废旧锂电池负极石墨失效机制及回收利用研究进展

蒋龙进, 张顺, 乔羽, 刘臣臻, 饶中浩

A review of failure mechanisms and anode graphite recycling from spent lithium-ion batteries

Longjin JIANG, Shun ZHANG, Yu QIAO, Chenzhen LIU, Zhonghao RAO

图3 锂离子电池充电过程示意图 (a) 在放电状态下开始充电[40]；(b) 完全充电状态[40]；(c) 锂化石墨的结构转化图(灰色为碳，绿色为锂)[41]

Fig. 3 Schematic of a charging process of a Li-ion battery, consisting of current collectors, anode, cathode, and separator (a) Onset of charging in the discharged state[40]; (b) Fully charged state[40]; (c) Illustration of the structural transformations in lithiated graphite (The gray and green spheres represent carbon and lithium, respectively)[41]