▎ 摘 要
NOVELTY - The method involves adding resorcinol solution, weighed or hydroquinone solution and formaldehyde solution or alcohol solution in water. Reaction initial liquid is filled in a sealing bottle cover. An upper cover cap is arranged in a drying box for performing gel reaction process. Wet gel prepare process is performed according to the gel reaction process. Salt solution is entered in dry gel. Dropping amount of the dry gel is calculated. Drying gel carbonizing treatment is performed to prepare graphene/spherical carbon/metal oxide composite material. USE - Graphene/spherical carbon/metal oxide composite material preparation method. ADVANTAGE - The method enables improving high ratio capacity and charging and discharging efficiency, and satisfying large power supply requirements. DESCRIPTION OF DRAWING(S) - The drawing shows a photograph view illustrating a graphene/spherical carbon/metal oxide composite material preparation method. '(Drawing includes non-English language text)'