An Electrochemical Synthesis of Reduced Graphene Oxide/Zinc Nanocomposite Coating through Pulse-Potential Electrodeposition Technique and the Consequent Corrosion Resistance

Figure 11

(a) Polarization curves of rGO-Zn coating, bare steel, galvanized steel, and rGO coating after immersion in 3.5 wt.% NaCl solution for 1 h at scan rate 1 mV/s; (b) Tafel extrapolation on the polarization plot of rGO-Zn coating for determination of corrosion current and Tafel slopes.

(a)

(b)