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An organic proton cage that is ultra-resistant to hydroxide-promoted degradation

Author

Listed:
  • Chase L. Radford

    (Simon Fraser University)

  • Torben Saatkamp

    (Simon Fraser University)

  • Andrew J. Bennet

    (Simon Fraser University)

  • Steven Holdcroft

    (Simon Fraser University)

Abstract

Alkaline polymer membrane electrochemical energy conversion devices offer the prospect of using non-platinum group catalysts. However, their cationic functionalities are currently not sufficiently stable for vapor-phase applications, such as fuel cells. Herein, we report 1,6-diazabicyclo[4.4.4]tetradecan-1,6-ium (in-DBD), a cationic proton cage, that is orders of magnitude more resistant to hydroxide-promoted degradation than state-of-the-art organic cations under ultra-dry conditions and elevated temperature, and the first organic cation-hydroxide to persist at critically low hydration levels (

Suggested Citation

  • 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.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47809-0
    DOI: 10.1038/s41467-024-47809-0
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    References listed on IDEAS

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    1. 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.
    2. Danielle A. Salvatore & Christine M. Gabardo & Angelica Reyes & Colin P. O’Brien & Steven Holdcroft & Peter Pintauro & Bamdad Bahar & Michael Hickner & Chulsung Bae & David Sinton & Edward H. Sargent , 2021. "Designing anion exchange membranes for CO2 electrolysers," Nature Energy, Nature, vol. 6(4), pages 339-348, April.
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