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- In relation to this article, we declare that there is no conflict of interest.
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Received January 6, 2005
Accepted May 11, 2005
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Copyright © KIChE. All rights reserved.
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Nanoporous Phloroglucinol-Formaldehyde Carbon Aerogels for Electrochemical Use
Clean Technology Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 136-791, Korea
djsuh@kist.re.kr
Korean Journal of Chemical Engineering, September 2005, 22(5), 740-744(5), 10.1007/BF02705792
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Abstract
Phloroglucinol-Formaldehyde (PF) organic aerogels were prepared from alcoholic sol-gel polycondensation of phloroglucinol with formaldehyde using KOH as base catalyst and followed by supercritical drying with carbon dioxide. Subsequent pyrolysis of PF organic aerogel under He flow produced carbon aerogels. Textural properties of PF organic and carbon aerogels were obtained by nitrogen adsorption-desorption, and their specific capacitances were measured by cyclic voltammetry. The resultant PF carbon aerogels were mostly mesoporous material with high surface area. The nanoporous structure and electrochemical behavior of PF carbon aerogels could be controlled by the molar ratio of phloroglucinol to catalyst (P/C) and carbonization conditions. PF carbon aerogels exhibited the highest surface area in excess of 1,200 m2/g and specific capacitance up to 250 F/g in comparison to other carbons.
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Zhang SQ, Wang J, Shen J, Deng ZS, Lai ZQ, Zhou B, Attia SM, Chen LY, Nanostruct. Mater., 11, 375 (1999)
