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Browsing by Author "Liles, DC"

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Lithium extraction from orthorhombic lithium manganese oxide and the phase-transformation to spinel

Author: Gummow, RJ ; Liles, DC ; Thackeray, MM Date: Dec 1993 Orthorhombic LiMnO2 products, synthesised by the reaction of gamma-MnO2 and LiOH in argon at 600-620 degrees C using carbon as a reducing agent, have been evaluated as electrode materials in lithium cells. Products that contained a minor ... Read more
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
Spinel versus layered structures for lithium cobalt oxide synthesized at 400-degrees-c

Author: Gummow, RJ ; Liles, DC ; Thackeray, MM Date: Mar 1993 Rietveld refinements of X-ray data of LiCoO2 prepared at 400-degrees-C and a chemically-delithiated product Li0.5CoO2 using space group symmetries R3mBAR and Fd3m are reported. Refinements in both R3mBAR (layered-type structure) and Fd3m ... Read more
Structural characterization of Li1.2v3o8 insertion electrodes by single-crystal x-ray-diffraction

Author: De Picciotto, LA ; Adendorff, KT ; Liles, DC ; Thackeray, MM Date: Aug 1993 The crystal structures of Li1.2V3O8 and a lithiated product Li4.0V3O8 have been determined by single-crystal X-ray diffraction methods. The structure refinement of Li1.2V308 confirms that of Li1+xV3O8(x almost-equal-to 0) reported by Wadsley ... Read more
Synthesis, P-31 NMR data and X-ray analysis of a ruthenium(II) dimethylphenylphosphine complex with dimerized phenylacetylene: The structure of [(PhMe(2)P)(4)Ru(eta(3)-PhC(3)CHPh)](PF6)

Author: Liles, DC ; Verhoeven, PFM Date: 06 Sep 1996 Treatment of [RuHL (5)] (+) (L = PMe (2) Ph) with phenylacetylene in ethanol yielded the dimerization of HC=CPh to (Z)-1, 4-diphenylbut-3-en-1-yne. The molecular structure of [Ru(eta(3)-PhC(3)CHPh)L(4)](PF6) (L = PMe(2)Ph) (2) shows a ... Read more
Versatility of MnO2 for lithium battery applications

Author: Thackeray, MM ; Rossouw, MH ; De Kock, A ; De la Harpe, AP ; Gummow, RJ ; Pearce, K ; Liles, DC Date: 15 Mar 1993 Manganese dioxide has for many years found widespread use as a cathode material in aqueous Leclanche, zinc chloride and alkaline cells and, more recently, in nonaqueous lithium cells. However, despite the large number of polymorphic structures ... Read more

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Browsing by Author "Liles, DC"

Browsing by Author "Liles, DC"

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