▎ 摘 要
NOVELTY - An electromagnetic wave shielding material comprises a polymer dispersed with composite nanopowder, which contains graphene and metal oxide reduced based on crystal structure of graphene. USE - Electromagnetic wave shielding material used for smart phone, smart watch and aircraft. ADVANTAGE - The electromagnetic wave shielding material has excellent shielding ability at wide range of frequency, and mechanical strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of electromagnetic wave shielding material.