负极材料比容量首周效率振实密度(mAh/g)(%)(g/cm3)天然石墨340~37090~930.8~1.2人造石墨310~37090~960.8~1.1MCMB280~34090~940.9~1.2软碳250~30080~850.7~1.0硬碳250~40080~850.7~1.0LTO165~17098~991.5~2.0Si基负极380~95060~920.6~1.1压实密度工作电压循环寿命(次)(g/cm3)(V)1.6~1.850.2>10001.5~1.80.2>15001.5~1.70.2>10001.3~1.50.52>10001.3~1.50.52>15001.8~2.31.55>300000.9~1.60.3~0.5300~500安全性一般良好良好良好良好优秀良好倍率性能差良好优秀优秀优秀优秀一般备注低温性能好