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Tin-graphene tubes as anodes for lithium-ion batteries with high volumetric and gravimetric energy densities

Author

Listed:
  • Runwei Mo

    (University of California)

  • Xinyi Tan

    (University of California)

  • Fan Li

    (University of California)

  • Ran Tao

    (University of California)

  • Jinhui Xu

    (University of California)

  • Dejia Kong

    (University of California)

  • Zhiyong Wang

    (University of California)

  • Bin Xu

    (Jilin University)

  • Xiang Wang

    (Pacific Northwest National Laboratory)

  • Chongmin Wang

    (Pacific Northwest National Laboratory)

  • Jinlai Li

    (ENN Group, Langfang)

  • Yiting Peng

    (Shanghai University of Electric Power)

  • Yunfeng Lu

    (University of California)

Abstract

Limited by the size of microelectronics, as well as the space of electrical vehicles, there are tremendous demands for lithium-ion batteries with high volumetric energy densities. Current lithium-ion batteries, however, adopt graphite-based anodes with low tap density and gravimetric capacity, resulting in poor volumetric performance metric. Here, by encapsulating nanoparticles of metallic tin in mechanically robust graphene tubes, we show tin anodes with high volumetric and gravimetric capacities, high rate performance, and long cycling life. Pairing with a commercial cathode material LiNi0.6Mn0.2Co0.2O2, full cells exhibit a gravimetric and volumetric energy density of 590 W h Kg−1 and 1,252 W h L−1, respectively, the latter of which doubles that of the cell based on graphite anodes. This work provides an effective route towards lithium-ion batteries with high energy density for a broad range of applications.

Suggested Citation

  • Runwei Mo & Xinyi Tan & Fan Li & Ran Tao & Jinhui Xu & Dejia Kong & Zhiyong Wang & Bin Xu & Xiang Wang & Chongmin Wang & Jinlai Li & Yiting Peng & Yunfeng Lu, 2020. "Tin-graphene tubes as anodes for lithium-ion batteries with high volumetric and gravimetric energy densities," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14859-z
    DOI: 10.1038/s41467-020-14859-z
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