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Title: LiAlxCo1-xO2 as 4 V cathodes for lithium ion batteries
Authors: Huang, H.
Subba Rao, G.V. 
Chowdari, B.V.R. 
Keywords: Aluminium
Lithium ion batteries
Issue Date: Sep-1999
Citation: Huang, H.,Subba Rao, G.V.,Chowdari, B.V.R. (1999-09). LiAlxCo1-xO2 as 4 V cathodes for lithium ion batteries. Journal of Power Sources 81-82 : 690-695. ScholarBank@NUS Repository.
Abstract: Nominal LiAlxCo1-xO2 with x ranging from 0.1 to 0.3 was prepared by heating mixture of Al(OH)3, Co3O4 and LiOH at 750°C in air. The effect of substitution of non-transition metal, Al, in LiCoO2 is investigated as a 4 V cathode for lithium ion. X-ray diffraction (XRD) indicates formation of a single phase (R3̄m) within this range of substitution. When cycled between 4.5 and 2.5 V vs. Li/Li+ at a current density of 1 mA cm-2, the LiAl0.15Co0.85O2 cathode exhibits reversible capacity of 160 mA h g-1 initially. XRD of the cathode made at the end of 10 cycles reveals no significant change on host structure. © 1999 Elsevier Science S.A. All rights reserved.
Source Title: Journal of Power Sources
ISSN: 03787753
Appears in Collections:Staff Publications

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