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74 results about "Three dimensional electrode" patented technology

Time-frequency space electroencephalogram emotion recognition method based on three-dimensional space position embedding

The invention belongs to the field of electroencephalogram signal processing, and provides a time-frequency space electroencephalogram emotion recognition method based on three-dimensional space position embedding, which comprises the following steps of: firstly, constructing a three-dimensional electrode space position matrix based on an international 10-20 system standard, determining a space adjacency relation between electrodes, and calculating a phase locking value to obtain a functional connection matrix; then, deep feature fusion of an electrode spatial position matrix and a functional connection matrix is realized by adopting a hierarchical cross Transform architecture, the spatial position matrix represents spatial distribution features of a cerebral cortex region, and the functional connection matrix quantifies phase synchronization features of cross-brain region neural oscillation and simulates a brain spatial topological structure; and finally, extracting time, frequency and spatial features of the electroencephalogram signals through combination of a graph attention network and bidirectional long-short-term memory with an attention mechanism for emotion recognition. The method can effectively extract space structure information highly related to the emotional state, and significantly improves the accuracy of emotion recognition.
Owner:XIAN UNIV OF POSTS & TELECOMM

Resourceful treatment process of phenol-ammonia wastewater

The invention discloses a resourceful treatment process for phenol-ammonia wastewater. The process comprises the following steps: pretreating to remove oil, acid and ammonia, and recovering ammonia water; preparing a silicon-based supported phenol oxidase catalyst; carrying out enzyme catalysis polycondensation on the pretreated wastewater to generate polyphenols; residual phenol is deeply removed through electrochemical feeding of the three-dimensional electrode; after polyphenol substances are separated, supernate is subjected to biochemical treatment and is discharged after reaching the standard; and finally, carrying out dehydration, granulation, segmented pyrolysis graphitization and post-treatment on the collected polyphenol sludge to prepare the carbon negative electrode material. According to the method, deep purification of the phenol-ammonia wastewater and collaborative recycling of pollutants are achieved, toxic phenols are converted into carbon material precursors with high additional value, the recycled ammonia water can be used for desulfurization and denitrification of a boiler, and the method has the advantages of being thorough in treatment, high in resource recovery rate, low in cost and remarkable in environmental benefit.
Owner:XIAN SUYUAN ENVIRONMENT TECH CO LTD

Cow dung anaerobic fermentation three-dimensional electrode MEC-fluidized bed reactor based on CSTR and application

The invention discloses a CSTR-based three-dimensional electrode MEC-fluidized bed reactor for anaerobic fermentation of cow dung and application, and belongs to the technical field of microbial electrochemistry. The reactor comprises a reactor main body, a feed port, a discharge port, a gas outlet and a stirring device, an anode and a cathode are arranged in the reactor main body, a conductive three-dimensional particle electrode filler is filled between the anode and the cathode to form a three-dimensional electrode system, and the anode and the cathode are connected with an external power supply. The three-dimensional electrode system is constructed, so that the reaction specific surface area and the electron transfer efficiency are greatly increased, the stimulation effect of a low-voltage electric field is amplified to the whole reaction space, and the technical bottlenecks of low mass transfer efficiency, low methane yield, easiness in system instability and the like in the traditional cow dung anaerobic digestion are solved. Compared with the traditional anaerobic digestion and two-dimensional microbial electrolysis cell, the two-dimensional microbial electrolysis cell disclosed by the invention can obviously improve the methane yield and the system operation stability, and has an excellent engineering application prospect.
Owner:DALIAN UNIV OF TECH

Preparation method and application of Fe-Ni-C ternary three-dimensional electrode

The invention discloses a preparation method and application of a Fe-Ni-C ternary three-dimensional electrode, the preparation method comprises the following steps: firstly, treating a landfill leachate membrane concentrated solution through a three-dimensional electro-Fenton technology, introducing a Fe-Ni-C ternary electrode to construct a three-dimensional electro-Fenton system, and removing refractory organic pollutants in the concentrated solution by anodic oxidation and in-situ Fenton reaction to obtain the Fe-Ni-C ternary three-dimensional electrode. Then, the electrochemical reduction technology is used for treating three-dimensional electro-Fenton effluent, a cathode is used for reducing nitrogen pollutants mainly containing NO3 <->-N, the landfill leachate membrane concentrated solution is treated through the two-stage combined treatment process of three-dimensional electro-Fenton combined electrochemical reduction, and finally efficient treatment of organic matter and nitrogen pollutants in the membrane concentrated solution is achieved.
Owner:CHONGQING UNIV

Preparation and application of MnFeOx / CSA three-dimensional particle electrode for antibiotic wastewater treatment

The invention relates to the technical field of wastewater treatment, and discloses preparation and application of a MnFeOx / CSA three-dimensional particle electrode for antibiotic wastewater treatment.The preparation method comprises the steps that a metal organic framework (Mn-MOF) and sodium alginate are mixed according to the mass ratio of 1.0: 3.2 to prepare homogeneous gel; dropwise adding the gel into a ferrous sulfate solution with the concentration of 0.10 to 0.40 g.L <-1 >, and carrying out cross-linking to obtain hydrogel microspheres; and carrying out vacuum freeze drying and carbonization treatment at 750-850 DEG C in a nitrogen atmosphere to obtain the MnFeOx / CSA three-dimensional particle electrode. The electrode is used as a particle electrode to construct a three-dimensional electrode system, and the antibiotic-containing wastewater is subjected to electrochemical degradation in the presence of an external electric field and persulfate. According to the invention, through an in-situ loading strategy, catalyst agglomeration is effectively inhibited; and the constructed three-dimensional electrode system obviously improves the mass transfer efficiency and the degradation capability on antibiotics.
Owner:XICHANG COLLEGE +1

Coal gasification slag-based composite particle electrode and preparation method thereof, and three-dimensional electrode reaction device

PendingCN122464501ASolar lightSlag
The present application belongs to the technical field of wastewater treatment, and discloses a coal gasification slag-based composite particle electrode, a preparation method thereof, and a solar-driven photoelectric synergistic three-dimensional electrode reactor device. The coal gasification slag-based composite particle electrode is obtained by loading nickel oxide and copper oxide active components on coal gasification fine slag as a carrier after activation treatment. The three-dimensional electrode reactor containing the composite particle electrode comprises a reactor shell, an anode plate, a cathode plate, a particle electrode layer, an aeration system, a solar light condensing device, a solar energy supply system, and a power supply, and preferably further comprises a circulating system. The specific surface area and active sites of the carrier are increased through activation treatment, and the synergistic catalysis of nickel oxide and copper oxide is utilized to achieve simultaneous and efficient removal of ammonia nitrogen and humic acid in landfill leachate. The present application utilizes coal gasification solid waste resources in the field of water treatment, and has simple preparation method, stable particle electrode performance, and high treatment efficiency.
Owner:SHIHEZI UNIVERSITY

Sewage treatment system and method for photocatalytic coupling biological treatment

The invention relates to the technical field of sewage treatment, and discloses a sewage treatment system and method for photocatalytic coupling biological treatment.The sewage treatment system for photocatalytic coupling biological treatment.The sewage treatment system for photocatalytic coupling biological treatment.The sewage treatment system for photocatalytic coupling biological treatmentcomprises a pretreatment unit, a photocatalytic unit, an electrochemical biological unit, a post-treatment unit and an intelligent control unit, the pretreatment unit comprises a microwave-ozone coupling reactor and a magnetic adsorption column; the photocatalysis unit comprises a dual-band reaction tower; the electrochemical biological unit comprises a three-dimensional electrode biological membrane assembly and a FeS2 filler layer, the anode of the three-dimensional electrode biological membrane assembly is boron-doped diamond, and the cathode of the three-dimensional electrode biological membrane assembly is a carbon felt of anaerobic ammonium oxidation bacteria. Through multi-stage cooperative treatment, heavy metal ions and organic matters in the sewage are effectively removed, the removal rate of the heavy metal Cr (VI) is greater than 99.9%, the removal rate of the refractory organic matter benzene is greater than 99.9%, and the method has multi-scene applicability and efficient treatment capacity.
Owner:MCC ECO ENVIRONMENTAL PROTECTION GRP CO LTD

Method and system for designing a three-dimensional electrode structure

A system for designing a three-dimensional electrode structure according to one embodiment of the present application can include a structure forming section configured to form a CBD structure using first design parameters input for a conductive material and a binder (CBD) structure, and to form an electrode structure using second design parameters input for the electrode structure; a calculation section configured to calculate an effective conductivity of the CBD structure using an inherent conductivity of the conductive material and an inherent conductivity of the binder, to calculate an effective conductivity of the electrode structure using an inherent conductivity of an active material, an inherent conductivity of a CBD particle, and an inherent conductivity of a current collector, and to calculate a calculated resistivity of the electrode structure by converting the effective conductivity of the electrode structure into an inverse; a correction section configured to calculate a deviation by comparing a calculated specific resistance with a target resistance, and to correct a variable or a shape of the electrode structure to minimize the deviation; and an inverse section configured to calculate the inherent conductivity of the active material, the inherent conductivity of the CBD particle, the inherent conductivity of the current collector, and third design parameters, all of which are included in the corrected electrode structure.
Owner:LG ENERGY SOLUTION LTD

Electrochemical cell with three-dimensional electrode structure

An electrochemical cell includes a casing that: includes a lower first element in the form of a vessel, the internal surface of which is at least partially covered by a layer of conductive material so as to form the current collector of the first electrode with a first polarity; includes an upper second element in the form of a cover for closing the vessel; houses a three-dimensional electrode structure with a first electric polarity; houses a three-dimensional electrode structure with a second electric polarity opposite to the first electric polarity; and contains an electrolyte as an ionic conductive medium. The three-dimensional electrode structure with the second electric polarity includes a series of electrodes with a second polarity, each of which is an elongated body with a vertical orientation.
Owner:AMPERE SAS

Wastewater treatment system

This invention relates to a wastewater treatment system, comprising a pretreatment device, a three-dimensional electrode catalytic oxidation device, a strong oxidation device, and a separation device. The three-dimensional electrode catalytic oxidation device is connected to the pretreatment device. The three-dimensional electrode catalytic oxidation device includes a housing, an anode electrode plate, a cathode electrode plate, a particle electrode assembly, and a light source assembly. The anode and cathode electrode plates are disposed within the housing, and the particle electrode assembly is disposed between the anode and cathode electrode plates. A accommodating space is provided between the anode, cathode, and particle electrode assembly. The light source assembly is disposed within the accommodating space. The surfaces of the cathode electrode plate and the particle electrode assembly are coated with a photocatalytic coating containing a photocatalyst. The strong oxidation device is connected to the three-dimensional electrode catalytic oxidation device, and the separation device is connected to the strong oxidation device. This invention is highly adaptable and can be applied to the treatment of various types of pollutants.
Owner:RIZHAO HONGCHUAN WAREHOUSING CO LTD

Method for manufacturing a three-dimensional electrode

The application relates to the technical field of semiconductors, and provides a preparation method of a three-dimensional electrode, which comprises the following steps: manufacturing a wafer mask plate, wherein the wafer mask plate is provided with a plurality of first hollow patterns, the shape of each first hollow pattern is matched with the cross-sectional shape of the electrode, and the position of each first hollow pattern is the same as the target position of the electrode on a film-to-be-coated wafer; temporarily bonding the wafer mask plate with the surface of the film-to-be-coated wafer; and evaporating the electrode at the position opposite to the first hollow pattern on the film-to-be-coated wafer. The preparation method of the three-dimensional electrode provided by the application realizes the submicron-level accurate layout of the electrode on the film-to-be-coated wafer by manufacturing the wafer mask plate and temporarily bonding the wafer mask plate with the surface of the film-to-be-coated wafer, so that there is no gap between the wafer mask plate and the film-to-be-coated wafer and the wafer mask plate cannot move relative to the film-to-be-coated wafer, the gap between the evaporated electrode position and the target position is reduced, and the accuracy of preparing the three-dimensional electrode on the film-to-be-coated wafer is improved.
Owner:BEIJING CHENJING ELECTRONICS

Device for electrokinetic focusing and electrical detection of particles and chemical species facilitated by a porous electrode

High-throughput microfluidic devices comprising one or more fluidic microchannels each with at least one flow-through 3D structure comprising a 3D electrode, or alternatively a 3D permselective structure, and optional secondary bead bed(s) are disclosed. Such devices can be used for counter-flow focusing of charged species via ion concentration polarization and in situ quantification of electrokinetically enriched charged species from an ionically conductive solution by both optical and electrical detection.
Owner:IOWA STATE UNIV RES FOUND INC

Preparation method of diamond-based high-activity three-dimensional particle electrode material, three-dimensional electrode reactor and application

The present invention discloses a method for preparing a diamond-based high-activity three-dimensional particle electrode material, a three-dimensional electrode reactor and its application. The method for preparing the electrode material comprises the following steps: purifying the diamond; uniformly mixing the purified diamond with titanium dioxide, silicon carbide and a catalyst, and then pressing and forming; calcining the pressed sample at high temperature to obtain the diamond-based high-activity three-dimensional particle electrode material. The present invention uses a mixture of diamond micropowder, silicon carbide and titanium dioxide as the main raw materials. By adding a suitable catalyst, the silicon carbide and titanium dioxide components melt under high temperature conditions, which not only improves the activity of the electrode material, but also increases the mechanical strength of the electrode material. The process flow of the present invention is simple and easy to operate. The obtained electrode material has good conductivity and strong stability. Filling the material into a three-dimensional electrode reactor can effectively reduce the COD value in organic wastewater.
Owner:WUHAN INST OF TECH +1

Three-dimensional electrode electrochemical device with descaling effect

This invention proposes a three-dimensional electrode electrochemical device with descaling function. It is divided into a softening chamber and an oxidation chamber by a partition. The softening chamber contains multiple cylindrical electrode groups. Under the action of an external electric field, the cathode reaction generates a strongly alkaline environment to precipitate scale-forming ions in the water. A gas flushing mechanism and an external programmable DC regulated power supply effectively achieve automatic descaling. The three-dimensional electrode group in the oxidation chamber consists of several anode plates and cathode plates arranged alternately at equal intervals. Insulating baskets filled with particle packing are placed between adjacent electrode plates. Ultrasonic vibrating plates are integrated around the three-dimensional electrode group. A porous sieve plate and aeration pipeline are installed at the bottom of the three-dimensional electrode group. A spray mechanism with rotating nozzles is installed at the top of the oxidation chamber. The combination of the three-dimensional electrode group, ultrasonic assistance, and circulating spray enhances the oxidation efficiency. This invention removes multiple pollutants from water simultaneously and efficiently in a single reactor without the need for external reagents, through a series of electrochemical reactions. It has the advantages of high treatment efficiency, high automation, and small footprint.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +1

Three-dimensional electrokinetic remediation device and application thereof

The invention discloses a three-dimensional electrokinetic remediation device and application thereof. The device is of a box type structure; the electrokinetic remediation electrolytic tanks are arranged at the two ends of the device, and electrodes and an electrolyte solution are arranged in the electrokinetic remediation electrolytic tanks; the cathode, the anode and the auxiliary electrolyte cavity are arranged between the electrokinetic remediation electrolytic tanks, and the soil column pipe and the auxiliary electrolyte cavity are MnFe2O4 coated GBC; the solute in the electrolyte solution is chitosan salt, Tween X-100 and hydrogen peroxide. The problems that existing biochar only serves as a passive cathode and lacks catalytic sites, and a two-dimensional electrode structure is uneven in electric field distribution and difficult to recycle are solved, MnFe2O4-coated GBC serves as an auxiliary electrode, a three-dimensional electrode structure is constructed, and a customized composite electrolyte is combined, so that the migration ability of pollutants is enhanced, and the service life of the pollutants is prolonged. Fenton-like degradation of organic chlorine pollutants can be promoted, and the remediation efficiency and the treatment uniformity are remarkably improved.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Method for enhancing removal of high-concentration antibiotics by coupling three-dimensional electrode with sulfur-mediated biological system

The invention discloses a method for enhancing removal of high-concentration antibiotics by a three-dimensional electrode coupled sulfur-mediated biological system. The three-dimensional electrode structure is composed of a two-dimensional electrode and pig manure biochar, when the three-dimensional electrode structure is combined with a sulfur-mediated sewage biological treatment system for use, enrichment of functional microorganisms can be promoted, electron transfer and synergistic metabolism among the functional microorganisms can be improved, efficient synergistic removal of COD-sulfate-ammonia nitrogen-sulfamethoxazole can be promoted, and the effect of removing the COD-sulfate-ammonia nitrogen-sulfamethoxazole can be achieved. And a new technology is provided for treatment of wastewater containing carbon, nitrogen, sulfur and antibiotics. Especially in deep treatment of high-concentration antibiotics and pharmaceutical wastewater, the coupling technology can realize efficient removal of pollutants and long-term stable operation of the system, and a technical path with innovativeness and application potential is provided for treatment of complex refractory wastewater.
Owner:SUN YAT SEN UNIV

A treatment method for high-salt mustard wastewater to meet discharge standards and recover feed-grade salt

The invention provides a treatment method for high-salt mustard tuber wastewater, which meets discharge standards and recovers feed-grade salt, and relates to the technical field of wastewater treatment. The method comprises the following steps: S1: centrally storing the high-salt mustard tuber wastewater in a water collection tank for water quality homogenization treatment, and then introducing the wastewater into an anaerobic ammoniation reaction tank to convert organic nitrogen in the wastewater into ammonia nitrogen, and then introducing the wastewater into an STD salt-tolerant and high-efficiency denitrification tank to remove ammonia nitrogen and total nitrogen in the wastewater; S2: the effluent flows into a pH adjustment tank 1 by gravity, and the pH is adjusted to 5-7, and then the wastewater is pumped into a first-level FCD three-dimensional electrode catalytic oxidation reactor to treat macromolecular organic matter and COD organic matter; the invention has strong resistance to shock loads and stable operation, abandons traditional biochemical treatment processes, realizes efficient degradation of pollutants through physical and chemical synergistic technology, is not affected by fluctuations in wastewater salinity and pollutant load, and ensures long-term stable operation; and attaches equal importance to salt resource utilization and pollution prevention and control, and innovatively couples electrolytic oxidation and evaporation crystallization technology to realize efficient separation and purification of NaCl.
Owner:GUANGZHOU S SUNNY ENVIRONMENTAL PROTECTION TECH CO LTD

A three-dimensional electrode detector and its fabrication method

This invention provides a three-dimensional electrode detector and its fabrication method, relating to the field of three-dimensional electrode detector technology. The fabrication process of the three-dimensional electrode detector provided by this invention does not involve multiple deep trench etching processes, and the fabrication process provided by this invention is simple, making it highly feasible.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI LTD

Three-dimensional electrode microfluidic chip based on dielectric wetting for in vitro diagnostics

The present invention discloses a three-dimensional electrode microfluidic chip applied to in vitro diagnosis based on dielectric wetting, and its manufacturing comprises: on a lower insulating substrate provided with a driving electrode array, in accordance with the design requirements of the in vitro diagnostic instrument application scenario, at one or more designated copper-clad plate electrode positions, a copper-embedded block electrode with a groove is embedded into the lower insulating substrate by a copper block embedding process; on the designated copper-clad plate electrode, a fence, slice, groove or / and enclosure with a three-dimensional structure is directly constructed by a metal additive process, and then a dielectric layer is coated on the lower insulating substrate to cover the driving electrode array and the fence, slice, groove or / and enclosure. The present invention constructs three-dimensional structure electrodes, fences, slices, grooves or / and enclosures on the lower substrate through metal additive or / and metal subtractive measures, which meets the design requirements of various application scenarios of in vitro diagnostic instruments.
Owner:AUTOBIO LABTEC INSTR CO LTD

Electrodeposition electrode structure, full-color display structure and preparation method thereof

The application provides an electrodeposited electrode structure, a full-color display structure and a preparation method thereof. The preparation method comprises the following steps: forming a first electrode layer comprising a plurality of first electrode blocks on an insulating substrate, forming a first insulating layer; forming a second electrode layer comprising a plurality of second electrode blocks on the first insulating layer, the first and second electrode blocks being arranged at intervals in the horizontal direction; forming a second insulating layer; forming a plurality of first openings to expose the first electrode blocks; forming third electrode blocks in the first openings; forming a plurality of second openings to expose the second electrode blocks; and forming fourth electrode blocks in the second openings. The electrode prepared on a two-dimensional plane is changed into a three-dimensional electrode, the insulating layer between the electrodes is used to isolate the mutual influence between the electrodes, and the problem that the two-dimensional plane electrode is prone to short circuit is solved. Since the connecting lines of the two layers of electrodes can be arranged up and down, the arrangement area is saved, the pixel spacing is further reduced, and a color conversion film with higher resolution can be obtained.
Owner:SHANGHAI IND U TECH RES INST

A radial flow three-dimensional electrode electrolytic reactor for groundwater treatment and a construction method thereof

The application discloses a radial flow type three-dimensional electrode electrolytic reactor for groundwater treatment and a construction method. The reactor comprises a reaction bin, a sewage pipe located at the center inside the reaction bin, a plurality of radial flow electrode plates arranged in a radial outward mode and in an equidistant manner around the outside of the sewage pipe, a plurality of water outlet holes provided at positions corresponding to the radial flow electrode plates on the outer wall of the lower part of the sewage pipe, and activated carbon carrier electrode particles loaded with Cu-Ce filled in the inside of the reaction bin. The method comprises the following steps: S1, sewage injection, S2, particle electrode injection, and S3, circulation treatment. The three-dimensional electrode is constructed, so that a micro electric field is formed between the cathode and the anode, the mass transfer distance of free radicals and organic matters is greatly shortened, the attachment sites are provided for the catalytic active components, the active components participate in the dissociation of the free radicals and the oxidation-reduction reaction of the organic matters, and the reaction rate of the electrocatalytic reaction and the treatment efficiency of the electrocatalytic process are greatly improved.
Owner:NANJING UNIV +1

A composite macroporous adsorption resin pellet and its preparation method

This invention discloses a composite macroporous adsorption resin sphere and its preparation method, comprising activated carbon spheres, wherein the activated carbon spheres have a metal oxide catalyst loaded on their outer surface, and the outer surface of the activated carbon spheres is constructed with a highly cross-linked macroporous adsorption resin layer. Beneficial effects: Using activated carbon spheres loaded with metal oxide catalysts as the core, low-crosslinked polystyrene spheres are constructed on the surface of the activated carbon spheres through multiple suspension polymerization methods. Finally, a styrene-divinyl composite sphere is formed using a swelling method and a post-crosslinking process. This composite sphere not only possesses the advantages of highly cross-linked macroporous resins—porous structure, high strength, and high adsorption performance—but also exhibits the characteristics of electrocatalytic oxidation of three-dimensional electrode particles. Under electrocatalytic oxidation, the strong oxidizing substances generated on the surface of the activated carbon particles, which act as three-dimensional electrode particles, have the highest concentration at the contact surface between the activated carbon and the resin. In particular, the generated hydroxyl radicals can directly oxidize organic matter adsorbed deep within the resin pores.
Owner:青岛润扬环境科技有限公司

Three-dimensional electrode COD (Chemical Oxygen Demand) degradation device

The utility model discloses a three-dimensional electrode COD (Chemical Oxygen Demand) degradation device which comprises an electro-catalysis tank body, a first bin body is arranged on the front side of an inner cavity of the electro-catalysis tank body, a second bin body is arranged on the rear side of the inner cavity of the electro-catalysis tank body, and three-dimensional electrode integrated modules are arranged in the first bin body and the second bin body. The front surface of the electro-catalysis tank body is electrically connected with an anode power supply, the back surface of the electro-catalysis tank body is electrically connected with a cathode power supply, the three-dimensional electrode integration module is divided into numbers 1-6, the numbers 1, 3 and 5 are electrically connected with the anode power supply, and the numbers 2, 4 and 6 are electrically connected with the cathode power supply. According to the degradation device disclosed by the utility model, the phenomena of low COD treatment effect and non-uniform mixing of wastewater in the prior art are changed, the three-dimensional electrode integration module is aerated and scoured by adopting the aeration pipe, and the wastewater is uniformly mixed in cooperation with the internal circulating pump, so that the use effect of the degradation device is not influenced to a great extent.
Owner:WUHAN JIANGMING ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Radio frequency electrode simulation method and device, computer device and storage medium

The application relates to a radio frequency electrode simulation method and device, computer equipment and a storage medium. The method is applied to a periodic electrode, and the method comprises the following steps: establishing a three-dimensional electrode model according to the type of a radio frequency electrode that needs to be simulated; establishing a simulation model according to the three-dimensional electrode model; performing simulation according to the simulation model and a first formula, and obtaining a plurality of design parameter groups; and obtaining a simulation result of the radio frequency electrode that needs to be simulated according to the plurality of design parameter groups, the first formula and a screening condition. The three-dimensional electrode model comprises boundary conditions and a preset number of periodic electrodes, and the preset number of periods is one period or one-half of a period. The application can improve the simulation speed.
Owner:SHENZHEN INT QUANTUM ACAD

A method and apparatus for remediating pyrene contamination by surfactant-coupled electrocatalytic oxidation.

This application relates to the field of wastewater treatment, specifically disclosing a method and apparatus for the remediation of pyrene pollution using surfactant-coupled electrocatalytic oxidation. The method includes: mixing pyrene-containing pollutants with a surfactant for solubilization treatment; introducing the solubilized medium into a three-dimensional electrocatalytic oxidation reactor for degradation, the reactor employing Ti / Cu-Sb-SnO2 as the anode and SnO2-Sb-supported modified tourmaline as the magnetic particle electrode, and equipped with a magnetic field auxiliary device; circulating the medium between the solubilization and electrocatalytic steps until the pollution meets standards. The corresponding apparatus includes a solubilization unit, a three-dimensional electrocatalytic oxidation unit, and a circulation system. This invention overcomes the mass transfer bottleneck caused by the hydrophobicity of pyrene through surfactant solubilization, and achieves efficient ·OH generation and deep mineralization of pollutants through the synergistic effect of Cu-doped anode, magnetic three-dimensional electrode system, and magnetic field, with a pyrene removal rate as high as 98%, suitable for the remediation of various types of pyrene-containing wastewater.
Owner:SICHUAN UNIV ENG DESIGN & RES INST CO LTD

Aqueous zinc-ion battery composite negative electrode and preparation method and application thereof

PendingCN122638436AElectrical batteryPyrrole
The application relates to a water-based zinc ion battery composite negative electrode and a preparation method and application thereof. The preparation method comprises the following steps: (1) adding propionic acid into p-phthalaldehyde, indium acetate and pyrrole in sequence to obtain a first mixed solution; immersing a three-dimensional carbon skeleton into the first mixed solution; adding a second mixed solution into the first mixed solution drop by drop; and performing airtight reflux after dropwise addition is completed, so that POF@CC is obtained; (2) taking POF@CC as a working electrode, taking a saturated mercury electrode as a reference electrode, taking a zinc sheet as a counter electrode, composing a three-electrode deposition system, depositing zinc by using a constant current method, and obtaining a water-based zinc ion battery composite negative electrode. The application eliminates disordered sheet growth on a pure carbon substrate, induces single-fiber coaxial compact stacking of metal zinc according to a low surface energy crystal face, forms a novel three-dimensional electrode structure which is wrapped in multiple layers and is compact and coaxial, and constructs a high-performance water-based energy storage composite negative electrode which is free of dead zinc, corrosion-resistant and retains macroscopic flexibility.
Owner:润电能源科学技术有限公司

A high-performance integrated oxygen evolution reaction electrode material, preparation method and application

The present invention provides a high-performance integrated oxygen evolution reaction electrode material, preparation method, and application, comprising the following steps: using electrochemical deposition technology to achieve in-situ growth of amorphous manganese oxide on the surface of a high-conductivity three-dimensional electrode material; achieving different manganese oxide crystal structures through high-temperature calcination treatment; and combining cation exchange technology to modify highly active sites on the surface interface of different manganese oxide-loaded three-dimensional electrode materials to achieve the preparation of high-performance acidic oxygen evolution electrodes. The manganese oxide crystal structure obtained using this method is rich in edge-sharing MnO6 octahedral structural elements, which is beneficial for maintaining the structural stability of the catalyst and improving the catalytic activity in the acidic reaction system. The three-dimensional electrode material prepared using the present invention has high acidic oxygen evolution reaction activity and is easy to operate, controllable, and highly reproducible.
Owner:SHANGHAI HANNUO JINGNENG HYDROGEN ENERGY DEV CO LTD

Electrochemical ozone oxidation coupling wastewater treatment device and wastewater treatment method

This invention relates to the field of fine chemical wastewater treatment technology, and discloses an electrochemical ozone oxidation coupling wastewater treatment device and method. The device includes a particle electrode bed and an anode and cathode disposed on the particle electrode bed. The anode is a rod-shaped anode and / or a tubular anode, and the cathode is a tubular cathode with aeration function. The anode and cathode are arranged perpendicular to the bottom of the particle electrode bed. Compared with traditional three-dimensional electrode systems, the device provided by this invention has more ·OH generation pathways, enabling more efficient wastewater treatment. Furthermore, by optimizing the electrode material, shape, and assembly method, the effluent quality can be further improved. In addition, the device provided by this invention has the advantages of not generating secondary pollution and requiring no additional reagents during use, making it easier to manage and promote its application.
Owner:DESIGN ENG OF SYRICI