Overdischarge protection for rechargeable cells

Details Overdischarge protection for rechargeable cells Overdischarge protection for rechargeable cells

1988-09-14

1989-10-10

Kalafut, Stephen J.

Drug, bio-affecting and body treating compositions

Manicure or pedicure compositions

429 94, 429129, 429211, 429247, H01M 200, H01M 402, H01M 214

Patent

active

048731587

ABSTRACT:
A rechargeable electrochemical cell which resists venting in an over-discharge condition. A first microporous membrane is provided as a separator between the cell's anode and cathode, which allows for the passage of cell electrolyte, but inhibits the passage of metal dendrites. A tab extends from the anode to the cell casing and between the tab and inner wall of the cell casing is provided a second microporous membrane characterized as being less resistant to the passage of alkaline metal dendrites than the first microporous membrane.

REFERENCES:
patent: 3900340 (1975-08-01), Greaser et al.
patent: 4129686 (1978-12-01), Kaduboski
patent: 4622277 (1986-11-01), Bedder et al.

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