Connector aperture seal for a galvanic cell

Details Connector aperture seal for a galvanic cell Connector aperture seal for a galvanic cell

1983-10-07

1985-06-25

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Flat-type unit cell and specific unit cell components

429181, H01M 612, H01M 646

Patent

active

045254397

ABSTRACT:
A flat galvanic cell having a plastic envelope surrounding and sealing its active elements is disclosed with a connector extending from a metal plate and piercing the envelope wall. A seal against electrolyte leakage is provided as a subassembly comprising the connector secured to the metal plate which is coated with a resin, a graphite dispersion in polyvinyl chloride, and bonded to the interior face of an envelope wall by an adhesive, a butadiene based elastomeric hot melt adhesive. The subassembly is sealed to the other elements of the envelope at the wall portion margins extending beyond the metal plate.

REFERENCES:
patent: 2144574 (1939-01-01), MacCallum
patent: 2880259 (1959-03-01), Nowotny
patent: 3340099 (1967-09-01), Sherfey
patent: 4060670 (1977-11-01), Tamminen
patent: 4278744 (1981-07-01), Athearn

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