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34 results about "Oxidation-Reduction Activity" patented technology
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Composite photocatalytic system CQDS-KNbO3, preparation method and application thereof
ActiveCN106902803AStrong reductionWater/sewage treatment by irradiationWater contaminantsOxidation-Reduction ActivityHydrogen
The invention relates to a composite photocatalytic system CQDS-KNbO3, a preparation method and application thereof. The preparation method includes the following steps: dissolving CQDS (carbon quantum dots) in deionized water; adding KNbO3 into CQDS water solution; stirring the solution for 1 hour and drying the solution at the temperature of 80 DEG C to obtain the composite photocatalytic system CQDS-KNbO3. The composite photocatalytic system CQDS-KNbO3 with strong oxidation-reduction activity can produce hydrogen while degrading an organic pollutant under visible light radiation, the pollutant is regarded as a resource, and clean energy is generated while environment management is realized.
Owner:LIAONING UNIVERSITY
Method and plant for chemical looping oxidation-reduction combustion of a gaseous hydrocarbon feedstock with intermediate catalytic steam reforming of the feed
ActiveUS20170320731A1Easy to processSmall sizeFluidized bed combustionHydrogenSteam reformingCombustion
The invention relates to a method and to a plant for chemical looping oxidation-reduction combustion (CLC) of a gaseous hydrocarbon feed, for example natural gas essentially containing methane. According to the invention, catalytic steam reforming of the feed is performed between two successive feed combustion steps on contact with an oxidation-reduction active mass in form of particles. The reforming catalyst is arranged in a fixed bed in an intermediate reforming zone (130) between the two reduction zones (120, 140) where the two combustion steps are conducted.FIG. 2 to be published.
Owner:INST FR DU PETROLE +2
Preparation and applications of biocarbon supported thermally activated iron containing ore composite material
InactiveCN110841594ALow priceSimple manufacturing methodOther chemical processesWater contaminantsOxidation-Reduction ActivityMining engineering
The invention relates to preparation and applications of a biocarbon supported thermally activated iron containing ore composite material. Thermally activated iron containing ores are loaded on the surface of biocarbon. The preparation method comprises following steps: grinding iron containing ores and a biomass material, then evenly mixing ores and the biomass material according to a certain massratio, evenly pressing and moulding the mixture, burning the mixture in a reductive atmosphere, naturally cooling, and milling the mixture in an anaerobic atmosphere to obtain fine powder, namely thebiocarbon supported thermally activated iron containing ore composite material. The prepared biocarbon supported thermally activated iron containing ore composite material has the characteristics oflarge specific surface area, high stability, and strong oxidizing-reducing activity. Compared with biomass or thermally activated iron containing ores, the composite material has a prominently improved performance on removing or stabilizing heavy metal ions in water and soil, and thus can be used to process heavy metal pollution of water and soil.
Owner:CENT SOUTH UNIV
Method for detecting endotoxin
ActiveCN102866187AAccurate detectionRealize detectionMaterial electrochemical variablesOxidation-Reduction ActivityMedical equipment
The invention discloses a method for detecting endotoxin. The method includes a material with oxidation reduction activity is added in tachypleus amebocyte lysate, a sample to be tested is added in the tachypleus amebocyte lysate, the sample to be tested may comprise the endotoxin, an oxidation reduction potential corresponding to the material with the oxidation reduction activity is exerted on the tachypleus amebocyte lysate, size of current passing through the tachypleus amebocyte lysate is monitored in real time simultaneously, and concentration of the endotoxin in the sample to be tested is obtained. Logarithm linear relationship exists between the concentration of the endotoxin added in the tachypleus amebocyte lysate and a time dropping point of the current passing through the tachypleus amebocyte lysate. Viscosity change in a tachypleus amebocyte lysate solidification process is shown through an electrochemical process directly, interference of sample colors is avoided, detection of the endotoxin can be achieved rapidly and accurately, and the method for detecting the endotoxin can be widely applied to the field of drug quality control, medical equipment pyrogen monitoring and the like.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH
Vanadium battery capacity attenuation reducing method
InactiveCN104900898AReduce penetrationPromote migrationRegenerative fuel cellsOxidation-Reduction ActivityUltrasound attenuation
The present invention provides a vanadium battery capacity attenuation reducing method, in the process of vanadium battery charge and discharge circulation, a forward osmosis driving fluid additive is added into the electrolyte at the electrolyte osmotic pressure reducing side, the additive may not affect the electrolyte oxidation reduction activity, through the balancing of positive and negative electrode electrolyte osmotic pressure difference, vanadium ion penetration and water migration in a vanadium battery can be inhibited, the vanadium battery capacity attenuation in the circulation process can be effectively reduced, and the coulombic efficiency of the vanadium battery is improved. The method is simple and practical, and the vanadium battery service life is greatly improved.
Owner:NANJING UNIV OF TECH
High-oxidation-reduction-activity bovine serum albumin-carbon nanotube composite electrode, preparation method thereof and application of composite electrode
InactiveCN107782777ASimple and fast operationRaw materials are easy to getMaterial analysis by electric/magnetic meansOxidation-Reduction ActivityElectricity
The invention belongs to the technical field of biomedical composite materials, and discloses a high-oxidation-reduction-activity bovine serum albumin-carbon nanotube composite electrode, a preparation method thereof and an application of the composite electrode. Carbon nanotubes (CNTs) are dispersed under the action of an ultrasonic wave and bovine serum albumin (BSA) and are dropped onto a conductive substrate, the conductive substrate is activated by a drying and continuous circulation voltmeter-ammeter method to prepare the BSA-CNTs composite electrode, and non-oxidation-reduction transthyretin high-oxidation-reduction-activity is given. The preparation method has the advantages that the method is rapid, simple and convenient to operate, low in cost and environmentally friendly, efficient and stable, raw materials are easily acquired and the like. The method has a wide application prospect in the field of biological analysis and electro-catalysis.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Hybrid film of binuclear ruthenium complex and rare earth heteropolymetalate and sensing nature of hybrid film
InactiveCN104892678ARuthenium organic compoundsMaterial electrochemical variablesRare earthLinear relationship
The invention provides a self-assembly hybrid film with oxidation-reduction activity of rare earth heteropolymetalate and binuclear ruthenium (II) complex, and relates to a preparation method for the self-assembly film of the rare earth heteropolymetalate and the binuclear ruthenium (II) complex as well as evaluation of the electrocatalytic oxidation activity to nitrite. The film is prepared from the rare earth heteropolymetalate K15[Eu(BW11O39)2] and the binuclear ruthenium (II) complex [RuBPBH](ClO4)4 through an electrostatic layer-by-layer self-assembly method. Three-layer (EuBW / RuBPBH)3 film modified electrodes have remarkable electrocatalytic oxidation effect on the nitrite, catalytic peak current and the concentration of sodium nitrite are in a linear relationship within certain concentration range, and the self-assembly hybrid film has potential application prospects in chemical sensors.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
Electrochemical immunosensor for detecting tiamulin antigen and preparation method thereof
InactiveCN112730562AHigh sensitivityHighly Selective Quantitative DetectionMaterial electrochemical variablesElectrochemistryBiology
The invention provides an electrochemical immunosensor for detecting tiamulin antigen and a preparation method thereof. According to the invention, AgNPs is reduced to GO in situ to obtain the Ag-GO nano composite material, and the Ag-GO nano composite material shows good conductivity and oxidation-reduction activity. Perfluorosulfonic acid has excellent film-forming ability and high chemical stability and is used as a dispersing agent to obtain an Ag-GO-Nf composite solution, and the composite solution is used for modifying the surface of a basic electrode. Then, gold nanoparticles are electrodeposited on the surface of Ag-GO-Nf, and the effects of fixing an antibody and amplifying an electrochemical signal are achieved. The electrochemical immunosensor constructed by applying the method is simple, convenient, efficient and sensitive, has a wide detection range and a low detection limit when being used for detecting tiamulin antigens, and has good accuracy when being applied to detection of tiamulin residues in samples of animal-derived foods such as eggs, pork and pork livers.
Owner:河南中泽生物工程有限公司
High-performance electrochromic capacitor bifunctional device and manufacturing method thereof
The invention relates to a high-performance electrochromic capacitor bifunctional device and a manufacturing method thereof. According to the technical scheme, the electrochromic capacitor bifunctional device is of a sandwich structure formed by taking conductive glass loaded with a polymer coating as a working electrode, liquid ionic liquid as an electrolyte and conductive glass loaded with a PW12-TiO2 composite film as a counter electrode. According to the invention, the PW12-TiO2 composite film with oxidation-reduction activity is used as a counter electrode of a conjugated polymer-based electrochromic device; under the condition that non-aqueous and non-acidic electrolytes are used, the characteristics of double stability, high color contrast and high specific capacitance are achieved;the charge storage amount in the device can be judged through the external color of the device because of color change in the charging and discharging process, and the method is a novel method for manufacturing the high-performance electrochromic capacitor bifunctional device.
Owner:LIAONING UNIVERSITY
Iron-manganese composite chromium-removal material and preparation method thereof
InactiveCN110813228ALow priceSimple manufacturing methodOther chemical processesSolid waste disposalReduction ActivityOxidation-Reduction Activity
The invention relates to an iron-manganese composite chromium-removal material and a preparation method thereof, and belongs to the technical field of environmental materials. According to the preparation method, under the regulation and control of a heating and reducing gas atmosphere, uniformly mixing iron and manganese minerals according to a certain proportion; the prepared iron-manganese composite material with high adsorption capacity can solidify heavy metal chromium Cr (VI) in water and soil, and has the characteristics of high adsorption capacity, wide pH application range, high stability, high oxidation-reduction activity, environment friendliness, strong and long lasting solidification effect and the like. The preparation method of the novel chromium removal material is simple,green and economical, and the application prospect in the aspects of purification treatment of Cr (VI)-containing wastewater and remediation of Cr (VI) contaminated soil is promising.
Owner:CENT SOUTH UNIV
<Pi>-type-conjugated oxidation reduction polymer modified lead storage battery and preparation method therefor
ActiveCN106920935AExtend discharge timeExtended service lifeLead-acid accumulatorsCell electrodesPolymer modifiedHigh rate
The invention relates to the field of a lead-acid storage battery, and discloses a <pi>-type-conjugated oxidation reduction polymer modified lead storage battery and a preparation method therefor. Positive electrode lead paste of the battery comprises 98.5-99.5 parts of lead powder, 0.2-0.8 parts of additive and 0.3-0.7 parts of mixed polymer powder; and the mixed polymer powder is prepared from a <pi>-type-conjugated oxidation reduction polymer, a surface anti-oxidation functional group sulfonated arene polymer and single-wall carbon nanotubes. The active material of the lead storage battery comprises the surface-modified and anti-oxidation functional group conjugated oxidation reduction polymers, so that strong electronic storage capability and rapid electronic reaction speed are achieved; the polymers comprise available oxidation reduction nodes, so that relatively strong oxidation reduction activity is achieved; therefore, the lead storage battery has relatively high energy density, and the discharging time of the battery is obviously prolonged in a high-rate discharging condition of the battery; and meanwhile, the service life of the battery is prolonged.
Owner:CHAOWEI POWER CO LTD
Composite photocatalytic system cqd s -knbo 3 And its preparation method and application
ActiveCN106902803BStrong reductionWater/sewage treatment by irradiationWater contaminantsOxidation-Reduction ActivityHydrogen
The invention relates to a composite photocatalytic system CQD S ‑KNbO 3 and preparation methods and applications thereof. The preparation method includes the following steps: carbon quantum dots CQD S Dissolve in deionized water, then KNbO 3 Added to Carbon Quantum Dots CQD S In the aqueous solution, stir for 1 hour and dry at 80°C to obtain the composite photocatalytic system CQD S ‑KNbO 3 . Composite photocatalytic system CQD with strong redox activity provided by the invention S ‑KNbO 3 , can achieve the simultaneous production of hydrogen while degrading organic pollutants under visible light irradiation, treating pollutants as a resource, achieving the dual purpose of environmental governance and generating clean energy.
Owner:LIAONING UNIVERSITY
Weather-resistant oil-water mixed gel platform and preparation method and application thereof
ActiveCN112920328AImprove tensile propertiesImprove mechanical propertiesHybrid capacitor electrolytesHybrid/EDL manufactureCross linkerDouble bond
The invention relates to a weather-resistant oil-water mixed gel platform and a preparation and application thereof, a preparation method comprises the following steps: (1) modifying chondroitin sulfate to prepare modified chondroitin sulfate with double bonds as a cross-linking agent; (2) mixing ethylene glycol and water to prepare an oil-water mixed solution; (3) diluting concentrated sulfuric acid with an oil-water mixed solution to obtain a mixed solvent; (4) mixing the prepared cross-linking agent with a solvent, and adding a monomer and a photo-initiation system to prepare a uniform precursor solution; (5) gelling the obtained gel precursor solution to prepare oil-water mixed gel; and (6) loading mercaptopyridine on the prepared oil-water mixed gel to prepare the oxidation-reduction active oil-water mixed gel. Compared with the prior art, the preparation process is convenient and efficient, the material is green and environment-friendly, and the prepared gel platform has all-weather tolerance and ion transfer capability and can be used for preparing electronic energy storage devices.
Owner:TONGJI UNIV
CaMnO3 type perovskite material as well as preparation method and application thereof
PendingCN111994959AHigh activityImprove stabilityFuel and primary cellsCell electrodesReduction ActivityPtru catalyst
The invention discloses a CaMnO3 type perovskite material as well as a preparation method and application thereof. The CaMnO3 type perovskite material with the proper oxygen vacancy is prepared by regulating and controlling the ratio and the pH value of calcium salt, manganese salt and a chelating agent to prepare a powder material, then calcining the powder material at low temperature, calciningthe powder material at high temperature and finally carrying out ammonia gas heat treatment. The preparation method is simple to operate, easy in raw material obtaining, low in cost and capable of realizing mass production. In addition, the CaMnO3 type perovskite material prepared by the method is uniform in particle, large in specific surface area and high in production repeatability, basically has no performance difference in different batches of samples, and is further high in oxidation-reduction activity and good in stability when being used as a catalyst material.
Owner:SUN YAT SEN UNIV
Nuclear parent substituted naphthalimide electrochemical polymerization monomer and preparation method thereof
PendingCN114133391AElectrochemically activeOrganic chemistryTenebresent compositionsMolecular orbital energyOxidation-Reduction Activity
The invention discloses a parent nucleus substituted naphthalimide electrochemical polymerization monomer and a preparation method thereof. According to the invention, a series of D-pi-A (donor-pi-acceptor) type organic dye molecules which take parent nucleus substituted naphthalimide as an acceptor and take triphenylamine or carbazole or thiophene and other elements with electrochemical polymerization activity as donors are synthesized. The electron cloud distribution and molecular orbital energy level distribution of the naphthalimide are adjusted through different parent nucleus substituents. The synthesized D-pi-A (donor-pi-acceptor) type organic dye molecule has excellent oxidation-reduction activity, and can form a thin film through electrochemical polymerization to be applied to the photoelectric field.
Owner:FUZHOU UNIV
Pyridine-bridged double-ruthenium acetylene terminal group compound and preparation method and application thereof
PendingCN111205336AImprove transmission performanceImplement the buildMetallocenesEnd-groupElectrochemistry
The invention relates to the technical field of photoelectric materials, in particular to a pyridine-bridged ruthenium acetylene-terminated compound, which has a structural general formula shown in the specification, in the formula, Py is one of H or CH3, and R' is one of H, F, CH3, OCH3, CHO, COOEt and CN. According to the compound, pyridine and derivatives thereof are used as conjugated bridge chains, metal ruthenium is used as an oxidation-reduction active end group, and an electrochemical method test shows that the compound shows two continuous single-electron oxidation-reduction processes, shows good electron interaction (coupling), has the good charge transmission performance and has the good potential application prospects in the field of molecular wires.
Owner:HENGYANG NORMAL UNIV
Method for preparing functional blue-green algae biochar and applying functional blue-green algae biochar to intensifying anaerobic digestion
ActiveCN114477691AImprove redox abilityIncrease productionWater treatment parameter controlWater contaminantsOxidation-Reduction ActivityMethane yield
The invention provides a method for preparing functional blue-green algae biochar and applying the functional blue-green algae biochar to intensified anaerobic digestion, and belongs to the technical field of solid waste resourceful treatment. The types and number of oxygen-containing functional groups on the surface of the blue-green algae biochar are directionally regulated and controlled by utilizing a hydrogen peroxide surface oxidation method, and the electron gaining and losing capability and the oxidation-reduction activity of the blue-green algae biochar material are remarkably improved. The preparation method of the functional blue-green algae charcoal based on surface oxygen-containing functional group directional regulation and control is established for the first time, and the functional blue-green algae charcoal is applied to an enhanced anaerobic digestion system, so that the methane production starting period can be shortened, the methane production rate is increased, and meanwhile, the methane yield is increased; and the overall efficiency of anaerobic digestion treatment of the organic wastes is further improved.
Owner:JIANGNAN UNIV
Macroporous oxygen carrier solid with a refractory feldspar/feldspathoid, method for the preparation thereof, and use thereof in a chemical-looping oxidation-reduction method
ActiveUS11071971B2Low costLong lastingFluidized bed combustionMolecular sieve catalystsCelsianOxidation reduction
The invention relates to an oxygen carrier solid, its preparation and its use in a method of combustion of a hydrocarbon feedstock by active mass chemical-looping oxidation-reduction, i.e. chemical-looping combustion (CLC). The solid, which is in the form of particles, comprises an oxidation-reduction active mass composed of metal oxide(s) dispersed in a ceramic matrix comprising at least at least one feldspar or feldspathoid with a melting point higher than 1500° C., such as celsian, and has, initially, a specific macroporous texture. The oxygen carrier solid is prepared from a precursor of the ceramic matrix, obtained from a macroporous zeolitic material with zeolite crystals of a specific size, and a precursor of the oxidation-reduction active mass.
Owner:INST FR DU PETROLE +1
Bismuth/graphite phase carbon nitride/bismuthyl bromate composite photocatalyst as well as preparation method and application thereof
ActiveCN112337498APromote absorptionBeneficial transitionGas treatmentWater/sewage treatment by irradiationOxidation-Reduction ActivityPtru catalyst
The invention relates to the technical field of photocatalysts, and particularly discloses a Bi / g-C3N4 / BiOBrO3 composite photocatalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: adding g-C3N4 powder and BiOBrO3 powder in a mass ratio of (1: 1)-(1: 5) into absolute ethyl alcohol, performing reacting, separating out precipitates, and performing washing and drying to obtain a g-C3N4 / BiOBrO3 heterostructure; adding Bi nanoparticles and g-C3N4 / BiOBrO3 heterostructure powder in a mass ratio of (1: 1)-(1: 15) into absolute ethyl alcohol, carrying out ultrasonic reaction, separating precipitates, and performing washing, drying and grinding to obtain the Bi / g-C3N4 / BiOBrO3 composite photocatalyst. The Bi / g-C3N4 / BiOBrO3 composite photocatalyst provided by the invention can fully utilize visible light, has good photon-generated carrier separation efficiency, ensures strong oxidation-reduction activity of the catalyst, and can efficiently degrade pollutants.
Owner:SHIJIAZHUANG TIEDAO UNIV
Method for analyzing and judging grafting success rate of carya cathayensis sarg through proteome succinylation
The invention provides a method for analyzing and judging the grafting success rate of carya cathayensis sarg through proteome succinylation. A carya cathayensis sarg grafting joint part contains 202succinylation proteins. Go classification of the succinylation proteins belongs to the metabolic process, the cell process, the single-species process, stimulation response, protein localization, protein binding, catalytic activity and oxidation-reduction activity correspondingly. The proteins are located in chloroplast, cytoplasm, cell nucleuses, mitochondria, cytoplasmic membranes, vacuole membranes, intercellular substances or endoplasmic reticula. It is discovered that after grafting of the carya cathayensis sarg, the 202 proteins and 259 loci can be subjected to succinylation for the first time, and the succinylation proteins involved in various biological processes can be used as an identification standard for successful grafting of the carya cathayensis sarg.
Owner:ZHEJIANG FORESTRY UNIVERSITY
Hybrid films of dinuclear ruthenium complexes and rare earth heteropoly complexes and their sensing properties
InactiveCN104892678BRuthenium organic compoundsMaterial electrochemical variablesRare earthLinear relationship
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
Design method of high-specific-energy lithium ion battery with both electrochemical performance and safety performance
ActiveCN113659214AQuick material selectionImprove R&D efficiencyFinal product manufactureElectrical testingOxidation-Reduction ActivityElectrical battery
The invention discloses a design method of a high-specific-energy lithium ion battery with both electrochemical performance and safety performance. The design method comprises the steps of selecting materials, specifically, selecting materials with oxidation-reduction activity under high voltage as materials to be evaluated; conducting preparation, specifically, preparing a lithium ion button battery taking the to-be-evaluated material as a positive electrode; performing evaluation, specifically, verifying the button battery, and evaluating the oxidation capacity and electrochemical performance of the to-be-evaluated material; and conducting material selection, specifically, preferably selecting from the multiple to-be-evaluated materials to obtain the positive electrode material with both electrochemical performance and safety performance. According to the method disclosed by the invention, the positive electrode of the battery is screened by utilizing the high-voltage oxidation-reduction activity and gas production behavior of the positive electrode material, so that the overcharge temperature rise is controlled within a certain range, and the overcharge safety performance of the lithium battery is improved; and meanwhile, the overcharge safety performance of the positive electrode material can be rapidly evaluated, the research and development efficiency is improved, and the development cost is saved.
Owner:SHENZHEN BAK POWER BATTERY CO LTD
Short fiber polyaniline and application thereof in water-based heavy anti-corrosion coating
PendingCN114316259AEnhanced electron transport capabilitiesHigh redox activityAnti-corrosive paintsMonocomponent synthetic polymer artificial filamentEpoxyFiber
The invention relates to short fiber polyaniline and an application thereof in a water-based heavy anti-corrosion coating. The short fiber polyaniline is prepared by the following steps: firstly, uniformly mixing CNT (Carbon Nanotube) which accounts for 1-5wt% of aniline and aniline, performing ultrasonic dispersion, adding water, and uniformly stirring to obtain a suspension; adding concentrated hydrochloric acid, mixing, and adjusting the pH value of the suspension to be below 2; dropwise adding an ammonium persulfate aqueous solution in an ice bath environment of 0-5 DEG C to initiate an aniline oxidation polymerization reaction; and after the reaction is finished, filtering, washing and drying to obtain the product. According to the invention, short-fiber-shaped polyaniline with controllable morphology is synthesized, a small amount of CNT not only has a morphology adjusting function, but also can increase the electron transport performance of polyaniline, and the oxidation-reduction activity of polyaniline is effectively expanded from acidity to neutrality; the short-fiber-shaped polyaniline not only can be easily and uniformly dispersed in the waterborne epoxy grafted acrylic coating, but also the formed coating has the characteristics of excellent toughness, adhesive force and long-acting corrosion resistance.
Owner:YANGZHOU UNIV
A kind of π-type-conjugated redox polymer modified lead storage battery and preparation method thereof
ActiveCN106920935BStable chemical structureNot easy to decomposeLead-acid accumulatorsCell electrodesHigh ratePolymer science
The invention relates to the field of a lead-acid storage battery, and discloses a <pi>-type-conjugated oxidation reduction polymer modified lead storage battery and a preparation method therefor. Positive electrode lead paste of the battery comprises 98.5-99.5 parts of lead powder, 0.2-0.8 parts of additive and 0.3-0.7 parts of mixed polymer powder; and the mixed polymer powder is prepared from a <pi>-type-conjugated oxidation reduction polymer, a surface anti-oxidation functional group sulfonated arene polymer and single-wall carbon nanotubes. The active material of the lead storage battery comprises the surface-modified and anti-oxidation functional group conjugated oxidation reduction polymers, so that strong electronic storage capability and rapid electronic reaction speed are achieved; the polymers comprise available oxidation reduction nodes, so that relatively strong oxidation reduction activity is achieved; therefore, the lead storage battery has relatively high energy density, and the discharging time of the battery is obviously prolonged in a high-rate discharging condition of the battery; and meanwhile, the service life of the battery is prolonged.
Owner:CHAOWEI POWER CO LTD
Electro-osmotic pump system, manufacturing method of functional electrode of electro-osmotic pump system and fluid conveying method
ActiveCN113300568ASolve the problem of not being able to work stably for a long timeThe problem of not being able to work stably for a long time will not occurElectric motor controlManufacturing dynamo-electric machinesOxidation-Reduction ActivityControl engineering
The invention relates to an electroosmotic pump system, a manufacturing method of a functional electrode of the electroosmotic pump system and a fluid conveying method. The electroosmotic pump system comprises a liquid storage tank, an electroosmotic driving module, a fluid pipeline, a plurality of valves, a power supply and a control module; the electroosmosis driving module comprises a functional electrode with reversible oxidation-reduction activity; the fluid pipeline comprises two communicated three-way pipelines, the electro-osmosis driving module is arranged at the communication position of the two three-way pipelines, each three-way pipeline is communicated with the liquid storage pool and the outside, and the valves are opened or closed to form a fluid channel for target liquid to flow to the outside after flowing through the electro-osmosis driving module from the liquid storage pool; and the flowing directions of the target liquid flowing through the electroosmosis driving module in the first fluid passage and the second fluid passage are opposite. According to the electroosmotic pump system, the functional electrode with reversible oxidation-reduction activity, the first fluid passage and the second fluid passage are arranged, so the oxidation-reduction activity of the functional electrode can be repaired, and the electroosmotic pump can stably work for a long time.
Owner:HANGZHOU WEIMING XINKE TECH CO LTD +1
Method for detecting endotoxin
ActiveCN102866187BAccurate detectionRealize detectionMaterial electrochemical variablesOxidation-Reduction ActivityMedical equipment
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH
Preparation method and application of an iron porphyrin chloride/methylene blue@metal organic framework composite electrode
ActiveCN106111196BStrong oxidizingAccurate detectionOrganic-compounds/hydrides/coordination-complexes catalystsMaterial electrochemical variablesPorphyrinCatalytic oxidation
The invention provides a preparation method and application of an electrode of a composite material of an iron porphyrin chloride / methylene blue @metal-organic framework. Iron porphyrin chloride (FeTCPP) is encapsulated to a Zn metal-organic framework (MOF) by a one-pot method, a composite material of the metal-organic framework has negative charges in a solution, and cationic dye methylene blue (MB) with oxidation-reduction activity can be absorbed. The composite material is modified to the surface of a glass carbon electrode, and dopamine can be catalyzed and oxidized so that an electrical signal can be produced, sensitive detection for the dopamine is realized by an electrochemical method, the lowest detection limit can reach 0.48fM, and the detection range is wide. The composite material of the metal-organic framework disclosed by the invention is synthesized for the first time, and besides, the composite material of the metal-organic framework is also applied to the field of electrochemical sensing for the first time, the method is simple, the cost is low, and high electrochemical sensing sensitivity indicates that the composite material of the metal-organic framework functionalized by porphyrin and methylene blue has good application prospects in the field of electrochemical and biological sensing.
Owner:QINGDAO UNIV
Pd/TiO2atCNT catalyst and preparation method thereof
InactiveCN102744058BImprove electrocatalytic activityImprove corrosion resistanceMetal/metal-oxides/metal-hydroxide catalystsOxidation-Reduction ActivityNanoparticle
The present invention discloses a Pd / TiO2atCNT catalyst and a preparation method thereof. According to the catalyst, Pd nanoparticles are adopted as a component having catalytic activity, and a TiO2atCNT composite material is adopted as a carrier. The preparation method comprises the following steps: respectively carrying out a pretreatment on titanium dioxide and carbon nanotubes; adopting the pretreated titanium dioxide and the pretreated carbon nanotubes as raw materials; adopting a chemical method to carry out synthesis to obtain a TiO2atCNT composite material; dispersing the TiO2atCNT composite material in an aqueous solution of PdCl2; and adding a reducing agent sodium borohydride to uniformly load palladium nanoparticles on the TiO2atCNT composite carrier. The Pd / TiO2atCNT catalyst prepared by the method of the present invention has high and stable electrochemical oxidation reduction activity.
Owner:NANJING UNIV
Flat roof chemical looping combustion reactor
PendingUS20220082249A1Limit strong fluctuationMaintain mechanical strengthFluidized bed combustionIndirect carbon-dioxide mitigationOxidation-Reduction ActivityEngineering
The present invention concerns a combustion reactor (300) for chemical looping combustion (CLC) configured to operate in a fluidised bed, comprising:a lower chamber (320) forming a first reaction zone for the combustion of a hydrocarbon feedstock in the presence of particles of an oxidation-reduction active mass, comprising a first side wall and being configured to include a dense fluidised bed;an elongate upper chamber (340) with smaller passage cross-section than that of the lower chamber, forming a second reaction zone for the combustion of gaseous effluents originating from the combustion in the lower portion, comprising a second side wall and being configured to include a dilute fluidised bed;an intermediate portion (330) connecting the two chambers, and including an inner wall forming a right angle with the side walls of the two chambers. The invention also relates to the facility and the CLC process incorporating such a reactor (300).
Owner:INST FR DU PETROLE +1
A bisphenol A electropolymerization film functionalized carbon nanotube/cadmium sulfide composite electrode and its preparation method and application
InactiveCN106290508BControl thicknessImprove bindingMaterial electrochemical variablesTitanium electrodeCarbon nanotube
The invention belongs to the technical field of preparation of functional composite electrodes and discloses a bisphenol A electro-polymerized film functional carbon nanotube / cadmium sulfide composite electrode as well as a preparation method and application thereof. The bisphenol A electro-polymerized film functional carbon nanotube / cadmium sulfide composite electrode is prepared by taking a single-walled carbon nanotube / cadmium sulfide electrode as a photo-anode, a titanium electrode as a counter electrode and a saturated calomel electrode as a reference electrode, and electro-polymerizing bisphenol A on the carbon nanotube / cadmium sulfide composite electrode under visible radiation through applying a continuous differential pulse voltammetry. The preparation method has the advantages of simplicity and convenience for operation, high controllability, low cost, environment protection and the like, and the prepared electrode has good oxidation-reduction activity, cooperatively enhanced light sensitivity and photosensitive conductivity.
Owner:SOUTH CHINA NORMAL UNIVERSITY
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