▎ 摘　　要

NOVELTY - Graphene foam material, is claimed. The graphene foam material is uniformly distributed with convex bubble in two-dimensional plane of graphene. USE - Used as a graphene foam material. ADVANTAGE - The graphene foam material is simple and economical to prepare, and suitable for large scale production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing graphene foam material, comprising dispersing graphene oxide in oxalic acid (weight ratio of oxalic acid and graphene oxide is 0.01-1:100), then drying the resultant mixture, heating to 200 degrees C for 5-30 minutes under a protective gas atmosphere, continuing to heat to 400-1000 degrees C for 0.5-5 hours, carrying out reduction using hydrazine hydrate or hydroiodic acid as reducing agent and steam at 100-200 degrees C for 1-2 hours.