NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, NEGATIVE ELECTRODE INCLUDING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, NEGATIVE ELECTRODE INCLUDING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Disclosed is a negative active material for a rechargeable battery including natural graphite including secondary particles in which a plurality of primary particles are assembled; amorphous carbon on the surface of the primary particles; and a coating layer including amorphous carbon surrounding th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAH, Jaehou, LEE, Eunjoo
Format: Patent
Sprache:eng ; hun
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:Disclosed is a negative active material for a rechargeable battery including natural graphite including secondary particles in which a plurality of primary particles are assembled; amorphous carbon on the surface of the primary particles; and a coating layer including amorphous carbon surrounding the secondary particles, wherein the primary particles have a particle diameter of about 5 µm to about 15 µm, the secondary particles have a particle diameter of about 8 µm to about 24 µm.