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A self-healable and highly stretchable supercapacitor based on a dual crosslinked polyelectrolyte

Author

Listed:
  • Yan Huang

    (City University of Hong Kong)

  • Ming Zhong

    (Laboratory of Advanced Materials (MOE), Tsinghua University)

  • Yang Huang

    (City University of Hong Kong)

  • Minshen Zhu

    (City University of Hong Kong)

  • Zengxia Pei

    (City University of Hong Kong)

  • Zifeng Wang

    (City University of Hong Kong)

  • Qi Xue

    (City University of Hong Kong)

  • Xuming Xie

    (Laboratory of Advanced Materials (MOE), Tsinghua University)

  • Chunyi Zhi

    (City University of Hong Kong
    Shenzhen Research Institute, City University of Hong Kong)

Abstract

Superior self-healability and stretchability are critical elements for the practical wide-scale adoption of personalized electronics such as portable and wearable energy storage devices. However, the low healing efficiency of self-healable supercapacitors and the small strain of stretchable supercapacitors are fundamentally limited by conventional polyvinyl alcohol-based acidic electrolytes, which are intrinsically neither self-healable nor highly stretchable. Here we report an electrolyte comprising polyacrylic acid dual crosslinked by hydrogen bonding and vinyl hybrid silica nanoparticles, which displays all superior functions and provides a solution to the intrinsic self-healability and high stretchability problems of a supercapacitor. Supercapacitors with this electrolyte are non-autonomic self-healable, retaining the capacitance completely even after 20 cycles of breaking/healing. These supercapacitors are stretched up to 600% strain with enhanced performance using a designed facile electrode fabrication procedure.

Suggested Citation

  • Yan Huang & Ming Zhong & Yang Huang & Minshen Zhu & Zengxia Pei & Zifeng Wang & Qi Xue & Xuming Xie & Chunyi Zhi, 2015. "A self-healable and highly stretchable supercapacitor based on a dual crosslinked polyelectrolyte," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms10310
    DOI: 10.1038/ncomms10310
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    Cited by:

    1. Haili Qin & Ping Liu & Chuanrui Chen & Huai-Ping Cong & Shu-Hong Yu, 2021. "A multi-responsive healable supercapacitor," Nature Communications, Nature, vol. 12(1), pages 1-11, December.

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