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. 10, 2026
Filed:
Aug. 03, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Su Min Lee, Daejeon, KR;
Sun Young Shin, Daejeon, KR;
Yong Ju Lee, Daejeon, KR;
Bumgi Heo, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 μm or more. The anode active material has a silicon carbon composite having an average particle diameter (D50) of more than 1 μm. The average particle diameter (D50) of the single particles and/or pseudo-single particles is smaller than the average particle diameter (D50) of the silicon carbon composite.