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A zwitterionic gel electrolyte for efficient solid-state supercapacitors

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  • Xu Peng

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Huili Liu

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Qin Yin

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Junchi Wu

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Pengzuo Chen

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Guangzhao Zhang

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Guangming Liu

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Changzheng Wu

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

  • Yi Xie

    (Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Centre of Chemistry for Energy Materials), Hefei Science Center (CAS), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China)

Abstract

Gel electrolytes have attracted increasing attention for solid-state supercapacitors. An ideal gel electrolyte usually requires a combination of advantages of high ion migration rate, reasonable mechanical strength and robust water retention ability at the solid state for ensuring excellent work durability. Here we report a zwitterionic gel electrolyte that successfully brings the synergic advantages of robust water retention ability and ion migration channels, manifesting in superior electrochemical performance. When applying the zwitterionic gel electrolyte, our graphene-based solid-state supercapacitor reaches a volume capacitance of 300.8 F cm−3 at 0.8 A cm−3 with a rate capacity of only 14.9% capacitance loss as the current density increases from 0.8 to 20 A cm−3, representing the best value among the previously reported graphene-based solid-state supercapacitors, to the best of our knowledge. We anticipate that zwitterionic gel electrolyte may be developed as a gel electrolyte in solid-state supercapacitors.

Suggested Citation

  • Xu Peng & Huili Liu & Qin Yin & Junchi Wu & Pengzuo Chen & Guangzhao Zhang & Guangming Liu & Changzheng Wu & Yi Xie, 2016. "A zwitterionic gel electrolyte for efficient solid-state supercapacitors," Nature Communications, Nature, vol. 7(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11782
    DOI: 10.1038/ncomms11782
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    Cited by:

    1. Yang, Yang & Xing, Kai & Yan, Minyue & Zhu, Xun & Ye, Dingding & Chen, Rong & Liao, Qiang, 2023. "A potential flexible fuel cell with dual-functional hydrogel based on multi-component crosslinked hybrid polyvinyl alcohol," Energy, Elsevier, vol. 265(C).
    2. Muhammad Yaseen & Muhammad Arif Khan Khattak & Muhammad Humayun & Muhammad Usman & Syed Shaheen Shah & Shaista Bibi & Bakhtiar Syed Ul Hasnain & Shah Masood Ahmad & Abbas Khan & Nasrullah Shah & Asif , 2021. "A Review of Supercapacitors: Materials Design, Modification, and Applications," Energies, MDPI, vol. 14(22), pages 1-40, November.
    3. Patil, Bebi & Ahn, Suhyun & Park, Changyong & Song, Hyeonjun & Jeong, Youngjin & Ahn, Heejoon, 2018. "Simple and novel strategy to fabricate ultra-thin, lightweight, stackable solid-state supercapacitors based on MnO2-incorporated CNT-web paper," Energy, Elsevier, vol. 142(C), pages 608-616.
    4. Maitra, Anirban & Bera, Ranadip & Halder, Lopamudra & Bera, Aswini & Paria, Sarbaranjan & Karan, Sumanta Kumar & Si, Suman Kumar & De, Anurima & Ojha, Suparna & Khatua, Bhanu Bhusan, 2021. "Photovoltaic and triboelectrification empowered light-weight flexible self-charging asymmetric supercapacitor cell for self-powered multifunctional electronics," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).

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