Porous graphitic carbon prepared from the catalytic carbonization of Mo-containing resin for supercapacitors

Abstract

A polystyrene-based ion exchange resin was utilized to recover Mo from wastewater, and the Mo was used as a catalyst and template to produce porous graphitic carbon possessing a large specific surface area and high electronic conductivity at moderate temperature. Further H₂O₂ oxidation leads to an increase in the pore volume due to the removal of molybdenum carbide and the partial oxidation of the porous carbon, resulting in a considerable enhancement of the specific capacitance.