Development of the overpotential simulator for polymer electrolyte fuel cells and application for optimization of cathode structure

Tatsuya Hattori, Ai Suzuki, Riadh Sahnoun, Michihisa Koyama, Hideyuki Tsuboi, Nozomu Hatakeyama, Akira Endou, Hiromitsu Takaba, Momoji Kubo, Carlos A. Del Carpio, Akira Miyamoto

    研究成果: Contribution to journalArticle査読

    28 被引用数 (Scopus)

    抄録

    We developed a novel computational method to investigate the influences of the microstructure of the polymer electrolyte fuel cell cathode catalyst layer on the overpotential characteristic toward its optimization. Three-dimensional cathode catalyst layer models were constructed by applying three-dimensional porous structure simulator and developed simulator was used to study the overpotential characteristics. Our results showed that the overpotential decreased as decrease of the standard deviation of the ionomer thickness distribution due to the increase of number of active sites.

    本文言語英語
    ページ(範囲)7929-7932
    ページ数4
    ジャーナルApplied Surface Science
    254
    23
    DOI
    出版ステータス出版済み - 9 30 2008

    All Science Journal Classification (ASJC) codes

    • 表面、皮膜および薄膜

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