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Accelerated discovery of cathode materials with prolonged cycle life for lithium-ion battery

Author

Listed:
  • Motoaki Nishijima

    (Materials and Energy Technology Laboratories, SHARP Corporation)

  • Takuya Ootani

    (Materials and Energy Technology Laboratories, SHARP Corporation)

  • Yuichi Kamimura

    (Materials and Energy Technology Laboratories, SHARP Corporation)

  • Toshitsugu Sueki

    (Materials and Energy Technology Laboratories, SHARP Corporation)

  • Shogo Esaki

    (Materials and Energy Technology Laboratories, SHARP Corporation)

  • Shunsuke Murai

    (Kyoto University)

  • Koji Fujita

    (Kyoto University)

  • Katsuhisa Tanaka

    (Kyoto University)

  • Koji Ohira

    (Kyoto University)

  • Yukinori Koyama

    (Kyoto University)

  • Isao Tanaka

    (Kyoto University)

Abstract

Large-scale battery systems are essential for efficiently utilizing renewable energy power sources from solar and wind, which can generate electricity only intermittently. The use of lithium-ion batteries to store the generated energy is one solution. A long cycle life is critical for lithium-ion battery when used in these applications; this is different from portable devices which require 1,000 cycles at most. Here we demonstrate a novel co-substituted lithium iron phosphate cathode with estimated 70%-capacity retention of 25,000 cycles. This is found by exploring a wide chemical compositional space using density functional theory calculations. Relative volume change of a compound between fully lithiated and delithiated conditions is used as the descriptor for the cycle life. On the basis of the results of the screening, synthesis of selected materials is targeted. Single-phase samples with the required chemical composition are successfully made by an epoxide-mediated sol–gel method. The optimized materials show excellent cycle-life performance as lithium-ion battery cathodes.

Suggested Citation

  • Motoaki Nishijima & Takuya Ootani & Yuichi Kamimura & Toshitsugu Sueki & Shogo Esaki & Shunsuke Murai & Koji Fujita & Katsuhisa Tanaka & Koji Ohira & Yukinori Koyama & Isao Tanaka, 2014. "Accelerated discovery of cathode materials with prolonged cycle life for lithium-ion battery," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5553
    DOI: 10.1038/ncomms5553
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    Cited by:

    1. Li, Yong & Yang, Jie & Song, Jian, 2017. "Efficient storage mechanisms and heterogeneous structures for building better next-generation lithium rechargeable batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 79(C), pages 1503-1512.
    2. Lingappan, Niranjanmurthi & Kong, Lingxi & Pecht, Michael, 2021. "The significance of aqueous binders in lithium-ion batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 147(C).
    3. Li, Yong & Yang, Jie & Song, Jian, 2017. "Design structure model and renewable energy technology for rechargeable battery towards greener and more sustainable electric vehicle," Renewable and Sustainable Energy Reviews, Elsevier, vol. 74(C), pages 19-25.

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