In Situ Conversion of Metal-Organic Frameworks into VO2-V3S4 Heterocatalyst Embedded Layered Porous Carbon as an "All-in-One" Host for Lithium-Sulfur Batteries
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Seo, Seung-Deok | - |
dc.contributor.author | Yu, Seungho | - |
dc.contributor.author | Park, Sangbaek | - |
dc.contributor.author | Kim, Dong-Wan | - |
dc.date.accessioned | 2021-08-30T09:37:21Z | - |
dc.date.available | 2021-08-30T09:37:21Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2020-11 | - |
dc.identifier.issn | 1613-6810 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/51927 | - |
dc.description.abstract | Although lithium-sulfur batteries exhibit a fivefold higher energy density than commercial lithium-ion batteries, their volume expansion and insulating nature, and intrinsic polysulfide shuttle have hindered their practical application. An alternative sulfur host is necessary to realize porous, conductive, and polar functions; however, there is a tradeoff among these three critical factors in material design. Here, the authors report a layered porous carbon (LPC) with VO2/V3S4 heterostructures using one-step carbonization-sulfidation of metal-organic framework templates as a sulfur host that meets all the criteria. In situ conversion of V-O ions into V3S4 nuclei in the confined 2D space generated by dynamic formation of the LPC matrix creates {200}-facet-exposed V3S4 nanosheets decorated with tiny VO2 nanoparticles. The VO2/V3S4 @ LPC composite facilitates high sulfur loading (70 wt%), superior energy density (1022 mA h g(-1) at 0.2 C, 100 cycles), and long-term cyclability (665 mA h g(-1) at 1 C, 1000 cycles). The enhanced Li-S chemistry is attributed to the synergistic heterocatalytic behavior of polar VO2 and conductive V3S4 in the soft porous LPC scaffold, which accelerates polysulfide adsorption, conversion, and charge-transfer ability simultaneously. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.subject | CATALYTIC-OXIDATION | - |
dc.subject | POLYSULFIDES | - |
dc.subject | CATHODE | - |
dc.subject | HETEROSTRUCTURES | - |
dc.subject | GRAPHENE | - |
dc.subject | SURFACE | - |
dc.subject | ADSORPTION | - |
dc.subject | PYROLYSIS | - |
dc.subject | STABILITY | - |
dc.subject | DIFFUSION | - |
dc.title | In Situ Conversion of Metal-Organic Frameworks into VO2-V3S4 Heterocatalyst Embedded Layered Porous Carbon as an "All-in-One" Host for Lithium-Sulfur Batteries | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Seo, Seung-Deok | - |
dc.contributor.affiliatedAuthor | Kim, Dong-Wan | - |
dc.identifier.doi | 10.1002/smll.202004806 | - |
dc.identifier.scopusid | 2-s2.0-85096534151 | - |
dc.identifier.wosid | 000583490200001 | - |
dc.identifier.bibliographicCitation | SMALL, v.16, no.47 | - |
dc.relation.isPartOf | SMALL | - |
dc.citation.title | SMALL | - |
dc.citation.volume | 16 | - |
dc.citation.number | 47 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.subject.keywordPlus | CATALYTIC-OXIDATION | - |
dc.subject.keywordPlus | POLYSULFIDES | - |
dc.subject.keywordPlus | CATHODE | - |
dc.subject.keywordPlus | HETEROSTRUCTURES | - |
dc.subject.keywordPlus | GRAPHENE | - |
dc.subject.keywordPlus | SURFACE | - |
dc.subject.keywordPlus | ADSORPTION | - |
dc.subject.keywordPlus | PYROLYSIS | - |
dc.subject.keywordPlus | STABILITY | - |
dc.subject.keywordPlus | DIFFUSION | - |
dc.subject.keywordAuthor | heterocatalysts | - |
dc.subject.keywordAuthor | layered porous carbons | - |
dc.subject.keywordAuthor | lithium& | - |
dc.subject.keywordAuthor | #8211 | - |
dc.subject.keywordAuthor | sulfur batteries | - |
dc.subject.keywordAuthor | metal& | - |
dc.subject.keywordAuthor | #8211 | - |
dc.subject.keywordAuthor | organic& | - |
dc.subject.keywordAuthor | #8208 | - |
dc.subject.keywordAuthor | frameworks | - |
dc.subject.keywordAuthor | polar mediators | - |
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