Fuel cell stack

Details Fuel cell stack Fuel cell stack

2006-07-04

2006-07-04

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07070872

ABSTRACT:
A first membrane electrode assembly is interposed between a first separator and a second separator. A second membrane electrode assembly is interposed between the second separator and another first separator. The second separator includes a first separator plate, a second separator plate, and a leaf spring interposed between the first separator plate and the second separator plate. Each of the first separator plate and the second separator plate has an embossed section made up of first protrusions protruding toward the leaf spring and first recesses spaced from the leaf spring. The first protrusions of the embossed section in one separator plate are in alignment with the first recesses of the embossed section in the other separator plate, respectively.

REFERENCES:
patent: 5981098 (1999-11-01), Vitale
patent: 5-82153 (1993-04-01), None

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