Sodium sulfur cell and process of manufacturing the same

Details Sodium sulfur cell and process of manufacturing the same Sodium sulfur cell and process of manufacturing the same

H - Electricity

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H01M 2/16 (2006.01) C04B 35/113 (2006.01) H01M 10/28 (2006.01) H01M 10/39 (2006.01)

Patent

CA 2021708

A sodium sulfur cell comprising a cathode of metallic sodium, an anode of sulfur or sodium polysulfide, and beta alumina tube solid electrolyte separator containing water in an amount of not more than 0.3 mg per cm2 of the surface area of the beta alumina tube. This cell has a prolonged electromotive life and maintains reliable characteristics for a long time. The cell can be manufactured by conducting heating to remove water from the beta alumina separator after sintering.

Cellule sodium-soufre comprenant une cathode en sodium métallique, une anode en soufre ou en polysulfure de sodium et un tube d'alumine bêta en guise de séparateur électrolytique solide contenant de l'eau en quantité n'excédant pas 0,3 mg/cm2 de surface du tube d'alumine bêta. La cellule électrolytique de la présente invention a une durée de vie électromotrice prolongée et présente des caractéristiques fiables pour une longue période. La cellule peut être fabriquée par chauffage dans le but d'enlever l'eau du séparateur d'alumine bêta après frittage.

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