Preparation and electrochemical property of AB3 type LaMg2Ni9-x-y-z CoxMnyCuz hydrogen storage alloys

被引：0

作者：

Fan, Xing ^{[1
]}

Han, Xuanli ^{[1
]}

Qi, Baiyu ^{[2
]}

机构：

[1] Xi'an University of Architecture and Technology, Xi'an 710055, China

[2] Northwest Mining and Metallurgy Research Institute, Baiyin 730900, China

来源：

Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2011年 / 40卷 / 06期

关键词：

Reduction - Cobalt alloys - Copper alloys - Electric discharges - Hydrogen storage - Electrochemical properties - Lanthanum alloys - Hydrogen storage alloys - Ternary alloys - Electrochemistry - Manganese alloys;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

AB3 type LaMg2Ni9-x-y-z CoxMnyCuz (x=1.8, 2.1, 2.4, 2.7, 3.0; y=2.1, 2.4, 2.7, 3.0, 3.3; z=0.3, 0.6, 0.9, 1.2, 1.5) hydrogen storage alloys were synthesized by a coprecipitation-reduction-diffusion method according to the orthogonal experimental design. Their discharge capacity and cycle stability were studied and the structure was analyzed by XRD. The results indicate that the maximum discharge capacity of the series of alloys under multielement substitution is higher than the alloys under single element substitution, but the cycle stability decline slightly. Structure analyses show that the main phase of alloys is La4Co3. LaMg2Ni2.7 Co2.1Mn2.7Cu1.5 alloy shows the best electrochemical properties in the series of hydrogen storage alloys. Copyright © 2011, Northwest Institute for Nonferrous Metal Research.

引用

页码：1025 / 1028

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