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:
Nov. 13, 2018
Filed:
Mar. 12, 2015
Lg Chem, Ltd., Seoul, KR;
Research Affairs of Snu & Snu R&db Foundation, Seoul, KR;
Hoe Jin Hah, Daejeon, KR;
Sun Sik Shin, Daejeon, KR;
Kyoung Ho Kim, Daejeon, KR;
Il Hong Kim, Daejeon, KR;
Je Young Kim, Daejeon, KR;
Kisuk Kang, Daejeon, KR;
Jihyun Hong, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed herein are a positive electrode active material including at least one selected from among compounds represented by Formula 1 below and a lithium secondary battery including the same that is capable of improving lifetime characteristics and rate characteristics while exhibiting excellent safety: xLiMMnOA*(1−x)LiM'OA′(1), where M is at least one element selected from a group consisting of Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, and Po, M′ is at least one element selected from a group consisting of Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn, and second row transition metals, A and A′ are each independently a negative monovalent or divalent anion, and 0<x<1, 0.3<y<1, 0≤z<0.5, and 0≤z′<0.5.