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

摘要

Disclosed are a method of preparing a negative active material for a rechargeable lithium battery that includes: preparing a powder including a material being capable of doping and dedoping lithium; coating the powder including the material being capable of doping and dedoping lithium with metal particles; and etching the powder including the material being capable of doping and dedoping lithium and coated with the metal particles, a negative active material for a rechargeable lithium battery prepared in this method, and a rechargeable lithium battery including the negative active material.