ELECTRIC SPINNING OF PITCH SOLUTION DISSOLVED IN MIXED SOLVENT AND SUPER FINE CARBON FIBER WEB AND SUPER FINE ACTIVATED CARBON FIBER WEB MANUFACTURED BY THE SAME

摘要

PURPOSE: A manufacturing method of super fine carbon fiber web and super fine activated carbon fiber web is capable of using precursor pitch not separated, reducing a production cost and a process, controlling diameter of fiber according to concentration of a pitch solution and quantity of solvent having high conductibility and not using an organic binder for forming in manufacturing an electrode. The webs are useful for high efficiency electrical double layer capacitor, fuel cell electrodes and a high efficiency particulate arrestor gas-filter. CONSTITUTION: A manufacturing method of super fine carbon fiber web and super fine activated carbon fiber web is as follows: dissolving precursor pitch in a solvent to manufacture a pitch mix solution; electric-spinning the pitch mix solution to manufacture super fine isotropic pitch fiber web and super fine anisotropic pitch fiber web; stabilizing the webs under condition of oxidation to manufacture super fine stabilized fiber web; carbonizing the web to manufacture the super fine carbon fiber web; and then activating the super fine stabilized fiber web or the super fine carbon fiber web to manufacture the super fine activated carbon fiber web.