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Wearable energy-dense and power-dense supercapacitor yarns enabled by scalable graphene–metallic textile composite electrodes

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  • Libin Liu

    (Nanotechnology Center, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
    Shandong Provincial Key Laboratory of Fine Chemicals, Key Laboratory of Fine Chemicals in Universities of Shandong, Qilu University of Technology)

  • You Yu

    (Nanotechnology Center, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
    Advanced Research Centre for Fashion and Textiles, The Hong Kong Polytechnic University Shenzhen Research Institute)

  • Casey Yan

    (Nanotechnology Center, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
    Advanced Research Centre for Fashion and Textiles, The Hong Kong Polytechnic University Shenzhen Research Institute)

  • Kan Li

    (Nanotechnology Center, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China)

  • Zijian Zheng

    (Nanotechnology Center, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
    Advanced Research Centre for Fashion and Textiles, The Hong Kong Polytechnic University Shenzhen Research Institute)

Abstract

One-dimensional flexible supercapacitor yarns are of considerable interest for future wearable electronics. The bottleneck in this field is how to develop devices of high energy and power density, by using economically viable materials and scalable fabrication technologies. Here we report a hierarchical graphene–metallic textile composite electrode concept to address this challenge. The hierarchical composite electrodes consist of low-cost graphene sheets immobilized on the surface of Ni-coated cotton yarns, which are fabricated by highly scalable electroless deposition of Ni and electrochemical deposition of graphene on commercial cotton yarns. Remarkably, the volumetric energy density and power density of the all solid-state supercapacitor yarn made of one pair of these composite electrodes are 6.1 mWh cm−3 and 1,400 mW cm−3, respectively. In addition, this SC yarn is lightweight, highly flexible, strong, durable in life cycle and bending fatigue tests, and integratable into various wearable electronic devices.

Suggested Citation

  • Libin Liu & You Yu & Casey Yan & Kan Li & Zijian Zheng, 2015. "Wearable energy-dense and power-dense supercapacitor yarns enabled by scalable graphene–metallic textile composite electrodes," Nature Communications, Nature, vol. 6(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8260
    DOI: 10.1038/ncomms8260
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    Cited by:

    1. Caixia Li & Yongsheng Zhu & Fengxin Sun & Changjun Jia & Tianming Zhao & Yupeng Mao & Haidong Yang, 2022. "Research Progress on Triboelectric Nanogenerator for Sports Applications," Energies, MDPI, vol. 15(16), pages 1-15, August.
    2. Lamiel, Charmaine & Nguyen, Van Hoa & Hussain, Iftikhar & Shim, Jae-Jin, 2017. "Enhancement of electrochemical performance of nickel cobalt layered double hydroxide@nickel foam with potassium ferricyanide auxiliary electrolyte," Energy, Elsevier, vol. 140(P1), pages 901-911.
    3. Olabi, A.G. & Abdelkareem, Mohammad Ali & Wilberforce, Tabbi & Sayed, Enas Taha, 2021. "Application of graphene in energy storage device – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 135(C).

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