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KFe(C2O4)F : a fluoro-oxalate cathode material for Li/Na-ion batteries

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dc.contributor.authorPramanik, Atin
dc.contributor.authorManche, Alexis G.
dc.contributor.authorSmeaton, Megan T.
dc.contributor.authorSougrati, Moulay-Tahar
dc.contributor.authorLightfoot, Philip
dc.contributor.authorArmstrong, Anthony Robert
dc.date.accessioned2023-06-28T12:30:18Z
dc.date.available2023-06-28T12:30:18Z
dc.date.issued2023-07-17
dc.identifier289361978
dc.identifier18ce43ef-e21f-4e1b-8d7b-fc3b5261e046
dc.identifier85162904886
dc.identifier.citationPramanik , A , Manche , A G , Smeaton , M T , Sougrati , M-T , Lightfoot , P & Armstrong , A R 2023 , ' KFe(C 2 O 4 )F : a fluoro-oxalate cathode material for Li/Na-ion batteries ' , ChemElectroChem , vol. 10 , no. 14 , e202300192 . https://doi.org/10.1002/celc.202300192en
dc.identifier.issn2196-0216
dc.identifier.otherRIS: urn:9CCF5D4013F46C26BAA8B659D3BD1FC9
dc.identifier.otherORCID: /0000-0001-7048-3982/work/137915424
dc.identifier.otherORCID: /0000-0003-1937-0936/work/137915719
dc.identifier.urihttps://hdl.handle.net/10023/27821
dc.descriptionFunding: The authors want to thank EPSRC (EP/R030472/1) and the Faraday Institution (FIRG018) for their financial support. In addition, AGM wishes to thank the Faraday Institution for financial support and training (Grant number FITG033). The authors also thank EPSRC Light Element Analysis Facility Grant EP/T019298/1 and the EPSRC Strategic Equipment Resource Grant EP/R023751/1.en
dc.description.abstractThe iron-based polyanionic fluoro-oxalate material, KFe(C2O4)F (KFCF), has been synthesized by hydrothermal methods. This compound shows promising reversible lithium and sodium insertion properties as a cathode material. The material delivered a first-cycle discharge capacity of 120 mAh g-1 at ∼3.3 V (Li+/Li) and 97.4 mAh g-1 at ∼3.0 V (Na+/Na) in LIB and NIB, respectively. Stable cycling performance was observed in both cases. The involvement of reversible Fe2+/Fe3+ redox was confirmed by ex-situ Mössbauer spectroscopy supported by first-principles calculations. This study reveals promising performance from a mixed oxalate-fluoride based polyanionic material thereby opening up further possibilities for materials discovery in the design of new electrode materials.
dc.format.extent8
dc.format.extent1921362
dc.language.isoeng
dc.relation.ispartofChemElectroChemen
dc.subjectCathode materialsen
dc.subjectElectrochemistryen
dc.subjectNa-ion/Li-ionen
dc.subjectOxalateen
dc.subjectRechargeable batteryen
dc.subjectQD Chemistryen
dc.subjectQC Physicsen
dc.subjectNDASen
dc.subjectMCCen
dc.subject.lccQDen
dc.subject.lccQCen
dc.titleKFe(C2O4)F : a fluoro-oxalate cathode material for Li/Na-ion batteriesen
dc.typeJournal articleen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEPSRCen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.identifier.doi10.1002/celc.202300192
dc.description.statusPeer revieweden
dc.identifier.grantnumberEP/T019298/1en
dc.identifier.grantnumberEP/R023751/1en


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