Electroanal. Chem., 858, 114019 (2020).
      http://dx.doi.org/10.1016/j.jelechem.2020.114019

      403
      Unparalleled Mitigation of Membrane Degradation in Fuel Cells via a Counter-Intuitive Approach: Suppression of H2O2 Production at the Hydrogen Anode Using a Ptskin–PtCo Catalyst

      G. Shi, D. A. Tryk, T. Iwataki, H. Yano, M. Uchida, A. Iiyama, and H. Uchida
      J. Mater. Chem. A, 8, 1091-1094 (2020).
      https://doi.org/10.1039/c9ta12023h

      402
      Enhancement of Hydrogen Evolution Activity on Pt-Skin/Pt3Co [(111), (100), and (110)] Single Crystal Electrodes

      S. Kobayashi, D. A. Tryk, and H. Uchida
      Electrochem. Commun., 110, 106615 (2020).
      https://doi.org/10.1016/j.elecom.2019.106615

      401
      Highly Anion Conductive Polymers: How Do Hexafluoroisopropylidene Groups Affect Membrane Properties and Alkaline Fuel Cell Performance?

      T. Kimura, A. Matsumoto, J. Inukai, and K. Miyatake
      ACS Appl. Energy Mater., 3, 469-477 (2020).
      https://doi.org/10.1021/acsaem.9b01733

    2019

    • 400
      Potential Cycle-Induced Change in the Crystal Structure of a Pt-Skin/PtCo Alloy Nanostructured Electrocatalyst for Fuel Cells

      H. Yano, N. Takao, M. Arao, M. Matsumoto, T. Itoh, H. Imai, A. Iiyama, J. Inukai, and H. Uchida
      ACS Appl. Nano Mater., 2, 7473-7477 (2019).
      https://doi.org/10.1021/acsanm.9b02251

      399
      Partially Fluorinated Copolymers Containing Pendant Piperidinium Head Groups as Anion Exchange Membranes for Alkaline Fuel Cells

      D. Koronka, A. Matsumoto, K. Otsuji, and K. Miyatake
      RSC Adv., 9, 37391-37402 (2019).
      https://doi.org/10.1039/c9ra07775h

      398
      Effect of Core-Alloy Composition and Particle Size of Stabilized Pt Skin/PtCo Alloy Nanocatalysts on the CO-Tolerant Hydrogen Oxidation Electrocatalysis

      G. Shi, H. Yano, D. A. Tryk, A. Iiyama, and H. Uchida
      Electrochim. Acta., 328, 135056 (2019).
      https://doi.org/10.1016/j.electacta.2019.135056

      397
      Partially Fluorinated Polyphenylene Ionomers as Proton Exchange Membranes for Fuel Cells: Effect of Pendant Multi-Sulfophenylene Groups

      Z. Long, J. Miyake, and K. Miyatake
      ACS Appl. Energy Mater., 2 7527-7534 (2019).
      https://doi.org/10.1021/acsaem.9b01513

      396
      Electronic States and Transport Phenomena of Pt Nanoparticle Catalysts Supported on Nb-Doped SnO2 for Polymer Electrolyte Fuel Cells

      K. Kakinuma, K. Suda, R. Kobayashi, T. Tano, C. Arata, I. Amemiya, S. Watanabe, M. Matsumoto, H. Imai, A. Iiyama, and M. Uchida
      ACS Appl. Mater. Interfaces, 11, 34957-34963 (2019).
      https://doi.org/10.1021/acsami.9b11119

      395
      Sublayered Structures of Hydrated Nafion® Thin Film Formed by Casting on Pt Substrate Analyzed by X-ray Absorption Spectroscopy under Ambient Conditions and Neutron Reflectometry at Temperature of 80°C and Relative Humidity of 30–80%

      T. Kawamoto, M. Aoki, T. Kimura, P. Chinapang, T. Mizusawa, N. L. Yamada, F. Nemoto, T. Watanabe, H. Tanida, M. Matsumoto, H. Imai, J. Miyake, K. Miyatake, and J. Inukai
      Electrochemistry, 87, 270-275 (2019).
      https://doi.org/10.5796/electrochemistry.19-00042

      394
      Further Improvement in Performances of La0.6Sr0.4Co0.2Fe0.8O3-δ - Doped Ceria Composite Oxygen Electrodes with Infiltrated Doped Ceria Nanoparticles for Reversible Solid Oxide Cells

      M. E. Brito, H. Morishita, J. Yamada, H. Nishino, and H. Uchida
      J. Power Sources, 427, 293-298 (2019).
      https://doi.org/10.1016/j.jpowsour.2019.04.066

      393
      In-Plane Distribution of Water Inside Nafion® Thin Film Analyzed by Neutron Reflectivity at Temperature of 80 °C and Relative Humidity of 30%–80% Based on 4-Layered Structural Model

      T. Kawamoto, M. Aoki, T. Kimura, T. Mizusawa, N. L. Yamada, J. Miyake, K. Miyatake, and J. Inukai
      Jpn. J. Appl. Phys., 58, SIID01-1 - SIID01-5 (2019).
      https://doi.org/10.7567/1347-4065/ab0c7c

      392
      Highly Stable Polyphenylene Ionomer Membranes from Dichlorobiphenyls

      K. Shiino, J. Miyake, and K. Miyatake
      Chem. Commun., 55 7073-7076 (2019).
      https://doi.org/10.1039/c9cc02475a

      391
      Effect of Alkanediol Additives on the Properties of Polyphenylene-Based Proton Exchange Membranes

      Z. Long, Y. Zhang, J. Miyake, and K. Miyatake
      Ind. Eng. Chem. Res., 58, 9915-9920 (2019).
      https://doi.org/10.1021/acs.iecr.9b01564

      390
      Development and Analysis of an Innovative Flat-Metal Separator Integrating the GDL with Gas-Flow Channels as PEFC Components

      M. Watanabe, H. Yanai, and M. Nasu
      J. Electrochem. Soc., 166, F3210-F3215 (2019).
      https://doi.org/10.1149/2.0231907jes

      389
      Electro-Oxidation of CO Saturated in 0.1 M HClO4 on Basal and Stepped Pt Single-Crystal Electrodes at Room Temperature Accompanied by Surface Reconstruction

      K. Abe, H. Uchida, and J. Inukai
      Surfaces, 2, 315-325 (2019).
      https://doi.org/10.3390/surfaces2020023

      388
      Effect of Crosslinking on the Properties of Partially Fluorinated Anion Exchange Membranes

      D. Koronka, A. M. A. Mohamed, and K. Miyatake
      J. Polym. Sci. A: Polym. Chem., 57, 1059-1069 (2019).
      https://doi.org/10.1002/pola.29360

      387
      Durability of Newly Developed Polyphenylene-Based Ionomer Membranes in Polymer Electrolyte Fuel Cells: Accelerated Stress Evaluation

      R. Shimizu, K. Otsuji, A. Masuda, N. Sato, M. Kusakabe, A. Iiyama, K. Miyatake, and M. Uchida
      J. Electrochem. Soc., 166, F3105-F3110 (2019).
      https://doi.org/10.1149/2.0131907jes

      386
      High Hydrogen Evolution Activity and Suppressed H2O2 Production on Pt-Skin/PtFe Alloy Nanocatalysts for Proton Exchange Membrane Water Electrolysis

      G. Shi, H. Yano, D. A. Tryk, S. Nohara, and H. Uchida
      Phys. Chem. Chem. Phys., 21, 2861-2865 (2019).
      https://doi.org/10.1039/c8cp06825a

      385
      Effect of Electronic Conductivities of Iridium Oxide/Doped SnO2 Oxygen-Evolving Catalysts on the Polarization Properties in Proton Exchange Membrane Water Electrolysis

      H. Ohno, S. Nohara, K. Kakinuma, M. Uchida, and H. Uchida
      Catalysts, 9, 74 (2019).
      https://doi.org/10.3390/catal9010074

    2018

    • 384
      Platinum Anti-Dissolution Mechanism of Pt/Nb-SnO2 Cathode Catalyst Layer during Load Cycling in the Presence of Oxygen for Polymer Electrolyte Fuel Cells

      C. Takei, R. Kobayashi, Y. Mizushita, Y. Hiramitsu, K. Kakinuma, and M. Uchida
      J. Electrochem. Soc., 165, F1300-F1311 (2018).
      https://doi.org/10.1149/2.0591816jes

      383
      Sulfonated Aromatic Polymers Containing Hexafluoroisopropylidene Groups: Simple but Effective Structure for Fuel Cell Membranes

      J. Ahn, R. Shimizu, and K. Miyatake
      J. Mater. Chem. A, 6, 24625-24632 (2018).
      https://doi.org/10.1039/c8ta09587f

      382
      Structurally Well-Defined Anion Exchange Membranes Containing Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Groups

      M. Ozawa, T. Kimura, K. Otsuji, R. Akiyama, J. Miyake, M. Uchida, J. Inukai, and K. Miyatake
      ACS Omega, 3, 16143-16149 (2018).
      https://doi.org/10.1021/acsomega.8b02742

      381
      Discerning the Redox-Dependent Electronic and Interfacial Structures in Electroactive Self-Assembled Monolayers

      R. A. Wong, Y. Yokota, M. Wakisaka, J. Inukai, and Y. Kim
      J. Am. Chem. Soc., 140, 13672-13679 (2018).
      https://doi.org/10.1021/jacs.8b05885

      380
      Effects of Sulfate on the Oxygen Reduction Reaction Activity on Stabilized Pt Skin/PtCo Alloy Catalysts from 30 to 80 ℃

      H. Nishikawa, H. Yano, J. Inukai, D. A. Tryk, A. Iiyama, and H. Uchida
      Langmuir, 34, 13558-13564 (2018).
      https://doi.org/10.1021/acs.langmuir.8b02945

      379
      Oxygen Evolution Reaction on Perovskites: A Multieffect Descriptor Study Combining Experimental and Theoretical Methods

      X. Cheng, E. Fabbri, Y. Yamashita, I. E. Castelli, B. Kim, M. Uchida, R. Haumont, I. Puente-Orench, and T. J. Schmidt
      ACS Catal., 8, 9567-9578 (2018).
      https://doi.org/10.1021/acscatal.8b02022

      378
      Influence of Ionomer Content on Both Cell Performance and Load Cycle Durability for Polymer Electrolyte Fuel Cells Using Pt/Nb-SnO2 Cathode Catalyst Layers

      K. Kakinuma, R. Kobayashi, A. Iiyama, and M. Uchida
      J. Electrochem. Soc., 165, J3083-J3089 (2018).
      https://doi.org/10.1149/2.0141815jes

      377
      Sulfonated Terpolymers Containing Alkylene and Perfluoroalkylene Groups: Effect of Aliphatic Groups on Membrane Properties and Interface with the Catalyst Layers

      J. Ahn and K. Miyatake
      ACS. Appl. Energy Mater., 1, 3965-3972 (2018).
      https://doi.org/10.1021/acsaem.8b00684

      376
      PtNi Alloy Nanoparticles Prepared by Nanocapsule Method for ORR Catalysts in Alkaline Media

      K. Miyatake and Y. Shimizu
      Bull. Chem. Soc. Jpn., 91, 1495-1497 (2018).
      https://doi.org/10.1246/bcsj.20180175

      375
      Optimization of Pendant Chain Length in Partially Fluorinated Aromatic Anion Exchange Membranes for Alkaline Fuel Cells

      A. M. A. Mahmoud and K. Miyatake
      J. Mater. Chem. A, 6, 14400-14409 (2018).
      https://doi.org/10.1039/c8ta04310h

      374
      Structurally Well-Defined Anion Conductive Aromatic Copolymers: Effect of the Side-Chain Length

      R. Akiyama, N. Yokota, K. Otsuji, and K. Miyatake
      Macromolecules, 51, 3394-3404 (2018).
      https://doi.org/10.1021/acs.macromol.8b00284

      373
      Achievement of Distinctively High Durability at Nanosized Pt Catalysts Supported on Carbon Black for Fuel Cell Cathodes

      M. Watanabe, H. Yano, H. Uchida, and D. A. Tryk
      J. Electroanal. Chem., 819, 359-364 (2018).
      https://doi.org/10.1016/j.jelechem.2017.11.017

      372
      Synthesis and Evaluation of Double-Layer Electrodes Using a Ni-BaCe0.50Zr0.27Y0.20Ni0.03O3−δ Cermet with a Fused-Aggregate Network Structure as the Hydrogen Electrode of Solid Oxide Cells

      R. Nishikawa, H. Nishino, M. E. Brito, and K. Kakinuma
      J. Ceram. Soc. Jpn., 126, 208-213 (2018).
      https://doi.org/10.2109/jcersj2.17258

      371
      Versatile Synthesis of Sulfonated Aromatic Copolymers Using NiBr2

      I. Hosaka, M. Kusakabe, and K. Miyatake
      Chem. Lett., 47, 257-259 (2018).
      https://doi.org/10.1246/cl.171071

      370
      Remarkable Reinforcement Effect in Sulfonated Aromatic Polymers as Fuel Cell Membrane

      J. Miyake, M. Kusakabe, A. Tsutsumida, and K. Miyatake
      ACS Appl. Energy Mater., 1, 1233-1238 (2018).
      https://doi.org/10.1021/acsaem.7b00349

      369
      Sulfonated Phenylene/Quinquephenylene/Perfluoroalkylene Terpolymers as Proton Exchange Membranes for Fuel Cells

      Y. Zhang, J. Miyake, R. Akiyama, R. Shimizu, and K. Miyatake
      ACS Appl. Energy Mater., 1, 1008-1015 (2018).
      https://doi.org/10.1021/acsaem.7b00162

      368
      Effects of Both Oxygen Permeability and Ion Exchange Capacity for Cathode Ionomers on the Performance and Durability of Polymer Electrolyte Fuel Cells

      R. Shimizu, Y.-C. Park, K. Kakinuma, A. Iiyama, and M. Uchida
      J. Electrochem. Soc, 165, F3063-F3071 (2018).
      https://doi.org/10.1149/2.0071806jes

      367
      Phase Separation and Ion Conductivity in the Bulk and at the Surface of Anion Exchange Membranes with Different Ion Exchange Capacities at Different Humidities

      T. Kimura, R. Akiyama, K. Miyatake, and J. Inukai
      J. Power Sources, 375, 397-403 (2018).
      http://dx.doi.org/10.1016/j.jpowsour.2017.06.081

      366
      Mechanism of H2O2 Decomposition by Triphenylphosphine Oxide

      T. Tsuneda, J. Miyake, and K. Miyatake
      ACS Omega, 3, 259-265 (2018).
      https://doi.org/10.1021/acsomega.7b01416

      365
      Atomically Flat Pt Skin and Striking Enrichment of Co in Underlying Alloy at Pt3Co(111) Single Crystal with Unprecedented Activity for the Oxygen Reduction Reaction

      S. Kobayashi, M. Aoki, M. Wakisaka, T. Kawamoto, R. Shirasaka, K. Suda, D. A. Tryk, J. Inukai, T. Kondo, and H. Uchida
      ACS Omega, 3, 154-158 (2018).
      https://doi.org/10.1021/acsomega.7b01793

      364
      Unsupported Pt3Ni Aerogels as Corrosion Resistant PEFC Anode Catalysts under Gross Fuel Starvation Conditions

      S. Henning, R. Shimizu, J. Herranz, L. Kühn, A. Eychmüller, M. Uchida, K. Kakinuma, and T. J. Schmidt
      J. Electrochem. Soc, 165, F32-F37 (2018).
      https://doi.org/10.1149/2.0531802jes

      363
      Tomographic Analysis and Modeling of Polymer Electrolyte Fuel Cell Unsupported Catalyst Layers

      H. Ishikawa, S. Henning, J. Herranz, A. Eychmüller, M. Uchida, and T. J. Schmidt
      J. Electrochem. Soc, 165, F7-F16 (2018).
      https://doi.org/10.1149/2.0371802jes

    2017

    • 362
      Robust Anion Conductive Polymers Containing Perfluoroalkylene and Pendant Ammonium Groups for High Performance Fuel Cells

      H. Ono, T. Kimura, A. Takano, K. Asazawa, J. Miyake, J. Inukai, and K. Miyatake
      J. Mater. Chem. A, 5, 24804-24812 (2017).
      https://doi.org/10.1039/c7ta09409d

      361
      Weakened CO Adsorption and Enhanced Structural Integrity of a Stabilized Pt Skin/PtCo Hydrogen Oxidation Catalyst Analysed by In Situ X-Ray Absorption Spectroscopy

      G. Shi, H. Yano, D. A. Tryk, M. Matsumoto, H. Tanida, M. Arao, H. Imai, J. Inukai, A. Iiyama, and H. Uchida
      Catal. Sci. Technol., 7, 6124-6131 (2017).
      https://doi.org/10.1039/c7cy01700f

      360
      Boosting Pt Oxygen Reduction Reaction Activity by Tuning the Tin Oxide Support

      E. Fabbri, A. Rabis, Y. Chino, M. Uchida, and T. J. Schmidt
      Electrochem. Commun., 83, 90-95 (2017).
      http://dx.doi.org/10.1016/j.elecom.2017.09.006

      359
      Design of Flexible Polyphenylene Proton-Conducting Membrane for Next-Generation Fuel Cells

      J. Miyake, R. Taki, T. Mochizuki, R. Shimizu, R. Akiyama, M. Uchida, and K. Miyatake
      Sci. Adv., 3, eaao0476 (2017).
      https://doi.org/10.1126/sciadv.aao0476

      358
      Durability and Degradation Analysis of Hydrocarbon Ionomer Membranes in Polymer Electrolyte Fuel Cells Accelerated Stress Evaluation

      R. Shimizu, J. Tsuji, N. Sato, J. Takano, S. Itami, M. Kusakabe, K. Miyatake, A. Iiyama, and M. Uchida
      J. Power Sources, 367, 63-71 (2017).
      http://dx.doi.org/10.1016/j.jpowsour.2017.09.025

      357
      Copolymers Composed of Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Groups as Chemically Stable Anion Exchange Membranes

      M. Ozawa, T. Kimura, R. Akiyama, J. Miyake, J. Inukai, and K. Miyatake
      Bull. Chem. Soc. Jpn., 90, 1088-1094 (2017).
      https://doi.org/10.1246/bcsj.20170185

      356
      Research and Development of Highly Active and Durable Electrocatalysts Based on Multilateral Analyses of Fuel Cell Reactions

      H. Uchida
      Electrochemistry, 85, 526-533 (2017).
      http://dx.doi.org/10.5796/electrochemistry.85.526

      355
      Electrochemical Oxidation of Hydrolyzed Poly-Oxymethylene-Dimethylether by Pt and PtRu Catalysts on Ta-Doped SnO2 Supports for Direct Oxidation Fuel Cells

      K. Kakinuma, N. Hirayama, A. Iiyama, M. Watanabe, and M. Uchida
      J. Electrochem. Soc., 164, F1226-F1233 (2017).
      https://doi.org/10.1149/2.1461712jes

      354
      Durability of Sulfonated Phenylene Poly (Arylene Ether Ketone) Semiblock Copolymer Membrane in Wet-Dry Cycling for PEFCs

      H. Ishikawa, Y. Fujita, J. Tsuji, M. Kusakabe, J. Miyake, Y. Sugawara, K. Miyatake, and M. Uchida
      J. Electrochem. Soc., 164, F1204-F1210 (2017).
      https://doi.org/10.1149/2.1471712jes

      353
      Durability of Unsupported Pt-Ni Aerogels in PEFC Cathodes

      S. Henning, J. Herranz, H. Ishikawa, B. J. Kim, D. Abbott, L. Kühn, A. Eychmüller, and T. J. Schmidt
      J. Electrochem. Soc., 164, F1136-F1141 (2017).
      https://doi.org/10.1149/2.0131712jes

      352
      Analysis of the Surface Oxidation Process on Pt Nanoparticles on a Glassy Carbon Electrode by Angle-Resolved, Grazing-Incidence X‑ray Photoelectron Spectroscopy

      S. Miyashita, M. Wakisaka, A. Iiyama, and H. Uchida
      Langmuir, 33, 8877-8882 (2017).
      https://doi.org/10.1021/acs.langmuir.7b01446

      351
      Unsupported Pt-Ni Aerogels with Enhanced High Current Performance and Durability in Fuel Cell Cathodes

      S. Henning, H. Ishikawa, L. Kühn, J. Herranz, E. Müller, A. Eychmüller, and T. J. Schmidt
      Angew. Chem. Int. Ed, 56, 10707-10710 (2017).
      https://doi.org/10.1002/anie.201704253

      350
      Theoretical Investigation of the H2O2-Induced Degradation Mechanism of Hydrated Nafion Membrane via Ether-Linkage Dissociation

      T. Tsuneda, R. K. Singh, A. Iiyama, and K. Miyatake
      ACS Omega, 2, 4053-4064 (2017).
      https://doi.org/10.1021/acsomega.7b00594

      349
      Synthesis and Evaluation of Ni Catalysts Supported on BaCe0.5Zr0.3-xY0.2NixO3-δ with Fused-Aggregate Network Structure for the Hydrogen Electrode of Solid Oxide Electrolysis Cell

      R. Nishikawa, K. Kakinuma, H. Nishino, M. E. Brito, S. Gopalan, and H. Uchida
      Catalysts, 7, 223 (2017).
      https://doi.org/10.3390/catal7070223

      348
      Oxygen Reduction Activity and Durability of Ordered and Disordered Pt3Co Alloy Nanoparticle Catalysts at Practical Temperatures of Polymer Electrolyte Fuel Cells

      H. Yano, I. Arima, M. Watanabe, A. Iiyama, and H. Uchida
      J. Electrochem. Soc., 164, F966-F972 (2017).
      https://doi.org/10.1149/2.1141709jes

      347
      Remarkable Mass Activities for the Oxygen Evolution Reaction at Iridium Oxide Nanocatalysts Dispersed on Tin Oxides for Polymer Electrolyte Membrane Water Electrolysis

      H. Ohno, S. Nohara, K. Kakinuma, M. Uchida, A. Miyake, S. Deki, and H. Uchida
      J. Electrochem. Soc., 164, F944-F947 (2017).
      https://doi.org/10.1149/2.1101709jes

      346
      Visualization of the Oxygen Partial Pressure on the Gas-Diffusion-Layer Surface under the Single-Serpentine Flow Channel and the Ribs in a Polymer Electrolyte Membrane Fuel Cell during the Power Generation

      K. Takanohashi, M. Uchida, A. Iiyama, and J. Inukai
      J. Finish. Soc. Japan, 68, 338-343 (2017).

      345
      High Hydroxide Ion Conductivity with Enhanced Alkaline Stability of Partially Fluorinated and Quaternized Aromatic Copolymers as Anion Exchange Membranes

      A. M. A. Mahmoud, A. M. M. Elsaghier, K. Otsuji, and K. Miyatake
      Macromolecules, 50, 4256-4266 (2017).
      https://doi.org/10.1021/acs.macromol.7b00401

      344
      Effect of Microstructure on Performance of Double-Layer Hydrogen Electrodes for Reversible SOEC/SOFC

      P. Puengjinda, H. Nishino, K. Kakinuma, M. E. Brito, and H. Uchida
      J. Electrochem. Soc., 164, F889-F894 (2017).
      https://doi.org/10.1149/2.0241709jes

      343
      Effect of Alloy Composition and Crystal Face of Pt-Skin/Pt100-xCox [(111), (100), and (110)] Single Crystal Electrodes on the Oxygen Reduction Reaction Activity

      S. Kobayashi, M. Wakisaka, D. A. Tryk, A. Iiyama, and H. Uchida
      J. Phys. Chem. C., 121, 11234-11240 (2017).
      https://doi.org/10.1021/acs.jpcc.6b12567

      342
      Pt/Co Alloy Nanoparticles Prepared by Nanocapsule Method Exhibit a High Oxygen Reduction Reaction Activity in the Alkaline Media

      K. Miyatake and Y. Shimizu
      ACS Omega, 2, 2085-2089 (2017).
      https://doi.org/10.1021/acsomega.7b00415

      341
      High Durability of La0.6Sr0.4Co0.2Fe0.8O3−δ/Samaria-doped Ceria (SDC) Composite Oxygen Electrode with SDC Interlayer for Reversible Solid Oxide Fuel Cell/Solid Oxide Electrolysis Cell

      K. Shimura, H. Nishino, K. Kakinuma, M. E. Brito, and H. Uchida
      J. Ceram. Soc. Jpn., 125, 218-222 (2017).
      http://doi.org/10.2109/jcersj2.16274

      340
      Improvement of Cell Performance in Low-Pt-Loading PEFC Cathode Catalyst Layers with Pt/Ta-SnO2 Prepared by the Electrospray Method

      K. Takahashi, R. Koda, K. Kakinuma, and M. Uchida
      J. Electrochem. Soc., 164, F235-F242 (2017).
      https://doi.org/10.1149/2.0251704jes

      339
      Degradation Mechanisms of Carbon Supports under Hydrogen Passivation Startup and Shutdown Process for PEFCs

      Y. Yamashita, S. Itami, J. Takano, K. Kakinuma, H. Uchida, M. Watanabe, A. Iiyama, and M. Uchida
      J. Electrochem. Soc., 164, F181-F187 (2017).
      https://doi.org/10.1149/2.0101704jes

      338
      Effect of Samaria-Doped Ceria (SDC) Interlayer on the Performance of La0.6Sr0.4Co0.2Fe0.8O3-δ/SDC Composite Oxygen Electrode for Reversible Solid Oxide Fuel Cells

      K. Shimura, H. Nishino, K. Kakinuma, M. E. Brito, and H. Uchida
      Electrochim. Acta, 225, 114-120 (2017).
      http://dx.doi.org/10.1016/j.electacta.2016.12.100

      337
      Highly Active, CO-Tolerant, and Robust Hydrogen Anode Catalysts: Pt-M (M = Fe, Co, Ni) Alloys with Stabilized Pt-Skin Layers

      G. Shi, H. Yano, D. A. Tryk, A. Iiyama, and H. Uchida
      ACS Catal., 7, 267-274 (2017).
      https://doi.org/10.1021/acscatal.6b02794

      336
      In Situ FTIR Analysis of CO-Tolerance of a Pt-Fe Alloy with Stabilized Pt Skin Layers as a Hydrogen Anode Catalyst for Polymer Electrolyte Fuel Cells

      Y. Ogihara, H. Yano, T. Matsumoto, D. A. Tryk, A. Iiyama, and H. Uchida
      Catalysts, 7, 8 (2017).
      https://doi.org/10.3390/catal7010008

    2016

    • 335
      Effect of Thermal Crosslinking on the Properties of Sulfonated Poly(Phenylene Sulfone)s as Proton Conductive Membranes

      Y. Zhang, J-D. Kim, and K. Miyatake
      J. Appl. Polym. Sci, 133, 44218 (2016).
      https://doi.org/10.1002/app.44218

      334
      Particle-Size Effect of Pt Cathode Catalysts on Durability in Fuel Cells

      H. Yano, M. Watanabe, A. Iiyama, and H. Uchida
      Nano Energy, 29, 323-333 (2016).
      http://dx.doi.org/10.1016/j.nanoen.2016.02.016

      333
      Effect of an Sb-Doped SnO2 Support on the CO-Tolerance of Pt2Ru3 Nanocatalysts for Residential Fuel Cells

      Y. Ogihara, H. Yano, M. Watanabe, A. Iiyama, and H. Uchida
      Catalysts, 6, 139 (2016).
      https://doi.org/10.3390/catal6090139

      332
      Use of a Sub-Gasket and Soft Gas Diffusion Layer to Mitigate Mechanical Degradation of a Hydrocarbon Membrane for Polymer Electrolyte Fuel Cells in Wet-Dry Cycling

      H. Ishikawa, T. Teramoto, Y. Ueyama, Y. Sugawara, Y. Sakiyama, M. Kusakabe, K. Mikyatake, and M. Uchida
      J. Power Sources, 325, 35-41 (2016).
      http://dx.doi.org/10.1016/j.jpowsour.2016.06.012

      331
      Experimental and Theoretical Infrared Spectroscopic Study on Hydrated Nafion Membrane

      R. K. Singh, K. Kunimatsu, K. Miyatake, and T. Tsuneda
      Macromolecules, 49, 6621-6629 (2016).
      https://doi.org/10.1021/acs.macromol.6b00999

      330
      Effect of Surface Ion Conductivity of Anion Exchange Membranes on Fuel Cell Performance

      M. Hara, T. Kimura, T. Nakamura, M. Shimada, H. Ono, S. Shimada, K. Miyatake, M. Uchida, J. Inukai, and M. Watanabe
      Langmuir, 32, 9557-9565 (2016).
      https://doi.org/10.1021/acs.langmuir.6b01747

      329
      Improvement of Cell Performance in Low-Pt-Loading PEFC Cathode Catalyst Layers Prepared by the Electrospray Method

      K. Takahashi, K. Kakinuma, and M. Uchida
      J. Electrochem. Soc., 163, F1182-F1188 (2016).
      https://doi.org/10.1149/2.0611610jes

      328
      A Novel Pt–Co Alloy Hydrogen Anode Catalyst with Superlative Activity, CO-Tolerance and Robustness

      G. Shi, H. Yano, D. A. Tryk, M. Watanabe, A. Iiyama, and H. Uchida
      Nanoscale, 8, 13893-13897 (2016).
      https://doi.org/10.1039/c6nr00778c

      327
      Load Cycle Durability of a Graphitized Carbon Black-Supported Platinum Catalyst in Polymer Electrolyte Fuel Cell Cathodes

      C. Takei, K. Kakinuma, K. Kawashima, K. Tashiro, M. Watanabe, and M. Uchida
      J. Power Sources, 324, 729-737 (2016).
      http://dx.doi.org/10.1016/j.jpowsour.2016.05.117

      326
      Simple, Effective Molecular Strategy for the Design of Fuel Cell Membranes: Combination of Perfluoroalkyl and Sulfonated Phenylene Groups

      T. Mochizuki, M. Uchida, and K. Miyatake
      ACS Energy Lett.,1, 348-352 (2016).
      https://doi.org/10.1021/acsenergylett.6b00198

      325
      Anion Conductive Aromatic Copolymers from Dimenthylaminomethylated Monomers: Synthesis, Properties, and Applications in Alkaline Fuel Cells

      R. Akiyama, N. Yokota, E. Nishino, K. Asazawa, and K. Miyatake
      Macromolecules,49, 4480-4489 (2016).
      https://doi.org/10.1021/acs.macromol.6b00408

      324
      Anion-exchange Membranes Containing Fluorinated Poly(arylene ether)s: Properties and Application in Pt-free Hydrazine Fuel Cell

      E. Nishino, J. Yamada, K. Asazawa, S. Yamaguchi, M. Shimada, J. Miyake, and K. Miyatake
      Chemistry Letters,45, 664-666 (2016).
      https://doi.org/10.1246/cl.160161

      323
      Unprecedented Dependence of the Oxygen Reduction Activity on Co Content at Pt Skin/Pt-Co(111) Single Crystal Electrodes

      M. Wakisaka, S. Kobayashi, S. Morishima, Y. Hyuga, D. A. Tryk, M. Watanabe, A. Iiyama, and H. Uchida
      Electrochem. Commun., 67, 47-50 (2016).
      http://dx.doi.org/10.1016/j.elecom.2016.03.015

      322
      Effects of Carbon Supports on Pt Distribution, Ionomer Coverage and Cathode Performance for Polymer Electrolyte Fuel Cells

      Y.-C. Park, H. Tokiwa, K. Kakinuma, M. Watanabe, and M. Uchida
      J. Power Sources, 315, 179-191 (2016).
      http://dx.doi.org/10.1016/j.jpowsour.2016.02.091

      321
      Durability of Pt Catalysts Supported on Graphitized Carbon-Black during Gas-Exchange Start-Up Operation Similar to That Used for Fuel Cell Vehicles

      Y. Yamashita, S. Itami, J. Takano, M. Kodama, K. Kakinuma, M. Hara, M. Watanabe, and M. Uchida
      J. Electrochem. Soc.,163, F644-F650 (2016).
      https://doi.org/10.1149/2.0771607jes

      320
      Anion Conductive Aromatic Polymers Containing Fluorenyl Groups: Effect of the Position and Number of Ammonium Groups

      M. Shimada, S. Shimada, J. Miyake, M. Uchida, and K. Miyatake
      J. Polym. Sci. A: Polym. Chem., 54, 935-944 (2016).
      https://doi.org/10.1002/pola.27928

      319
      Effect of Ammonium Groups on the Properties of Anion Conductive Membranes Based on Partially Fluorinated Aromatic Polymers

      A. M. A. Mahmoud, A. M. M. Elsaghier, and K. Miyatake
      RSC Adv., 6, 27862-27870 (2016).
      https://doi.org/10.1039/c6ra03256g

      318
      Highly Durable and Active PtCo Alloy/Graphitized Carbon Black Cathode Catalysts by Controlled Deposition of Stabilized Pt Skin Layers

      M. Watanabe, H. Yano, D. A. Tryk, and H. Uchida
      J. Electrochem. Soc., 163, F455-F463 (2016).
      https://doi.org/10.1149/2.0331606jes

      317
      Oxygen Reduction Reaction Activity of Carbon-Supported Pt-Fe, Pt-Co, and Pt-Ni Alloys with Stabilized Pt-Skin Layers

      M. Chiwata, H. Yano, S. Ogawa, M. Watanabe, A. Iiyama, and H. Uchida
      Electrochemistry, 84, 133–137 (2016).
      http://dx.doi.org/10.5796/electrochemistry.84.133

      316
      Effect of Sulfonated Triphenylphosphine Oxide Groups in Aromatic Block Copolymers as Proton-exchange Membranes

      J. Miyake, I. Hosaka, and K. Miyatake
      Chem. Lett., 45, 33-35 (2016).
      https://doi.org/10.1246/cl.150895

    2015

    • 315
      Influence of Pt Loading and Cell Potential on the HF Ohmic Resistance of an Nb-Doped SnO2-Supported Pt Cathode for PEFCs

      Y. Chino, K. Kakinuma, D. A. Tryk, M. Watanabe, and M. Uchida
      J. Electrochem. Soc., 163, F97-F105 (2015).
      https://doi.org/10.1149/2.0571602jes

      314
      Anion Exchange Membranes Composed of Perfluoroalkylene Chains and Ammonium-functionalized Oligophenylenes

      H. Ono, J. Miyake, S. Shimada, M. Uchida, and K. Miyatake
      J. Mater. Chem. A, 43, 21779-21788 (2015).
      https://doi.org/10.1039/c5ta06454f

      313
      Oxygen Reduction Reaction at Binary and Ternary Nanocatalysts Based on Pt, Pd and Au

      S. Lankiang, M. Chiwata, S. Baranton, H. Uchida, and C. Coutanceau
      Electrochim. Acta, 182, 131-142 (2015).
      http://dx.doi.org/10.1016/j.electacta.2015.09.061

      312
      Visualization of Oxygen Partial Pressure and Numerical Simulation of a Running Polymer Electrolyte Fuel Cell with Straight Flow Channels to Elucidate Reaction Distributions

      K. Nagase, H. Motegi, M. Yoneda, Y. Nagumo, T. Suga, M. Uchida, J. Inukai, H. NIshide, and M. Watanabe
      Chem. Electro. Chem., 2, 1495-1501 (2015).
      https://doi.org/10.1002/celc.201402385

      311
      Catalytic Performance of Mesoporous Silica-Covered Nickel Core–Shell Particles for Selective CO Methanation

      K. Hayashi, T. Miyao, K. Higashiyama, S. Deki, Y. Tabira, and M. Watanabe
      Appl. Catal. A: Gen., 506, 143-150 (2015).
      http://dx.doi.org/10.1016/j.apcata.2015.09.003

      310
      Novel Strategy to Mitigate Cathode Catalyst Degradation during Air/Air Startup Cycling via the Atmospheric Resistive Switching Mechanism of a Hydrogen Anode with a Platinum Catalyst Supported on Tantalum-Doped Titanium Dioxide

      H. Shintani, Y. Kojima, K. Kakinuma, M. Watanabe, and M. Uchida
      J. Power Sources, 294, 292-298 (2015).
      http://dx.doi.org/10.1016/j.jpowsour.2015.06.072

      309
      Ladder-Type Aromatic Block Copolymers Containing Sulfonated Triphenylphosphine Oxide Moieties as Proton Conductive Membranes

      Y. Zhang, J. Miyake, R. Akiyama, and K. Miyatake
      Polymer, 77, 152-155 (2015).
      http://dx.doi.org/10.1016/j.polymer.2015.09.034

      308
      Catalytic Activity and Durability of a Mesoporous Silica-Coated Ni-Alumina-Based Catalyst for Selective CO Methanation

      T. Miyao, J. Tanaka, W. Shen, K. Hayashi, K. Higashiyama, and M. Watanabe
      Catalysis Today, 251, 81-87 (2015).
      http://dx.doi.org/10.1016/j.cattod.2014.10.018

      307
      A Proton Conductive Aromatic Block Copolymer Containing Dibenzofuran Moieties

      J. Miyake, M. Saito, R. Akiyama, M. Watanabe, and K. Miyatake
      Chem. Lett., 44, 964-966 (2015).
      https://doi.org/10.1246/cl.150242

      306
      Effect of the Hydrophilic Component in Aromatic Ionomers: Simple Structure Provides Improved Properties as Fuel Cell Membranes

      J. Miyake, T. Mochizuki, and K. Miyatake
      ACS Macro Lett., 4, 750-754 (2015).
      https://doi.org/10.1021/acsmacrolett.5b00385

      305
      Analysis of the Gold/Polymer Electrolyte Membrane Interface by Polarization-Modulated ATR-FTIR Spectroscopy

      K. Kunimatsu, K. Miyatake, S. Deki, H. Uchida, and M. Watanabe
      J. Phys. Chem. C, 119, 16754-16761 (2015).
      https://doi.org/10.1021/acs.jpcc.5b04622

      304
      A Sulfonated Polybenzophenone/Polyimide Copolymer as a Novel Proton Exchange Membrane

      T. Miyahara, J. Miyake, S. Matsuno, M. Watanabe, and K. Miyatake
      RSC Adv., 5, 50082-50086 (2015).
      https://doi.org/10.1039/c5ra05698e

      303
      Oxygen Reduction Reaction Activity and Durability of Pt Catalysts Supported on Titanium Carbide

      M. Chiwata, K. Kakinuma, M. Wakisaka, M. Uchida, S. Deki, M. Watanabe, and H. Uchida
      Catalysts, 5, 966-980 (2015).
      https://doi.org/10.3390/catal5020966

      302
      Effect of Adsorption of Sulfate Anions on the Activities for Oxygen Reduction Reaction on Nafion® -coated Pt/Carbon Black Catalysts at Practical Temperatures

      H. Yano, T. Uematsu, J. Omura, M. Watanabe, and H. Uchida
      J. Electroanal. Chem., 747, 91-96 (2015).
      http://dx.doi.org/10.1016/j.jelechem.2015.04.007

      301
      Effect of Added Graphitized CB on Both Performance and Durability of Pt/Nb-SnO2 Cathodes for PEFCs

      Y. Chino, K. Taniguchi, Y. Senoo, K. Kakinuma, M. Hara, M. Watanabe, and M. Uchida
      J. Electrochem. Soc., 162, F736-F743 (2015).
      https://doi.org/10.1149/2.0651507jes

      300
      Performance of Practical-Sized Membrane-Electrode Assemblies Using Titanium Nitride-Supported Platinum Catalysts Mixed with Acetylene Black as the Cathode Catalyst Layer

      H. Shintani, K. Kakinuma, H. Uchida, M. Watanabe, and M. Uchida
      J. Power Sources, 280, 593-599 (2015).
      http://dx.doi.org/10.1016/j.jpowsour.2015.01.132

      299
      Effects of SiO2 Nanoparticles Incorporated into Poly(arylene ether sulfone ketone) Multiblock Copolymer Electrolyte Membranes on Fuel Cell Performance at Low Humidity

      M. Sakamoto, S. Nohara, K. Miyatake, M. Uchida, M. Watanabe, and H. Uchida
      Electrochemistry, 83, 150-154 (2015).
      http://dx.doi.org/10.5796/electrochemistry.83.150

      298
      Synthesis and Properties of Sulfonated Block Poly(arylene ether)s Containing m-Terphenyl Groups as Proton Conductive Membranes

      J. Miyake, M. Sakai, M. Sakamoto, M. Watanabe, and K. Miyatake
      J. Membr. Sci., 476, 156-161 (2015).
      http://dx.doi.org/10.1016/j.memsci.2014.11.032

      297
      Cathodic Performance and High Potential Durability of Ta-SnO2-δ-Supported Pt Catalysts for PEFC Cathodes

      Y. Senoo, K. Taniguchi, K. Kakinuma, M. Uchida, H. Uchida, S. Deki, and M. Watanabe
      Electrochem. Commun., 51, 37-40 (2015).
      http://dx.doi.org/10.1016/j.elecom.2014.12.005

      296
      Effects of Short-Side-Chain Perfluorosulfonic Acid Ionomers as Binders on the Performance of Low Pt Loading Fuel Cell Cathodes

      Y.-C. Park, K. Kakinuma, H. Uchida, M. Watanabe, and M. Uchida
      J. Power Sources, 275, 384-391 (2015).
      http://dx.doi.org/10.1016/j.jpowsour.2014.10.149

      295
      Real-Time Visualization of Oxygen Partial Pressures in Straight Channels of Running Polymer Electrolyte Fuel Cell with Water Plugging

      K. Nagase, T. Suga, Y. Nagumo, M. Uchida, J. Inukai, H. Nishide, and M. Watanabe
      J. Power Sources, 273, 873-877 (2015).
      http://dx.doi.org/10.1016/j.jpowsour.2014.09.169

      294
      Synthesis and Properties of Sulfonated and Brominated Poly(arylene ether)s as Proton Conductive Membranes

      T. Hoshi, J. Miyake, M. Watanabe, and K. Miyatake
      Bull. Chem. Soc. Jpn., 88, 183-191 (2015).
      https://doi.org/10.1246/bcsj.20140237

      293
      Preparation and Catalytic Activity of a Mesoporous Silica-Coated Ni-Alumina-Based Catalyst for Selective CO Methanation

      T. Miyao, S. Sakurabayashi, W. Shen, K. Higashiyama, and M. Watanabe
      Catal. Commun., 58, 93-96 (2015).
      http://dx.doi.org/10.1016/j.catcom.2014.09.005

    2014

    • 292
      Electrochemical Oxidation of Hydrolyzed Poly Oxymethylene-dimethyl Ether by PtRu Catalysts on Nb-Doped SnO2−δ Supports for Direct Oxidation Fuel Cells

      K. Kakinuma, I.-T. Kim, Y. Senoo, H. Yano, M. Watanabe, and M. Uchida
      ACS Appl. Mater. Interfaces, 6, 22138-22145 (2014).
      http://dx.doi.org/10.1021/am505553b

      291
      Oxygen Partial Pressures on Gas-Diffusion Layer Surface and Gas-Flow Channel Wall in Polymer Electrolyte Fuel Cell during Power Generation Studied by Visualization Technique Combined with Numerical Simulation

      Y. Ishigami, W. Waskitoaji, M. Yoneda, K. Takada, T. Hyakutake, T. Suga, M. Uchida, Y. Nagumo, J. Inukai, H. Nishide, and M. Watanabe
      J. Power Sources, 269, 556-564 (2014).
      http://dx.doi.org/10.1016/j.jpowsour.2014.07.017

      290
      Aromatic Copolymers Containing Ammonium-Functionalized Oligophenylene Moieties as Highly Anion Conductive Membranes

      N. Yokota, M. Shimada, H. Ono, R. Akiyama, E. Nishino, K. Asazawa, J. Miyake, M. Watanabe, and K. Miyatake
      Macromolecules, 47, 8238-8246 (2014).
      http://dx.doi.org/10.1021/ma5019878

      289
      Carbon Segregation-Induced Highly Metallic Ni Nanoparticles for Electrocatalytic Oxidation of Hydrazine in Alkaline Media

      T.-Y. Jeon, M. Watanabe, and K. Miyatake
      ACS Appl. Mater. Interfaces, 6, 18445-18449 (2014).
      http://dx.doi.org/10.1021/am5058635

      288
      Effects of Hot Liquid-Water Treatment on Local Proton Conductivity at Surfaces of Sulfonated Poly(arylene ketone) Block Copolymer Membrane for Fuel Cells Studied by Current-Sensing Atomic Force Microscopy

      M. Hara, M. Hara, K. Miyatake, J. Inukai, and M. Watanabe
      Electrochim. Acta, 143, 383-389 (2014).
      http://dx.doi.org/10.1016/j.electacta.2014.08.031

      287
      Ammonium-functionalized Poly(arylene ether)s as Anion-Exchange Membranes

      J. Miyake, M. Watanabe, and K. Miyatake
      Polym. J., 46, 656-663 (2014).
      https://doi.org/10.1038/pj.2014.56

      286
      Anion Conductive Aromatic Block Copolymers Containing Diphenyl Ether or Sulfide Groups for Application to Alkaline Fuel Cells

      N. Yokota, H. Ono, J. Miyake, E. Nishino, K. Asazawa, M. Watanabe, and K. Miyatake
      ACS Appl. Mater. Interfaces, 6, 17044-17052 (2014).
      http://dx.doi.org/10.1021/am5046586

      285
      Mechanistic Study of the Effect of Chlorine on Selective CO Methanation over Ni Alumina-Based Catalysts

      T. Miyao, W. Shen, A. Chen, K. Higashiyama, and M. Watanabe
      Appl. Catal. A: General, 486, 187-192 (2014).
      http://dx.doi.org/10.1016/j.apcata.2014.08.025

      284
      Double-Layer Ionomer Membrane for Improving Fuel Cell Performance

      T. Mochizuki, M. Uchida, H. Uchida, M. Watanabe, and K. Miyatake
      ACS Appl. Mater. Interfaces, 6, 13894-13899 (2014).
      http://dx.doi.org/10.1021/am503295y

      283
      High Catalytic Performance of Mesoporous Zirconia Supported Nickel Catalysts for Selective CO Methanation

      A. Chen, T. Miyao, K. Higashiyama, and M. Watanabe
      Catal. Sci. Technol., 4, 2508-2511 (2014).
      https://doi.org/10.1039/c4cy00461b

      282
      Effects of Incorporation of SiO2 Nanoparticles into Sulfonated Polyimide Electrolyte Membranes on Fuel Cell Performance under Low Humidity Conditions

      M. Sakamoto, S. Nohara, K. Miyatake, M. Uchida, M. Watanabe, and H. Uchida
      Electrochim. Acta, 137, 213-218 (2014).
      http://dx.doi.org/10.1016/j.electacta.2014.05.159

      281
      Theoretical Investigation of Local Proton Conductance in the Proton Exchange Membranes

      R. K. Singh, T. Tsuneda, K. Miyatake, and M. Watanabe
      Chem. Phys. Lett., 608, 11-16 (2014).
      http://dx.doi.org/10.1016/j.cplett.2014.05.076

      280
      Improvements in Electrical and Electrochemical Properties of Nb-Doped SnO2-δ Supports for Fuel Cell Cathodes Due to Aggregation and Pt Loading

      Y. Senoo, K. Kakinuma, M. Uchida, H. Uchida, S. Deki, and M. Watanabe
      RSC Adv., 4, 32180-32188 (2014).
      https://doi.org/10.1039/c4ra03988b

      279
      Intrapolymer Heck Reaction for Proton Conductive Ladder-type Aromatic Block Copolymers

      J. Miyake, M. Watanabe, and K. Miyatake
      RSC Adv., 4, 21049-21053 (2014).
      https://doi.org/10.1039/c4ra02582b

      278
      Proton Conductive Areas on Sulfonated Poly(arylene ketone) Multiblock Copolymer Electrolyte Membrane Studied by Current-Sensing Atomic Force Microscopy

      M. Hara, T. Miyahara, T. Hoshi, J. Ma, M. Hara, K. Miyatake, J. Inukai, N. Alonso-Vante, and M. Watanabe
      Electrochemistry, 82, 369-375 (2014).
      http://dx.doi.org/10.5796/electrochemistry.82.369

      277
      High-Performance Electrodes for Reversible Solid Oxide Fuel Cell/Solid Oxide Electrolysis Cell: Ni–Co Dispersed Ceria Hydrogen Electrodes

      R. Nishida, P. Puengjinda, H. Nishino, K. Kakinuma, M. E. Brito, M. Watanabe, and H. Uchida
      RSC Adv., 4, 16260-16266 (2014).
      https://doi.org/10.1039/c3ra47089j

      276
      Reversible/Irreversible Increase in Proton-Conductive Areas on Proton-Exchange-Membrane Surface by Applying Voltage Using Current-Sensing Atomic Force Microscope

      M. Hara, D. Hattori, J. Inukai, M. Hara, K. Miyatake, and M. Watanabe
      J. Electroanal. Chem., 716, 158-163 (2014).
      http://dx.doi.org/10.1016/j.jelechem.2013.11.035

      275
      Temperature- and Humidity-Controlled SAXS Analysis of Proton-Conductive Ionomer Membranes for Fuel Cells

      T. Mochizuki, K. Kakinuma, M. Uchida, S. Deki, M. Watanabe, and K. Miyatake
      Chem. Sus. Chem., 7, 729-733 (2014).
      https://doi.org/10.1002/cssc.201301322

      274
      Deleterious Effects of Interim Cyclic Voltammetry on Pt/Carbon Black Catalyst Degradation during Start-up/Shutdown Cycling Evaluation

      Y.-C. Park, K. Kakinuma, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 123, 84-92 (2014).
      http://dx.doi.org/10.1016/j.electacta.2013.12.120

      273
      Investigation of the Effect of a Hydrophilic Layer in the Gas Diffusion Layer of a Polymer Electrolyte Membrane Fuel Cell on the Cell Performance and Cold Start Behaviour

      S. Hirakata, M. Hara, K. Kakinuma, M. Uchida, D. A. Tryk, H. Uchida, and M. Watanabe
      Electrochim. Acta, 120, 240-247 (2014).
      http://dx.doi.org/10.1016/j.electacta.2013.12.050

      272
      Effect of Ammonium Groups on the Properties and Alkaline Stability of Poly(arylene ether)-Based Anion Exchange Membranes

      J. Miyake, K. Fukasawa, M. Watanabe, and K. Miyatake
      J. Polym. Sci. A: Polym. Chem., 52, 383-389 (2014).
      https://doi.org/10.1002/pola.27011

      271
      Electrochemical Quartz Crystal Microbalance Analysis of the Oxygen Reduction Reaction on Pt-Based Electrodes. Part 2: Adsorption of Oxygen Species and ClO4 Anions on Pt and Pt-Co Alloy in HClO4 Solutions

      J. Omura, H. Yano, D. A. Tryk, M. Watanabe, and H. Uchida
      Langmuir, 30, 432-439 (2014).
      http://dx.doi.org/10.1021/la404188p

    2013

    • 270
      Characterization of Pt Catalysts on Nb-Doped and Sb-Doped SnO2-δ Support Materials with Aggregated Structure by Rotating Disk Electrode and Fuel Cell Measurements

      K. Kakinuma, Y. Chino, Y. Senoo, M. Uchida, T. Kamino, H. Uchida, S. Deki, and M. Watanabe
      Electrochim. Acta, 110, 316-324 (2013).
      http://dx.doi.org/10.1016/j.electacta.2013.06.127

      269
      Proton Conductive Aromatic Block Copolymers from a New Bistriazole Monomer

      R. Akiyama, D. Hirayama, M. Saito, J. Miyake, M. Watanabe, and K. Miyatake
      RSC Adv., 3, 20202-20208 (2013).
      https://doi.org/10.1039/c3ra42160k

      268
      Hydrolyzed Polyoxymethylenedimethylethers as Liquid Fuels for Direct Oxidation Fuel Cells

      S. Baranton, H. Uchida, D. A. Tryk, J. L. Dubois, and M. Watanabe
      Electrochim. Acta, 108, 350-355 (2013).
      http://dx.doi.org/10.1016/j.electacta.2013.06.138

      267
      Investigation of the Effect of Pore Diameter of Gas Diffusion Layers on Cold Start Behavior and Cell Performance of Polymer Electrolyte Membrane Fuel Cells

      S. Hirakata, T. Mochizuki, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 108, 304-312 (2013).
      http://dx.doi.org/10.1016/j.electacta.2013.06.150

      266
      Correlation between Surface Chemical Composition with Catalytic Activity and Selectivity of Organic-Solvent Synthesized Pt–Ti Nanoparticles

      J. Ma, A. Habrioux, T. Miyao, K. Kakinuma, J. Inukai, M. Watanabe, and N. A.-Vante
      J. Mater. Chem. A, 1, 8798-8804 (2013).
      https://doi.org/10.1039/c3ta11499f

      265
      Sulfonated Poly(arylene ether phosphine oxide ketone) Block Copolymers as Oxidatively Stable Proton Conductive Membranes

      J. Miyake, M. Watanabe, and K. Miyatake
      ACS Appl. Mater. Interfaces, 5, 5903-5907 (2013).
      http://dx.doi.org/10.1021/am401625j

      264
      Effect of the State of Distribution of Supported Pt Nanoparticles on Effective Pt Utilization in Polymer Electrolyte Fuel Cells

      M. Uchida, Y.-C. Park, K. Kakinuma, H. Yano, D. A. Tryk, T. Kamino, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 15, 11236-11247 (2013).
      https://doi.org/10.1039/c3cp51801a

      263
      Structural Variations of CO Adlayers on a Pt(100) Electrode in 0.1 M HClO4 Solution: an in Situ STM Study

      M. Wakisaka, T. Yoneyama, S. Ashizawa, Y. Hyuga, T. Ohkanda, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 15, 11038–11047 (2011).
      https://doi.org/10.1039/c3cp51178b

      262
      Synthesis and Properties of Partially Fluorinated Poly(arylene ether) Block Copolymers Containing Ammonium Groups as Anion Conductive Membranes

      H. Ono, J. Miyake, B. Bae, M. Watanabe, and K. Miyatake
      Bull. Chem. Soc. Jpn., 86, 663-670 (2013).
      https://doi.org/10.1246/bcsj.20130017

      261
      Imaging Individual Proton-Conducting Spots on Sulfonated Multiblock-Copolymer Membrane under Controlled Hydrogen Atmosphere by Current-Sensing Atomic Force Microscopy

      M. Hara, D. Hattori, J. Inukai, B. Bae, T. Hoshi, M. Hara, K. Miyatake, and M. Watanabe
      J. Phys. Chem. B, 117, 3892-3899 (2013).
      http://dx.doi.org/10.1021/jp312041c

      260
      High Durability of Pt/Graphitized Carbon Catalysts for Polymer Electrolyte Fuel Cells Prepared by the Nanocapsule Method

      H. Yano, T. Akiyama, M. Watanabe, and H. Uchida
      J. Electroanal. Chem., 688, 137-142 (2013).
      http://dx.doi.org/10.1016/j.jelechem.2012.09.028

      259
      Direct STM Elucidation of the Effects of Atomic-Level Structure on Pt(111) Electrodes for Dissolved CO Oxidation

      J. Inukai, D. A. Tryk, T. Abe, M. Wakisaka, H. Uchida, and M. Watanabe
      J. Am. Chem. Soc., 135, 1476-1490 (2013).
      http://dx.doi.org/10.1021/ja309886p

      258
      ATR-FTIR Analysis of the State of Water in a Sulfonated Block Poly(arylene ether sulfone ketone) Membrane and Proton Conductivity Measurement during the Hydration/Dehydration Cycle

      K. Kunimatsu, K. Yagi, B. Bae, K. Miyatake, H. Uchida, and M. Watanabe
      J. Phys. Chem. C, 117, 3762-3771 (2013).
      http://dx.doi.org/10.1021/jp310258u

      257
      Investigation of the Corrosion of Carbon Supports in Polymer Electrolyte Fuel Cells Using Simulated Start-up/Shutdown Cycling

      Y.-C. Park, K. Kakinuma, M. Uchida, D. A. Tryk, T. Kamino, H. Uchida, and M. Watanabe
      Electrochim. Acta, 91, 195-207 (2013).
      http://dx.doi.org/10.1016/j.electacta.2012.12.082

      256
      Experimental Analyses of Low Humidity Operation Properties of SiO2-Containing Catalyst Layers for Polymer Electrolyte Fuel Cells

      N. Inoue, M. Uchida, M. Watanabe, and H. Uchida
      Electrochim. Acta, 88, 807-813 (2013).
      http://dx.doi.org/10.1016/j.electacta.2012.10.134

    2012

    • 255
      Overview of Recent Developments in Oxygen Reduction Electrocatalysis

      M. Watanabe, D. A. Tryk, M. Wakisaka, H. Yano, and H. Uchida
      Electrochim. Acta, 84, 187-201 (2012).
      http://dx.doi.org/10.1016/j.electacta.2012.04.035

      254
      Temperature Dependence of Oxygen Reduction Reaction Activity at Stabilized Pt Skin-PtCo Alloy/Graphitized Carbon Black Catalysts Prepared by a Modified Nanocapsule Method

      K. Okaya, H. Yano, K. Kakinuma, M. Watanabe, and H. Uchida
      ACS Appl. Mater. Interfaces, 4, 6982-6991 (2012).
      http://dx.doi.org/10.1021/am302224n

      253
      Effect of Platinum Loading on Fuel Cell Cathode Performance Using Hydrocarbon Ionomers as Binder

      T. Omata, M. Uchida, H. Uchida, M. Watanabe, and K. Miyatake
      Phys. Chem. Chem. Phys., 14, 16713-16718 (2012).
      https://doi.org/10.1039/c2cp42997g

      252
      In Situ ATR-FTIR Analysis of the Structure of Nafion-Pt/C and Nafion-Pt3Co/C Interfaces in Fuel Cell

      H. Hanawa, K. Kunimatsu, M. Watanabe, and H. Uchida
      J. Phys. Chem. C, 116, 21401-21406 (2012).
      http://dx.doi.org/10.1021/jp306955q

      251
      Micro-Raman Study on Water Distribution Inside a Nafion Membrane during Operation of Polymer Electrolyte Fuel Cell

      M. Hara, J. Inukai, B. Bae, T. Hoshi, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 82, 277-283 (2012).
      http://dx.doi.org/10.1016/j.electacta.2012.04.099

      250
      Durability of an Aromatic Block Copolymer Membrane in Practical PEFC Operation

      T. Okanishi, T. Yoda, Y. Sakiyama, T. Miyahara, K. Miyatake, M. Uchida, and M. Watanabe
      Electrochem. Commun., 24, 47-49 (2012).
      https://doi.org/10.1016/j.elecom.2012.08.010

      249
      Complete NMR Assignment of a Sulfonated Aromatic Block Copolymer via Heteronuclear Single-quantum Correlation, Heteronuclear Multiple-bond Correlation and Heteronuclear Single-quantum Correlation Total Correlation Spectroscopy

      M. Takasaki, K. Kimura, Y. Nakagawa, N. Sato, B. Bae, K. Miyatake, and M. Watanabe
      Polym. J., 44, 845-849 (2012).
      https://doi.org/10.1038/pj.2012.125

      248
      Synthesis of Superacid-modified Poly(arylene ether sulfone)s via Post-bromination

      T. Shimura, M. Watanabe, and K. Miyatake
      RSC Adv., 2, 5199-5204 (2012).
      https://doi.org/10.1039/c2ra20444d

      247
      Block Poly(arylene ether sulfone ketone)s Containing Densely Sulfonated Linear Hydrophilic Segments as Proton Conductive Membranes

      K. Miyatake, D. Hirayama, B. Bae, and M. Watanabe
      Polym. Chem., 3, 2517-2522 (2012).
      https://doi.org/10.1039/c2py20318a

      246
      Sulfonated Polybenzophenone/Poly(arylene ether) Block Copolymer Membranes for Fuel Cell Applications

      T. Miyahara, T. Hayano, S. Matsuno, M. Watanabe, and K. Miyatake
      ACS Appl. Mater. Interfaces, 4, 2881-2884 (2012).
      http://dx.doi.org/10.1021/am300821v

      245
      Preparation of Titanium Nitride-supported Platinum Catalysts with Well Controlled Morphology and Their Properties Relevant to Polymer Electrolyte Fuel Cells

      K. Kakinuma, Y. Wakasugi, M. Uchida, T. Kamino, H. Uchida, S. Deki, and M. Watanabe
      Electrochim. Acta, 77, 279-284 (2012).
      http://dx.doi.org/10.1016/j.electacta.2012.06.001

      244
      Real-Time Visualization of CO2 Generated by Corrosion of the Carbon Support in a PEFC Cathode

      Y. Ishigami, I. Maeda, K. Takada, T. Hyakutake, T. Suga, J. Inukai, M. Uchida, Y. Nagumo, H. Nishide, and M. Watanabe
      Electrochem. Solid-State Lett., 15, B51-B53 (2012).
      https://doi.org/10.1149/2.018204esl

      243
      Electrochemical and Raman Spectroscopic Evaluation of Pt/Graphitized Carbon Black Catalyst Durability for the Start/Stop Operating Condition of Polymer Electrolyte Fuel Cells

      M. Hara, M. Lee, C.-H. Liu, B. Chen, Y. Yamashita, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 70, 171-181 (2012).
      https://doi.org/10.1016/j.electacta.2012.03.043

      242
      Synthesis and Properties of Sulfonated Poly(arylene ether) Block Copolymers as Proton Conductive Membranes

      T. Hoshi, B. Bae, M. Watanabe, and K. Miyatake
      Bull. Chem. Soc. Jpn., 85, 389-396 (2012).
      https://doi.org/10.1246/bcsj.20110305

      241
      Electrochemical Behavior of Pt-Co(111), (100) and (110) Alloy Single-crystal Electrodes in 0.1 M HClO4 and 0.05 M H2SO4 Solution as a Function of Co Content

      M. Wakisaka, S. Morishima, Y. Hyuga, H. Uchida, and M. Watanabe
      Electrochem. Commun., 18, 55-57 (2012).
      https://doi.org/10.1016/j.elecom.2012.02.008

      240
      Effect of Particle Size and Composition on CO-Tolerance at Pt-Ru/C Catalysts Analyzed by In Situ Attenuated Total Reflection FTIR Spectroscopy

      T. Sato, K. Okaya, K. Kunimatsu, H. Yano, M. Watanabe, and H. Uchida
      ACS Catal., 2, 450-455 (2012).
      http://dx.doi.org/10.1021/cs200550t

      239
      Durability of Sulfonated Polyimide Membrane in Humidity Cycling for Fuel Cell Applications

      K. Miyatake, H. Furuya, M. Tanaka, and M. Watanabe
      J. Power Sources, 204, 74-78 (2012).
      https://doi.org/10.1016/j.jpowsour.2011.12.039

      238
      SiO2-Containing Catalyst Layers for PEFCs Operating under Low Humidity

      N. Inoue, M. Uchida, M. Watanabe, and H. Uchida
      Electrochem. Commun., 16, 100-102 (2012).
      https://doi.org/10.1016/j.elecom.2011.12.009

    2011

    • 237
      Preparation and Fuel Cell Performance of Catalyst Layers Using Sulfonated Polyimide Ionomers

      T. Omata, M. Tanaka, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
      ACS Appl. Mater. Interfaces, 4, 730-737 (2011).

      236
      Effect of PEFC Operating Conditions on the Durability of Sulfonated Polyimide Membranes

      T. Okanishi, Y. Tsuji, Y. Sakiyama, S. Matsuno, B. Bae, K. Miyatake, M. Uchida, and M. Watanabe
      Electrochim. Acta, 58, 589-598 (2011).

      235
      Temperature Dependence of the Water Distribution Inside a Nafion Membrane in an Operating Polymer Electrolyte Fuel Cell. A Micro-Raman Study

      M. Hara, J. Inukai, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 58, 449-455 (2011).

      234
      Electrochemical Quartz Crystal Microbalance Analysis of the CO Oxidation Reaction at Pt Alloy Electrodes

      I. Kanezashi, S. Nohara, J. Omura, M. Watanabe, and H. Uchida
      J. Electroanal. Chem., 662, 123-129 (2011).

      233
      Effect of PEFC Operating Conditions on the Durability of Sulfonated Poly(arylene ether sulfone ketone) Multiblock Membranes

      T. Okanishi, Y. Tsuji, Y. Sakiyama, S. Matsuno, B. Bae, K. Miyatake, M. Uchida, and M. Watanabe
      Electrochim. Acta, 56, 8989-8996 (2011).

      232
      Synthesis and Properties of Sulfonated Poly(arylene ether)s Containing Azole Groups

      B. Bae, S. Kawamura, K. Miyatake, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 49, 3863-3873 (2011).

      231
      Fluorene-Containing Cardo Polymers as Ion Conductive Membranes for Fuel Cells

      K. Miyatake, B. Bae, and M. Watanabe
      Polym. Chem., 2, 1919-1929 (2011).

      230
      Polyimide Ionomer Containing Superacid Groups

      J. Saito, M. Tanaka, M. Hirai, M. Nanasawa, K. Miyatake, and M. Watanabe
      Polym. Adv. Technol., 22, 1305-1310 (2011).

      229
      Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Blocks. Long-Term Fuel Cell Operation and Post-Test Analyses

      B. Bae, K. Miyatake, M. Uchida, H. Uchida, Y. Sakiyama, T. Okanishi, and M. Watanabe
      ACS Appl. Mater. Interfaces, 3, 2786-2793 (2011).

      228
      Polybenzimidazole Block Sulfonated Poly(arylene ether sulfone) Ionomers

      F. Ng, B. Bae, K. Miyatake, and M. Watanabe
      Chem. Commun., 47, 8895-8897 (2011).

      227
      Anion Conductive Block Poly(arylene ether)s: Synthesis, Properties, and Application in Alkaline Fuel Cells

      M. Tanaka, K. Fukasawa, E. Nishino, S. Yamaguchi, K. Yamada, H. Tanaka, B. Bae, K. Miyatake, and M. Watanabe
      J. Am. Chem. Soc., 133, 10646-10654 (2011).

      226
      Sulfonated Block Poly(arylene ether sulfone) Membranes for Fule Cell Applications via Oligomeric Sulfonation

      B. Bae, T. Hoshi, K. Miyatake, and M. Watanabe
      Macromolecules, 44, 3884-3892 (2011).

      225
      Adsorption and Oxidation of Carbon Monoxide on Pt/C, Pt3Co/C, and PtRu/C Catalysts Studied by In-Situ Attenuated Total Reflection Fourier-Transform Infrared

      T. Sato, K. Kunimatsu, M. Watanabe, and H. Uchida
      J. Nanosci. Nanotechnol., 11, 5123-5130 (2011).

      224
      Electrochemical Activity and Durability of Platinum Catalysts Supported on Nanometer-Size Titanium Nitride Particles for Polymer Electrolyte Fuel Cells

      K. Kakinuma, Y. Wakasugi, M. Uchida, T. Kamino, H. Uchida, and M. Watanabe
      Electrochemistry, 79, 399-403 (2011).

      223
      Imaging of Water Droplets Formed during PEFC Operation on GDLs with Different Pore Sizes

      K. Takada, Y. Ishigami, S. Hirakata, M. Uchida, Y. Nagumo, J. Inukai, H. Nishide, and M. Watanabe
      Electrochemistry, 79, 388-391 (2011).

      222
      Durability of Pt/Graphitized Carbon Catalyst Prepared by the Nanocapsule Method for the Start/Stop Operating Condition of Polymer Electrolyte Fuel Cells

      M. Lee, M. Uchida, K. Okaya, H. Uchida, and M. Watanabe
      Electrochemistry, 79, 381-387 (2011).

      221
      Electrocatalysis of the Oxygen Reduction Reaction at Pt and Pt-Alloys

      H. Uchida, H. Yano, M. Wakisaka, and M. Watanabe
      Electrochemistry, 79, 303-311 (2011).

      220
      Electrochemical Quartz Crystal Microbalance Analysis of the Oxygen Reduction Reaction on Pt-Based Electrodes. Part 1: Effect of Adsorbed Anions on the Oxygen Reduction Activities of Pt in HF, HClO4, and H2SO4 Solutions

      J. Omura, H. Yano, M. Watanabe, and H. Uchida
      Langmuir, 27, 6464-6470 (2011).

      219
      The Effectiveness of Platinum/Carbon Electrocatalysts: Dependence on Catalyst Layer Thickness and Pt Alloy Catalytic Effects

      M. Lee, M. Uchida, D. A. Tryk, H. Uchida, and M. Watanabe
      Electrochim. Acta, 56, 4783-4790 (2011).

      218
      Structural Effects on the Surface Oxidation Processes at Pt Single-Crystal Electrodes Studied by X-ray Photoelectron Spectroscopy

      M. Wakisaka, Y. Udagawa, H. Suzuki, H. Uchida, and M. Watanabe
      Energy Environ. Sci., 4, 1662-1666 (2011).

      217
      ATR-FTIR Study of Water in Nafion Membrane Combined with Proton Conductivity Measurements during Hydration/Dehydration Cycle

      K. Kunimatsu, B. Bae, K. Miyatake, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 115, 4315-4321 (2011).

      216
      Preparation of a Mesoporous Ceria-Zirconia Supported Ni-Fe Catalyst for the High Temperature Water-Gas Shift Reaction

      K. Watanabe, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      Catal. Commun., 12, 976-979 (2011).

      215
      Corrosion of Carbon Supports at Cathode during Hydrogen/Air Replacement at Anode Studied by Visualization of Oxygen Partial Pressures in a PEFC-Start-up/Shut-down Simulation

      Y. Ishigami, K. Takada, H. Yano, J. Inukai, M. Uchida, Y. Nagumo, T. Hyakutake, H. Nishide, and M. Watanabe
      J. Power Sources, 196, 3003-3008 (2011).

      214
      Simultaneous Visualization of Oxygen Distribution and Water Blockages in an Operating Triple-Serpentine Polymer Electrolyte Fuel Cell

      K. Takada, Y. Ishigami, J. Inukai, Y. Nagumo, H. Takano, H. Nishide, and M. Watanabe
      J. Power Sources, 196, 2635-2639 (2011).

      213
      Compact Fuel Processor by Employing Monolithic Catalyst for 1kW Class Residential Polymer Electrolyte Fuel Cells

      S. Komori, M. Kimura, K. Watanabe, T. Takazoe, T. Naoi, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      J. Jpn. Petrol. Inst., 54, 52-55 (2011).

      212
      Metal-monolithic Catalyst for Selective CO Methanation

      S. Komori, A. Chan, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      J. Jpn. Petrol. Inst., 54, 50-51 (2011).

      211
      Synthesis and Electrochemical Characterization of Pt Catalyst Supported on Sn0.96Sb0.04O2−δ with a Network Structure

      K. Kakinuma, M. Uchida, T. Kamino, H. Uchida, and M. Watanabe
      Electrochim. Acta, 56, 2881-2887 (2011).

      210
      Facile Preparation and Electrochemical Behavior of Pt100-XCoX(111) Single-Crystal Electrodes in 0.1 M HClO4

      M. Wakisaka, Y. Hyuga, K. Abe, H. Uchida, and M. Watanabe
      Electrochem. Commun., 13, 317-320 (2011).

      209
      Luminescent Sensory Polymer Coating Composed of Platinumporphyrin and Poly(trimethylsilylpropyne) for Real-Time Oxygen Visualization in Operating PEFCs

      T. Hyakutake, Y. Ishigami, J. Kato, J. Inukai, K. Miyatake, H. Nishide, and M. Watanabe
      Macromol. Chem. Phys., 212, 42-47 (2011).

      208
      In Situ ATR-FTIR Analysis of the CO-Tolerance Mechanism on Pt2Ru3/C Catalysts Prepared by the Nanocapsule Method

      T. Sato, K. Kunimatsu, K. Okaya, H. Yano, M. Watanabe, and H. Uchida
      Energy Environ. Sci., 4, 433-438 (2011).

      207
      Ni-Fe-Ce Mixed Nano-Composites Oxide Catalyst Prepared by Solution-spray Plasma Technique for High Temperature Water-gas-shift Reaction

      K. Watanabe, S. Komori, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      J. Jpn. Petrol. Inst., 53, 367-368 (2011).

      206
      Electro-oxidation of Hydrolysed Poly-Oxymethylene-Dimethylether on PtRu Supported Catalysts

      D. Devaux, H. Yano, H. Uchida, J. -L. Dubois, and M. Watanabe
      Electrochim. Acta, 56, 1460-1465 (2011).

      205
      Synthesis and Properties of Multiblock Copoly(arylene ether)s Containing Superacid Groups for Fuel Cell Membranes

      T. Mikami, K. Miyatake, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 49, 452-464 (2011).

      204
      Synthesis and Properties of Anion Conductive Ionomers Containing Fluorenyl Groups for Alkaline Fuel Cell Applications

      M. Tanaka, M. Koike, K. Miyatake, and M. Watanabe
      Polym. Chem., 2, 99-106 (2011).

    2010

    • 203
      High Catalytic Performance of Ruthenium-Doped Mesoporous Nickel-Aluminum Oxides for Selective CO Methanation

      A. Chen, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      Angew. Chem. Int. Ed., 49, 9895-9898 (2010).

      202
      Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Block. Fuel Cell Performance

      B. Bae, T. Yoda, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 114, 10481-10487 (2010).

      201
      New Evaluation Method for the Effectiveness of Platinum/Carbon Electrocatalysts under Operating Conditions

      M. Lee, M. Uchida, H. Yano, D. A. Tryk, H. Uchida, and M. Watanabe
      Electrochim. Acta, 55, 8504-8512 (2010).

      200
      Temperature Dependence of Oxygen Reduction Activity at Nafion-Coated Pt/Graphitized Carbon Black Catalysts Prepared by the Nanocapsule Method

      H. Yano, T. Akiyama, H. Uchida, and M. Watanabe
      Energy Environ. Sci., 3, 1511-1514 (2010).

      199
      Pt-Porpholactone- and -Porphyrin-Based Luminescent Sensory Polymer Coating for Visualization of Oxygen Pressure Distribution on Biplanar Surface

      W. Waskitoaji, T. Hyakutake, M. Watanabe, and H. Nishide
      Reactive & Functional Polymers, 70, 669-673 (2010).

      198
      Poly(arylene ether)s Containing Superacid Groups as Proton Exchange Membranes

      T. Mikami, K. Miyatake, and M. Watanabe
      ACS Appl. Mater. Interfaces, 2, 1714-1721 (2010).

      197
      Synthesis, Properties, and Fuel Cell Performance of Perfluorosulfonated Poly(arylene ether)s

      T. Shimura, K. Miyatake, and M. Watanabe
      Bull. Chem. Soc. Jpn., 83, 960-968 (2010).

      196
      Proton Conductive Polyimide Ionomer Membranes: Effect of NH, OH, and COOH Groups

      J. Saito, M. Tanaka, K. Miyatake, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 48, 2846-2854 (2010).

      195
      In Situ STM Observation of the CO Adlayer on a Pt(110) Electrode in 0.1 M HClO4 Solution

      M. Wakisaka, S. Asizawa, T. Yoneyama, H. Uchida, and M. Watanabe
      Langmuir, 26, 9191-9194 (2010).

      194
      Selective Methanation of CO in Hydrogen-Rich Gases Involving Large Amounts of CO2 over Ru-Modified Ni-Al Mixed Oxide Catalysts

      M. Kimura, T. Miyao, S. Komori, A. Chen, K. Higashiyama, H. Yamashita, and M. Watanabe
      Applied Catalysis A: General, 379, 182-187 (2010).

      193
      TEM of Monodisperse Pt2Ru3/CB Catalysts Synthesized by the Nanocapsule Method

      P. Bele, H. Uchida, K. Okaya, H. Yano, U. Stimming, and M. Watanabe
      Microscopy and Analysis, 24, 5-7 (2010).

      192
      In Situ STM Observation of Morphological Changes of the Pt(111) Electrode Surface during Potential Cycling in 10 mM HF Solution

      M. Wakisaka, S. Asizawa, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 12, 4184-4190 (2010).

      191
      Durability of Pt/Graphitized Carbon Catalysts for the Oxygen Reduction Reaction Prepared by the Nanocapsule Method

      H. Yano, T. Akiyama, P. Bele, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 12, 3806-3814 (2010).

      190
      Control of Particle Size of Pt and Pt Alloy Electrocatalysts Supported on Carbon Black by the Nanocapsule Method

      K. Okaya, H. Yano, H. Uchida, and M. Watanabe
      ACS Appl. Mater. Interfaces, 2, 888-895 (2010).

      189
      Sulfonated Poly(arylene ether sulfone ketone) Multiblock Copolymers with Highly Sulfonated Block. Synthesis and Properties

      B. Bae, K. Miyatake, and M. Watanabe
      Macromolecules, 43, 2684-2691 (2010).

      188
      Anion Conductive Aromatic Ionomers Containing Fluorenyl Groups

      M. Tanaka, M. Koike, K. Miyatake, and M. Watanabe
      Macromolecules, 43, 2657-2659 (2010).

      187
      Gas Diffusion Electrodes Containing Sulfonated Poly(arylene ether) Ionomer for PEFCs Part 2. Improvement of the Cathode Performance

      T. Yoda, T. Shimura, B. Bae, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 55, 3464-3470 (2010).

      186
      Proton-Conductive Aromatic Ionomers Containing Highly Sulfonated Blocks for High-Temperature-Operable Fuel Cells

      B. Bae, T. Yoda, K. Miyatake, H. Uchida, and M. Watanabe
      Angew. Chem. Int. Ed., 49, 317-320 (2010).

      185
      In-situ ATR-FTIR Study of Oxygen Reduction at the Pt/Nafion Interface

      K. Kunimatsu, T. Yoda, D. A. Tryk, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 12, 621-629 (2010).

    2009

    • 184
      High Temperature Water-Gas Shift Reaction over Hollow Ni-Fe-Al Oxide Nano-Composite Catalysts Prepared by the Solution-Spray Plasma Technique

      K. Watanabe, T. Miyao, K. Higashiyama, H. Yamashita, and M. Watanabe
      Catal. Commun., 10, 1952-1955 (2009).

      183
      Biplanar Visualization of Oxygen Pressure by Sensory Coatings of Luminescent Pt-Porpholactone and -Porphyrin Polymers

      W. Waskitoaji, T. Hyakutake, J. Kato, M. Watanabe, and H. Nishide
      Chem. Lett., 38, 1121-1206 (2009).

      182
      H2O-Tolerant Monolithic Catalysts for Preferential Oxidation of Carbon Monoxide in the Presence of Hydrogen

      N. Maeda, T. Matsushima, M. Kotobuki, T. Miyao, H. Uchida, H. Yamashita, and M. Watanabe
      Appl. Catal. A: Gen., 370, 50-53 (2009).

      181
      Aromatic Ionomers with Superacid Groups

      K. Miyatake, T. Shimura, T. Mikami, and M. Watanabe
      Chem. Commun., 2009, 6403-6405 (2009).

      180
      In situ ATR-FTIR Study of Bulk CO Oxidation on a Polycrystalline Pt Electrode

      H. Hanawa, K. Kunimatsu, H. Uchida, and M. Watanabe
      Electrochim. Acta, 54, 6276-6285 (2009).

      179
      STEM Image Analysis Using LAT Image Processing

      P. Bele, U. Stimming, H. Yano, H. Uchida, and M. Watanabe
      Image and Microscopy, 11, 34-38 (2009).

      178
      Luminescent Multi-Layered Polymer Coating for the Simultaneous Detection of Oxygen Pressure and Temperature

      T. Hyakutake, H. Taguchi, J. Kato, H. Nishide, and M. Watanabe
      Macromol. Chem. Phys., 210, 1230-1234 (2009).

      177
      Synthesis and Properties of Sulfonated Block Copolymers Having Fluorenyl Groups for Fuel-Cell Applications

      B. Bae, K. Miyatake, and M. Watanabe
      ACS Appl. Mater. Interfaces, 1, 1279-1286 (2009).

      176
      Synthesis of Nickel Nanoparticles Supported on Hollow Samaria-Doped Ceria Particles via the Solution-Spray Plasma Technique: Anode Catalysts for SOFCs

      R. Nishida, K. Kakinuma, H. Nishino, T. Kamino, H. Yamashita, M. Watanabe, and H. Uchida
      Solid State Ionics, 180, 968-972 (2009).

      175
      Role of Adsorbed Species in Methanol Oxidation on Pt Studied by ATR-FTIRAS Combined with Linear Potential Sweep Voltammetry

      K. Kunimatsu, H. Hanawa, H. Uchida, and M. Watanabe
      J. Electroanal. Chem., 632, 109-119 (2009).

      174
      Oxygen Reduction at the Pt/Carbon Black-Polyimide Ionomer Interface

      K. Miyatake, T. Omata, D. A. Tryk, H. Uchida, and M. Watanabe
      J. Phys. Chem. C, 113, 7772-7778 (2009).

      173
      Gas Diffusion Electrodes Containing Sulfonated Poly(arylene ether) Ionomer for PEFCs: Part 1. Effect of Humidity on the Cathode Performance

      T. Yoda, T. Shimura, B. Bae, K. Miyatake, M. Uchida, H. Uchida, and M. Watanabe
      Electrochim. Acta, 54, 4328-4333 (2009).

      172
      Effect of the Hydrophobic Component on the Properties of Sulfonated Poly(arylene ether sulfone)s

      B. Bae, K. Miyatake, and M. Watanabe
      Macromolecules, 42, 1873-1880 (2009).

      171
      Temperature-Dependence of Hydrogen Oxidation Reaction Rates and CO-Tolerance at Carbon-Supported Pt, Pt-Co, and Pt-Ru Catalysts

      H. Uchida, K. Izumi, K. Aoki, and M. Watanabe
      Phys. Chem. Chem. Phys., 11, 1771-1779 (2009).

      170
      Polarization Properties of La0.6Sr0.4Co0.2Fe0.8O3-Based Double Layer-Type Oxygen Electrodes for Reversible SOFCs

      Y. Tao, H. Nishino, S. Ashidate, H. Kokubo, M. Watanabe, and H. Uchida
      Electrochim. Acta, 54, 3309-3315 (2009).

      169
      Effects of the Decomposition Products of Sulfonated Polyimide and Nafion Membranes on the Degradation and Recovery of Electrode Performance in PEFCs

      A. Kabasawa, J. Saito, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 54, 2754-2760 (2009).

      168
      Identification and Quantification of Oxygen Species Adsorbed on Pt(111) Single-Crystal and Polycrystalline Pt Electrodes by Photoelectron Spectroscopy

      M. Wakisaka, H. Suzuki, S. Mitsui, H. Uchida, and M. Watanabe
      Langmuir, 25, 1897-1900 (2009).

      167
      Durability of a Novel Sulfonated Polyimide Membrane in Polymer Electrolyte Fuel Cell Operation

      A. Kabasawa, J. Saito, H. Yano, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 54, 1076-1082 (2009).

    2008

    • 166
      Poly(arylene ether) Ionomers Containing Sulfofluorenyl Groups: Effect of Electron-withdrawing Groups on the Properties

      T. Shimura, K. Miyatake, and M. Watanabe
      Eur. Polym. J., 44, 4054-4062 (2008).

      165
      Influence of Decomposition Products from Perfluorosulfonic Acid Membrane on Fuel Cell Performance

      A. Kabasawa, H. Uchida, and M. Watanabe
      Electrochem. Solid-State Lett., 11, B190-B192 (2008).

      164
      Temperature Dependence of Co-adsorption of Carbon Monoxide and Water on Highly Dispersed Pt/C and PtRu/C Electrodes Studied by In-Situ ATR-FTIRAS

      M. Watanabe, T. Sato, K. Kunimatsu, and H. Uchida
      Electrochim. Acta, 53, 6928-6937 (2008).

      163
      Role of Terrace/Step Edge Sites in CO Adsorption/Oxidation on a Polycrystalline Pt Electrode Studied by in Situ ATR-FTIR Method

      K. Kunimatsu, T. Sato, H. Uchida, and M. Watanabe
      Electrochim. Acta, 53, 6104-6110 (2008).

      162
      Temperature Dependence of Oxygen Reduction Activity at Carbon-Supported PtXCo (X=1, 2, and 3) Alloy Catalysts Prepared by the Nanocapsule Method

      H. Yano, J. M. Song, H. Uchida, and M. Watanabe
      J. Phys. Chem. C, 112, 8372-8380 (2008).

      161
      Performance of Pt-Fe/Mordenite Monolithic Catalysts for Preferential Oxidation of Carbon Monoxide in a Reformate Gas for PEFCs

      N. Maeda, T. Matsushima, H. Uchida, H. Yamashita, and M. Watanabe
      Appl. Catal. A, Gen.,341 , 93-97 (2008).

      160
      Substituents Effect on the Properties of Sulfonated Polyimide Copolymers

      K. Miyatake, T. Yasuda, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 46, 4469-4478 (2008).

      159
      In Situ Analysis of Oxygen Partial Pressure at the Cathode Catalyst Layer/Membrane Interface during PEFC Operation

      S. Takaichi, H. Uchida, and M. Watanabe
      Electrochim. Acta, 53, 4699-4705 (2008).

      158
      In Situ and Real-Time Visualisation of Oxygen Distribution in DMFC Using a Porphyrin Dye Compound

      J. Inukai, K. Miyatake, Y. Ishigami, M. Watanabe, T. Hyakutake, H. Nishide, Y. Nagumo, M. Watanabe, and A. Tanaka
      Chem. Commun., 2008, 1750-1752 (2008).

      157
      Synthesis and Properties of Polyimide Ionomers Containing 1H-1,2,4-Triazole Groups

      J. Saito, K. Miyatake, and M. Watanabe
      Macromolecules, 41, 2415-2420 (2008).

      156
      Adsorption/Oxidation of CO on Highly Dispersed Pt Catalyst Studied by Combined Electrochemical and ATR-FTIRAS Methods: Oxidation of CO Adsorbed on Carbon-Supported Pt Catalyst and Unsupported Pt Black

      K. Kunimatsu, T. Sato, H. Uchida, and M. Watanabe
      Langmuir, 24, 3590 - 3601 (2008).

      155
      Direct Visualization of Oxygen Distribution in Operating Fuel Cells

      J. Inukai, K. Miyatake, K. Takada, M. Watanabe, T. Hyakutake, H. Nishide, Y. Nagumo, M. Watanabe, M. Aoki, and H. Takano
      Angew. Chem. Int. Ed., 47, 2792-2795 (2008).

      154
      Increased Oxygen Coverage at Pt-Fe Alloy Cathode for the Enhanced Oxygen Reduction Reaction Studied by EC-XPS

      M. Wakisaka, H. Suzuki, S. Mitsui, H. Uchida, and M. Watanabe
      J. Phys. Chem. C, 112, 2750-2755 (2008).

      153
      Sulfonated Poly(arylene ether sulfone) Ionomers Containing Fluorenyl Groups for Fuel Cell Applications

      B. Bae, K. Miyatake, and M. Watanabe
      J. Membr. Sci, 310, 110-118 (2008).

    2007

    • 152
      Gas Diffusion Electrodes Containing Sulfonated Polyether Ionomers for PEFCs

      A. B. Beleke, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 53, 1972-1978 (2007).

      151
      Metal Separators Coated with Carbon/Resin Composite Layers for PEFCs

      S. Kitta, H. Uchida, and M. Watanabe
      Electrochim. Acta, 53, 2025-2033 (2007).

      150
      Adsorption/Oxidation of CO on Highly Dispersed Pt Catalyst Studied by Combined Electrochemical and ATR-FTIRAS Methods: Part 1. ATR-FTIRAS Spectra of CO Adsorbed on Highly Dispersed Pt Catalyst on Carbon Black and Carbon Un-Supported Pt Black

      T. Sato, K. Kunimatsu, H. Uchida, and M. Watanabe
      Electrochim. Acta, 53, 1266-1279 (2007).

      149
      Response of Specific Resistance Distribution in Electrolyte Membrane to Load Change at PEFC Operation

      S. Takaichi, H. Uchida, and M. Watanabe
      J. Electrochem. Soc., 154, B1373-B1377 (2007).

      148
      Enhanced Proton Conduction in Polymer Electrolyte Membranes with Acid-Functionalized Polysilsesquioxane

      K. Miyatake, T. Tombe, Y. Chikashige, H. Uchida, and M. Watanabe
      Angew. Chem. Int. Ed., 46, 6646-6649 (2007).

      147
      Distribution Profile of Hydrogen and Oxygen Permeating in Polymer Electrolyte Membrane Measured by Mixed Potential

      S. Takaichi, H. Uchida, and M. Watanabe
      Electrochem. Commun., 9, 1975-1979 (2007).

      146
      Oxygen Reduction Activity of Carbon-Supported Pt-M (M = V, Ni, Cr, Co, and Fe) Alloys Prepared by Nanocapsule Method

      H. Yano, M. Kataoka, H. Yamashita, H. Uchida, and M. Watanabe
      Langmuir, 23, 6438-6445 (2007).

      145
      Effects of Operating Potential and Temperature on Degradation of Electrocatalyst Layer for PEFCs

      T. Yoda, H. Uchida, and M. Watanabe
      Electrochim. Acta, 52, 5997-6005 (2007).

      144
      Distribution Profile of Water and Suppression of Methanol Crossover in Sulfonated Polyimide Electrolyte Membrane for Direct Methanol Fuel Cells

      E. Higuchi, N. Asano, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 52, 5272-5280 (2007).

      143
      Tuned Polymer Electrolyte Membranes Based on Aromatic Polyethers for Fuel Cell Applications

      K. Miyatake, Y. Chikashige, E. Higuchi, and M. Watanabe
      J. Am. Chem. Soc., 129, 3879-3887 (2007).

      142
      New Metal Separators Coated with Carbon/Resin Composite Layers for PEFCs

      S. Kitta, T. Okumoto, H. Uchida, and M. Watanabe
      Electrochemistry, 75, 213-216 (2007).

      141
      Temperature-Dependence of Direct Methanol Oxidation Rates at Various Platinum Alloy Electrodes

      H. Uchida, K. Takeuchi, N. Wakabayashi, and M. Watanabe
      Electrochemistry, 75, 184-186 (2007).

      140
      Effect of Cross-Linking on Polyimide Ionomer Membranes

      K. Miyatake, N. Asano, T. Tombe, and M. Watanabe
      Electrochemistry, 75, 122-125 (2007).

      139
      Nano-Sized Ni Particles on Hollow Alumina Ball: Catalysts for Hydrogen Production

      M. Watanabe, H. Yamashita, X. Chen, J. Yamanaka, M. Kotobuki, H. Suzuki, and H. Uchida
      Appl. Catal. B, 71, 237-245 (2007).

      138
      Synthesis and Properties of a Polyimide Containing Pendant Sulfophenoxypropoxy Groups

      K. Miyatake, T. Yasuda, M. Hirai, M. Nanasawa, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 45, 157-163 (2007).

    2006

    • 137
      Emerging Membrane Materials for High Temperature Polymer Electrolyte Fuel Cells: Durable Hydrocarbon Ionomers

      K. Miyatake and M. Watanabe
      J. Mater. Chem., 16, 4465-4467 (2006).

      136
      Electronic Structures of Pt-Co and Pt-Ru Alloys for CO-Tolerant Anode Catalysts in Polymer Electrolyte Fuel Cells Studied by EC-XPS

      M. Wakisaka, S. Mitsui, Y. Hirose, K. Kawashima, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 110, 23489-23496 (2006).

      135
      Temperature Dependence of CO-Tolerant Hydrogen Oxidation Reaction Activity at Pt, Pt-Co, and Pt-Ru Electrodes

      H. Uchida, K. Izumi, and M. Watanabe
      J. Phys. Chem. B, 110, 21924-21930 (2006).

      134
      Particle-Size Effect of Nanoscale Platinum Catalysts in Oxygen Reduction Reaction: an Electrochemical and 195Pt EC-NMR Study

      H. Yano, J. Inukai, H. Uchida, M. Watanabe, P. K. Babu, T. Kobayashi, J. H. Chung, E. Oldfield, and A. Wieckowski
      Phys. Chem. Chem. Phys., 8, 4932-4939 (2006).

      133
      Synthesis of Novel 4,4'-Benzidine Derivatives with Sulfonic Acid Groups

      M. Nanasawa, S. Yamashita, M. Hirai, K. Miyatake, and M. Watanabe
      Org. Prep. Proc. Int., 38, 341-344 (2006).

      132
      Durability of Novel Sulfonated Poly(arylene ether) Membrane in PEFC Operation

      M. Aoki, Y. Chikashige, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochem. Commun., 8, 1412-1416 (2006).

      131
      Decomposition Mechanism of Perfluorosulfonic Acid Electrolyte in Polymer Electrolyte Fuel Cells

      M. Aoki, H. Uchida, and M. Watanabe
      Electrochem. Commun., 8, 1509-1513 (2006).

      130
      Branched and Cross-Linked Proton Conductive Poly(arylene ether sulfone) Ionomers: Synthesis and Properties

      Y. Chikashige, Y. Chikyu, K. Miyatake, and M. Watanabe
      Macromol. Chem. Phys., 207, 1334-1343 (2006).

      129
      Temperature Dependence of Oxygen Reduction Activity at Nafion-Coated Bulk Pt and Pt/Carbon Black Catalysts

      H. Yano, E. Higuchi, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 110, 16544-16549 (2006).

      128
      Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cell Using Sulfonated Polyimide

      E. Higuchi, K. Okamoto, K. Miyatake, H. Uchida, and M. Watanabe
      Res. Chem. Intermed., 32, 533-542 (2006).

      127
      Electron Tomography of Nafion Ionomer Coated on Pt/Carbon Black in High Utilization Electrode for PEFCs

      H. Uchida, J. M. Song, S. Suzuki, E. Nakazawa, N. Baba, and M. Watanabe
      J. Phys. Chem. B, 110, 13319-13321 (2006).

      126
      High Catalytic Performance of Pt-Fe Alloy Nanoparticles Supported in Mordenite Pores for Preferential CO Oxidation in H2-Rich Gas

      M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Watanabe
      Appl. Catal. A, 307, 275-283 (2006).

      125
      Preparation of High Catalyst Utilization Electrodes for Polymer Electrolyte Fuel Cells

      J. M. Song, S. Suzuki, H. Uchida, and M. Watanabe
      Langmuir, 22, 6422-6428 (2006).

      124
      Investigation of Direct Methanol Fuel Cell Performance of Sulfonated Polyimide Membrane

      J. M. Song, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 51, 4497-4504 (2006).

      123
      Durability of Sulfonated Polyimide Membrane Evaluated by Long-Term Polymer Electrolyte Fuell Cell Operation

      M. Aoki, N. Asano, K. Miyatake, H. Uchida, and M. Watanabe
      J. Electrochem. Soc., 153, A1154-1158 (2006).

      122
      Synthesis and Properties of Polyimides Bearing Acid Groups on Long Pendant Aliphatic Chains

      T. Yasuda, Y. Li, K. Miyatake, M. Hirai, M. Nanasawa, and M. Watanabe
      J. Polym. Sci. Part A: Polym. Chem., 44, 3995-4005 (2006).

      121
      Preparation of Highly Dispersed SiO2 and Pt Particles in Nafion112 for Self-Humidifying Electrolyte Membranes in Fuel Cells

      H. Hagihara, H. Uchida, and M. Watanabe
      Electrochim. Acta, 51, 3979-3985 (2006).

      120
      Polarization Behavior of SDC Cathode with Highly Dispersed Ni Catalysts for Solid Oxide Electrolysis Cells

      N. Osada, H. Uchida, and M. Watanabe
      J. Electrochem. Soc., 153, A816-820 (2006).

      119
      Sulfonated Block Polyimide Copolymers as a Proton-Conductive Membrane

      N. Asano, K. Miyatake, and M. Watanabe
      J. Polym. Sci. Part A: Polym. Chem., 44, 2744-2748 (2006).

      118
      In Situ Infrared Spectroscopic and Electrochemical Study of Hydrogen Electro-Oxidation on Pt Electrode in Sulfuric Acid

      K. Kunimatsu, H. Uchida, M. Osawa, and M. Watanabe
      J. Electroanal. Chem., 587, 299-307 (2006).

      117
      Aliphatic/Aromatic Polymide Ionomers as a Proton Conductive Membrane for Fuel Cell Applications

      N. Asano, M. Aoki, S. Suzuki, K. Miyatake, H. Uchida, and M. Watanabe
      J. Am. Chem. Soc., 128, 1762-1769 (2006).

      116
      Interaction of Samaria-Doped Ceria Anode with Highly Dispersed Ni Catalysts in a Medium-Temperature Solid Oxide Fuel Cell during Long-Term Operation

      S. Suzuki, H. Uchida, and M. Watanabe
      Solid State Ionics, 177, 359-365 (2006).

    2005

    • 115
      Reaction Mechanism of Preferential Oxidation of Carbon Monoxide on Pt, Fe, and Pt.Fe/ Mordenite Catalysts

      M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Watanabe
      J. Catal., 236, 262-269 (2005).

      114
      Novel Aromatic Polymer Electrolyte with Comb-like Structure: Synthesis and Properties

      Y. Li, T. Yasuda, K. Miyatake, and M. Watanabe
      Macromol. Chem. Phys., 206, 2390-2395 (2005).

      113
      Novel Evaluation Method for Degradation Rate of Polymer Electrolytes in Fuel Cells

      M. Aoki, H. Uchida, and M. Watanabe
      Electrochem. Commun., 7, 1434-1438 (2005).

      112
      XAFS Characterization of Pt-Fe/zeolite Catalysts for Preferential Oxidation of CO in Hydrogen Fuel Gases

      M. Kotobuki, T. Shido, M. Tada, H. Uchida, H. Yamashita, Y. Iwasawa, and M. Watanabe
      Catalysis Letters, 103, 263-269 (2005).

      111
      Synthesis and Properties of Polyimide Ionomers Containing Sulfoalkoxy and Fluorenyl Groups

      T. Yasuda, K. Miyatake, M. Hirai, M. Nanasawa and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 43, 4439-4445 (2005).

      110
      Effect of Loading Level in Platinum-Dispersed Carbon Black Electrocatalysts on Oxygen Reduction Activity Evaluated by Rotating Disk Electrode

      E. Higuchi, H. Uchida, and M. Watanabe
      J. Electroanal. Chem., 583, 69-76 (2005).

      109
      Poly(arylene ether) Ionomers Containing Sulfofluorenyl Groups for Fuel Cell Applications

      Y. Chikashige, Y. Chikyu, K. Miyatake, and M. Watanabe
      Macromolecules, 38, 7121-7126 (2005).

      108
      Application of Sulfonated Polyimide Membranes to Direct Methanol Fuel Cells

      J. M. Song, N. Asano, K. Miyatake, H. Uchida, and M. Watanabe
      Chemistry Letters, 34, 996-997 (2005).

      107
      Development of Pt/ZSM-5 Catalyst with High CO Selectivity for Preferential Oxidation of Carbon Monoxide in a Reformed Gas

      M. Kotobuki, A. Watanabe, H. Uchida, H. Yamashita, and M. Waranabe
      Chemistry Letters, 34, 866-867 (2005).

      106
      Polyimide Electrolyte Membranes Having Fluorenyl and Sulfopropoxy Groups for High Temperature PEFCs

      H. Zhou, K. Miyatake, and M. Watanabe
      Fuel Cells, 5, 296-301 (2005).

      105
      Structures of CO Adlayer on Pt(100) Electrode in HClO4 Solution Studied by in Situ STM

      M. Wakisaka, T. Ohkanda, T. Yoneyama, H. Uchida, and M. Watanabe
      Chem. Commun., 2005, 2710-2712 (2005).

      104
      Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Novel Organic/Inorganic Hybrid Electrolytes: Effect of Carbon Black Addition in the Catalyst Layer

      O. Nishikawa, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 50, 2719-2723 (2005).

      103
      Synthesis and Properties of Novel Sulfonated Poly(phenylene ether)

      K. Miyatake, H. Zhou, and M. Watanabe
      J. Polym. Sci. A: Polym. Chem., 43, 1741-1744 (2005).

      102
      Temperature Dependence of Oxygen Reduction Activity at Pt-Fe, Pt-Co, and Pt-Ni Alloy Electrodes

      N. Wakabayashi, M. Takeichi, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 109, 5836-5841 (2005).

      101
      Effect of Wet-Proofing Treatment of Carbon Backing Layer in Gas Diffusion Electrodes on the PEFC Performance

      J. M. Song, H. Uchida, and M. Watanabe
      Electrochemistry, 73, 189-193 (2005).

      100
      Microstructural Analyses of Ceria-Based Anode with Highly Dispersed Ni Electrocatalysts for Medium-Temperature Solid Oxide Fuel Cells

      S. Suzuki, H. Uchida, and M. Watanabe
      Electrochemistry, 73, 128-134 (2005).

      99
      Recent Progress in Proton Conducting Membranes for PEFCs

      K. Miyatake and M. Watanabe
      Electrochemistry, 73, 12-19 (2005).

      98
      Temperature-Dependence of Oxygen Reduction Activity at a Platinum Electrode in an Acidic Electrolyte Solution Investigated with a Channel Flow Double Electrode

      N. Wakabayashi, M. Takeichi, M. Itagaki, H. Uchida, and M. Watanabe
      J. Electroanal. Chem., 574, 339-346 (2005).

    2004

    • 97
      High-Performance Electrode for Steam Electrolysis: Mixed Conducting Ceria-Based Cathode with Highly-Dispersed Ni Electrocatalysts

      H. Uchida, N. Osada, and M. Watanabe
      Electrochem. Solid-State Lett., 7, A500-A502 (2004).

      96
      Characterization of Methoxy Fuels for Direct Oxidation-Type Fuel Cell

      N. Wakabayashi, K. Takeuchi, H. Uchida, and M. Watanabe
      J. Electrochem. Soc., 151, A1636-A1640 (2004).

      95
      Preparation of the Electrode for High Temperature PEFCs Using Novel Polymer Electrolytes Based on Organic/inorganic Nanohybrids

      O. Nishikawa, T. Sugimoto, S. Nomura, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochim. Acta, 50, 663-672 (2004).

      94
      Hydrolytically Stable Polyimide Ionomer for Fuel Cell Applications

      N. Asano, K. Miyatake, and M. Watanabe
      Chem. Mater., 16, 2841-2843 (2004).

      93
      Proton Conductive Polyimide Electrolytes Containing Trifluoromethyl Groups: Synthesis, Properties, and DMFC Performance

      K. Miyatake, H. Zhou, T. Matsuo, H. Uchida, and M. Watanabe
      Macromolecules, 37, 4961-4966 (2004).

      92
      Proton Conductive Polyimide Electrolytes Containing Fluorenyl Groups: Synthesis, Properties, and Branching Effect

      K. Miyatake, H. Zhou, and M. Watanabe
      Macromolecules, 37, 4956-4960 (2004).

      91
      Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Borosiloxane Electrolytes

      E. Higuchi, H. Uchida, T. Fujinami, and M. Watanabe
      Solid State Ionics, 171, 45-49 (2004).

      90
      Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells Using Novel Organic/Inorganic Hybrid Electrolytes

      O. Nishikawa, K. Doyama, K. Miyatake, H. Uchida, and M. Watanabe
      Electrochemistry, 72, 232-237 (2004).

      89
      In-Situ ATR-FTIR Spectroscopic Study of Electro-oxidation of Methanol and Adsorbed CO at Pt-Ru Alloy

      T. Yajima, H. Uchida, and M. Watanabe
      J. Phys. Chem. B, 108, 2654-2659 (2004).

    2003

    • 88
      Novel Sulfonated Poly(arylene ether): A Proton Conductive Polymer Electrolyte Designed for Fuel Cells

      K. Miyatake, Y. Chikashige, and M. Watanabe
      Macromolecules, 36, No. 26, 9691-9693 (2003).

      87
      Synthesis and Properties of Novel Sulfonated Polyimides Containing 1,5-Naphthylene Moieties

      K. Miyatake, N. Asano, and M. Watanabe
      J. Polym. Sci., A.: Polym. Chem., 41, No. 24, 3901-3907 (2003).

      86
      Hydrogen Purification for Fuel Cells: Selective Oxidation of Carbon Monoxide on Pt-Fe/Zeolite Catalysts

      M. Watanabe, H. Uchida, K. Ohkubo, and H. Igarashi
      Applied Catalysis B: Environmental, 46, No. 3, 595-600 (2003).

      85
      High Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Mixed Conducting Ceria-Based Anode with Highly-Dispersed Ni Electrocatalysts

      H. Uchida, S. Suzuki, and M. Watanabe
      Electrochem. Solid-State Lett., 6, No. 9, A174-A177 (2003).

      84
      Adsorbed Water for the Electro-oxidation of Methanol at Pt-Ru Alloy

      T. Yajima, N. Wakabayashi, H. Uchida, and M. Watanabe
      Chem. Commun., 2003 , No. 7, 828-829 (2003).

      83
      Highly Proton Conductive Polyimide Electrolytes Containing Fluorenyl Groups

      K. Miyatake, H. Zhou, H. Uchida, and M. Watanabe
      Chem. Commun., 2003, No. 3, 368-369 (2003).

      82
      Self-Humidifying Electrolyte Membranes for Fuel Cells - Preparation of Highly Dispersed TiO2 Particles in Nafion 112

      H. Uchida, Y. Ueno, H. Hagihara, and M. Watanabe
      J. Electrochem. Soc., 150, No. 1, A57-A62 (2003).

    2002

    • 81
      Temperature-Dependence of Methanol Oxidation Rates at PtRu and Pt Electrodes

      N. Wakabayashi, H. Uchida, and M. Watanabe
      Electrochem. Solid-State Lett., 5, No. 11, E62-E65 (2002).

      80
      Proton Conducting Boroshiloxane Solid Electrolytes and Their Composites with Nafion

      H. Suzuki, Y. Yoshida, M. A. Mehta, M. Watanebe, and T. Fujinami
      Fuel Cells, 2, No. 1, 46-51 (2002).

      79
      Properties of ab-PBI Membranes for Fuel Cells

      H. Uchida, Y. Yamada, N. Asano,M. Watanabe, and M. Litt
      Electrochemistry, 70, No. 12, 943-945 (2002).

      78
      Electrochemical Quartz Crystal Microbalance Analysis of CO-Tolerance at Pt-Fe Alloy Electrodes

      H. Uchida, H. Ozuka, and M. Watanabe
      Electrochim. Acta, 47 , No. 22-23, 3629-3636 (2002).

      77
      Suppression of Methanol Crossover and Distribution of Ohmic Resistance in Pt-Dispersed PEMs under DMFC Operation - Experimental Analyses

      H. Uchida, Y. Mizuno, and M. Watanabe
      J. Electrochem. Soc., 149, No. 6, A682-A687 (2002).

      76
      High Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Control of Microstructure of La(Sr)CoO3 Cathode with Highly Dispersed Pt Electrocatalysts

      H. Uchida, S. Arisaka, and M. Watanabe
      J. Electrochem. Soc., 149, No. 2, A13-A18 (2002).

      75
      In situ STM Imaging of Surface Dissolution and Rearrangement of a PtFe Alloy Electrocatalyst in Electrolyte Solution

      L-J. Wan, T. Moriyama, M. Ito, H. Uchida and M. Watanabe
      Chem. Commun., 2002, No. 1, 58-59 (2002).

    2001

    • 74
      Interaction of Samaria-Doped Ceria Anode with Highly Dispersed Ni Catalysts in a Medium-Temperature Solid Oxide Fuel Cell during Long-Term Operation

      H. Igarashi, H. Uchida and M. Watanabe
      Studies in Surface Science and Catalysis, 132, 953-958 (2001).

      73
      Synthesis and Properties of Poly(arylene ether)s Bearing Sulfonic Acid Groups on Pendant Phenyl Groups

      K. Miyatake and A. S. Hay
      J. Polym. Sci. A: Polym. Chem., 39, 3211-3217 (2001).

      72
      Synthesis and Properties of Novel Sulfonated Arylene Ether / Fluorinated Alkane Copolymers

      K. Miyatake, K. Oyaizu, E. Tsuchida and A. S. Hay
      Macromolecules, 34, 2065-2071 (2001).

      71
      Analyses of the Preferential Oxidation of Carbon Monoxide in Hydrogen-Rich Gas over Noble Metal Catalysts Supported on Mordenite

      H. Igarashi, H. Uchida, and M. Watanabe
      Studies in Surface and Catalysis, 132, 953-958 (2001).

      70
      CO Tolerance of Pt Alloy Electrocatalysts for Polymer Electrolyte Fuel Cells and the CO Detoxification Mechanism

      H. Igarashi, T. Fujino, Y. Zhu, H. Uchida, and M. Watanabe
      Phys. Chem. Chem. Phys., 3, No. 3, 306-314 (2001).

      69
      Attenuated Total Reflection-Fourier Transform Infrared Study of Methanol Oxidation on Sputtered Pt Film Electrode

      Y. Zhu, H. Uchida, T. Yajima, and M. Watanabe,
      Langmuir, 17, No. 1, 146-154 (2001).

    2000

    • 68
      High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Activation of La(Sr)CoO3 Cathode with Highly Dispersed Pt Metal Electrocatalysts

      H. Uchida, S. Arisaka, and M. Watanabe,
      Solid State Ionics, 135, No. 1-4, 347-351 (2000).

      67
      In situ STM Obsevation with Atomic Resolution on Platinum Film Electrodes Formed by a Sputtering Method

      S. L. Yau, T. Moriyama, H. Uchida, and M. Watanabe,
      Chem. Commun., 2000, No. 22, 2279-2280 (2000).

      66
      Effect of Polymer Electrolyte Membrane's Property on Fuel Cell Performances

      M. Watanabe, H. Uchida, and H. Igarashi
      Macromolecular Symposia, 156, 223-230 (2000).

      65
      Suppression of Methanol Crossover in Pt-Dispersed Polymer Electrolyte Membrane for Direct Methanol Fuel Cells

      H. Uchida, Y. Mizuno, and M. Watanabe
      Chem. Lett., No. 11, 1268-1269 (2000).

      64
      Mordenite-Supported Noble Metal Catalysts for Selective Oxidation of Carbon Monoxide in a Reformed Gas

      H. Igarashi, H. Uchida, and M. Watanabe
      Chem. Lett., No. 11, 1262-1263 (2000).

      63
      Mechanism of CO Tolerance at Pt-Alloy Anode Catalysts for Polymer Electrolyte Fuel Cells

      M. Watanabe, Y. Zhu, H. Igarashi, and H. Uchida
      Electrochemistry., 68, No. 4, 244-251 (2000).

      62
      Oxidation of CO on Pt-Fe Alloy Electrode Studied by Surface Enhanced Reflection Absorption Spectroscopy

      M. Watanabe, Y. Zhu, and H. Uchida
      J. Phys. Chem. B, 104, No. 8, 1762-1768 (2000).

    1999

    • 61
      Oxidation of Carbon Monoxide at a Platinum Film Electrode Studied by FTIR Spectroscopy with Attenuated Total Reflection Technique

      Y. Zhu, H. Uchida, and M. Watanabe
      Langmuir, 15, No. 25, 8757-8764 (1999).

      60
      Design of CO Tolerant Anode Catalysts for Polymer Electrolyte Fuel Cells

      M. Watanabe, H. Igarashi, andT. Fujino
      Electrochemistry, 67, No. 12, 1194-1196 (1999).

      59
      Enhancement of the Electroreduction of Oxygen on Pt Alloys with Fe, Ni and Co

      T. Toda, H. Igarashi, H. Uchida, and M. Watanabe
      J. Electrochem. Soc., 146, No. 10, 3750-3756 (1999).

      58
      High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - La(Sr)CoO3 Cathode with Ceria Interlayer on Zirconia Electrolyte

      H. Uchida, S. Arisaka, and M. Watanabe,
      Electrochem. Solid-State Lett., 2, No. 9, 428-430 (1999).

      57
      High-Performance Electrode for Medium-Temperature Solid Oxide Fuel Cells - Control of Microstructure of Ceria-Based Anodes with Highly Dispersed Ruthenium Electrocatalysts

      H. Uchida, T. Osuga, and M. Watanabe,
      J. Electrochem. Soc., 146, No. 5, 1677-1682 (1999).

      56
      Effects of Ionic Conductivity of Zirconia Electrolytes on the Polarization Behavior of Various Cathodes in Solid Oxide Fuel Cells

      H. Uchida, M. Yoshida, and M. Watanabe
      J. Electrochem. Soc., 146, No. 1, 1-7 (1999).

      55
      Enhancement of the Electrocatalytic O2 Reduction on Pt-Fe Alloys

      T. Toda, H. Igarashi, and M. Watanabe
      J. Electroanal. Chem., 460, No. 1-2, 258-263(1999).

    1998

    • 54
      Role of Electronic Property of Pt and Pt-Alloy on Electrocatalytic Reduction of Oxygen

      T. Toda, H. Igarashi, and M. Watanabe
      J. Electrochem. Soc., 145, No. 12, 4185-4188 (1998).

      53
      Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Au(111) Electrodes in Solutions of Perchloric and Sulfuric Acid

      H. Uchida, M. Hiei, and M. Watanabe
      J. Electroanal. Chem., 452, No. 1, 97-106 (1998).

      52
      Photocatalytic Degradation of Trichlorobenzene Using Immobilized TiO2 Films Containing Poly(tetrafluoroethylene) and Platinum Metal Catalyst

      H. Uchida, S. Katoh, and M. Watanabe
      Electrochim. Acta, 43, No. 14-15, 2111-2116 (1998).

      51
      Polymer Electrolyte Membranes Incorporated with Nanometer-Size Particles of Pt and/or Metal-Oxides, Experimental Analysis of Self-Humidification and Suppression of Gas-Crossover in Fuel Cells

      M. Watanabe, H. Uchida, and M. Emori
      J. Phys. Chem. B, 102, No. 17, 3129-3137 (1998).

      50
      Analyses of Self-Humidification and Suppression of Gas-Crossover in Pt-Dispersed Polymer Electrolyte Membranes for Fuel Cells

      M. Watanabe, H. Uchida, and M. Emori
      J. Electrochem. Soc., 145, No. 4, 1137-1141 (1998).

      49
      High Performance Electrode for Medium Temperature Solid Oxide Fuel Cells - Effect of Composition and Microstructures on Performance of Ceria-Based Anodes

      H. Uchida, H. Suzuki, and M. Watanabe,
      J. Electrochem. Soc., 145, No. 2, 615-620 (1998).

    1997

    • 48
      Removal of Carbon Monoxide from Hydrogen-rich Fuels by Selective Oxidation over Platinum Catalyst Supported on Zeolite

      H. Igarashi, H. Uchida, M. Suzuki, Y. Sasaki, and M. Watanabe,
      Appl. Catalysis A, 159, 159-169 (1997).

      47
      Evaluation of the Performance Degradation at Phosphoric Acid Fuel Cells, Dealloying Process of Pt-Co-Ni Electrocatalysts

      N. Nakajima, H. Miyoshi, K. Nishizaki, T. Kitai, H. Uchida, and M. Watanabe,
      Denki Kagaku, 65, No. 10, 876-877 (1997).

      46
      Electrochemical Quartz Crystal Microbalance Study of Halide Adsorption and Concomitant Change of Surface Excess of Water on Highly Ordered Au(111)

      H-W. Lei, H. Uchida, and M. Watanabe,
      Langmuir, 13, No. 13, 3523-3528 (1997).

      45
      Effects of Ionic Conductivity of Zirconia Electrolytes on the Polarization Behavior of Ceria-Based Anodes in Solid Oxide Fuel Cells

      M. Watanabe, H. Uchida, and M. Yoshida,
      J. Electrochem. Soc., 144, No. 5, 1739-1743 (1997).

      44
      Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Gold Electrodes. Part II. Further Discussion on the Specific Adsorption of Anions from Solutions of Perchloric and Sulfuric Acid

      H. Uchida, N. Ikeda, and M. Watanabe,
      J. Electroanal. Chem., 424, 5-12 (1997).

      43
      Direct Methanol Oxidation on Platinum Electrodes with Ruthenium Adatoms in Hot Phosphoric Acid

      M. Watanabe, Y. Genjima, and K. Turumi
      J. Electrochem. Soc., 144, No. 2, 423-428(1997).

    1996

    • 42
      Self-Humidifying Polymer Electrolyte Membranes for Fuel Cells

      M. Watanabe, H. Uchida, Y. Seki, M. Emori, and P. Stonehart
      J. Electrochem. Soc., 143, No. 12, 3847-3852 (1996).

      41
      Electrochemical Quartz Crystal Microbalance Study of Adsorption of Iodide Anion on Highly Ordered Au(111)

      H-W. Lei, H. Uchida, and M. Watanabe
      J. Electroanal. Chem., 413, 131-136 (1996).

      40
      An Advanced Gas-Diffusion Electrode for High Performance Phosphoric Acid Fuel Cells

      N. Hara, K. Tsurumi, and M. Watanabe
      J. Electroanal. Chem., 413, 81-88 (1996).

      39
      High Performance Electrode for Medium Temperature Operating Solid Oxide Fuel Cells. Activation of La(Sr)MnO3Cathode with Highly Dispersed Pt Microcrystals

      H. Uchida, A. Tsuno, and M. Watanabe
      Denki Kagaku, 64, No. 6, 686-687 (1996).

      38
      Electrochemical Oxidation of Methanol on Platinum Electrodes with Ruthenium Ad-atoms in Hot Phosphoric Acid

      M. Watanabe, Y. Genjima, and K. Turumi
      Denki Kagaku, 64, No. 6, 462-463 (1996).

      37
      Electrochemical Evaluation of Fill-level with Electrolyte in Gas Diffusion Electrodes at Phosphoric Acid Fuel Cells

      M. Watanabe, H. Uchida, H. Hiratsuka, T. Kitai, K. Nishizaki, N. Nakajima, and H. Miyoshi
      Denki Kagaku, 64, No. 6, 460-461 (1996).

      36
      High-Performance Electrode for Medium-Temperature Operating Solid Oxide Fuel Cells. Polarization Property of Ceria-Based Anode with Highly Dispersed Ruthenium Catalysts in (H2+CO2+H2O)Gas

      H. Uchida, N. Mochizuki, and M. Watanabe
      J. Electrochem. Soc., 143, No. 5, 1700-1704(1996).

      35
      Experimental Analysis of Water Behavior in Nafion Electrolyte Under Fuel Cell Operation

      M. Watanabe, H. Igarashi, H. Uchida, F. Hirasawa
      J. Electroanal. Chem.,399, 239-241 (1996).

    1995

    • 34
      Hydrogen Electro-oxidation on Platinum Catalysts in the Presence of Trace Carbon Monoxide

      H. Igarashi, T. Fujino, and M. Watanabe
      J. Electroanal. Chem., 391, 119-123 (1995).

      33
      High Efficiency Electrochemical Reduction of Carbon Dioxide under High Pressure on a Gas Diffusion Electrode Containing Pt Catalysts

      K. Hara, A. Kudo, T. Sakata, and M. Watanabe
      J. Electrochem. Soc., 142, No. 4, L57-L59(1995).

      32
      In-situ Kinetic Studies on Direct Fluorination of Thin Polyethylene Films with QCM

      N. Hara, H. Fukumoto, and M. Watanabe
      Bull. Chem. Soc. Jpn., 68, No. 4, 1232-1238(1995).

      31
      Photocatalytic Decomposition of Trichlorobenzene Using TiO2 Supported on Nickel-Poly(tetrafluoroethylene) Composite Plate

      H. Uchida, S. Katoh, and M. Watanabe
      Chemistry Letters, No. 4, 261-262(1995).

      30
      Electrochemical Quartz Crystal Microbalance Study of Silver Ad-atoms on Highly Ordered Au(111) Electrodes in Sulfuric Acid

      H. Uchida, M. Miura, and M. Watanabe
      J. Electroanal. Chem., 386, No. 1-2, 261-265 (1995).

      29
      Effects of Ionic Conductivities of Zirconia Electrolytes on Polarization Properties of Platinum Anodes in Solid Oxide Fuel Cells

      H. Uchida, M. Yoshida, and M. Watanabe
      J. Phys. Chem., 99, No. 10, 3282-3287(1995).

      28
      An Experimental Prediction of the Preparation Condition of Nafion-Coated Catalyst Layers for PEFCs

      M. Watanabe, H. Igarashi, and K. Yoshioka
      Electrochim. Acta, 40, No. 3, 329-334 (1995).

      27
      Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Highly Ordered Au(111) Electrodes in Sulfuric Acid

      M. Watanabe, H. Uchida, M. Miura, and N. Ikeda
      J. Electroanal. Chem., 384, 191-195 (1995).

      26
      Electrochemical Quartz Crystal Microbalance Study of Copper Ad-atoms on Gold and Platinum Electrodes. Part I. Adsorption of Anions in Sulfuric Acid

      M. Watanabe, H. Uchida, and N. Ikeda
      J. Electroanal. Chem., 380, 255-260 (1995).

      25
      Pt Catalyst Supported on Zeolite for Selective Oxidation of CO in Reformed Gases

      M. Watanabe, H. Uchida, H. Igarashi, and M. Suzuki
      Chemistry Letters, No. 1, 21-22 (1995).

    1994

    • 24
      Activity and Stability of Ordered and Disordered Co-Pt Alloys for Phosphoric Acid Fuel Cell

      M. Watanabe, K. Tsurumi, T. Mizukami, T, Nakamura, and P. Stonehart
      J. Electrochem. Soc., 141, No. 10, 2659-2668 (1994).

      23
      Design of Electrocatalyst for CO2 Reduction. V. Effect of Microcrystalline Structures of Cu-Sn and Cu-Zn Alloys on the Electrocatalysis of CO2 Reduction

      A. Katoh, H. Uchida, M. Shibata, and M. Watanabe
      J. Electrochem. Soc., 141, No. 8, 2054-2058 (1994).

      22
      An Effect of Proton Conductivity in Electrolyte Membranes on Cathode Performances at Polymer Electrolyte Fuel Cells

      M. Watanabe, K. Sakairi, and M. Inoue
      J. Electroanal. Chem., 375, 415-418 (1994).

      21
      Noble Metal Catalysts Highly-dispersed on Sm-Doped Ceria For the Application to Internal Reforming Solid Oxide Fuel Cells Operated at Medium Temperature

      M. J. Saeki, H. Uchida, and M. Watanabe
      Catalysis Letters, 26, 149-157 (1994).

      20
      High Performance Catalyzed-reaction Layer for Medium Temperature Operating Solid Oxide Fuel Cells

      M. Watanabe, H. Uchida, M. Shibata, N. Mochizuki, and K. Amikura
      J. Electrochem. Soc., 141, No. 2, 342-346 (1994).

    1993

    • 19
      Management of the Water Content in Polymer Electrolyte Membranes with Porous Fiber Wicks

      M. Watanabe, Y. Satoh, and C. Shimura
      J. Electrochem. Soc., 140, No. 11, 3190-3193 (1993).

      18
      Effect of the Microcrystallite Structures of Cu-Sn and Cu-Zn Alloys on Electroreduction of CO2

      A. Katoh, M. Shibata, and M. Watanabe
      Denki Kagaku, 61, No. 7, 805-806 (1993).

      17
      Selective Oxidation of the Aldehyde Functional Group in the Glycolaldehyde Molecule at Pt Electrodes Modified by Sb Ad-atoms

      M. Shibata, N. Furuya, and M. Watanabe
      J. Electroanal. Chem., 344, 389-393 (1993).

    1991

    • 16
      Reduction of Horse Heart Ferricytochrome c at Platinum and Gold Electrodes Modified by Various Ad-atoms

      M. Shibata, K. Nakamura, N. Furuya, and M. Watanabe
      J. Electroanal. Chem., 314, 179-190 (1991).

      15
      Design of Alloy Electrocatalysts for CO2 Reduction III. The Selective and Reversible Reduction of CO2 at Cu Alloy Electrodes

      M. Watanabe, M. Shibata, A. Katoh, M. Azuma, and T. Sakata
      J. Electrochem. Soc., 138, No.11, 3382-3389 (1991).

      14
      A New Wet-Proof Technique of Gas-Diffusion Electrodes

      M. Watanabe, C. Shimura, K. Tsurumi, and N. Hara
      Chemistry Letters, 1113-1116 (1991).

      13
      Design of Alloy Electrocatalysts for CO2 Reduction - Improved Energy Efficiency, Selectivity, and Raccoon Rate for the CO2 Electroreduction on Cu Alloy Electrodes

      M. Watanabe, M. Shibata , A. Katoh, T. Sakata, and M. Azuma
      J. Electroanal. Chem., 305, 319-328 (1991).

      12
      Design of Alloy Electrocatalysts for CO2 Reduction (I) The Selective and Reversible Reduction of CO2 at Cu-Ni Alloy Electrodes

      M. Watanabe, M. Shibata, A. Katoh, M. Azuma, and T. Sakata
      Denki Kagaku, 59, 508-516 (1991).

    1990

    • 11
      Electrochemical Reduction of Carbon Dioxide to Higher Hydrocarbons in a KHCO3Aqueous Solution

      M. Azuma, K. Hashimoto, M. Watanabe, and T. Sakata
      J. Electroanal. Chem., 294, 299-303 (1990).

      10
      Electrochemical Reduction of Carbon Dioxide on Various Metal Electrodes in Low-Temperature Aqueous KHCO3 Media

      M. Azuma, K. Hashimoto, M. Hiramoto, M. Watanabe, and T. Sakata
      J. Electrochem. Soc., 137, 1772-1778 (1990).

      9
      The Use of Thin Films of Sulfonated Fluoro-polymers for Improvements in the Activity and Durability of Pt Electrocatalysts for Methanol Electrooxidation

      M. Watanabe, T. Takahashi, and H. Kita
      J. Electroanal. Chem., 284, 511-515 (1990).

    1989

    • 8
      High Platinum Electrocatalyst Utilizations for Direct Methanol Oxidation

      M. Watanabe, S. Saegusa, and P. Stonehart
      J. Electroanal. Chem., 271, 213-220 (1989).

      7
      Influence of the Carbon Backing Paper on Oxygen Reduction Parameters in Phosphoric Acid Fuel Cell Electrodes

      M. Watanabe, P. Stonehart, M. Inoue, H. Fukui, and K. Miwa
      Chemistry Letters, 1441-1444 (1989).

      6
      Electrocatalysis by Ad-atoms Part XXV. Electrocatalytic Effects on the Elementary Steps in Ethanol Oxidation by Non-oxygen-adsorbing Ad-atoms

      M. Shibata, N. Furuya, and M. Watanabe
      J. Electroanal. Chem., 267, 163-170 (1989).

      5
      Control of Micropore Structures of Porous Oxide Plaques for Molten Carbonate Fuel Cells by a Slurry Sintering Method (II)

      M. Watanabe, M. Takao, and Y. Namikawa
      Denki Kagaku, 57, 898-901 (1989).

      4
      Controlling of Micropore Distribution of Porous Gas-Diffusion Electrodes for a Molten Carbonate Fuel Cell by a Slurry Sintering Method (I)

      M. Watanabe, M. Takao, and Y. Namikawa
      Denki Kagaku, 57, 586-590 (1989).

      3
      Electrocatalysis by Ad-atoms Part XXIV. Effect of Arrangement of Bi Ad-atoms on Formic Acid Oxidation

      M. Shibata, N. Furuya, M. Watanabe, and S. Motoo
      J. Electroanal. Chem., 263, 97-108 (1989).

      2
      The Influence of Platinum Crystallite Size on the Electroreduction of Oxygen

      M. Watanabe, H. Sei, and P. Stonehart
      J. Electroanal. Chem., 261, 375-387 (1989).

      1
      Carbon Dioxide Reduction at Low Temperature on Various Metal Electrodes

      M. Azuma, K. Hashimoto, M. Hiramoto, M. Watanabe, and T. Sakata
      J. Electroanal. Chem., 260, 441-445 (1989).