▎ 摘　　要

NOVELTY - Preparation method of nano-silver/graphene composite electromagnetic shielding ink, involves mixing the nano-silver, graphene, and polyvinyl acetate (PVAc) in a solvent, and then evaporating the solvent to obtain a nano-silver/graphene composite electromagnetic shielding ink. USE - The method is used for preparation of nano-silver/graphene composite electromagnetic shielding ink (claimed). ADVANTAGE - The shielding ink has excellent electromagnetic shielding effectiveness as compared with traditional electromagnetic shielding materials, and is flexibly coated, flexible, convenient and lightweight. The method does not require on the shape and material of the printed object, has wide applicability, and the ink's shielding effect can be changed by changing the thickness of the ink layer. The thickness and dosage of the ink are determined based on required electromagnetic shielding standards, and the method produces ink with ideal shielding effect under the condition of controlling the cost to the greatest extent.