▎ 摘　　要

NOVELTY - Three-dimensional bouquet-like structure nanomaterial compounded with zinc sulfide on graphene oxide comprises graphene oxide sphere with three-dimensional bouquet-like structure, two-dimensional graphene oxide sheet located on sphere and zinc sulfide nanoparticle is deposited on the surface of the two-dimensional graphene oxide sheet. The three-dimensional bouquet-like structure nanomaterial of zinc sulfide compounded on graphene oxide is prepared by uniformly dispersed by ultrasonic dispersion after adding graphene oxide. USE - Three-dimensional bouquet-like structure nanomaterial compounded with zinc sulfide on graphene oxide used for preparing lithium ion battery and photocatalyst (all claimed). ADVANTAGE - The zinc sulfide composite graphene oxide material obtained by takes PNxDy as a template and not only improve the specific capacity of zinc sulfide as a battery material and the material has stable cycle performance, less loss, and excellent photocatalytic performance. DETAILED DESCRIPTION - Three-dimensional bouquet-like structure nanomaterial compounded with zinc sulfide on graphene oxide comprises graphene oxide sphere with three-dimensional bouquet-like structure, two-dimensional graphene oxide sheet located on sphere and zinc sulfide nanoparticle is deposited on the surface of the two-dimensional graphene oxide sheet. The three-dimensional bouquet-like structure nanomaterial of zinc sulfide compounded on graphene oxide is prepared by uniformly dispersed by ultrasonic dispersion after adding graphene oxide and a soluble salt containing cation zinc ion (Zn2+) to an aqueous solution of temperature-sensitive material PN80D4, adding the soluble salt containing anion S2-, mixing well, reacting hydrothermally mixed solution at a temperature of 120-160degrees Celsius to obtain a precipitate, removing the obtained precipitate from the temperature-sensitive material PN80D4 by washing and centrifugation, where graphene oxide and soluble salt containing cation zinc ion (Zn2+) are mixed at 100 mg:2-6mmol, and the mixing ratio of soluble salt containing cation zinc ion (Zn2+) and soluble salt containing anion S2- is 1:2. The temperature-sensitive material PN80D4 is poly-N-isopropylacrylamide-co-N,N-dimethylacrylamide, 80 represents the degree of polymerization of N-isopropylacrylamide, and 4 represents the degree of polymerization of N,N-dimethylacrylamide. INDEPENDENT CLAIMS are included for: (1)a method for preparing lithium ion battery, which involves: (a) compounding graphene oxide with zinc sulfide three-dimensional bouquet-like structure nanomaterial, (b)grinding, sieving, mixing with Super-P-Li and polyvinylidene fluoride in a mass ratio of 8:1:1, (c)adding N-methylpyrrolidone, stirring in a disc turbine stirrer until it becomes viscous, (d)pouring the slurry on the copper foil of the current collector for coating, (e)placing in a vacuum drying oven at 60degrees Celsius for 24 hours, (f)slicing to making lithium-ion battery electrodes, (g)assembling, (h)sealing in a glove box filled with argon to making button-type lithium-ion battery, (i)measuring the cyclic voltammetry curve of the lithium ion battery under the conditions of a voltage range of 0.05-3 volt and a current density of 100 milliampere/g, the battery cycle efficiency is not less than 90%, the specific capacity after 50 cycle is 802 milliampere-hour/g, and the charge-discharge specific capacity curves coincide;(2) a method for preparing a three-dimensional bouquet-like structure nanomaterial compounded with zinc sulfide on graphene oxide, which involves: (a)preparing temperature-sensitive material PNxDy by the free radical polymerization method or the controlled fragmentation chain transfer polymerization method, where the temperature-sensitive material PNxDy is poly-N-isopropylacrylamide-co-N, N-dimethylacrylamide, x=degree of polymerization of N-isopropylacrylamide, x=80, and y=degree of polymerization of N,N-dimethylacrylamide, y=4, (b) using PN80D4 as a template to dissolving in deionized water to obtain a hydrogel, (c)adding graphene oxide material and soluble salt containing cation zinc ion (Zn2+), (d)dispersing ultrasonically, (e)adding the soluble salt containing anion S2-, mixing well, where the graphene oxide and soluble salt containing cation Zn2+ are mixed at 100 mg:2-6 mmol, the mixing ratio of the soluble salt containing the cation Zn2+ and the soluble salt containing the anion S2- is 1:2, (f)reacting hydrothermally mixed solution to obtain a precipitate at a temperature of 120-160degrees Celsius, (g)rinsing with deionized water, (h)washing with absolute ethanol, centrifuging, repeating the above operation multiple time, (i) removing temperature-sensitive material PN80D4, (j)drying to obtain a three-dimensional bouquet-like structure nanomaterial with zinc sulfide compounded on graphene oxide.