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Sulfophenylation of Polysulfones for Proton-Conducting Fuel Cell Membranes

✍ Scribed by Benoît Lafitte; Lina E. Karlsson; Patric Jannasch

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
165 KB
Volume
23
Category
Article
ISSN
1022-1336

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A new, milder sulfonation process was used to produce ion-exchange polymers from a commercial polysulfone (PSU). Membranes obtained from the sulfonated polysulfone are potential substitutes for perfluorosulfonic acid membranes used now in polymer electrolyte fuel cells. Sulfonation levels from 20 to