Metal-air battery power supply

Details Metal-air battery power supply Metal-air battery power supply

1988-09-13

1990-04-03

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 22, 429 27, H01M 804

Patent

active

049139835

ABSTRACT:
A metal-air battery power supply for powering a device includes an enclosed container having an air inlet, an air outlet, and an array of connected metal-air battery cells therein. The container is sealed during non-use. When a power switch is turned on, the air inlet and air outlet are opened. At the same time, the residual low power of the battery cells is used to start a fan positioned near the air inlet. The fan initiates an air flow across the battery cells to further increase the power supply output. The power supply output is limited to the use requirement of the device by varying the fan speed in response to instructions from the device. Precise control of the battery cells' exposure to air extends the lifetimes of the cells.

REFERENCES:
patent: 2468430 (1949-04-01), Derksen
patent: 3160528 (1964-12-01), Dengler et al.
patent: 3473963 (1969-10-01), Sanderson
patent: 4729930 (1988-03-01), Beal et al.

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