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

Autor:	Shunyi Yang, Xianyou Wang, Anping Tang, Junqi Cao
Rok vydání:	2008
Předmět:	Diffraction Sucrose Materials science General Chemical Engineering Composite number Mixing (process engineering) chemistry.chemical_element Electrochemistry chemistry.chemical_compound chemistry Materials Chemistry Composite cathode Carbon Monoclinic crystal system Nuclear chemistry
Zdroj:	Journal of Applied Electrochemistry. 38:1453-1457
ISSN:	1572-8838 0021-891X
DOI:	10.1007/s10800-008-9589-0
Popis:	Monoclinic structure Li3V2(PO4)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 Li3V2(PO4)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.
Databáze:	OpenAIRE
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