Sealing of electrochemical devices utilizing liquid sodium and a

Details Sealing of electrochemical devices utilizing liquid sodium and a Sealing of electrochemical devices utilizing liquid sodium and a

1977-02-04

1978-02-14

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429185, H01M 1038

Patent

active

040740269

ABSTRACT:
In an electrochemical cell, such as a sodium sulphur cell, having a solid ceramic sodium-ion permeable electrolyte forming part of the boundary of a sodium-containing region, to seal this region, the ceramic electrolyte or a ceramic extension thereof is sealed to a metal housing or metal closure element using glass with the glass-to-metal interface protected against the effect of sodium vapour by a niobium coating over the metal in the region where the interface is exposed to the sodium or this interface is protected from such exposure by niobium foil.

REFERENCES:
patent: 3421945 (1969-01-01), Michalko
patent: 3441446 (1969-04-01), Heredy
patent: 3468709 (1969-09-01), Kummer
patent: 3756856 (1973-09-01), Tennenhouse
patent: 3946751 (1976-03-01), Breiter et al.
patent: 3982959 (1976-09-01), Partridge et al.

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