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Room-temperature hydrogen storage via two-dimensional potential well in mesoporous graphene oxide

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dc.contributor.authorTae Hyung Kim-
dc.contributor.authorBae J.-
dc.contributor.authorTae Hoon Lee-
dc.contributor.authorHwang J.-
dc.contributor.authorJung J.H.-
dc.contributor.authorKim D.K.-
dc.contributor.authorLee J.S.-
dc.contributor.authorKim D.O.-
dc.contributor.authorYoung Hee Lee-
dc.contributor.authorIhm J.-
dc.date.available2016-10-06T06:35:15Z-
dc.date.created2016-08-19-
dc.date.issued2016-09-
dc.identifier.issn2211-2855-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2789-
dc.description.abstractHydrogen is an excellent energy carrier free of carbon dioxide emission, but safe and efficient storage of hydrogen has been a bottleneck for the commercial use of hydrogen as a fuel. Here, we present a strategy based on simple thermodynamic principles that the density of a gas residing in a potential well increases exponentially relative to the ambient gas by the corresponding Boltzmann factor. This mechanism allows for enormously enhanced H2 storage in the form of delocalized gas permeating throughout the void space of a material, in contrast to conventional storage localized to specific adsorption sites. We create mesoporous graphene oxide that provides a two-dimensional potential well and efficient hydrogen diffusion pathways. The gravimetric storage density measured with quartz-crystal microbalance reaches 4.65 wt% reproducibly at a modest pressure of 40 atm at room temperature. Our work demonstrates the attainability of the long-standing goal of room-temperature hydrogen storage. © 2016 Elsevier Lt-
dc.description.uri1-
dc.language영어-
dc.publisherElsevier BV-
dc.subjectGrapheme-
dc.subjectHydrogen storage-
dc.subjectPotassium-
dc.subjectPotential well-
dc.subjectQuartz crystal micro balance-
dc.titleRoom-temperature hydrogen storage via two-dimensional potential well in mesoporous graphene oxide-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000384910500044-
dc.identifier.scopusid2-s2.0-84980343822-
dc.identifier.rimsid56268ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorTae Hyung Kim-
dc.contributor.affiliatedAuthorTae Hoon Lee-
dc.contributor.affiliatedAuthorYoung Hee Lee-
dc.identifier.doi10.1016/j.nanoen.2016.07.027-
dc.identifier.bibliographicCitationNANO ENERGY, v.27, pp.402 - 411-
dc.citation.titleNANO ENERGY-
dc.citation.volume27-
dc.citation.startPage402-
dc.citation.endPage411-
dc.date.scptcdate2018-10-01-
dc.description.wostc9-
dc.description.scptc12-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusMETAL-ORGANIC FRAMEWORKS-
dc.subject.keywordPlusNITROGEN-DOPED GRAPHENE-
dc.subject.keywordPlusWALLED CARBON NANOTUBES-
dc.subject.keywordPlusACTIVATED CARBONS-
dc.subject.keywordPlusPOROUS GRAPHENE-
dc.subject.keywordPlusADSORPTION-
dc.subject.keywordPlusCAPACITY-
dc.subject.keywordPlusCOMPOSITES-
dc.subject.keywordPlusSPILLOVER-
dc.subject.keywordPlusBINDING-
dc.subject.keywordAuthorGrapheme-
dc.subject.keywordAuthorHydrogen storage-
dc.subject.keywordAuthorPotassium-
dc.subject.keywordAuthorPotential well-
dc.subject.keywordAuthorQuartz crystal micro balance-
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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