Thermal battery with reduced self-discharge

Details Thermal battery with reduced self-discharge Thermal battery with reduced self-discharge

1997-08-27

1999-05-04

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to heat

H01M 636

Patent

active

059003316

ABSTRACT:
A thermal battery has an electrolyte-cathode layer; an anode layer adjacent he electrolyte-cathode layer; a steel cell cover adjacent the anode layer; an insulating layer adjacent the steel cell cover, the insulating layer having a volume resistivity in the range of 10.sup.14 to 10.sup.17 ohm-centimeter and a decomposition temperature of less than 1400 degrees Centigrade; and a heat source adjacent the insulating layer. Preferably, the decomposition temperature is less than 300 degrees Centigrade. The insulating layer helps reduce pre-activation self discharge of the thermal battery.

REFERENCES:
patent: 3428493 (1969-02-01), Adams
patent: 3725132 (1973-04-01), Moser et al.
patent: 4596752 (1986-06-01), Faul et al.
patent: 5382479 (1995-01-01), Schuster

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