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Ternary metal fluorides as high-energy cathodes with low cycling hysteresis

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dc.contributor.authorWang F.-
dc.contributor.authorKim S.-W.-
dc.contributor.authorDong-Hwa Seo-
dc.contributor.authorKisuk Kang-
dc.contributor.authorWang L.-
dc.contributor.authorSu D.-
dc.contributor.authorVajo J.J.-
dc.contributor.authorWang J.-
dc.contributor.authorGraetz J.-
dc.date.accessioned2016-01-07T09:14:42Z-
dc.date.available2016-01-07T09:14:42Z-
dc.date.created2015-04-06-
dc.date.issued2015-03-
dc.identifier.issn2041-1723-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2086-
dc.description.abstractTransition metal fluorides are an appealing alternative to conventional intercalation compounds for use as cathodes in next-generation lithium batteries due to their extremely high capacity (3-4 times greater than the current state-of-the-art). However, issues related to reversibility, energy efficiency and kinetics prevent their practical application. Here we report on the synthesis, structural and electrochemical properties of ternary metal fluorides (M1 yM2 1-yFx: M1, M2 = Fe, Cu), which may overcome these issues. By substituting Cu into the Fe lattice, forming the solid-solution CuyFe1-yF2, reversible Cu and Fe redox reactions are achieved with surprisingly small hysteresis (<150 mV). This finding indicates that cation substitution may provide a new avenue for tailoring key electrochemical properties of conversion electrodes. Although the reversible capacity of Cu conversion fades rapidly, likely due to Cu+ dissolution, the low hysteresis and high energy suggest that a Cu-based fluoride cathode remains an intriguing candidate for rechargeable lithium batteries. © 2015 Macmillan Publishers Limited-
dc.description.uri1-
dc.language영어-
dc.publisherNATURE PUBLISHING GROUP-
dc.titleTernary metal fluorides as high-energy cathodes with low cycling hysteresis-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000353042400002-
dc.identifier.scopusid2-s2.0-84925700763-
dc.identifier.rimsid19248-
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorDong-Hwa Seo-
dc.contributor.affiliatedAuthorKisuk Kang-
dc.identifier.doi10.1038/ncomms7668-
dc.identifier.bibliographicCitationNATURE COMMUNICATIONS, v.6, pp.6668-
dc.citation.titleNATURE COMMUNICATIONS-
dc.citation.volume6-
dc.citation.startPage6668-
dc.date.scptcdate2018-10-01-
dc.description.wostc46-
dc.description.scptc41-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusLITHIUM RECHARGEABLE BATTERIES-
dc.subject.keywordPlusCONVERSION REACTION-MECHANISMS-
dc.subject.keywordPlusELECTRODE MATERIALS-
dc.subject.keywordPlusHIGH-CAPACITY-
dc.subject.keywordPlusION BATTERIES-
dc.subject.keywordPlusSTORAGE DEVICES-
dc.subject.keywordPlusIRON FLUORIDE-
dc.subject.keywordPlusHIGH-POWER-
dc.subject.keywordPlusELECTROCHEMISTRY-
dc.subject.keywordPlusNANOCOMPOSITES-
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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