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:
Jun. 06, 2023
Filed:
Apr. 18, 2022
Northvolt Ab, Stockholm, SE;
Tetsuya Makino, Solna, SE;
Daniel Lowe, Västerås, SE;
Northvolt AB, Stockholm, SE;
Abstract
The disclosure provides a cylindrical secondary cell () and a method of its assembly. The cylindrical secondary cell () comprises a cylindrical can () comprising a beading groove (), a first conductive sheet (), with first electrode coating (), wound to form a jelly roll (), the first conductive sheet () comprises a portion free of first electrode coating () protruding on a first end side (), and an electrode lead plate () arranged at the first end side () and in direct contact with the portion free of first electrode coating (). The electrode lead plate () comprises a flange () extending away from the jelly roll () and arranged along the edge of the electrode lead plate (). The beading groove () is arranged on the cylindrical can () such that the flange of the electrode lead plate () is bent and pressed inwards, towards a centre of the cylindrical can (), by the beading groove ().