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Graphene-modified nanostructured vanadium pentoxide hybrids with extraordinary electrochemical performance for Li-ion batteries

Author

Listed:
  • Qi Liu

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Zhe-Fei Li

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Yadong Liu

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Hangyu Zhang

    (School of Materials Engineering, Purdue University)

  • Yang Ren

    (Advanced Photon Source, Argonne National Laboratory)

  • Cheng-Jun Sun

    (Advanced Photon Source, Argonne National Laboratory)

  • Wenquan Lu

    (Argonne National Laboratory)

  • Yun Zhou

    (School of Materials Engineering, Purdue University)

  • Lia Stanciu

    (School of Materials Engineering, Purdue University
    Weldon School of Biomedical Engineering, Purdue University)

  • Eric A. Stach

    (Center for Functional Nanomaterials, Brookhaven National Laboratory)

  • Jian Xie

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

Abstract

The long-standing issues of low intrinsic electronic conductivity, slow lithium-ion diffusion and irreversible phase transitions on deep discharge prevent the high specific capacity/energy (443 mAh g−1 and 1,550 Wh kg−1) vanadium pentoxide from being used as the cathode material in practical battery applications. Here we develop a method to incorporate graphene sheets into vanadium pentoxide nanoribbons via the sol–gel process. The resulting graphene-modified nanostructured vanadium pentoxide hybrids contain only 2 wt. % graphene, yet exhibits extraordinary electrochemical performance: a specific capacity of 438 mAh g−1, approaching the theoretical value (443 mAh g−1), a long cyclability and significantly enhanced rate capability. Such performance is the result of the combined effects of the graphene on structural stability, electronic conduction, vanadium redox reaction and lithium-ion diffusion supported by various experimental studies. This method provides a new avenue to create nanostructured metal oxide/graphene materials for advanced battery applications.

Suggested Citation

  • Qi Liu & Zhe-Fei Li & Yadong Liu & Hangyu Zhang & Yang Ren & Cheng-Jun Sun & Wenquan Lu & Yun Zhou & Lia Stanciu & Eric A. Stach & Jian Xie, 2015. "Graphene-modified nanostructured vanadium pentoxide hybrids with extraordinary electrochemical performance for Li-ion batteries," Nature Communications, Nature, vol. 6(1), pages 1-10, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7127
    DOI: 10.1038/ncomms7127
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    Cited by:

    1. Rao, Yinzhao & Kong, Fanhou & Zheng, Yuanhao & Deng, Yuyi & Tabi, Maloba K. & Liang, Xue & Bai, Ruiqi & Bi, Xiaojia & Chen, Zelin & Wang, Dan & Yu, Xiaolong & Jiang, Hong & Li, Changjiu, 2022. "Order-disorder transition mechanism for high-capacity amorphous anodes of lithium-ion batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 165(C).
    2. Kong, Fanhou & Liang, Xue & Yi, Lanlin & Fang, Xiaohui & Yin, Zhongbin & Wang, Yulong & Zhang, Ruixiang & Liu, Longyang & Chen, Qing & Li, Minghan & Li, Changjiu & Jiang, Hong & Chen, Yongjun, 2021. "Multi-electron reactions for the synthesis of a vanadium-based amorphous material as lithium-ion battery cathode with high specific capacity," Energy, Elsevier, vol. 219(C).

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