Abstract
Belt-like V6O13 precursor was successfully synthesized via a simple solvothermal method for the first time. The heat-treatment changed its chemical composition, morphology, structure and electrochemical performance. When heat-treated at 350 °C, the product is rod-like particles, which are 0.3 μm wide and 0.4 μm–2 μm long, exhibits the best electrochemical performance. At a rate of 0.1C and in the voltage range of 1.5–4.0 V, it delivered an initial discharge capacity of 323.5 mAhg−1. After 50 cycles, it can still sustain a discharge capacity of 267 mAhg−1. The enhanced electrochemical performance originates from its higher total conductivity, higher lithium diffusion coefficient and better structural reversibility.
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The authors gratefully acknowledge the National Nature Science Foundation of China (Project No. 51162005) and the Natural Science Foundation of Guangxi Province (2013GXNSFDA019028).
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He, J., Wang, W., Zou, Z. et al. Solvothermal synthesis and electrochemical performance of rod-like V6O13 as cathode material for lithium ion battery. J Electroceram 32, 276–282 (2014). https://doi.org/10.1007/s10832-014-9889-1
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DOI: https://doi.org/10.1007/s10832-014-9889-1