采用将Li2CO3,电解二氧化锰(EMD)和Co(NO3)2@6H2O混合进行高温固熔反应的合成方法,制备了1种尖晶石型金属氧化物催化材料LiMn2-xCoxO4.通过电化学测试(极化曲线、放电曲线)、X射线衍射分析(XRD)以及扫描电镜(SEM)等方法对电极的微观结构和性能进行了研究.实验结果表明,以LiMn1.95Co0.05O4为催化材料的气体扩散电极具有最好的综合电化学性能.其0.9V极化电位时的最大电流密度可达210mA/cm2AA型(5号)样品电池以100mA电流恒流放电,容量可高达4439mAh.
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