POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

A positive electrode active material for a secondary battery includes a lithium metal composite oxide having a crystal structure based on a rock-salt structure belonging to a space group Fm-3m. The lithium metal composite oxide contains a first metal element other than Li, and a second metal element...

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Bibliographische Detailangaben
Hauptverfasser:	Esaki, Shogo, Nakura, Kensuke, Hibino, Mitsuhiro, Zhang, Jin
Format:	Patent
Sprache:	eng
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:	A positive electrode active material for a secondary battery includes a lithium metal composite oxide having a crystal structure based on a rock-salt structure belonging to a space group Fm-3m. The lithium metal composite oxide contains a first metal element other than Li, and a second metal element other than Li and the first metal element. The first metal element is at least one selected from the group consisting of Gd, Ce, Eu, Sm, and Yb.