Journal of Electrochemical Science and Technology

The Korean Electrochemical Society (한국전기화학회)
권호 표지
DOI QR코드

DOI QR Code

Effect of Mo-doped LiFePO4 Positive Electrode Material for Lithium Batteries

  • Oh, Seung-Min (Department of Chemical Engineering, Hanyang University) ;
  • Sun, Yang-Kook (Department of Energy Engineering, Hanyang University)
  • Received : 2012.12.09
  • Accepted : 2012.12.23
  • Published : 2012.12.31
Download PDF
⟨ Previous Next ⟩

Abstract

Mo-doped $LiFePO_4$ was synthesized via co-precipitation method using sucrose as the carbon source. Structure, surface morphology, and the electrochemical properties of the synthesized olivine compounds were investigated using Rietveld refinement of X-ray diffraction data (XRD), scanning electron microscopy (SEM), and electrochemical charge-ischarge tests. Spherical morphology with the particle size of ${\sim}8{\mu}m$ authenticated the enhanced tap density and volumetric energy density of the synthesized materials. Charge-discharge behavior of $LiFePO_4$ and Mo-doped $LiFePO_4$ cells demonstrated a specific capacity of 130 and 145 mAh $g^{-1}$, respectively. Mo-doped $LiFePO_4$ cells exhibited an excellent discharge capacity at 96 mAh $g^{-1}$ at 7 C-rate.

Keywords

References

  1. J. M. Tarascon and M. Armand, Nature, 414, 359 (2001). https://doi.org/10.1038/35104644
  2. S. G. Youn, I. H. Lee, C. S. Yoon, C. K. Kim, Y. K. Sun, Y. S. Lee and M. Yoshio, J. Power sources, 108, 97 (2002). https://doi.org/10.1016/S0378-7753(01)01080-1
  3. J. Reim, H. Rentsch, W. Scheifele and P. Novak, J. Power Sources, 174, 584 ( 2007). https://doi.org/10.1016/j.jpowsour.2007.06.244
  4. H. Lee, H. J. Kim, D. Kim and S. Choi, J. Power Sources, 176, 359 (2008). https://doi.org/10.1016/j.jpowsour.2007.10.054
  5. A. K. Padhi, K. S. Nanjundaswamy and J. B. Goodenough, J. Electrochem. Soc., 144, 1188 (1997). https://doi.org/10.1149/1.1837571
  6. D. A. Spong, G. Vitins and J. R. Owenz, J. Electrochem. Soc., 152, A2376 (2005). https://doi.org/10.1149/1.2120427
  7. T. Nakamura, Y. Miwa, M. Tabuchi and Y. Yamada, J. Electrochem. Soc., 153, A1108 (2006). https://doi.org/10.1149/1.2192732
  8. A. Yamada, S. C. Chung and K. Hinokuma, J. Electrochem. Soc., 148, A224 (2001). https://doi.org/10.1149/1.1348257
  9. C. W. Ong, Y. K. Lin and J. S. Chen, J. Electrochem. Soc., 154, A527 (2007). https://doi.org/10.1149/1.2720714
  10. G. Arnold, J. Garche, R. Hemmer, S. Strobele, C. Vogler and M. W. Mehrens, J. Power Sources, 119-121, 247(2003). https://doi.org/10.1016/S0378-7753(03)00241-6
  11. H. Huang, S.-C. Yin and L. F. Nazar, Electrochem. Solid- State Lett., 4, A170 (2001). https://doi.org/10.1149/1.1396695
  12. H. Liu, G. X. Wang, D. Wexler, J. Z. Wang and H. K. Liu, Electrochem. Commun., 10, 165 (2008). https://doi.org/10.1016/j.elecom.2007.11.016
  13. S. Y. Chung, J. T. Bloking and Y. M. Chiang, Nat. Mater., 2, 123 (2002).
  14. C. H. Mi, X. G. Zhang and H. L. Li, J. Electroanalytical Chemistry, 602, 245 (2007). https://doi.org/10.1016/j.jelechem.2007.01.007
  15. M. Zhang, L.-F. Jiao, H.-T. Yuan, Y.-M. Wang, J. Guo, M. Zhao, W. Wang and X.-D. Zhou, Solid State Ionics, 177, 3309 (2006). https://doi.org/10.1016/j.ssi.2006.09.009
  16. R.D. Shannon, Acta Cryst., A32, 751 (1976).
  17. J. Barker, M.Y. Saidi, J. L. Swoyer, Electrochem. Solid- State Lett., 6, A252 (2003). https://doi.org/10.1149/1.1621288
  18. Y. Hu, M. M. Doeff, R. Kostecki and R. Finones, J. Electrochem. Soc., 151, A1279 (2004). https://doi.org/10.1149/1.1768546
  19. S. W. Oh, H.J. Bang, S.-T. Myung, Y.C. Bae, S.M. Lee, Y.-K. Sun, J. Electrochem. Soc., 155, A414 (2008). https://doi.org/10.1149/1.2898684
  20. J. R. Ying, C. Y. Jiang and C. R. Wan, J. Power Sources, 129, 264 (2004). https://doi.org/10.1016/j.jpowsour.2003.10.007
  21. P. P. Prosini, M. Carewska, S. Scaccia, P. Winsniewski, S. Passerini and M. Pasquali, J. Electrochem. Soc., 149, 886 (2002). https://doi.org/10.1149/1.1481716
  22. S. T. Myung, S. Komaba, N. Hirosaki, H. Yashiro and N. Kumagai, Electrochim. Acta, 49, 4213 (2004). https://doi.org/10.1016/j.electacta.2004.04.016
  23. C. Y. Lee, H. M. Tsai, H. J. Chuang, S. Y. Li, P. Lin and T. Y. Tseng, J. Electrochem. Soc., 152, A716 (2005). https://doi.org/10.1149/1.1870793
  24. Y.-K. Sun, S.-T. Myung, C.-S. Yoon and D.-W. Kim, Electrochem. Solid-State Lett., 12, A163 (2009). https://doi.org/10.1149/1.3143914
  25. C. K. Park, S. B. Park, S. H. Oh, H. Jang and W. I. Cho, Bull. Korean Chem. Soc., 32, 836 (2011). https://doi.org/10.5012/bkcs.2011.32.3.836

Cited by

  1. Review—Recent Developments in the Doped LiFePO4Cathode Materials for Power Lithium Ion Batteries vol.163, pp.13, 2016, https://doi.org/10.1149/2.0411613jes