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Electrosynthesis and capacitive performance of polyaniline–polypyrrole composite

Identifieur interne : 000330 ( Main/Exploration ); précédent : 000329; suivant : 000331

Electrosynthesis and capacitive performance of polyaniline–polypyrrole composite

Auteurs : Ai-Qin Zhang [République populaire de Chine] ; Yong Zhang [République populaire de Chine] ; Li-Zhen Wang [République populaire de Chine] ; Xiao-Feng Li [République populaire de Chine]

Source :

RBID : ISTEX:CA19ADA19E271AB2740757C19BD3E36F12D65493

Abstract

The composite of polyaniline and polypyrrole (PPY‐PANI) was prepared by two‐step electrochemical polymerization method. Techniques of scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and thermal gravity analysis (TG/DTG) measurements were used to characterize the morphology and structure of the composite. The electrochemical properties of the composite were investigated by cyclic voltammetry (CV), galvanostatic charge‐discharge, and electrochemical impedance spectroscopy (EIS). The results indicated that the polyaniline–polypyrrole composite showed better electrochemical capacitive performance than polypyrrole (PPY) and polyaniline (PANI). The specific capacitance of the composite electrode was 523 F/g at a current of 6 mA/cm2 in 0.5 M H2SO4 electrolyte. POLYM. COMPOS., 2011. © 2010 Society of Plastics Engineers

Url:
DOI: 10.1002/pc.20983


Affiliations:


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<div type="abstract" xml:lang="en">The composite of polyaniline and polypyrrole (PPY‐PANI) was prepared by two‐step electrochemical polymerization method. Techniques of scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and thermal gravity analysis (TG/DTG) measurements were used to characterize the morphology and structure of the composite. The electrochemical properties of the composite were investigated by cyclic voltammetry (CV), galvanostatic charge‐discharge, and electrochemical impedance spectroscopy (EIS). The results indicated that the polyaniline–polypyrrole composite showed better electrochemical capacitive performance than polypyrrole (PPY) and polyaniline (PANI). The specific capacitance of the composite electrode was 523 F/g at a current of 6 mA/cm2 in 0.5 M H2SO4 electrolyte. POLYM. COMPOS., 2011. © 2010 Society of Plastics Engineers</div>
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