锂离子电池加速循环测试研究

韩江浩, 王晓丹, 李奇松, 李慧芳, 王睿, 许刚

Research on accelerated cycle test of lithium-ion batteries

Jianghao HAN, Xiaodan WANG, Qisong LI, Huifang LI, Rui WANG, Gang XU

图5 电池在加速循环过程中的瞬时及弛豫阻抗增长率对比(a) 充电过程的瞬时阻抗增长率；(b) 放电过程的瞬时阻抗增长率；(c) 充电过程的弛豫阻抗增长率；(d) 放电过程的弛豫阻抗增长率

Fig. 5 Comparison of the instantaneous and relaxation impedance growth rate of the battery during the accelerated cycle (a) the instantaneous impedance growth rate during the charging process; (b) the instantaneous impedance growth rate in the discharge process; (c) the growth rate of relaxation impedance in the charging process; (d) the growth rate of relaxation impedance in the discharge process