Lithium secondary battery

A lithium secondary battery comprises a cathode, an anode and a non-aqueous electrolyte. The cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient from a core part to a surface part thereof, and is doped with...

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Hauptverfasser:	Hwang, Duck-Chul, Yoo, Kyung-Bin, Lim, Jin-Sub, Han, Kook-Hyun
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator	Hwang, Duck-Chul Yoo, Kyung-Bin Lim, Jin-Sub Han, Kook-Hyun
description	A lithium secondary battery comprises a cathode, an anode and a non-aqueous electrolyte. The cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient from a core part to a surface part thereof, and is doped with transitional metal. The lithium-metal oxide includes elements M1, M2 and M3. One of M1, M2 and M3 has a concentration gradient range in which a concentration increases from the core part to the surface part.
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title	Lithium secondary battery
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