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Effects of the functional groups on the electrochemical properties of ordered porous carbon for supercapacitors

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Abstract.
Ordered porous carbon with pore size of 80 nm (C80) was treated in concentrated nitric acid to investigate
the effect of the functional groups on the electrochemical properties in supercapacitors. The optimum
oxidation time for C80 with good supercapacitive performance in acidic and basic electrolytes was
determined. The increase of nitrogen and oxygen groups in the surface results in the improvement of
wettability. Though the decreased specific surface area, a remarkable increase in the specific capacitance
was observed in the as-modified C80 due to the introduction of the nitrogen and oxygen functional
groups. The modification of C80 via oxidation approach demonstrates an effective way to improve the
wettability and electrochemical properties.

Keywords:
Porous carbon
Supercapacitor
Surface chemistry
Wettability
Surface modification

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Ketersediaan

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Informasi Detail

Judul Seri

Electrochimica Acta

No. Panggil

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Penerbit

New York : Elsevier Ltd.., 2013

Deskripsi Fisik

Electrochimica Acta 105 (2013) 299– 304

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

105 (2013)

Subjek

PSEUDOKAPASITOR

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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