作　　者： ; ; ; (邱仕洲）;

机构地区： 华南师范大学化学与环境学院化学系

出　　处： 《电池工业》 2000年第6期254-260,共7页

摘　　要： 详细分析了3种可作为锂离子电池正极活性物质锂钴氧化物、锂镍氧化物及锂锰氧化物的优势与不足 ,特别分析了充放电过程中可能引起的正极活性物质结构变化 ,讨论了提高锂锰氧化物结构稳定性的方法 ,测试了一种商品化锂锰氧化物的物化特性 ,合成了钴掺杂锂锰氧化物并研究其性能 ,提出了一种结构稳定的锂锰氧化物合成新方法。 Advantages and disadvantages of lithium cobalt oxide,lithium nickel oxide and lithium manganese oxide used as the positive active material of Li ion battery were discussed.Structure changes of these oxides during charge and discharge were analysed.Some of physical and chemical performances of a commercial lithium manganese oxide were determined.Cobalt-doped lithium manganese oxides were synthesized and their performances were studied.A new kind of lithium manganese oxide with stable structure was synthesized.

关 键 词： 锂离子电池 正极活性物质 结构稳定性 修饰锂锰氧化物

领　　域： [电气工程]