e-journal

A doped activated carbon prepared from polyaniline for high performance supercapacitors

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a b s t r a c t
A novel doped activated carbon has been prepared from H2SO4-doped polyaniline which is prepared by
the oxypolymerization of aniline. The morphology, surface chemical composition and surface area of the
carbon have been investigated by scanning electron microscope, X-ray photoelectron spectroscopy and
Brunaner–Emmett–Teller measurement, respectively. Electrochemical properties of the doped activated
carbon have been studied by cyclic voltammograms, galvanostatic charge/discharge, and electrochemical
impedance spectroscopy measurements in 6 mol l−1 KOH. The specific capacitance of the carbon is as high
as 235 F g−1, the specific capacitance hardly decreases at a high current density 11Ag−1 after 10,000 cycles, which indicates that the carbon possesses excellent cycle durability and may be a promising candidate for supercapacitors.
Keywords: Supercapacitor, Polyaniline, Doped activated carbon, X-ray photoelectron spectroscopy
Electrochemical properties

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Informasi Detail

Judul Seri

Journal of Power Sources

No. Panggil

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Penerbit

: Elsevier B.V. All rights reserved.., 2009

Deskripsi Fisik

Journal of Power Sources 195 (2010) 1516–1521

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

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