COATED POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE MATERIAL, BATTERY, AND METHOD FOR PRODUCING COATED POSITIVE ELECTRODE ACTIVE MATERIAL

COATED POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE MATERIAL, BATTERY, AND METHOD FOR PRODUCING COATED POSITIVE ELECTRODE ACTIVE MATERIAL

A coated positive electrode active material includes a positive electrode active material, a first coating layer, and a second coating layer. The first coating layer coats at least a portion of a surface of the positive electrode active material. The second coating layer coats at least a portion of...

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Bibliographische Detailangaben
1. Verfasser: FUJINOKI, NORIHITO
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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Zusammenfassung:A coated positive electrode active material includes a positive electrode active material, a first coating layer, and a second coating layer. The first coating layer coats at least a portion of a surface of the positive electrode active material. The second coating layer coats at least a portion of a surface of a fundamental active material, which includes the first coating layer and the positive electrode active material. The first coating layer contains an oxide solid electrolyte. The second coating layer contains Li, Ti, M, and F, where M is at least one element selected from the group consisting of Ca, Mg, Al, Y, and Zr.