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dc.contributor.authorJung, Hwan Jung-
dc.contributor.authorKim, Yong-Jung-
dc.contributor.authorHan, Jong Hun-
dc.contributor.authorYudasaka, Masako-
dc.contributor.authorIijima, Sumio-
dc.contributor.authorKanoh, Hirofumi-
dc.contributor.authorKim, Yoong Ahm-
dc.contributor.authorKaneko, Katsumi-
dc.contributor.authorYang, Cheol-Min-
dc.date.accessioned2024-01-20T11:01:09Z-
dc.date.available2024-01-20T11:01:09Z-
dc.date.created2021-09-05-
dc.date.issued2013-12-12-
dc.identifier.issn1932-7447-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/127336-
dc.description.abstractWe investigated the importance of the specific effective surface area through a detailed study on the relationship between electrical conductivity of single-walled carbon nanohorns (SWCNHs) and accessibility of the electrolyte ions in the SWCNH-based supercapacitor. After heat treatment of the SWCNHs, the ratio of sp(2)/sp(3) carbons dramatically increased, suggesting an enhanced electrical conductivity of the SWCNHs. Even though the specific surface area (SSA) slightly decreased by 16% as a result of heat treatment, the specific capacitance per SSA of the SWCNH electrode remarkably increased from 22 to 47 mu F cm(-2). Such a result indicates an explicit increase in accessible effective surface area by electrolyte ions. Our result clearly showed that a higher degree of utilization for the interstitial pore of SWCNHs by solvated ions is a key factor in achieving a high volumetric capacitance of SWCNH-based supercapacitors.-
dc.languageEnglish-
dc.publisherAmerican Chemical Society-
dc.subjectCAPACITANCE-
dc.subjectPORE-
dc.subjectADSORPTION-
dc.subjectSIMULATION-
dc.subjectNANOTUBES-
dc.subjectELECTRODE-
dc.subjectSIZE-
dc.titleThermal-Treatment-Induced Enhancement in Effective Surface Area of Single-Walled Carbon Nanohorns for Supercapacitor Application-
dc.typeArticle-
dc.identifier.doi10.1021/jp405839z-
dc.description.journalClass1-
dc.identifier.bibliographicCitationThe Journal of Physical Chemistry C, v.117, no.49, pp.25877 - 25883-
dc.citation.titleThe Journal of Physical Chemistry C-
dc.citation.volume117-
dc.citation.number49-
dc.citation.startPage25877-
dc.citation.endPage25883-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000328529800001-
dc.identifier.scopusid2-s2.0-84890457114-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.type.docTypeArticle-
dc.subject.keywordPlusCAPACITANCE-
dc.subject.keywordPlusPORE-
dc.subject.keywordPlusADSORPTION-
dc.subject.keywordPlusSIMULATION-
dc.subject.keywordPlusNANOTUBES-
dc.subject.keywordPlusELECTRODE-
dc.subject.keywordPlusSIZE-
dc.subject.keywordAuthorSingle-Walled Carbon Nanohorn-
dc.subject.keywordAuthorSupercapacitor-
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KIST Article > 2013
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