Boosted Zn2+ storage performance of hydrated vanadium oxide by defect and heterostructure

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dc.contributor.authorViet Phuong Nguyenko
dc.contributor.authorPark, Ji Suko
dc.contributor.authorYuk, Jong Minko
dc.contributor.authorOh, Minsubko
dc.contributor.authorKim, Jae-Hyunko
dc.contributor.authorLee, Seung-Moko
dc.date.accessioned2022-07-07T01:00:31Z-
dc.date.available2022-07-07T01:00:31Z-
dc.date.created2022-06-27-
dc.date.created2022-06-27-
dc.date.issued2022-06-
dc.identifier.citationJOURNAL OF MATERIALS CHEMISTRY A, v.10, no.25, pp.13428 - 13438-
dc.identifier.issn2050-7488-
dc.identifier.urihttp://hdl.handle.net/10203/297298-
dc.description.abstractThe inherent sluggish Zn2+ diffusion and poor electronic conductivity limit the ion intercalation/deintercalation process in aqueous Zn-ion batteries (ZIBs) using an oxide-based cathode. Here, we demonstrated that a heterostructure in the form of defective hydrated vanadium oxide embedded in the porous carbon textile (d-VOH@CT) could tackle these issues. The additional edges created by crystal defects significantly promoted facile Zn-ion adsorption and intercalation. Expanded interlayer spacing and reduced crystalline domain size kinetically facilitated fast Zn-ion diffusion in d-VOH flakes with shortened diffusion paths. Moreover, the heterostructure of d-VOH on the conductive carbon textile triggered rapid charge transfer, leading to high rate capability and structural stability. The ZIBs fabricated using the d-VOH@CT cathode delivered a preferable reversible capacity of 416 mA h g(-1) at 0.1 A g(-1), an impressive energy density of 293 W h kg(-1) and long cycle life. In addition, the d-VOH@CT heterostructure was able to be used as a freestanding cathode for a flexible ZIB with outstanding mechanical robustness and electrochemical stability.-
dc.languageEnglish-
dc.publisherROYAL SOC CHEMISTRY-
dc.titleBoosted Zn2+ storage performance of hydrated vanadium oxide by defect and heterostructure-
dc.typeArticle-
dc.identifier.wosid000810622200001-
dc.identifier.scopusid2-s2.0-85132411168-
dc.type.rimsART-
dc.citation.volume10-
dc.citation.issue25-
dc.citation.beginningpage13428-
dc.citation.endingpage13438-
dc.citation.publicationnameJOURNAL OF MATERIALS CHEMISTRY A-
dc.identifier.doi10.1039/d2ta03389e-
dc.contributor.localauthorYuk, Jong Min-
dc.contributor.nonIdAuthorViet Phuong Nguyen-
dc.contributor.nonIdAuthorOh, Minsub-
dc.contributor.nonIdAuthorKim, Jae-Hyun-
dc.contributor.nonIdAuthorLee, Seung-Mo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusMOS2 ULTRATHIN NANOSHEETS-
dc.subject.keywordPlusGRAIN-BOUNDARIES-
dc.subject.keywordPlusELECTRODE MATERIALS-
dc.subject.keywordPlusCATHODE MATERIALS-
dc.subject.keywordPlusBATTERIES-
dc.subject.keywordPlusRICH-
dc.subject.keywordPlusCHALLENGES-
dc.subject.keywordPlusINSERTION-
dc.subject.keywordPlusANODE-
dc.subject.keywordPlusIONS-
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