Abstract
Abstract Metastable VO2 nanorods, designated as VO2(B) with diameters of 80–250 nm were synthesized via a PEG-assisted hydrothermal approach. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM) methods. The electrochemical properties of as-obtained VO2(B) nanorods were studied by galvanostatic tests. The as-synthesized VO2(B) nanorods showed an initial discharge capacity of 310 and 250 mA h g−1 in the 30th cycle in the potential range 1–3.5 V.
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