Structural aspects of lithium-manganese-oxide electrodes for rechargeable lithium batteries

MH Rossouw, A. de Kock, LA de Picciotto, MM Thackeray, WIF David, RM Ibberson

Research output: Contribution to journalArticlepeer-review

160 Scopus citations

Abstract

The structural characteristics of "LixMnOy" electrodes, prepared by reacting manganese oxides with lithium salts at 400°C-900°C, for ambient temperature, rechargeable lithium cells have been determined by powder X-ray and neutron diffraction studies. The identification of structure types and cyclic voltammetry data show that the rechargeability of the "LixMnOy" electrodes in Li "LixMnOy" cells can be attributed predominantly to a spinel component of the system LixMn2-zO4 (0≤x≤1.33 and 0≤z≤0.33) which includes the spinel phases LiMn2O4, Li2Mn4O9 and Li4Mn5O12.

Original languageEnglish
Pages (from-to)173-182
Number of pages10
JournalMaterials Research Bulletin
Volume25
Issue number2
DOIs
StatePublished - Feb 1990
Externally publishedYes

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