锂离子电池石墨负极材料的改性方法  

The methods for improving the properties of graphite negative electrode materials in Li-ion battery

作　　者：崔振宇[1] 杨绍斌[1] 于继甫[1] 王凤琴[1] 张良均[2] 

机构地区：[1]辽宁工程技术大学基础部,辽宁阜新123000 [2]辽宁工程技术大学机械学院,辽宁阜新123000

出　　处：《电池》2003年第6期384-387,共4页Battery Bimonthly

摘　　要：从石墨改性的本质出发,综述了锂离子电池石墨负极材料的改性方法:包覆法、表面修饰法、添加金属纤维法、机械研磨法、超细微化和纳米化法。通过改性处理,可有效降低石墨电极的不可逆容量,从而使可逆容量和库仑效率较大程度提高。The methods for modification of graphite negative electrode of Li-ion batteries were reviewed from the essences of graphite modification. The materials could be natural graphite, artificial graphite or graphite carbon fiber. The methods included the surface covering of graphite with disorganized carbon, surface decoration treatments, adding metal fiber and doping, mechanical grinding, super-fined and nanometer treatments. With these methods,irreversible capacity of graphite electrode could be reduced effectively and both reversible capacity and coulombic efficiency were improved.

关 键 词：锂离子电池 石墨 负极材料 改性方法 包覆法 表面修饰法 机械研磨法 

分 类 号：TM912.9[电气工程—电力电子与电力传动]