Figure 6

Cyclic voltammograms, charge discharge curves, and specific capacitance of NCONAs. (a) Cyclic voltammograms of NCONAs at different scan rates. (b) Cyclic voltammograms of the different electrode materials at 20 mV s^-1. (c) Charge discharge curves of NCONAs at various current densities. (d) Current density dependence of the areal capacitance (right) and specific capacitance (left) of NCONAs.