▎ 摘　　要

NOVELTY - Gradient structure with low reflection and high shielding electromagnetic shielding composite material, comprises graphene-supported ferroferric oxide nanoparticles, tetragonal needle-shaped zinc oxide whisker nanoparticles loaded with silver, and a matrix, one-time blending and casting is used to realize integral molding, during the molding process, the graphene-supported ferroferric oxide nanoparticles and the tetragonal needle-shaped zinc oxide whisker nanoparticles are loaded with silver and settle naturally in the matrix, the tetragonal acicular zinc oxide whisker nanoparticle-loaded silver is concentrated on the lower part of the electromagnetic shielding composite material, and the graphene-loaded ferroferric oxide nano-particles are concentrated on the upper part of the tetragonal acicular zinc oxide whisker nanoparticle to form a gradient structure, electromagnetic shielding composite. USE - Used as gradient structure with low reflection and high shielding electromagnetic shielding composite material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the gradient structure with low reflection and high shielding electromagnetic shielding composite material, comprising providing the grapheme-loaded ferroferric oxide nano-particles tetragonal of tetrapod-shaped zinc oxide crystal whisker nano-particles loaded with silver base blending, ultrasonically dispersing, pouring into a mold, drying and molding in a vacuum oven, grapheme-loaded ferroferric oxide nanometre particles in the process of forming tetragonal of tetrapod-shaped zinc oxide crystal whisker nano-particles loaded silver naturally settling in the base body, the tetragonal of the tetrapod-like zinc oxide whisker nano- particle loaded silver concentration at the lower part of the electromagnetic shielding composite material of grapheme-loaded ferroferric oxide nano particle set at tetragonal of tetrapod-shaped zinc oxide crystal whisker nano-particle to form the electromagnetic shielding composite material with gradient structure.