Research of lithium iron phosphate as material of positive electrode of lithium-ion battery

A. A. Chekannikov, R. R. Kapaev, S. A. Novikova, T. L. Kulova, A. M. Skundin, A. B. Yaroslavtsev

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In the present paper, samples of pure and doped lithium iron phosphate composite with the following composition: LiFePO4/C, Li0.99Fe0.98(CrNi)0.01PO4/C were synthesized. The samples were synthesized using the sol-gel method. According to the acquired data, all the obtained samples of lithium iron phosphate are crystallized in the orthorhombic modification of lithium iron phosphate with the structure of olivine. The average particle size of the obtained materials varies in the range of 50-100 nm. The carbon content was 4 wt%. The doping of lithium iron phosphate with trivalent cations of chromium and nickel results in the increase of the discharge capacity at high discharge rates with the simultaneous stability augmentation during the cycling.

Original languageEnglish
Pages (from-to)2219-2229
Number of pages11
JournalInternational Journal of Electrochemical Science
Issue number3
StatePublished - 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 The Authors.


  • Discharge capacity
  • Doping
  • Lithium iron phosphate composite
  • Lithium-ion battery
  • Positive electrode


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