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Non-encapsulation approach for high-performance Li–S batteries through controlled nucleation and growth

Author

Listed:
  • Huilin Pan

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Junzheng Chen

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Ruiguo Cao

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Vijay Murugesan

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Nav Nidhi Rajput

    (Lawrence Berkeley National Laboratory)

  • Kee Sung Han

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Kristin Persson

    (Lawrence Berkeley National Laboratory
    University of California-Berkeley)

  • Luis Estevez

    (Pacific Northwest National Laboratory)

  • Mark H. Engelhard

    (Pacific Northwest National Laboratory)

  • Ji-Guang Zhang

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Karl T. Mueller

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Yi Cui

    (Stanford University, Stanford)

  • Yuyan Shao

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

  • Jun Liu

    (Pacific Northwest National Laboratory
    Pacific Northwest National Laboratory)

Abstract

High-surface-area, nanostructured carbon is widely used for encapsulating sulfur and improving the cyclic stability of Li–S batteries, but the high carbon content and low packing density limit the specific energy that can be achieved. Here we report an approach that does not rely on sulfur encapsulation. We used a low-surface-area, open carbon fibre architecture to control the nucleation and growth of the sulfur species by manipulating the carbon surface chemistry and the solvent properties, such as donor number and Li+ diffusivity. Our approach facilitates the formation of large open spheres and prevents the production of an undesired insulating sulfur-containing film on the carbon surface. This mechanism leads to ~100% sulfur utilization, almost no capacity fading, over 99% coulombic efficiency and high energy density (1,835 Wh kg−1 and 2,317 Wh l−1). This finding offers an alternative approach for designing high-energy and low-cost Li–S batteries through controlling sulfur reaction on low-surface-area carbon.

Suggested Citation

  • Huilin Pan & Junzheng Chen & Ruiguo Cao & Vijay Murugesan & Nav Nidhi Rajput & Kee Sung Han & Kristin Persson & Luis Estevez & Mark H. Engelhard & Ji-Guang Zhang & Karl T. Mueller & Yi Cui & Yuyan Sha, 2017. "Non-encapsulation approach for high-performance Li–S batteries through controlled nucleation and growth," Nature Energy, Nature, vol. 2(10), pages 813-820, October.
    • Handle: RePEc:nat:natene:v:2:y:2017:i:10:d:10.1038_s41560-017-0005-z
    DOI: 10.1038/s41560-017-0005-z
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    Cited by:

    1. Fu Liu & Wenqing Lu & Jiaqiang Huang & Vanessa Pimenta & Steven Boles & Rezan Demir-Cakan & Jean-Marie Tarascon, 2023. "Detangling electrolyte chemical dynamics in lithium sulfur batteries by operando monitoring with optical resonance combs," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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