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US 3,998,660 AGranted
Method of preparing dry thionyl chloride electrolyte
AssigneeGTE Laboratories Incorporated
InventorSheldon I. Lieberman
Life of this patent
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Abstract
Thionyl chloride electrolyte having less than about 1 ppm water contamination is prepared by mixing dry thionyl chloride solvent with sulfuryl chloride electrolyte having less than about 1 ppm water contamination and then removing the sulfuryl chloride.
Claims5
A method of preparing thionyl chloride electrolyte having less than 1 ppm water contamination which comprises:
- a. Mixing dry thionyl chloride solvent with sulfuryl chloride electrolyte which has a solute therein suitable for preparation of lithium batteries, and which electrolyte has less than about 1 ppm of water contamination therein,
- b. Removing the sulfuryl chloride.
A method of preparing thionyl chloride-lithium tetrachloroaluminate for use in an electrochemical cell electrolyte which comprises:
- a. Preparing a sulfuryl chloride-lithium tetrachloroaluminate electrolyte with less than 1 ppm water combination,
- b. Adding dry thionyl chloride solvent to said electrolyte,
- c. Distilling off the sulfuryl chloride,
- d. Reconstituting the thionyl chloride-lithium tetrachloroaluminate electrolyte by adding additional dry thionyl chloride thereto.
1 more element
Dependencies are inferred from the claim text.