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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 12104258 B1

PDFFull Text
Date of Patent:
Oct. 01, 2024

Filed:

Feb. 19, 2021

Melt spinning methods for forming lithium-metal foils and electrodes of electrochemical devices

Applicant:

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

Inventors:

Michael P. Balogh, Novi, MI (US);

Jin Liu, Novi, MI (US);

Ryan C. Sekol, Grosse Pointe Woods, MI (US);

Shaomao Xu, Sterling Heights, MI (US);

Erik D. Huemiller, Waterford, MI (US);

Assignee:

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

Attorney:

Quinn IP Law

Primary Examiner:

Kevin P Kerns

Assistant Examiner:

Steven S Ha

Int. Cl.
CPC ...
B22D 11/06 (2006.01); C23C 6/00 (2006.01); H01M 4/04 (2006.01); H01M 4/38 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/44 (2006.01); H01M 4/1395 (2010.01);
U.S. Cl.
CPC ...
C23C 6/00 (2013.01); H01M 4/0404 (2013.01); H01M 4/0435 (2013.01); H01M 4/0485 (2013.01); H01M 4/382 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 10/44 (2013.01); H01M 4/1395 (2013.01); H01M 2220/20 (2013.01);
Abstract

Presented are lithium-metal electrodes for electrochemical devices, systems and methods for manufacturing lithium-metal foils, and vehicle battery packs containing battery cells with lithium-metal anodes. A method of melt spinning lithium-metal foils includes melting lithium (Li) metal stock in an actively heated vessel to form molten Li metal. Using pressurized gas, the molten Li metal is ejected through a slotted nozzle at the base of the vessel. The ejected molten Li metal is directly impinged onto an actively cooled and spinning quench wheel or a carrier sheet that is fed across a support roller underneath the vessel. The molten Li metal is cooled and solidified on the spinning wheel/carrier sheet to form a Li-metal foil. The carrier sheet may be a polymeric carrier film or a copper current collector foil. An optional protective film may be applied onto an exposed surface of the Li-metal foil opposite the carrier sheet.

Find Patent Forward Citations

Balogh, Michael. (2024). Melt spinning methods for forming lithium-metal foils and electrodes of electrochemical devices (U.S. Patent No. 12104258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12104258

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

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