▎ 摘　　要

NOVELTY - Porous graphene-silicon alloy-based electromagnetic shielding material comprises graphene is porous graphene, and further includes nano-sized alloy silicon filled in pores of porous graphene and adhered to the porous material, the silicon alloy is composed of 78-79 wt.% silicon, 8-11 wt.% silver and manganese (balance). USE - Used as porous graphene-silicon alloy-based electromagnetic shielding material. ADVANTAGE - The material has good effect of electromagnetic shielding frequency range. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing porous graphene-silicon alloy-based electromagnetic shielding material comprising mixed solvent system of porous graphene and nano silicon alloy, dispersing to ethanol-glycol-water for stirring and ultrasonic dispersion, then drying to obtain the product; #pesticide combination comprising porous graphene-silicon alloy-based electromagnetic shielding material and coating, the coating contains 5-10 wt.%.