Figure 17
From: A sustainable bio-based char as emerging electrode material for energy storage applications

Electrical equivalent circuit for HyBS sample at optimum potential, 600 mV, used for fitting of EIS measurements. This schematic electrical circuit is proposed to simulate the interface between the HySB sample and the electrolyte at the optimum potential. It consists of a resistor RS (representing the solution resistance) in series with a parallel assembly of R1 (polarization resistance) and CPE1 (constant phase element).