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Novel Non-aqueous Sol-Gel Synthesis of Carbon-Coated LiMPO4 (M = Fe, Mn, Co) for Lithium Ion Batteries

  • Jingsi Yang (a1) and Jun John Xu (a1)

Abstract

A simple organic solvent based sol-gel method for synthesis of carbon-coated LiFePO4 is developed. Phase pure LiFePO4 with uniform size of 200–300 nm and no agglomeration is obtained, with 1.8 wt % surface carbon formed in-situ. Such a material gives specific discharge capacities of 150 mAh/g and 145 mAh/g at C/5 and 2C at room temperature, respectively, with desirable cycling stability. The dependence of particle size and morphology on precursor concentrations is opposite to conventional solution based methods. Other LiMPO4 (M = Mn, Co, Ni, etc) with favorable physical characteristics can be synthesized the same way.

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1. Padhi, K., Nanjundaswamy, K. S. and Goodenough, J. B., J. Electrochem, Soc., 144, 1188 (1997)
2. Ravet, N., Goodenough, J. B., Besner, S., Simouneau, M., Hovington, P. and Armand, M., Abstract 127, The Electrochemical Society and The Electrochemical Society of Japan Meeting Abstracts, Vol. 99–2, Honolulu, HI, Oct. (1999).
3. Tarascon, J. M., Delacourt, C., Prakash, A. S., Morcrette, M., Hegde, M. S., Wurm, C. and Masquelier, C., Dalton Trans., 19, 2988 (2004)
4. Yang, S., Zavalij, P. Y. and Whittingham, M. S., Electrochem. Comm., 3, 505 (2001).
5. Arnold, G., Garche, J., Hemmer, R., Strobele, S., Vogler, C. and Wohlfahrt-Mehrens, M., J. Power Sources, 119–121, 247 (2003)
6. Croce, F., Epifanio, A. D., Hassoun, J., Deptula, A., Olczac, T. and Scrosati, B., Electrochem. Solid-State Lett., 5, A47 (2002).
7. Hu, Y., Doeff, M. M., Kostecki, R. and Finones, R., J. Electrochem, Soc., 151, A1279 (2004)
8. Yang, J. and Xu, J. J., Electrochem. Solid-State Lett., 7, A515 (2004).
9. Zhou, F., Cococcioni, M., Kang, K. and Ceder, G., Electrochem. Comm., 6, 1144 (2004)

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Novel Non-aqueous Sol-Gel Synthesis of Carbon-Coated LiMPO4 (M = Fe, Mn, Co) for Lithium Ion Batteries

  • Jingsi Yang (a1) and Jun John Xu (a1)

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