Maximum current limitations of the PEM fuel cell with serpentine gas supply channels

被引：23
|
作者：
Zhukovsky, K [1 ]
Pozio, A [1 ]
机构：
[1] ENEA, Ctr Ric Casaccia, IDROCOMB, I-00060 Rome, Italy
来源：
JOURNAL OF POWER SOURCES | 2004年 / 130卷 / 1-2期
关键词：
transport model; limiting oxygen flux; diffuser; serpentine gas channel and pressure;
D O I：
10.1016/j.jpowsour.2003.11.062
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polymer electrolyte fuel cells (PEFC) in the regime of limiting current is considered. Maximum current limitations come due to oxygen deplete on the cathode. They appear strongly dependent on the geometry of the gas diffuser and supply channels. Effect of liquid water in the electrode and air pressure in gas channels is studied to identify the best geometry of the gas supply net in the terms of the maximum cell Current. Comparison between model predictions and experimental data is carried out. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：95 / 105
页数：11
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