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

Chase L. Radford, Torben Saatkamp, Andrew J. Bennet () and Steven Holdcroft ()
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Chase L. Radford: Simon Fraser University
Torben Saatkamp: Simon Fraser University
Andrew J. Bennet: Simon Fraser University
Steven Holdcroft: Simon Fraser University

Nature Communications, 2024, vol. 15, issue 1, 1-7

Abstract: 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 (

Date: 2024
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DOI: 10.1038/s41467-024-47809-0

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