锂离子电池正极材料磷酸钒锂的研究概况

Study outline of cathode materials lithium vanadium phosphate for lithium-ion battery

磷酸钒锂具有价格低、比容量高、放电电压高、循环寿命长等优点,成为近年来研究较多的正极材料之一。本文介绍了磷酸钒锂的结构特点和电化学性能,对磷酸钒锂的制备方法及改性研究进展进行了综述,同时对该材料的发展方向和前景进行了展望。

Lithium vanadium phosphate（Li3V2（PO4）3） has been extensively studied because of its application as a cathode material in rechargeable lithium battery,due to its attractive electrochemical properties,such as low price,high specific energy,high discharge voltage and good cycle stability as Li-ion battery cathode.Structures and electrochemical properties of Li3V2（PO4）3 positive material were introduced in the paper.Recent progresses on the synthesis and modification of positive materials were reviewed.Finally,the further development direction and prospects of the material is expected.