Surface analyses of an alkali-treated Zr0.9Ti0.1Ni1.1Co0.1Mn0.6V0.2 alloy for use in nickel metal hydride batteries

被引：6
|
作者：
Choi, WK
Zhang, SG
Murayama, J
Shin-ya, R
Inoue, H
Iwakura, C [1 ]
机构：
[1] Univ Osaka Prefecture, Coll Engn, Dept Appl Chem, Sakai, Osaka 5998531, Japan
[2] Sumitomo Met Technol Inc, Amagasaki, Hyogo 6600891, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 280卷 / 1-2期
关键词：
Laves-phase alloy; alkali-treatment; XPS; AES; Ni metal hydride battery;
D O I：
10.1016/S0925-8388(98)00737-3
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：
An alkali-treated Zr0.9Ti0.1Ni1.1Co0.1Mn0.6V0.2 alloy was investigated with X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES) in combination with an Ar+ sputter-etching technology. As a result, it was found that alkali-treatment brought about a Ni-rich surface due to the selective dissolution of Ti, Co, Mn, V, etc. Such a Ni-rich surface plays a significant role in facilitating the activation of the alloy in charge-discharge cycle tests. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：99 / 103
页数：5
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