Electrochemical cell having a safety vent closure

Details Electrochemical cell having a safety vent closure Electrochemical cell having a safety vent closure

1982-07-30

1985-07-16

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 54, 429 56, 429 82, H01M 212

Patent

active

045296731

ABSTRACT:
A non-resealable vent closure for galvanic cells, such as nonaqueous oxyhalide cells, which comprises a member force-fitted within a vent orifice and wherein a corrosion-resistant material which is not an integral part of the force-fitted member is disposed between the wall defining the vent orifice and the force-fitted member so as to predictably insure venting after a predetermined gas pressure build-up within the cell.

REFERENCES:
patent: 2282459 (1942-05-01), Deeley
patent: 3415690 (1968-12-01), Richman
patent: 3556863 (1971-01-01), Nathe
patent: 3664878 (1972-05-01), Amthor
patent: 3871923 (1975-03-01), Ikeda
patent: 4207385 (1980-06-01), Hayama
patent: 4328289 (1982-05-01), Zupancic et al.
patent: 4329405 (1982-05-01), Zupancic
patent: 4338382 (1982-07-01), Fritts
patent: 4397919 (1983-08-01), Ballard

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