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6 循环加速测试后电池的EIS测试及电池拆解后正负极的XRD和SEM观测结果(a) 3种电池的EIS测试结果；(b) 3种电池正极XRD测试结果; (c) 3种电池负极XRD测试结果; (d) 基准方案电池正极形貌；(e) 正极二元化电池正极形貌；(f) 负极二元化电池正极形貌；(g) 基准方案电池负极形貌；(h) 正极二元化电池负极形貌；(i) 负极二元化电池负极形貌

Fig. 6 EIS test of batteries after accelerated cycle test, XRD and SEM results of positive and negative electrodes after batteries disassembled (a) EIS test results of three kinds of batteries; (b) XRD test results of positive electrodes of three kinds of batteries; (c) XRD test results of negative electrodes of three kinds of batteries; (d) The anode morphology of the reference battery; (e) The anode morphology of the positive binary battery; (f) The anode morphology of the negative binary battery; (g) The cathode morphology of the reference battery; (h) The cathode morphology of the positive binary battery; (I) The cathode morphology of the negative binary battery