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:
Aug. 27, 2024
Filed:
Jun. 25, 2021
Applicant:
Medtronic, Inc., Minneapolis, MN (US);
Inventors:
Hailiang Zhao, Plymouth, MN (US);
David Buendorf, Maple Grove, MN (US);
Erik J. Hovland, Minnetonka, MN (US);
Vadim A. Yakolev, Brooklyn Park, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/536 (2021.01); H01M 50/534 (2021.01); H01M 50/54 (2021.01);
U.S. Cl.
CPC ...
H01M 50/536 (2021.01); H01M 50/534 (2021.01); H01M 50/54 (2021.01);
Abstract
Devices and methods disclosed herein relate to forming superior mechanical and electrical connections between stacks of foils such as those used in electrochemical cells. The connections described herein use multiple weld types and choice of materials to promote electrical and mechanical connectivity using separate weld types.