锂离子电池正极材料LiFePO_4的研究现状  

Development of LiFePO_4 as cathode material of Li-ion battery

作　　者：杨蓉[1] 赵铭姝[1] 汪飞[1] 宋晓平[1] 

机构地区：[1]西安交通大学理学院材料物理系

出　　处：《电池》2004年第6期460-461,共2页Battery Bimonthly

基　　金：陕西省教育厅资助项目(04JK225);西安交通大学自然科学基金资助项目(0900573031)

摘　　要：总结了LiFePO4的结构、电化学性能、合成方法;阐明了LiFePO4大电流充放电时容量衰减的原因;简述了利用包覆碳、掺杂等手段提高该正极材料导电率的研究成果。The structure, electrochemical performance and preparation methods of LiFePO_4 were reviewed. The reasons of the reversible capacity loss at higher current density discharge were described.The results of enhancing the electronic conductivity of LiFePO_4 by coating carbon or doping were introduced.

关 键 词：锂离子电池 正极材料 LIFEPO4 合成方法 电导率 

分 类 号：TM912.9[电气工程—电力电子与电力传动]