Fig. 7

Cyclic voltammograms at (a) low and (b) high scan rates, (c) specific capacitance at different scan rate, (d, e) Galvanostatic charge/discharge plot at different current densities, (f) specific capacitance at different current densities, (g) Ragon plot, (h) cyclic stability, and (i) Nyquist plots of PPy-Cu2O-MoO3/GO/GFE supercapacitor device before and after cyclic stability.