▎ 摘　　要

NOVELTY - An electromagnetic shielding composite material comprises fabric substrate, graphene aerogel and water-based polyurethane. The water-based polyurethane is filled in the pores of the graphene aerogel and at the interface between the fabric substrate and the graphene aerogel. USE - The electromagnetic shielding composite material. ADVANTAGE - The electromagnetic shielding composite material has porous conductive network structure, which is good for avoiding carbon material agglomeration, uniformly dispersing, so as to reduce the dosage of the conductive carbon material, improves the utilization rate of the carbon material, and improves the material combination of the electromagnetic shielding composite material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of electromagnetic shielding composite material comprising mixing graphene oxide solution with the reducing agent, sequentially heating and dialyzing to obtain graphene aerogel, coating onto fabric substrate surface, sequentially freezing and vacuum freeze-drying, obtaining graphene aerogel composite, coating with water-based polyurethane, and drying.