▎ 摘　　要

NOVELTY - Graphene material comprises 100 pts. wt. potassium hydroxide, 5-15 pts. wt. terephthalaldehyde, 4-8 pts. wt. green alum, 2-8 pts. wt. graphite, 1-3 pts. wt. sodium dodecyl sulfate, 4-6 pts. wt. magnesium chloride, 10-12 pts. wt. ethylene glycol monobutyl ether, 3-7 pts. wt. calcium chloride, 6-10 pts. wt. tetramethylammonium bicarbonate, and 7-9 pts. wt. nickel bromide. USE - The graphene material is useful in fuel cell oxygen reduction reaction non-noble metal catalyst, super capacitor, lithium-ion batteries and other energy storage areas and industrial catalysis. ADVANTAGE - The graphene material has mechanical property, conductive property, good thermal conductivity; and is economical, operation is simple and easy, improves battery's high-current discharge property, environmentally friendly, suitable for large-scale production, and has high-current products discharge cycle performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing graphene material comprising (i) taking potassium hydroxide, terephthalaldehyde, green alum, graphite, sodium dodecyl sulfate, magnesium chloride, ethylene glycol monobutyl ether, calcium chloride, tetramethylammonium bicarbonate, and nickel bromide; (ii) transferring feedstock raw material into a mill, grinding at room temperature for 50-60 minutes, to obtain mixture; and (iii) placing the homogenized material in capped ceramic crucible, palcing the ceramic crucible into tube furnace using lid under high-purity nitrogen protection, heating at 550-650 degrees C for 1-5 hours, increasing the heating temperature to 800-1000 degrees C for 2-4 hours, to obtain graphene material.