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Alkaline stability of poly(phenylene)‐based anion exchange membranes with various cations
Abstract
Anion exchange membranes comprised of a poly(phenylene) backbone and one of five different cationic head‐groups are prepared, briefly characterized, and tested for stability in 4 M KOH at 90 °C. The two membranes with resonance‐stabilized cations (benzyl pentamethylguanidinium and benzyl N‐methylimidazolium) show large (>25%) decreases in both conductivity and ion exchange capacity (IEC) after just one day of testing. The membrane with benzyl trimethylammonium cations shows a 33% loss of conductivity (14% decrease in IEC) after 14 days while the membrane with trimethylammonium cations attached by a hexamethylene spacer shows the least degradation: a 5% loss of conductivity over 14 days with no accompanying loss in IEC. A similar membrane which has a six‐carbon spacer and a ketone adjacent to the phenyl ring shows much lower stability, suggesting that the ketone takes part in degradation reactions. © 2012 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2013, 51, 1736–1742, 2013
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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
Chen, F.-Y., Wu, Z.-Y., Adler, Z., & Wang, H. (2021) · Joule · doi:10.1016/j.joule.2021.05.005 · Cited by 1,284
Shin, D. W., Guiver, M. D., & Lee, Y. M. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00586 · Cited by 989
Anion exchange membrane fuel cells: Current status and remaining challenges
Gottesfeld, S., Dekel, D. R., Page, M., Bae, C., Yan, Y., Zelenay, P., & Kim, Y. S. (2018) · Journal of Power Sources · doi:10.1016/j.jpowsour.2017.08.010 · Cited by 895
Durability challenges of anion exchange membrane fuel cells
Mustain, W. E., Chatenet, M., Page, M., & Kim, Y. S. (2020) · Energy & Environmental Science · doi:10.1039/d0ee01133a · Cited by 677
Metadata
- Authors
- Hibbs, M. R.
- Venue
- Journal of Polymer Science Part B: Polymer Physics
- Publisher
- Wiley
- Published
- 2012-08-16
- Volume
- 51
- Issue
- 24
- Pages
- 1736-1742
- ISSN
- 0887-6266 (ISSN-L)
- 1099-0488
- OpenAlex
- W1969785350
- Cited by
- 282
- References
- 0
- FWCI
- 8.75
- Type
- journal article
- Language
- en
- Open access
- closed
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