▎ 摘　　要

NOVELTY - Composite adhesive comprises an adhesive main body, a graphene sheet and a solvent. The sheet layer of the graphene sheet is located between the particles of the adhesive body. The viscosity range of the composite adhesive is 5000-15000 Pa.s. The solvent comprises deionized water, ethanol and/or N-methylpyrrolidone. USE - Composite adhesive for use in electrode sheet, battery and electronic device (all claimed). ADVANTAGE - The composite adhesive has excellent heat conducting and conductive performance, and reduces the impedance of the adhesive, and improves the heat conductivity and conductivity of adhesive. The method is simple, and is good for industrial production of composite adhesive, by mixing the graphene and solvent, obtaining graphene dispersion liquid, the graphene dispensing liquid and the mixture of the adhesive main body for dispersing treatment to obtain the composite adhesive. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) a preparation method of the composite adhesive, which involves: (a) mixing graphene with a solvent to obtain a graphene dispersion; (b) mixing the graphene dispersion with the adhesive body, and dispersing the mixture of the graphene dispersion and the adhesive body to prepare a composite adhesive; (2) an electrode sheet, which comprises a current collector and a coating formed on the surface of the current collector, the coating comprises the composite adhesive, an active material and a conductive agent; (3) a battery, which comprises the electrode sheet; (4) an electronic device, which comprises the battery.