Sodium-sulfur batteries
AssigneeBell Telephone Laboratories, Incorporated
InventorJohn Broadhead
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Abstract
A sodium-sulfur battery is described which contains, in addition to a conventional sodium electrode, a conventional sulfur electrode and a conventional solid electrolyte, an additive which reduces the operating temperature of the cell without significant deleterious effects on operating characteristics.
Claims9
A sodium-sulfur battery comprising a sodium negative electrode, a sulfur positive electrode, and a solid electrolyte CHARACTERIZED IN THAT an additive is present in the battery which consists essentially of at least one compound selected from the group consisting of imidazole, aliphatic and aromatic substituents of imidazole with up to six carbon atoms on all substituents on the compound.
Dependencies are inferred from the claim text.