Generalized and feasible strategy to prepare ultra-porous, low density, compressible carbon nanoparticle sponges

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dc.contributor.authorCheong, Jun Youngko
dc.contributor.authorBenker, Lotharko
dc.contributor.authorZhu, Jianko
dc.contributor.authorYoun, Doo-Youngko
dc.contributor.authorHou, Haoqingko
dc.contributor.authorAgarwal, Seemako
dc.contributor.authorKim, Il-Dooko
dc.contributor.authorGreiner, Andreasko
dc.date.accessioned2019-10-22T06:20:07Z-
dc.date.available2019-10-22T06:20:07Z-
dc.date.created2019-10-22-
dc.date.issued2019-12-
dc.identifier.citationCARBON, v.154, pp.363 - 369-
dc.identifier.issn0008-6223-
dc.identifier.urihttp://hdl.handle.net/10203/268027-
dc.description.abstractFor the last two decades, nanostructured carbon materials have attracted significant attention, as they exhibit unusual physicochemical properties different from their bulk counterpart. Nevertheless, agglomeration and re-stacking of carbon nanostructures have always limited optimal performance, with larger loading amount. To solve this issue, porous and compressible carbon-based sponges have been researched, but most of the previously suggested carbon foams were either not very porous, synthesized at high temperature heat treatment, and/or not applicable for carbon nanoparticles. In this work, we have successfully fabricated ultra-porous (porosity about 98-99%), polyimide-carbon nanoparticle (PI-C) composites by combining Ketjen black nanoparticles with PI short fibers, by simple freeze-drying and subsequent heat treatments at low temperature (240 degrees C). Based on the analysis, it has been discovered that the fabricated PI-C sponges not only exhibit highly robust mechanical properties but also retain low thermal conductivity even in comparison with pristine PI sponges. This work provides a milestone in fabricating a number of C-electrospun polymeric sponges by freeze drying and subsequent heat treatments, which are expected to be utilized in various fields of research. (C) 2019 Published by Elsevier Ltd.-
dc.languageEnglish-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.titleGeneralized and feasible strategy to prepare ultra-porous, low density, compressible carbon nanoparticle sponges-
dc.typeArticle-
dc.identifier.wosid000488203600042-
dc.identifier.scopusid2-s2.0-85070679233-
dc.type.rimsART-
dc.citation.volume154-
dc.citation.beginningpage363-
dc.citation.endingpage369-
dc.citation.publicationnameCARBON-
dc.identifier.doi10.1016/j.carbon.2019.08.021-
dc.contributor.localauthorKim, Il-Doo-
dc.contributor.nonIdAuthorBenker, Lothar-
dc.contributor.nonIdAuthorZhu, Jian-
dc.contributor.nonIdAuthorHou, Haoqing-
dc.contributor.nonIdAuthorAgarwal, Seema-
dc.contributor.nonIdAuthorGreiner, Andreas-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCarbon-
dc.subject.keywordAuthorPolyimide-
dc.subject.keywordAuthorElectrospun sponges-
dc.subject.keywordAuthorElectrospinning-
dc.subject.keywordAuthorFreeze drying-
dc.subject.keywordPlusNANOSTRUCTURED CARBON-
dc.subject.keywordPlusNANOCOMPOSITE FOAM-
dc.subject.keywordPlusELECTROCATALYSTS-
dc.subject.keywordPlusLIGHTWEIGHT-
dc.subject.keywordPlusSTRAIN-
dc.subject.keywordPlusENERGY-
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