Coke filled separator plate for electrochemical cells

Details Coke filled separator plate for electrochemical cells Coke filled separator plate for electrochemical cells

1984-12-24

1987-02-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429247, 429249, 429253, H01M 216

Patent

active

046439560

ABSTRACT:
An electrochemical cell separator plate formed from a mixture of carbonizable resin and coke particles, wherein the plate is molded from the resin and coke particles, carbonized, and graphitized. The particle size distribution of the coke is selected so that expansion occurring during graphitization minimizes the rupture of carbonized bonds within the separator plate. The separator plates have improved properties over separator plates formed from graphite particles including increased density, decreased porosity and increased corrosion resistance. The coke particle plates are more energy efficient to manufacture than graphite particle plates.

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).

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