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Synthesis and characterization of VO2/mesoporous carbon composites for hybrid capacitors

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Abstract

VO2/ordered mesoporous carbon (CMK-3) composites were prepared by solid-state reaction process. The microstructures were characterized by X-ray diffraction (XRD), nitrogen adsorption and desorption, field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM). The experimental results showed that the vanadium oxide in the composites was vanadium dioxide (VO2) with monoclinic structure, which was artificially loaded on the outer surface of CMK-3. VO2/ordered mesoporous carbon composites present a significantly improved capacitive performance (131 F/g) increased by 40.86% compared to that of CMK-3 carbon (93 F/g). Therefore, as-prepared VO2/mesoporous carbon composites suggest promising applications in hybrid capacitors.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Liming Hu  (胡利明), Li Yu, Chunxia Zhao, Xi Long & Wen Chen  (陈文)

  2. China Building Materials Academy, Beijing, 100024, China

    Liming Hu  (胡利明)

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  1. Liming Hu  (胡利明)
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  2. Li Yu
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  3. Chunxia Zhao
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  4. Xi Long
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  5. Wen Chen  (陈文)
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Correspondence to Wen Chen  (陈文).

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Funded by the National Natural Science Foundation of China (Nos. 50772085, 50911120025)

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Hu, L., Yu, L., Zhao, C. et al. Synthesis and characterization of VO2/mesoporous carbon composites for hybrid capacitors. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 25, 574–578 (2010). https://doi.org/10.1007/s11595-010-0046-7

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  • DOI: https://doi.org/10.1007/s11595-010-0046-7

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