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Lithium insertion or extraction from/into tavorite-type LiVPO4F : an in situ x-ray diffraction study

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 UPJV [LRCS]
hal.structure.identifierAdvanced Lithium Energy Storage Systems - ALISTORE-ERI [ALISTORE-ERI]
dc.contributor.authorATEBA MBA, Jean-Marcel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierAdvanced Lithium Energy Storage Systems - ALISTORE-ERI [ALISTORE-ERI]
dc.contributor.authorCROGUENNEC, Laurence
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 UPJV [LRCS]
dc.contributor.authorBASIR IRWIN, Nor
hal.structure.identifierFaradion Limited
dc.contributor.authorBARKER, Jerry
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 UPJV [LRCS]
hal.structure.identifierAdvanced Lithium Energy Storage Systems - ALISTORE-ERI [ALISTORE-ERI]
dc.contributor.authorMASQUELIER, Christian
dc.date.issued2012
dc.identifier.issn0013-4651
dc.description.abstractEnThe Tavorite-type composition LiVPO4F undergoes a complex series of phase transformations upon Li+ electrochemical extraction or insertion at ∼4.25 V (V4+/V3+ redox couple) and 1.8 V vs. Li (V3+/V2+ redox couple), respectively. In all the reactions involved, followed by in-house in situ X-Ray diffraction, two-phase topotactic mechanisms are systematically encountered, without noticeable modification of the [VPO4F] framework besides significant unit-cell contractions/expansions and overall shifts in symmetry from triclinic P-1 to monoclinic C2/c. Two electrochemical oxidation reactions occur at 4.24 V and 4.28 V vs. Li due to the formation of the intermediate phase Li0.67VPO4F, isolated for the first time. Noticeably, this peculiar composition is not encountered upon reduction from VPO4F to LiVPO4F.
dc.language.isoen
dc.publisherElectrochemical Society
dc.subject.enX-ray diffraction
dc.subject.enTavorite
dc.subject.enLithium batteries
dc.title.enLithium insertion or extraction from/into tavorite-type LiVPO4F : an in situ x-ray diffraction study
dc.typeArticle de revue
dc.identifier.doi10.1149/2.022208jes
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of The Electrochemical Society
bordeaux.pageA1171-A1175
bordeaux.volume159
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-00720618
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00720618v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20The%20Electrochemical%20Society&rft.date=2012&rft.volume=159&rft.issue=8&rft.spage=A1171-A1175&rft.epage=A1171-A1175&rft.eissn=0013-4651&rft.issn=0013-4651&rft.au=ATEBA%20MBA,%20Jean-Marcel&CROGUENNEC,%20Laurence&BASIR%20IRWIN,%20Nor&BARKER,%20Jerry&MASQUELIER,%20Christian&rft.genre=article


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