Electrochemical behavior of polyaniline in chloride/citrate electrolyte
Gvozdenović, Milica M.
Stevanović, Jasmina S.
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Polyaniline electrode, was obtained by electrochemical polymerization at constant current density of 2.0 mA cm-2 from aqueous solution of 1.0 mol dm-3 HCl containing 0.25 mol dm-3 aniline. Electrochemical characterization of the polyaniline electrode in chloride and chloride/citrate electrolyte, for different anodic potential limits, was performed using cyclic voltammetry and galvanostatic measurements. It was observed that for anodic potential 0.32 V, higher electrode capacity in chloride/citrate was obtained. For anodic potential limit of 0.50 V, faster decrease of the electrode capacity in chloride/citrate electrolyte was also observed. It was suggested that influence of both chloride and citrate anions has to be taken into account.
Keywords:polyaniline / chloride and citrate electrolyte / polymers / electrochemical techniques / electrochemical properties
Source:Proceedings of the 38th International Conference of Slovak Society of Chemical Engineering, 2011, 963-967
- Tatranské Matliare : Slovak Society of Chemical Engineering
- Electrochemical synthesis and characterization of nanostructured functional materials for application in new technologies (RS-172046)