Membrane electrode assembly for a fuel cell

Details Membrane electrode assembly for a fuel cell Membrane electrode assembly for a fuel cell

2006-11-29

2009-11-10

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07615306

ABSTRACT:
A membrane electrode assembly (MEA) for a fuel cell, which has a planar polymer membrane. This membrane, in a tangentially inner area, is coated on both sides with electrode structure, and, in a tangentially outer area projecting at least on one side beyond the electrode structure coating, is connected to a sealing member. A marginal zone of the polymer membrane is embedded in the elastomer sealing member. The sealing member extends tangentially inward to a transition area that lies tangentially between the outer area and the inner area, where it overlaps the electrode structures on outer faces of the electrode structures, on both of the sides of the polymer membrane.

REFERENCES:
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patent: 5578388 (1996-11-01), Faita et al.
patent: 6387557 (2002-05-01), Krasij et al.
patent: 2004/0091767 (2004-05-01), Zuber et al.
patent: 1 403 949 (2004-03-01), None

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