Electric energy cell with internal failure compensation

Details Electric energy cell with internal failure compensation Electric energy cell with internal failure compensation

1992-07-22

1994-04-05

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With nonbattery electrical component electrically connected...

429 61, H01M 1034

Patent

active

053003691

ABSTRACT:
An electrochemical energy cell for use in a satellite or other environment where failure of the cell can cause great harm or inconvenience is disclosed in which the cell operates within a sealed pressure vessel in which a gas is maintained under high pressure and which is subject to bombardment by meteorites which can cause holes or cracks in the pressure vessel, thereby rendering the cell incapable of conducting an electric current therethrough, which in turn renders a battery of such cells useless. To prevent this, a pressure sensitive switch is provided in each cell which is connected in a circuit which by-passes the current generating discs of the cell when the switch is closed. The switch is normally maintained open by the pressure within the vessel, and is biased to close in the event that the pressure in the vessel drops below a predetermined minimum, so that the damaged cell will still conduct current therethrough to maintain the integrity of the entire battery.

REFERENCES:
patent: 3867199 (1975-02-01), Dunlop et al.
patent: 4025696 (1977-05-01), Tucholski et al.
patent: 4035552 (1977-07-01), Epstein
patent: 4252869 (1981-02-01), Heitz et al.
patent: 4895773 (1990-01-01), Bones et al.
patent: 5171648 (1992-12-01), Beard

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