掺杂α-Ni(OH_2)制备及其电化学性能研究

Studies on electrochemical performance and preparation of doped α-Ni(OH)_2

α-Ni(OH)2具有较高的比容量。采用掺杂技术制备得到的样品具有与α-Ni(OH)2相同的结构和特征,放电比容量达到315m Ah/g,纯N i(OH)2比容量达到420m Ah/g,且所得样品以0.3C循环100次容量保持92%左右,适宜于作为碱性蓄电池的活性物质。

α-Ni（OH）2 had great specific capacity. The sample doped with some elements had the same structure and performance as α-Ni（OH） 2. Specific capacity of sample and pure Ni（OH） 2 reached 315mAh/g. and 420mAh/g respectively. The specific capacity retention of the obtained sample was of 92% after 100 cycles at 0. 3C rate. It was feasible for alkaline battery as positive active material.