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32 results about "Nickel phthalocyanine" patented technology

Preparation method of nickel cobalt oxide nanorod composite material wrapped by carbon having microspheric grading structure

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.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

High-efficiency carbon nanosheet supported fuel cell positive electrode material and preparation method and application thereof

ActiveCN110212204AThe synthesis method is simpleSolve the problem of missing many active sitesMaterial nanotechnologyCell electrodesCarbonizationAlloy
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.
Owner:ZHEJIANG UNIV

Magnesium hydride/metal phthalocyanine hydrogen storage composite material and preparation method thereof

ActiveCN108622853AImprove hydrogen release performanceThe initial hydrogen release temperature decreasesHydrogenHydrogen atmosphereHigh energy
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.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for determining trace hydrogen peroxide based on tetracarboxyl nickel phthalocyanine

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.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Preparation of carbon electrode and detection method and application of plant morin

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.
Owner:北京市农林科学院智能装备技术研究中心

Preparation method and application of phthalocyanine-derived functional carbon quantum dot modified CIZS quantum dot composite photocatalyst

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.
Owner:JIANGSU UNIV

Spectrophotometric method for quantifying total lipid content and application thereof

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.
Owner:TIANJIN AGRICULTURE COLLEGE

A kind of carbon nanosheet supported fuel cell cathode material and its preparation method and application

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.
Owner:ZHEJIANG UNIV

Organic electroluminescent device and packaging method thereof

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.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

A Spectrophotometric Method for Quantitative Total Lipid Content and Its Application

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.
Owner:SHENZHEN LOTUT INNOVATION DESIGN CO LTD

Modified perfluorosulfonic acid composite membrane and preparation method thereof, fuel cell and electric appliance

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.
Owner:上海元城汽车技术有限公司
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