Electrochemical properties of AB5 type hydrogen storage alloy as anode electrocatalyst of PEMFC

被引：0
|
作者：
Chen, Y
Wang, XH
Chen, CP [1 ]
Chen, LX
Sequeira, CAC
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Inst Super Tecn, Dept Chem Engn, P-1049001 Lisbon, Portugal
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2005年 / 15卷 / 02期
关键词：
MlNiCoAlMn alloy; hydrogen storage alloy; fuel cell; anode; electrochemical property;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The electrocatalytic properties of hydrogen storage alloy(HSA) MlN(3.65)Co(0.85)Al(0.3)Mn(0.3) substituting Pt as anode electrocatalyst of PEMFC was investigated. It is found that, after being optimized, the electrocatalytic abilities of the HSA is reasonably good, the current density of the HSA anode membrane and electrode assembly (MEA) reaches 168 mA/cm(2) at 0.5 V and 232.4 mA/cm(2) at 0.2 V, and its power density reaches the maximum value of 84 mW/cm(2). The influence of operating temperature and hydrogen pressure on the electrocatalytic behavior of HSA anode MEA is also discussed. At 60 degrees C under 2.02 X 10(5) Pa H-2, the HSA anode shows the best electrochemical properties.
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收藏
页码：361 / 365
页数：5
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