锂离子电池正极材料研究的进展

The research progress of the cathode material for lithium ion battery

锂离子电池由于有高能量密度、高输出电压、无记忆效应和无环境污染等优点,得到越来越多的应用。作者简述了锂离子电池的结构和充放电原理,详细介绍了近年来应用于锂离子电池的一些正极材料。并讨论了它们的优缺点及在锂离子电池中的应用前景。指出今后电极材料的研究与开发重点将朝着高比容量、高充放电效率、高循环性能以及低成本方向发展。

Lithium ion battery has a variety of applications due to its high energy density and no memory effect.In the paper,the structure and the charge-discharge principle of Li-ion battery were briefly discussed,different cathode material used in Li-ion batteries was introduced in detail.Their advantages,disadvantages and application prospects used in Li-ion batteries were also discussed.It pointed out that the future will focus on research and development of electrode materials toward high specific capacity,high charge-discharge efficiency,high-cycle performance and cost-effective direction.