Fuel cell and metal separator for fuel cell

Details Fuel cell and metal separator for fuel cell Fuel cell and metal separator for fuel cell

2008-07-08

2008-07-08

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

07396609

ABSTRACT:
A power generation cell includes a membrane electrode assembly and first and second metal separators sandwiching the membrane electrode assembly. The first metal separator is a thin metal plate. A first seal member is formed integrally around the outer end of the first metal separator. A portion defining an orifice is provided in an outer marginal region of the first metal separator. The thickness H1of the first seal member in the area covering the portion defining the orifice is larger than the thickness of the H2of the first seal member in the area covering other portions.

REFERENCES:
patent: 6153326 (2000-11-01), Matsukawa et al.
patent: 2003/0124406 (2003-07-01), Ohtani et al.
patent: 11-129396 (1999-05-01), None
patent: 11-309746 (1999-11-01), None

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