Cell having current cutoff valve

Details Cell having current cutoff valve Cell having current cutoff valve

1989-10-20

1990-07-24

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 54, H01M 212

Patent

active

049434977

ABSTRACT:
A cell having an explosion proof valve is disclosed, in which the valve is deformable upon increase of inner pressure of the cell to cut a connection lead which connects the valve with a generator unit contained in the cell. The supply of charging current is cut off when the inner pressure of the cell has abnormally increased. The gradual increase of the inner pressure can be effected by selecting suitable cathode active material.

REFERENCES:
patent: 3556863 (1971-01-01), Nathe
patent: 3617386 (1971-11-01), Bosben et al.
patent: 3622397 (1971-11-01), Belove
patent: 4855195 (1989-08-01), Georgeopoulos et al.

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