Alkalline cell battery and method for manufacture thereof

Details Alkalline cell battery and method for manufacture thereof Alkalline cell battery and method for manufacture thereof

1988-09-23

1989-12-19

Skapars, Anthony

Metal working

Method of mechanical manufacture

Electrical device making

29730, H01M 600

Patent

active

048873489

ABSTRACT:
This invention relates to a cell construction for alkaline batteries, to alkaline batteries utilizing such cells and to methods for the manufacture thereof. Each cell has a positive electrode, a negative electrode in the form of a paste contained within a sealed bag, and a dielectric positioned at least between the electrodes. The electrodes and dielectric are sealed within a flexible package and a pointed conductor is provided which is electrically connected to the positive electrode of the cell, extends therefrom, and is adapted to pierce the package and negative electrode bag of an adjacent cell to make electrical contact with the negative electrode paste of such cell when the cells are pressed together to form a battery. The invention provides improved sealing between the cells by inhibiting the denting of the packaging and negative electrode bag prior to piercing by use of a stiff supporting plate mounted to the negative electrode side of the cell. This plate may be mounted inside or outside the cell cover and is adapted to be pierced by the pin when the cells are pressed together. A suitable adhesive such as hot melt glue may be provided to secure the plate to the cell and to seal the openings caused when the pin pierces the various layers.

REFERENCES:
patent: 4505996 (1985-03-01), Simonton
patent: 4525439 (1985-06-01), Simonton
patent: 4554226 (1985-11-01), Simonton

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