POSITIVE ELECTRODE ACTIVE MATERIAL COMPRISING LITHIUM MANGANESE OXIDE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure represented by Formula 1 below and high lithium ion diffusivity since (440) planes are predominantly formed in a crystal structure thereof. Li 1+...

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Hauptverfasser:	KIM, SinKyu, LEE, Sang Uck, OH, Song-Taek, SOHN, Se Hui, CHUNG, GeunChang
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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Zusammenfassung:	Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure represented by Formula 1 below and high lithium ion diffusivity since (440) planes are predominantly formed in a crystal structure thereof. Li 1+x M y Mn 2-x-y O 4-z Q z (1) In Formula 1, 0¤x¤0.3, 0¤y¤1, and 0¤z¤1, M includes at least one element selected from the group consisting of Al, Mg, Ni, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Ti, and Bi, and Q includes at least one element selected from the group consisting ofN, F, S, and Cl.