Novel sulfonated poly(arylene ether sulfone) containing hydroxyl groups for enhanced proton exchange membrane properties

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发布日期 2014-11-04

DOI 10.1039/C4PY01218F

影响因子 5.582

作者

So Young Lee, Sukjae Hong, Jong Hyun Jang, Dirk Henkensmeier, Sung Jong Yoo, Hyoung-Juhn Kim, Sung-Hyun Kim

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摘要

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.

期刊推荐

Physical Chemistry Chemical Physics

Foundations of Chemistry

Molecules

Environmental Toxicology and Pharmacology

Current Pharmaceutical Biotechnology

Lab on a Chip

Faraday Discussions

Mini-Reviews in Medicinal Chemistry

Advanced Engineering Materials

Journal of Medical Biochemistry

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 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.

Novel sulfonated poly(arylene ether sulfone) containing hydroxyl groups for enhanced proton exchange membrane properties

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Polymer Chemistry

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