382 results about "Ferrocene" patented technology

The invention provides a novel chiral ferrocene bridged binaphthyl skeleton phosphine ligand and application thereof. The ligand has the advantages of low cost, simplicity in synthesis, air stability and the like. The ligands have good catalytic activity and enantioselectivity in the asymmetric hydrogenation reaction of ketone, and have certain industrial application prospects in the synthesis of pharmaceutical molecules.

The invention provides a strong smoke suppression flame retardant PVC wood-plastic material and a preparation method thereof, and relates to the technical field of wood-plastic composites, the PVC wood-plastic material comprises the following components by weight: 70-100 parts of PVC resin, 20-30 parts of wood flour, 20-30 parts of calcium carbonate, 15-20 parts of a smoke suppression material, 10-15 parts of a flame retardant, 1-6 parts of a foaming agent, 5-10 parts of a stabilizer, 1-2 parts of a coupling agent, 5-10 parts of a processing aid, and 1-4 parts of a lubricant; wherein the smoke suppression material comprises a molybdenum compound, ferrocene and oxalate dihydrate in a mass ratio of 1: (0.5-1.5): (5-10); the preparation method comprises the steps of wood powder end-capping modification and PVC wood-plastic material preparation. The PVC wood-plastic material prepared by the invention has excellent flame retardant property and smoke suppression property.

The invention discloses a gel dry water fire extinguishing agent with high stability and high water-retaining property and a preparation method of the gel dry water fire extinguishing agent. The gel dry water fire extinguishing agent is of a composite structure formed by combining hydrophobic nano silicon dioxide and ferrocene to form an inert shell, combining an anion and nonionic compound solution and a liquid core gel system cross-linking solution to form a gel dry water liquid core, and wrapping the gel dry water liquid core by the inert shell. The preparation method comprises the following steps: S1, preparing an anionic and nonionic compound solution; s2, preparing a liquid core gel system cross-linking solution; s3, mixing and stirring the anionic and nonionic compound solution and the liquid core gel system cross-linking solution to obtain a gel dry water liquid core stock solution; and S4, hydrophobic nano silicon dioxide, ferrocene and the gel dry water liquid core stock solution are mixed and stirred at a high speed through a precise high-speed dispersion machine, tiny liquid drops of the gel dry water liquid core stock solution are evenly wrapped by the hydrophobic nano silicon dioxide and the ferrocene, and finally the gel dry water fire extinguishing agent is formed.

The invention discloses a preparation method and application of single-walled carbon nanotube conductive paste. The equipment is transformed to realize gasification of ferrocene in a preheating zone (200 DEG C), the ferrocene enters a high-temperature reaction zone (900-1050 DEG C) along with inert gas, a saturated hydrocarbon carbon source and reducing gas at the same time, high-purity single-walled carbon nanotubes are synthesized, impurity metals are removed through acid pickling, and the high-purity single-walled carbon nanotubes are obtained. When the prepared single-walled carbon nanotube conductive paste is applied to a lithium iron phosphate positive electrode, a continuous and stable conductive network can be formed, the rate capability is improved, the internal resistance is reduced, and the conductivity of lithium iron phosphate is greatly improved.

The working electrode is characterized in that the working electrode is obtained by dispensing ferroferric oxide and lauric acid on the surface of a glassy carbon electrode. A working electrode for detecting the micro-plastic is a working electrode, an Ag / AgCl electrode is a reference electrode, and platinum is an auxiliary electrode; preparing a series of concentrations of micro-plastic standard sample solutions, preparing a ferrocene solution and an electrolyte, firstly putting a working electrode, a reference electrode and an auxiliary electrode into the standard sample solutions, incubating to reach adsorption equilibrium, then taking out the three electrodes, putting the three electrodes into the ferrocene solution, and incubating; and finally, taking out the three-electrode system, putting the three-electrode system into electrolyte, and carrying out DPV detection. A simple and low-cost electrochemical sensing detection method is established by utilizing the reaction of the micro-plastic reinforced ferrocene signal molecules. The method is rapid, simple and low in cost, and can effectively detect the micro-plastics in a wide range and maintain good sensitivity.

The invention belongs to the technical field of asymmetric catalysis, and discloses a chiral phosphine nitrogen-nitrogen tridentate ligand based on a ferrocene skeleton as well as a preparation method and application of the chiral phosphine nitrogen-nitrogen tridentate ligand. The structural formula of the ligand is shown as (I) or an enantiomer (II) of the ligand. The preparation method comprises the steps of acylation reaction, oxazoline ring construction, aldehyde group introduction, reductive amination and the like, and application in asymmetric hydrogenation reaction, such as asymmetric hydrogenation of aryl ketone. The ligand has a plurality of chiral factors, simultaneously has a potential hydrogen bond donor, forms secondary interaction with a substrate in an asymmetric catalytic reaction, can further stabilize a reaction transition state, is an efficient novel chiral P, N, N-ligand, has the advantages of high reaction activity, good stereoselectivity, wide substrate range and the like, and has a wide application prospect. # imgabs0 #

The present invention relates to the technical field of clean fuels, and in particular to an ether-based clean fuel for vehicles and a preparation method thereof, comprising the following raw materials in parts by weight: 35-45 parts of methyl tert-butyl ether, 15-20 parts of isobutanol, 10-15 parts of methanol, 4-7 parts of flaky graphene agents based on doping cerium / yttrium, 2-4 parts of dimethyl ether, 1-3 parts of ferrocene, and 3-6 parts of regulating modifiers. The clean fuel of the present invention adopts methyl tert-butyl ether to match isobutanol, methanol, dimethyl ether and ferrocene raw materials, and the flaky graphene agent based on doping cerium / yttrium and the regulating modifier are added to coordinate and synergize, so that the combustion performance of the product is excellent, and the corrosion performance and water resistance of the product are remarkable, the product performance balance and coordination are improved, and the product has a remarkable product performance stability effect in a low temperature environment.

The invention relates to the technical field of organic synthesis, in particular to 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine as well as a synthesis method and application of the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine. The synthesis method comprises the following steps: (1) synthesizing 2-chloro-3-fluoro-4-iodine-5-methylpyridine from 2-chloro-3-fluoro-5-methylpyridine and an iodine elementary substance to obtain 2-chloro-3-fluoro-4-iodine-5-methylpyridine; (2) synthesizing 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine, the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride, the tripotassium phosphate and the (2-formyl phenyl) boric acid, and further synthesizing the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine and the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride. And (3) synthesizing the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine by using the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde and sodium tert-butoxide. The 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine compound constructed by the invention can be used for detecting the content of pesticide residue glyphosate.

The invention discloses a ferrous sulfide-barium titanate wave-absorbing material and a preparation method thereof, and belongs to the technical field of novel wave-absorbing materials.The wave-absorbing material is prepared through a two-step hydrothermal method, firstly, thiourea and ferrocene are mixed through the hydrothermal method to prepare ferrous sulfide, and then the ferrous sulfide and the ferrocene are mixed through a hydrothermal method to prepare the ferrous sulfide-barium titanate wave-absorbing material. Barium chloride, butyl titanate and the prepared ferrous sulfide are subjected to a reaction through a hydrothermal method, a ferrous sulfide-barium titanate composite material is obtained, and the wave absorbing performance of the composite material is adjusted by adjusting the content of barium titanate in the composite material. The ferrous sulfide-barium titanate composite wave-absorbing material prepared by the method has the advantages of lower density, wider effective absorption frequency band, higher electromagnetic wave absorption performance, simple preparation method, capability of regulating and controlling the morphology of the composite material and the like.

The invention discloses an algae-based iron-carbon catalyst as well as a preparation method and application thereof, and relates to the technical field of new material research and development and sewage treatment. The preparation method comprises the following steps: mixing ferrocene, diatomite and a solvent to obtain a mixed solution; adding a hydrogen peroxide solution into the mixed solution, and then heating for reaction to obtain an intermediate; and roasting the intermediate to obtain the algae-based iron-carbon catalyst. According to the invention, ferrocene and diatomite are used as raw materials, and the high-performance algae-based iron-carbon catalyst is prepared through simple solvothermal reaction and roasting treatment. The obtained algae-based iron-carbon catalyst is stable in structure, high in activity and wide in applicable pH range in a persulfate oxidation system, and can be used for activating persulfate to degrade antibiotic pollutants in water.

The invention relates to a chiral ferrocene skeleton diphosphine ligand and an application thereof in a catalyst, and the disclosed ligand is a novel ferrocene skeleton diphosphine ligand, and the ligand has the advantages of low cost, simple synthesis, good stability and the like. The metal complex of the ligand shows very excellent catalytic activity in CN coupling reaction, can efficiently catalyze coupling of building blocks such as halogenated hydrocarbon and sulfonate with ammonia, amine or hydrazine compounds, and has important industrial application value.

The invention discloses a preparation method and application of a metal modified amino porphyrin COF material based on ferrocene dicarboxaldehyde, and the preparation method comprises the following steps: (1) adding ferrocene dicarboxaldehyde and 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin into an organic solution, and carrying out ultrasonic mixing; (2) adding a catalyst into the dispersion liquid, ultrasonically mixing uniformly, and carrying out multiple freezing degassing circulation treatment; (3) after the treatment in the step (2), carrying out heat preservation reaction, cooling to room temperature, carrying out centrifugal separation on turbid liquid, washing the precipitate, then soaking the precipitate by using an organic solvent, and centrifugally collecting a precipitate product; and (4) drying the precipitation product, and collecting to obtain a black powder sample COF material. The COF material prepared by the invention has excellent electro-catalytic performance and stability, and has a good application prospect in metal-air batteries.

The invention relates to a power-on adhesive tape capable of losing adhesion and a preparation process thereof. The power-on adhesive tape comprises a base film, a conductive layer and an adhesive layer, the adhesive layer is prepared from the following raw materials in parts by mass: 40 to 50 parts of acrylate copolymer, 3 to 5 parts of terpene resin, 0.2 to 0.5 part of initiator, 20 to 30 parts of solvent, 3 to 5 parts of pyridine modified reduced graphene oxide, 8 to 10 parts of hydroxypropyl-beta-cyclodextrin, 2.0 to 2.4 parts of 1-(2-aminoethyl) ferrocene and 4 to 5 parts of polyethylene glycol diacrylate. The component A is prepared from the following components in parts by weight: 0.5 to 0.8 part of polyoxyethylene-polyoxypropylene-polyoxyethylene triblock copolymer, 0.2 to 0.5 part of benzotriazole antioxidant and 1 to 2 parts of polycarbodiimide; the raw materials of the acrylate copolymer comprise a soft monomer and a hard monomer in a mass ratio of (2.5-3.5): 1. The power-on viscosity-loss adhesive tape is high in peel strength and high in power-on viscosity-loss sensitivity.

The invention discloses a method for detecting staphylococcus aureus by using an electrochemical luminescence aptamer sensor. The method comprises the following steps: step 1, synthesizing Au NPs; 2, synthesizing a Ru (bpy) 32 + (at) MXene composite material; step 3, sensor construction and ECL detection: step 3a, polishing the surface of the GCE with Al2O3 polishing powder, washing with ultrapure water, and blow-drying with nitrogen; step 3b, obtaining Ru (bpy) 32 + (at) MXene / GCE; step 3c, obtaining an Au NPs-Ru (bpy) 32 + (at) Mxene membrane electrode; step 3d, dispensing cDNA activated by TCEP on the surface of Au NPs-Ru (bpy) 32 + (at) Mxene / GCE, incubating, and fixing the cDNA on the surface of the electrode through self-assembly of a gold-sulfydryl bond; step 3e, mixing the aptamer with P-DNA / Fc modified with ferrocene (Fc), and carrying out a reaction in a dark place to obtain double-stranded DNA; step 3f, mixing staphylococcus aureus with different solubilities with the double-stranded DNA, soaking the cDNA-modified electrode in the mixed solution, and reacting in a dark place; and immersing the electrode into a 1 * PBS buffer solution containing TPA. The detection sensitivity of pathogenic bacteria can be improved.

The application discloses an oxygen reduction catalyst and a preparation method and application thereof. The preparation method of the oxygen reduction catalyst comprises the following steps: S1: mixing mycelia of filamentous fungi, ferrocene and a nitrogen source, and performing first calcination to obtain a mixture A; and S2: mixing the mixture A and a ZnCl2 solution, and performing activation and carbonization reaction to obtain the oxygen reduction catalyst. The preparation method can realize environmental management through waste recycling, and has the advantages of easy preparation of raw materials, low cost, simple preparation method, and suitability for large-scale preparation and application. Meanwhile, the oxygen reduction catalyst has the advantages of obvious three-dimensional porous structure, large specific surface area, rich active sites, good catalytic activity and stability.

The invention relates to a preparation method of a hydrolysis modified organic silicon high-temperature-resistant anticorrosive coating, and belongs to the technical field of anticorrosive coatings. The preparation method comprises the following steps: heating 1, 1 '-bis (dimethylsilyl) ferrocene, methylbenzene, chloroplatinic acid, 2, 2, 3, 3, 4, 4, 4-heptafluorobutyl acrylate and bis-(2-methylallyl) cyclooctyl-1, 5-diene ruthenium, and reacting to obtain an intermediate product 1; weighing methyltrimethoxysilane, phenyltrimethoxysilane and the intermediate product 1, uniformly stirring and mixing, slowly dropwise adding diluted hydrochloric acid, hydrolyzing, and heating to react, so as to obtain modified silicon resin; adding the modified silicon resin into petroleum ether, and adding silicone oil, an organic tin catalyst, a bis-ammonia coupling agent, filler and a curing agent to obtain the anticorrosive paint.

A group of inventions relates to the field of medical devices. A method for producing needles with adsorption properties is described by depositing an iron oxide coating onto the needle by atomic layer deposition. An acupuncture needle for reflex therapy, consisting of a handle and shaft made of metal material, is placed in a reactor where a vacuum is created at a pressure of approximately 10 mbar ± 0.1 mbar and a temperature of 150 ± 0.2 °C, then a ferrocenecarboxylic acid precursor in the form of vapor is delivered to the reactor, then nitrogen is added to the reactor and degassed to the initial pressure, and this process is repeated in pulse mode until a specific coating thickness is formed. The use of ferrocenecarboxylic acid as a precursor for producing an Fe3O4 coating is described. An acupuncture needle for adsorbing toxic heavy metal ions is described with a coating of Fe3O4 nanofilm thickness of 14 nm ± 0.1 nm, and the nanofilm has the appearance of a nanosieve as shown in Figure 1b. The use of acupuncture needles for adsorbing metal ions is described. The technical achievement of this invention is the development of a method for attaching a magnetic separation film of Fe3O4 to the surface of an acupuncture needle, which is simpler and less expensive in terms of methodology and technique, thereby imparting adsorption properties to the acupuncture needle. The needle of this invention makes it possible to adsorb toxic heavy metal ions such as cadmium, arsenic, manganese, cesium, aluminum, iron, cobalt, nickel, chromium, mercury, lead, copper, zinc, beryllium, antimony, thallium, bismuth, osmium, tin, molybdenum, zirconium, titanium, vanadium, molybdenum, and gallium.

The present application relates to a kind of radiotherapy sensitization microneedle and its preparation method and application, belong to biological medicine technical field.The radiotherapy sensitization microneedle of the present application includes hyaluronic acid and nano radiosensitizer;The radiotherapy sensitization microneedle is obtained by drying after hyaluronic acid and nano radiosensitizer solution are mixed;The nano radiosensitizer solution is prepared by the following method: hafnium salt, 1,1'-ferrocene dicarboxylic acid and benzoic acid are mixed in organic solvent and stirred, centrifugal;The supernatant obtained is dialyzed, extracted, and the liquid phase obtained after solid-liquid separation is nano radiosensitizer solution.The radiotherapy sensitization microneedle of the present application is applied to the growth inhibition and radiotherapy sensitization of mouse melanoma cell B16F10 cell, can fully play the role of radiotherapy sensitization while overcoming the limitation of prior art, and preparation route is simple, and have certain conversion prospect.

The application belongs to the technical field of compound synthesis, and particularly relates to an alpha-ketoamide derivative and a preparation method thereof, wherein the preparation method of the alpha-ketoamide derivative comprises the following steps: S1, first, a graphite carbon rod electrode and a platinum sheet electrode are respectively assembled on two sides of a 10mL three-port glass bottle; S2, then, a magnetic son is added into the three-port glass bottle, the bottle mouths on two sides are sealed, the three-port glass bottle is transferred to a glove box for feeding, and benzoylformic acid, morpholine and 10mol% of ferrocene in 4mL hexafluoroisopropanol are sequentially added; S3, after the feeding is completed, the last bottle mouth of the three-port glass bottle is sealed, and a constant current of 3mA is introduced for electrolysis. The application realizes the amination reaction of alpha-keto acid by using an electrocatalytic decarboxylation strategy, selectively synthesizes alpha-ketoamide derivatives, and the reaction is suitable for primary amine compounds, secondary amine compounds, is also suitable for aromatic and aliphatic alpha-keto acids, and excellent functional group tolerance is exhibited.

The invention relates to a method for co-processing low-flash-point low-calorific-value waste liquid in a cement kiln, and belongs to the technical field of environmental protection. The low-flash-point low-calorific-value waste liquid is conveyed to a pressure-stabilizing and flow-stabilizing tank and then is stably output to a low-pressure gasification preheater; the low-pressure gasification preheater is used for heating the waste liquid by utilizing low-grade waste heat of the cement kiln system and gasifying the waste liquid; the gas-liquid mixed phase is conveyed to a kiln head cover nozzle and a decomposing furnace nozzle through a special conveying pipeline, and heat energy is released and thoroughly decomposed; the inner wall of the special conveying pipeline is coated with a malonyl urea-epoxy resin composite coating; the malonyl urea-epoxy resin composite coating is prepared from epoxy resin, malonyl urea, methylbenzene, amino ferrocene and additional amino ferrocene; after the flue gas is co-treated by the cement kiln disclosed by the invention, the concentration of benzene and chlorobenzene in the flue gas is remarkably reduced, and the requirements of environment-friendly emission are met.

A method for producing low-aromatic white oil involves the mercapto-olefin addition reaction of a nickel mercaptonicate complex with methylallyltri-n-butyltin and vinyl ferrocene, respectively, using a carbon molecular sieve as a support to prepare a hydrogenation catalyst. This catalyst exhibits good mass transfer performance, inhibiting cracking reactions and pore blockage. The porous structure of the carbon molecular sieve provides effective channels for hydrogen atoms to diffuse on and within the catalyst surface, thereby improving hydrogen utilization. Dispersing nickel metal ions on the support surface to form a monolayer or multilayer structure enhances catalyst activity. It also resists the influence of some harmful substances on catalyst activity. The hydrogenation catalyst prepared by this invention enhances catalyst stability, reduces sintering and deactivation rates, thereby extending catalyst life. Furthermore, it contributes to improving the efficiency and selectivity of the hydrocracking process.

The invention discloses a ferrocene cyano porphyrin burning rate catalyst as well as a preparation method and application thereof. The method comprises the following steps: catalyzing 3-ferrocene acetenyl benzaldehyde with dipyrromethane and pyrrole respectively through trifluoroacetic acid and oxidizing 2, 3-dichloro-5, 6-dicyanobenzoquinone to prepare 5, 15-diphenylporphyrin and 5, 10, 15, 20-tetraphenylporphyrin of which benzene ring meta positions are substituted by ferrocene acetylene respectively, and then adding 2, 3-dichloro-5, 6-dicyanobenzoquinone to prepare the ferrocene acetenyl porphyrin and 5, 10, 15, 20-tetraphenylporphyrin of which benzene ring meta positions are substituted by ferrocene acetylene. And reacting the two porphyrins with acetates of zinc, nickel, ketone and cobalt to obtain corresponding metalloporphyrin. The two series of alkynyl-containing porphyrins are respectively subjected to tetracyanoethylene reaction to obtain cyano ferrocene functionalized porphyrin and metalloporphyrin. The ferrocene cyano porphyrin and the metalloporphyrin provided by the invention not only have better catalytic properties on thermal degradation of AP, but also have the advantage of no migration when being used as a burning rate catalyst of a composite solid propellant. Therefore, the cyano ferrocene functionalized porphyrin and metalloporphyrin provided by the invention have better practical prospects in the field of solid rocket propellant burning rate catalysts.

The application discloses a triphenylmethane polyether dye and a preparation method thereof, and the preparation method comprises the following steps: (1) adding an organic catalyst and an oxidant into a triphenylmethane polyether dye leucoaqueous solution in the interval of 40-60 DEG C, adding an acid-binding agent to maintain a proper pH, and completing oxidation; the organic catalyst is a ferrocene-rotene iron compound; (2) adjusting the pH with an acid-binding agent aqueous solution, removing the organic catalyst by hot filtration, removing water through vacuum distillation of the filtrate, and performing pressure filtration to obtain the triphenylmethane polyether dye. The improved rotene iron catalyst is used in the application, the catalytic effect is obviously improved, the reaction temperature and activation energy are reduced, the defects of excessive hydrogen peroxide oxidation are overcome, and the obtained product meets the EN71-3 standard.

The application provides an in-situ oriented carbon nanotube / silicon nitride nanobelt composite material and a preparation method thereof, and comprises the following steps: uniformly mixing methyltrimethoxysilane, dimethyldimethoxysilane, ethanol, water and nitric acid according to a certain proportion, and obtaining a siloxane xerogel precursor after stirring and drying; obtaining a silicon nitride nanomaterial by a carbothermal reduction reaction method under high-temperature conditions; injecting a mixed solution of ethanol, ethylenediamine and ferrocene into a tube furnace by a floating CVD method under high-temperature conditions, and growing carbon nanotubes on the surface of the silicon nitride nanobelt to obtain the in-situ oriented carbon nanotube / silicon nitride nanobelt composite material; and the application grows the carbon nanotubes on the surface of the silicon nitride nanobelt material by the floating CVD method to improve the electromagnetic shielding performance of the silicon nitride nanocomposite material, and finally, the carbon nanotube / silicon nitride nanobelt composite material with light weight, flexibility and good electromagnetic shielding performance is prepared.

The invention discloses activated carbon for adsorbing dioxin and a preparation method of the activated carbon, and belongs to the field of activated carbon preparation. The activated carbon is prepared by the following steps: firstly, mixing coconut shell charcoal with phosphoric acid, performing activating treatment in a microwave reactor, and then calcining to obtain coconut shell-based activated carbon; then soaking the coconut shell-based activated carbon in a ferrous chloride solution, adding an antioxidant, and drying after soaking; and dipping the coconut shell-based activated carbon in a ferrocene mixed solution, and drying after dipping to obtain the activated carbon for adsorbing dioxin. By constructing a micropore-mesopore structure, the dioxin containing capacity of the activated carbon is remarkably enhanced, ferrocene is loaded on the surface of the activated carbon, and the combining capacity of the activated carbon and the dioxin is further improved.

The invention relates to the technical field of biological medicines, in particular to an anti-tumor compound as well as a preparation method and application thereof. The nano-diamond cannot effectively kill tumor cells due to good biocompatibility, and the ferrocene with an aromatic ring structure is combined with the nano-diamond, so that a good anti-tumor effect can be fully exerted. The TAT-PEG-PLGA has the advantages that the TAT-PEG-PLGA is high in membrane penetrating capability, water solubility, biocompatibility, stability and targeting property; the TAT-PEG-PLGA with adsorption force on the surface is used for loading the ferrocene-nano-diamond and the adriamycin to obtain the anti-tumor compound, so that the ferrocene-nano-diamond and the adriamycin can effectively enter tumor cells to jointly play an anti-tumor effect. The obtained anti-tumor compound can effectively inhibit the activity of melanoma cells A375, is an effective tumor inhibitor, and can provide a new treatment strategy and choice for tumor treatment.

The application discloses a chalcogen-containing viologen derivative, a preparation method thereof and application of the chalcogen-containing viologen derivative in a flow battery system. The elements contained in the molecule include carbon, hydrogen, nitrogen, oxygen and chalcogen, and the molecule is rich in resources, low in cost and simple in synthesis method. Compared with a traditional bipyridine compound, the introduction of the chalcogen in the middle of the pyridine unit enhances the conjugation of the whole molecule structure and improves the stability of the molecule. The hydrophilic group is introduced into the nitrogen atom through ionization, the water solubility is increased, and the molecule can be used in a more green and environmental neutral aqueous flow battery. Tests show that the neutral aqueous flow battery composed of the molecule as an anode and ferrocene as a cathode has excellent performance, is stable in circulation and has a long service life, and has a good application prospect in the field of large-scale energy storage.

The invention discloses an MOF (Metal Organic Framework) material rich in coordination defects as well as a preparation method and application of the MOF material. The preparation method of the MOF material rich in coordination defects comprises the following steps: 1) preparing foamed nickel loaded with nickel-cobalt layered double hydroxides; and 2) dissolving 2, 6-naphthalenedicarboxylic acid and ferrocenecarboxylic acid in a mixed solvent composed of N, N-dimethylformamide and water, and then adding the foamed nickel loaded with the nickel-cobalt layered double hydroxides to carry out solvothermal reaction. The MOF material is rich in coordination defects, has the advantages of being excellent in catalytic performance, good in stability and the like when used as an electrode material for hydrogen production through water electrolysis, can effectively reduce energy consumption of hydrogen production through water electrolysis and improve the efficiency of hydrogen production through water electrolysis, and is low in production cost, wide in raw material source, simple in preparation method and suitable for industrial production. The method is suitable for large-scale industrial production and application.

The present invention relates to a modification and regeneration method of waste activated carbon, belonging to the technical field of activated carbon, and the method comprises the following steps: S1, preparing an intermediate material; S2, preparing modified carbon; S3, preparing an activated carbon product. The present invention adopts zinc chloride and sodium thiocyanate to synergistically activate the waste activated carbon, effectively activates and forms pores, and increases the active sites on the surface of the activated carbon. On this basis, it is compounded with steel slag micropowder and ferrocene, which effectively increases the adsorption capacity of the obtained activated carbon. Therefore, the activated carbon thus obtained has an excellent desulfurization and denitrification effect; in addition, the present invention also makes a self-made adhesive for the bonding of activated carbon, and polyvinyl acetate is added in the process of preparing the adhesive, and its certain bonding property increases the strength of the prepared adhesive; anhydrous borax is added to improve the density of the network structure in the system, and the adhesive and the activated carbon are cross-mixed to form a tight whole, thereby enhancing the compressive strength of the obtained activated carbon.

The invention discloses a phosphorus-containing oxynitride compound based on a cycloarane skeleton and a ferrocene skeleton and a preparation method and application thereof, the phosphorus-containing oxynitride compound based on the cycloarane skeleton and the ferrocene skeleton is selected from at least one of compounds with structural formulas as shown in a formula I and a formula II, wherein Ar is independently selected from phenyl and C7-C15 substituted aryl; the substituent group of the substituted aryl group is selected from one of C1-C4 alkyl groups and methoxyl groups. According to the invention, a class of novel phosphorus-nitrogen-oxygen-containing compounds which have two planar chirality and are based on the cycloarane skeleton and the ferrocene skeleton can be effectively synthesized; as a ligand, the compound shows excellent catalytic activity and enantioselective control ability in asymmetric hydrogenation of an iridium-catalyzed N-aryl indolone compound or a heterobiaryl ketone compound.