▎ 摘　　要

NOVELTY - The preparation of sulfur-doped molybdenum selenide/graphene-graphene nanoribbon aerogel involves freeze-drying mixed dispersion of graphene oxide and graphene oxide nanoribbon, calcining to obtain graphene-graphene nanoribbon hybrid aerogel, dispersing selenium powder in hydrazine hydrate, mixing obtained dispersion liquid with aqueous solution of sodium molybdate to obtain mixed solution, immersing hybrid aerogel in mixed solution, adding N,N-dimethylformamide solvent, carrying out solvothermal reaction to obtain nano ribbon aerogel composite material, and calcining. USE - Preparation of sulfur-doped molybdenum selenide/graphene-graphene nanoribbon aerogel used as high-performance electrocatalytic material or high-performance electrode material for lithium-ion battery and supercapacitor (claimed). ADVANTAGE - The method enables preparation of sulfur-doped molybdenum selenide/graphene-graphene nanoribbon aerogel with high structural stability, large specific surface area and adjustable aperture. DETAILED DESCRIPTION - - The preparation of sulfur-doped molybdenum selenide/graphene-graphene nanoribbon aerogel involves freeze-drying mixed dispersion of graphene oxide and graphene oxide nanoribbon, calcining to obtain graphene-graphene nanoribbon hybrid aerogel, dispersing selenium powder in hydrazine hydrate, mixing obtained selenium powder dispersion liquid with aqueous solution of sodium molybdate to obtain mixed solution, immersing graphene-graphene nanoribbon hybrid aerogel in mixed solution, adding N,N-dimethylformamide solvent, carrying out solvothermal reaction to obtain molybdenum selenide/graphene-graphene nano ribbon aerogel composite material, and calcining molybdenum selenide/graphene-graphene nanoribbon aerogel composite with sulfur powder. An INDEPENDENT CLAIM is included for usage of sulfur-doped molybdenum selenide/graphene-graphene nanoribbon aerogel as high-performance electrocatalytic material or high-performance electrode material for lithium-ion battery and supercapacitor.