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. 26, 2025
Filed:
May. 13, 2022
Applicant:
Mylar Specialty Films U.s. Limited Partnership, Chester, VA (US);
Inventors:
Stephen Sankey, Wilton, GB;
Stephen Jones, Wilton, GB;
Pedro Nunes, Luxembourg, LU;
Lucien Schosseler, Luxembourg, LU;
Assignee:
Mylar Specialty Films U.S. Limited Partnership, Chester, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); H01M 4/0404 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01);
Abstract
A current collector comprising a biaxially oriented polymeric substrate layer and a first metal layer on a side of the polymeric substrate layer, wherein the polymeric substrate layer exhibits positive thermal expansion in air at 200° C. in each of the transverse direction (TD) and machine direction (MD). The polymeric substrate layer has a thickness of no more than 12 pm and the first metal layer has a thickness of no more than 1000 nm.