Patent ID: 8486584
Filing Date: 2013-07-16
Classification: B01J,C08F,D01D,D01F,H01G,H01M,Y02E

Abstract:
1. A method for fabricating a carbon material, which comprises: forming polymeric fibers from a halogenated polymer; subjecting the polymeric fibers to partial dehalogenation to give a partial dehalogenation product comprising dehalogenated polymeric fibers and a non-dehalogenated polymer in the dehalogenated polymeric fibers; and heat-treating the partial dehalogenation product in the presence of a metal catalyst or metal catalyst precursor to obtain carbon tubes, wherein the non-dehalogenated polymers are pyrolyzed and gasified during the heat treatment and adsorbed onto the metal catalyst or metal catalyst precursor present in the carbon tubes or in the dehalogenated polymeric fibers; and wherein branches are self-grown from the carbon tubes at a location where the metal catalyst or metal catalyst precursor to which the pyrolyzed and gasified non-dehalogenated polymers are adsorbed is present.