LiFePO4因具有高的比容量、良好的循环性、环境友好等特点,成为目前最受关注的锂离子电池正极材料。概述了LiFePO4的结构和电化学性能,介绍了LiFePO4主要的几种制备方法,包括固相法、水热法、微波法。同时阐述了提高LiFePO4电化学性能所做的改性研究,并对该材料的发展方向进行了展望。
LiFePO4 has become an attractive cathode material for Li-ion battery since it has hight specific capacity,good cycle capability and environmentalbenifits. The structure and electrochemical performance of LiFePO4 are summarized in this paper. The main preparing methods of the material are analyzed, including solid-state reaction, hy- drothermal synthesis and microwave synthesis. At the same time, the related modification research on enhancing the capability of LiFePO4 is introduced and the further development trend of the material is expected.