Expandable casing for electro-chemical cells

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

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429196, H01M 202

Patent

active

042787440

ABSTRACT:
An expandable air-impermeable casing for an electrochemical cell comprised of complemental flexible casing sections of a material which provides a diffusion barrier to atmospheric contaminants. The casing provides an expandable compartment for containment of active cell materials, the cell terminal members sealably projecting through the mated casing sections.
A battery shell or container is formed by sealing two side sheets along predetermined linear regions to form several pockets or chambers for accommodating, respectively, the ingredients and elements of an organic cell, and when the respective cell pockets are closed and sealed, the cells thus formed are then folded along intermediate fold lines into a--Z--or accordion pleated form, and then disposed in a protective sealed box as a battery.

REFERENCES:
patent: 395028 (1888-12-01), Warner et al.
patent: 2389674 (1945-11-01), MacFarland
patent: 2416079 (1947-02-01), Anthony
patent: 2632783 (1953-03-01), Coleman et al.
patent: 2686214 (1954-08-01), Arbogast
patent: 2745894 (1956-05-01), Nowotny
patent: 2995614 (1961-08-01), Krueger
patent: 3298871 (1967-01-01), Binder et al.

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