Inukai Laboratory, University of Yamanashi, Japan

 

Welcome to Inukai Laboratory

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    Publication and Presentation

  • 2022

    J. L. Garcia, T. Miyao, J. Inukai, and B. J. V. Tongol
    Graphitic Carbon Nitride on Reduced Graphene Oxide Prepared via Semi-Closed Pyrolysis as Electrocatalyst for Oxygen Reduction Reaction
    Mater. Chem. Phys. 288, 126415 (2022)

    Y. Ozawa, Y. Shirase, K. Otsuji, and K. Miyatake
    Tuning Hydrophobic Composition in Terpolymer-Based Anion Exchange Membranes to Balance Conductivity and Stability
    Mol. Syst. Des. Eng., 7, 798-808 (2022)

    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
    Neutron Imaging of Generated Water Inside Polymer Electrolyte Fuel Cell Using Newly-Developed Gas Diffusion Layer with Gas Flow Channels during Power Generation
    J. Power Sources, 530, 231251 (2022)

    Y. Shirase, A. Matsumoto, K. L. Lim, D. A. Tryk, K. Miyatake, and J. Inukai
    Properties and Morphologies of Anion-Exchange Membranes with Different Lengths of Fluorinated Hydrophobic Chains
    ACS Omega, 7 (No.16), 13577-13587 (2022)

    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
    Effect of Water Management in Membrane and Cathode Catalyst Layers on Suppressing the Performance Hysteresis Phenomenon in Anion-Exchange Membrane Fuel Cells
    J. Power Sources, 522, 230997 (2022)

    H. Nishiyama, A. Iiyama, and J. Inukai
    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
    J. Power Sources Adv., 13, 100080 (2022)

    2021

    T. Kawamoto and J. Inukai
    Water Distributions inside Polymer Electrolyte Thin Films Studied by Neutron Reflectometry
    Vacuum and Surface Science, 64 (No.7), 329-334 (2021)

    K. Kakinuma, M. Kawamoto, K. Tamoto, M. Yamaguchi, S. Honmura, A. Iiyama, and M. Uchida
    Evaluation of Ionomer Distribution on Electrocatalysts for Polymer Electrolyte Fuel Cells by Use of a Low Acceleration Voltage Scanning Electron Microscope
    J. Electrochem. Soc., 168 (No.5), 054510 (2021)

    K. Suda, T. Kawamoto, S. Yasuno, T. Watanabe, T. Koganezawa, M. Matsumoto, H. Imai, I. Hirosawa, and J. Inukai
    Analytical System for Simultaneous Operando Measurements of Electrochemical Reaction Rate and Hard X-ray Photoemission Spectroscopy
    JJ. Electrochem. Soc., 168 (No.5), 054506 (2021)

    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
    Oscillation Mechanism in Polymer Electrolyte Membrane Fuel Cell Studied by Operando Monitoring of Oxygen Partial Pressure Using Optical Probes
    J. Surf. Finish. Soc. Jpn., 72 (No.4), 230-237 (2021)

    Y. Niwa, J. Inukai, and S. Nohara
    Supercapacitive Characteristics and Change in Oxidation State of Mn-Ni Oxide Solid Solution Electrodes
    Electrochemistry, 89 (No.2), 211-214 (2021)

    Y. Kakizawa, C. L. Schreiber, S. Takamuku, M. Uchida, A. Iiyama, and J. Inukai
    Visualization of the Oxygen Partial Pressure in a Proton Exchange Membrane Fuel Cell During Cell Operation with Low Oxygen Concentrations
    J. Power Sources, 483, 229193 (2021)

    2020

    T. Kimura, T. Kawamoto, M. Aoki, T. Mizusawa, N. L. Yamada, K. Miyatake, and J. Inukai
    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
    Langmuir, 36 (No.18), 4955-4963 (2020)

    H. Nishiyama, S. Takamuku, K. Oshikawa, S. Lacher, A. Iiyama, and J. Inukai
    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
    J. Phys. Chem. C, 124 (No.18), 9703-9711 (2020)

    I. Hosaka, T. Sawano, T. Kimura, A. Matsumoto, J. Miyake, and K. Miyatake
    Differences in the Synthetic Method Affected Copolymer Sequence and Membrane Properties of Sulfonated Polymers
    Bull. Chem. Soc. Jpn., 93 (No.3), 393-398 (2020)

    M. Hara, K. Suto, J. Inukai, S. Yoshimoto, and K. Itaya
    Adstructures of Platinum-Complex Precursors and Platinum Nanoparticles Formed on Low-Index Single-Crystal Au Surfaces for Oxygen Reduction Reaction
    J. Electroanal. Chem. 858, 114019 (2020)

    T. Kimura, A. Matsumoto, J. Inukai, and K. Miyatake
    Highly Anion Conductive Polymers: How Do Hexafluoroisopropylidene Groups Affect Membrane Properties and Alkaline Fuel Cell Performance?
    ACS Appl. Energy Mater., 3 (No.1), 469-477 (2020)


    2019

    H. Yano, N. Takao, M. Arao, M. Matsumoto, T. Itoh, H. Imai, A. Iiyama, J. Inukai, and H. Uchida
    Potential Cycle-Induced Change in the Crystal Structure of a Pt-Skin/PtCo Alloy Nanostructured Electrocatalyst for Fuel Cells
    ACS Appl. Nano Mater., 2 (No.12), 7473-7477 (2019)

    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
    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%
    Electrochemistry, 87 (No.5), 270-275 (2019)

    T. Kawamoto, M. Aoki, T. Kimura, T. Mizusawa, N. L. Yamada, J. Miyake, K. Miyatake and J. Inukai
    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
    Jpn. J. Appl. Phys., 58 (No.SI), SIID01-1 - SIID01-5 (2019)

    K. Abe, H. Uchida, and J. Inukai
    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
    Surfaces, 2 (No.2), 315-325 (2019)

    H. Ohno, S. Nohara, K. Kakinuma, M. Uchida, and H. Uchida
    Structurally Well-Defined Anion Exchange Membranes Containing Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Group
    Catalysts, 9 (No.1), 74 (2019)


    2018

    M. Ozawa, T. Kimura, K. Otsuji, R. Akiyama, J. Miyake, M. Uchida, J. Inukai, and K. Miyatake
    Structurally Well-Defined Anion Exchange Membranes Containing Perfluoroalkyl and Ammonium-Functionalized Fluorenyl Groups
    ACS Omega, 3 (No.11), 16143-16149 (2018)

    R. A. Wong, Y. Yokota, M. Wakisaka, J. Inukai, and Y. Kim
    Discerning the Redox-Dependent Electronic and Interfacial Structures in Electroactive Self-Assembled Monolayers
    J. Am. Chem. Soc., 140 (No.42), 13672-13679 (2018)

    H. Nishikawa, H. Yano, J. Inukai, D. A. Tryk, A. Iiyama, and H. Uchida
    Effects of Sulfate on the Oxygen Reduction Reaction Activity on Stabilized Pt Skin/PtCo Alloy Catalysts from 30 to 80 °C
    Langmuir, 34 (No.45), 13558-13564 (2018)


  • 2021

    FUEL CELL TRAINING COURSE 2021 "FUEL CELL AND HYDROGEN ENERGY FOR CLEANER FUTURE"(Online)
    〇J. Inukai
    “Proton Exchange Membrane Fuel Cell - Technologies, current issues and future development”

    第28回燃料電池シンポジウム (Online)
    〇H. Nishiyama A. Iiyama J. Inukai
    “Operando時間分解CARS分光測定による運転時過渡状態における燃料電池電解質膜内部の水分布測定およびその化学状態の解析”

    Live Webinar, UKM(Online)
    〇J. Inukai
    “Hydrogen Society Promoted in Japan”

    2020年度 液体・非晶質研究会(Online)
    〇J. Inukai
    “燃料電池中の水の位置と動き”

    2020年度量子ビームサイエンスフェスタ(Online)
    〇T. Kawamoto H. Nishiyama Y.Kakizawa Y. Shirase J. Inukai
    “In-situ中性子反射率測定法を用いたイオン導電性ポリマー薄膜内部の含水分布解析”

    表面技術協会　第143回講演大会 (Online)
    〇T. Kawamoto T. Kimura M. Aoki J. Miyake K. Miyatake J. Inukai
    “In-situ 中性子反射率測定法を用いた高分子電解質薄膜内部の含水構造解析”

    〇H. Nishiyama A. Iiyama J. Inukai
    “Operando 時間分解 CARS 分光法による燃料電池運転中過渡状態における電解質膜内部の水分布測定 電解質膜内部の水分布測定”

    〇Y. Shirase T. Kawamoto H. Nishiyama N.Yamada J. Inukai
    “GI-SAXS 測定を用いた異なった基板上のナフィオン薄膜の配向性解析”

    〇H. Ishihara T. Kawamoto H. Nishiyama T. Kondo M. Aoki J. Inukai
    “Pt-Co 合金単結晶電極の酸素還元反応と表面構造の解析”

    〇R. Shirasaka T. Kawamoto M. Wakisaka J. Inukai
    “角度分解 XPS を用いた Pt-Co（111）合金単結晶の表面電子状態解析”perando 時間分解 CARS 分光法による燃料電池運転中過渡状態における電解質膜内部の水分布測定 電解質膜内部の水分布測定”

    第7回パルス中性子イメージング研究会 (Online)
    〇J. Inukai
    “中性子イメージングによる固体高分子型燃料電池の開発”

    2020

    Materials Research Meeting 2020 (Online)
    〇H. Nishiyama A. Iiyama J. Inukai
    “Operando 時間分解CARS分光によるプロトン交換膜型燃料電池電解質膜内部の水分布およびその化学状態の解析”

    〇T. Kawamoto J. Inukai
    “In-situ中性子反射率測定法およびX線吸収分光法による固体高分子電解質薄膜の含水構造解析”

    2020年日本表面真空学会学術講演会(Online)
    〇T. Kawamoto T. Kimura M. Aoki T. Mizusawa N. Yamada K. Miyatake J. Inukai
    “In-situ中性子反射率法による燃料電池用電解質薄膜内部の水分布解析”

    PRiME 2020 (Online)
    〇Y. Shirase A. Matsumoto K. Miyatake J. Inukai
    "Properties and morphologies of anion exchange membranes for fuel cells with different lengths of fluorinated hydrophobic chains "

    〇Y. Kakizaawa H. Hayashida K. Suda T. Kawamoto K. Kakinuma M. Uchida A. Iiyama J. Inukai
    "Imaging and quantification of water inside membrane-electrode assembly of polymer electrolyte fuel cell during power generation by use of neutron beam "

    〇T. Kawwamoto T. Kimura M. Aoki N. Yamada T. Mizusawa J. Miyake K. Miyatake J. Inukai
    "Sublayered Thin Films of Polymer Electrolyte for Fuel Cells Formed on SiO2 and Pt Substrates Analyzed by Neutron Reflectometry under Controlled Temperature and Humidity"

    〇H.Nishiyama S.Takamuku A.Iiyama J. Inukai
    "Distribution of water molecules inside proton exchange membrane in transient state during fuel cell operation monitored by operando time-resolved CARS spectroscopy"
    表面技術協会　第142回講演大会 (Online)
    〇H.Nishiyama S.Takamuku A.Iiyama J. Inukai
    "非線形ラマン分光法を用いた燃料電池電解質膜内水分布のOperando測定"