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.
Patent No.:
Date of Patent:
Feb. 18, 2025
Filed:
Jan. 26, 2021
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Xingyi Yang, Sterling Heights, MI (US);
Michael P. Balogh, Novi, MI (US);
Xingcheng Xiao, Troy, MI (US);
Joel G. Toner, Imlay City, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0562 (2010.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0562 (2013.01); H01M 4/386 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/625 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2300/008 (2013.01);
Abstract
An electrolyte composition for electrochemical cells including a silicon-containing electrode is provided herein as well as electrochemical cells including the electrolyte composition. The electrolyte composition includes a lithium salt, fluoroethylene carbonate (FEC), a linear carbonate, vinylene carbonate, and a fluorosilane additive. The FEC and the linear carbonate are present in the electrolyte composition in a ratio of about 1:3 v/v to about 1:9 v/v.