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The Li intercalation potential of LiMPO4 and LiMSiO4 olivines with M = Fe, Mn, Co, Ni
Cited 392 time in
Web of Science
Cited 416 time in Scopus
- Authors
- Issue Date
- 2004-11
- Publisher
- Elsevier BV
- Citation
- Electrochemistry Communications, Vol.6 No.11, pp.1144-1148
- Abstract
- The Li intercalation potential of LiMPO4 and LiMSiO4 compounds with M = Fe, Mn, Co and Ni is computed with the GGA + U method. It is found that this approach is considerably more accurate than standard LDA or GGA methods. The calculated potentials for LiFePO4, LiMnPO4 and LiCoPO4 agree to within 0.1 V with experimental results. The LiNiPO4 potential is predicted to be above 5 V. The potentials of the silicate materials are all found to be rather high, but LiFeSiO4 and LiCoSiO4 have negligible volume change upon Li extraction. (C) 2004 Elsevier B.V. All rights reserved.
- ISSN
- 1388-2481
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