CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

The present disclosure relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising same, the cathode active material comprising a lithium metal oxide represented by the following chemical formula 1: [chemical formula 1] Lip(NixCoyMez)O2, wherein 0...

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Bibliographische Detailangaben
Hauptverfasser:	PARK, Dohyung, LEE, Daehoe, KIM, Minhan, JEON, Gyuran, LIM, Okgyu, KIM, Dongjin, KIM, Ilseok
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The present disclosure relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising same, the cathode active material comprising a lithium metal oxide represented by the following chemical formula 1: [chemical formula 1] Lip(NixCoyMez)O2, wherein 0.9 ≤ p ≤ 1.1, 0.81 ≤ x ≤ 0.87, 0 < y ≤ 0.3, 0 < z ≤ 0.3, x + y + z =1, and Me is at least one of Al, Mn, Mg, Ti and Zr. La présente invention concerne un matériau actif de cathode pour une batterie secondaire au lithium, et une batterie secondaire au lithium le comprenant, le matériau actif de cathode comprenant un oxyde de métal de lithium représenté par la formule chimique 1 suivante: [formule chimique 1] Lip (NixCoyMez)O2, où 0,9 ≤ p ≤ 1,1, 0,81 ≤ x ≤ 0,87, 0 < y ≤ 0,3, 0 < z ≤ 0,3, x + y + z =1, et Me représentant au moins un élément parmi Al, Mn, Mg, Ti et Zr. 본 기재는 하기 화학식 1로 표시되는 리튬 금속 산화물을 포함하는 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지에 관한 것이다. [화학식 1] Lip(NixCoyMez)O2 상기 화학식 1에서, 0.9 ≤ p ≤ 1.1, 0.81 ≤ x ≤ 0.87, 0 < y ≤ 0.3, 0 < z ≤ 0.3, x + y + z =1이고, Me는 Al, Mn, Mg, Ti 및 Zr 중 적어도 하나이다.