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

页码：99 / 103

页数：5

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