Application of Integer and Fractional Models in Electrochemical Systems

Figure 2

Polar and Nichols diagrams of 𝑍(𝑗𝜔) and the approximations 𝑍_app(𝑗𝜔) for 𝑖={2,4,5,6,13,14,15,16,17,18} of the electrical impedance of the Solanum tuberosum for 𝐽_𝑖𝐴 and 𝐽_𝑖𝐵, respectively.

(a)

(b)