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:
Jul. 14, 2026
Filed:
Apr. 21, 2023
SK on Co., Ltd., Seoul, KR;
Myeong Seon Kwon, Daejeon, KR;
SK On Co., Ltd., Seoul, KR;
Abstract
A secondary battery is disclosed. The secondary battery includes an electrode assembly a positive electrode and a negative electrode including an electrode portion in which an electrode mixture layer containing an electrode active material is formed on a portion of an electrode current collector, and an electrode uncoated portion not including the electrode mixture layer. The electrode assembly comprises a converging portion in which an end of the electrode uncoated portion is collected and a bonding portion in which at least a portion of the converging portion and an electrode lead are joined, and a portion of the electrode lead protrudes to an outside of the battery case. At least one of the positive electrode and the negative electrode includes a polymer compound layer on at least a portion of one surface or both surfaces of the electrode uncoated portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile