Fig. 3: The real-time reconstructed protective interphase regenerated in each cycle.
From: Self-repairing interphase reconstructed in each cycle for highly reversible aqueous zinc batteries
High-resolution XPS analyzation of the a C1s, and b N1s peaks obtained from the Zn anode after 15th stripping/plating process under the current density of 1 mA cm-2 and capacity of 1 mAh cm−2 in 2 M ZnSO4 + 0.5 mg mL−1 C3N4QDs electrolyte (top spectrum) and 2 M ZnSO4 electrolyte (bottom spectrum); c, d the XPS depth profiles of the Zn anode after 15th stripping/plating process in 2 M ZnSO4 + 0.5 mg mL−1 C3N4QDs electrolyte; e in situ fluorescence microscopy images of Zn electrode during Zn plating/stripping process under 2 M ZnSO4 + 0.5 mg mL−1 C3N4QDs electrolyte, the scale bar is 50 µm; Schematic diagram of f real-time dynamic protective and g interface coating mechanism.
