Transfer processes in PEM fuel cell: Influence of electrode structure

被引：31
|
作者：
Baranov, IE
Grigoriev, SA
Ylitalo, D
Fateev, VN
Nikolaev, II
机构：
[1] Kurchatov Inst, Russian Res Ctr, Moscow 123182, Russia
[2] 3M Corp, St Paul, MN USA
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2006年 / 31卷 / 02期
关键词：
fuel cell; transfer processes; model; electrode structure;
D O I：
10.1016/j.ijhydene.2005.04.047
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：
The model of reactants' diffusion through porous gas diffusion and catalytic layers of the fuel cell with proton exchange membrane is developed. Transfer processes in these layers are considered with the use of percolation theory. In particular, it was shown that three systems of interconnected particles or volumes catalyst, electrolyte and pores, should be created in the catalyst layer. The process of flooding of the porous system by water produced during the fuel cell operation is examined. The developed model enables to predict the influence of structural parameters of the layer on fuel cell performance. (c) 2005 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：203 / 210
页数：8
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