Polymer electrolyte membrane, method for producing same, and...

Details Polymer electrolyte membrane, method for producing same, and... Polymer electrolyte membrane, method for producing same, and...

2005-08-09

2005-08-09

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

06926984

ABSTRACT:
A polymer electrolyte membrane obtained by subjecting a sulfonated polyarylene membrane having an initial water content of 80-300 weight % to a hot-water treatment. A composite polymer electrolyte membrane comprising a matrix made of a first sulfonated aromatic polymer having a high ion exchange capacity, and a reinforcing material constituted by a second sulfonated aromatic polymer having a low ion exchange capacity in the form of fibers or a porous membrane.

REFERENCES:
patent: 5403675 (1995-04-01), Ogata et al.
patent: 6096856 (2000-08-01), Helmer-Metzmann et al.
patent: 6-29032 (1994-02-01), None
patent: 8-259710 (1996-10-01), None
patent: 2000-231928 (2000-08-01), None
Nolte et al., “Partially Sulfonated Poly(Arylene Ether Sulfone)—A Versatile Proton Conducting Membrane Material for Modern Energy Conversion Technologies”, Journal of Membrane Science, 83 (1993) 211-220.

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