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3 (a) 5颗不同尺寸和形状的石墨颗粒在0.1 C充电倍率下的颜色变化过程[33]；(b) 天然石墨单晶薄片在第一次嵌锂过程中的颜色变化过程[34]

Fig. 3 (a) Color change process of five graphite particles of different sizes and shapes at 0.1 C[33]; (b) color change of natural graphite single crystal flakes during the first lithium intercalation process[34]