NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY INCLUDING CORE CONSISTING OF CARBON METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

摘要

Hard carbon and soft carbon, and a shell layer positioned on the surface of the core particle, wherein the shell layer comprises i) at least one of silicon (Si) / carbon black / carbon composite particles, and amorphous ) Or a semi-crystalline carbon; And ii) a second shell layer having a structure in which amorphous or quasi-crystalline carbon is distributed between the flaked graphite flake particles and the flake graphite flake particles are laminated in a concentric direction to form a closed structure, and a second shell layer formed on the first shell layer A negative electrode active material for a lithium secondary battery, a method for producing the same, and a lithium secondary battery comprising the same.