Equivalent Circuits Applied in Electrochemical Impedance Spectroscopy and Fractional Derivatives with and without Singular Kernel

Figure 6

Nyquist and Bode diagram for the heterogeneous reaction model, Caputo-Fabrizio derivative approach, in (a) and (b): , , , , and for , , , and ; for (c) and (d), , , , , and for , , , and . The capacitor is considered ideal, .

(a)

(b)

(c)

(d)