新型锂离子电池正极材料的研究进展

Progress in Research of Olivine-type Cathode Material in Li-ion Batteries

分析了橄榄石型磷酸锂铁 (LiFePO4)的晶体结构 ,评述了近年来各种制备LiFePO4的方法 ,包括固相反应法、水热合成法、液相共沉淀法以及其他多种方法。介绍了国外对于提高LiFePO4的性能所进行的改性研究 ,并对其发展方向作出了展望。

As a potential cathode material for Li-ion batteries, olivine-type lithium iron phosphate has recently been paid close attention. The crystal structure of LiFePO 4 was described briefly. The synthetic methods for the preparation of LiFePO 4 developed in recent years were reviewed, including solid state reaction, hydrothermal synthesis, aqueous co-precipitation method and others. The related research abroad on enhancing the capability of LiFePO 4 was introduced and the developing trend of LiFePO 4 was prospected.