Table 3.

Summary of the results of the analysis of the impedance measurements in Figure 6. The errors reported are obtained from the impedance fitting and propagation of experimental errors.

Electrode	R s [Ω]	CPE‐T [F sP−1]	CPE‐P	R ct [Ω]	Wo‐R [Ω]	Wo‐T [s]	Wo‐P	Porosity [%]	MacMullin number	Tortuosity
thin ≈60 μm	111.2±0.2	(6.5±2.1)×10−5	0.955±0.042	11.6±0.5	47.9±1.8	0.160±0.007	0.484±0.005	81±6	4.0±0.3	3.2±0.4
medium ≈120 μm	100.6±0.1	(8.4±1.9)×10−5	0.982±0.031	10.8±0.3	114.7±1.5	0.707±0.011	0.479±0.001	82±3	4.8±0.2	3.9±0.2
thick ≈190 μm	109.1±0.3	(1.02±0.45)×10−4	0.909±0.060	12.0±0.7	173.8±3.6	0.730±0.018	0.466±0.001	88±2	4.6±0.2	4.1±0.2