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3D water management in polymer electrolyte fuel cells toward fuel cell electric vehicles

吉宗 航*; 樋口 雄紀*; 加藤 晃彦*; 日比 章五*; 山口 聡*; 松本 吉弘*; 林田 洋寿*; 野崎 洋*; 篠原 武尚   ; 加藤 悟*

Yoshimune, Wataru*; Higuchi, Yuki*; Kato, Akihiko*; Hibi, Shogo*; Yamaguchi, Satoshi*; Matsumoto, Yoshihiro*; Hayashida, Hirotoshi*; Nozaki, Hiroshi*; Shinohara, Takenao; Kato, Satoru*

A multiscale water visualization technique for polymer electrolyte fuel cells was established by using ${it operando}$ multiprobe radiography with pulsed spallation neutron and synchrotron X-ray sources. The three-dimensional water distribution revealed that water back-diffusion from the cathode to the anode significantly contributes to the drainability of practical polymer electrolyte fuel cells toward fuel cell electric vehicles.

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パーセンタイル:52.07

分野:Chemistry, Physical

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