Electrochemical Properties of Trirutile-type Li<sub>2</sub>TiF<sub>6</sub> as Cathode Active Material in Li-ion Batteries

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  • GOCHEVA Irina D.
    Interdisciplinary Graduate School of Engineering and Material Sciences
  • Takayuki
    Institute of Materials Chemistry and Engineering, Kyushu University
  • OKADA Shigeto
    Institute of Materials Chemistry and Engineering, Kyushu University
  • YAMAKI Jun-ichi
    Institute of Materials Chemistry and Engineering, Kyushu University

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  • Electrochemical properties of trirutile-type Li2TiF6 as cathode active material in Li-ion batteries

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Description

The electrochemical properties of lithium hexafluorometalates as positive electrode materials were studied. Trirutile-type Li2TiF6 was synthesized through a complex-formation reaction under mild temperature conditions. In addition, a spray-drying technique was used to obtain electrodes with a large surface area. The electrochemical performance of the resultant Li2TiF6 powders was investigated vs. Li metal as negative electrode. Li2TiF6 exhibited an initial discharge capacity of 100 mAh g−1 at 2.7 V.

Journal

  • Electrochemistry

    Electrochemistry 78 (5), 471-474, 2010

    The Electrochemical Society of Japan

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