▎ 摘　　要

NOVELTY - Preparation (M1) of high volume ratio capacity composite graphene porous carbon involves a) preparing sheet-shaped colloid type porous carbon by: taking carboxylic-containing compounds solution (0.1-10 mg/ml), oxidized graphite alkene aqueous solution (0.5-5 mg/ml) and liquor (1-100 mg/ml) containing light base and aqueous solution derivative mix, stirring at 25 degrees C, adding water solution of aldehyde at 80-180 degrees C for 4-12 hours; centrifuging, collecting sample, drying at 50 degrees C for 24 hours, carbonizing; b) preparing nano carbon piece of self-assembled one-piece carbon; and carbonizing. USE - For preparation of high volume ratio capacity composite graphene porous carbon useful as electrode material for capacitor (claimed). ADVANTAGE - The high volume ratio capacity composite graphene porous carbon has a sandwich structure type porous carbon structure. The method is simple, obtains high purity of product, convenient to use, can be produced in large scale, has high capacity number magnitude than material in the graphite alkenyl super capacitor application, and has great application potential and market prospect. The nanometer sheet-shaped sandwich structure not only has high carbon mass ratio capacity but also has high volume ratio capacity; and acts as high power density and high energy density electrode of super capacitor material. DETAILED DESCRIPTION - Preparation (M1) of high volume ratio capacity composite graphene porous carbon involves controlling the shape of the porous carbon material by the following method: a) preparing sheet-shaped colloid type porous carbon by: taking carboxylic-containing compounds solution (0.1-10 mg/ml), oxidized graphite alkene aqueous solution (0.5-5 mg/ml) and liquor (1-100 mg/ml) containing light base and aqueous solution derivative mix, stirring for 10-30 minutes at 25 degrees C, where the mass ratio of the carboxyl group-containing compound and the hydroxyl group-containing phenol and the derivatives is 0.001:0.1-0.1:1, and the mass ratio of the graphene oxide with hydroxyl group-containing phenol and derivative is 0.1:1-0.1:10, under condition of stirring, adding water solution of aldehyde, where the mol ratio of the hydroxyl group-containing phenolic aldehyde and its ramification is 1:1-1:2.7, at 80-180 degrees C under water hydro-thermal for 4-12 hours; centrifuging at 10000-15000 revolutions/minute, collecting the sample, drying at 50 degrees C for 24 hours, carbonizing: under protection of inert gas, at increasing speed of 1-3 degrees C/minute, heating from room temperature, to 400 degrees C, reacting at constant temperature for 50-120 minutes, and then at increasing speed of 1-5 degrees C/minute heating from 400 degrees C to carbonization final temperature of 450-1200 degrees C, reacting at constant temperature for 60-240 minutes; b) preparing nano carbon piece of self-assembled one-piece carbon: mixing with carboxylic compounds (0.1-1 g/ml) containing water solution, graphene oxide water solution (0.1-10 mg/ml), piece of self-assembled one-piece carbon (0.1-1.5 g/ml) containing light base and aqueous solution derivative at 25 degrees C, stirring for 1-60 minutes, where the mass ratio of the hydroxyl group-containing phenols and their derivatives and a carboxyl group-containing compound is 5:1-20:1, where the mass ratio of oxidized graphite alkene hydroxyl group-containing phenol and its derivative is 0.01:1-0.1:1; under condition of stirring, adding aqueous solution into step (a), where the mol ratio of the hydroxyl group-containing phenolic aldehyde and its ramification is 1:1-1:3, at 50-90 degrees C, after drying for 10-60 minutes, solidifying the solution, aging for 4-24 hours continuously, fume hood to dry overnight, drying at 50 degrees C for 24-72 hours, carbonizing: under protection of inert gas, at increasing speed of 1-3 degrees C/minute, heating from room temperature, to 400 degrees C, reacting at constant temperature for 60 minutes, and then at increasing speed of 1-5 degrees C/minute heating from 400 degrees C to carbonization final temperature of 450-1200 degrees C, reacting at constant temperature for 60-240 minutes. An INDEPENDENT CLAIM is included for a porous carbon prepared by the method (M1).