Facile synthesis of Montroseite VOOH, Paramontroseite VO2 and V2O3-VO2 carbonaceous core-shell microspheres

Hydrothermal carbonization of sucrose was used to controllably synthesize Montroseite VOOH and Paramontroseite VO2 nanoparticles carbonaceous core-shell microspheres. After calcinations, V2O3-VO2-C core-shell microspheres were obtained. When they were used as cathode materials in lithium-ion battery...

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Bibliographic Details
Published in:Solid state sciences 2011-11, Vol.13 (11), p.2049-2054
Main Authors: Fei, Hailong, Ding, Xiaokun, Wei, Mingdeng, Wei, Kemei
Format: Article
Language:English
Subjects:
Calcines
Carbonization
Chemical synthesis methods
Cross-disciplinary physics: materials science
rheology
Discharge
Exact sciences and technology
Lithium batteries
Materials science
Methods of nanofabrication
Microspheres
Nanoparticles
Physics
Sucrose
Vanadium oxides
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Summary:Hydrothermal carbonization of sucrose was used to controllably synthesize Montroseite VOOH and Paramontroseite VO2 nanoparticles carbonaceous core-shell microspheres. After calcinations, V2O3-VO2-C core-shell microspheres were obtained. When they were used as cathode materials in lithium-ion battery (LIB), it was found that Montroseite VOOH carbonaceous core-shell microspheres exhibited higher discharge capacity than Paramontroseite VO2 counterpart, while the content of V2O3 had some large effects on the electrochemical properties of V2O3-VO2C core-shell microspheres.
ISSN:1293-2558
1873-3085
DOI:10.1016/j.solidstatesciences.2011.09.009