Fig. 4.

The electrochemical performance of the quasi-solid-state flexible ASC. a Schematic illustration of the assembled ASC. b CV curves of the cathode and anode at 5 mV s⁻¹. c CV curves at various voltage windows at 5 mV s⁻¹. d CV curves at different scan rates from 5 to 80 mV s⁻¹. e CV curves and capacitance retentions at different bending angles. f GCD profiles at different current densities from 2 to 15 mA cm⁻². g Areal and volumetric capacitances at different current densities. h Cycling stability at 15 mA cm⁻² upon 10,000 cycles. Insets: five LEDs and a temperature/humidity indicator powered by the ASC device