控制结晶法制备球形锂离子电池正极材料的研究进展

Research and Development of Preparing Spherical Cathode Materials for Lithium Ion Batteries by Controlled Crystallization Method

球形材料具有堆积密度大、体积比容量高、加工性能好等突出优点．球形化是锂离子电池正极材料的重要发展方向．控制结晶法是制备球形材料的理想方法.本文介绍了控制结晶法的原理,综述了采用控制结晶法制备球形锂离子电池正极材料-LiCoO2、LiNi0．8Co0．2O2、 LiMn2O4、LiNi1／3Co1／3Mn1／3O2、LiFePO4的研究和发展,并对球形材料在锂离子电池中的应用前景进行了分析．

The spherical cathode materials for lithium ion batteries have the outstanding advantages such as high pile-density, high capacity density and excellent manufacturing performance, being expected as the important directions. The ＂ controlled crystallization ＂ method is an ideal way to prepare spherical cathode materials. This paper introduced the principle of ＂ controlled crystallization ＂ method and reviewed the research and development of the spherical cathode materials, including LiCoO2, LiNi0.8Co0.2O2, LiMn2O4, LiNi1/3Co1/3Mn1/3O2, and LiFePO4. The prospective application of the spherical cathode materials was also analyzed.