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:
May. 09, 2023

Filed:

Oct. 29, 2020
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Li Yang, Troy, MI (US);

Umamaheswari Viswanathan, Troy, MI (US);

Mary E. Fortier, Troy, MI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/00 (2006.01); H01M 10/0569 (2010.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 10/0567 (2013.01); H01M 2300/0037 (2013.01); H01M 2300/0051 (2013.01);
Abstract

An electrolyte is provided. The electrolyte includes a solvent containing propylene carbonate (PC); a lithium salt dissolved in the solvent; a first additive dissolved in the solvent, the first additive being configured to stabilize an anode solid electrolyte interphase; a second additive dissolved in the solvent, the second additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt; and a third additive dissolved in the solvent, the third additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt. The first, second, and third additives are chemically distinct. Electrochemical cells including the electrolyte are also provided.


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