▎ 摘　　要

NOVELTY - Preparing secondary enhanced graphene gas gel comprises (i) preparing graphene gas gel and introducing a substrate layer on the graphene gas gel surface, where the substrate layer is capable of triggering chemical vapor deposition reaction; and (ii) performing chemical vapor deposition reaction on the graphene gas gel with substrate layer on the surface and growing sheet layer or spherical graphene aggregate on the surface of the substrate layer to obtain a secondary reinforced graphene gas gel. USE - The method is useful for preparing secondary enhanced graphene gas gel is useful in shoes, electronic and automobile (all claimed). ADVANTAGE - The method can improve the mechanical performance and/or electrical conductivity and other performances of the graphene gas gel. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for secondary enhanced graphene gas gel, prepared as mentioned above, comprises graphene gas gel has a substrate layer on which sheets and/or spherical graphene aggregates are deposited, preferably the secondary enhanced graphene gas gel is a porous structure has a scanning electron micrograph as shown, preferably the compressive modulus of the secondary enhanced graphene gas gel is (15±0.5)-(30±0.5) Kpa, and the compressive modulus of the preferred described secondary enhanced graphene gas gel is (19±0.5)0.5)-(30±0.5)Kpa, preferably the conductivity of the secondary enhanced graphene gas gel is (396±20)-(685±20) S/m, preferably (500±20)-(685±20) S/m.