基于应力场的锂离子电池正极多尺度失效研究
陈莹1(
), 栾伟玲1(), 陈浩峰1,2(), 朱轩辰2
), 栾伟玲1(), 陈浩峰1,2(), 朱轩辰2
Multi-scale Failure Behavior of Cathode in Lithium-ion Batteries Based on Stress Field
CHEN Ying1(), LUAN Weiling1(), CHEN Haofeng1,2(), ZHU Xuanchen2
), LUAN Weiling1(), CHEN Haofeng1,2(), ZHU Xuanchen2
图5. 电化学循环后NCM横截面的SEM照片
Fig. 5. SEM images of NCM cathode after cyclic charging- discharging test
Different magnification SEM images showing the cracks in the big or small paticles
