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:
Jun. 09, 2026
Filed:
Aug. 31, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Tae Gon Kim, Daejeon, KR;
Min Kwak, Daejeon, KR;
Jeong Gil Kim, Daejeon, KR;
Myeong Soo Kim, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
Provided is a positive electrode active material including a core and a coating layer disposed on the core, wherein the core includes LiMO, wherein M is at least one element selected from the group consisting of nickel (Ni), cobalt (Co), manganese (Mn), iron (Fe), phosphorus (P), aluminum (Al), magnesium (Mg), calcium (Ca), zirconium (Zr), zinc (Zn), titanium (Ti), ruthenium (Ru), niobium (Nb), tungsten (W), boron (B), silicon (Si), sodium (Na), potassium (K), molybdenum (Mo), and vanadium (V), wherein −0.2≤x≤0.2, 0<y≤2, and 0≤z≤2, wherein the coating layer includes carbon-based particles, wherein the carbon-based particles includes a structure in which a plurality of graphene sheets are connected to each other, and wherein a D/G peak ratio of the positive electrode active material is in a range of 0.9 to 1.3 during Raman spectrum measurement.