Electrochemical Properties of Strip Casting LPCNi3.55Co0.75Mn0.4Al0.3 Hydrogen Storage Alloys
来源期刊：JOURNAL OF RARE EARTHS2002年第5期
论文作者：吴朝玲 涂铭旌 李锋 陈云贵 李梦 唐定骧
Key words：rare earths; strip casting; electrochemical properties; AB5-type hydrogen storage alloys;
Abstract: LPCNi3.55Co0.75Mn0.4Al0.3 hydrogen storage alloy was investigated, and the effects of thickness of its strip casting ingots(as-cast) on the electrochemical performances were discussed. It was found that the 0.2 C discharge capacity increased with the increase of the thickness (from 1 mm to 10 mm) of the ingots, mainly due to the enlargement of the unit cell volume; Among the thickness of the ingots in our study, 10 mm sample showed a better activation property; LPCNi3.55Co0.75Mn0.4Al0.3 alloy with 10mm showed higher comprehensive properties than those with other thickness under 1C rate.
吴朝玲1，涂铭旌1，李锋1，陈云贵1，李梦1，唐定骧1
(1.Department of Metal Materials, Sichuan University, Chengdu 610065, China)
Abstract:LPCNi3.55Co0.75Mn0.4Al0.3 hydrogen storage alloy was investigated, and the effects of thickness of its strip casting ingots(as-cast) on the electrochemical performances were discussed. It was found that the 0.2 C discharge capacity increased with the increase of the thickness (from 1 mm to 10 mm) of the ingots, mainly due to the enlargement of the unit cell volume; Among the thickness of the ingots in our study, 10 mm sample showed a better activation property; LPCNi3.55Co0.75Mn0.4Al0.3 alloy with 10mm showed higher comprehensive properties than those with other thickness under 1C rate.
Key words:rare earths; strip casting; electrochemical properties; AB5-type hydrogen storage alloys;
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