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Poly(bis-arylimidazoliums) possessing high hydroxide ion exchange capacity and high alkaline stability

Author

Listed:
  • Jiantao Fan

    (Simon Fraser University)

  • Sapir Willdorf-Cohen

    (Technion-Israel Institute of Technology)

  • Eric M. Schibli

    (Simon Fraser University)

  • Zoe Paula

    (Simon Fraser University)

  • Wei Li

    (Simon Fraser University)

  • Thomas J. G. Skalski

    (Simon Fraser University)

  • Ania Tersakian Sergeenko

    (Simon Fraser University)

  • Amelia Hohenadel

    (Simon Fraser University)

  • Barbara J. Frisken

    (Simon Fraser University)

  • Emanuele Magliocca

    (University of Connecticut)

  • William E. Mustain

    (University of Connecticut)

  • Charles E. Diesendruck

    (Technion-Israel Institute of Technology)

  • Dario R. Dekel

    (Technion-Israel Institute of Technology)

  • Steven Holdcroft

    (Simon Fraser University)

Abstract

Solid polymer electrolyte electrochemical energy conversion devices that operate under highly alkaline conditions afford faster reaction kinetics and the deployment of inexpensive electrocatalysts compared with their acidic counterparts. The hydroxide anion exchange polymer is a key component of any solid polymer electrolyte device that operates under alkaline conditions. However, durable hydroxide-conducting polymer electrolytes in highly caustic media have proved elusive, because polymers bearing cations are inherently unstable under highly caustic conditions. Here we report a systematic investigation of novel arylimidazolium and bis-arylimidazolium compounds that lead to the rationale design of robust, sterically protected poly(arylimidazolium) hydroxide anion exchange polymers that possess a combination of high ion-exchange capacity and exceptional stability.

Suggested Citation

  • Jiantao Fan & Sapir Willdorf-Cohen & Eric M. Schibli & Zoe Paula & Wei Li & Thomas J. G. Skalski & Ania Tersakian Sergeenko & Amelia Hohenadel & Barbara J. Frisken & Emanuele Magliocca & William E. Mu, 2019. "Poly(bis-arylimidazoliums) possessing high hydroxide ion exchange capacity and high alkaline stability," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10292-z
    DOI: 10.1038/s41467-019-10292-z
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    Cited by:

    1. Wanjie Song & Kang Peng & Wei Xu & Xiang Liu & Huaqing Zhang & Xian Liang & Bangjiao Ye & Hongjun Zhang & Zhengjin Yang & Liang Wu & Xiaolin Ge & Tongwen Xu, 2023. "Upscaled production of an ultramicroporous anion-exchange membrane enables long-term operation in electrochemical energy devices," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Xu, Shicheng & Wu, Wanlong & Wan, Ruiying & Wei, Wei & Li, Yujiao & Wang, Jin & Sun, Xiaoqi & He, Ronghuan, 2022. "Tailoring the molecular structure of pyridine-based polymers for enhancing performance of anion exchange electrolyte membranes," Renewable Energy, Elsevier, vol. 194(C), pages 366-377.
    3. Chase L. Radford & Torben Saatkamp & Andrew J. Bennet & Steven Holdcroft, 2024. "An organic proton cage that is ultra-resistant to hydroxide-promoted degradation," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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