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Issue 20, 2018
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LISICON structured Li3V2(PO4)3 with high rate and ultralong life for low-temperature lithium-ion batteries

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Abstract

Current electrode materials for commercial lithium ion batteries (LIBs) suffer from poor low temperature electrochemical performance, which seriously limits their application in winter and cold climate areas. Herein, pure phase LISICON structured Li3V2(PO4)3 (r-LVP) was successfully prepared and investigated for the first time as a low temperature cathode for LIBs. Benefiting from a fast ionic conductive structure and high structural stability, the r-LVP exhibits an outstanding high rate performance in a wide temperature range from 25 °C to −20 °C. Even at −30 °C, a discharge capacity of 90 mA h g−1 at 0.2C can be achieved, corresponding to 80% of the room temperature capacity. After 5000 cycles at a high rate of 10C, 84% of the initial capacity can be retained at −10 °C. Such a high rate capability and long cycle stability promise r-LVP could be a competitive candidate for low temperature LIBs.

Graphical abstract: LISICON structured Li3V2(PO4)3 with high rate and ultralong life for low-temperature lithium-ion batteries

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Publication details

The article was received on 02 Feb 2018, accepted on 26 Apr 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8TA01124A
Citation: J. Mater. Chem. A, 2018,6, 9737-9746

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    LISICON structured Li3V2(PO4)3 with high rate and ultralong life for low-temperature lithium-ion batteries

    R. Qin, Y. Wei, T. Zhai and H. Li, J. Mater. Chem. A, 2018, 6, 9737
    DOI: 10.1039/C8TA01124A

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