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Browsing by Author "David, WIF"

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Ramsdellite-MnO2 for lithium batteries: The ramsdellite to spinel transformation

Author: Thackeray, MM ; Rossouw, MH ; Gummow, RJ ; Liles, DC ; Pearce, K ; De Kock, A ; David, WIF ; Hull, s Date: Jun 1993 A pure and highly crystalline form of ramsdellite-MnO2 has been synthesized by acid treatment of the spinels LiMn2O4 and Li2Mn4O9 at 95°C. Although the ramsdellite-MnO2 framework remains intact on lithiation at 70°C, the hexagonally-close-packed ... Read more
Reinvestigation of the structures of lithium-cobalt-oxides with neutron-diffraction data

Author: Gummow, RJ ; Liles, DC ; Thackeray, MM ; David, WIF Date: Nov 1993 The structures of LT-LiCoO2 (synthesised by reaction of Li2CO3 and CoCO3 at 400-degrees-C) and its delithiated product LT-Li0.4CoO2 have been reinvestigated by neutron powder diffraction. Despite an unusually close similarity between diffraction ... Read more
Synthesis and structural characterization of defect spinels in the lithium-manganese-oxide system

Author: Thackeray, MM ; De Kock, A ; David, WIF Date: Oct 1993 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 ... Read more
Synthesis and structural characterization of defect spinels in the Lithium-Manganese-Oxide system

Author: Thackeray, MM ; De Kock, A ; David, WIF Date: Oct 1993 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 ... Read more

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Browsing by Author "David, WIF"

Browsing by Author "David, WIF"

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