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Electrospun Li3V2(PO4)3/carbon nanofiber as cathode materials for the high-performance lithium-ion batteries

Mengxi Zhao, Zhongpei Lu, Lin Chen, Xuefan Jiang, Fan Yin, Gang Yang

Abstract: In this paper, a series of Li3V2(PO4)3/C composite nanofibers is prepared by a facile and environmentally friendly electrospinning method and calcined under different temperatures. The LVP nanofiber calcined under 900 ℃ exhibits the best electrochemical performance. The bicontinuous morphologies of LVP/CNF are the fibers shrunk and the LVP crystals simultaneously grown. At the range of 3.0–4.3 V, LVP/CNF obtained under 900 ℃ delivers the initial capacity of 135 mAh/g, close to the theoretical capacity of LVP. Even at high current density, the sample of LVP/CNF still presents good electrochemical performance.
Keywords: nanofiber / PO4 / Li3V2 / calcined / simultaneously / bicontinuous / fibers / morphologies / electrospinning / shrunk

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