▎ 摘　　要

NOVELTY - A second generation high temperature superconducting belt material comprises a superconducting belt material main body, and a protective layer set on at least one side of the superconducting belt material main body. The protective layer is a copper-graphene composite film, and the mass fraction of the graphene in the protective layer is 0.1-1%. USE - Used as second generation high temperature superconducting belt material. ADVANTAGE - The second generation high temperature superconducting strip has high-strength high-conductivity protective layer. The tensile strength is improved by 30-70% than the conventional copper-plated superconducting strip tensile strength, conductivity attenuation is less than 10% IACS, and critical current is not attenuated. DESCRIPTION OF DRAWING(S) - The drawing is a schematic diagram illustrating a second generation high temperature superconducting belt material (Drawing includes non-English language text).