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. 17, 2025
Filed:
Dec. 22, 2021
Applicant:
SK on Co., Ltd., Seoul, KR;
Inventors:
Jong Hyuk Lee, Daejeon, KR;
Hee Gyoung Kang, Daejeon, KR;
Assignee:
SK ON CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/636 (2021.01);
U.S. Cl.
CPC ...
H01M 50/636 (2021.01); H01M 2220/20 (2013.01);
Abstract
A battery cell includes a case, accommodating an electrode assembly therein, and a connection unit formed to have a tube shape and having one end bonded to an external surface of the case. The case includes a projection formed to protrude outwardly, and the projection is disposed in an internal surface of the connection unit.