均相沉淀法制备α-Ni(OH)2及其电化学性能研究

稀有金属材料与工程, 2004, 33(12): 1291-1294.

均相沉淀法制备α-Ni(OH)2及其电化学性能研究

张倩 ^1, , 徐艳辉 ^2, , 王晓琳 ^3, , 何国荣 ^4, , 林克芝 ^5,

1.清华大学,北京,100084

2.清华大学,北京,100084

3.清华大学,北京,100084

4.清华大学,北京,100084

5.清华大学,北京,100084

关键词：均相沉淀法 , α-Ni(OH)2 , 镍氢电池

Preparation of Al-Doped α-Ni(OH)2 by Homogeneous Precipitation and Its Electrochemical Performance

采用均相沉淀法制备了可以在强碱性溶液中稳定存在的Al代α-Ni(OH)2.X射线衍射和扫描电子显微镜测试表明,试样结晶度很高,形貌为细小颗粒的团聚.采用恒流充放电测试方法研究了所制备的a-Ni(OH)2的放电比容量.结果表明,试样的放电比容量较高,可以达到290 mAh/g,而且充放电的极化程度小.

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均相沉淀法制备α-Ni(OH)2及其电化学性能研究

Preparation of Al-Doped α-Ni(OH)2 by Homogeneous Precipitation and Its Electrochemical Performance

参考文献