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All-temperature batteries enabled by fluorinated electrolytes with non-polar solvents

Author

Listed:
  • Xiulin Fan

    (University of Maryland
    Zhejiang University)

  • Xiao Ji

    (University of Maryland)

  • Long Chen

    (University of Maryland)

  • Ji Chen

    (University of Maryland)

  • Tao Deng

    (University of Maryland)

  • Fudong Han

    (University of Maryland)

  • Jie Yue

    (University of Maryland)

  • Nan Piao

    (University of Maryland)

  • Ruixing Wang

    (University of Maryland)

  • Xiuquan Zhou

    (University of Maryland)

  • Xuezhang Xiao

    (Zhejiang University)

  • Lixin Chen

    (Zhejiang University)

  • Chunsheng Wang

    (University of Maryland
    University of Maryland)

Abstract

Carbonate electrolytes are commonly used in commercial non-aqueous Li-ion batteries. However, the high affinity between the solvents and the ions and high flammability of the carbonate electrolytes limits the battery operation temperature window to −20 to + 50 °C and the voltage window to 0.0 to 4.3 V. Here, we tame the affinity between solvents and Li ions by dissolving fluorinated electrolytes into highly fluorinated non-polar solvents. In addition to their non-flammable characteristic, our electrolytes enable high electrochemical stability in a wide voltage window of 0.0 to 5.6 V, and high ionic conductivities in a wide temperature range from −125 to + 70 °C. We show that between −95 and + 70 °C, the electrolytes enable LiNi0.8Co0.15Al0.05O2 cathodes to achieve high Coulombic efficiencies of >99.9%, and the aggressive Li anodes and the high-voltage (5.4 V) LiCoMnO4 to achieve Coulombic efficiencies of >99.4% and 99%, respectively. Even at −85 °C, the LiNi0.8Co0.15Al0.05O2 || Li battery can still deliver ~50% of its room-temperature capacity.

Suggested Citation

  • Xiulin Fan & Xiao Ji & Long Chen & Ji Chen & Tao Deng & Fudong Han & Jie Yue & Nan Piao & Ruixing Wang & Xiuquan Zhou & Xuezhang Xiao & Lixin Chen & Chunsheng Wang, 2019. "All-temperature batteries enabled by fluorinated electrolytes with non-polar solvents," Nature Energy, Nature, vol. 4(10), pages 882-890, October.
    • Handle: RePEc:nat:natene:v:4:y:2019:i:10:d:10.1038_s41560-019-0474-3
    DOI: 10.1038/s41560-019-0474-3
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    Cited by:

    1. Shi, Xingyi & Li, Guangzhe & Zhang, Ruihan & Esan, Oladapo Christopher & Huo, Xiaoyu & Wu, Qixing & An, Liang, 2024. "Operation of rechargeable metal-ion batteries in low-temperature environments," Renewable and Sustainable Energy Reviews, Elsevier, vol. 189(PA).
    2. Yanfei Zhu & Zhoujie Lao & Mengtian Zhang & Tingzheng Hou & Xiao Xiao & Zhihong Piao & Gongxun Lu & Zhiyuan Han & Runhua Gao & Lu Nie & Xinru Wu & Yanze Song & Chaoyuan Ji & Jian Wang & Guangmin Zhou, 2024. "A locally solvent-tethered polymer electrolyte for long-life lithium metal batteries," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    3. Shang Zhu & Bharath Ramsundar & Emil Annevelink & Hongyi Lin & Adarsh Dave & Pin-Wen Guan & Kevin Gering & Venkatasubramanian Viswanathan, 2024. "Differentiable modeling and optimization of non-aqueous Li-based battery electrolyte solutions using geometric deep learning," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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