Abstract: 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.

Abstract: The present invention provides a negative active material for a rechargeable lithium battery, including an inner layer including a material being capable of doping and dedoping lithium, a carbon layer outside the inner layer, and an outer layer disposed on the carbon layer and including a material being capable of doping and dedoping lithium. The materials being capable of doping and dedoping lithium included in the inner layer and in the outer layer may be the same or different from each other.

Abstract: Disclosed are a method of making a nanomaterial and a method of fabricating a lithium secondary battery using the same. The method of making a nanomaterial includes preparing a mixed solution including a metal salt aqueous solution and an alkylamine, and hydrothermally treating the mixed solution.

Abstract: A method of preparing a silicon nanowire and a method of fabricating a lithium secondary battery including the silicon nanowire are provided. The method of preparing a silicon nanowire may include forming a catalyst layer including metal particles separated from one another on a silicon layer, selectively etching the silicon layer contacting the metal particles, and removing the metal particles.

Abstract: A block copolymer for manufacturing a nanowire and a method of manufacturing the same are disclosed. The block copolymer and the method of manufacturing a nanowire using the same are used to fabricate a nanowire having a diameter of less than or equal to 30 nm and a porous nanowire having a diameter within the same range and pores with a diameter of less than or equal to 10 nm.