Journal
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
Volume 44, Issue 16, Pages 2358-2368Publisher
WILEY
DOI: 10.1002/polb.20864
Keywords
functionalization of polymers; membranes; polyelectrolytes; polyphosphazenes; synthesis
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New proton-conductive fuel cell membranes have been produced by the linkage of acidic functional groups to aryloxy side units attached to a polyphosphazene macromolecular chain. The functional groups include sulfonic acid, phosphonic acid, and sulfonimide units. The different functional groups impart different water retention, proton conduction, and methanol resistance to the membranes. Special advantages are foreseen for uses in direct methanol fuel cells. (c) 2006 Wiley Periodicals, Inc.
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