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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.:

US 12770879 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Jan. 18, 2022

Protective coatings for lithium metal electrodes and methods of forming the same

Applicant:

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

Inventors:

Yifan Zhao, Warren, MI (US);

Xingcheng Xiao, Troy, MI (US);

Shuru Chen, Troy, MI (US);

Mei Cai, Bloomfield Hills, MI (US);

Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Ula C Ruddock

Assistant Examiner:

Christina Renee Daulton

Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/62 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01);
Abstract

An electrode includes an electroactive material layer and a protective layer disposed on or adjacent to a surface of the electroactive material layer. The protective layer includes a polymerized cyclic ether and a salt dispersed therewithin. The salt includes a nitrate salt and a phosphate salt. The salt may also include a Lewis acid salt. The protective layer is formed by disposing a solution, including the salt and solvent, on or adjacent to the surface of the electroactive material layer, and polymerizing the solvent. The solvent includes the cyclic ether, and also, one or more organic phosphates.

Find Patent Forward Citations

Zhao, Yifan. (2026). Protective coatings for lithium metal electrodes and methods of forming the same (U.S. Patent No. 12770879). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12770879

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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