分别以化学共沉淀法和机械混合法制备了不同掺杂量的氢氧化镍,详细研究了掺杂方式和掺杂量对氢氧化镍晶体类型和结构的影响。XRD结果表明化学共沉淀法制得掺杂锌量在11%以下的氢氧化镍均为β型晶体结构,并且氢氧化镍的结晶程度随掺杂量的增加而提高,增加晶体缺陷,这些特征都将利于提高氢氧化镍的电化学性能;但共沉淀法掺杂量超过11%,机械混合法掺杂量超过1%后,在XRD图谱上出现明显的Zn（OH）2的特征峰,说明产品中出现了两种晶相,这对提高氢氧化镍的电化学性能是不利的。
Nickel hydroxide was prepared through different methods such as chemical coprecipitated with zinc,mechanically mixed with Zn（OH）2 powder or undoped,and effects of doped form and amount of zinc on crystal type and structure were investigated.The measurement results of XRD indicated that the samples prepared by chemical coprecipitated with zinc were β-Ni（OH）2 when the amount of zinc is less than 11%,with better crystal structure,and more crystal defects,all of these will improve the electrochemical performance of Ni（OH）2.But the characterize lines arised in the XRD patterns,when the amount of zinc is more than 11% by chemical coprecipitation,1% by mechanical mixing with Zn（OH）2.This result shown that there is two phases in the sample,which will not beneficial to improving the electrochemical performance of nickel hydroxide.
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