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:
Feb. 11, 2025
Filed:
Jun. 07, 2024
Lg Energy Solution, Ltd., Seoul, KR;
Min Wook Lee, Daejeon, KR;
Ju Young Yun, Daejeon, KR;
Seok Jin Oh, Daejeon, KR;
Joo Hwan Sung, Daejeon, KR;
Hee Chang Youn, Daejeon, KR;
Ji Min Park, Daejeon, KR;
Hye In Ko, Daejeon, KR;
Ran Eun Lee, Daejeon, KR;
Jin Young Park, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and Vrepresented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): V=C/t.