Fig. 2: Electrochemical energy storage properties of the EC part of mp-SC.
From: Moisture-enabled self-charging and voltage stabilizing supercapacitor
Photomicrograph (a) and SEM images (b, c) of the laser-reduced rGO microelectrodes. d CV curves of the EC part of mp-SC at scan rates of 10 mV s–1, 20 mV s–1, 50 mV s–1, and 100 mV s–1. e Areal capacitance versus scan rate of the EC at scan rates between 10 and 500 mV s–1. f Galvanostatic charge/discharge curves at different current densities. g Electrochemical impedance spectroscopy analysis of the EC part of mp-SC, the inset shows the high-frequency region of the EC. h CV curves of the EC part of mp-SC under normal and bent conditions, inserted optical images show the EC at different bending angles. i Cycling stability and Coulombic efficiency of the EC after 12,000 charge-discharge cycles.
