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:
Sep. 23, 2025
Filed:
Sep. 16, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0587 (2010.01); H01M 50/107 (2021.01); H01M 50/538 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0587 (2013.01); H01M 50/107 (2021.01); H01M 50/538 (2021.01);
Abstract
A secondary includes an electrode assembly having a jelly roll structure including a positive electrode sheet, a negative electrode sheet, and a separator; a cylindrical case in which the electrode assembly is received; and a flat spiral spring positioned between an outer peripheral surface of the electrode assembly and an inner surface of the cylindrical case.