▎ 摘　　要

NOVELTY - A composite material has molybdenum disulfide supported on sulfur- nitrogen-doped graphene nanosheets. USE - Composite material for use in lithium ion batteries (claimed), super capacitors, hydrogen evolution and the field of photocatalytic nano-devices. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing composite material, which involves dissolving tetrathiomolybdate, ammonium molybdate, graphene oxide and thiourea in dimethylformamide, uniformly mixing to obtain a mixed solution, drying the mixed solution and sintering in a protective atmosphere, where the mass ratio of tetrathiomolybdate, ammonium molybdate, graphene oxide and thiourea is 500:15:10:1000.