掺杂NiO的Ni(OH)_2电化学性能研究

doi:10.61558/2993-074X.2034

电化学（中英文） ›› 2010, Vol. 16 ›› Issue (1): 39-42. doi: 10.61558/2993-074X.2034

掺杂NiO的Ni(OH)_2电化学性能研究

陈飞彪;吴伯荣;安伟峰;杨照军;吴锋;陈实;

北京理工大学化工与环境学院;

收稿日期:2010-02-28 修回日期:2010-02-28 出版日期:2010-02-28 发布日期:2010-02-28

Electrochemical Properties of Ni(OH)_2 Doped by NiO

CHEN Fei-biao,WU Bo-rong*,AN Wei-feng,YANG Zhao-jun,WU Feng,CHEN Shi

(School of Chemical Engineering and Environmental Science,Beijing Institute of Technology,Beijing 100081,China

Received:2010-02-28 Revised:2010-02-28 Published:2010-02-28 Online:2010-02-28

摘要/Abstract

摘要： 于Ni(OH)2中添加具有电容特性和大电流充放电性能良好的NiO.研究发现掺杂5%NiO的Ni(OH)2在0.2C倍率下放电容量可达310.1mAh/g,而3C放电容量还可以保持79.5%.其循环伏安扫描氧化还原峰电位差仅为164mV,表明该材料的循环可逆性好.由此可见在Ni(OH)2掺杂适量的NiO,对于Ni(OH)2的大电流充放电性能确有改进作用.

关键词: 镍氢电池, 氧化镍, 氢氧化镍, 大电流充放电性能

Abstract: The Ni(OH)2 cathode material of MH/Ni was doped by NiO,which behaves as a capacitor and can improve the charge-discharge rate capacity of Ni(OH)2.The electrochemical properties of Ni(OH)2 was characterized by charge-discharge curves and cyclic voltammetry.The results showed that the material had the best discharge property when doped by 5% NiO,and the discharge specific capacity could reach 310.1 mAh/g at 0.2 C rate and remianed 79.5% at 3 C rate.The difference oxidation and reduction potentials between the of the battery was 164 mV when the Ni(OH)2 was doped by 5% NiO,which showed a good cyclic property.

Key words: MH/Ni batteries, NiO, Ni(OH)2, high rate charge-discharge

中图分类号:

TM911

陈飞彪, 吴伯荣, 安伟峰, 杨照军, 吴锋, 陈实, . 掺杂NiO的Ni(OH)_2电化学性能研究[J]. 电化学（中英文）, 2010, 16(1): 39-42.

CHEN Fei-biao, WU Bo-rong, AN Wei-feng, YANG Zhao-jun, WU Feng, CHEN Shi. Electrochemical Properties of Ni(OH)_2 Doped by NiO[J]. Journal of Electrochemistry, 2010, 16(1): 39-42.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2034

https://electrochem.xmu.edu.cn/CN/Y2010/V16/I1/39

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掺杂NiO的Ni(OH)_2电化学性能研究

Electrochemical Properties of Ni(OH)_2 Doped by NiO

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