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Energy storing bricks for stationary PEDOT supercapacitors

Author

Listed:
  • Hongmin Wang

    (Washington University in St. Louis)

  • Yifan Diao

    (Washington University in St. Louis)

  • Yang Lu

    (Washington University in St. Louis)

  • Haoru Yang

    (Washington University in St. Louis)

  • Qingjun Zhou

    (Washington University in St. Louis)

  • Kenneth Chrulski

    (Washington University in St. Louis)

  • Julio M. D’Arcy

    (Washington University in St. Louis
    Washington University in St. Louis)

Abstract

Fired brick is a universal building material, produced by thousand-year-old technology, that throughout history has seldom served any other purpose. Here, we develop a scalable, cost-effective and versatile chemical synthesis using a fired brick to control oxidative radical polymerization and deposition of a nanofibrillar coating of the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT). A fired brick’s open microstructure, mechanical robustness and ~8 wt% α-Fe2O3 content afford an ideal substrate for developing electrochemical PEDOT electrodes and stationary supercapacitors that readily stack into modules. Five-minute epoxy serves as a waterproof case enabling the operation of our supercapacitors while submerged underwater and a gel electrolyte extends cycling stability to 10,000 cycles with ~90% capacitance retention.

Suggested Citation

  • Hongmin Wang & Yifan Diao & Yang Lu & Haoru Yang & Qingjun Zhou & Kenneth Chrulski & Julio M. D’Arcy, 2020. "Energy storing bricks for stationary PEDOT supercapacitors," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17708-1
    DOI: 10.1038/s41467-020-17708-1
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    Cited by:

    1. Castle, Jennifer L. & Hendry, David F., 2024. "Five sensitive intervention points to achieve climate neutrality by 2050, illustrated by the UK," Renewable Energy, Elsevier, vol. 226(C).
    2. Tiefeng Liu & Johanna Heimonen & Qilun Zhang & Chi-Yuan Yang & Jun-Da Huang & Han-Yan Wu & Marc-Antoine Stoeckel & Tom P. A. Pol & Yuxuan Li & Sang Young Jeong & Adam Marks & Xin-Yi Wang & Yuttapoom P, 2023. "Ground-state electron transfer in all-polymer donor:acceptor blends enables aqueous processing of water-insoluble conjugated polymers," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Sophie Griggs & Adam Marks & Dilara Meli & Gonzague Rebetez & Olivier Bardagot & Bryan D. Paulsen & Hu Chen & Karrie Weaver & Mohamad I. Nugraha & Emily A. Schafer & Joshua Tropp & Catherine M. Aitchi, 2022. "The effect of residual palladium on the performance of organic electrochemical transistors," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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