The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Alkaline Stability of Quaternary Ammonium Cations for Alkaline Fuel Cell Membranes and Ionic Liquids
Abstract
The alkaline stability of 26 different quaternary ammonium groups (QA) is investigated for temperatures up to 160 °C and NaOH concentrations up to 10 mol L−1 with the aim to provide a basis for the selection of functional groups for hydroxide exchange membranes in alkaline fuel cells and of ionic‐liquid cations stable in basic conditions. Most QAs exhibit unexpectedly high alkaline stability with the exception of aromatic cations. β‐Protons are found to be far less susceptible to nucleophilic attack than previously suggested, whereas the presence of benzyl groups, nearby hetero‐atoms, or other electron‐withdrawing species promote degradation reactions significantly. Cyclic QAs proved to be exceptionally stable, with the piperidine‐based 6‐azonia‐spiro[5.5]undecane featuring the highest half‐life at the chosen conditions. Absolute and relative stabilities presented herein stand in contrast to literature data, the differences being ascribed to solvent effects on degradation.
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Cites
Anion-exchange membranes in electrochemical energy systems
Varcoe, J. R., Atanassov, P., Dekel, D. R., Herring, A. M., Hickner, M. A., Kohl, P. A., Kucernak, A. R., Mustain, W. E., Nijmeijer, K., Scott, K., et al. (2014) · Energy Environ. Sci. · doi:10.1039/c4ee01303d · Cited by 2,051
Cited by
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
Anion exchange polyelectrolytes for membranes and ionomers
Chen, N., & Lee, Y. M. (2021) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2020.101345 · Cited by 445
Dekel, D. R., Amar, M., Willdorf, S., Kosa, M., Dhara, S., & Diesendruck, C. E. (2017) · Chemistry of Materials · doi:10.1021/acs.chemmater.7b00958 · Cited by 382
What is Next in Anion‐Exchange Membrane Water Electrolyzers? Bottlenecks, Benefits, and Future
Santoro, C., Lavacchi, A., Mustarelli, P., Di Noto, V., Elbaz, L., Dekel, D. R., & Jaouen, F. (2022) · ChemSusChem · doi:10.1002/cssc.202200027 · Cited by 337
Development of Anion Exchange Membrane Water Electrolysis and the Associated Challenges: A Review
Hua, D., Huang, J., Fabbri, E., Rafique, M., & Song, B. (2023) · ChemElectroChem · doi:10.1002/celc.202200999 · Cited by 148
Metadata
- Authors
- Marino, M. G., & Kreuer, K. D.
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2014-11-27
- Volume
- 8
- Issue
- 3
- Pages
- 513-523
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W1975014744
- Cited by
- 807
- References
- 1
- FWCI
- 13.80
- Type
- journal article
- Language
- en
- Open access
- closed
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