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The volumetric capacitance of microporous carbons in organic electrolyte

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Abstract.
The study of 26 microporous carbons with average pore widths Lo between 0.7 and 1.8 nm shows that the
volume-related capacitance Cmi (F cm−3) in the organic electrolyte (C2H5)4NBF4/acetonitrile is an inverse
function of the average micropore width Lo. This means that for a given micropore volumeWo, the gravimetric
capacitance C (F g−1) is larger for carbons with smaller pores due to the higher surface to volume ratio.
Furthermore, the increase of Cmi (F cm−3) in smaller pores suggests that the surface-related capacitance
C (Fm−2) should be relatively constant in slit-shaped micropores. This has important technological consequences
for the design of carbon-based supercapacitors.

Keywords:
Supercapacitor
Volumetric capacitance
Surface capacitance
Carbon
Porosity

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Ketersediaan

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Informasi Detail

Judul Seri

Electrochemistry Communications

No. Panggil

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Penerbit

New York : Elsevier B.V.., 2012

Deskripsi Fisik

Electrochemistry Communications 16 (2012) 34–36

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

16 (2012)

Subjek

KAPASITOR ELEKTROKIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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