Table 3. The fitted electrochemical parameters of the EIS results for E-Zn, EE-Zn and EAE-Zn coatings.

Specimens	R s Ω−1 cm−2	Q f		R f Ω cm2	Q dl		R ct Ω−1 cm−2
		Y c (Ω−1 cm−2 sn)	n		Y dl (Ω−1 cm−2 sn)	n
E-Zn	143	1.12 × 10−5	0.87	1.06 × 103	1.57 × 10−5	0.74	8.37 × 103
EE-Zn	147	2.07 × 10−6	0.89	4.39 × 104	4.84 × 10−6	0.71	9.31 × 105
EAE-Zn	151	1.81 × 10−7	0.92	6.91 × 105	2.72 × 10−7	0.70	1.12 × 107