Abstract
The cyclic potential sweep method was applied to aniline electropolymerization on stainless steel electrode in three different concentrations of aqueous sulfuric acid solutions (0.5 M H2SO4, 1 M H2SO4 and 2 M H2SO4). The electrodeposited films of polyaniline were investigated and characterized using a simple cyclic voltammetry method to obtain information about the electrochemical properties of the deposited films. The polymerization of aniline on stainless steel via cyclic potential sweep method appears to be high in performance for protection of metal anodic in corrosive aqueous media. Also it was found that the corrosive tendency increases with increasing the concentration of the acid and decreases with increasing the cycle number. Chronoamperometry method was used to investigate the electrochemical properties of the electrodeposited film of polyaniline.
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