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A new class of Solvent-in-Salt electrolyte for high-energy rechargeable metallic lithium batteries

Author

Listed:
  • Liumin Suo

    (Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Yong-Sheng Hu

    (Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Hong Li

    (Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Michel Armand

    (Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Liquan Chen

    (Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

Abstract

Liquid electrolyte plays a key role in commercial lithium-ion batteries to allow conduction of lithium-ion between cathode and anode. Traditionally, taking into account the ionic conductivity, viscosity and dissolubility of lithium salt, the salt concentration in liquid electrolytes is typically less than 1.2 mol l−1. Here we show a new class of ‘Solvent-in-Salt’ electrolyte with ultrahigh salt concentration and high lithium-ion transference number (0.73), in which salt holds a dominant position in the lithium-ion transport system. It remarkably enhances cyclic and safety performance of next-generation high-energy rechargeable lithium batteries via an effective suppression of lithium dendrite growth and shape change in the metallic lithium anode. Moreover, when used in lithium–sulphur battery, the advantage of this electrolyte is further demonstrated that lithium polysulphide dissolution is inhibited, thus overcoming one of today’s most challenging technological hurdles, the ‘polysulphide shuttle phenomenon’. Consequently, a coulombic efficiency nearing 100% and long cycling stability are achieved.

Suggested Citation

  • Liumin Suo & Yong-Sheng Hu & Hong Li & Michel Armand & Liquan Chen, 2013. "A new class of Solvent-in-Salt electrolyte for high-energy rechargeable metallic lithium batteries," Nature Communications, Nature, vol. 4(1), pages 1-9, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2513
    DOI: 10.1038/ncomms2513
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    Cited by:

    1. Balram Tripathi & Rajesh K. Katiyar & Gerardo Morell & Ambesh Dixit & Ram S. Katiyar, 2021. "BiFeO 3 Coupled Polysulfide Trapping in C/S Composite Cathode Material for Li-S Batteries as Large Efficiency and High Rate Performance," Energies, MDPI, vol. 14(24), pages 1-9, December.
    2. Minglei Mao & Xiao Ji & Qiyu Wang & Zejing Lin & Meiying Li & Tao Liu & Chengliang Wang & Yong-Sheng Hu & Hong Li & Xuejie Huang & Liquan Chen & Liumin Suo, 2023. "Anion-enrichment interface enables high-voltage anode-free lithium metal batteries," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Chuanlong Wang & Akila C. Thenuwara & Jianmin Luo & Pralav P. Shetty & Matthew T. McDowell & Haoyu Zhu & Sergio Posada-Pérez & Hui Xiong & Geoffroy Hautier & Weiyang Li, 2022. "Extending the low-temperature operation of sodium metal batteries combining linear and cyclic ether-based electrolyte solutions," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Li, Yong & Yang, Jie & Song, Jian, 2015. "Microscale characterization of coupled degradation mechanism of graded materials in lithium batteries of electric vehicles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 50(C), pages 1445-1461.
    5. Guinevere A. Giffin, 2022. "The role of concentration in electrolyte solutions for non-aqueous lithium-based batteries," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    6. Li, Yong & Yang, Jie & Song, Jian, 2016. "Structural model, size effect and nano-energy system design for more sustainable energy of solid state automotive battery," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 685-697.
    7. Li, Yong & Yang, Jie & Song, Jian, 2016. "Nano-energy system coupling model and failure characterization of lithium ion battery electrode in electric energy vehicles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 1250-1261.
    8. Yue Chen & Wenkai Wu & Sergio Gonzalez-Munoz & Leonardo Forcieri & Charlie Wells & Samuel P. Jarvis & Fangling Wu & Robert Young & Avishek Dey & Mark Isaacs & Mangayarkarasi Nagarathinam & Robert G. P, 2023. "Nanoarchitecture factors of solid electrolyte interphase formation via 3D nano-rheology microscopy and surface force-distance spectroscopy," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    9. Junyeob Moon & Dong Ok Kim & Lieven Bekaert & Munsoo Song & Jinkyu Chung & Danwon Lee & Annick Hubin & Jongwoo Lim, 2022. "Non-fluorinated non-solvating cosolvent enabling superior performance of lithium metal negative electrode battery," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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