Folded metal bipolar sheets for fuel cells

Details Folded metal bipolar sheets for fuel cells Folded metal bipolar sheets for fuel cells

2005-06-14

2005-06-14

Barr, Michael (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

06905793

ABSTRACT:
In a fuel cell stack, a bipolar separator plate having two joined together coextensive separator plate elements having perpendicularly disposed corrugated regions and forming a coolant chamber there between. By virtue of this arrangement, fuel and oxidant gases fed to the fuel cell stack have a cross-flow relationship. Internal stack manifolding is provided for distribution of a coolant to each of the coolant chambers.

REFERENCES:
patent: 5776624 (1998-07-01), Neutzler
patent: 6261710 (2001-07-01), Marianowski

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