Determination of hydrogen diffusion coefficient in metal hydride electrode by cyclic voltammetry

被引：44
|
作者：
Yuan, XX [1 ]
Xu, NX [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Met, Shanghai 200050, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2001年 / 316卷 / 1-2期
关键词：
hydrogen storage materials; electrochemical reactions;
D O I：
10.1016/S0925-8388(00)01287-1
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：
Cyclic voltammetry was used to determine the hydrogen diffusion coefficient in metal hydride electrodes with the alloy composition of MlNi(3.65)Co(0.75)Mn(0.4)Al(0.2) (Ml=misch metal). It was found that the hydrogen diffusion coefficient increases with increasing depth of discharge (DOD) of the electrode. The probable reason for the DOD dependence of the hydrogen diffusion coefficient is also discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：113 / 117
页数：5
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