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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1937

Title: Synthesis and structural characterization of defect spinels in the Lithium-Manganese-Oxide system
Authors: Thackeray, MM
De Kock, A
David, WIF
Keywords: Spinels
Oxides
Manganese
Lithium
Issue Date: Oct-1993
Publisher: Pergamon-Elsevier Science Ltd
Citation: Thackeray, MM, et al. 1993. Synthesis and structural characterization of defect spinels in the Lithium-Manganese-Oxide system. Material 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 synthesised by the reaction of MnCO3 and Li2CO3 at 400-degrees-C are reported. The cation distributions in the structures were determined by neutron-diffraction to be {Li.85 square .15}8a [Mn1.74Li.26]16dO4 and (Li.87 square .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.yMnO2 (y greater-than-or-equal-to 2.5).
URI: http://hdl.handle.net/10204/1937
http://hdl.handle.net/10204/1937
ISSN: 0025-5408
Appears in Collections:General science, engineering & technology

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