Flat cell battery connector seal

Details Flat cell battery connector seal Flat cell battery connector seal

1985-03-26

1985-11-19

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Plural cells

429160, H01M 646

Patent

active

045542260

ABSTRACT:
A battery construction for primary cells of the type comprising a sealed flexible plastic envelope containing electrolyte and the active cell elements wherein an external electrical connection comprises a connector plate within the envelope and that connector pierces the envelope. A seal against the loss of electrolyte from the envelope through the connector aperture is achieved by locating the extension of the connector on the collector plate with portions of the face thereof surrounding it, by forming an adhesive bond between the adjacent inner face of the envelope and the collector plate surrounding the connector extenion, and by imposing external pressure on the adhesive bond by means of a pad which conforms to the envelope and imposes pressure over the bond. The pad is shown as a resilient, elastomeric, sponge sheet positioned between the cell envelope and battery casing.

REFERENCES:
patent: 2463089 (1949-03-01), Deibel
patent: 2745894 (1956-05-01), Nowotny, II
patent: 2793244 (1957-05-01), Grinten
patent: 2798895 (1957-07-01), Nowotny
patent: 3306777 (1967-02-01), Reid et al.
patent: 3347709 (1967-10-01), Taylor et al.
patent: 4060670 (1977-11-01), Tamminen

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