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A multi-responsive healable supercapacitor

Author

Listed:
  • Haili Qin

    (Hefei University of Technology)

  • Ping Liu

    (Hefei University of Technology)

  • Chuanrui Chen

    (Hefei University of Technology)

  • Huai-Ping Cong

    (Hefei University of Technology)

  • Shu-Hong Yu

    (University of Science and Technology of China)

Abstract

Self-healability is essential for supercapacitors to improve their reliability and lifespan when powering the electronics. However, the lack of a universal healing mechanism leads to low capacitive performance and unsatisfactory intelligence. Here, we demonstrate a multi-responsive healable supercapacitor with integrated configuration assembled from magnetic Fe3O4@Au/polyacrylamide (MFP) hydrogel-based electrodes and electrolyte and Ag nanowire films as current collectors. Beside a high mechanical strength, MFP hydrogel exhibits fast optical and magnetic healing properties arising from distinct photothermal and magneto-thermal triggered interfacial reconstructions. By growing electroactive polypyrrole nanoparticles into MFP framework as electrodes, the assembled supercapacitor exhibits triply-responsive healing performance under optical, electrical and magnetic stimuli. Notably, the device delivers a highest areal capacitance of 1264 mF cm−2 among the reported healable supercapacitors and restores ~ 90% of initial capacitances over ten healing cycles. These prominent performance advantages along with the facile device-assembly method make this emerging supercapacitor highly potential in the next-generation electronics.

Suggested Citation

  • 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.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24568-w
    DOI: 10.1038/s41467-021-24568-w
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    References listed on IDEAS

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    1. 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.
    2. Philippe Cordier & François Tournilhac & Corinne Soulié-Ziakovic & Ludwik Leibler, 2008. "Self-healing and thermoreversible rubber from supramolecular assembly," Nature, Nature, vol. 451(7181), pages 977-980, February.
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    Cited by:

    1. Ghosh, Sourav & Yadav, Sarita & Devi, Ambika & Thomas, Tiju, 2022. "Techno-economic understanding of Indian energy-storage market: A perspective on green materials-based supercapacitor technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 161(C).
    2. Rui Xu & Gilbert Santiago Cañón Bermúdez & Oleksandr V. Pylypovskyi & Oleksii M. Volkov & Eduardo Sergio Oliveros Mata & Yevhen Zabila & Rico Illing & Pavlo Makushko & Pavel Milkin & Leonid Ionov & Jü, 2022. "Self-healable printed magnetic field sensors using alternating magnetic fields," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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