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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/783

Title: Synthesis and structural characterization of defect spinels in the lithium-manganese-oxide system
Authors: Thackeray, MM
De Kock, A
David, WIF
Keywords: Lithium
Manganese
Spinels
Oxides
Issue Date: Oct-1993
Publisher: Pergamon Press Ltd
Citation: Thackeray, MM, De Kock, A and David, WIF. 1993. Synthesis and structural characterization of defect spinels in the lithium-manganese-oxide system. Materials Research Bulletin, vol. 28(10), pp 1041-1049
Abstract: Lithium-manganese-oxides prepared at moderate temperatures are under investigation as insertion electrodes for rechargeable lithium batteries. The structures of two defect-spinel compounds synthesized by the reaction of MnCO3 and Li2CO3 at 400°C are reported. The cation distributions in the structures were determined by neutron-diffraction to be {Li.85.15}8a [Mn1.74Li.26]16dO4 and {Li.87.13}8a [Mn1.71Li.29]16dO4, where 8a and 16d refer to the tetrahedral and octahedral sites of the prototypic spinel space group Fd3m, respectively. The structures are discussed in relation to the spinel system Li2O MnO2 (y equal or greater than 2.5).
Description: Copyright: Pergamon Press Ltd
URI: http://hdl.handle.net/10204/783
ISSN: 0025-5408
Appears in Collections:General science, engineering & technology

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