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中文摘要：
研究不同pH值对包覆CoOOH的球形Ni（OH）2的性能影响。在一定的温度和反应条件下,控制Co2＋在碱液中转化为Co（OH）2时的pH值,研究不同pH值下包覆CoOOH后球形Ni（OH）2的性能。结果表明：当实验条件控制在pH=12时,包覆的CoOOH能比较密实的附着在Ni（OH）2颗粒表面,而且覆盖得比较均匀;电极放电电压较高,充放电性能提高。
英文摘要：
The spherical nickel hydroxide coated with CoOOH was studied. Different pH values was controlled during the process of Co^2＋→Co（OH）2 in the sodium hydroxide with the definite temperature and condition, and the effect of Ni（OH）2 coated with CoOOH were discussed. The results indicated that when the condition pH= 12 was controlled, CoOOH could be tightly coated and distributed uniformly on the surface of nickel hydroxide; the voltage of discharge was increased, and the charge-discharge performance was improved.
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