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

摘要

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.