Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in molten state
Patent
1978-09-25
1980-09-02
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Fluid active material or two-fluid electrolyte combination...
Active material in molten state
429193, H01M 1239
Patent
active
042206910
ABSTRACT:
In a sodium sulfur cell including a beta-alumina separator between the sodium and sulfur compartments, high surface area gettering means, e.g., beta-alumina or beta"-alumina, for potassium and alkali earth metal ion impurities in the sodium to protect the separator. The gettering means is disposed in the sodium container in the form of particles or a continous porous shell or porous solid plug adjacent to the separator.
REFERENCES:
patent: 3404035 (1968-10-01), Kummer et al.
patent: 3740206 (1973-06-01), Christopher
patent: 3933523 (1976-01-01), Dubin et al.
patent: 4029858 (1977-06-01), Evans et al.
patent: 4041215 (1977-08-01), Kormanyos et al.
patent: 4048391 (1977-09-01), Tilley et al.
patent: 4055710 (1977-10-01), May et al.
patent: 4076903 (1978-02-01), Sudworth et al.
Mitoff Stephan P.
Roth Walter L.
Electric Power Research Institute Inc.
Skapars Anthony
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