Fig. 5: EIS measurements in 5 mM H2SO4 solution.

a Nyquist plots, b Bode plots, c, d the variation of fit resistance and capacitance, the standard deviations (error bars) of the three tests for Q1, Q2, R1, R2.
a Nyquist plots, b Bode plots, c, d the variation of fit resistance and capacitance, the standard deviations (error bars) of the three tests for Q1, Q2, R1, R2.