fig5

Figure 5. Electrochemical characteristics of the flexible supercapacitor based on the C-3 electrode: (A) CV curves at various applied voltages for optimization of the voltage window; (B) CV curves at different scan rates; (C) GCD curves at different current densities; (D) Coulombic efficiency and cycling performance; (E) Nyquist plots and fitting curves before and after 8,000 GCD cycles; (F) Ragone plot. CV: Cyclic voltammetry; GCD: galvanostatic charge-discharge.