Low-potential conductive coating and preparation method thereof

The invention discloses a low-potential conductive coating and a preparation method thereof, and belongs to the technical field of conductive coatings. The low-potential conductive coating is prepared by mixing a component A and a component B in a mass ratio of 3: 1-9: 5. The component A mainly comprises the following components: 100 parts of epoxy resin, 10-30 parts of light conductive filler, 20-40 parts of low-potential metal powder, 1-3 parts of a toughening agent, 50-100 parts of a solvent, 2-5 parts of a thickening agent, 0.1-1 part of a defoaming agent and 0.1-1 part of a dispersing agent. The component B mainly comprises the following components in parts by weight: 20-50 parts of an amine curing agent and 40-100 parts of a solvent. The low-potential metal powder and the light conductive filler are blended according to a certain proportion, the low-potential metal powder is gathered at the bottom of the coating and makes contact with the metal base material, the potential is reduced, corrosion is slowe