▎ 摘　　要

NOVELTY - A three-dimensional macroporous graphene-carbon nanotube-molybdenum disulfide composite material has a pore size of 0.1-5 mm, and is prepared by providing macroporous graphene/foam metal compound into aqueous solution comprising nickel nitrate and cobalt chloride, drying, immersing obtained three-dimensional macroporous graphene/carbon nanotube/metal composite foam in etching liquid, loading molybdenum disulfide into obtained three-dimensional macroporous graphene/carbon nanotube by hydrothermal process and annealing. USE - Three-dimensional macroporous graphene-carbon nanotube-molybdenum disulfide composite material used as cathode active material (claimed) for lithium ion battery. ADVANTAGE - The three-dimensional macroporous graphene-carbon nanotube-molybdenum disulfide composite material provides lithium ion battery having excellent stability and cycle characteristics. DETAILED DESCRIPTION - A three-dimensional macroporous graphene-carbon nanotube-molybdenum disulfide composite material is prepared by providing macroporous graphene/foam metal into aqueous solution comprising nickel nitrate and cobalt chloride, performing chemical vapor deposition, drying, immersing obtained three-dimensional macroporous graphene/carbon nanotube/metal composite foam in etching liquid, loading molybdenum disulfide into obtained three-dimensional macroporous graphene/carbon nanotube by hydrothermal process and annealing. The foam metal is chosen from nickel foam, copper foam, nickel-aluminum alloy foam or nickel-chromium alloy foam, and has a pore size of 0.1-5 mm. The volume ratio of cobalt chloride and nickel nitrate is 1 g:(45-55) mL. The volume ratio of nickel nitrate and cobalt chloride, and deionized water is 1 g:(55-65) mL. The etching liquid is 1-3 mol/L iron(III) chloride in concentrated nitric acid. The concentration of nitric acid is 0.5-1.5 mol/L. An INDEPENDENT CLAIM is included for preparation of three-dimensional macroporous graphene-carbon nanotube-molybdenum disulfide composite material.