The invention discloses a
molybdenum disulfide-three-dimensional
graphene composite material. The
molybdenum disulfide-three-dimensional
graphene composite material is prepared through the method thatgraphene
oxide and L-
cysteine are utilized to prepare three-dimensional
graphene aerogel,
molybdenum salt,
sulfur powder and the three-dimensional graphene
aerogel are placed in a
microwave reactioncavity after being ground and are heated for 10-60min at the
microwave power of 300-1,000W, and then the
molybdenum disulfide-three-dimensional graphene
composite material is obtained. According to the material, under the
microwave heating condition, graphene
oxide is thermally reduced into graphene, and meanwhile generated MoS<2> directly grows in situ on the surface of the graphene; microwave heating is high in speed and uniform, so that an MoS<2>
nanosheet and the graphene are firmly combined, particle accumulation cannot be easily caused,
material synthesis time is greatly shortened, and the problem that the graphene and MoS<2> aggregate under a long-term heating condition is relieved; compared with a two-dimensional structure, the graphene of the three-dimensional structure is not prone to stacking and aggregation in the
compositing process, so that play of excellent properties of the graphene is better guaranteed; and being a
lithium-
ion battery
cathode material, the composite material shows good circulation stability and rate capability.