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Toshio Hirai

Toshio Hirai

D-Index & Metrics

Materials Science

D-Index
61
Citations
12967
World Ranking
6813
National Ranking
359

Overview

Toshio Hirai is affiliated with Tohoku University in Japan. Their research primarily focuses on engineering disciplines, with a specific emphasis on energy and materials science. The scientist's work spans various subfields including electrical and electronic engineering, renewable energy, sustainability and environment, materials chemistry, water science and technology, and biomedical engineering.

Their research contributions have addressed topics such as fuel cells and related materials, electrocatalysts for energy conversion, advancements in solid oxide fuel cells, membrane separation technologies, membrane-based ion separation techniques, and conducting polymers and their applications.

Significant recent publications by Toshio Hirai include:

  • Effects of Humidity and Produced Water on Specific Adsorption of High Oxygen Permeability Ionomers Composed Entirely of Cyclic Monomers on Cathode Performance for Polymer Electrolyte Fuel Cells, 2024, ACS Applied Energy Materials
  • Relationship between polymer structure and dry-wet cycling resistance of perfluorosulfonic acid membranes, 2024, Polymer
  • High Oxygen Permeability Ionomer Composed Entirely of Cyclic Monomers: Synthesis, Properties, and Application to Polymer Electrolyte Fuel Cell Cathodes, 2024, ECS Meeting Abstracts

Frequent co-authors collaborating with Toshio Hirai include:

  • Satoru Hommura
  • Atsushi Watakabe
  • Tatsuya Miyajima
  • Suguru Nakayama
  • Kayoko Tamoto

The scientist has published multiple papers in venues such as:

  • ACS Applied Energy Materials
  • Polymer
  • ECS Meeting Abstracts

Toshio Hirai's work integrates aspects of both fundamental and applied research, emphasizing material properties and performance in energy-related systems, particularly polymer electrolyte fuel cells. Their investigations into ionomer materials and membrane technologies contribute to the understanding of sustainable energy solutions and the optimization of fuel cell components.

Best Publications

  • Effects of partial substitution of Ni by Pd on the thermoelectric properties of ZrNiSn-based half-Heusler compounds

    Q. Shen;L. Chen;T. Goto;T. Hirai

  • Biocompatibility of materials and development to functionally graded implant for bio-medical application

    Fumio Watari;Atsuro Yokoyama;Mamoru Omori;Toshio Hirai

  • Anomalous barium filling fraction and n-type thermoelectric performance of BayCo4Sb12

    L. D. Chen;T. Kawahara;X. F. Tang;T. Goto

  • Chemically vapor deposited Ti3SiC2

    T. Goto;T. Hirai

  • Thermoelectric properties of the n-type filled skutterudite Ba0.3Co4Sb12 doped with Ni

    Jeffrey S. Dyck;Wei Chen;Ctirad Uher;Lidong Chen

  • High‐Temperature Passive Oxidation of Chemically Vapor Deposited Silicon Carbide

    Takayuki Narushima;Takashi Goto;Toshio Hirai

  • Densification of Al2O3 Powder Using Spark Plasma Sintering

    S. W. Wang;L. D. Chen;T. Hirai

  • High-Temperature Oxidation of Silicon Carbide and Silicon Nitride

    T. Narushima;T. Goto;T. Hirai;Y. Iguchi

  • Synthesis and thermoelectric properties of p-type- and n-type-filled skutterudite RyMxCo4−xSb12(R:Ce,Ba,Y;M:Fe,Ni)

    Xinfeng Tang;Qingjie Zhang;Lidong Chen;Takashi Goto

  • The Effect of Stoichiometry on Mechanical Properties of Boron Carbide

    Koichi Niihara;Atsushi Nakahira;Toshio Hirai

  • Recent and Prospective Development of Functionally Graded Materials in Japan

    Toshio Hirai;Leng Chen

  • Chemical vapour-deposited silicon nitride

    Koichi Niihara;Toshio Hirai

  • Synthesis and structure of chemically vapour-deposited boron nitride

    Toshitsugu Matsuda;Naoki Uno;Hiroyuki Nakae;Toshio Hirai

  • High‐Temperature Oxidation of Chemically Vapor‐Deposited Silicon Carbide in Wet Oxygen at 1823 to 1923 K

    Takayuki Narushima;Takashi Goto;Yasutaka Iguchi;Toshio Hirai

  • Preparation and crystal structure of Sr2CuO2(CO3)

    Y. Miyazaki;H. Yamane;T. Kajitani;T. Oku

  • The crystal structure of (C0.4Cu0.6)Sr2(Y0.86Sr0.14)Cu2O7

    Y. Miyazaki;H. Yamane;N. Ohnishi;T. Kajitani

  • High‐Temperature Active Oxidation of Chemically Vapor‐Deposited Silicon Carbide in an Ar─O2 Atmosphere

    Takayuki Narushima;Takashi Goto;Yasutaka Iguchi;Toshio Hirai

  • Epitaxial growth of iridium and platinum films on sapphire by metalorganic chemical vapor deposition

    Roberto Vargas;Takashi Goto;Wei Zhang;Toshio Hirai

  • Structure characterization of CVD amorphous Si3N4 by pulsed neutron total scattering

    M. Misawa;T. Fukunaga;K. Niihara;T. Hirai

  • An X-ray diffraction study of the amorphous structure of chemically vapor-deposited silicon nitride

    T. Aiyama;T. Fukunaga;K. Niihara;T. Hirai

  • Strong flux pinning centers in Y‐Ba‐Cu‐O films prepared by chemical vapor deposition

    K. Watanabe;T. Matsushita;N. Kobayashi;H. Kawabe

  • Effect of plasma activated sintering (PAS) parameters on densification of copper powder

    S.W Wang;L.D Chen;Y.S Kang;M Niino

Frequent Co-Authors

Hisanori Yamane
Hisanori Yamane Tohoku University
Takashi Goto
Takashi Goto Tohoku University
Satoshi Awaji
Satoshi Awaji Tohoku University
Koichi Niihara
Koichi Niihara Nagaoka University of Technology
Lidong Chen
Lidong Chen Chinese Academy of Sciences
Kenji Hiraga
Kenji Hiraga Tohoku University
Yasuhiko Syono
Yasuhiko Syono Tohoku University
Xinfeng Tang
Xinfeng Tang Wuhan University of Technology
Naoki Kobayashi
Naoki Kobayashi University of Tokyo
Fumio Watari
Fumio Watari Hokkaido University

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