Separator plate for electrochemical cells

Details Separator plate for electrochemical cells Separator plate for electrochemical cells

1980-08-25

1981-11-17

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429253, H01M 216

Patent

active

043012221

ABSTRACT:
A thin electrochemical cell separator plate with greatly improved properties is made by molding and then graphitizing a mixture of preferably 50 percent high purity graphite powder and 50 percent carbonizable thermosetting phenolic resin, the graphite molding powder particles having a specified preferred shape and a size distribution requiring 31 to 62 weight percent of the particles to be less than 45 microns in size.

REFERENCES:
patent: 3969124 (1976-07-01), Stewart
patent: 4216073 (1980-08-01), Goldstein

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