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电化学  2010 

掺杂NiO的Ni(OH)_2电化学性能研究

, PP. 39-42

Keywords: 镍氢电池,氧化镍,氢氧化镍,大电流充放电性能

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Abstract:

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.

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