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:
May. 20, 2025
Filed:
Nov. 12, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Sung Chul Lim, Daejeon, KR;
Min Chul Jang, Daejeon, KR;
Il Hong Kim, Daejeon, KR;
In Sung Uhm, Daejeon, KR;
Byoung Hyo Jung, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 53/42 (2025.01);
U.S. Cl.
CPC ...
C01G 53/42 (2013.01); C01P 2002/32 (2013.01); C01P 2006/40 (2013.01);
Abstract
A positive electrode active material includes a lithium transition metal oxide having a spinel crystal structure, and a coating layer positioned on the surface of the lithium transition metal oxide, wherein the coating layer has an orthorhombic structure, and includes an oxide represented by Formula 1. A method for producing the positive electrode active material, a positive electrode including the positive electrode active material, and a lithium secondary battery, the positive electrode active material.