Sodium-sulfur storage battery

Details Sodium-sulfur storage battery Sodium-sulfur storage battery

1985-10-04

1987-04-28

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

174152GM, 429181, H01M 1039

Patent

active

046614249

ABSTRACT:
A sodium-sulfur storage battery comprises an alpha alumina ring, a sodium conductive solid electrolyte tube and solder glass jointing said ring and said tube together; and is characterized in that the alpha alumina ring is provided at its open end with a groove for collecting the solder glass, a width of said groove is in a range from 0.2 mm to 5 mm and a depth of said groove is in a range from 0.2 mm to 10 mm. A surface of the solder glass is formed at a position inner than an end surface of the alpha alumina ring. Said groove may have a section of a rectangular shape. An inside surface of said groove may have a section of a round shape or an oblique section.

REFERENCES:
patent: 3854827 (1974-12-01), Merz et al.
patent: 3901772 (1975-08-01), Guillotin et al.
patent: 4074026 (1978-02-01), Bones
patent: 4104448 (1978-08-01), Gibson et al.

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