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题名: Influence of catalyst layer structure on the current distribution of PEMFCs
作者: Wu, JF;  Yi, BL;  Hou, M;  Hou, ZJ;  Zhang, HM
刊名: ELECTROCHEMICAL AND SOLID STATE LETTERS
发表日期: 2004
DOI: 10.1149/1.1718195
卷: 7, 期:6, 页:A151-A154
收录类别: SCI
文章类型: Article
项目归属: 303
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Materials Science, Multidisciplinary
研究领域[WOS]: Electrochemistry ;  Materials Science
英文摘要: A modified subcell approach was adopted to evaluate the current density distributions of proton exchange membrane fuel cells (PEMFCs) with different electrodes. Conventional hydrophobic electrodes showed better performance under flooding conditions compared to hydrophilic electrodes. The thin-film hydrophilic electrode performed better in the absence of liquid water, but it was more readily flooded. A composite catalyst layer was designed with 2/3 of the area from the inlet prepared hydrophilic and the remaining 1/3 area hydrophobic. The composite catalyst layer with commercial scale dimension showed notable enhanced performance in the concentration polarization region. (C) 2004 The Electrochemical Society.
关键词[WOS]: ELECTROLYTE FUEL-CELLS ;  PLATINUM LOADING ELECTRODES ;  TECHNOLOGY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000221887500009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82621
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Res & Dev Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Wu, JF,Yi, BL,Hou, M,et al. Influence of catalyst layer structure on the current distribution of PEMFCs[J]. ELECTROCHEMICAL AND SOLID STATE LETTERS,2004,7(6):A151-A154.
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