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US 4,352,869 AGranted
Solid state electrolytes
AssigneeUnion Carbide Corporation
InventorGeoffrey W. Mellors
Life of this patent
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Abstract
A composition which can be used as a solid state electrolyte comprising at least 70 mole percent of cerium trifluoride and/or lanthanum trifluoride, an alkaline earth metal compound such as a fluoride, and an alkali metal compound such as lithium fluoride.
Claims11
A composition which can be used as a solid state electrolyte comprising at least 70 mole percent of at least one trifluoride selected from the group consisting of cerium trifluoride and lanthanum trifluoride, at least one alkaline earth metal compound selected from the group consisting of fluorides, chlorides and carbonates;
- and at least one alkali metal compound selected from the group consisting of fluorides, sulfates, chlorides and carbonates.
Dependencies are inferred from the claim text.