Seal tab for a metal-air electrochemical cell

Details Seal tab for a metal-air electrochemical cell Seal tab for a metal-air electrochemical cell

1986-01-22

1987-03-10

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 48, 429110, 428343, 428354, H01M 1206, C09U 702

Patent

active

046490906

ABSTRACT:
A seal tab consisting of an acrylic adhesive applied to a biaxially-oriented three-ply synthetic paper of polypropylene is used as a sealing means for metal-air electrochemical cells, and batteries constructed thereof. The seal tabs prevent loss of rate capability and capacity due to interactions with the surrounding environment prior to the placement into service of metal air cells, yet without so isolating the cells such that the initial open circuit voltage is deemed unacceptable by the end user. Additionally, the seal tab, as provided, is easily and cleanly removed, which enhances the cell's consumer appeal.

REFERENCES:
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patent: 4211811 (1980-07-01), Bordini et al.
patent: 4393115 (1983-07-01), Yoshii et al.
patent: 4414261 (1983-11-01), Nanbu
patent: 4451533 (1984-05-01), Wong et al.
patent: 4536441 (1985-08-01), Schmeer et al.
patent: 4557983 (1985-12-01), Sauer

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