Rechargeable high temperature electrochemical battery
AssigneeWestinghouse Electric Corp.
InventorArnold O. Isenberg
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Abstract
A rechargeable, high temperature, electrochemical cell is made, comprising an anode containing an intermetallic compound of magnesium with silicon or magnesium with boron, a cathode containing a metal sulfide and a contacting, fused halide salt electrolyte, containing magnesium ions disposed between the anode and cathode.
Claims11
A rechargeable, high temperature, electrochemical cell, comprising an anode containing a battery active material selected from the group consisting of intermetallic compounds of magnesium with silicon and magnesium with boron, a cathode containing a metal sulfide, and a contacting fused halide salt electrolyte containing magnesium ions therebetween, said anode and cathode having attached electrical connections.
A rechargeable, electrochemical cell, operating at a temperature of between about 400.degree. C to about 650.degree. C, comprising an anode containing a battery active material selected from the group consisting of intermetallic compounds of magnesium with silicon and magnesium with boron, a cathode containing iron sulfide, and a contacting molten halide salt electrolyte therebetween containing magnesium ions disposed in a matrix of heat resistant materials selected from the group consisting of MgO, Al.sub.2 O.sub.3, CaF, BN, ZrO.sub.2 and mixtures thereof in powder or fiber form, said matrix constituting between about 5 vol.% to about 50 vol.% of the electrolyte-matrix composition, all enclosed in a heat resistant container, said anode and cathode having attached electrical connections.
Dependencies are inferred from the claim text.