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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
Synthesis and Electrochemical Properties of Ni Doped Spinel LiNixMn2-xO4 (0 ≤ x ≤ 0.5) Cathode Materials for Li-Ion Battery

Author: Kebede, Mesfin A ; Kunjuzwa, N ; Ozoemena, K ; Mathe, Mahlanyane K Date: Nov 2013 Spherical pristine LiMn2O4 and Ni doped LiNixMn2-xO4 (x=0.1, 0.2, 0.3, 0.4, 0.5) cathode materials for lithium ion battery with high first cycle discharge capacity and excellent cycle performance were synthesized using the solution-combustion ... Read more

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Browsing by Subject "Lithium batteries"

Browsing by Subject "Lithium batteries"

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