Phospho-olivine as advanced cathode material for lithium batteriesopen access
- Authors
- Belharouak, I.; Yan, Q.; Sun, Y-K.; Amine, K.
- Issue Date
- Dec-2010
- Publisher
- al-Farabi Kazakh State National University
- Citation
- Eurasian Chemico-Technological Journal, v.12, no.3-4, pp.201 - 205
- Indexed
- SCOPUS
- Journal Title
- Eurasian Chemico-Technological Journal
- Volume
- 12
- Number
- 3-4
- Start Page
- 201
- End Page
- 205
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/173351
- DOI
- 10.18321/ectj45
- ISSN
- 1562-3920
- Abstract
- 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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