Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1985-07-18
1986-06-03
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429247, 429249, 429253, H01M 216
Patent
active
045929688
ABSTRACT:
An electrochemical cell separator plate formed from a composition of carbonizable resin, coke, and graphite particles, and methods of making and using the same. The separator plate has an improved balance of properties such as flexural modulus. The plates are formed by molding a composition of carbonizable resin, coke, and graphite particles, surface grinding the plate and then carbonizing and graphitizing the plate. The composition comprises about 40% to about 60% of carbonizable resin and about 60% to about 40% of a coke-graphite mixture. The coke-graphite mixture comprises about 30% to about 90% of coke particles and about 70% to about 10% of graphite particles. These separator plates may be used in, for example, fuel cells.
REFERENCES:
patent: 3391103 (1968-07-01), Mueller
patent: 3968075 (1976-07-01), Doucette et al.
patent: 4301222 (1981-11-01), Emanuelson et al.
patent: 4360485 (1982-11-01), Emanuelson et al.
Chemical Abstracts, 87: 6912s (vol. 87, 1977).
Chemical Abstract, 87:27667F (vol. 87, 1977).
International Fuel Cells Corporation
Olson A. Dean
Skapars Anthony
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