Sealed cell having a multilayer case

Details Sealed cell having a multilayer case Sealed cell having a multilayer case

1998-10-15

2000-11-14

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429159, 429177, 180 685, H01M 1040, B60R 1604

Patent

active

061467855

ABSTRACT:
The invention provides a sealed organic-electrolyte cell. A spiral-wound group of electrodes have at least one alternation of negative electrode, separator and positive electrode. The cell has an enclosure made up of a cover and an end wall interconnected in a sealed manner by a side case surrounding the group. Each cover and end wall has a respective current outlet terminal and a central core around which the electrode group is spiral-wound, with an end wall and the cover being fixed to the ends thereof. The case surrounding the group is made of a combined metal-and-plastics multilayer material of a thickness that is smaller than 0.5 mm. The invention also provides a module of such cells and a battery that has at least one such module. The battery is suitable for use as the battery of an electric vehicle.

REFERENCES:
patent: 3565690 (1971-02-01), Jouchaud du Plessix et al.
patent: 3775182 (1973-11-01), Patton et al.
patent: 4322484 (1982-03-01), Sugalski
patent: 4592972 (1986-06-01), Juergens et al.
patent: 5008161 (1991-04-01), Johnston
patent: 5047300 (1991-09-01), Juergens
patent: 5518836 (1996-05-01), McCullough
patent: 5866276 (1999-02-01), Ogami et al.
Patent Abstracts of Japan, vol. 097, No. 006, Jun. 30, 1997 corresponding to JP 09 055213 A (Sony Corp) Feb. 25, 1997.

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