硫系电解液添加剂对镍钴锰酸锂//石墨锂离子电池性能的影响

夏恒恒, 梁鹏程, 安仲勋

Effects of sulfur-containing electrolyte additives on the performance of lithium nickel cobalt manganese oxide//graphite Li-ion batteries

Hengheng XIA, Pengcheng LIANG, Zhongxun AN

图2 单组分添加剂在NCM//G锂离子电池中的性能：(a) 单体实物外观图；(b) 首次充放电曲线、库仑效率和放电容量；不同倍率下的(c) 放电容量、(d) 容量保持率、(e) 直流内阻、(f) 能量效率

Fig. 2 Performance of NCM//G Li-ion batteries with different single electrolyte additive: (a) Cell physical appearance; (b) First charging-discharging curve, Coulombic efficiency and discharged capacity; (c) Discharged capacity, (d) Capacity retention, (e) DC resistance, and (f) Energy efficiency at various rate currents