尖晶石型钛酸锂作为锂离子电池负极材料,在充放电过程中其晶体结构不会发生改变,不可逆容量损失较小,被称为“零应变”材料.它具有循环寿命长、充电过程快、安全性高等特性,符合下一代锂离子电池的要求.本文综述了钛酸锂负极材料的研究近况,着重阐述了纳米化、引入导电碳、金属元素掺杂、阴离子掺杂以及复合改性等方法对钛酸锂进行改性,探究对其电性能的影响和以后的发展方向.
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