Table 1 Potentiodynamic polarization parameters for bare copper and coated copper by Ni, Ni-G, Ni-MA, and Ni-G-MA in 0.5 M NaCl solution.

From: Eco-friendly method for construction of superhydrophobic graphene-based coating on copper substrate and its corrosion resistance performance

Deposit

− Ecorr

(mV)

βa

− βc

icorr

(µA cm−2)

%P

mV decade−1

mV decade−1

Bare copper

111.1

42.1

186.2

12.91

Copper + Ni

124.7

48.7

177.4

5.01

61.2

Copper + Ni-G

136.2

77.3

166.8

3.79

70.6

Copper + Ni-MA

135.1

80.7

116.0

1.06

91.8

Copper + Ni-G-MA

134.8

89.3

227.8

0.93

92.8