▎ 摘　　要

NOVELTY - Heat dissipation sheet comprises a graphene oxide particle layers formed by first graphene oxide particles having an average diameter of a first size and second graphene oxide particles having an average diameter of a second size, and having a fine wrinkle structure in which the thickness of the pores between the graphene oxide particle layers is less than 2 μ m. USE - Heat dissipation sheet. ADVANTAGE - The sheet has superior heat dissipation performance and durability than the conventional heat dissipation sheet using graphite, excellent elongation, and improves mechanical properties, and the sheet production process can be streamlined. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for manufacturing the sheet, involving preparing a dispersion using a graphene oxide aqueous dispersion solution by mixing first graphene oxide particles having an average diameter of a first size and second graphene oxide particles having an average diameter of a second size in a specified weight ratio, forming an initial film by applying or coating the dispersion on a substrate, performing annealing on the initial film, and compressing the initial film on which the annealing has been performed to produce the sheet.