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Polyelectrolytes for Fuel Cells Made of Sulfonated Poly(phthalazinone ether ketone)s
Author(s) -
Xiao Guyu,
Sun Guomin,
Yan Deyue
Publication year - 2002
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/1521-3927(20020501)23:8<488::aid-marc488>3.0.co;2-4
Subject(s) - ether , polyelectrolyte , polymer chemistry , ketone , swelling , membrane , condensation polymer , polymer , ionomer , fuel cells , electrolyte , materials science , chemistry , chemical engineering , organic chemistry , copolymer , composite material , biochemistry , engineering , electrode
Novel sulfonated poly(phthalazinone ether ketone)s were synthesized directly by aromatic nucleophilic polycondensation of 4‐(4‐hydroxyphenyl)phthalazinone with various ratios of 5,5′‐carbonylbis(2‐fluorobenzenesulfonate) to 4,4′‐difluorobenzophenone. The 10% weight loss temperature of the products is higher than 500°C. The resulting ionomers show low swelling (14.7, 16.7 and 17.8%), while the corresponding IEC are 1.58, 1.88 and 2.16 meq/g, respectively. The low swelling results from hydrogen bonding. The membranes show very good perspectives in polymer electrolyte membrane fuel cell applications.