Underwater rechargeable battery and method of manufacture

Details Underwater rechargeable battery and method of manufacture Underwater rechargeable battery and method of manufacture

1996-11-08

1999-03-02

Nuzzolillo, M.

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to addition of liquid

H01M 614

Patent

active

058768726

ABSTRACT:
The battery of the invention includes at least one electrochemical cell for use and recharging underwater, particularly seawater, at a pressure at or greater than atmospheric pressure. The battery has an anode, a cathode, an associated electrolyte in a housing, and a pressure compensation fluid which has a density greater than water, but preferably between the density of water and the density of the electrolyte. Preferably the pressure compensation fluid has a density of about 1.2 g/cm.sup.3, and is non-conductive. Apparatus to compensate for changes in volume are provided, as are components for the escape of internally generated gases.

REFERENCES:
patent: 4190062 (1980-02-01), McCartney et al.
patent: 5525442 (1996-06-01), Shuster
IEEE Council on Oceanic Engineering Conference Record, Oceans 82, Sep. 20-22, 1982, pp. 50-56 as referred to in application on p. 4, lines 5 and 6. (month N/A).

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