β-CoOOH coated spherical P-NiOOH as the positive electrode material for alkaline Zn-NiOOH battery

被引：29

作者：

Fu, Xian-Zhu

Xu, Qing-Chi

Hu, Rong-Zong

Pan, Bing-Xuan

Lin, Jing-Dong

Liao, Dai-Wei ^{[1
]}

机构：

[1] Xiamen Univ, Inst Phys Chem, Coll Chem & Chem Engn, Dept Chem,State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

[2] Xiamen Three Circles Co Ltd, Xiamen 361000, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2007年 / 164卷 / 02期

基金：

中国国家自然科学基金;

关键词：

beta-CoOOH coated beta-NiOOH; spherical beta-Ni(OH); Zn-NiOOH battery; storage stability; electrochemical property;

D O I：

10.1016/j.jpowsour.2006.09.112

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：

beta-CoOOH coated spherical beta-NiOOH powders were synthesized as the positive electrode material for a new type of alkaline Zn-NiOOH battery. The scanning electron microscope (SEM), X-ray diffraction (XRD), inductively coupled plasma-atomic emission spectroscopy (ICP-AES), storage stability and electrochemical properties of the samples were investigated. The results showed that the beta-CoOOH coated spherical beta-NiOOH exhibited superior electrochemical performance and storage stability than uncoated spherical beta-NiOOH. AA size alkaline Zn-NiOOH batteries were assembled by directly using beta-CoOOH coated spherical beta-NiOOH as the positive electrode material. The discharge-charge experiments revealed that the alkaline Zn-NiOOH battery displayed longer discharge time and higher discharge voltage than the conventional alkaline Zn-MnO2 battery under heavy load. Moreover, the Zn-NiOOH battery can be used not only conveniently as primary battery but also repeatedly as rechargeable battery. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：916 / 920

页数：5

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