Template Synthesis of Activated Carbon for Supercapacitor

Abstract:

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Activated carbon was fabricated by using phenolic resin as carbon source, tween-80 as organic template, KOH as activator. The samples were analyzed by N2 adsorption, scanning electron microscopy (SEM). Cyclic voltammetry and galvanostatic charge-discharge were used to characterize the electrochemical performance of the samples. The results showed that specific surface area of the prepared sample was 1935.99 m2/g, pore size was mainly in the range of 1.0~4.0 nm and showed typical capacitance characteristics in cyclic voltammetry. At a current density of 15mA/cm2, a specific capacitance of 246.18F/g was achieved and the resistance was 1.11Ω. Supercapacitors based on the sample had low ESR and excellent power property.

Info:

Periodical:

Materials Science Forum (Volumes 663-665)

Edited by:

Yuan Ming Huang

Pages:

568-571

DOI:

10.4028/www.scientific.net/MSF.663-665.568

Citation:

R. Q. Wang et al., "Template Synthesis of Activated Carbon for Supercapacitor", Materials Science Forum, Vols. 663-665, pp. 568-571, 2011

Online since:

November 2010

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Price:

$35.00

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