▎ 摘　　要

NOVELTY - Graphene material comprises 10 g carbon powder, 0.5-1.3 wt.% silver powder, 0.1-0.3 wt.% copper oxide powder, 20-30 wt.% silicon carbide, 20-34 wt.% silicon, 0.14-1.03 wt.% manganese, 0.03-0.04 wt.% germanium, 0.003-0.004 wt.% lead, and balance quartz sand. USE - Graphene material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the fractionating graphene materials comprising heating activated carbon in heating device, grinding, adding distilled water, heating to 80 degrees C, taking clear liquid, heating to 1500 degrees C for 1.5 hours until carbon powder is completely melted into liquid, and drying at 200 degrees C for 3 hours in nitrogen atmosphere; slowly adding 5 g hydrogen peroxide, 20 kg ferric sulfate, and 5 kg citric acid in beaker, stirring, adding ammonium bicarbonate to deionized water, stirring, and preparing aqueous solution of surfactant with concentration of 10%, putting trace elements such as black solids, manganese powder and germanium powder in crucible, heating, and putting trace element liquid into container containing toluene and soaking for 5 hours; and keeping temperature at 100 degrees C for 4 hours, continuously stirring with tungsten rod to adjust pH of solution to 5-7, filtering to obtain black solid, adding ethanol to 150 ml volume, placing into hot reaction tank of hydrogen reaction system, electrophoresing dispersion liquid, sampling 20 mL each time, taking out, washing with distilled water and continuously stirring.