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:
Apr. 07, 2026
Filed:
Sep. 11, 2020
Lg Energy Solution, Ltd., Seoul, KR;
Eun Sol Lho, Daejeon, KR;
Sang Min Park, Daejeon, KR;
Sung Bin Park, Daejeon, KR;
Seul Ki Kim, Daejeon, KR;
Wen Xiu Wang, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The present invention relates to a positive electrode material for a secondary battery, the positive electrode material including a first positive electrode active material and a second positive electrode active material, the first positive electrode active material and the second positive electrode active material being single particle types and lithium composite transition metal oxides including nickel, cobalt, and manganese and having a nickel content accounting for 60 mol % or more of total metals except for lithium, wherein the first positive electrode active material has a mean particle diameter (D) of 3 μm or less and a molar ratio (Li/M) of lithium to the metals (M) except for lithium of 1.10 to 1.20, and the second positive electrode active material has a mean particle diameter (D) of greater than 3 μm and a molar ratio (Li/M) of lithium to the metals (M) except for lithium of 1.00 to 1.13.