1543results about "Cells" patented technology

To provide a fuel cell that can be constructed thinly while ensuring sufficient thickness of the gas diffusion layer. [Solution] A fuel cell cell that generates electricity by the reaction of a reaction gas comprises a membrane electrode assembly having an electrolyte membrane and a catalyst layer, a gas diffusion layer laminated on the membrane electrode assembly and made of a porous metal, and a separator laminated on the gas diffusion layer and parallel to the plane direction of the membrane electrode assembly, wherein the gas diffusion layer has grooves through which the reaction gas flows on the separator side.

An apparatus for water electrolysis includes a water-electrolysis stack, a feed-water pipeline, and a transport layer arranged upstream of the stack. A processor comprises pressures measured on each side of the transport layer and monitors ion conductivity of the feed water. When either reading crosses preset reference thresholds, the processor disables the power-supply unit and / or stops a circulation pump to protect the stack. The system can inject carbon dioxide to recover conductivity and issues alerts when the transport layer or an electrolyte membrane needs replacement, or when the carbon-dioxide charge falls below feed-water pressure. A complimentary control method performs the sensing, comparison, intervention, and user-notification steps.

The present invention relates to an energy system (1) and a method for operating the energy system (1), which comprises a hydrogen production unit (2) with at least one electrolyzer (3) for water electrolysis thermally coupled to a cooling water circuit (4), and a heat pump (5) whose heat source side (6) is thermally coupled to the cooling water circuit (4) and whose heat sink side (7) is connected to a district or commercial heating circuit (10) via a heat exchanger (8). According to the invention, a heat storage device (9) is provided in the district or commercial heating circuit (10), whose return line (11) is connected after the heat exchanger (8) and whose feed line (12) is connected before the heat exchanger (8) of the heat pump (5), so that the return temperature of the district or commercial heating circuit (10) is increased by heat from the heat storage device (9).

The application belongs to the technical field of electroplating, and discloses an electroplating device and an electroplating method. The electroplating device comprises an electroplating assembly, a shielding tool and a circulating assembly. The electroplating assembly has an electroplating tank. The shielding tool can be connected to the tank opening of the electroplating tank and can be fixedly connected to a workpiece to be plated, so that the plated area of the workpiece to be plated, part of the inner surface of the shielding tool and at least part of the inner surface of the electroplating tank form an accommodation space. The circulating assembly is connected to the electroplating assembly and can drive the electroplating liquid to flow between the electroplating assembly and the circulating assembly, so that the electroplating liquid in the accommodation space can be in a flowing state. By rotating the electroplating assembly so that the plated area is located below the accommodation space, the electroplating liquid can completely cover the plated area, and the bubbles float upwards, ensuring that the plated area can fully contact the electroplating liquid and avoiding the phenomenon of missed plating. The electroplating liquid in the flowing state can effectively improve the quality and uniformity of the plated layer.

This utility model provides a square tube processing electroplating corrosion-resistant treatment device, belonging to the field of electroplating equipment technology. The utility model includes an electroplating tank, a drain pipe on one side of the electroplating tank, a control valve on the outer surface of the drain pipe, and an auxiliary device at the top of the electroplating tank. The auxiliary device includes two support rods, with sliding rods slidably connected to the inner walls of the support rods. A frame rod is fixedly connected to the top of the sliding rods, and a tank cylinder is fixedly connected to one end of the two support rods that are close to each other. By setting up the auxiliary device, the utility model allows the square tube to be inserted into the tank cylinder with perforated surfaces. During electroplating, the lower half of the tank cylinder's surface enters the electroplating solution. A servo motor drives the tank cylinder to rotate slowly, causing the square tube inside the tank cylinder to slide or roll and change position, improving the contact effect between the square tube surface and the electroplating solution, and enhancing the effectiveness and comprehensiveness of electroplating treatment on the square tube surface using the electroplating device.

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).

The application discloses a coal-fired power plant water-heat-chemical value-added system for a new power system and an intelligent flexible operation method thereof. The system comprises a coal-fired generator unit, a heat-steam-power coupling subsystem, a water-hydrogen-oxygen coupling subsystem and a carbon-chemical coupling subsystem integrated with the coal-fired generator unit, and is uniformly coordinated by an intelligent collaborative control unit. Solid particle storage flue gas waste heat can be used to quickly produce steam injection into a steam turbine to improve the frequency modulation response speed of the unit. Low-valley electricity is used to electrolyze hydrogen, and by-product oxygen is recycled. Hydrogen and captured carbon dioxide are used to synthesize green methanol to realize carbon resource utilization. Methanol synthesis reaction heat and electrolysis waste heat are recovered in stages. The operation method can intelligently switch and cooperate between fast frequency modulation, hydrogen production by electrolysis and methanol synthesis according to grid instructions and real-time electricity prices, so that the flexibility of the unit, resource utilization and comprehensive benefits are systematically improved.

The specific embodiments described herein provide a synthetic fuel production system. The synthetic fuel production system includes a syngas production station for producing syngas, a crude oil production station for producing heavy synclude, and a crude oil cracking station for converting the heavy synclude into a synthetic fuel. The synthetic fuel production system can produce syngas using an electrocatalytic system, which may include an anode, a cathode, an oxygen evolution catalyst, a hydrogen / carbon monoxide evolution catalyst, and an electrolyte, the pH of which is acidic for at least a portion of the syngas production period.

Systems and methods for controlling current during electrochemical processes, such as electroplating, anodizing, and others. The disclosed systems and methods utilize a microcontroller system that receives inputs from various current and voltages sensors and monitors the various current and voltage readings throughout the system. The microcontroller system further compares the measured system current to a target system operating current, which the microcontroller may have established based on a user inputting desired features, values, and parameters of the system, and the microcontroller identifies deviations between the measured current and target system operating current. The microcontroller system may then adjust semiconductor arrays to maintain the modulated current generally at a target system operating current, may shut the system down if the measured current exceeds a certain predetermined safe operating threshold, and may send alerts to a user to notify the user of various information regarding the system, such as when a safe operating parameter is exceeded or when another threshold is met or exceeded.

The utility model provides a kind of metal product surface electroplating processing device, including tank, mobile mechanism is arranged on the front side surface of tank upper, anode is installed in the tank inner wall both sides, the top of tank is fixed with cathode hanger, the front side of the bottom of tank inner wall is equipped with scrap collecting groove, the bottom of tank inner wall is inclined with the angle of rear high front low, filter box is fixed with intercommunication in the right side of scrap collecting groove of tank, conveying pump is intercommunicated in the right side of filter box, the conveying end intercommunication of conveying pump has shunt pipe, shunt pipe surface intercommunication has shunt shell, the rear side intercommunication of shunt shell and tank inner wall bottom, C type scraper is slidably connected on the surface of scrap collecting groove, tank front side surface intercommunication has drainage valve.The utility model passes through the linkage of tank bottom inclination design, scrap collecting groove and mobile scraper, significantly improves impurity collection efficiency.

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.

The present invention discloses a handheld tool (100) comprising a tool housing (106) equipped with a movable tooling device (105) and a gas generator (20) for operating the movable tooling device (105), wherein the gas generator (20) is located within the tool housing (106) and includes at least one electrolytic cell (30), the at least one electrolytic cell (30) including at least one electrode pair. The electrolytic cell (30) provides oxyhydrogen gas (48) for operating the movable tooling device (105).

The invention discloses a hydrogen production device and a control method of the hydrogen production device, and relates to the technical field of hydrogen production, and the hydrogen production device comprises at least two electrolytic cell sets, a gas-liquid separator, a first heat exchange device, a power assembly and a valve assembly; each electrolytic bath group is provided with at least one electrolytic bath, and each electrolytic bath is provided with a first port and a second port; the gas-liquid separator is provided with a mixture inlet and an electrolyte outlet, and a first opening of the electrolytic bath is communicated with the mixture inlet; the first heat exchange device is provided with at least a first flow channel and a second flow channel which are isolated from each other; two ends of the first runner are respectively communicated with the second opening and the electrolyte outlet; two ends of the second runner are respectively communicated with the first opening and the second opening; the power assembly comprises a first power pump arranged on the first flow channel and a second power pump arranged on the second flow channel; the valve assembly can control on-off of the first flow channel and on-off of the second flow channel. The problem that part of electrolytic cells cannot produce hydrogen can be solved.

This invention provides a substrate immersion current synchronous triggering system and method for electroplating processes. The system includes a host controller, a power supply, a plating head, an electroplating tank, and a direct-switch module. The direct-switch module and the host controller are connected in parallel to form a two-stage control architecture. The direct-switch module includes a contact detection unit, a triggering unit, and an execution unit. The contact detection unit detects the instant the substrate contacts the electroplating solution and outputs a switching signal. The triggering unit generates and transmits a hardware trigger signal within microseconds. The execution unit controls the power supply to output a preset dynamic current during substrate immersion. This invention eliminates system delay through a hardware-level instantaneous triggering mechanism, ensuring that the current application is synchronized with the substrate immersion, avoiding seed layer corrosion, and improving plating uniformity and process repeatability.

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.

Electrodes useful for membrane-free electrode assemblies, membrane-free electrode assemblies, methods of making, and uses thereof. The electrodes comprise a catalyst layer; and a solid polymer electrolyte layer for ion-conduction deposited on the catalyst layer. The solid polymer electrolyte layer is deposited on a catalyst layer as an ionomer resin solution and forms an ion conducting layer thereby eliminating the need for a stand-alone membrane that is introduced as a separate component into electrode assemblies.

The application discloses a cement-chemicals co-production system and a control method thereof, and belongs to the technical field of carbon emission reduction and resource utilization in the cement industry. The system comprises a water electrolysis hydrogen production unit, a microwave-assisted hydrogen calcination unit, a cement clinker sintering unit, a synthetic gas purification unit, a synthetic gas proportioning unit, a chemical synthesis unit, a waste heat recovery unit and an automatic control and data monitoring unit. The microwave-assisted hydrogen calcination technology is used to decompose calcium carbonate into CO synthesis gas, oxygen by-product of water electrolysis is used for oxygen-enriched combustion, combined with accurate proportioning of synthetic gas and DCS and artificial intelligence collaborative control, the collaborative production of cement clinker and high-value chemicals is realized. The application reduces the carbon emission of the system by more than 70% compared with the traditional process, reduces the comprehensive energy consumption by more than 30%, the thermal efficiency is greater than or equal to 85%, the synthetic gas conversion rate is greater than or equal to 80%, and the carbon resource utilization rate and production stability are significantly improved, and the application has outstanding economic and environmental benefits.

An electrode that exhibits higher oxygen evolution electrode catalytic activity than existing electrodes that use manganese-based oxide as the oxygen evolution electrocatalyst is provided.

To ensure the stress relaxation properties of a flow passage forming member, and suppress gas leakage from the flow passage forming member compared to a configuration in which the layered particles are uniformly oriented along the second direction.SOLUTION: An electrochemical reaction cell stack includes a plurality of single cells, and a communication passage is formed that communicates with a gas chamber that faces one of an air electrode and a fuel electrode. The electrochemical reaction cell stack includes a first member, a second member arranged to face the first member, a gas flow passage arranged between the first member and the second member, and including the gas chamber and the communication passage, and a flow passage forming member separating the gas passage from a space other than the gas passage. The flow passage forming member has a layered structure made of a plurality of layered particles. There is a first layered particle located at an end of the flow passage forming member, the first angle of the first layered particle is different from a second angle of a centrally located second layered particle.SELECTED DRAWING: Figure 8

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 present application relates to the technical field of electrochemical synthesis of hydrogen peroxide, and discloses an electrolytic tank for electrocatalytic synthesis of hydrogen peroxide in an acidic system and a hydrogen peroxide synthesis method. The electrolytic tank comprises: a cathode chamber, a gas diffusion electrode is arranged in the cathode chamber, the gas diffusion electrode comprises a gas diffusion layer and a catalyst layer loaded on the gas diffusion layer, and the catalyst layer comprises a carbon-based catalyst for a two-electron oxygen reduction reaction; an anode chamber, an anode electrode is arranged in the anode chamber; a cation exchange membrane, which is arranged between the cathode chamber and the anode chamber and is used for separating the cathode chamber and the anode chamber and conducting protons; and a current collector, which is electrically connected with the cathode chamber and the anode chamber to realize electron conduction. The electrolytic tank is configured to operate under the condition of a pure acidic electrolyte without alkali metal cations, and the acidic electrolyte is a sulfuric acid solution. The present application realizes electrochemical synthesis of hydrogen peroxide with high selectivity, high concentration and high purity under an ampere-level current density.

The application discloses a hydrogen production system and belongs to the technical field of hydrogen production by water electrolysis. The hydrogen production system is applied to hydrogen production by water electrolysis and comprises at least one electrolytic tank, a circulating assembly, a gas-liquid separator and an electrolyte buffer, wherein the outlet of the circulating assembly is connected with the liquid inlet of the electrolytic tank; the inlet of the gas-liquid separator is connected with the outlet of the electrolytic tank; the inlet of the electrolyte buffer is connected with the outlet of the electrolytic tank; wherein the inlet of one of the gas-liquid separator and the electrolyte buffer is communicated with the outlet of the electrolytic tank, and the liquid return inlet of the gas-liquid separator and the outlet of the electrolyte buffer are both connected with the inlet of the circulating assembly. In the technical scheme, the electrolyte circulating loop, which is communicated with the gas-liquid separator and the electrolyte buffer, is constructed, so that useless work of a multiple-electrolytic-tank system in parallel connection during start-up can be reduced, the product quality of hydrogen production is helped to be enhanced, and the adaptability of the system to a wide power under new energy power input is helped to be enhanced.

The application provides a copper electroplating device and method capable of dynamically monitoring and adjusting process parameters, and belongs to the field of semiconductor advanced packaging manufacturing. The device comprises an electroplating tank, which is provided with an anode, a cathode jig and an electroplating liquid circulation and bubbling system. The core improvement of the application is that an X-Ray imaging system, a processing unit and a regulation and control unit are integrated. The X-Ray imaging system is used for acquiring a transmission image sequence of a TGV / BGV / TSV / BSV through-hole structure on a workpiece in real time during the electroplating process. The processing unit calculates the real-time copper filling saturation of each through-hole through a specific formula based on the image sequence, and can identify a cavity defect. The regulation and control unit automatically adjusts process parameters such as local current density, pulse parameters, stirring rate or temperature when the saturation is lower than a preset threshold or a defect is detected. The application realizes in-situ, real-time and visual monitoring and closed-loop intelligent regulation and control of the electroplating filling process in a deep hole, can actively inhibit the generation of cavities, and significantly improves the filling yield and process stability.

The present application relates to a kind of electrolysis method of chlorine ion-containing water, electrolytic device and layered electrode.The electrolysis method of chlorine ion-containing water of the present application includes the following steps: make chlorine ion-containing water contact with chlorine ion selective barrier material, obtain treated water, then make the treated water contact with electrode, to occur the decomposition reaction of water and obtain oxygen and hydrogen, while obtaining undecomposed water, wherein by selecting the chlorine ion selective barrier material, to meet at least one condition defined in the specification.The present application improves the reaction efficiency while inhibiting the adsorption of chlorine ions by using selective chlorine ion selective barrier material, the operation method is simple and easy to realize large-scale production, so it has significant production advantages.

Provided is a novel coated substrate which can be applied to various fields and from which high functionality can be expected. The coated substrate is a coated substrate (1) in which a substrate (5) is coated with a film (3). The thickness of the film (3) is 60 nm or greater and 10 µm or less, measurement of the film (3) shows that the percentage of C (carbon) element is 0.1 atm% or greater and less than 20 atm%, and the sum of the percentage of a metal element and the percentage of O (oxygen) element is 70 atm% or greater, the film (3) is amorphous, and the relative density of the film (3) is 90% or greater.

The application discloses a hydrogen production method, system, equipment, medium and product integrated with a carbon dioxide heat pump, characterized in that the method is suitable for a hydrogen production system, and the hydrogen production system comprises a water vapor circulation module, an electrolysis reaction module and a supercritical carbon dioxide circulation module; water stored in a water collecting tank is pressurized by a water pump in the water vapor circulation module to obtain pressurized water, the pressurized water is subjected to heat exchange treatment based on target supercritical carbon dioxide working medium obtained by an air cooler in the water vapor circulation module to obtain heated water; the heated water is subjected to heat exchange treatment again by a high-temperature heat exchanger in the water vapor circulation module to obtain target water vapor; and the target water vapor is subjected to an electrochemical decomposition reaction by a solid oxide electrolysis cell in the electrolysis reaction module under the condition of continuous heating of the supercritical carbon dioxide circulation module to obtain hydrogen. The application can improve the hydrogen production efficiency of the solid oxide electrolysis cell under the condition of supercritical carbon dioxide high-temperature heat pump circulation.

The utility model discloses a kind of metal piece electroplating acid liquor recycling device, including processing box and cleaning tank.There is beneficial effect: when recycling and utilizing waste acid in electroplating acid liquor, waste acid supernatant after baffle precipitation can be transported into freezing bin, after crystallization is finished, staff can open plug, waste acid and ferrous sulfate heptahydrate crystal enter into filter bin, after being filtered by filter plate, ferrous sulfate heptahydrate crystal stays on the top surface of filter plate, waste acid after preliminary adjustment concentration enters into bottom bin, and it can be recycled and used by adjusting concentration by secondary acid addition in later period, two groups are arranged from top to bottom in filter plate, two groups of filter plate work alternately, when upper filter plate is blocked, second electric cylinder connected with lower filter plate is elongated, second electric cylinder connected with one end of upper filter plate is shortened, to complete quick switching, continue filtering operation, the trouble of needing to remove and replace traditional filtering equipment is saved, and work efficiency and the convenience of use are improved.

The invention relates to a method for operating an electrolyzer system (1) and to such an electrolyzer system (1) for carrying out the method by which water is converted into oxygen and hydrogen (100). According to the invention, at least one first electrolyzer (10) is provided which generates heat (W1) during the formation of hydrogen (100), and wherein at least one second electrolyzer (11) is provided to which at least a portion of the heat (W1) from the first electrolyzer (10) is supplied, at least indirectly, for operation.

To provide a water quality alkalization device which prevents short-circuit between an anode and a cathode.SOLUTION: A water quality alkalization device includes: a first electrode unit; a second electrode unit; and a separation unit formed of an insulative resin, the separation unit positioned between the first electrode unit and the second electrode unit and bonded to one of the first electrode unit and the second electrode unit. Voltage is applied between the first electrode unit and the second electrode unit immersed in an electrolytic solution, thereby electrolyzing the electrolytic solution to produce basic liquid.SELECTED DRAWING: Figure 1