Alkali metal-sulphur cells

Details Alkali metal-sulphur cells Alkali metal-sulphur cells

1976-04-23

1977-09-13

LeFevour, C. F.

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429191, H01M 436

Patent

active

040483916

ABSTRACT:
An alkali metal sulphur cell has an outer tubular casing and an inner tubular solid electrolyte whose interior constitutes the cathode compartment of the cell. The outer tubular casing and the tubular solid electrolyte are spaced apart to define an annular space, at least the part of which adjacent the outer surface of the tubular solid electrolyte constitutes the anode compartment of the cell. Means are provided for causing the alkali metal to be distributed over the outer surface of the tubular solid electrolyte. Barrier means additional to the solid electrolyte are disposed between the sulphur material and at least a part of the outer casing. The barrier means may comprise a coating on one or both surfaces of the tubular solid electrolyte, alkali metal flow restrictor means or a coating on at least a part of the inner surface of the outer casing.

REFERENCES:
patent: 3748178 (1973-07-01), Fally et al.
patent: 3841912 (1974-10-01), Kagawa et al.
patent: 3883367 (1975-05-01), Chiku
patent: 3915741 (1975-10-01), Kogiso et al.
patent: 3932195 (1976-01-01), Evans et al.
patent: 3933523 (1976-01-01), Dubin et al.
patent: 3939007 (1976-02-01), Sudworth et al.

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