High-temperature-resistant water-based graphene electric heating coating

The invention discloses a high-temperature-resistant water-based graphene electric heating coating, and belongs to the technical field of electric heating materials. The high-temperature-resistant water-based graphene electric heating coating comprises graphene powder, an adhesive, an additive, an adhesion-promoting dispersing agent and a solvent, the graphene powder is single-layer or few-layer graphene prepared by stripping through a supercritical CO2 jet cavitation method, the additive is any one or more of graphite, carbon fibers or carbon nanotubes, and the adhesion-promoting dispersing agent is one or more of graphene, carbon fibers or carbon nanotubes. The adhesion promoting dispersant is polyvinylpyrrolidone K30, the solvent is pure water, and the adhesive is aluminum dihydrogen phosphate. The high-temperature-resistant water-based graphene electric heating coating provided by the invention is green and environment-friendly, the preparation process is simple, the conductivity is good, the processing c