998 results about "Electrolysis" patented technology

A solid electrolytic capacitor includes a laminate in which capacitor elements each including an anode foil, and cathode foils are laminated, an exterior resin covering the laminate and having a first end face on which a part of each anode foil is exposed and a second end face on which a part of each cathode foil is exposed, an anode external electrode electrically connected to each anode foil at the first end face, and a cathode external electrode electrically connected to each cathode foil at the second end face. A first average distance from an end point on the second end face to the respective cathode foils in the lamination direction on the mounting surface side of the exterior resin is smaller than a second average distance from the end point to the respective cathode foils in a region where the capacitor elements and the cathode foils overlap.

This invention belongs to the field of peak-shaving technology for thermal power units, specifically a deep peak-shaving method for thermal power units that combines electrolytic hydrogen production with ammonia synthesis and energy storage. It integrates an electrolytic hydrogen production with ammonia synthesis and energy storage system, an energy comprehensive utilization system, and a collaborative control system to form a closed-loop peak-shaving system: during off-peak periods, excess electricity from the thermal power unit is collected; during peak periods, the stored ammonia is used to supplement the unit's energy through coal-ammonia co-firing, while oxygen is utilized for oxygen-enriched combustion to enhance peak-shaving and stable combustion capabilities. The synthesized ammonia can also replace purchased ammonia for flue gas denitrification. Through the collaborative control system, the operation of each link is coordinated, achieving efficient energy conversion and precise control. This invention significantly improves the deep peak-shaving and peak-response capabilities of thermal power units, substantially reduces carbon and pollutant emissions, optimizes energy utilization efficiency, extends equipment lifespan, and provides strong support for the green transformation of coal-fired power and the stable operation of new power systems.

The invention relates to an electrolytic hydrogen safe operation boundary construction and application method and system based on dynamic characteristic identification, and electronic equipment. The method comprises the following steps: acquiring actually measured dynamic response data of an electrochemical device under a dynamic excitation working condition; identifying real dynamic characteristic parameters through a system identification algorithm based on actually measured dynamic response data to replace idealized dynamic setting to construct a high-fidelity security model with a coupling sub-model; a high-fidelity security boundary is obtained based on high-fidelity security model simulation; operating parameters are collected in real time and compared with the high-fidelity safety boundary, and an instantaneous risk component is calculated; when the instantaneous risk component exceeds a safety control threshold, a power limit instruction is generated to perform closed-loop limitation on the input power. According to the method, the limitation of a traditional steady-state model is broken through, the transient out-of-limit risk can be accurately predicted and intervened, and the intrinsic safety of the electrolytic hydrogen system under the fluctuation working condition is greatly improved.

A substantially carbon-free, molten electrolytic method and system for production of silicon with a purity of greater than approximately 95%. The process of the present disclosure is substantially carbon free (meaning little to no carbon dioxide (CO2) is released as a result of the process). The process utilizes an anode which evolves oxygen, not CO2. Silica may then be generated at the cathode, generating the desired product, silicon, as well as oxide (O2-) ions. In the process these O2- ions may react with a substantially inert anode to evolve oxygen (O2).

This invention relates to a high-efficiency sulfur recovery system and method for phosphogypsum based on microwave-plasma synergy, belonging to the field of industrial solid waste resource utilization and clean energy technology. The system includes a microwave-plasma coupled reactor, an ionic liquid absorption-pulse electrolysis module, a CO₂ mineralization unit, and an intelligent control center. Through the synergistic effect of 2.45GHz microwaves and Ar / H₂ plasma (H₂ volume fraction 8%), sulfur is efficiently released from phosphogypsum at approximately 750℃. After SO₂ is absorbed by the [BMIM][HSO₄] ionic liquid, high-purity sulfur (purity ≥99.4%) is generated through 100Hz pulse electrolysis. The byproduct CaO reacts with CO₂ to form CaCO₃. This system can achieve efficient sulfur recovery and byproduct resource utilization, featuring low energy consumption and good environmental compatibility, and is suitable for solid waste treatment and sulfur resource recycling.

By improving the conductivity efficiency, the temperature rise at the crimped portion is suppressed, providing an electrolytic capacitor with excellent reliability, and a method for manufacturing an electrolytic capacitor. [Solution] The electrolytic capacitor according to the present invention comprises an anode foil, a cathode foil, a separator, and lead terminals connected to the anode foil and the cathode foil, respectively. The lead terminal consists of a terminal portion, a lead wire, and a connection portion. The terminal portion has at least two crimped connection portions, which are perforated in a state where it is superimposed on the anode foil or the cathode foil, bent toward the anode foil or the cathode foil, and press-connected. The diameter of the press-connected crimped bent portion of the first crimped connection portion on the lead wire side of the terminal portion is larger than the diameter of the bent portion of the second crimped connection portion. The ratio of the diameter of the bent portion of the first crimped connection portion to the crimping distance between the first crimped connection portion and the second crimped connection portion is 1:0.9 to 1:1.3.

This application discloses a water electrolysis hydrogen production system, relating to the field of hydrogen production technology. The system includes an electrolyzer and separators. Each electrolysis product flow path is equipped with a first separator, and at least in the first electrolysis product flow path, a second separator is located downstream of the first separator. One separator in the first electrolysis product flow path is connected to one separator in the second electrolysis product flow path via a liquid-conducting pipe. The first and second separators in the same electrolysis product flow path are connected via a liquid-conducting pipe and a gas-conducting pipe. The electrolysis products from the first separator flow to the second separator via the gas-conducting pipe. The outlet of the gas-conducting pipe and the top and bottom walls of the second separator are spaced apart. The system also includes a level regulating device for adjusting the level of the first separator in the second electrolysis product flow path. This application's technical solution improves the operational stability of the water electrolysis hydrogen production system.

1. Name of the product in this design: Conductive roller (grid-herringbone composite pattern). 2. Application of this design: This product is a key conductive component used in continuous roll-to-roll electroplating or electrolysis equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A hardware-in-the-loop simulation system for liquid hydrogen-superconducting hybrid energy storage, capable of improving the accuracy and reliability of a simulation result. The system comprises: a liquid hydrogen-superconducting hybrid energy storage physical system (7), a real-time simulator, and a superordinate computer. The liquid hydrogen-superconducting hybrid energy storage physical system (7) comprises: a fuel cell device (1), a water-electrolysis-based hydrogen production device (2), and a liquid hydrogen-cooled superconducting magnetic energy storage device (6). The fuel cell device (1) is configured to convert hydrogen into electric energy and provide power supply for a power system; the water-electrolysis-based hydrogen production device (2) is configured to convert electric energy into chemical energy to be stored in hydrogen; the liquid hydrogen-cooled superconducting magnetic energy storage device (6) is configured to perform liquid hydrogen energy storage and superconducting magnetic energy storage; the real-time simulator is configured to generate control signals of the liquid hydrogen-superconducting hybrid energy storage physical system (7) on the basis of operation parameters of the liquid hydrogen-superconducting hybrid energy storage physical system (7) and an operating condition of a simulated renewable energy power generation system; and the superordinate computer is configured to monitor and manage operating conditions of the real-time simulator and the liquid hydrogen-superconducting hybrid energy storage physical system (7).

An object of the present invention is to provide an electrolyte membrane having an excellent joining property between an electrolyte membrane and a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) on at least one of the faces of the layer (A), wherein porosity (X1) in an interface region of the layer (B), on the layer (A) side, is higher than porosity (X2) in another interface region of the layer (B), on the opposite side to the layer (A).

The application discloses a kind of processing pharmaceutical wastewater homogeneous phase ozone catalytic device and its use method, including wastewater inlet, premixing device, pipeline mixer, micro-nano ozone generator, acid-base dosing device, hydrogen peroxide dosing device, electrolytic device and ozone catalytic device, wastewater inlet is connected with premixing device, premixing device is connected with pipeline mixer, pipeline mixer is connected with acid-base dosing device, pipeline mixer is fixedly connected with electrolytic device, micro-nano ozone generator is arranged between pipeline mixer and electrolytic device, electrolytic device is connected with ozone catalytic device, ozone catalytic device is connected with hydrogen peroxide dosing device, outlet and gas outlet are arranged on ozone catalytic device, gas outlet is connected with premixing device, the application uses homogeneous phase ozone catalytic oxidation process, by electrolytic dosing catalytic transition heavy metal element, ozone catalytic oxidation is combined with micro-nano ozone generator.Control is simple, catalytic efficiency is high, no sludge is generated, no congestion.

A catalytic electrode includes a nickel-based porous base material, and a plurality of catalytic alloy balls of nickel and another metal doped with elements, in which the another metal includes iron, the elements include C, F, and S, and the catalytic alloy balls are dispersed on the surface of the nickel-based porous base material. The catalytic electrode also includes a plurality of metal phosphide particles covering the nickel-based porous base material and the catalytic alloy balls, and the metal phosphide particle includes nickel phosphide, nickel iron phosphide, nickel cobalt phosphide, nickel copper phosphide, or nickel zinc phosphide.

This invention relates to the field of electroplating solution analysis technology, and in particular to a rapid analytical method for polyethylene glycol (PEG) additives in copper electrodeposition solutions. The method involves protonated PEG forming a macromolecular complex colloid with phosphomolybdate under acidic conditions of pH 1.0–2.0. This colloid exhibits maximum absorption at 372 nm, and the absorbance value is directly proportional to the PEG concentration in the formed complex colloid. This allows for quantitative analysis of PEG in the copper electrodeposition solution. Because the phosphomolybdate-PEG complex colloid selected in this invention has excellent selectivity, and no sample pretreatment is required, this invention offers advantages such as ease of operation, speed, high sensitivity, and good selectivity. It is particularly suitable for intermediate control analysis in production environments, such as for electroplated copper interconnects in chips and printed circuit boards, as well as electrolytic copper foil for negative electrode current collectors and copper-clad laminates in energy storage batteries.

The application discloses a ball milling method for electrolytically treated tungsten-containing hard alloy, and aims to solve the problems of large dust in dry ball milling process and large difference in physical and chemical indexes of recycled tungsten carbide powder. The ball milling method comprises the following steps: washing electrolytically treated tungsten-containing hard alloy blocks in pure water, then putting the washed tungsten-containing hard alloy blocks into a ball mill for wet ball milling, drying, and obtaining coarse tungsten carbide powder; reducing the coarse tungsten carbide powder at high temperature in an inert atmosphere; and airflow milling the high-temperature reduced coarse tungsten carbide powder to obtain tungsten carbide powder. The ball milling method for electrolytically treated tungsten-containing hard alloy provided by the application reduces the dust generation in the ball milling process by adopting the wet ball milling technology, combining with the optimized ball-to-material ratio, ball milling speed, ball milling time and solid content, and improves the working environment on site. By controlling the drying temperature, time and water content, and optimizing the reduction and airflow milling steps, the final product can have high purity, fine particle size and uniform particle size distribution, and the quality of the product is improved.

A handheld reactive electrochemical application system is provided. The handheld reactive electrochemical application system includes a power supply configured to be electrically coupled to a substrate and a hydrogel electrically coupled to the power supply. The hydrogel includes a reactive chemical solution. The hydrogel is configured to contact the substrate, the power supply is configured to pass a current through the hydrogel and the substrate, and the reactive chemical solution is configured to treat the substrate when the current is passed through the hydrogel and the substrate.

This invention relates to a NiFe hydroxide-supported TiO2 2‑x Preparation method and application of Pt atom cluster water electrolysis catalyst; the preparation method firstly involves in-situ growth of nickel-iron layered bimetallic hydroxide NiFe LDH nanosheets on a three-dimensional porous nickel foam substrate via a hydrothermal method, and then coating the surface of the nanosheets with a layer of titanium dioxide (TiO2) rich in oxygen vacancy defects. 2‑x By utilizing oxygen vacancy defects as anchoring points, extremely low-quantity, highly dispersed, and stable loading of platinum atoms was achieved. Combined with polyvinylpyrrolidone (PVP), PVP@Pt / TiO2 was successfully prepared. 2‑x @NiFe / NF catalyst. This invention is used for the electrocatalytic hydrogen evolution reaction, featuring low Pt loading, low HER overpotential, multiple catalytic active sites, and excellent electrocatalytic activity for hydrogen evolution. It also exhibits excellent stability under continuous operation, showing broad application prospects in the future hydrogen production industry.

The utility model discloses an electrolytic salt feeder, including the outer tube, the one end inboard of outer tube is installed with the limit cylinder, the limit cylinder all has evenly opened a plurality of through -holes, the other end of outer tube is installed with the plugging board, the middle part of plugging board is installed with the inner tube, the inside slide coupling of inner tube has the connecting cylinder, one end of connecting cylinder is installed with the down pressure rod, through the cooperation of limit cylinder, guide plate and connecting cylinder can make the same weight of the discharged salt in each time down pressure, has saved the manual process of the manual portion of salt. Then through the conical frustum guide plate can make the salt even round surface shape discharge, avoid the local accumulation problem caused by traditional pouring mode, accelerate the dissolution efficiency of salt in water, reduce manual stirring step. The elastic reset structure of spring and down pressure board makes down pressure rod automatic return after feeding, need not manual reset, improves the operation convenience and continuity, is suitable for continuous multiple feeding scene.

The application belongs to the technical field of electrocatalysis, and discloses a bimetallic fluorinated metal organic framework catalyst, a preparation method thereof and application of the catalyst in active oxygen assisted membrane-free electrolytic ammonia oxidation for preparing nitrite, wherein the catalyst is prepared by self-assembly of Cu 2+ , Ni 2+ and a tetrakisfluorophthalic acid ligand through a solvothermal method, and there is a directional electron transfer effect between Cu and Ni. The application utilizes the Cu / Ni bimetallic electron synergistic effect to precisely regulate the d-band center of the catalyst, and a membrane-free electrolysis device is matched to save an expensive proton exchange membrane. The application provides a new efficient and feasible path for green, economical and scaled electrocatalytic synthesis of nitrite.

An object of the present disclosure is to provide a nonaqueous electrolytic solution and a lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol % in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.

This utility model discloses a modular electrolytic reaction tank for preparing high-purity metallic magnesium, belonging to the field of metallic magnesium reaction tanks. It includes a reaction tank body, with a cover plate fixedly connected to the upper surface of the body by multiple bolts. A conveying pipe is fixedly connected to the left side of the upper surface of the cover plate. A collection box is fixedly connected to the right side of the lower inner surface of the reaction tank body. A through-type collection port is opened on the upper left side of the inside of the collection box. This utility model achieves efficient and rapid separation through the unique structure of the collection box and related components. When the liquid magnesium reaches a certain thickness, the level gauge detects a signal, the electric push rod is activated, pushing the sliding plate two. Through the gas box and gas delivery hole, the sliding plate one moves the baffle one upward, opening the collection port. Liquid magnesium quickly flows into the collection box, greatly reducing the residence time of liquid magnesium in the reaction tank body, effectively reducing impurity dissolution, and improving the purity of metallic magnesium and product quality.

FIELD: protective coatings.SUBSTANCE: method for forming a protective oxide-ceramic coating on the surface of products made of valve metals and alloys by the plasma electrolytic oxidation method involves immersing the product as an electrode together with a counter electrode in a bath filled with an aqueous alkaline electrolyte, and supplying rectangular pulses of anodic and cathodic voltage to the electrodes using a pulsed power source. Anode and cathode voltage pulses are supplied with a current-free pause between them, the value of which is 4.8 times the duration of the anode pulse. The amplitude values of the cathode voltage pulses range from 85 to 149 V with a pulse repetition frequency from 1000 Hz to 4000 Hz, while the current pulse repetition frequency is additionally regulated.EFFECT: obtaining oxide-ceramic coatings with specified properties under reduced energy conditions, with lower values of cathode voltage.1 cl, 2 ex

The application discloses a kind of short process gold extraction devices of waste printed circuit board.It includes separation module, collection module and electrodeposition part.Separation module contains leaching tank, and leaching liquid and cleaning liquid are alternately introduced, and leaching process is strengthened using micro-bubble generator and heater, so that gold foil is stripped from the surface of circuit board;Collection module contains filter and temporary storage tank, for intercepting and collecting gold foil and classifying temporary storage liquid;Electrodeposition part is connected to temporary storage tank, and copper in leaching solution is recovered through electrodeposition tank, and tail liquid flows back to leaching tank to realize closed circuit circulation.The application adopts integrated design, and combines selective leaching and physical interception by micro-bubble strengthening, without complex high-temperature or cyanide equipment, and one step realizes efficient stripping of gold and electrolytic recovery of copper;At the same time, leaching solution is closed circuit, and cleaning liquid is recovered in stages, which significantly shortens the process flow, reduces equipment investment and environmental pollution.

The utility model discloses a kind of PCB acid etching waste liquid recycling device, it is related to etching liquid circulation technical field, including buffer box, the lower surface of the buffer box is fixedly connected with electrolytic chamber and electrodeposition chamber, the left side of the electrodeposition chamber is fixedly installed with conveying pump, the input end of the conveying pump is communicated with drainage tube and is connected to the inside of the electrolytic chamber, the output end of the conveying pump is communicated with infusion tube and is connected to the inside of the electrodeposition chamber, the lower side of the inner wall of the buffer box is fixedly installed with multiple servo motors.In the utility model, the oxidation ability of copper ions is reduced by electrolysis, ensuring that the etching liquid can be used continuously, and then the excess copper ions in the etching liquid are recovered by electrodeposition cathode and electrodeposition anode, thereby ensuring the effect of the etching liquid while recovering copper ions, reducing costs, and further ensuring that the etching liquid can be recycled while reducing costs and increasing efficiency.

The utility model discloses an electrolytic equipment, include: setting at least one movable part's liquid storage unit, drive unit is used for driving movable part moves, electrolytic unit is set in the liquid outlet path of liquid in the liquid storage unit when movable part moves, output unit is set in the liquid outlet side of electrolytic unit is used for output electrolytic product after electrolysis. The utility model discloses an electrolytic equipment through drive unit and drive the movable part of liquid storage unit moves, in the movable part moving process, the volume of liquid storage unit is constantly reduced, and the liquid in it is constantly squeezed out, therefore the electrolytic equipment of the utility model can convey the liquid in the liquid storage unit to the electrolytic unit and participate in electrolysis under any use angle.

A core-shell structured catalytic material, a manufacturing method therefor, and a use thereof. The core-shell structured catalytic material comprises an anion-modified material serving as a substrate and an anion-conductive material supported on the anion-modified material. An electrode having said core-shell structure is applicable to hydrogen-production operating conditions for water electrolysis containing chloride ions, and efficient hydrogen production processes can be implemented under the operating conditions.

The application discloses a method for synthesizing perfluoroketone and perfluoroacyl fluoride through electrofluorination. The method comprises the following steps: under the action of anhydrous hydrogen fluoride, raw material carbon-hydrogen ketone is subjected to electrolysis to synthesize perfluoroketone and corresponding by-product acyl fluoride and fluoroalkane. After the reaction is completed, liquid-phase perfluoroketone product is discharged from the bottom of a reaction kettle, acyl fluoride and fluoroalkane are collected through different low-temperature cold hydrazine, and excess non-condensable gas such as hydrogen is discharged from tail gas. The process of the application can synthesize various perfluorinated products through electrofluorination, and is simple in overall process operation, low in equipment investment, low in resource consumption, green and environment-friendly, and suitable for industrial production.

To provide an electrode exchange device capable of performing a good exchange of electrode plates in electro-refining a crude titanium-based material containing Ti, Al and O, and to provide a molten salt electrolysis device and a method for producing the titanium-based electrodeposited material.SOLUTION: An electrode exchange device 1 includes: electrode housing container 2 used for replacing electrodes 61 in electrolytic refining in which a crude titanium-based material in an anode 61a is dissolved in a molten salt bath Bm inside an electrolytic bath 51 to deposit a purified titanium-based material in a cathode 61b, wherein the crude titanium-based material contains Ti, Al, and O and is conductive, the electrodes include a portion where the electrode plates 62 that function as either an anode or a cathode are arranged alternately, and the electrode housing container has an opening 2a that can be hermetically connected to an aperture 51c of the electrolytic bath 51 and stores the electrode plates inside; an electrode holding mechanism 3 capable of holding the electrode plates and moving them between the electrode housing container and the electrolytic bath while the electrode plates are connected to the aperture of the electrode housing container and the electrolytic bath; and a vessel opening / closing mechanism 4 that opens and hermetically closes the aperture of the electrode housing container.SELECTED DRAWING: Figure 1

The application discloses an integrated marine computing power center system for realizing hydrogen storage and energy supply by marine energy, which comprises a marine computing power center (1), a seawater heat exchange module (2), a temperature control module (3), a membrane distillation module (4), a SOEC water electrolysis module (5), a hydrogen storage module (6), a liquefaction module (7), a SOFC fuel cell module (8) and a hydrogen storage and energy regulation module (9). Normal temperature seawater exchanges heat with cooling water of the marine computing power center at the seawater heat exchange module, the heat-exchanged seawater enters the membrane distillation module after being regulated by the temperature control module, and fresh water is separated out, the fresh water is electrolyzed by the SOEC water electrolysis module to generate hydrogen, the hydrogen is stored by the hydrogen storage module and is used for power generation of the SOFC fuel cell module, the excess hydrogen is liquefied and stored by the liquefaction module, and the hydrogen storage and energy regulation module regulates the supply, storage and replenishment of the hydrogen. The application provides an integrated solution for the marine computing power center to be completely self-sufficient in energy, without needing to access external power supply, and with zero carbon emission in the whole process.

The application discloses a branched polyarylpipeidine film containing a multi-aromatic ring unit and a preparation method and application thereof, and belongs to the technical field of fuel cells and anion exchange membranes for hydrogen production by water electrolysis. The branched polyarylpipeidine main chain is constructed by introducing a multi-aromatic ring branched unit with multiple reaction sites into a conventional linear polyarylpipeidine main chain, so that the packing density of the main chain is reduced, the formation of ion clusters is facilitated, and the membrane conductivity is improved. The branching degree can be controlled by flexibly adjusting the feeding of the multi-aromatic ring branched monomer. The conductivity of the branched polyarylpipeidine film is improved by more than 26% compared with that of the linear film, and the branched film has a lower swelling rate, a higher power density of a hydrogen-oxygen fuel cell and a higher water electrolysis hydrogen production performance.