One piece separator plate with insert ring step design

Details One piece separator plate with insert ring step design One piece separator plate with insert ring step design

1993-10-21

1995-06-13

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 39, H01M 802

Patent

active

054241448

ABSTRACT:
A one-piece separator plate suitable for use in a fuel cell stack comprising a single pressed metal plate having a peripheral raised seal region on a face of said pressed metal plate and a corresponding peripheral recessed seal region on the opposite face thereof, the corresponding peripheral recessed seal region forming a peripheral channel on said opposite face of the pressed metal plate. A peripheral insert ring is disposed in the peripheral channel, which insert ring and said peripheral raised seal region form seals between the faces of the pressed metal plate and an adjacent active cell component.

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