▎ 摘　　要

NOVELTY - Cobalt and aluminum molybdenum disulfide doped reduced graphene oxide aerogel comprises cobalt-aluminum-doped molybdenum disulfide powder and graphene oxide dispersion liquid as raw materials, the mass ratio of graphene oxide and cobalt-aluminum-doped molybdenum disulfide powder is (30:70) to (70:30), prepared by hydrothermal process; cobalt-aluminum-doped molybdenum disulfide powder is prepared by mechanical alloying process with aluminum powder, cobalt powder and molybdenum disulfide powder as raw materials, phase of molybdenum disulfide is 1T phase; in the cobalt-aluminum-doped molybdenum disulfide powder, doping amount of aluminum is 1-5 wt.%, and doping amount of cobalt is 1-20 wt.%. USE - The aerogel is useful for electrochemically extracting uranium from seawater. ADVANTAGE - The aerogel: is material with high hydrogen evolution performance and specific adsorption capacity for uranyl ions, by applying electrochemical methods to seawater to extract uranium, a higher seawater uranium extraction capacity is achieved, and shows excellent uranium extraction performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: Preparing the cobalt and aluminum molybdenum disulfide doped reduced graphene oxide aerogel comprising mixing cobalt-aluminum-doped molybdenum disulfide powder with graphene oxide dispersion, carrying ultrasonic treatment, placing in a reaction kettle, carrying hydrothermal reaction, after the reaction, cooling to room temperature, and freeze-drying. Electrochemically extracting uranium from seawater comprising filtering the uranium-containing seawater, adding it to the electrolytic cell, placing a three-electrode system, and electrolyzing at a voltage of -0.6V to -1.6V for 0.2-2 hours; where, silver/silver chloride electrode as the reference electrode, carbon rod as the counter electrode, and cobalt and aluminum molybdenum disulfide doped reduced graphene oxide aerogel as working electrode.