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:
Aug. 22, 2023
Filed:
Jul. 09, 2018
Lg Chem, Ltd., Seoul, KR;
Unist (Ulsan National Institute of Science and Technology), Ulsan, KR;
Ji Won Min, Daejeon, KR;
Seok Koo Kim, Daejeon, KR;
Youngsik Kim, Ulsan, KR;
Janis Doelle, Daejeon, KR;
Seongwoo Heo, Ulsan, KR;
Youngjun Lim, Ulsan, KR;
Abstract
Provided is a positive electrode for a lithium secondary battery, the positive electrode including a positive electrode mixture layer on a positive electrode current collector, wherein the positive electrode mixture layer includes a positive electrode active material and a lithium ion additive, the lithium ion additive is a lithium ion conductive ceramic material represented by Formula 1 below, and the lithium ion conductive ceramic material has a structure in which lithium ions are additionally inserted into vacancy sites of a NASICON-type (Na super ionic conductors-type) structure.LiMM(PO)  [Formula 1] In Formula 1, Mis at least one of Ti and Ge, Mis one or more selected from the group consisting Al, Cr, Ga, Fe, Sn, In, Lu, Y, and La, and 0<x1≤0.3, and 1.7≤y1≤2.0.