Fused salt thermal device

Details Fused salt thermal device Fused salt thermal device

1976-11-03

1978-01-10

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Having nonmovable means providing motion between electrolyte...

429103, 429112, H01M 636

Patent

active

040680452

ABSTRACT:
A fused salt thermal device having two spaced electrodes to provide an active thermal cell space therebetween, a reservoir containing an inorganic fusible salt electrolyte which is solid at a temperature below a predetermined activation temperature and which is molten at or above the activation temperature, and means permitting circulation of the fused salt electrolyte between the active thermal cell space and the reservoir during the generation of electricity in order to replenish spent electrolyte. Preferably, the fused salt thermal device has a metal electrode and an electrically conductive porous electrode spaced therefrom to provide an active thermal cell space with a reservoir containing an inorganic fusible salt electrolyte in fluid communication with the porous electrode so that upon activation of the thermal device the molten salt electrolyte circulates between the active thermal cell space and the reservoir through the porous electrode. A cell is also provided with a carbon cathode, preferably carbon cloth, a magnesium anode and an electrolyte comprising chromic nitrate (Cr(NO.sub.3).sub.3 .multidot.9H.sub.2 O).

REFERENCES:
patent: 1499901 (1924-07-01), Anderson
patent: 2081926 (1937-06-01), Gyuris
patent: 3811943 (1974-05-01), Minck et al.

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