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US 2022/0045349 A1Published application
Aqueous and Hybrid Electrolytes With Wide Electrochemical Stability Windows
AssigneesUniversity of Maryland, College Park, The United States of America as represented by the Secretary of the Army
InventorsKang XU, Arthur VON WALD CRESCE, Oleg A. BORODIN, Chunsheng WANG, Liumin SUO
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Abstract
The present invention is directed to aqueous and hybrid aqueous electrolytes that comprise a lithium salt. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.
Claims29
An electrolyte, comprising:
- (a) at least one metal salt;
- and
- (b) a solvent comprising between about 1% and about 100% water by weight;
- wherein the molal concentration of the metal salt in the electrolyte is at least 15 m when water is the only solvent or the molal concentration of the metal salt in the electrolyte is at least 5 m when the solvent comprises water and a non-aqueous solvent, and wherein the electrochemical stability window of the electrolyte is greater than 2.0 V.
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Dependencies are inferred from the claim text.