Novel sulfonated poly(arylene ether sulfone) containing hydroxyl groups for enhanced proton exchange membrane properties
Literature Information
Publication Date
2014-11-04
DOI
10.1039/C4PY01218F
Impact Factor
5.582
Authors
So Young Lee, Sukjae Hong, Jong Hyun Jang, Dirk Henkensmeier, Sung Jong Yoo, Hyoung-Juhn Kim, Sung-Hyun Kim
View Original
Abstract
We here report a new sulfonated poly(arylene ether sulfone) modified with hydroxyl side groups for a proton exchange membrane fuel cell (PEMFC). The polymer was synthesized via 4-step reaction including direct copolymerization, sulfochlorination, demethylation, and hydrolysis. By adding the hydroxyl group into the polymer backbone, strong intermolecular hydrogen bonds could be generated between polymer chains. The hydroxyl sulfonated polymer demonstrated high proton conductivities at a variety of temperatures and relative humidities due to its enhanced phase-separated morphology. Moreover, it showed an improved fuel cell performance compared to the non-hydroxylated analog with the same sulfonation degree. The introduction of hydroxyl groups to the sulfonated poly(arylene ether sulfone) provides a potential candidate for an improved PEMFC membrane.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
![N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide structure](https://static.chemtradehub.com/structs/109/109032-22-6-7c88.webp "N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide structure")
N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide
CAS Number:
109032-22-6
Molecular Formula:
C13H12N2O6S
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