▎ 摘　　要

NOVELTY - Preparation of metal monoatom-loaded double-doped pore controllable metal organic framework (MOF)-derived graphene/sulfur composite material comprises dispersing emulsifier-surfactant into ethanol solution, adding metal salt, stirring and dispersing to obtain first clear reaction solution; dispersing ligand into ethanol solution; adding second reaction solution to first reaction solution, mixing, settling, centrifuging and drying; pre-calcining in inert atmosphere, soaking in activator solution, heating and stirring to remove solvent, drying, placing in tube furnace, heat treating in inert atmosphere, cooling, and centrifuging; putting hydrazine hydrate and metal monoatom/graphene composite material into closed container for heat treatment, centrifuging and washing; and mixing sublimated sulfur with composite graphene-based material doped with nitrogen and oxygen, and heating. USE - The method is used for preparing metal monoatom-loaded double-doped pore controllable metal organic framework-derived graphene/sulfur composite material. DETAILED DESCRIPTION - Preparation of metal monoatom-loaded double-doped pore controllable metal organic framework (MOF)-derived graphene/sulfur composite material comprises dispersing emulsifier-surfactant into ethanol solution, adding metal salt, stirring and dispersing to obtain first clear reaction solution; dispersing ligand into ethanol solution, stirring and dispersing to form clear reaction solution; adding second reaction solution to first reaction solution, mixing, settling at room temperature, using anhydrous ethanol to centrifuge and drying to obtain MOF precursor; pre-calcining in inert atmosphere, soaking in activator solution, heating and stirring to remove solvent, drying, placing in tube furnace, heat treating in inert atmosphere for 10-30 minutes, cooling to room temperature, carrying out acidic soaking, and centrifuging to obtain metal monoatom/graphene composite material with controllable pores; putting hydrazine hydrate and metal monoatom/graphene composite material with controllable pores into closed container for heat treatment, centrifuging and washing to obtain composite graphene-based material doped with nitrogen and oxygen; and mixing sublimated sulfur with composite graphene-based material doped with nitrogen and oxygen in protective atmosphere, and heating to melting temperature for 6-24 hours at 200-300 degrees C to continue heat preservation for 0.5-3 hours.