锂离子二次电池正极材料氧化锰锂的研究进展

功能材料, 2000, 31(1): 18-22.

锂离子二次电池正极材料氧化锰锂的研究进展

吴宇平 ^1, , 李阳兴 ^2, , 万春荣 ^3, , 姜长印 ^4,

1.清华大学核能技术设计研究院,北京,100084

2.清华大学核能技术设计研究院,北京,100084

3.清华大学核能技术设计研究院,北京,100084

4.清华大学核能技术设计研究院,北京,100084

关键词：锂离子二次电池 , 正极 , 氧化锰锂 , 进展

Progress on Lithium Manganese Oxide as Cathode Materials of Lithium Ion Secondary Battery

综述了最近几年对于锂离子二次电池正极材料氧化锰锂的研究.研究的氧化锰锂材料主要有尖晶石结构的LiMnO、LiMnO和LiMnO以及层状结构的LiMnO.对于LiMnO,通过引入适当的杂原子和采用新的溶胶-凝胶法制备,可以有效地克服Jahn-Teller效应所造成的容量衰减现象.LiMnO和LiMnO可以用低温方法合成,能作为3V锂离子二次电池的理想正极材料,层状结构LiMnO的容量比目前常用的正极材料的质量容量均要高,可达Z70mAh/g,而且循环性能也比较理想.随电子技术的发展,以氧化锰锂为正极的锂离子二次电池将得到广泛的应用.

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锂离子二次电池正极材料氧化锰锂的研究进展

Progress on Lithium Manganese Oxide as Cathode Materials of Lithium Ion Secondary Battery

参考文献