Short-range ordering in a battery electrode, the ‘cation-disordered’ rocksalt Li1.25Nb0.25Mn0.5O2

Cation order, with a local structure related to γ-LiFeO2, is observed in the nominally cation-disordered Li-excess rocksalt Li1.25Nb0.25Mn0.5O2via X-ray diffraction, neutron pair distribution function analysis, magnetic susceptibility and NMR spectroscopy. The correlation length of ordering depends...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 55; no. 61; pp. 9027 - 9030
Main Authors Jones, Michael A, Reeves, Philip J, Seymour, Ieuan D, Cliffe, Matthew J, Dutton, Siân E, Grey, Clare P
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2019
Subjects
Cations
Distribution functions
Electrochemistry
Function analysis
Magnetic permeability
NMR spectroscopy
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Summary:Cation order, with a local structure related to γ-LiFeO2, is observed in the nominally cation-disordered Li-excess rocksalt Li1.25Nb0.25Mn0.5O2via X-ray diffraction, neutron pair distribution function analysis, magnetic susceptibility and NMR spectroscopy. The correlation length of ordering depends on synthesis conditions and has implications for the electrochemistry of these phases.
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/c9cc04250d