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나노구조물리연구단
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Prevention of sulfur diffusion using MoS2-intercalated 3D-nanostructured graphite for high-performance lithium-ion batteries

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dc.contributor.authorAnand P. Tiwari-
dc.contributor.authorHeeJoun Yoo-
dc.contributor.authorJeongTaik Lee-
dc.contributor.authorDoyoung Kim-
dc.contributor.authorJong Hyeok Park-
dc.contributor.authorHyoyoung Lee-
dc.date.available2016-01-07T09:12:27Z-
dc.date.created2015-10-14-
dc.date.issued2015-07-
dc.identifier.issn2040-3364-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/1967-
dc.description.abstractWe report new three-dimensional (3D)-nanostructured MoS2- carbonaceous materials in which MoS2 sheets are intercalated between the graphite layers that possess a multiply repeated graphite/MoS2/graphite structure which prevents the aggregation of MoS2 and diffusion of sulfur from carbonaceous materials, enhancing the cycling stability of Li-ion batteries. We developed an efficient and scalable process applicable to mass production for synthesizing non-aggregated MoS2-intercalated 3D hybrid-nanostructured graphite based on stress induced and microwave irradiation. X-ray diffraction, X-ray photospectroscopy, Raman spectroscopy, field emission scanning electron microscopy, and high-resolution transmission electron microscopy analyses demonstrated that the as-synthesized materials consisted of MoS2- intercalated 3D hybrid-nanostructured graphite platelets that had a multiply repeated graphite/MoS2/graphite structure. The obtained MoS2–graphite powder surpasses MoS2 as an anode material in terms of specific capacity, cyclic stability, and rate performances at high current densities for Li-ion batteries. The electrochemical impedance spectroscopy demonstrated that the graphite sheets not only reduced the contact resistance in the electrode but also facilitated electron transfer in the lithiation/ delithiation processes. The superior electrochemical performances especially for the cycling stability of the Li-ion battery originate from prevention of the sulfur diffusion of the MoS2-intercalated 3D-nanostructured graphite.-
dc.language영어-
dc.publisherROYAL SOC CHEMISTRY-
dc.titlePrevention of sulfur diffusion using MoS2-intercalated 3D-nanostructured graphite for high-performance lithium-ion batteries-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000357805700011-
dc.identifier.scopusid2-s2.0-84936937028-
dc.identifier.rimsid21382ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorAnand P. Tiwari-
dc.contributor.affiliatedAuthorHyoyoung Lee-
dc.identifier.doi10.1039/c5nr03111g-
dc.identifier.bibliographicCitationNANOSCALE, v.7, no.28, pp.11928 - 11933-
dc.relation.isPartOfNANOSCALE-
dc.citation.titleNANOSCALE-
dc.citation.volume7-
dc.citation.number28-
dc.citation.startPage11928-
dc.citation.endPage11933-
dc.date.scptcdate2018-10-01-
dc.description.wostc10-
dc.description.scptc10-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.subject.keywordPlusANODE MATERIALS-
dc.subject.keywordPlusELECTROCHEMICAL PERFORMANCES-
dc.subject.keywordPlusTUNGSTEN DISULFIDE-
dc.subject.keywordPlusSTORAGE PROPERTIES-
dc.subject.keywordPlusASSISTED SYNTHESIS-
dc.subject.keywordPlusMOS2-
dc.subject.keywordPlusGRAPHENE-
dc.subject.keywordPlusCOMPOSITES-
dc.subject.keywordPlusCARBON-
dc.subject.keywordPlusNANOSHEETS-
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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