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Electrochemical and capacitive properties of polyaniline-implanted porous carbon electrode for supercapacitors

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Abstract
Composite electrodes for supercapacitors were prepared by electropolymerization of polyaniline (PANI) on the surface of activated-porous carbons. The surface morphology and the chemical composition of composite electrodes were characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The electrochemical properties of electrodes and the capacitive behavior of the resulting capacitors were systematically studied using cyclic voltammetry (CV), ac impedance and constant current charge–discharge tests. The specific capacitance of PANI-carbon composite electrode was exhibited as high as 160 F/g, in comparison with a value of 95 F/g for the barecarbon (BC) electrode. An increase in capacitance more than 60% has been achieved, that identifies the significant contribution of
pseudocapacitance from PANI on the overall capacitance.

Keywords: Supercapacitor; Polyaniline; Porous carbons; Pseudocapacitance

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Ketersediaan

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Informasi Detail

Judul Seri

Journal of Power Sources

No. Panggil

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Penerbit

: Elsevier Science B.V. All rights reserved., 2003

Deskripsi Fisik

Journal of Power Sources 117 (2003) 273–282

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

yuli/agus

Versi lain/terkait

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