Effect of water transport properties on a PEM fuel cell operating with dry hydrogen

被引：70
|
作者：
Cai, Yinghua
Hu, Jun
Ma, Haipeng
Yi, Baolian
Zhang, Huamin
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2006年 / 51卷 / 28期
关键词：
proton exchange membrane fuel cells; water transport; net water transport coefficient; membrane resistance;
D O I：
10.1016/j.electacta.2006.04.043
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this work, membrane resistance measurement and water balance experiment were implemented to investigate the feasibility for a PEM fuel cell operating with dry hydrogen. The results showed that when a thin membrane was used in a cell the performance and the membrane resistance changed a little while the anode humidity changed from saturated to dry. Comparing with the anode humidity, the influence of the cathode humidity was serious on the cell performance. The water balance experiments showed that the net water transport coefficient was negative even the anode was humidified and liquid water existed not only in the cathode but also in the anode. High cathode humidity was disadvantage for the removal of water both in the anode and the cathode. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6361 / 6366
页数：6
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