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A Stable Hydroxide-Conducting Polymer
Abstract
A stable hydroxide-conducting membrane based on benzimidazolium hydroxide and its analogous anion-exchange polymer is reported for the first time. The molecular and polymeric analogues possess unprecedented hydroxide stability in neutral and KOH solutions as the soluble benzimidazolium salt, made possible by steric crowding around the benzimidazolium C2 position, which is usually susceptible to nucleophilic attack by OH(-). The polymers were cast and insolubilized for the purpose of forming membranes by blending with a poly(benzimidazole) followed by hydroxide-activated electrostatic interactions. The resulting membranes possess ionic (OH(-)) conductivities of up to 13.2 mS cm(-1) and represent a new class of anion-exchange polymers and membranes.
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Kerres, J., Ullrich, A., Meier, F., & Häring, T. (1999) · Solid State Ionics · doi:10.1016/s0167-2738(99)00181-2 · Cited by 454
Cited by
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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
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
- Thomas, O. D., Soo, K. J. W. Y., Peckham, T. J., Kulkarni, M. P., & Holdcroft, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-06-20
- Volume
- 134
- Issue
- 26
- Pages
- 10753-10756
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2055111814
- Cited by
- 394
- References
- 1
- FWCI
- 15.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- Thomas, O. D., Soo, K. J. W. Y., Peckham, T. J., Kulkarni, M. P., & Holdcroft, S. (2012). A Stable Hydroxide-Conducting Polymer. Journal of the American Chemical Society. https://doi.org/10.1021/ja303067t
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