以四氧化三钴、碳酸锂为原料,尿素为燃料,用自蔓延高温合成法制备层状正极材料LiCoO2,并考察了尿素与钴摩尔比、预制炉温、热处理温度、热处理时间及锂与钴摩尔比等工艺条件对合成产物的结构、微观形貌和电化学性能的影响.结果表明,制备LiCoO2的工艺条件为:锂与钴摩尔比1.05:1.00,尿素与钴摩尔比1:1,预制炉温和热处理800℃、热处理时间2h.所得LiCoO2的放电比容量达155mAh/g,循环10次后容量保持率为95%.
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