High-voltage-resistant heat-conducting adhesive film and preparation method thereof

The invention discloses a high-voltage-resistant heat-conducting adhesive film and a preparation method thereof, and belongs to the technical field of heat-conducting adhesives, the high-voltage-resistant heat-conducting adhesive film comprises a first base material layer, a heat-conducting layer covering the first base material layer, a conductive layer covering the heat-conducting layer and a second base material layer covering the heat-conducting layer, a composition for preparing the heat conduction layer comprises nano metal oxide powder, a carbon-containing conductive agent and an organic solvent, the mass ratio of the nano metal oxide powder to the carbon-containing conductive agent is 5: (3-5), and a product prepared according to the formula system has high heat conductivity and electrical conductivity, can bear high voltage, and can be used for manufacturing a high-voltage power battery. The high-voltage-resistant adhesive has high high-voltage-resistant capability, can solve the problem of heat cond