Sodium-sulfur storage battery

Details Sodium-sulfur storage battery Sodium-sulfur storage battery

1986-02-10

1987-04-14

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429174, H01M 436

Patent

active

046578307

ABSTRACT:
The sodium sulfur storage battery comprises a solid electrolyte tube; metallic fiber filled in said solid electrolyte tube; powder, grain or mixture of them of substance resistant to attack by molten sodium which has porosity smaller than that of the metallic fiber and is filled in a first space above the metallic fiber; a battery housing; a positive electroconductive material disposed in a space between the battery housing and the solid electrolyte tube; a ring disposed on the upper surface of the positive electroconductive material; powder, grain or mixture of them of substance resistant to attack by molten sulfur which is filled in a second space above said ring and is prevented from dropping by said ring; and a solder glass layer arranged on a portion of the outer peripheral surface of the solid electrolyte tube in said second space.

REFERENCES:
patent: 3884715 (1975-05-01), Gay et al.
patent: 4038464 (1977-07-01), Baukal et al.
patent: 4052535 (1977-10-01), Robinson et al.
patent: 4360574 (1982-11-01), Park

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