Enhancement of PEM fuel cell performance by steaming or boiling the electrode

被引：59
|
作者：
Qi, Z [1 ]
Kaufman, A [1 ]
机构：
[1] H Power Corp, Belleville, NJ 07109 USA
来源：
JOURNAL OF POWER SOURCES | 2002年 / 109卷 / 01期
关键词：
electrodes; catalyst-coated membranes; PEM fuel cells; catalyst layer; Pt/C;
D O I：
10.1016/S0378-7753(02)00060-5
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：
Treatment of electrodes or catalyst-coated membranes with steam or boiling water for as short as 10 min dramatically increased their performance when tested in proton exchange membrane (PEM) fuel cells afterwards. The treatment was found to be effective for numerous electrodes consisting of various types of carbon-supported Pt catalysts with different Pt loadings. It is proposed that the treatment increases the number of active sites or regions in the catalyst layer which leads to an enhanced catalyst utilization. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：227 / 229
页数：3
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