Synthesis and electrochemical properties of monoclinic Li3V2(PO4)3/C composite cathode material prepared from a sucrose-containing precursor

Monoclinic structure Li 3 V 2 (PO 4 ) 3 /C composite powders are synthesized via a novel homogeneous mixing route followed by a one-step heat treatment. The composites were characterized by X-ray diffraction (XRD) and galvanostatic charge/discharge, CV measurements. The influence of the heat treatme...

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Bibliographic Details
Published in:Journal of applied electrochemistry 2008-10, Vol.38 (10), p.1453-1457
Main Authors: Tang, A. P., Wang, X. Y., Yang, S. Y., Cao, J. Q.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Electrochemistry
Industrial Chemistry/Chemical Engineering
Original Paper
Physical Chemistry
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Summary:Monoclinic structure Li 3 V 2 (PO 4 ) 3 /C composite powders are synthesized via a novel homogeneous mixing route followed by a one-step heat treatment. The composites were characterized by X-ray diffraction (XRD) and galvanostatic charge/discharge, CV measurements. The influence of the heat treatment on the electrochemical properties of Li 3 V 2 (PO 4 ) 3 /C composites was investigated. To examine the effect of residual carbon content on the properties of the composites, six samples with 1.2, 2.3, 3.4, 4.4, 5.8, and 7.0 wt% carbon were prepared. The sample with 4.4 wt% carbon exhibited good cycling performance and rate capability in the range of 3.0–4.8 V.
ISSN:0021-891X
1572-8838
DOI:10.1007/s10800-008-9589-0