在0.1 mol/L的Ni(NO3)2溶液中,采用电化学沉积法制备出适用于锌镍微电池的氢氧化镍电极,研究了电沉积温度对Ni(OH)2电极的电化学循环伏安性能以及充放电性能的影响.测试结果表明,电沉积方法制备的Ni(OH)2电极适合于微电池的制作.30℃下电沉积制备的Ni(OH)2电极具有优异的电化学性能,其质子扩散系数为7.71×10-12 cm2/s,放电比容量为1 285μtAh/cm2,利用率达91.4%.
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