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Highly Conducting Anion-Exchange Membranes Based on Cross-Linked Poly(norbornene): Ring Opening Metathesis Polymerization
Abstract
A series of cross-linked (XL) anion-exchange membranes (AEMs) were synthesized on the basis of the ring opening metathesis polymerization (ROMP) of norbornene monomers (rPNB). Poly(bromopropyl norbornene)- block -poly(butyl norbornene) diblock copolymers and poly(bromopropyl norbornene) homopolymers have an all-hydrocarbon backbone and a high ion-exchange capacity (IEC), up to 4.73 mequiv/g. N, N, N ′, N ′-Tetramethyl-1,6-hexanediamine (TMHDA) was used as a cross-linking agent to control the water uptake and mechanical instability. The cross-linked (20 mol % concentration) membrane made from high molecular weight poly(bromopropyl norbornene) ( XL20-rPNB-LY 100 ) had the highest conductivity of 99 mS/cm at 25 °C and 195 mS/cm at 80 °C. The alkaline stability of the best membrane was excellent with no detectable degradation in conductivity after 792 h in 1 M NaOH at 80 °C. Membranes were successfully tested as the polymer electrolyte in an AEM fuel cell.
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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
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Cited by
Anion-Exchange Membrane Water Electrolyzers
Du, N., Roy, C., Peach, R., Turnbull, M., Thiele, S., & Bock, C. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00854 · Cited by 1,075
Electrocatalysis in Alkaline Media and Alkaline Membrane-Based Energy Technologies
Yang, Y., Peltier, C. R., Zeng, R., Schimmenti, R., Li, Q., Huang, X., Yan, Z., Potsi, G., Selhorst, R., Lu, X., et al. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00331 · Cited by 544
Alkaline-stable anion exchange membranes: A review of synthetic approaches
You, W., Noonan, K. J. T., & Coates, G. W. (2020) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2019.101177 · Cited by 389
Catalytic Advantages, Challenges, and Priorities in Alkaline Membrane Fuel Cells
Firouzjaie, H. A., & Mustain, W. E. (2020) · ACS Catalysis · doi:10.1021/acscatal.9b03892 · Cited by 313
Metadata
- Authors
- Chen, W., Mandal, M., Huang, G., Wu, X., He, G., & Kohl, P. A.
- Venue
- ACS Applied Energy Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-02-11
- Volume
- 2
- Issue
- 4
- Pages
- 2458-2468
- ISSN
- 2574-0962 (ISSN-L)
- OpenAlex
- W2913154335
- Cited by
- 162
- References
- 1
- FWCI
- 6.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, W., Mandal, M., Huang, G., Wu, X., He, G., & Kohl, P. A. (2019). Highly Conducting Anion-Exchange Membranes Based on Cross-Linked Poly(norbornene): Ring Opening Metathesis Polymerization. ACS Applied Energy Materials. https://doi.org/10.1021/acsaem.8b02052
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