Rapid microwave-solvothermal synthesis of phospho-olivine nanorods and their coating with a mixed conducting polymer for lithium ion batteries

Olivine LiFePO 4 nanorods have been synthesized, for the first time, by a rapid microwave-solvothermal approach within 5 min at temperatures as low as 300 °C without requiring any inert atmosphere or post annealing at elevated temperatures in reducing gas atmospheres. The resulting LiFePO 4 nanorods...

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Bibliographic Details
Published in:Electrochemistry communications 2008-06, Vol.10 (6), p.903-906
Main Authors: Vadivel Murugan, A., Muraliganth, T., Manthiram, A.
Format: Article
Language:English
Subjects:
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium ion batteries
Microwave synthesis
Nanohybrid materials
Phospho-olivine cathodes
Solvo-thermal synthesis
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Summary:Olivine LiFePO 4 nanorods have been synthesized, for the first time, by a rapid microwave-solvothermal approach within 5 min at temperatures as low as 300 °C without requiring any inert atmosphere or post annealing at elevated temperatures in reducing gas atmospheres. The resulting LiFePO 4 nanorods have subsequently been encapsulated within a mixed electronically and ionically conducting p-toluene sulfonic acid ( p-TSA) doped poly(3,4-ethylenedioxythiophene) (PEDOT) at ambient-temperatures to obtain an organic–inorganic nanohybrid. The LiFePO 4–PEDOT nanohybrid offers discharge capacity (166 mA h/g) close to the theoretical value (170 mA h/g) with excellent capacity retention and rate capability, reducing significantly the manufacturing cost.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2008.04.004