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Highly nitrogen doped carbon nanofibers with superior rate capability and cyclability for potassium ion batteries

Author

Listed:
  • Yang Xu

    (Technische Universität Ilmenau)

  • Chenglin Zhang

    (Shanghai University)

  • Min Zhou

    (Technische Universität Ilmenau)

  • Qun Fu

    (Shanghai University)

  • Chengxi Zhao

    (East China University of Science and Technology)

  • Minghong Wu

    (Shanghai University)

  • Yong Lei

    (Technische Universität Ilmenau)

Abstract

Potassium-ion batteries are a promising alternative to lithium-ion batteries. However, it is challenging to achieve fast charging/discharging and long cycle life with the current electrode materials because of the sluggish potassiation kinetics. Here we report a soft carbon anode, namely highly nitrogen-doped carbon nanofibers, with superior rate capability and cyclability. The anode delivers reversible capacities of 248 mAh g–1 at 25 mA g–1 and 101 mAh g–1 at 20 A g–1, and retains 146 mAh g–1 at 2 A g–1 after 4000 cycles. Surface-dominated K-storage is verified by quantitative kinetics analysis and theoretical investigation. A full cell coupling the anode and Prussian blue cathode delivers a reversible capacity of 195 mAh g–1 at 0.2 A g–1. Considering the cost-effectiveness and material sustainability, our work may shed some light on searching for K-storage materials with high performance.

Suggested Citation

  • Yang Xu & Chenglin Zhang & Min Zhou & Qun Fu & Chengxi Zhao & Minghong Wu & Yong Lei, 2018. "Highly nitrogen doped carbon nanofibers with superior rate capability and cyclability for potassium ion batteries," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04190-z
    DOI: 10.1038/s41467-018-04190-z
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    Cited by:

    1. Hongbo Ding & Jue Wang & Jiang Zhou & Chengxin Wang & Bingan Lu, 2023. "Building electrode skins for ultra-stable potassium metal batteries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Elizabeth A. Moore & Callie W. Babbitt & Brian Tomaszewski & Anna Christina Tyler, 2020. "Spatial perspectives enhance modeling of nanomaterial risks," Journal of Industrial Ecology, Yale University, vol. 24(4), pages 855-870, August.
    3. Tang, Kejian & Peng, Xiangqi & Chen, Shuijiao & Song, Fei & Liu, Zhichao & Hu, Jian & Xie, Xiuqiang & Wu, Zhenjun, 2022. "Hierarchically porous carbon derived from delignified biomass for high sulfur-loading room-temperature sodium-sulfur batteries," Renewable Energy, Elsevier, vol. 201(P1), pages 832-840.
    4. Zhong, Fulan & Wang, Yijun & Li, Guilan & Huang, Chuyun & Xu, Anding & Lin, Changrong & Xu, Zhiguang & Yan, Yurong & Wu, Songping, 2021. "Beyond-carbon materials for potassium ion energy-storage devices," Renewable and Sustainable Energy Reviews, Elsevier, vol. 146(C).
    5. Lee, Seung Jun & Theerthagiri, Jayaraman & Nithyadharseni, Palaniyandy & Arunachalam, Prabhakarn & Balaji, Dhandapani & Madan Kumar, Arumugam & Madhavan, Jagannathan & Mittal, Vikas & Choi, Myong Yong, 2021. "Heteroatom-doped graphene-based materials for sustainable energy applications: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 143(C).

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