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U.S. Department of Energy
Office of Scientific and Technical Information

Coke and graphite filled separator plate for electrochemical cells

Patent ·
OSTI ID:5478869
An electrochemical cell separator plate is described which consists of a molded, carbonized and graphitized product formed from a carbonizable and graphitizable molding composition wherein the improvement utilizing a carbonizable and graphitizable molding comprises composition which consists of: about 40 weight % to about 60 weight % of carbonizable resin; and about 60 weight % to about 40 weight % of a coke-graphite mixture; the coke particles having size less than 149 microns and the graphite particles having size less than 120 microns. The coke-graphite mixture comprising about 30 weight % to about 90 weight % of coke particles and about 70 weight % to about 10 weight % of graphite particles.
Assignee:
International Fuel Cells Corp., South Windsor, CT
Patent Number(s):
US 4592968
OSTI ID:
5478869
Country of Publication:
United States
Language:
English