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Macroporous Carbon Monoliths with Large Surface Area for Electric Double-Layer Capacitor

Published online by Cambridge University Press:  21 March 2011

George Hasegawa
Affiliation:
Department of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo-ku, Kyoto, 606-8502, Japan
Mami Aoki
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University Sakai, Osaka, 599-8531, Japan
Kazuyoshi Kanamori
Affiliation:
Department of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo-ku, Kyoto, 606-8502, Japan
Kazuki Nakanishi
Affiliation:
Department of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo-ku, Kyoto, 606-8502, Japan
Teiichi Hanada
Affiliation:
Department of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa, Sakyo-ku, Kyoto, 606-8502, Japan
Kiyoharu Tadanaga
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University Sakai, Osaka, 599-8531, Japan
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Abstract

Macro/meso/microporous carbon monoliths doped with sulfur have been prepared from sulfonated polydivinylbenzene networks followed by the activation with CO2 resulted in the activated carbon monoliths with high surface area of 2400 m2 g−1. The monolithic electrode of the activated carbon shows remarkably high specific capacitance (175 F g−1 at 5 mV s−1 and 206 F g−1 at 0.5 A g−1).

Type
Articles
Copyright
Copyright © Materials Research Society 2011

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References

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