▎ 摘　　要

NOVELTY - A multi-edge molybdenum disulfide nanosheets/graphene nano-composite material comprises graphene and multi-edge molybdenum disulfide nanosheets at a ratio of 1:1-1:4. USE - Multi-edge molybdenum disulfide nanosheets/graphene nano-composite material. ADVANTAGE - The composite material has wide application effect, and is simple, convenient and easy to prepare. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a multi-edge molybdenum disulfide nanosheets/graphene nano-composite material, which involves dispersing graphene oxide in deionized water ultrasonically, followed by adding 5-25 ml/l ionic liquid comprising 1-butyl-3-methylimidazolium tetrafluoroborate, adding L- cysteine and sodium at a ratio of 5:1 to obtain mixed solution, transferring the mixed solution to a hydrothermal reaction kettle, adjusting volume to 80% by adding deionized water to carry out hydrothermal reaction, placing the resultant solution in a thermostatic oven to perform hydrothermal reaction at 240 degrees C for 24 hours, naturally cooling, and centrifuging to obtain solid product, rinsing the solid product in hot water, washing and drying at 100 degrees C under vacuum, performing hydrothermal treatment on the solid product in a nitrogen/hydrogen mixed atmosphere at 500 degrees C for 2 hours, 10% hydrogen mixed gas, and preparing multi-edge molybdenum disulfide nanosheets/ graphene composite nanomaterial.