Kinetic model of platinum dissolution in PEMFCs

被引：549
|
作者：
Darling, RM [1 ]
Meyers, JP [1 ]
机构：
[1] UTC Fuel Cells, S Windsor, CT 06074 USA
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2003年 / 150卷 / 11期
关键词：
D O I：
10.1149/1.1613669
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
This paper presents a mathematical model of oxidation and dissolution of supported platinum catalysts in polymer electrolyte membrane fuel cells (PEMFCs). Kinetic expressions for the oxidation and dissolution reactions are developed and compared to available experimental data. The model is used to investigate the influences of electrode potential and particle size on catalyst stability. (C) 2003 The Electrochemical Society.
引用
收藏
页码：A1523 / A1527
页数：5
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