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8. (a)厚度为20 μm的NCM活性层在载荷点(1,1)下的塑性应变范围和棘轮应变云图,(b)充放电循环实验前(左)和实验后(右)NCM正极照片[
Fig. 8. (a) Contour map of plastic strain range and ratcheting strain of NCM active layer of 20 µm thickness for load point (1,1) and (b) picture of NCM cathode before (left) and after (right) cyclic charging-discharging test[
