Patent ID: 7754385
Filing Date: 2010-07-13
Classification: H01M,Y02E,Y02P

Abstract:
1. A method for manufacturing a carbonaceous material having a coating layer of a metal-carbide, a metalloid-carbide or a metal-metalloid-carbide, which comprises the steps of: (a) coating a surface of carbonaceous material with a compound containing at least one element selected from the group consisting of metals and metalloids; and (b) heat-treating the carbonaceous material coated in step (a) under inert atmosphere at a temperature equal to or higher than a temperature where the metal-carbide, the metalloid-carbide or the metal-metalloid-carbide is formed, wherein the coating layer of the metal-carbide, the metalloid-carbide or the metal-metalloid-carbide is represented by the following Formula 1: wherein M is at least one metal or metalloid element selected from the group consisting of alkali metals, alkaline earth metals, transition metals and elements of Group 13 and Group 14; X is an oxygen atom or a nitrogen atom; each of n, m, x, a and b independently represent a natural number of 1 or more; and each of l and y independently represent an integer of 0 or more.