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3. 直径为3 μm颗粒在电流密度0.37 A/m2下裂纹萌生扩展过程[
Fig. 3. Crack initiation and propagation of active particle of diameter of 3 μm under the current density of 0.37 A/m2[
(a) Lithiation process; (b) Delithiation process. The variable STATUSXFEM presents the status of element, and it varies 0 (non-damage status) or 1 (completely cracked)
