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Capacitive performance of an ultralong aligned carbon nanotube electrode in an ionic liquid at 60 oC

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Abstract.
An ultralong (1.0 mm) aligned carbon nanotube (ACNT) electrode was fabricated by a cut/
paste method. The electrode retains the intrinsic properties, including robust mechanical
property, high surface area, and regular pore structure, of individual nanotubes. Electrochemical
properties of the ACNT electrode in an ionic liquid (IL) electrolyte were studied
by cyclic voltammetry, galvanostatic charge/discharge, and ac impedance spectroscopy.
The ACNT electrode achieved a specific capacitance of 27 F/g, had excellent rate capability,
and a long cycle life at 60 oC, indicating that an ACNT electrode/IL electrolyte electrochemical
double layer capacitor is promising for high temperature (60 oC) applications. The
capacitive performance of ACNT electrode is excellent, because it possesses large pores
and regular pore structures, which is revealed by N2 adsorption and scanning electron
microscopy.

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Ketersediaan

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Informasi Detail

Judul Seri

C A R B ON

No. Panggil

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Penerbit

London : Elsevier Ltd.., 2008

Deskripsi Fisik

C A R B ON 4 6 ( 2 0 0 8 ) 3 0 –3 4

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

agus

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