108 results about "Iron phthalocyanine" patented technology

The invention relates to a C / Fe3C lithium ion battery negative material and a preparation method thereof, which belong to the field of the lithium ion battery negative material and electrochemistry. The lithium ion battery negative material consists of amorphous carbon and Fe3C. The preparation method of the material comprises the following steps of: dissolving iron phthalocyanine, pyrazine and asurfactant in an organic solvent for thermal polymerization; and performing heat treatment on a polymerization product in argon atmosphere or performing heat treatment on Prussian blue at a certain temperature under the protection of the argon atmosphere, wherein a discharge voltage platform of the negative material is at 0.75V in average; the reversible specific capacity of the material can be kept at 700mAh / g within a voltage range of between 0.005 and 3.5V at the charge and discharge rate of 100mA / g after 60 cycles and does not obviously attenuate; in addition, the material has high chargeand discharge rate performance and broad application prospect.

The invention discloses a composite electromagnetic medium material containing a dicyclopentadienyl iron phthalocyanine metal organic magnetic body and a corresponding preparation method. The material consists of the dicyclopentadienyl iron phthalocyanine metal organic magnetic body (A) containing Cu, Co or Ni, a nano ceramic powder material (B), a thermoplastic resin material (C) and a modifier (D). The material has the remarkable characteristics that the material has higher electromagnetic parameter product (mu'epsilon'=30-100) and lower dielectric loss (tg delta is less than 2*10 -3 ) at the extensive frequency band of 0.1 to 45GHz; when the material is used for manufacturing a micro-strip antenna or an electronic device, the bandwidth of the material can reach over 15 to 40 percent so as to greatly reduce the geometric dimension of the electronic device or the antenna and keep good gain; and the material has simple process and low price and is easy to realize industrialization.

The invention provides a surface iron modified titanium dioxide photocatalyst comprising titanium dioxide powder and / or film, wherein a highly-dispersive iron oxygen compound is contained in the surface of the titanium dioxide powder and / or film. The invention also provides a preparation method of the photocatalyst, comprising the steps of: adsorbing the iron phthalocyanine in a solution to the surface of the titanium dioxide through taking pre-burnt titanium dioxide as a titanium source, taking macromolecule iron phthalocyanine with different substituent groups as an iron source and taking water-organic solvent as a mixed solvent, firing at a specific temperature so as to destroy a ring structure of phthalocyanine, removing carbon, nitrogen, oxygen and hydrogen elements except the iron element in iron phthalocyanine molecule and finally obtaining the composite photocatalyst. The invention also provides application of the photocatalyst and the photocatalyst can be used for degrading phenol and chlorinated phenol organics by utilizing ultraviolet light. The photocatalyst provided by the invention has the advantages that raw materials are easy to get, the preparation method is simple, compared with a blank titanium dioxide photocatalyst, the iron modified titanium dioxide photocatalyst has obviously increased activity and the stability of the photocatalyst is good to ensure thatphenomenons of salvation and form transition of iron do not happen in reaction processes.

A phthalocyanin-iron-cobalt-ammonium sulfonate as the dsulfurizing catalyst with high catalytic activity and desulfurizing efficiency (more than 99%) is prepared through preparing the sulfonated chemical from phthalic anhydride as raw material and smoking sulfuric acid as sulfonating agent, preparing phthalocyanin-iron-cobalt- ammonium sulfonate from said sulfonated chemical, ammonium molybdate as catalyst, urea, cobalt chloride and iron salt, drying, and pulverizing.

The invention provides an iron-nitrogen-carbon composite material containing monatomic active sites, which comprises a carrier containing graphite-like carbon nitride and iron monatomic combined with the carrier, so that the catalytic activity to peroxymonosulfate is improved, and a large amount of metal ions are prevented from being dissolved out. The preparation method comprises the following steps: S1, dissolving a nitrogen-containing carbon source in an ethanol solution to obtain a solution A; wherein the nitrogen-containing carbon source is prepared from one or more of melamine, dicyandiamide and urea; S2, dispersing an iron-containing metal precursor in the solution A, and then performing evaporation to dryness treatment to obtain a mixed substance B; wherein the iron-containing metal precursor comprises one or two of chlorhematin and iron phthalocyanine; and S3, sequentially performing grinding and mixing treatment, pyrolysis treatment and cooling treatment on the mixed substance B, sequentially performing acid pickling treatment, water washing treatment and drying treatment on a substance obtained after cooling treatment, and obtaining the iron-nitrogen-carbon composite material.

The invention belongs to the technical field of preparation of aviation kerosene, and particularly relates to a preparation method of a hydrodeoxidation isocatalyst, a hydrodeoxidation isocatalyst and application thereof. Carbon nanotubes are modified by nickel phthalocyanine so as to introduce Ni and N elements into the carbon nanotubes, iron phthalocyanine is added to cooperate with the nickel phthalocyanine, and the modified carbon nanotubes are added into a SAPO-11 synthetic gel in the form of a gel component, so that the synthesized SAPO-11 has more abundant pores and higher acid strength; and by introducing the Ni, Fe and N, the synthesized molecular sieve has the hydrodeoxidation activity, so that the synthesized NiFeCNTSAPO-11 can be directly used as a biological aviation kerosene catalyst for hydrogenating vegetable oil, thereby omitting the step of impregnating active components into the support and simplifying the preparation procedure. Besides, the hydrodeoxidation isocatalyst has high catalytic efficiency and high biological aviation kerosene yield (up to 78-85%).

The invention discloses a high-performance alkaline fuel cell cathode carbon catalyst and a preparation method of the high-performance alkaline fuel cell cathode carbon catalyst. The catalyst disclosed by the invention is a composite carbon material in a core-shell nanostructure, which is prepared by adulterating two elements of Fe and N, using conductive carbon black with a high-ratio surface as an inner core and coating a phthalocyanine iron shell around the inner core. The preparation method comprises the following steps of: weighing and mixing phthalocyanine iron solid powder and the conductive carbon black with the high-ratio surface according to a certain mass ratio, and then preparing to obtain a C@FePc carbon non-noble metal catalyst in the core-shell nanostructure by adopting a simple mechanical ball milling method. The catalyst disclosed by the invention has high-performance oxygen reduction reaction (ORR) catalytic activity, excellent CH3OH / CO tolerance and good stability, the cost of raw materials used in the preparation process is low, the operation is simple and convenient, and the catalyst is easy for large-scale commercialized production.

The invention discloses a lithium-air battery. The lithium-air battery comprises an air positive electrode, a lithium negative electrode and organic electrolyte which is filled between the air positive electrode and the lithium negative electrode, the organic electrolyte contains an aprotic organic solvent, lithium salt and a soluble catalyst, the soluble catalyst can select from phthalocyanine transitional metal compound and derivatives thereof, such as iron phthalocyanine and carboxylation or sulfated iron phthalocyanine. The invention also discloses electrolyte for the corresponding lithium-air battery. Through the electrolyte, a solution-phase catalytic system can be provided for the inside of the lithium-air battery, and thus even if a great amount of solid lithium oxide or lithium peroxide is formed on the surface of the air positive electrode, the favorable contact between the catalyst and a reactant can be guaranteed, the charging voltage of the lithium-air battery can be correspondently reduced, the discharging voltage can be increased, the rate capacity performance of the battery also can be improved, the capacity can be increased, and the cycling performance of the battery can be improved.

The invention relates to an iron phthalocyanine prepolymer / Fe3O4 nanometer hybrid magnetic material and a preparation method thereof, belonging to the technical field of the organic magnetic material. the technical problem solved by the invention is to provide a simple and efficient preparation method with low cost and then obtain the iron phthalocyanine prepolymer / Fe3O4 nanometer hybrid magnetic material which has small particle size, high magnetism and stable magnetic properties at the room temperature, resists high temperature and oxidation and is easy to process. The magnetic material uses 4,4'-biphenol type bisphthalonitrile as polymer monomer, FeCl3.3H2O as crosslinking agent and N-methylpyrrolidone as solvent; and the preparation method is as follows: performing early prepolymerization of solution to form phthalocyanine prepolymer, and using FeCl3.3H2O as iron source to perform sequential hydrothermal crystallization. The high temperature resistant polymer magnetic material of the invention has novel design and simple preparation method; and the saturation magnetization is 48-65emu / g, the coercive force is 37-47Oe and the residual magnetization is 0.03-0.4emu / g. The material of the invention can be widely used in the technical fields such as high temperature resistant polymer magnetic composites, electronic devices and biocatalysis technology.

The present invention relates to a composition, textile, and mask for reducing the inhalation of pollutants. The composition includes an aqueous solution of an inorganic iodide compound, a metal phthalocyanine, and a polymeric binder. The inorganic iodide can be cuprous iodide, the metal phthalocyanine can be iron phthalocyanine, and the polymeric binder can be polyvinylpyrrolidone or polyvinyl alcohol. This pollutant-inactivating composition neutralizes pollutants such as nitrogen dioxide, sulfur dioxide, ozone, volatile organic compounds and other unpleasant airborne agents, without requiring elevated temperatures or bulky canisters containing adsorbents. Optionally, a humectant can also be incorporated into the coating solution to retain moisture in the active filter matrix, which enhances the activity of the composition to inactivate oxidizing gases and other toxic constituents of air pollution.

The invention discloses a hydrotalcite-loaded iron phthalocyanine visible light-fenton catalyst, a preparation method and an application thereof. The visible light-fenton catalyst is formed by magnesium aluminium nitrate hydrotalcite and its loaded tetra-sulfonic iron phthalocyanine, through the adsorption effect of the magnesium aluminium nitrate hydrotalcite on tetra-sulfonic iron phthalocyanine and ion exchange effect between the magnesium aluminium nitrate hydrotalcite and tetra-sulfonic iron phthalocyanine, the tetra-sulfonic iron phthalocyanine is loaded on an interlayer and surface of the magnesium aluminium nitrate hydrotalcite; and the catalyst is used for visible light-fenton degraded dye waste water and has good degradation effect. The application of the visible light-fenton catalyst widens a reaction pH value scope of Fenton-like compounds, reduces an usage amount of a H2O2 reagent, enhances the degradation efficiency of the Fenton-like compounds on the dye waste water in a visible light zone, and greatly reduces the processing cost of the dye waste water, cost is low, environment is friendly, and the visible light-fenton catalyst has industrial application prospect.

The invention discloses a core shell carbon nano-structure electrocatalyst with high catalytic performance and a preparation method thereof. Phthalocyanine iron having an enclosed edge structure is used as a shell, a conductive carbon is used as a core, and an Fe-N4 central structure of iron phthalocyanine unit is used as an active site. The preparation method comprises the following steps: 1), adding the conductive carbon into a mixed solution of pyromellitic dianhydride and phthalic anhydride, and performing drying to obtain powder A; 2), uniformly mixing the powder A with an iron compound,ammonium molybdate and urea to obtain powder B, heating to ensure that the powder B is a fused solution, performing microwave reaction to ensure that in-site polymerization reaction is carried out, and performing washing and drying to obtain the core shell carbon nano-structure electrocatalyst with the high catalytic performance. Being obviously superior to commercial Pt / C catalyst, the novel core shell carbon catalyst disclosed by the invention has excellent high oxygen reduction catalytic activity, excellent circulation stability and excellent CH3OH / CO tolerance; the raw materials used by synthesis of the catalyst are market developed products and are low in cost; the preparation process is simple and feasible, and is suitable for commercial mass production.

The invention relates to a preparation method and application of an iron-nitrogen-carbon catalyst; iron phthalocyanine is used as a precursor of a transition metal and a nitrogen source, commercial porous charcoal is used as a carbon carrier, an intermediate product is obtained by impregnation and adsorption, and then the iron-nitrogen-carbon catalyst is prepared by low temperature heat treatment.The method provided by the invention has the advantages of simple preparation process, easy control, low heat treatment temperature, and clear composition structure of the synthesized catalyst, and can achieve mass production of gram-grade scale. The prepared iron-nitrogen-carbon catalyst has excellent catalytic performance for oxygen reduction, and has good stability and anti-methanol poisoningperformance.

The invention discloses a preparation method of an iron phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material, which comprises the following steps: taking and mixing phthalic anhydride and activated carbon to obtain a mixture; taking and mixing urea, ammonium molybdate and ammonium ferrous sulfate hexahydrate with the mixture, grinding the obtained mixture, puttingthe ground mixture into a ceramic crucible, putting the ceramic crucible in a muffle furnace and carrying out sintering to obtain a sinter; and cooling the sinter to room temperature, cleaning and filtering the sinter after immersion cleaning, and drying the sinter to obtain the iron phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material. The method has the advantages of good product dispersion degree, high purity, short synthesis period, low cost and the like.

The invention discloses a preparation method of iron phthalocyanine, and relates to a preparation method of a compound, the method uses ferrous metal salt, phthalic anhydride and urea as raw materials, phthalic acid ester as a solvent, ammonium molybdate as a catalyst, and ammonium chloride as a catalyst aid, and a solvent synthesis method is used. The synthetic method comprises two stages: (1) reacting for 0.5-2 h at 120 to 140 DEG C; and (2) reacting for 2-8 h at 180 to 240 DEG C. The reaction solvent is the phthalic acid ester such as dioctyl phthalate which is greener and more environmentally friendly compared with a traditional solvent such as paranitrotoluene and trichlorobenzene, the high yield of the reaction proves that the method is effective in industrialization. Through use of the dioctyl phthalate (DOP) as the green solvent, reaction condition is improved, the whole production process is more environmentally friendly, by use of the dioctyl phthalate (DOP) as the solvent, a higher yield is ensured, and at the same time, the dioctyl phthalate can also be recycled.

The invention belongs to the technical field of preparation of electrochemical electrode materials, and provides an electrochemical sensor based on iron phthalocyanine / nitrogen and boron doped reduction graphene oxide, and a preparation method and an application thereof. The electrochemical sensor is based on a composite material of the iron phthalocyanine / nitrogen and the boron doped reduction graphene oxide(FePc / N, B-rGO) and is prepared by modifying the surface of a glassy carbon electrode by using the composite material, the sensitivity and selectivity are high, the electrode modificationprocess modification process is simpler, and the stability and reproducibility are good. The sensor can be applied to detect glutathione in human serum. The sensor prepared by the method can be used for the detection of the glutathione. The sensor has the characteristics of high sensitivity and selectivity, rapid response, good stability and reproducibility and large detection range, and can be applied to the detection of the glutathione in human serum.

The invention relates to an iron phthalocyanine prepolymer / Fe3O4 nanometer hybrid magnetic material and a preparation method thereof, belonging to the technical field of the organic magnetic material. the technical problem solved by the invention is to provide a simple and efficient preparation method with low cost and then obtain the iron phthalocyanine prepolymer / Fe3O4 nanometer hybrid magneticmaterial which has small particle size, high magnetism and stable magnetic properties at the room temperature, resists high temperature and oxidation and is easy to process. The magnetic material uses 4,4'-biphenol type bisphthalonitrile as polymer monomer, FeCl3.3H2O as crosslinking agent and N-methylpyrrolidone as solvent; and the preparation method is as follows: performing early prepolymerization of solution to form phthalocyanine prepolymer, and using FeCl3.3H2O as iron source to perform sequential hydrothermal crystallization. The high temperature resistant polymer magnetic material of the invention has novel design and simple preparation method; and the saturation magnetization is 48-65emu / g, the coercive force is 37-47Oe and the residual magnetization is 0.03-0.4emu / g. The material of the invention can be widely used in the technical fields such as high temperature resistant polymer magnetic composites, electronic devices and biocatalysis technology.

The invention relates to a FePc-loaded metal organic framework composite nano material, a preparation method thereof and an application thereof for chemiluminescence detection. The FePc-loaded metal organic framework nano material comprises iron phthalocyanine and a metal organic framework ZIF-90, and the post-synthesized nano material comprises FePc-coated ZIF-90 and a covalently connected luminol functional group. The preparation method comprises the steps of preparing a FePc-loaded metal organic framework nano material by a one-pot method and preparing the covalently connected composite material by a post-synthesis method. The effect of quantitatively detecting the glucose and the hydrogen peroxide is realized. The problem that the iron phthalocyanine is difficult to dissolve in water and is difficult to apply practically is solved.

The invention discloses a sepiolite loaded metal phthalocyanine catalyst. A preparation method comprises following steps: (1) pretreatment of sepiolite; and (2) preparation of sepiolite loaded metal phthalocyanine, wherein sepiolite obtained via pretreatment, metal phthalocyanine, and water or DMF or chloroform or dichloromethane are mixed, and an obtained mixture is subjected to stirring reaction, suction filtration, washing, and drying so as to obtain sepiolite loaded metal phthalocyanine, the metal phthalocyanine is selected from sulfonated phthalocyanin iron, sulfonated cobalt phthalocyanine, sulfonated phthalocyanine manganese, nitrated phthalocyanine iron, nitrated cobalt phthalocyanine, nitrated phthalocyanine manganese, alkoxy substituted phthalocyanine iron, alkoxy substituted cobalt phthalocyanine, or alkoxy substituted phthalocyanine manganese. The sepiolite loaded metal phthalocyanine catalyst can be used for preparing humic acid via catalytic oxidation of weathered coal. Catalyst using amount is less; reaction time is short; humic acid content of an obtained product is high; and application value of the sepiolite loaded metal phthalocyanine catalyst in industrial production is high.

The invention relates to a preparation method and application of a functionalized group-adjustable carbon nanotube loaded iron phthalocyanine composite material. The method comprises the steps of mixing an iron phthalocyanine solution and a functionalized multi-walled carbon nanotube MNCNT-R solution, ultrasonically dispersing a dispersion liquid for 10-60 minutes, and finally magnetically stirring the dispersion liquid for 10-24 hours at room temperature under the protection of nitrogen to obtain the black solid product, namely, the functionalized carbon nanotube loaded iron phthalocyanine composite material. The composite electrocatalytic material with excellent oxygen reduction performance is obtained, and preparation of a carbon-based oxygen reduction catalytic material with high-quality and high-current density can be efficiently catalyzed.

The invention discloses a p-phenyl di(3,4-dicyano phenyl) thioether polymeric iron phthalocyanine (PTFePPc) and a preparation method and an application thereof, and belongs to the technical field of cathode catalysts of proton exchange membrane fuel cells. A polymerization unit of PTFePPc is formed by connecting 3,4-dicyano phenyl iron phthalocyanine and dithiohydroquinone through a covalent bond; and the preparation method of the PTFePPc comprises the following steps: preparing p-phenyl di(3,4-dicyano phenyl) thioether from 4-nitrophthalonitrile and the dithiohydroquinone; making the p-phenyl di(3,4-dicyano phenyl) thioether react with iron dichloride tetrahydrate, so as to prepare the PTFePPc; and heating the PTFePPc and a graphene oxide solvent and then carrying out a high-temperature heat treatment, so as to obtain N / S doubly doped graphene-loaded Fe<9>S<10> nanocrystals. The N / S doubly doped graphene-loaded Fe<9>S<10> nanocrystal disclosed by the invention has excellent catalytic performance on oxygen reduction.

The invention relates to a dispersant composition exclusively for iron phthalocyanine green, and according to weight consists of 10 to 20 percent of unsaturated fatty acid, two unsaturated fatty acid ester respectively with 1 to 5 percent, 1 to 5 percent of unsaturated amide, 1 to 5 percent of functional monomer, 10 to 15 percent of alkylphenol polypolyoxyethylene ether, 0.1 to 1 percent of initiator, and 20 to 40 percent of liquid alkine with the concentration of 30 percent, and the remained is deioned water. The preparation process of the dispersant composition comprises: 1) the preparation process of mixed monomer; 2) preparing initiator liquid; 3) the preparation process of the dispersant composition through polymerization. The water solution of iron phthalocyanine green dye prepared from the invention can pass Europe standard, thus possessing broad market prospect.

The invention provides a method of preparing FePc water-soluble dispersed nanoparticles, comprising steps of: S1) preparation of FePc dispersion liquid: dispersing FePc in a solvent to prepare the FePc dispersion liquid, concentration being 0.1-1 mg / ml; S2) preparation of a dispersant water solution: stirring and dissolving a dispersant in water to prepare the dispersant water solution, concentration being 0.5-3%; S3) mixing and heating: mixing and heating the FePc dispersion liquid and the dispersant water solution, and purifying the mixture to prepare the FePc water-soluble dispersed nanoparticles. The method has simple operations and stable processes, can increase the dispersion stability of the FePc and effectively solve the problem of aggregation of the FePc. By increasing active sites during a catalytic oxygen reduction reaction, contact possibility between attachment points of the FePc and oxygen is increased, so that the effect of the catalytic oxygen reduction reaction is improved. The product has great industrial production and practical application value.

The invention relates to a method for preparing cyclohexylbenzene by virtue of biphenyl catalytic hydrogenation. The method comprises the following steps: adding a biphenyl solution into a reactor containing a catalyst at 180 DEG C, and then introducing hydrogen to react with biphenyl; and separating a reaction product by a packed tower to obtain cyclohexylbenzene, wherein the catalyst is a mixture of iron phthalocyanine, nickel oxide and aluminum phosphate. A solvent, cyclohexylbenzene and bicyclohexane can be obtained by separating the product of the reaction process, wherein the solvent obtained in the separation process is circulated back to reaction. The yield of cyclohexylbenzene prepared by the method provided by the invention reaches 96%; and the preparation method has outstanding advantages of low cost, high yield and good selectivity, and is very suitable for industrial production.

The invention relates to a magnetic developer, in particular to a toner used for a laser printer, which comprises components such as an adhesive resin, a magnetic material, a charge controlling agent, an internal additive and an external additive, wherein the main component adhesive resin adopts a styrene-butyl acrylate-butyl maleate terpolymer with the polymerization rate of 60:30:10, the melt index MI of 1.6 to 2.6 and the varnish viscosity of 140 to 380 CP; and the magnetic material adopts iron oxide or ferrite, and has the average particle size of 0.1 to 5 mu m, the coercive force of 20 to 1500 e, the saturation magnetization of 50 to 200 emv / g and the bulk density of 1.0 to 1.6 g / cm<3>. Novel schemes for material selection and proportioning are provided by the invention, and iron phthalocyanine is added. The toner produced by the invention ensures high image concentration, high resolution, high image definition, high fineness and non-adhesion of lines, non-adhesion to a fuser film and less abrasion to a photosensitive drum when used for the high-speed laser printer, and is particularly applied to the filling of a reusable cartridge of the high-speed laser printer.

The invention relates to a preparation technology of surface roughened (microporous) magnetic nano-microspheres and composite materials thereof and belongs to the field of nanometer materials. The technology comprises the following steps: taking a series of phthalonitrile of different structures as organic monomers, taking FeCl3.6H2O as an iron source, taking ethylene glycol as a solvent and a reducing agent, performing redox self-assembling according to a one-step solvothermal method, thereby obtaining iron phthalocyanine / Fe3O4 magnetic nano-microspheres; performing surface etching on the microspheres to obtain surface roughened and porous nano-microspheres, uniformly dispersing the nano-microspheres into an aromatic nitrile polymer, thereby obtaining a polymer-based nanometer composite material which is high in thermal stability and excellent in interfacial compatibility and has excellent magnetic properties. According to the invention, the surface roughened and porous iron phthalocyanine / Fe3O4 magnetic nano-microspheres are prepared according to a simple method, and have potential application values in aspects such as catalyst carriers, adsorbing materials and the like. In addition, due to the roughened surface, the interfacial compatibility between a matrix and a filler is effectively improved, and the nano-microspheres can be widely applied to the field of materials such as magnetic composite materials, capacitors, semiconductor film devices and the like.

The present invention relates to making tetra-sulfo iron-phthalocyanine by reacting sulfonated reactant(s) in the presence a boron-containing promoter. The present invention also relates to making tetra-sulfo iron phthalocyanine more tolerant to oxygen by combining the tetra-sulfo iron-phthalocyanine with a stabilizing amount of a complexing agent (e.g., a stabilizing amine) and / or contacting the tetra-sulfo iron-phthalocyanine with steam.

The invention provides a method for preparing an in-situ nitrogen-doped carbon-coated lithium iron phosphate cathode material. Namely, the graphite phase carbon nitride (g-C 3N 4) and iron phthalocyanine (FePc) are used as the main nitrogen source and carbon source, and part of the iron source is provided. In-situ nitrogen doping carbon coating is used to improve the uniformity of coating and theperformance of charge / discharge rate. The method mainly comprises the following steps: firstly, obtaining g- C3N 4 through a urea pyrolysis method, and then combining the g-C 3N 4 and the FePc in axial coordination manner through a carboxyl pyridine (Py) to obtain g-C3N4-Py-FePc;Using ethanol as dispersant, ball-milling and dispersing ferrous oxalate, lithium source, phosphorus source and complex,and then performing drying in vacuum. The in-situ nitrogen-doped lithium iron phosphate coated cathode material was prepared by sintering and pulverizing the dried material.

The invention provides a preparation method of magnetic graphene-based aerogel with a photocatalysis function. The preparation method comprises the following steps: preparing a photocatalytic materialtetraamino iron phthalocyanine, then loading magnetic particles on a graphene substrate to prepare magnetic graphene-based aerogel, and finally grafting the tetraamino iron phthalocyanine to the surface of the magnetic graphene-based aerogel by virtue of amidation reaction so as to obtain the magnetic graphene-based aerogel material with the photocatalytic function. According to the invention, the material has an adsorption-degradation integrated effect and a physical magnetic separation function, can be widely applied to adsorption and degradation of a pollution system containing benzo alphapyrene (BaP), and has a potential application prospect.

The present invention provides a method for preparing aldehyde and ketone through alcohol oxidation. The method comprises: adopting 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) as a catalyst, adopting iron phthalocyanine (II) as a co-catalyst, adopting oxygen (or air) as an oxidant, and oxidizing an alcohol in an organic solvent to generate aldehyde and ketone. The method has characteristics of mild reaction conditions, simple operation and less pollution, and is a new green environmental protection method for preparing aldehyde and ketone through catalysis oxidation of alcohol.