Figure 4

(a) CV curves of the asymmetric device collected at various scan rates, (b) areal capacitance & specific capacitance of the asymmetric device calculated as a function of scan rate based on CV curves, (c) CP curves of the asymmetric device collected at different current densities & (d) areal capacitance & specific capacitance of the asymmetric device calculated as a function of current density based on CP curves.