Electrochemical characteristics of an amorphous Mg0.9V0.1Ni alloy prepared by mechanical alloying

被引：57
|
作者：
Nohara, S [1 ]
Hamasaki, K [1 ]
Zhang, SG [1 ]
Inoue, H [1 ]
Iwakura, C [1 ]
机构：
[1] Univ Osaka Prefecture, Coll Engn, Dept Appl Chem, Sakai, Osaka 5998531, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 280卷 / 1-2期
关键词：
nickel-hydrogen battery; hydrogen storage alloy; MgNi; amorphous; mechanical alloying;
D O I：
10.1016/S0925-8388(98)00736-1
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：
Electrochemical characteristics of an amorphous MgNi alloy with Mg partially substituted by V were investigated. A Mg0.9V0.1Ni alloy prepared by mechanical alloying (MA) exhibited much better cycle life than MgNi alloy. It was found that the partial substitution of Mg in MgNi with V could suppress the formation of Mg(OH), on the alloy surface during the charge-discharge cycling in alkaline solution. This may have unveiled an important factor to improve cycle life of the Mg-based alloy for use in nickel-hydrogen batteries. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：104 / 106
页数：3
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