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Issue 17, 2016
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Facile hydrothermal growth of VO2 nanowire, nanorod and nanosheet arrays as binder free cathode materials for sodium batteries

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Abstract

Owing to the natural abundance and low standard potential of sodium, sodium-ion batteries are now considered to be promising power systems for electric vehicles and stationary energy storage. Herein, for the first time, we report the synthesis of VO2 nanowire, nanobelt and nanosheet arrays with preferential (110) orientation on conductive titanium foil by a simple time-dependent hydrothermal method. The morphological and crystallization evolution processes of these products are investigated via XRD, SEM, Raman and TEM in detail. The effect of VO2 morphology on sodium storage performance is also probed by charge–discharge and EIS. Benefiting from the unique morphological features, the VO2 nanowire array shows a superior cycle ability of 160 mA h g−1 after 200 cycles and high rate ability even at 1 A g−1.

Graphical abstract: Facile hydrothermal growth of VO2 nanowire, nanorod and nanosheet arrays as binder free cathode materials for sodium batteries

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Publication details

The article was received on 29 Nov 2015, accepted on 25 Jan 2016 and first published on 28 Jan 2016


Article type: Paper
DOI: 10.1039/C5RA25345D
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Citation: RSC Adv., 2016,6, 14314-14320
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    Facile hydrothermal growth of VO2 nanowire, nanorod and nanosheet arrays as binder free cathode materials for sodium batteries

    H. Wang, W. Li, H. Fei, L. Guo, J. Feng, L. Ci and S. Xiong, RSC Adv., 2016, 6, 14314
    DOI: 10.1039/C5RA25345D

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