Preparation and Electrochemical Properties of VO2(B) Nanobelts

Hou Bin Li; Mei Juan Fan; Yi Fu Zhang; Chi Huang; Guang Yong Xie; Xing Hai Liu

doi:10.4028/www.scientific.net/AMM.80-81.327

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 80-81Preparation and Electrochemical Properties of...

Preparation and Electrochemical Properties of VO₂(B) Nanobelts

Abstract:

VO₂(B) nanobelts have been successfully prepared in V₂O₅ and water mixed suspension assisted by polyvinyl alcohol (PVA) via a mild hydrothermal approach. The as-obtained VO₂ nanobelts are several hundred nanometers to several micrometers long, typically 100-300 nm wide and about 20-30 nm thick. It was found that PVA could not only act as the reducing reagent but also as the structure-directing reagent. Besides, the PVA-assisted solid-solution-solid (SSS) transformation mechanism was proposed to illuminate the possible formation mechanism of VO₂(B) nanobelts. Furthermore, the electrochemical properties of VO₂(B) nanobelts were studied and they exhibited a high initial discharge capacity of 268 mAh/g, indicating that VO₂(B) nanoblets are promising electrode materials in lithium battery.

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Periodical:

Applied Mechanics and Materials (Volumes 80-81)

Pages:

327-331

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.80-81.327

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Online since:

July 2011

Authors:

Hou Bin Li, Mei Juan Fan, Yi Fu Zhang, Chi Huang, Guang Yong Xie, Xing Hai Liu

Keywords:

Electrical Properties, Nanomaterial, Nanostructure, VO₂(B) Nanobelts

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