Figure 4.

In situ optical microscopy analyses of the Li stripping and replating processes in the electrodes. a) The galvanostatic charge/discharge voltage profiles of bare Li and Li/Li₁₃Sn₅@CC electrode at 5 mA cm⁻² with a fixed capacity of 10 mAh cm⁻². The photographs of bare Li at different b–e) stripping and f–i) replating states. The photographs of Li/Li₁₃Sn₅@CC at different j–m) stripping and n–q) replating states.