Electrochemical characteristics of titanium-based hydrogen storage alloys

被引：9
|
作者：
Ramya, K [1 ]
Rajalakshmi, N [1 ]
Sridhar, P [1 ]
Sivasankar, B [1 ]
机构：
[1] SPIC Sci Fdn, Energy Res Ctr, Madras 600032, Tamil Nadu, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2004年 / 373卷 / 1-2期
关键词：
hydrogen storage alloys; zirconium substitution; hydriding and dehydriding; hydrogen diffusion;
D O I：
10.1016/j.jallcom.2003.10.046
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Zirconium-substituted TiMn2-based hydrogen storage alloy electrodes were prepared and their electrochemical characteristics have been evaluated in 6 M aqueous KOH solution. The electrode characteristics of Ti1-xZrxMn1.6Ni0.4 (x = 0.1 and 0.2) alloys such as discharge capacity, high rate capability and cycle life were evaluated. The alloy Ti0.9Zr0.1Mn1.6Ni0.4 was found to have higher capacity than Ti0.8Zr0.2Mn1.6Ni0.4 alloy. The exchange current density was also higher for Ti0.9Zr0.1Mn1.6Ni0.4 alloy. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：252 / 259
页数：8
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