CATHODE ACTIVE MATERIAL AND METHOD OF PREPARING SAME

The present invention relates to a positive electrode active material having high capacity and high rate capability and a method of preparing the same, wherein the positive electrode active material of the present invention includes lithium transition metal oxide particles having a composition repre...

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Bibliographische Detailangaben
Hauptverfasser:	KWON, Byeong Guk, LEE, Woo Ram, PARK, Hyun Ah, KIM, Jae Geun, CHOI, Sang Soon, KANG, Dong Ryoung, KIM, Na Ri
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The present invention relates to a positive electrode active material having high capacity and high rate capability and a method of preparing the same, wherein the positive electrode active material of the present invention includes lithium transition metal oxide particles having a composition represented by Formula 1, wherein a (003) d-spacing of a surface of the lithium transition metal oxide particle is larger than a (003) d-spacing inside the particle. [Formula 1] Lia[NixCoyMnzM1w]O2In Formula 1, 0.8≤a≤1.2, 0.6≤x