Abstract
Conducting organic polymers have applications into energy storage devices such as electrochemical supercapacitors. We deposited Polyaniline (PANI) films using electrodeposition under direct and pulse potentiometry. In this study we describe the effects of electrodeposition mode on the capacitance of PANI films. The electrodeposition of PANI films on fluorine doped tin oxide (FTO) glass substrate was released by direct (FTO/PANI-D) and pulse (FTO/PANI-P) potentiometry technics using an electrolytic solution containing 0.3M of aniline in 1M H 2 SO 4 for 300 s period of time. All prepared films are characterized by UV-visible spectroscopy. The electrochemical performances were evaluated by cyclic voltammetry, galvanostatic charge-discharge tests and electrochemical impedance spectroscopy (EIS). The obtained specific capacitance for the FTO/PANI-D material alone is about 430.38 Fg -1 this value was increased up to 454.59 Fg -1 for the film FTO/PANI-P at 5 mVs -1 .
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