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Synthesis of spherical porous vanadium pentoxide and its electrochemical properties

✍ Scribed by C.Q. Feng; S.Y. Wang; R. Zeng; Z.P. Guo; K. Konstantinov; H.K. Liu

Book ID
104025174
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
822 KB
Volume
184
Category
Article
ISSN
0378-7753

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✦ Synopsis

Spherical porous vanadium pentoxide (V 2 O 5 ) phase is synthesized by a spray-pyrolysis method followed by heat-treatment, as confirmed by powder X-ray diffraction. Under high-resolution electron microscope observation, the as-prepared particles are spherical and porous, with uniform particle size. On investigation of the electrochemical properties of V 2 O 5 synthesized by this method, it is found that the initial specific capacity of the V 2 O 5 is 399 mAh g -1 , and it exhibits good cycleability during the discharge and charge processes. The experimental results suggest that V 2 O 5 synthesized by this method could be a promising electrode material for lithium-ion batteries.

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## Abstract Vanadium oxide nanorods were prepared by a hydrothermal route and then tested as a transducer for a resistive‐type gas sensor. The importance of control of pH and pressure during the synthesis of 1D crystals of vanadium oxide was demonstrated for the V~2~O~5~/ethanol mixture, which serv