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Novel Hydroxide-Conducting Polyelectrolyte Composed of an Poly(arylene ether sulfone) Containing Pendant Quaternary Guanidinium Groups for Alkaline Fuel Cell Applications

Wang, Junhua, Li, Shenghai, Zhang, Suobo·2010·Macromolecules
DOI 10.1021/ma100260a
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Abstract

Poly(arylene ether sulfone)s were functionalized with quaternary guanidinium groups in order to investigate their properties as novel polymeric hydroxide exchange membrane materials. The quaternized polymers were synthesized via chloromethylation of poly(arylene ether sulfone)s, followed by reactions with pentamethylguanidine. The resulting quaternized polymers PSGCl- x (where x represents the number of the quaternary guanidinium groups/repeat units) presented an elevated molecular weight and exhibited an outstanding solubility in polar aprotic solvents. Consequently flexible and tough membranes of PSGCl- x with varying ionic content could be prepared by casting from the DMSO solution. Novel anion exchange membranes, PSGOH- x, were obtained by an anion exchange of PSGCl- x with 1 M NaOH at room temperature. The membranes displayed a high ionic conductivity and an excellent chemical stability. The obtained alkaline anion exchange membranes (AEMs) showed conductivities almost above 10 −2 S cm −1 at room temperature; the hydroxide conductivity of PSGOH-1.4 was for instance found to be 6.7 × 10 −2 S cm −1 .

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Metadata

Authors
Wang, J., Li, S., & Zhang, S.
Venue
Macromolecules
Publisher
American Chemical Society (ACS)
Published
2010-03-22
Volume
43
Issue
8
Pages
3890-3896
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
DOI
10.1021/ma100260a
OpenAlex
W2103647985
Cited by
442
References
0
FWCI
30.15
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Novel Hydroxide-Conducting Polyelectrolyte Composed of an Poly(arylene ether sulfone) Containing Pendant Quaternary Guanidinium Groups for Alkaline Fuel Cell Applications. https://app.cochat.ai/papers/10.1021/ma100260a
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Wang, J., Li, S., & Zhang, S. (2010). Novel Hydroxide-Conducting Polyelectrolyte Composed of an Poly(arylene ether sulfone) Containing Pendant Quaternary Guanidinium Groups for Alkaline Fuel Cell Applications. Macromolecules. https://doi.org/10.1021/ma100260a

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