锂离子电池无损析锂检测研究进展

邓林旺, 冯天宇, 舒时伟, 郭彬, 张子峰

Nondestructive lithium plating online detection for lithium-ion batteries： A review

Linwang DENG, Tianyu FENG, Shiwei SHU, Bin GUO, Zifeng ZHANG

图7 在环境温度 T=-15 ℃, 初始SOC=50%，充电电流 I=2 C的条件，将电池充电到不同的SOC末端状态(a) 电压、电流和温度在弛豫过程的变化曲线图；(b) 差分电压dV/dt 与 t 的关系；(c) 差分时间dt/dV 与 V 的关系[16]

Fig. 7 Under the conditions of ambient temperature T=-15 ℃, initial SOC=50%, and charging current I=2 C, charge the battery to a different SOC end state (a) changes in voltage, current and temperature during relaxation Graph; (b) the relationship between differential voltage dV/dt and t; (c) the relationship between differential time dt/dV and V[16]