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US 6,284,401 B1Granted
Thin graphite bipolar plate with associated gaskets and carbon cloth flow-field for use in an ionomer membrane fuel cell
OwnerGeorge A. Marchettiinventor
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Abstract
The present invention comprises a thin graphite plate with associated gaskets and a carbon cloth flow-field. The plate, gaskets and flow-field comprise a “plate and gasket assembly” for use in an ionomer membrane fuel cell, fuel cell stack or battery.
Claims7
A bipolar plate and gasket assembly (a “PGA”), comprising:
- a graphite sheet;
- rigid gasket main body or bodies, the gasket main body comprising one or more manifolds;
- a compressible silicone gasket material effective for forming a tight gas seal and preventing cross mixing of gases within the cell;
- carbon cloth flow-field or fields and
- a fuel cell membrane and an electrode assembly in which slots are cut or stamped or
- otherwise made in the membrane corresponding to the manifolds within the PGA.
3 more elements
Dependencies are inferred from the claim text.