Fuel cell stack with combination end-pressure plates
Patent
·
OSTI ID:5114224
A fuel cell stack is described comprising: (a) thin carbon fuel component plates stacked one atop another to provide a reaction portion of the stack; (b) a steel pressure plate disposed directly atop an uppermost one of the carbon plates, the steel pressure plate being laterally coextensive with the carbon plates at ambient temperatures; (c) at least one reactant manifold mounted on a side of the stack, the manifold having a peripheral sealing flange which faces surfaces of the carbon plates and a corresponding side surface of the pressure plate; (d) a polymeric sealing gasket interposed between the manifold sealing flange and adjacent side surfaces of the carbon plates and the pressure plate to provide a seal between the manifold interior and ambient surroundings; and (e) a fist adhesive layer sandwiched between the gasket and adjacent side surfaces of the carbon and pressure plates to adhere the gasket to the adjacent side surfaces.
- Assignee:
- International Fuel Cells Corp., South Windsor, CT
- Patent Number(s):
- US 4728585
- OSTI ID:
- 5114224
- Country of Publication:
- United States
- Language:
- English
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