Effect of different additives on the properties of lithium alanate

被引：0
|
作者：
I.S. Humail [1 ]
机构：
[1] School of Materials Science and Engineering,University of Science and Technology Beijing
来源：
International Journal of Minerals,Metallurgy and Materials | 2008年 / 06期
关键词：
hydrogen storage alloys; lithium alanate; additives; absorption; hydrogen release;
D O I：
暂无
中图分类号：
O611.3 [性质];
学科分类号：
070301 ; 081704 ;
摘要：
LiAlH4 doped with Ni and Ce(SO4)2 additives and the effect of doping on temperature and hydrogen release were studied by pressure-content-temperature (PCT) experiment and X-ray diffraction (XRD) analysis. It is indicated that doping with Ni induces a significant decrease in temperature in the first step and LiAlH4 doped with 1mol% Ni presents the most absorption of hydrogen. Doping with Ce(SO4)2 also causes a marked decrease, while the amount of hydrogen release changes only slightly. The results from X-ray diffraction analysis show that doping does not cause any structural change; Ni and Ce-containing phases are not observed at room temperature or even at 250°C.
引用
收藏
页码：786 / 790
页数：5
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