储能锂离子电池多层级失效机理及分析技术综述

王怡, 陈学兵, 王愿习, 郑杰允, 刘啸嵩, 李泓

Overview of multi-level failure mechanism and analysis technology of energy storage lithium ion battery

Yi WANG, Xuebing CHEN, Yuanxi WANG, Jieyun ZHENG, Xiaosong LIU, Hong LI

图1 老化后磷酸铁锂正极片截面SEM：（a）活性材料，（b）集流体与涂层界面[12]

Fig. 1 SEM cross-section of lithium iron phosphate positive electrode after aging: (a) active material, (b) aluminum and cathode interface[12]