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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2128

Title: Investigation of spinel-related and orthorhombic LiMNO2 cathodes for rechargeable lithium batteries
Authors: Gummow, RJ
Thackeray, MM
Keywords: Cathode materials
Lithium-manganese-oxide
Rechargeable lithium cells
Spinel electrodes
Electrochemistry
Issue Date: May-1994
Publisher: Electrochemical Society Inc
Citation: Gummow, RJ and Thackeray MM. 1994. Investigation of spinel-related and orthorhombic LiMNO2 cathodes for rechargeable lithium batteries. Journal of the Electrochemical Society, vol. 141(5), pp 1178-1182
Abstract: Cathode materials that have been synthesized by reduction of lithium-manganese- Cathode materials that have been synthesized by reduction of lithium-manganese-oxide and manganese-oxide precursors with hydrogen at 300 to 350-degrees-C, and with carbon at 600-degrees-C have been evaluated in rechargeable lithium cells. The cathodes which initially have a composition close to LiMnO2 contain structures related to the lithiated-spinel phase Li2 [Mn2] O4 and/or orthorhombic LiMnO2. The orthorhombic LiMnO2 component transforms gradually to a spinel structure on cycling. These cathodes are significantly more tolerant to repeated lithium insertion and extraction, when cycled over both the 4 and 3 V regions, than a standard Lix [Mn2] O4 spinel electrode (0 < x < 2).
URI: http://hdl.handle.net/10204/2128
http://hdl.handle.net/10204/2128
ISSN: 0013-4651
Appears in Collections:Metal and metal processes
Analytical science
General science, engineering & technology
Discovery chemistry

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