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Diagram of the equivalent circuit for a damaged coating. Counter electrode current (Ice), reference electrode (Re), working electrode (We), ground electrode (GNDe), circuit impedance (Z), resistance of the electrolyte solution (Rs), the pore resistance (Rpore), the charge transfer resistance (Rct), the constant phase elements of the coating (ZCPE coating), and the constant phase elements of the doble layer (ZCPE dl).
