Effect of pore structure of catalyst layer in a PEMFC on its performance

被引：87
|
作者：
Yoon, YG [1 ]
Park, GG [1 ]
Yang, TH [1 ]
Han, JN [1 ]
Lee, WY [1 ]
Kim, CS [1 ]
机构：
[1] Korea Inst Energy Res, Fuel Cell Res Ctr, Taejon 305343, South Korea
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2003年 / 28卷 / 06期
关键词：
PEMFC; catalyst layer; pore structure; MEA;
D O I：
10.1016/S0360-3199(02)00156-8
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：
Influence of pore structure of the cathode catalytic layer in a PEMFC in its performance has been studied. Membrane-electrode assemblies were prepared to have various kinds of porosities and pore structures using spray-drying method. From the I-V characteristics of catalytic layers, pore structure seems to be an important factor determining the cell performance. Addition of thermoplastic agent seems to indeed enhance the structural stability and performance of the catalytic layer. Pore forming agent is considered to assist the transport of oxygen through the catalytic layer. (C) 2002 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：657 / 662
页数：6
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