The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 01, 2022

Filed:

Jul. 27, 2017
Applicant:

Solvay SA, Brussels, BE;

Inventors:

Kenneth Gene Moloy, Hockessin, DE (US);

Stephen E. Burkhardt, Wilmington, DE (US);

Kostantinos Kourtakis, Media, PA (US);

Brian Levy-Polis, Newark, DE (US);

Assignee:

Solvay SA, Brussels, BE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/0569 (2010.01); C07F 7/18 (2006.01); H01M 10/0568 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); C07F 7/1896 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0034 (2013.01);
Abstract

Disclosed herein are electrolyte compositions comprising a fluorinated solvent, at least one silyl oxalate represented by the formulas RR'Si(CO), wherein R and R′ are each the same or different from each other and independently selected from C-Calkyl, C-Calkenyl, C-Calkynyl, or C-Caryl radical, optionally comprising at least one substituent selected from halogen, hydroxyl, alkoxy, carbonyl, and carboxyl groups; and LiPF6. Also disclosed herein are electrolyte compositions comprising a fluorinated solvent and a lithium oxalato phosphate salt represented by the formula LiPF(CO), wherein q is 1, 2 or 3; wherein the oxalato phosphate salt comprises at least a portion that is derived from at least one silyl oxalate as defined herein. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.


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