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Vanadium dioxide (VO 2 ) received tremendous interest lately due to its unique structural, electronic, and optoelectronic properties. VO 2 has been extensively used in electrochromic displays and memristors and its VO 2 (B) polymorph is extensively utilized as electrode material in energy storage applications. More studies are focused on VO 2 (B) nanostructures which displayed different energy storage behavior than the bulk VO 2 . The present review provides a systematic overview of the progress in VO 2 nanostructures syntheses and its application in energy storage devices. Herein, a general introduction, discussion about crystal structure, and syntheses of a variety of nanostructures such as nanowires, nanorods, nanobelts, nanotubes, carambola shaped, etc. are summarized. The energy storage application of VO 2 nanostructure and its composites are also described in detail and categorically, e.g. Li‐ion battery, Na‐ion battery, and supercapacitors. The current status and challenges associated with VO 2 nanostructures are reported. Finally, light has been shed for the overall performance improvement of VO 2 nanostructure as potential electrode material for future application.
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Khan et al. (2020) studied this question.
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