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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 12767073 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Dec. 19, 2023

Methods of joining multilayer copper-graphene coated current collectors to battery cans and between windings in electric motor stators

Applicant:

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

Inventors:

Yi Liu, Troy, MI (US);

Huaxin Li, Rochester Hills, MI (US);

Qigui Wang, Rochester Hills, MI (US);

Kestutis A. Sonta, Troy, MI (US);

Masoud Mohammadpour, Novi, MI (US);

Assignee:

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

Attorney:

Vivacqua Crane, PLLC

Primary Examiner:

Oluseye Iwarere

Assistant Examiner:

Daniel K Schlak

Int. Cl.
CPC ...
B60R 16/033 (2006.01); B23K 26/322 (2014.01); H01B 7/00 (2006.01); H01B 7/20 (2006.01); H01M 50/507 (2021.01); H01M 50/516 (2021.01); H01M 50/522 (2021.01); H01M 50/526 (2021.01); H01M 50/562 (2021.01); H01R 4/02 (2006.01); H01R 4/04 (2006.01); H01R 13/03 (2006.01); H01R 43/02 (2006.01); H02K 3/50 (2006.01); H02K 15/32 (2025.01);
U.S. Cl.
CPC ...
B60R 16/033 (2013.01); B23K 26/322 (2013.01); H01B 7/0018 (2013.01); H01B 7/208 (2013.01); H01M 50/507 (2021.01); H01M 50/516 (2021.01); H01M 50/522 (2021.01); H01M 50/526 (2021.01); H01R 4/029 (2013.01); H01R 4/04 (2013.01); H01R 13/03 (2013.01); H02K 3/50 (2013.01); H01M 50/562 (2021.01); H01R 43/0207 (2013.01); H01R 43/0221 (2013.01); H01R 2201/26 (2013.01); H02K 15/32 (2025.01); H02K 2203/09 (2013.01);
Abstract

An electrical connection for a vehicle and methods of forming an electrical connection for a vehicle. The electrical connection includes a first electrical component including a first joining area. The electrical connection also includes a conductor including a second joining area. The conductor is joined at the second joining area to the first joining area of the first electrical component. In addition, the electrical connection includes a fusion zone formed in the first electrical component in the first joining area. The conductor includes a copper-graphene multilayer composite formed on the surface of the conductor, the composite including at least one of the following composite structures: a) alternating layers of graphene and copper deposited on the substrate, b) graphene particles dispersed in a copper matrix, and c) alternating layers of graphene and copper deposited on a copper foil, wherein the copper foil is wrapped around the substrate.

Find Patent Forward Citations

Liu, Yi. (2026). Methods of joining multilayer copper-graphene coated current collectors to battery cans and between windings in electric motor stators (U.S. Patent No. 12767073). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12767073

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

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