Electrochemical performance of Sn-substituted, LaNi5-based rapidly solidified alloys

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	Electrochemical performance of Sn-substituted, LaNi5-based rapidly solidified alloys
	D. M. Chen; L. Chen; K. Yang; M. Tong; R. B. Long; W. S. Sun; Y. Y. Li
	1999
发表期刊	Journal of Alloys and Compounds
ISSN	0925-8388
卷号	293 页码:724-727
摘要	Sn-substituted, LaNi5-based rapidly solidified alloys with low Co content, La(1-x)A(x)Ni(4.25)Co(0.5)Sn(0.25)(A=La, Nd, Ce,and x=0.2),were prepared by melt-spinning. The microstructure of the as-spun alloys was observed with SERI and the element distribution of the as-spun and annealed alloys was analyzed by EDX. It is found that the as-spun alloys had fine grains. However, there was Sn segregation in the grain boundaries of the as-spun alloys. XRD patterns show that for the as-spun alloys the lattice strain could be alleviated through vacuum annealing. The electrochemical performance of the as-spun and heat-treated alloys was investigated. It is found that the Ce-containing as-spun alloy had a cycle Life more than 300 cycles. After heat-treatment, the electrochemical performance of the Ce-free alloys could be further improved, which is attributed to the alleviation of the lattice strain and the change of Sn distribution. (C) 1999 Elsevier Science S.A. All rights reserved.
部门归属	chinese acad sci, inst mat res, liaoning key lab mat & hydrogen, shenyang 110015, peoples r china. chinese acad sci, inst met res, state key lab rapidly solidified nonequilibrium a, liaoning key lab mat & hydrogen, shenyang 110015, peoples r china.;chen, dm (reprint author), chinese acad sci, inst mat res, liaoning key lab mat & hydrogen, shenyang 110015, peoples r china
关键词	Metal-hydride Electrodes Ab Rare Earth Intermetallic Compounds Type Hydrogen Storage Alloys Melt Spinning Hydrogen Storage Alloys Metal Hydride Battery Low-cost Surface
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WOS记录号	WOS:000084065500136
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/37313
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	D. M. Chen,L. Chen,K. Yang,et al. Electrochemical performance of Sn-substituted, LaNi5-based rapidly solidified alloys[J]. Journal of Alloys and Compounds,1999,293:724-727.
APA	D. M. Chen.,L. Chen.,K. Yang.,M. Tong.,R. B. Long.,...&Y. Y. Li.(1999).Electrochemical performance of Sn-substituted, LaNi5-based rapidly solidified alloys.Journal of Alloys and Compounds,293,724-727.
MLA	D. M. Chen,et al."Electrochemical performance of Sn-substituted, LaNi5-based rapidly solidified alloys".Journal of Alloys and Compounds 293(1999):724-727.