基于光学显微镜的锂离子电池材料老化衰减原位研究进展

姚逸鸣, 栾伟玲, 陈莹, 孙敏

Recent progress in aging degradation of lithium-ion battery materials via in-situ optical microscopy

Yiming YAO, Weiling LUAN, Ying CHEN, Min SUN

图8 Li岛形态演化过程[52](a) NMC和Li电极之间布置锂岛的示意图；(b) 充电阶段Li岛在初始状态(t=0 h)和中间状态(t=3 h)的光学显微镜图像；(c) 放电阶段Li岛在初始状态(t=0 h)和中间状态(t=3 h)的光学显微镜图像

Fig. 8 Morphological evolution of the i-Li island [52] (a) configuration of the optical cell with an i-Li island between the NMC and Li electrodes; (b) Li islands in the initial state (t=0 h) and intermediate states (t=3 h) during the charging phase h) optical microscope images; (c) optical microscope images of Li islands in the initial state (t=0 h) and intermediate state (t=3 h) during the discharge