▎ 摘　　要

NOVELTY - Graphene heating module comprises protective layer (1), intermediate graphene heating layer (2) and a substrate (3) from top to bottom, the substrate is a polysiloxane substrate, and the intermediate graphene heating layer includes graphene coating and copper strip, the copper strip is fixed on both ends of graphene coating, conductive component formed by welding the copper strip and the graphene coating. USE - The graphene heating module is useful in flexible wearable field, used in flexible electronic devices and acid-base environments. ADVANTAGE - The graphene heating module: has excellent corrosion resistance, bending resistance, good sealing performance, waterproof performance, and tensile strength; can be folded frequently for use; and is prepared by integrated packaging method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the graphene heating module comprising (i) mixing polysiloxane and a curing agent to form a glue solution, then forming a film on a smooth initial substrate, and vacuum curing to prepare a polysiloxane substrate; (ii) dispersing graphene and carbon nanotubes in organic solvent, then adding a binder to obtain the slurry of graphene coating; (iii) applying the slurry of the graphene coating obtained in the step (ii) on the polysiloxane substrate obtained in the above step (i); placing the copper strips on both sides of the slurry, welding a connection between the copper strips and the slurry, and vacuum drying to obtain the conductive component of graphene coating; and (iv) dropwise adding a glue solution obtained in step (i) to the graphene coating until the glue solution covers the entire surface of the polysiloxane substrate, curing to form protective layer, and finally drying to obtain a graphene heating module. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic cross-sectional view of a graphene heating module. Protective layer (1) Intermediate graphene heating layer (2) Substrate (3)