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:
Nov. 09, 2021
Filed:
Sep. 09, 2019
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Evan J. Dawley, Bloomfield Hills, MI (US);
Hongliang Wang, Sterling Heights, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/502 (2021.01); H01M 50/20 (2021.01); H01M 50/531 (2021.01);
U.S. Cl.
CPC ...
H01M 50/502 (2021.01); H01M 50/20 (2021.01); H01M 50/531 (2021.01); H01M 2220/20 (2013.01);
Abstract
Assemblies and methods are provided for manufacturing a battery. A number of cells each have tabs for coupling the cell in the battery assembly. A housing has an opening through which each tab extends. The tabs are folded to overlie an outer surface of the housing. A bus bar is disposed on an opposite side of the tabs from the housing, with a coupling joint between the bus bar and the cells. The coupling joint may comprise a weld.