NOVELTY - Preparation of high specific surface area carborundum/porous carbon composite material comprises mixing organic carbon source, surfactant and solvent, stirring at room temperature under 50-200 revolutions/minute (rpm), adding organic silicon source, stirring at 50-200 rpm, adjusting pH, stirring at 50-200 rpm, evaporating at room temperature for 12-24 hours, drying at 80-120 degrees C, carbonizing precursor, reacting under inert gas atmosphere at 1100-1350 degrees C, grinding, removing carbonized silica by alkali or acid treatment, washing with water, and drying at 80-120 degrees C.    USE - Method for preparing high specific surface area carborundum/porous carbon composite material (claimed) used for liquid fuel cell as catalyst support material.    ADVANTAGE - The material has particle size of 10-30 nm and specific surface area of 800-1400 m2/g. The method is simple, non-polluting, low-cost and suitable for industrial application.    DETAILED DESCRIPTION - Preparation of high specific surface area carborundum/porous carbon composite material comprises mixing organic carbon source, surfactant and solvent, stirring at room temperature under 50-200 revolutions/minute (rpm) for 0.5-2 hours, adding organic silicon source, stirring at 50-200 rpm to obtain mixed solution, adjusting pH to 1-3 by adding 5-25% hydrochloric acid solution, stirring at 50-200 rpm for 0.5-2 hours to obtain homogenized solution, evaporating at room temperature for 12-24 hours, drying at 80-120 degrees C for 24-48 hours to obtain composite precursor, carbonizing precursor by heating from room temperature to 1100-1350 degrees C at 2-20 degrees C/min, reacting under inert gas atmosphere at 1100-1350 degrees C for 1-10 hours to obtain carbonized mixture, grinding for 5-20 minutes, removing carbonized silica by alkali or acid treatment, washing with water to adjust pH to 6-8, and drying at 80-120 degrees C for 24-48 hours to obtain composite material. The feed ratio of organic carbon source and surfactant is 1.5-4.5 mL:1 g. The volume ratio of organic carbon source and organic solvent is 1:2-5. The volume ratio of organic carbon source and organic silicon is source is 1:0.2-2. An INDEPENDENT CLAIM is included for the preparation of phenolic resin solution comprising dissolving phenolic compound into solvent, adding sodium hydroxide, stirring at 50-200 rpm, reacting at 60-90 degrees C for 0.5-2 hours, and cooling to room temperature.