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:
Jan. 16, 2024
Filed:
May. 09, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Tae Gu Yoo, Daejeon, KR;
Young Uk Park, Daejeon, KR;
Jin Tae Hwang, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
Sung Bin Park, Daejeon, KR;
Abstract
A positive electrode active material includes a lithium transition metal oxide, which is doped with doping element M, wherein Mincludes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, and contains nickel in an amount of 60 mol % or more based on a total number of moles of transition metals excluding lithium, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the doping element Mis included in an amount of 3,580 ppm to 7,620 ppm based on a total weight of the positive electrode active material.