Defect spinels in the system Li2O.yMnO2 (y>2.5): A neutron-diffraction study and electrochemical characterization of Li2Mn4O9

  • A. de Kock
  • , M. H. Rossouw
  • , L. A. de Picciotto
  • , M. M. Thackeray
  • , W. I.F. David
  • , R. M. Ibberson

Research output: Contribution to journalArticlepeer-review

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Abstract

The structure of the defect spinel Li2Mn4O9 which is a component of the system Li2O.yMnO2 (y = 4.0) has been determined by neutron diffraction analysis; it has the spinel notation (Li0.89□0.11) [Mn1.78□0.22]O4. The electrochemical properties of Li2Mn4O9 when used as an insertion electrode in rechargeable room-temperature lithium cells have been evaluated.

Original languageEnglish
Pages (from-to)657-664
Number of pages8
JournalMaterials Research Bulletin
Volume25
Issue number5
DOIs
StatePublished - May 1990
Externally publishedYes

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