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. 01, 2026
Filed:
Dec. 19, 2023
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); G01N 23/04 (2018.01); G01N 23/18 (2018.01); H01M 10/42 (2006.01); H01M 50/466 (2021.01);
U.S. Cl.
CPC ...
H01M 10/4285 (2013.01); G01N 23/04 (2013.01); G01N 23/18 (2013.01); H01M 10/0459 (2013.01); H01M 50/466 (2021.01); G01N 2223/04 (2013.01); G01N 2223/646 (2013.01);
Abstract
A stack cell for easy confirmation of separator folding, includes a plurality of electrodes, a separator disposed between two adjacent electrodes, and a mark formed of a radio-opaque material through which no radiation ray is transmitted, and provided at an edge region of the separator, where the folding of the separator can be easily determined through the position information of the mark through which no radiation ray is transmitted.