Sodium-sulfur battery

Details Sodium-sulfur battery Sodium-sulfur battery

1977-12-27

1978-11-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in molten state

429185, 296232, H01M 1039

Patent

active

041247400

ABSTRACT:
A new seal for a sodium-sulfur battery is disclosed herein. The sodium-sulfur battery uses two cylindrical containers for containing sulfur and sodium in molten states and a beta-alumina electrolyte tube located primarily within the sulfur container. The battery disclosed herein includes a novel header, preferably a metal header, between the containers and through which the beta-alumina tube extends. In order to prevent either the sulfur or sodium from passing between the header and tube, the header includes an inner circumferential surface which forms a continuous mechanical seal around and against the tube to prevent the sulfur or sodium from passing therebetween. The header is attached to, but must electrically isolate, the two containers.

REFERENCES:
patent: 3679480 (1972-07-01), Brown et al.
patent: 3811943 (1974-05-01), Minck et al.

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