Phospho-Olivine as Advanced Cathode Material for Lithium Batteries
DOI:
https://doi.org/10.18321/ectj45Abstract
Nano-sized and micron-sized LiFePO4 electrode materials were prepared by a sol gel and coprecipitation reactions. An improvement of the cycling and rate performances in lithium cells was observed for the carbon coated LiFePO4 materials. The coating process uses a solid/gas-phase reaction which consists of decomposing propylene gas, as carbon source, inside a reactor containing olivine LiFePO4 materials. Optimized LiFePO4 electrode cells, cycled at RT between 3.0 and 4.3 V at a C/10 rate, do not show any sign of capacity fade during the first 50 cycles. Combination of the high volumetric energy density and low cost preparation method makes the micron-sized LiFePO4 olivine an attractive safe cathode for lithium-ion batteries.
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3. A.K. Padhi, K.S. Nanjundaswamy, C. Masquelier, S. Okada, J.B. Goodenough, J. Electrochem. Soc., 144, 5 (1997).
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5. R. Brec, A. Dugast, Mater. Res. Bull., 15, 619 (1980).
6. A.S. Andersson, B. Kalska, L. Haggstrom, J.O. Thomas, Solid State Ionics, 130, 41(2000).
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8. I. Belharouak, C. Johnson, K. Amine, Electrochem. Commun. 7(10), 983 (2005)
9. I. Belharouak, K. Amine, Electrochem. Commun. 7(7), 648–651 (2005)
10. I. Belharouak, Y.-K. Sun, J. Liu, K. Amine, J. Power Sources 123(2), 247 (2003)
11. D.P. Abraham, R.D. Twesten, M. Balasubramanian, I. Petrov, J. McBreen, K. Amine, Electrochem. Comm, 4, 620 (2002).
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13. N. Ravet, Y. Chouinard, J.F. Magnan, S. Besner, M. Gauthier, M. Armand, J. Power Sources, 97-98, 503 (2001).
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15. Z. Chen, J.R. Dahn, J. Electrochem. Soc., 149, A1184 (2002).
16. S.Y. Chung, J.T. Bloking, Y.M. Chiang, Nat. Mat., 1, 123 (2002).
17. S. Franger, C. Bourbon, F. Gras, J. Electrochem. Soc., 151, 7 A1024 (2004).
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Published
15-11-2010
How to Cite
Belharouak, I., Yan, Q., Sun, Y.-K., & Amine, K. (2010). Phospho-Olivine as Advanced Cathode Material for Lithium Batteries. Eurasian Chemico-Technological Journal, 12(3-4), 201–205. https://doi.org/10.18321/ectj45
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