球形化可以提高锂离子正极材料的压实密度、体积比容量并改善其加工性能和极片的质量。简要介绍了球形材料的特点,综述了球形LiCoO2、LiNOMxM1-xO2、LiMn2O4、LiFePO4等的制备及其性能,展望了球形正极材料的应用前景。
Sphericition has become the important development direction of lithium-ion battery cathode materials. Because they have high energy density and excellent electrochemistry capability, manufacturing performance and so on. Basic characteristics of spherical materials are introduced briefly. New progress of lithium ion battery spherical cathode materials were summarized during recent years, including LiCoO2, LiNixM1-xO2, LiMn2O4 and LiFePO4 and so on.