Table 4.

Estimated parameters of equivalent circuit model for each electrode measured in 10 mM potassium ferri-ferrocyanide + 0.1 M KCl.

	RS [Ω]	R CT [Ω]	Cdl [F]	W [Ωs−1/2]	R NL [Ω]
Circle	1666 ± 14	2.076 ± 0.017 × 106	1.232 ± 0.805 × 10−8	3.459 ± 0.218 × 106	10.040 ±1.431 × 105
Fractal	475 ± 10	0.762 ± 0.147 × 106	5.009 ± 1.147 × 10−8	0.131 ± 0.042 × 106	4.672 ± 1.466 × 105
Serpentine I	723 ± 64	1.367 ± 0.140 × 106	2.940 ± 0.136 × 10−8	2.431 ± 0.173 × 106	6.816 ± 0.029 × 105
Serpentine II	550 ± 40	1.053 ± 0.551 × 106	1.606 ± 0.101 × 10−8	1.532 ± 0.623 × 106	5.675 ± 0.367 × 105