层状锂镍钴锰氧化物的研究进展  

Research progress of layered lithium cobalt nickel manganese oxide

作　　者：李昱树[1] 薛卫东[1] 唐瑛材[1] 胡友作[1] 蒋奉君[1] 

机构地区：[1]电子科技大学微电子与固体电子学院,四川成都610054

出　　处：《电子元件与材料》2011年第9期71-75,共5页Electronic Components And Materials

基　　金：四川省科技支撑资助项目(No.2009GZ0013)

摘　　要：层状锂镍钴锰氧化物Li[Ni1-x-yCoxMny]O2以其较高的理论容量得到了普遍关注。简述了国内外层状锂镍钴锰氧化物的主要制备方法及其电化学性能,分析了稀土金属、其他金属、非金属等掺杂改性和包覆改性的机理和特性,指出今后研究重点应是改善循环性能和提高倍率性能。Layered lithium cobalt nickel manganese oxide Li[Ni1-x-yCoxMny]O cathode materials are becoming appealing recently due to their high theoretical capacities. The major preparation methods and electrochemical properties investigated at home and abroad are summarized. The mechanisms and characteristics of doping modification like doping rare earth metallic, other metallic and non-metallic elements, and coating modification are discussed. In addition, the focus of Li[Ni1-x-yCoxMny]O in the future investigation is to improve the cycle performance and the rate of the capability.

关 键 词：锂离子电池正极材料 Li[Ni1-x-yCoxMny]O2 综述 掺杂改性 

分 类 号：TM912.9[电气工程—电力电子与电力传动]