ACTIVE MATERIAL, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide an active material capable of improving charge and discharge characteristics.SOLUTION: An active material according to an embodiment of the present invention includes a core portion and a coating layer covering the core portion, and the coating layer is an amorphous...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIDA MIRAI, TANABE YORIJI, KARIYADO HIROSHI, OKANO YASUHISA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an active material capable of improving charge and discharge characteristics.SOLUTION: An active material according to an embodiment of the present invention includes a core portion and a coating layer covering the core portion, and the coating layer is an amorphous composite oxide containing Li, Al, Ti, and P, and the composition ratio of these elements in the amorphous composite oxide satisfies Li:Al:Ti:P=(1+x+y):x:(2-x):3 (1) (0≤x≤1, 0