Electrochemical cell

Details Electrochemical cell Electrochemical cell

1976-07-23

1977-07-12

LeFevour, C. F.

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

Prevention means controlling an auxiliary device

H01M 1034

Patent

active

040355527

ABSTRACT:
An electrochemical cell is disclosed having an internal circuit which is interrupted by a switch that is responsive to both excessive cell temperature and pressure. The switch preferably comprises a bimetallic strip mounted in the space between the cell cover and case and is electrically connected between one of the cell electrodes and its associated terminal. The bimetal undergoes temperature-induced distortion to open-circuit the cell and is additionally responsive to the movement of a pressure diaphragm, which forms a part of the cell case wall, to open-circuit the cell in the event of excessive pressure. The cell is automatically reactivated when the excessive condition has dissipated.

REFERENCES:
patent: 3546024 (1970-12-01), Niklos
patent: 3617386 (1971-11-01), Bosben et al.
patent: 3622397 (1971-11-01), Belove

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