采用溶胶-凝胶法制备了锂离子蓄电池正极材料尖晶石LiCo0.1Mn1.9O4粉体,考察了烧结温度对其结构及电化学性能的影响.随着烧结温度的升高,尖晶石型结构越来越完整,首次放电比容量增大,但循环性能却逐渐变差.700℃时烧结12h得到了性能较好的LiCo0.1Mn1.9O4粉体,在电流密度0.1mA/cm2,截止电压3.5～4.4V条件下,首次放电比容量为123mAh/g,稳定放电比容量达113mAh/g.
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