Sodium-sulfur thermal battery

Details Sodium-sulfur thermal battery Sodium-sulfur thermal battery

1989-10-03

1990-12-11

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429102, 429247, H01M 436, H01M 214

Patent

active

049770446

ABSTRACT:
An improved sodium-sulfur thermal battery having a sodium electrode and sulfur electrode separated by a porous separator wherein the separator is sufficiently porous to allow preliminary migration of fluid sodium metal, fluid sulfur and fluid sodium polysulfides through the separator during operation of the battery in order to form a mixed polysulfides electrolyte gradient within the porous separator.

REFERENCES:
patent: 4452871 (1984-06-01), Bindin
patent: 4497742 (1985-01-01), Haberfellner et al.
patent: 4767685 (1988-08-01), Mennicke et al.

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