Fig. 6: Electrochemical performance of Zn electrodeposition at ultrahigh capacities on the Sb@Cu substrate. | Nature Communications

Fig. 6: Electrochemical performance of Zn electrodeposition at ultrahigh capacities on the Sb@Cu substrate.

From: Constructing robust heterostructured interface for anode-free zinc batteries with ultrahigh capacities

Fig. 6

a Charge and discharge curves of the Zn|Sb@Cu half-cells at different capacities with a constant current density of 20 mA cm−2 and a cut-off voltage of 0.5 V vs. Zn2+/Zn. b A summary of Zn-free electrodes for Zn plating/stripping in terms of areal capacity, current density, and accumulated capacity. c Digital photographs of Zn plating on Zn and Sb@Cu substrates at an areal capacity of 200 mAh cm−2. Asymmetric anode-free Zn–Br2 battery. d Digital photographs of the cathode and anode, where the battery has a carbon felt cathode of 20 cm2 and a Sb@Cu anode of 1 cm2 (CF represents carbon felt). e Discharge curve. f Cycling performance. The asymmetric anode-free Zn–Br2 battery was charged at 1.9 V to 200 mAh and discharged at 20 mA to 0.5 V. The electrochemical measurements of the half-cells and Zn-Br2 battery were carried out at room temperature (25 °C).

Back to article page