采用络合法制备了锂离子电池的活性正极材料LiCoO2纳米粉体,实验表明:合成的LiCoO2粉体结晶良好,层状结构发育完善,平均粒径为60nm而且粒径分布窄,比表面积大.电池充放电测试表明,正极的电化学性能与LiCoO2粉体的合成温度有关,其中700°C合成得到的LiCoO2正极材料具有最优的电化学性能:首次放电比容量高达167mAh/g,30次循环后其可逆比容量仍高达144mAh/g,容量损失13.8%.
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