Preparation of La-Mg-Ni hydrogen storage composite alloys by mechanical alloying

被引：1
|
作者：
Yan, Shijian [1 ]
Zou, Xinwei [1 ]
Zhang, Mingang [1 ]
机构：
[1] Taiyuan Univ Sci & Technol, Sch Mat Sci & Engn, Taiyuan 030024, Peoples R China
来源：
ENVIRONMENTAL PROTECTION AND RESOURCES EXPLOITATION, PTS 1-3 | 2013年 / 807-809卷
关键词：
hydrogen storage composite alloy; mechanical alloying; La-Mg-Ni;
D O I：
10.4028/www.scientific.net/AMR.807-809.2707
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
LaNi5-xwt % Mg hydrogen storage alloys with different Mg content were made from pure La, Mg and Ni metal powder by mechanical alloying, selecting appropriate ball-milling parameters in 0.4MPa hydrogen atmosphere. The characterizations for hydrogen storage alloy show that a multi-phase alloy composed of MgH2, LaH3, Mg(2)Nia(4) and Ni was obtained, the alloy have two hydrogen desorption temperature range, and the alloy with 25wt% Mg content can desorb hydrogen up to 4.02wt%.
引用
收藏
页码：2707 / 2712
页数：6
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