▎ 摘　　要

NOVELTY - Preparing selenide and graphene compound wave-absorbing material comprises (i) using hydrothermal method combined with heat treatment to prepare the compound material of the graphene, and (ii) using the above material as the wave absorbing agent and mixing with the binder. USE - The method is useful for preparing selenide and graphene compound wave-absorbing material. ADVANTAGE - The method is simple and economical, and ensures the wave-absorbing material has light weight, thin thickness, wide frequency band and excellent electromagnetic wave absorbing performance.