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Pie-like electrode design for high-energy density lithium–sulfur batteries

Author

Listed:
  • Zhen Li

    (School of Chemical and Biomedical Engineering, Nanyang Technological University)

  • Jin Tao Zhang

    (School of Chemical and Biomedical Engineering, Nanyang Technological University)

  • Yu Ming Chen

    (School of Chemical and Biomedical Engineering, Nanyang Technological University)

  • Ju Li

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Xiong Wen (David) Lou

    (School of Chemical and Biomedical Engineering, Nanyang Technological University)

Abstract

Owing to the overwhelming advantage in energy density, lithium–sulfur (Li–S) battery is a promising next-generation electrochemical energy storage system. Despite many efforts in pursuing long cycle life, relatively little emphasis has been placed on increasing the areal energy density. Herein, we have designed and developed a ‘pie’ structured electrode, which provides an excellent balance between gravimetric and areal energy densities. Combining lotus root-like multichannel carbon nanofibers ‘filling’ and amino-functionalized graphene ‘crust’, the free-standing paper electrode (S mass loading: 3.6 mg cm−2) delivers high specific capacity of 1,314 mAh g−1 (4.7 mAh cm−2) at 0.1 C (0.6 mA cm−2) accompanied with good cycling stability. Moreover, the areal capacity can be further boosted to more than 8 mAh cm−2 by stacking three layers of paper electrodes with S mass loading of 10.8 mg cm−2.

Suggested Citation

  • Zhen Li & Jin Tao Zhang & Yu Ming Chen & Ju Li & Xiong Wen (David) Lou, 2015. "Pie-like electrode design for high-energy density lithium–sulfur batteries," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9850
    DOI: 10.1038/ncomms9850
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    Cited by:

    1. Liang Peng & Huarong Peng & Steven Wang & Xingjin Li & Jiaying Mo & Xiong Wang & Yun Tang & Renchao Che & Zuankai Wang & Wei Li & Dongyuan Zhao, 2023. "One-dimensionally oriented self-assembly of ordered mesoporous nanofibers featuring tailorable mesophases via kinetic control," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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