Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means
Patent
1978-04-24
1979-10-02
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
429 86, 429120, 429159, H01M 1052
Patent
active
041699181
ABSTRACT:
An arrangement for limiting the pressure developed by the combination of gases of a gaseous mixture, such as hydrogen and oxygen in a closed container, for example, in a rechargeable battery. The arrangement includes material having substantial heat capacity and having a high surface-to-volume ratio disposed in free spaces in the container wherein the hydrogen and oxygen may accumulate during the charging or discharging of the battery. When the hydrogen and oxygen combine to form a gaseous product or vapor at a high pressure, the gaseous product is cooled by the aforementioned material to limit the pressure to an amount below that capable of causing rupture of the container. The material may further, in the case of a condensible vapor such as that formed by the combination of hydrogen and oxygen effect a temperature reduction which results in condensation of the vapor to further reduce the pressure to insure against rupture of the container.
REFERENCES:
patent: 1583648 (1926-05-01), Benner
patent: 1770974 (1930-07-01), Everett
patent: 2615062 (1952-10-01), Craig
patent: 3258360 (1966-06-01), Kordesch
General Electric Company
Skapars Anthony
LandOfFree
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