Fig. 3. Correlation between the surface state of Li foil and the potential profile in the first cycle.
a Galvanostatic charge-discharge voltage profiles of the pristine (black) and naked (red) Li-Li symmetric cells in the first cycle. Schematic illustrations of electrode morphology at different points in the first galvanostatic charge-discharge cycle: b the pristine Li foil and c the naked Li foil. The current density and areal capacity are 1 mA cm−2 and 1 mAh cm−2, respectively.
