Patent ID: 8137591
Filing Date: 2012-03-20
Classification: B01J,B82Y,C01B,C08J,Y10T

Abstract:
1. A catalyst composition containing amorphous silicon support material for preparing carbon nanotube represented by following formula wherein [Fe, Co, Ni] represents catalytic metal of iron, cobalt, nickel and its oxide or its derivative; [Mg, Al, Si] represents inactive support material of magnesium, aluminum, amorphous silicon and its oxide or its derivative; p and q represent mole fraction of catalytic metal and inactive support material, respectively; p+q=1, 0.03≦p≦0.9, 0.1≦q≦0.97, a, b and c represent mole fraction of Fe, Co and Ni, respectively; a+b+c=1, 0.1≦a≦1.0, 0≦b≦0.9, 0≦c≦0.9, x, y and z represent mole fraction of Mg, Al and amorphous Si, respectively; x+y+z=1, 0.05≦x≦0.95, 0.05≦y≦0.95, 0.005≦z≦0.6.