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Three-dimensional porous carbon composites containing high sulfur nanoparticle content for high-performance lithium–sulfur batteries

Author

Listed:
  • Guoxing Li

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Jinhua Sun

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Wenpeng Hou

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Shidong Jiang

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Yong Huang

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

  • Jianxin Geng

    (Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

Abstract

Sulfur is a promising cathode material for lithium–sulfur batteries because of its high theoretical capacity (1,675 mA h g−1); however, its low electrical conductivity and the instability of sulfur-based electrodes limit its practical application. Here we report a facile in situ method for preparing three-dimensional porous graphitic carbon composites containing sulfur nanoparticles (3D S@PGC). With this strategy, the sulfur content of the composites can be tuned to a high level (up to 90 wt%). Because of the high sulfur content, the nanoscale distribution of the sulfur particles, and the covalent bonding between the sulfur and the PGC, the developed 3D S@PGC cathodes exhibit excellent performance, with a high sulfur utilization, high specific capacity (1,382, 1,242 and 1,115 mA h g−1 at 0.5, 1 and 2 C, respectively), long cycling life (small capacity decay of 0.039% per cycle over 1,000 cycles at 2 C) and excellent rate capability at a high charge/discharge current.

Suggested Citation

  • Guoxing Li & Jinhua Sun & Wenpeng Hou & Shidong Jiang & Yong Huang & Jianxin Geng, 2016. "Three-dimensional porous carbon composites containing high sulfur nanoparticle content for high-performance lithium–sulfur batteries," Nature Communications, Nature, vol. 7(1), pages 1-10, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10601
    DOI: 10.1038/ncomms10601
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    Cited by:

    1. Wu, Yaqin & Wang, Feiyue & Fan, Zhupu & Wang, Zihang & Yang, Wenying & Ju, Wenqin & Lei, Weixin & Zou, Youlan & Ma, Zengsheng, 2022. "Internally enhanced conductive 3D porous hierarchical biochar framework for lithium sulfur battery," Energy, Elsevier, vol. 255(C).
    2. Tiwari, Vimal K. & Song, Hyeonjun & Oh, Yeonjae & Jeong, Youngjin, 2020. "Synthesis of sulfur-co-polymer/porous long carbon nanotubes composite cathode by chemical and physical binding for high performance lithium-sulfur batteries," Energy, Elsevier, vol. 195(C).

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