用低热固相反应法制备铝钴复合掺杂的Ni(OH)2样品,研究其结构和电化学性能.XRD测试结果表明,同时掺杂摩尔分数为20%的Al和摩尔分数为5%的Co的α-Ni(OH)2样品在6 mol/L KOH中浸泡6个月仍保持稳定的α型结构;该样品经30次充放电循环仍保持α型结构.电化学测试结果表明,该样品的放电比容量和大电流放电性能均明显好于摩尔分数为20%的Al的单掺杂α-Ni(OH)2和球形β-Ni(OH)2.
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