Fuel cell stack having coolant flowing along each surface of...

Details Fuel cell stack having coolant flowing along each surface of... Fuel cell stack having coolant flowing along each surface of...

2006-03-28

2006-03-28

Cantelmo, Gregg (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07018733

ABSTRACT:
A unit cell has a membrane electrode assembly. The membrane electrode assembly includes a cathode, and an anode, and a solid polymer electrolyte fuel cell interposed between the cathode and the anode. The membrane electrode assembly is interposed between a first separator and a second separator. A thin cooling plate is interposed between the second separator and another first separator. A first coolant flow passage and a second coolant flow passage are formed on both surfaces of the cooling plate. The coolant flows along one surface of the cooling plate, and turns back at an end of the cooling plate to flow along the other surface of the cooling plate.

REFERENCES:
patent: 5736269 (1998-04-01), Okamoto et al.
patent: 6344289 (2002-02-01), Dekker et al.
patent: 05190193 (1993-07-01), None

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