期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 112, 期 30, 页码 11552-11555出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp8011602
关键词
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Capacitive properties of vanadium oxides on carbon nanotubes (CNTs) have been investigated. In structural properties, the Raman spectrum shows the characteristic peaks Of V2O5, and XPS analysis predicts that the atomic ratio of as-prepared vanadium oxide is approximately the same as that of the stoichiometric V2O5, Cross-sectional scanning electron microscope images show that CNTs provide good support for uniform distribution of vanadium pentoxides. In capacitive behaviors, CNTs covered with uniformly dispersed oxides lead to a significantly improved capacitive performance, as compared with bare oxide films. Therefore, such V2O5/CNT nanocomposites are a potential material for power backup of hybrid electrical vehicles or portable electronics.
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