ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRIS..MTNORSMESMMA..TNMD..........JBDM Ver 0.1.63 (23 May 2017) - 1999001/03439081CORRECTED EUROPEAN PATENT APPLICATIONpublished in accordance with Art. 153(4) EPCA8A120190501W130deBibliographieenBibliographyfrBibliographieEP18748698.02018012620181029koenen2017001364920170131KR2017001361320170131KR201905012019182019020620190620190501201918H01M 4/36 20060101AFI20180810BHEP H01M 4/525 20100101ALI20180810BHEP H01M 4/485 20100101ALI20180810BHEP H01M 4/505 20100101ALI20180810BHEP H01M 4/131 20100101ALI20180810BHEP H01M 10/052 20100101ALI20180810BHEP C01G 51/00 20060101ALI20180810BHEP deKATHODENAKTIVMATERIAL FÜR LITHIUMSEKUNDÄRBATTERIE, EINSCHLIESSLICH LITHIUM-KOBALT-OXID MIT KERN-HÜLLEN-STRUKTUR, VERFAHREN ZUR HERSTELLUNG DAVON UND KATHODE UND SEKUNDÄRBATTERIE MIT KATHODENAKTIVMATERIALenCATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, INCLUDING LITHIUM COBALT OXIDE HAVING CORE-SHELL STRUCTURE, METHOD FOR PREPARING SAME, AND CATHODE AND SECONDARY BATTERY INCLUDING CATHODE ACTIVE MATERIALfrMATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE AU LITHIUM, COMPRENANT DE L'OXYDE DE LITHIUM ET DE COBALT AYANT UNE STRUCTURE C UR-ÉCORCE, SON PROCÉDÉ DE PRÉPARATION, ET CATHODE ET BATTERIE SECONDAIRE COMPRENANT UN MATÉRIAU ACTIF DE CATHODE1aLG Chem, Ltd.101555903209 461 a/jme128, Yeoui-daero Yeongdeungpo-guSeoul 07336KRJO, Chi HoLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRPARK, SungbinLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRPARK, JiyoungLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRLEE, Bo RamLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRHAN, JungminLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRHUR, HyuckLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRJUNG, Wang MoLG Chem Research Park 188 Munji-ro Yuseong-guDaejeon 34122KRHoffmann Eitle100061036Patent- und Rechtsanwälte PartmbB Arabellastraße 3081925 MünchenDEALATBEBGCHCYCZDEDKEEESFIFRGBGRHRHUIEISITLILTLULVMCMKMTNLNOPLPTRORSSESISKSMTRBAMEMAMDTNKR201800116920180126koWO201814361220180809201832

The present invention relates to a positive electrode active material for a lithium secondary battery including a lithium cobalt oxide having a core-shell structure, wherein the lithium cobalt-doped oxide of the core and the lithium cobalt-doped oxide of the shell include each independently three kinds of dopants and satisfy specific conditions, a method for producing the same, and a positive electrode and a secondary battery containing the positive electrode active material.