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. 09, 2025
Filed:
Jul. 19, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Yong-Hwan Kwon, Daejeon, KR;
Dong-Wook Kim, Daejeon, KR;
Ji-Young Park, Daejeon, KR;
Ju-Nam Son, Daejeon, KR;
Seo-Hyeon Chae, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A cylindrical battery includes an electrode assembly and a cylindrical battery housing. The electrode assembly includes a core and an outer circumference. The cylindrical battery includes a first fan-shaped region and a second fan-shaped region. The first fan-shaped region is surrounded by a first straight line and a second straight line passing from a center of the core through a core side end of the first and second electrodes, respectively, and the outer circumference is defined as a stress vulnerable region. The second fan-shaped region is surrounded by a third straight line and a fourth straight line passing from the center of the core through an outer circumference side end of the first and second electrodes, respectively, and the outer circumference is defined as a stress amplification region. A battery pack and vehicle including the same are also provided.