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:
Dec. 30, 2025
Filed:
May. 22, 2023
Applicant:
Northvolt Ab, Stockholm, SE;
Inventors:
Kenya Shatani, Stockholm, SE;
Michael Shaughnessy, Västerås, SE;
Assignee:
NORTHVOLT AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/152 (2021.01); H01M 50/107 (2021.01); H01M 50/538 (2021.01);
U.S. Cl.
CPC ...
H01M 50/152 (2021.01); H01M 50/107 (2021.01); H01M 50/538 (2021.01);
Abstract
This disclosure presents a cylindrical secondary cell lid () for a cylindrical secondary cell (), the cylindrical secondary cell lid () comprising a number of recessed contact portions () to be arranged in direct electrical contact with an electrode roll () arranged inside the cylindrical secondary cell (), the area of the recessed contact portions () being 50 to 80 percent of the total area of the cylindrical secondary cell lid ().