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US 5,707,760 AGranted
Additives for inhibiting decomposition of lithium salts and electrolytes containing said additives
AssigneeValence Technology, Inc.
InventorsArnold M. Stux, Jeremy Barker
Life of this patent
Estimating the term…
Abstract
A method of enhancing the thermal stability of electrolytic solvents containing lithium salts by the addition of carbonate additives such as lithium carbonate and calcium carbonate is provided. Electrochemical cells comprising electrolytes with the additives are expected to demonstrate improve performance and cycle life.
Claims28
An electrolytic cell which comprises:
- an anode;
- a cathode;
- and interposed therebetween a solvent-containing electrolyte which comprises:
- a lithium salt;
- a solvent;
- and
- a carbonate additive comprising calcium carbonate.
4 more elements
A process for preparing an electrolytic cell which comprises:
- (a) providing a cathode;
- (b) providing an anode;
- (c) forming an electrolyte between the cathode and anode wherein the electrolyte comprises:
- a lithium salt,
- a solvent;
- and
- a carbonate additive comprising calcium carbonate.
4 more elements
Dependencies are inferred from the claim text.