Effects of CO on Performance of HT-PEM Fuel Cells

被引：1
|
作者：
Zhao, Xuenan [1 ]
Sun, Hong [1 ]
Li, Zhijie [1 ]
机构：
[1] Shenyang Jianzhu Univ, Dept Transportat & Mech Engn, Shenyang 110168, Peoples R China
来源：
APPLIED ENERGY TECHNOLOGY, PTS 1 AND 2 | 2013年 / 724-725卷
关键词：
HT-PEM; fuel cell; carbon monoxide; AC impedance; TEMPERATURE;
D O I：
10.4028/www.scientific.net/AMR.724-725.723
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
High temperature proton exchange membrane (HT-PEM) fuel cell is considered as one of the most probable fuel cells to be large-scale applied due to characteristics of high efficiency, friendly to environment, low fuel requirement, ease water and heat management, and so on. However, carbon monoxide (CO) content in fuel plays an important role in the performance of HT-PEM fuel cells. Volt-ampere characteristics and AC impedance of HT-PEM fuel cell are tested experimentally in this paper, and effects of CO in fuel on its performance are analyzed. The experimental results show that CO in fuel increases remarkably the Faraday resistance of HT-PEM fuel cell and decreases the electrochemical reaction at anode; the more CO content in fuel is, the less HT-PEM fuel cell performance is; with the increasing cell temperature, the electrochemical reaction on the surface of catalyst at anode is improved and the poisonous effects on the HT-PEM fuel cell are alleviated.
引用
收藏
页码：723 / 728
页数：6
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