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dc.creatorBabić, Biljana M.
dc.creatorKaluđerović, Branka V.
dc.creatorVracar, Lj.
dc.creatorKrstajic, N
dc.date.accessioned2018-03-01T19:30:38Z
dc.date.accessioned2023-01-16T13:29:05Z
dc.date.available2018-03-01T19:30:38Z
dc.date.available2023-01-16T13:29:05Z
dc.date.issued2004
dc.identifier.issn0008-6223
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/5409
dc.description.abstractResorcinol-formaldehyde (RF) cryogels were synthesized by sol-gel polycondensation of resorcinol with formaldehyde and freeze-drying was carried out with t-butanol. Carbon cryogels were obtained by pyrolyzing RF cryogels in an inert atmosphere. Characterization by nitrogen adsorption showed that carbon cryogels were micro and mesoporous materials with high surface areas (500 m(2)/g LT S-BET LT 750 m(2)/g). Cyclic voltammetry experiments at various scan rates (2-200 mV s(-1)) have been performed to study the electrical double-layer charging of carbon cryogel electrodes in 0.5 mol dm(-3) HClO4 solution. It has been demonstrated that it is possible to divide further total specific capacitance into mesoporous and microporous specific capacitance by analyzing the linear dependence of the specific capacitance (C) on the reciprocal of the square root of the potential scan rate (v(-1/2)), and linear dependence of the reciprocal specific charge (1/C) on the square root of the potential scan rate (v(1/2)). (C) 2004 Elsevier Ltd. All rights reserved.en
dc.rightsrestrictedAccessen
dc.sourceCarbonen
dc.subjectporous carbonen
dc.subjectcarbonizationen
dc.subjectBET surface areaen
dc.subjectelectrochemical propertiesen
dc.subjectporosityen
dc.titleCharacterization of carbon cryogel synthesized by sol-gel polycondensation and freeze-dryingen
dc.typearticleen
dc.rights.licenseARR
dc.citation.epage2624
dc.citation.epageARR
dc.citation.issue12-13
dc.citation.rankM21a
dc.citation.spage2617
dc.citation.volume42
dc.identifier.doi10.1016/j.carbon.2004.05.046
dc.identifier.scopus2-s2.0-4043123944
dc.identifier.wos000223753200032
dc.type.versionpublishedVersion


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