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:
Feb. 22, 2022
Filed:
Nov. 06, 2018
Lg Energy Solution, Ltd., Seoul, KR;
So Ra Baek, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
Min Suk Kang, Daejeon, KR;
Sang Wook Lee, Daejeon, KR;
Eun Sol Lho, Daejeon, KR;
Wen Xiu Wang, Daejeon, KR;
Abstract
The present disclosure relates to a positive electrode material including a spinel-structured lithium manganese-based first positive electrode active material and a lithium nickel-manganese-cobalt-based second positive electrode active material, wherein the first positive electrode active material includes a lithium manganese oxide represented by Formula 1 and a coating layer which is disposed on a surface of the lithium manganese oxide, the second positive electrode active material is represented by Formula 2, and an average particle diameter of the second positive electrode active material is greater than an average particle diameter of the first positive electrode active material, and a positive electrode and a lithium secondary battery which include the positive electrode material:LiMnMOA  [Formula 1]Li[NiCoMnM]OB  [Formula 2]