Electrochemical characteristics of amorphous Mg0.9M0.1Ni (M=Ni, Ti, Zr, Co and Si) ternary alloys prepared by mechanical alloying

被引：64
|
作者：
Ye, H [1 ]
Lei, YQ
Chen, LS
Zhang, H
机构：
[1] Acad Sinica, Shanghai Inst Met, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 311卷 / 02期
基金：
中国国家自然科学基金;
关键词：
mechanical alloying; amorphous alloy; Mg-Ni alloy; metal hydride; electrochemical properties;
D O I：
10.1016/S0925-8388(00)01130-0
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：
Mg0.9M0.1Ni (M=Ni, Ti, Zr, Co or Si) ternary alloys were prepared by mechanical alloying (MA). The XRD result showed that all ternary alloys were of amorphous structure, with a trace of substitution elements, except for Co. Electrochemical characteristics of all ternary alloys were studied which were compared to MA amorphous MgNi alloy. Experimental results showed that the ternary alloys had a large discharge capacity at room temperature but lower than that of the MA MgNi alloy. Partially substituting Mg with Ni, Ti, Co, Si could lead to the improvement of cyclic stability and high rate discharge capability. Over all, amorphous Mg0.9Ti0.1Ni showed the best synthesis properties. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：194 / 199
页数：6
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