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Low-Temperature Ionic-Liquid-Based Synthesis of Nanostructured Iron-Based Fluoride Cathodes for Lithium Batteries

Authors

  • Chilin Li,

    Corresponding author
    1. Max Planck Institute for Solid State Research, Heisenbergstraße 1, D-70569 Stuttgart (Germany)
    • Max Planck Institute for Solid State Research, Heisenbergstraße 1, D-70569 Stuttgart (Germany)
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  • Lin Gu,

    Corresponding author
    1. Max Planck Institute for Metals Research, Heisenbergstraße 3, D-70569 Stuttgart (Germany)
    2. WPI Advanced Institue for Materials Research, Tohoku University, 2–1-1 Katahira, Aoba-ku, Sendai 980–8577 (Japan)
    • WPI Advanced Institue for Materials Research, Tohoku University, 2–1-1 Katahira, Aoba-ku, Sendai 980–8577 (Japan).
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  • Susumu Tsukimoto,

    1. WPI Advanced Institue for Materials Research, Tohoku University, 2–1-1 Katahira, Aoba-ku, Sendai 980–8577 (Japan)
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  • Peter A. van Aken,

    1. Max Planck Institute for Metals Research, Heisenbergstraße 3, D-70569 Stuttgart (Germany)
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  • Joachim Maier

    1. Max Planck Institute for Solid State Research, Heisenbergstraße 1, D-70569 Stuttgart (Germany)
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Abstract

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A mesoporous iron-based fluoride cathode for lithium batteries is fabricated by a novel low-temperature non-aqueous synthesis based on ionic liquid medium. The hydration-water-induced microstructural optimization and morphological decoration are expected to contribute positively to both the large reversible Li-storage capacity and the high reactive voltage of carbon-free FeF3 · 0.33H2O at room temperature.

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