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:
Oct. 22, 2024
Filed:
Jan. 15, 2021
Applicant:
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Inventors:
Frederik Grau, Braunschweig, DE;
Kartik Jamadar, Wolfsburg, DE;
Christian Theuerkauf, Braunschweig, DE;
Assignee:
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/14 (2006.01); H01M 50/102 (2021.01); H01M 50/119 (2021.01); H01M 50/124 (2021.01);
U.S. Cl.
CPC ...
H01M 50/102 (2021.01); B21D 26/14 (2013.01); H01M 50/119 (2021.01); H01M 50/124 (2021.01); H01M 2220/20 (2013.01);
Abstract
A method for forming a metal composite film for battery cells includes at least the following steps: (a) inserting the metal composite film into a forming apparatus having a recess; (b) fixing the metal composite film in place by closing a film holder; (c) preforming the metal composite film within the recess in a first direction; and (d) final forming of the metal composite film within the recess in a second direction.