Understanding the Li diffusion mechanism and positive effect of current collector volume expansion in anode free batteries
Zhuang Yan1, Zou Zheyi1, Lu Bo3, 4, Li Yajie1, Wang Da1, Avdeev Maxim5, 6, Shi Siqi1, 2, †
       

Schematic illustration of the charging process of (a) traditional lithium ion battery using graphite anode and LiCoO2 cathode material, and (b) anode free battery using metal M (M = Al, Cu, Sn, etc.) as current collector in combination with LiCoO2 cathode material.[8]