Phospho-olivine as advanced cathode material for lithium batteries

I. Belharouak, Q. Yan, Y. K. Sun, K. Amine

Research output: Contribution to journalArticle

Abstract

Nano-sized and micron-sized LiFePO 4 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 LiFePO 4 materials. The coating process uses a solid/gas-phase reaction which consists of decomposing propylene gas, as carbon source, inside a reactor containing olivine LiFePO 4 materials. Optimized LiFePO 4 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 LiFePO 4 olivine an attractive safe cathode for lithium-ion batteries.

Original languageEnglish
Pages (from-to)201-205
Number of pages5
JournalEurasian Chemico-Technological Journal
Volume12
Issue number3-4
Publication statusPublished - 1 Dec 2010
Externally publishedYes

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Olivine
Lithium batteries
lithium batteries
olivine
Cathodes
lithium
cathodes
cycles
carbon
Carbon
electrode materials
Gases
cells
propylene
electric batteries
coating
Electrodes
flux density
reactors
gels

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Materials Science(all)

Cite this

Phospho-olivine as advanced cathode material for lithium batteries. / Belharouak, I.; Yan, Q.; Sun, Y. K.; Amine, K.

In: Eurasian Chemico-Technological Journal, Vol. 12, No. 3-4, 01.12.2010, p. 201-205.

Research output: Contribution to journalArticle

Belharouak, I. ; Yan, Q. ; Sun, Y. K. ; Amine, K. / Phospho-olivine as advanced cathode material for lithium batteries. In: Eurasian Chemico-Technological Journal. 2010 ; Vol. 12, No. 3-4. pp. 201-205.
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