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Two-Dimensional Unilamellar Cation-Deficient Metal Oxide Nanosheet Superlattices for High-Rate Sodium Ion Energy Storage

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dc.contributor.authorPan Xiong-
dc.contributor.authorXiuyun Zhang-
dc.contributor.authorFan Zhang-
dc.contributor.authorDing Yi-
dc.contributor.authorJinqiang Zhang-
dc.contributor.authorBing Sun-
dc.contributor.authorHuajun Tian-
dc.contributor.authorDevaraj Shanmukaraj-
dc.contributor.authorTeofilo Rojo-
dc.contributor.authorMichel Armand-
dc.contributor.authorRenzhi Ma-
dc.contributor.authorTakayoshi Sasaki-
dc.contributor.authorGuoxiu Wang-
dc.date.available2019-01-30T01:58:03Z-
dc.date.created2019-01-15-
dc.date.issued2018-12-
dc.identifier.issn1936-0851-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/5363-
dc.description.abstractCation-deficient two-dimensional (2D) materials, especially atomically thin nanosheets, are highly promising electrode materials for electrochemical energy storage that undergo metal ion insertion reactions, yet they have rarely been achieved thus far. Here, we report a Ti-deficient 2D unilamellar lepidocrocite-type titanium oxide (Ti0.87O2) nanosheet superlattice for sodium storage. The superlattice composed of alternately restacked defective Ti0.87O2 and nitrogen-doped graphene monolayers exhibits an outstanding capacity of similar to 490 mA h g(-1) at 0.1 A g(-1), an ultralong cycle life of more than 10000 cycles with similar to 0.00058% capacity decay per cycle, and especially superior low-temperature performance (100 mA h g(-1) at 12.8 A g(-1) and -5 degrees C), presenting the best reported performance to date. A reversible Na+ ion intercalation mechanism without phase and structural change is verified by first-principles calculations and kinetics analysis. These results herald a promising strategy to utilize defective 2D materials for advanced energy storage applications © 2018 American Chemical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER CHEMICAL SOC-
dc.subjectcation vacancies-
dc.subjectunilamellar nanosheets-
dc.subjectlow-temperature sodium storage-
dc.subjectlepidocrocite-type titanium oxide-
dc.subjectsuperlattice-
dc.titleTwo-Dimensional Unilamellar Cation-Deficient Metal Oxide Nanosheet Superlattices for High-Rate Sodium Ion Energy Storage-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000454567500057-
dc.identifier.scopusid2-s2.0-85057874714-
dc.identifier.rimsid66681-
dc.contributor.affiliatedAuthorXiuyun Zhang-
dc.contributor.affiliatedAuthorDing Yi-
dc.identifier.doi10.1021/acsnano.8b06206-
dc.identifier.bibliographicCitationACS NANO, v.12, no.12, pp.12337 - 12346-
dc.citation.titleACS NANO-
dc.citation.volume12-
dc.citation.number12-
dc.citation.startPage12337-
dc.citation.endPage12346-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusANODE MATERIAL-
dc.subject.keywordPlusTITANIA NANOSHEET-
dc.subject.keywordPlusCHARGE STORAGE-
dc.subject.keywordPlusANATASE TIO2-
dc.subject.keywordPlusVACANCIES-
dc.subject.keywordPlusINTERCALATION-
dc.subject.keywordPlusINSERTION-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusNANORODS-
dc.subject.keywordPlusPLANE-
dc.subject.keywordAuthorcation vacancies-
dc.subject.keywordAuthorunilamellar nanosheets-
dc.subject.keywordAuthorlow-temperature sodium storage-
dc.subject.keywordAuthorlepidocrocite-type titanium oxide-
dc.subject.keywordAuthorsuperlattice-
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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