Table 2.

Optimum fit parameters of the coatings after 30 days of immersion.

Sample	Rs (Ω·cm2)	Ccoat (Ω−1·cm−2·sn)	Rcoat (Ω·cm2)	Cdl (Ω−1·cm−2·sn)	Rct (Ω·cm2)
PANI/Gr0-ZRPs	0.253	1.36 × 10−4	653	3.12 × 10−4	7790
PANI/Gr0.4-ZRPs	0.575	8.38 × 10−4	7030	7.38 × 10−4	5960
PANI/Gr0.6-ZRPs	0.842	4.85 × 10−5	79200	9.64 × 10−4	2280
PANI/Gr0.8-ZRPs	0.734	1.13 × 10−3	31400	4.37 × 10−4	1820