32 results about "Nickel phthalocyanine" patented technology

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 preparation method of nickel cobalt oxide nanorod composite material wrapped by carbon having a microspheric grading structure. The preparation method comprises steps that mixed solvent of ethylene glycol and water is prepared; nickel chloride, cobalt chloride, urea, and bisphthalonitrile are dispersed; nickel phthalocyanine / cobalt carbonate composite material is acquired after high temperature crystallization; nickel phthalocyanine / cobalt carbonate composite material is calcined. The prepared composite material is a powder-shaped amorphous material, and nickel cobalt oxide crystals wrapped by the carbon exist in the form of the nanorod, and are gathered together to form a microspheric grading structure, and are distributed uniformly. By adopting the above mentioned structure, the conductivity of the nickel cobalt oxide is improved, and the stability of the whole material is improved. When the composite material is used as an electrode material of a super capacitor, the stability and the conductivity of the electrode material are greatly improved. The nickel cobalt oxide nanorod composite material is advantageous in that high specific capacity and good circulation stability are provided; the specific capacity reaches 575F / g, and a capacity retention ratio is kept at 95.2%after 3000 times of charging and discharging; an excellent electrochemical performance is provided.

The invention discloses a preparation method and application of a high-efficiency carbon nanosheet supported fuel cell positive electrode material. According to the method, the NiCo alloy nanoparticleloaded carbon nanosheet supported electrode material is directly generated on the surface on the basis of maintaining the morphology of the amorphous Co-B nanosheet by utilizing carbonization of nickel phthalocyanine and the Co-B nanosheet under high temperature and reduction reaction of metal ions under the premise that BH4- reduces Co2+ ion to synthesize a Co-B amorphous template. With application of different kinds of metal phthalocyanines, the metal composition of alloys can be controlled effectively. Furthermore, NiCo@BNC-800 having the nanosheet morphology exhibits excellent performance. In the oxygen reduction reaction of the fuel cell positive electrode, the starting potential is 1.03 V and the half-wave potential is 0.85 V, which is higher than that of commercial Pt / C electrode.Meanwhile, the stability and the methanol resistance of the composite electrode are better than those of the commercial Pt / C electrode. A general and simple method can be provided for synthesizing thehigh-efficiency fuel cell positive electrode material.

The invention discloses a preparation method of a carbon-based supercapacitor electrode material. The preparation method comprises the steps of: regulating and controlling a microstructure of a polypyrrole hydrogel precursor by utilizing a supramolecular dopant, and then subjecting the doped polypyrrole hydrogel precursor to high-temperature carbonization for 2+ / -1 hours and high-temperature KOH pore-forming treatment for 1+ / -0.5 hours to obtain a required carbon material; and mixing the carbon material with a few binding agent and acetylene black and preparing the mixture into a thin film ina manner of direct pressurization, or roller rolling and pressing and the like, wherein the thin film serves as a supercapacitor electrode, the supramolecular dopant is phthalocyanine compound salt comprising one of copper phthalocyanine, nickel phthalocyanine and cobalt phthalocyanine. The doped polypyrrole hydrogel is a conductive polymer of the microstructure shaped as staggered nanowires, andis favorable for the transport of ions in an electrolyte.

The invention discloses a nano silicon-carbon composite material for the negative electrode of a lithium battery. The composite material is prepared from the following raw materials in parts by weight: 52 to 58 parts of nano silicon powder, 125 to 130 parts of phenylaminomethyltriethoxysilane, 80 to 85 parts of graphite, 2500 to 3000 parts of ethylene diamine, 400 to 450 parts of 4-dimethylamino pyridine, 230 to 270 parts of dimethyl sulfoxide, 28 to 32 parts of nano sodium chloride powder, and 34 to 37 parts of nickel phthalocyanine. The provided composite material has a good circulation performance and charge-discharge performance and an important market value and social value, and will not become agglomerated during the preparation process, nano silicon is fully dispersed, and the properties of the material are guaranteed.

The invention discloses a preparation method of a nickel phthalocyanine / copper phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material. The method comprises the following steps of respectively grinding and then mixing phthalic anhydride, pitch coke activated carbon, urea, ammonium molybdate tetrahydrate, nickel chloride hexahydrate and copper chloride dihydrate to obtain a mixture; putting the mixture into a crucible, carrying out solid-phase sintering at 110-290 DEG C, and cooling to room temperature to obtain a crude product; and grinding the crude product, purifying and drying to obtain the nickel phthalocyanine / copper phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material. The prepared positive electrode catalytic materialhas the excellent catalytic performance for the Li / SOCl2 batteries.

The method of making thin film humidity sensors uses thermal vapor deposition or drop casting techniques to fabricate nickel phthalocyanine-fullerene-based (NiPc-C60) quick response humidity sensors with negligible hysteresis. Prior to the deposition of aluminum electrodes, a glass substrate is cleaned by using acetone in an ultrasonic bath for 10 minutes. After cleaning, the substrate is washed with de-ionized water and then dried. A gap is created between two electrodes by masking the glass substrate with copper wire. This assembly is plasma-cleaned for 5 minutes in a thermal evaporator. Subsequently aluminum (Al) thin films are deposited on the assembly. Next, a mixture of equal parts NiPc-C60 is deposited onto the gap between the Al electrodes by thermal vapor deposition or by drop casting. A method of forming NiPc-graphene oxide (NiPc-GO) humidity sensors without using instrumentation drop casts an NiPc-GO suspension onto aluminum foil electrodes taped to a substrate.

The invention discloses a magnesium hydride / metal phthalocyanine hydrogen storage composite material and a preparation method thereof. The hydrogen storage composite material is formed by using a metal phthalocyanine compound MePc as an additive and performing high-energy ball milling compounding on the metal phthalocyanine compound and magnesium hydride MgH2; the metal phthalocyanine compound isselected from one or two kinds of materials from FePc (iron phthalocyanine), CoPc (cobalt phthalocyanine), NiPc (nickel phthalocyanine) and the like. The preparation method is mainly characterized inthat metal phthalocyanine MePc and magnesium hydride MgH2 are mixed according to a proportion of 10:100-20:100; the mixture is subjected to ball milling by a high-energy ball milling method under theinert gas protection or hydrogen atmosphere condition; the rotating speed of a ball grinding mill is 800 to 1000r / min; the ball material ratio is 30:1-50:1; the ball grinding time is 2 to 4h; after each ball grinding is performed for 0.5 to 1h, the ball grinding mill stops for 15 to 30min. The obtained magnesium hydride / metal phthalocyanine hydrogen storage composite material has the advantages that the unique high catalytic activity of metal phthalocyanine compound MePc is utilized; the initial hydrogen release temperature of magnesium hydride MgH2 is greatly reduced; the preparation processand the equipment are simple; the energy consumption is low; the cost is low; ideal application prospects are realized.

The invention relates to a method for directly synthesizing nickel phthalocyanine crystal by using a solvent thermal method, solving the problems of long growth period, small size of the obtained crystal, low success rate, high cost and the like existing in the prior nickel phthalocyanine crystal preparation method. The method for directly synthesizing nickel phthalocyanine crystal by using the solvent thermal method comprises the following steps: using quinoline as the solvent and dihydrate nickel acetate and indole as the starting materials, adding the dihydrate nickel acetate and the indoleinto a reaction kettle according to the mol ratio of 1:2-5, then adding quinoline solvent, reacting for 7-10 hours at the temperature of 200-300 DEG C, and cooling to the room temperature; and finally filtering to directly obtain the purple acicular nickel phthalocyanine crystal. With the method, the single crystal growth time is greatly shortened, and single crystal can grow to 10mm within ninehours; in addition, the solvent is easily removed; and the method has the success rate of 100 percent, simple structure, short reaction time, low cost and high yield which can reach more than 70 percent.

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 CdS / NiPc photocatalyst capable of being used for photolysis of water and a preparation method of the CdS / NiPc photocatalyst, and belongs to the technical field of photocatalysis. According to the invention, cadmium sulfide seeds are formed in a diethylenetriamine (DETA) solvent, different contents of nickel phthalocyanine (NiPc) are added, NiPc is effectively dispersed, the CdS / NiPc photocatalyst is synthesized in situ by using a solvothermal method, and the introduction of NiPc is not only beneficial to widening the response range of visible light, but also beneficial to the separation and transfer of photo-induced charges, thereby improving the photocatalytic activity. The synthesis method is simple in process, easy to operate and low in cost. The prepared CdS / NiPc photocatalyst has excellent performance of hydrogen production by water photolysis.

A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer selected from the group consisting of polyimide, polyamide, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, and combinations thereof, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight. Preferably, the phthalocyanine compound is selected from copper phthalocyanine, zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof.

The invention discloses a graphene / phthalocyanine supercapacitor electrode material, and a preparation method thereof. The method mainly comprises the following steps: obtaining graphene oxide (GO) through the chemical oxidation method, and using p-phenylenediamine (pPD) as a reducing agent to obtain reduced GO-pPD (rGO-pPD) under the action of strong ammonia water; and carrying out azo-coupling reaction of the rGO-pPD and 2,9,16,23-tetraamino nickel (II) phthalocyanine (NiTAPc) with outstanding photoelectric property to obtain a covalently grafted binary composite material, i.e., rGO-p-Pc. The material and the preparation method thereof provided by the invention have the advantages that the method is simple and convenient to operate, and the yield rate reaches 95%; and the specific capacitance of the electrode material reaches 600F.g<-1>, and the cyclic stability is high.

The invention discloses a method for determining trace hydrogen peroxide based on tetrasulfo nickel phthalocyanine. The method comprises the following steps: respectively adding an HAc-NaAc buffer solution, a NiPcS4 solution and an OPD solution into 11 colorimetric tubes; sequentially adding 0.0 mL of H2O2 solution with the concentration of 1.2 * 10 <-5 > mol / L, 0.003 mL of H2O2 solution with theconcentration of 0.003 mL, 0.005 mL of H2O2 solution with the concentration of 0.005 mL, 0.006 mL of H2O2 solution with the concentration of 0.008 mL, 0.013 mL of H2O2 solution with the concentrationof 0.027 mL, 0.054 mL of H2O2 solution with the concentration of 0.081 mL, 0.108 mL and 0.137 mL; respectively adding the nanogold solution after 15 minutes, diluting to 5mL after 2 minutes, and scanning a scattering spectrum on a fluorophotometer in a lambda ex = lambda em manner. The scattering intensity I700nm of the H2O2 solution and the scattering intensity I0 of the reagent blank without H2O2 are respectively measured at the wavelength of 700nm, and the difference value delta I700nm = I700nm-I0 is calculated. The determination method is good in selectivity and high in sensitivity.

The invention discloses a method for printing a graphene / silver composite pattern by using a phthalocyanine nickel complex in a micro contact manner. The phthalocyanine nickel complex is prestox phthalocyanine nickel. The method comprises the following steps: by taking a dichloromethane solution of prestox phthalocyanine nickel as a printing agent of the micro contact printing, transferring a pattern of a PDMS seal to a polyimide substrate, further adsorbing and reducing graphene and silver, and finally obtaining delicate metal patterns on the substrate. By using the micro contact printing method, the graphene patterns can be printed on the surface of the polyimide substrate which is frequently used in the electronic industry, and a novel idea is provided for the micro contact printing industry.

The method of making thin film humidity sensors uses thermal vapor deposition or drop casting techniques to fabricate nickel phthalocyanine-fullerene-based (NiPc-C60) quick response humidity sensors with negligible hysteresis. Prior to the deposition of aluminum electrodes, a glass substrate is cleaned by using acetone in an ultrasonic bath for 10 minutes. After cleaning, the substrate is washed with de-ionized water and then dried. A gap is created between two electrodes by masking the glass substrate with copper wire. This assembly is plasma-cleaned for 5 minutes in a thermal evaporator. Subsequently aluminum (Al) thin films are deposited on the assembly. Next, a mixture of equal parts NiPc-C60 is deposited onto the gap between the Al electrodes by thermal vapor deposition or by drop casting. A method of forming NiPc-graphene oxide (NiPc-GO) humidity sensors without using instrumentation drop casts an NiPc-GO suspension onto aluminum foil electrodes taped to a substrate.

The invention discloses a method for determining trace hydrogen peroxide based on tetracarboxyl nickel phthalocyanine. The method comprises the following steps of in seven colorimetric tubes, respectively adding an HAc-NaAc buffer solution, a NiC4Pc solution and an OPD solution and sequentially adding 0.0 mL of a H2O2 solution with the concentration of 1.97 * 10 <-5 > mol / L, 0.0017 mL of a H2O2 solution with the concentration of 0.0017 mol / L, 0.0025 mL of a H2O2 solution with the concentration of 0.005 mol / L, 0.01 mL of a H2O2 solution with the concentration of 0.02 mL and 0.04 mL of a H2O2 solution with the concentration of 0.04 * 10 <-5 > mol / L; reacting in a water bath at 25 DEG C for 15 minutes, adding a nanogold solution into each branch pipe, diluting to 5mL by using secondary distilled water after 4 minutes, and scanning a scattering spectrum on a fluorophotometer in a lambda ex = lambda em manner; and respectively measuring the scattering intensity I700nm of the H2O2 solutionand the scattering intensity I0 of the reagent blank without H2O2 at the wavelength of 700nm, and calculating the scattering intensity difference delta I700nm = I700nm-I0. The method is good in selectivity and high in sensitivity.

The invention provides preparation of a carbon electrode, a plant morin detection method and application. The preparation of the carbon electrode comprises the following steps: 1) preparing a MoSn (OH) 6 nano precursor by taking a Co (CH3COO) 2.4 H2O aqueous solution, a Na2SnO3. 4H2O aqueous solution and NaOH as raw materials; (2) preparing a molybdenum-tin bimetallic oxide-carbon hybrid material by taking the sunflower seed husk biomass material, the MoSn (OH) 6 nano precursor and KOH as raw materials; (3) preparing a molybdenum-tin bimetallic oxide-carbon electrode by taking the molybdenum-tin bimetallic oxide-carbon hybrid material and a naphthol methanol solution as raw materials; and 4) preparing the nickel phthalocyanine / molybdenum-tin bimetallic oxide-carbon electrode by taking a CHCl3 solution of nickel phthalocyanine and the molybdenum-tin bimetallic oxide-carbon electrode as raw materials. The carbon electrode prepared by the invention can monitor morin in plants in situ in real time based on a biosensing technology, solves the problems of complex sample pretreatment and only in-vitro detection in the prior art, and utilizes a hybrid material prepared from green and environment-friendly biomass charcoal.

The invention discloses a nano silicon-carbon composite material for the negative electrode of a lithium battery. The composite material is prepared from the following raw materials in parts by weight: 52 to 58 parts of nano silicon powder, 125 to 130 parts of phenylaminomethyltriethoxysilane, 80 to 85 parts of graphite, 2500 to 3000 parts of ethylene diamine, 400 to 450 parts of 4-dimethylamino pyridine, 230 to 270 parts of dimethyl sulfoxide, 28 to 32 parts of nano sodium chloride powder, and 34 to 37 parts of nickel phthalocyanine. The provided composite material has a good circulation performance and charge-discharge performance and an important market value and social value, and will not become agglomerated during the preparation process, nano silicon is fully dispersed, and the properties of the material are guaranteed.

The invention belongs to the technical field of composite materials, and relates to a preparation method of a phthalocyanine-derived functional carbon quantum dot modified CIZS quantum dot (CIZS-CDs-NiPc) composite photocatalyst, wherein the preparation method comprises the steps: dispersing carbon quantum dots (CDs) and nickel phthalocyanine (NiPc) in dimethyl sulfoxide, uniformly mixing, and carrying out solvothermal reaction for 2-4 hours at the temperature of 110-140 DEG C to prepare a CDs-NiPc precursor; and dispersing CIZS quantum dots in water, adding the CDs-NiPc precursor, ultrasonically stirring uniformly, carrying out hydrothermal reaction for 3-4 hours at the temperature of 100-110 DEG C, cooling to room temperature, washing with ethanol cleanly, and drying to obtain the CIZS-CDs-NiPc composite photocatalyst. The invention also discloses an application of the prepared catalyst in photocatalytic hydrogen production. The method is simple in process, low in cost, easy to obtain, convenient for batch production, non-toxic and harmless, and meets the environment-friendly requirement. Under the excitation of visible light, photo-generated holes are rapidly transferred to NiPc through the carbon quantum dots to greatly reduce the occurrence of recombination, so that more electrons are used for hydrogen production reaction, and the photocatalytic performance is improved.

The invention discloses a spectrophotometric method for quantifying the total lipid content and the application thereof. According to the depolymerization mechanism of lipid on a phthalocyanine aggregate, tetra-sec-octyloxy nickel phthalocyanine is used as a colorimetric material, and petroleum ether is used as a solvent to accurately quantify the total lipid content. The method comprises the steps that (1) according to standard curve preparing, a phthalocyanine solution of specific concentration is prepared; squeezed peanut oil is used as the standard lipid, and an oil-free solution is used as a reference; analyzing is carried out at 675 nm; coordinate points between the absorbance and the peanut oil concentration are fitted to acquire a linear equation; (2) according to lipid extraction,a sample to be analyzed is weighed, extracted, distilled and weighed, and lipid is recovered; and (3) according to total lipid quantifying, the phthalocyanine solution of 2.5 mL is taken and mixed with the recovered lipid sample of 0.5 mL; a lipid-free sample solution is used as a reference; analyzing is carried out at a characteristic wavelength; the absorption of the lipid sample of the same volume is removed; substituting into a linear equation is carried out; the lipid concentration, the corresponding lipid quality and the total lipid content are calculated. Compared with a traditional extraction / weighing method, the method is more accurate and can avoid the influence of a residual solvent in the recovered sample.

The invention discloses an organic triode manufacturing method and an organic triode, and relates to the technical field of photovoltaic power generation. According to the manufacturing method of the organic triode, a back electrode, an organic cushion layer, a mask layer, a field oxide layer side wall, an aluminum oxide thin film layer, a polycrystalline germanium-silicon layer, an emitting electrode base region, a base electrode base region, an organic chemical layer, a first contact hole, a second contact hole, a first convex point, a second convex point, a polycrystalline silicon layer and a metal layer are sequentially formed, and then the organic triode is obtained. The size of the triode can be effectively reduced, and application of the triode is facilitated; the triode is small in size, so that heat dissipation of the triode is facilitated; organic matter such as nickel phthalocyanine is added into the organic triode, and a good field emission effect can be formed between the control electrode and the emission electrode, so that field emission carriers of the emission electrode can be triggered at low voltage. Therefore, the large amplification factor can be achieved, and the high reaction speed can be achieved.

The invention discloses a preparation method and application of a high-efficiency carbon nanosheet supported fuel cell positive electrode material. According to the method, the NiCo alloy nanoparticleloaded carbon nanosheet supported electrode material is directly generated on the surface on the basis of maintaining the morphology of the amorphous Co-B nanosheet by utilizing carbonization of nickel phthalocyanine and the Co-B nanosheet under high temperature and reduction reaction of metal ions under the premise that BH4- reduces Co2+ ion to synthesize a Co-B amorphous template. With application of different kinds of metal phthalocyanines, the metal composition of alloys can be controlled effectively. Furthermore, NiCo@BNC-800 having the nanosheet morphology exhibits excellent performance. In the oxygen reduction reaction of the fuel cell positive electrode, the starting potential is 1.03 V and the half-wave potential is 0.85 V, which is higher than that of commercial Pt / C electrode.Meanwhile, the stability and the methanol resistance of the composite electrode are better than those of the commercial Pt / C electrode. A general and simple method can be provided for synthesizing thehigh-efficiency fuel cell positive electrode material.

The invention relates to an organic electroluminescent device and a packaging method thereof. The organic electroluminescent device comprises an anode, a cavity injection layer, a cavity transmission layer, a luminescent layer, an electron transmission layer, an electron injection layer and a cathode which are successively stacked, and five to seven protection layers stacked on the cathode. Each protection layer comprises an organic barrier layer and an inorganic barrier layer stacked on the organic barrier layer. Each organic barrier layer is formed by doping phthalocyanine to one from copper phthalocyanine, zinc phthalocyanine, iron phthalocyanine, cobalt phthalocyanine, manganese phthalocyanine and nickel phthalocyanine. Each inorganic barrier layer is formed by aluminum nitride, titanium nitride, vanadium nitride, niobium nitride, zirconium nitride or tantalum nitride. The compact protection layers formed by organic materials and inorganic materials can effectively reduce corrosion by external active substances such as water, oxygen and the like to the organic layer and the cathode, and the five to seven protection layers can satisfy the sealing performance for packing and provide effective protection for the organic layer and the cathode, thus the service life of the organic electroluminescent device can be longer.

The invention discloses a spectrophotometric method for quantifying total lipid content and its application. According to the depolymerization mechanism of lipids to phthalocyanine aggregates, tetra-sec-octyloxynickel phthalocyanine is used as a colorimetric material and petroleum ether is used as a solvent. Quantification of total lipid content. There are three steps: (1) Make a standard curve. Prepare a specific concentration of phthalocyanine solution, use pressed peanut oil as standard lipid, and oil-free sample solution as reference, analyze at 675nm, and fit the coordinate points between absorbance and peanut oil concentration to obtain a linear equation. (2) Lipid extraction. Weigh the sample to be analyzed, extract, evaporate the solvent and weigh to recover the lipid. (3) Total lipid quantification. Take 2.5mL of phthalocyanine solution, mix it with 0.5mL of the recovered lipid sample, and use the lipid-free sample solution as a reference, analyze at the characteristic wavelength, remove the absorption of the same volume of lipid sample, and substitute into the linear equation to calculate the lipid concentration and the corresponding lipid amount and total fat content. Compared with the traditional extraction / weighing method, this method is more accurate and can avoid the influence of residual solvent in the recovered sample.

The invention relates to a method for determining molybdate radicals by using a tetrasulfo nickel phthalocyanine-lead (II) optical probe, which is characterized in that water-soluble tetrasulfo nickel phthalocyanine (NiS4Pc) and Pb < 2 + > ions can form an insoluble compound, and various acid radical ions can dissolve the compound; in the presence of low-concentration benzenesulfonic acid, the dissolving effect of most anions on precipitates is inhibited, only MOO4 < 2-> ions can still dissolve the NiS4Pc-Pb (II) precipitate compound to release NiS4Pc, and a solution phase shows the characteristic color and absorption of NiS4Pc, which indicates that the NiS4Pc-Pb (II) compound has high specific response performance to molybdate radicals. According to the invention, NiS4Pc-Pb (II) is taken as a specific recognition probe of MOO4 < 2->, a novel quantitative analysis method of MOO4 < 2-> is established, the specificity is strong, the stability is excellent, the operation is simple, convenient and rapid, the reaction system is characteristic blue, and the method is suitable for visual observation.

The invention relates to the technical field of a fuel cell proton exchange membrane and discloses a modified perfluorosulfonic acid composite membrane. The modified perfluorosulfonic acid composite membrane is dispersed with metal phthalocyanine having a mass percentage of 0.8% to 2%, wherein the metal phthalocyanine includes at least one of copper phthalocyanine, nickel phthalocyanine and cobaltphthalocyanine. The composite membrane has good electrical conductivity and thermal stability. The invention also provides a preparation method of the composite membrane above. The method comprises the step of heating a membrane-forming solution containing the metal phthalocyanine and perfluorosulfonic acid to form the membrane, wherein the mass ratio of the metal phthalocyanine to the perfluorosulfonic acid is 0. 8-2:100. The method can prepare the proton exchange membrane with good electrical conductivity and thermal stability. The invention also provides a fuel cell, which comprises the composite membrane above, so that the fuel cell is good in battery performance. The invention also provides an electric appliance. The electric appliance comprises the fuel cell above, so that the electric appliance has good power supply performance.

A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer selected from the group consisting of polyimide, polyamide, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, and combinations thereof, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight. Preferably, the phthalocyanine compound is selected from copper phthalocyanine, zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof.

The invention discloses a method for preparing a graphene / carbon nanotube composite material by solid-phase cracking technology. The heating method is to raise the temperature to the pyrolysis autocatalysis temperature, and obtain the final graphene / carbon nanotube composite material by one-step pyrolysis. Using nickel phthalocyanine compound and its derivatives as the only starting material, one-step solid-phase cracking to obtain azagraphene / carbon nanotube composite materials; the cracking temperature is low, saving energy consumption; using inert gas protection, it can be used in a non-hydrogen atmosphere environment The final material is obtained by medium pyrolysis, which has high safety; the nitrogen atoms of the molecular skeleton of the raw material compound remain in the final graphene / carbon nanotube composite skeleton after high temperature pyrolysis, becoming a better conductive material.