Polymer electrolyte for fuel cell

Details Polymer electrolyte for fuel cell Polymer electrolyte for fuel cell

1997-12-23

1999-11-16

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

528171, H01M 810

Patent

active

059854774

ABSTRACT:
Provided is a polymer electrolyte which is cheap and easily synthesized, and has a high water resistance and high output performance.
The polymer electrolyte comprising a sulfonated polymer having an ion-exchange group equivalent weight of 500 to 2500 g/mol, which is obtainable by sulfonating a structural unit represented by the structural formula (II) of a copolymer having 95 to 40 mol % of a structural unit represented by the following structural formula (I) and 5 to 60 mol % of a structural unit represented by the following structural formula (II), ##STR1##

REFERENCES:
patent: 4273903 (1981-06-01), Rose
patent: 5271813 (1993-12-01), Linkous
patent: 5403675 (1995-04-01), Ogata
patent: 5693740 (1997-12-01), Colquhoun
Linkous et al., Polymeric Material Science and Engineering, Characteristics Of Sulfonic Acids Of High Temperature Polymers As Membranes For Water Electrolysis, 68, pp. 122-123 (1993) month N/A.

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