Electrodeposited Reduced Graphene Oxide Films on Stainless Steel, Copper, and Aluminum for Corrosion Protection Enhancement

Table 2

The calculated thermodynamic functions, , , , and , for the corrosion process of the uncoated and reduced GO coated SS, Cu, and Al in seawater.

System in 3.5% NaCL	kJ·mol^−1	kJ·mol^−1	J·mol^−1	(kJ·mol^−1)
				20	30	40	50
Uncoated SS	21.217	−18.66	−154.16	26.500	28.002	29.604	31.146
G-coated SS	67.264	−64.708	−19.35	59.03	58.844	58.65	58.45
Uncoated Cu	30.236	−19.430	−151.75	25.032	26.550	28.067	29.585
G-coated Cu	19.405	−27.679	−134.71	11.791	13.138	14.485	15.832
Uncoated Al	11.901	−9.343	−167.52	58.426	60.101	61.776	63.451
G-coated Al	8.561	−6.004	−187.12	60.830	62.701	64.572	66.443