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Hydrogen substituted graphdiyne as carbon-rich flexible electrode for lithium and sodium ion batteries

Author

Listed:
  • Jianjiang He

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Ning Wang

    (Chinese Academy of Sciences)

  • Zili Cui

    (Chinese Academy of Sciences)

  • Huiping Du

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Lin Fu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Changshui Huang

    (Chinese Academy of Sciences)

  • Ze Yang

    (Chinese Academy of Sciences)

  • Xiangyan Shen

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yuanping Yi

    (Chinese Academy of Sciences)

  • Zeyi Tu

    (Chinese Academy of Sciences)

  • Yuliang Li

    (Chinese Academy of Sciences)

Abstract

Organic electrodes are potential alternatives to current inorganic electrode materials for lithium ion and sodium ion batteries powering portable and wearable electronics, in terms of their mechanical flexibility, function tunability and low cost. However, the low capacity, poor rate performance and rapid capacity degradation impede their practical application. Here, we concentrate on the molecular design for improved conductivity and capacity, and favorable bulk ion transport. Through an in situ cross-coupling reaction of triethynylbenzene on copper foil, the carbon-rich frame hydrogen substituted graphdiyne film is fabricated. The organic film can act as free-standing flexible electrode for both lithium ion and sodium ion batteries, and large reversible capacities of 1050 mAh g−1 for lithium ion batteries and 650 mAh g−1 for sodium ion batteries are achieved. The electrode also shows a superior rate and cycle performances owing to the extended π-conjugated system, and the hierarchical pore bulk with large surface area.

Suggested Citation

  • Jianjiang He & Ning Wang & Zili Cui & Huiping Du & Lin Fu & Changshui Huang & Ze Yang & Xiangyan Shen & Yuanping Yi & Zeyi Tu & Yuliang Li, 2017. "Hydrogen substituted graphdiyne as carbon-rich flexible electrode for lithium and sodium ion batteries," Nature Communications, Nature, vol. 8(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-01202-2
    DOI: 10.1038/s41467-017-01202-2
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    Cited by:

    1. Chen, Tianju & Zhang, Juan & Wang, Zhiqi & Zhao, Ruidong & He, Jianjiang & Wu, Jinhu & Qin, Jianguang, 2020. "Oxygen-enriched gasification of lignocellulosic biomass: Syngas analysis, physicochemical characteristics of the carbon-rich material and its utilization as an anode in lithium ion battery," Energy, Elsevier, vol. 212(C).

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