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:
Mar. 18, 2025
Filed:
Jan. 07, 2020
Lg Chem, Ltd., Seoul, KR;
Dong Hun Lee, Daejeon, KR;
Sung Bin Park, Daejeon, KR;
Hyung Man Cho, Daejeon, KR;
Jung Min Han, Daejeon, KR;
Jin Tae Hwang, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A positive electrode active material includes a nickel-based lithium transition metal oxide containing nickel in an amount of 60 mol % or more based on a total number of moles of metals excluding lithium, wherein cobalt is included in an amount of greater than 0 ppm to 6,000 ppm or less on a surface of the nickel-based lithium transition metal oxide. A method of preparing the positive electrode active material, a positive electrode for a lithium secondary battery and a lithium secondary battery which includes the positive electrode active material are also provided.