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

页码：104 / 106

页数：3

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