Table 2.

Mean values (μ) and their standard deviations (σ) of several fitted parameters obtained by curve fitting to Nyquist plots of the tested samples.

Sample	Rs (Ω·cm2)		Qdl (×10−4 F·cm−2·sn−1)		Rct (Ω·cm2)		n
	μ	σ	μ	σ	μ	σ	μ	σ
WQ	27.45	1.18	9.826 × 10−4	1.02 × 10−5	3820	23.2	0.7631	0.012
FC	20.24	0.84	1.123 × 10−3	9.75 × 10−6	2150	21.6	0.7343	0.018