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

摘要

The present invention relates to a method for preparing a negative electrode active material for a rechargeable lithium battery, a negative electrode active material for a rechargeable lithium battery, and a rechargeable lithium battery. A method for preparing a negative electrode active material for a rechargeable lithium battery including a step for mixing crystalline spherical graphite capable of reversible intercalation/de-intercalation of lithium with amorphous carbon; a step for preparing the mixed crystalline spherical graphite and amorphous carbon as a pellet; a step for plasticizing the pellet; and a step for obtaining the crystalline spherical graphite having a surface coated with the amorphous carbon can be provided.