A dynamic voltage model of a fuel cell stack considering the effects of hydrogen purge operation

被引：23
|
作者：
Hou, Yongping [1 ,2 ]
Shen, Caoyuan [1 ,2 ]
Yang, Zhihua [3 ]
He, Yuntang [4 ]
机构：
[1] Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
[2] Tongji Univ, Sch Automot Studies, Shanghai 201804, Peoples R China
[3] SAIC Motor Tech Ctr, Shanghai 201804, Peoples R China
[4] China Automot Technol & Res Ctr, Tianjin 300162, Peoples R China
来源：
RENEWABLE ENERGY | 2012年 / 44卷
关键词：
Dynamic model; PEM fuel cell stack; Hydrogen purge;
D O I：
10.1016/j.renene.2012.01.088
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
During the operation of proton exchange membrane (PEM) fuel cell, water is easy to accumulate in the anode side, particularly if the fuel cell system is being controlled in 'dead ended' mode. The hydrogen purge operation prevents the anode being jammed by excessive water. It is observed that the voltage experiences a recovery and linear degradation after the hydrogen purge operation. In this paper an empirical dynamic voltage model for PEM fuel cell stack is introduced based on the result of experimental investigation. Compared with previous model, the suggested model indicates a better agreement between test and simulation, especially when the effect of hydrogen purge operation is obvious. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：246 / 251
页数：6
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