Experimental study on clamping pressure distribution in PEM fuel cells

被引：74
|
作者：
Wang, Xinting [1 ]
Song, Ying [2 ]
Zhang, Bi [1 ]
机构：
[1] Univ Connecticut, Connecticut Global Fuel Cell Ctr, Storrs, CT 06269 USA
[2] Univ Connecticut, Environm Res Inst, Storrs, CT 06269 USA
来源：
JOURNAL OF POWER SOURCES | 2008年 / 179卷 / 01期
关键词：
fuel cell; end plate; clamping pressure; pressure pocket;
D O I：
10.1016/j.jpowsour.2007.12.055
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：
To study the effect of internal pressure distribution on the performance of a PEM fuel cell, a pressurized endplate was designed and fabricated. The endplate had a built-in hydraulically pressurized pocket with a thin wall facing the fuel cell assembly. Pressure sensitive films were used to measure the pressure distribution for both conventional and newly designed end plates. Fuel cell performance tests were conducted under selected conditions. It was found that the pressure distribution for the newly designed endplates was more uniform than for the conventional end plates, and an improved fuel cell performance was obtained with the newly designed end plates as well. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：305 / 309
页数：5
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