Figure 1

(a) Nyquist representation of impedance and (b) Bode diagrams for the NEC and PS EDLCs. Plots and parameters using complex nonlinear least-squares fitting to Rs–CPE(Q, α) model are also shown.

(a) Nyquist representation of impedance and (b) Bode diagrams for the NEC and PS EDLCs. Plots and parameters using complex nonlinear least-squares fitting to Rs–CPE(Q, α) model are also shown.