Flat battery and method of manufacture

Details Flat battery and method of manufacture Flat battery and method of manufacture

1976-01-08

1977-04-26

Walton, Donald L.

Metal working

Method of mechanical manufacture

Electrical device making

296233, H01M 600

Patent

active

040192512

ABSTRACT:
A method for constructing flat batteries having improved peripheral seals. These batteries are characterized in incorporating polymeric intercell connectors, outer collector assemblies including an externally disposed sheet terminal-current collector and sheet separator components associated with thermal sealing material, the peripheries of the seal material extending outwardly from the corresponding peripheries of the current collectors and intercell connectors. To effect a seal of improved integrity as well as enlarged size, a cover sheet of material dimensionally stable at temperatures whereat the seal material and the polymeric connectors are dimensionally unstable is placed over the current collector and seal portions with which a thermal sealing bar would otherwise come in contact.

REFERENCES:
patent: 3734780 (1973-05-01), Belhorn et al.
patent: 3775188 (1973-11-01), Oltman et al.
patent: 3907599 (1975-09-01), Fanciullo et al.

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