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555
results.
Updated on
19/12/2025 [06:59:00]
Results 525 to 550 of 555
Absstract of: EP4635599A1
An method (100-600) for producing hydrogen is proposed, comprising providing a first gas (1) containing hydrogen, oxygen and water, said providing the first gas (1) comprising an electrolytic conversion of water; providing a second gas (5) containing hydrogen, oxygen and water, said providing the second gas (5) comprising a condensative removal of water from the first gas (1) or a part thereof; and providing a third gas (10) containing hydrogen, said providing the third gas (10) comprising an adsorptive removal of water and a catalytic removal of oxygen from the second gas (5) or a part thereof using a adsorptive and catalytic treatment arrangement (110) comprising treatment vessels (A, B), wherein each of the treatment vessels (A, B) comprises, in a first direction from a first opening to a second opening, a first adsorption layer (211), a catalytic layer (212) and a second adsorption layer (213), wherein each of the treatment vessels (A, B) is alternatingly operated in a treatment mode and a regeneration mode, wherein, in the treatment mode, the second gas (5) or a part thereof is passed in the first direction through the treatment vessels (A, B), wherein, in the treatment mode, the first adsorption layer (211) and the second adsorption layer (213) are used for said adsorptive removal of water and the catalytic layer (212) is used for said catalytic removal of oxygen, wherein, in the regeneration mode, the treatment vessels (A, B) are heated using a heating gas (5a, 10a) wh
Absstract of: JP2025160031A
【課題】 光触媒を用いた水素ガス製造装置に於いて、水素製造量を変化させるパラメータを調節して、水素製造量を制御できるようにする。【解決手段】 水素ガス製造装置１は、水３を貯留する水槽部２と、水槽部内の水中に分散又は配置された光触媒体３ａにして、光が照射されると、励起電子と正孔を発生し、水分子を水素と酸素とに分解する水の分解反応を起こし水素ガスを発生する光触媒物質を有する光触媒体と、光触媒体へ照射されて水の分解反応を惹起する光を発する光源装置４と、水素ガスの発生量を検知する水素発生量検知手段１６と、水素発生量検知手段にて検知された水素ガスの発生量に基づいて水素ガスの発生量を調節する水素発生量調節手段５０とを含む。【選択図】 図１
Absstract of: US2025320612A1
The present disclosure relates to a method of operating a water electrolysis cell that can improve long-term durability even under high current density operating conditions.
Absstract of: EP4635906A1
This ammonia decomposition apparatus is provided with: a reactor in which a catalyst for a decomposition reaction for decomposing ammonia that is a starting material into hydrogen and nitrogen is filled; a burner which is disposed in the reactor on the upstream side beyond the catalyst and is used for combusting hydrogen; and an ammonia supply line through which ammonia is supplied into the reactor on the upstream side beyond the catalyst.
Absstract of: CN120815499A
The invention discloses a green methane synthesis system and a process thereof, the system comprises a water electrolysis device, a hydrogen storage tank, a fine desulfurization reactor, a gas holder, a main methanation reactor and a gas-liquid separation tank, a hydrogen outlet of the water electrolysis device is communicated with the hydrogen storage tank, and the fine desulfurization reactor is provided with a carbon source gas inlet; the hydrogen storage tank and the fine desulfurization reactor are both communicated with the gas holder, the gas-liquid separation tank comprises a first gas-liquid separation tank and a second gas-liquid separation tank, the gas holder, the main methanation reactor, the first gas-liquid separation tank and the second gas-liquid separation tank are respectively communicated in one time, and the first gas-liquid separation tank and the second gas-liquid separation tank are both provided with process condensate outlets. And the second gas-liquid separation tank is also provided with a methane outlet. The device has the advantages that by continuously adjusting the components of the mixed gas in real time, the stability of the components of the mixed gas can be realized under the condition that the front-end hydrogen flow changes too fast, so that the methanation reaction efficiency is ensured, and the overall economic benefit can be effectively improved.
Absstract of: CN120824761A
The invention is suitable for the technical field of energy storage system scheduling optimization, and provides a configuration optimization method and device for a wind-light hydrogen storage system, and the method comprises the steps: building a constraint condition and a target function of equipment configuration based on the equipment configuration parameters of the wind-light hydrogen storage system; the wind-solar hydrogen storage system comprises wind power equipment, photovoltaic equipment, energy storage equipment, hydrogen production and storage equipment and grid-connected equipment. The constraint conditions of the equipment configuration comprise a linear constraint condition and a non-linear constraint condition; the objective function is to maximize the benefit of the wind-solar hydrogen storage system; and performing linear transformation on the nonlinear constraint condition to obtain a transformed constraint condition, and optimizing the equipment configuration parameters of the wind-solar hydrogen storage system based on the target function, the transformed constraint condition and the linear constraint condition to obtain optimized equipment configuration parameters. According to the method and the device, the technical problems of resource waste and low system operation efficiency caused by the fact that full-option capacity configuration optimization is not considered in an existing method can be solved.
Absstract of: CN120818856A
The invention provides a preparation method of an ion solvation membrane supported by a porous substrate and the ion solvation membrane, and belongs to the technical field of hydrogen production through alkaline water electrolysis. The preparation method of the ion solvation membrane supported by the porous substrate comprises the following steps: S1, performing low-pressure plasma surface treatment; step S2, grafting modification treatment; and S3, performing interfacial polymerization treatment. According to the invention, common polytetrafluoroethylene, polypropylene, polyether-ether-ketone, polyethylene or polyvinylidene fluoride and the like are used as a porous polymer substrate, low-pressure plasma surface treatment, grafting modification treatment and interfacial polymerization treatment are carried out in sequence, and the prepared ion solvated membrane has good gas barrier property, relatively low surface resistance and good gas barrier property. Meanwhile, the raw material cost is relatively low, and remarkable industrial application advantages are achieved.
Absstract of: CN120824800A
The invention discloses an off-grid new energy hydrogen production start control method, system, device and medium, and relates to the technical field of new energy hydrogen production control and micro-grid operation management, and the method comprises the steps: employing energy storage zero-to-boost control and anti-interference communication to establish a bus voltage based on an off-grid system architecture; the output power of the wind turbine generator is adjusted through a variable pitch power following strategy based on short-term wind speed prediction, the power distribution proportion of the wind turbine generator and the energy storage device is dynamically adjusted by adopting an improved NSGA-II multi-target optimization algorithm in combination with the equipment health state factor, and the power output path and the response rate of the equipment are optimized; electrolytic hydrogen production is carried out by adopting electrolytic tank pre-starting condition inspection, stepped power rising and stepped starting of grid-connected transition in cooperation with closed-loop temperature flow regulation and a PID pressure management strategy, and black-start rollback and self-healing control are executed. According to the method, the stable construction of the bus voltage is realized through the boost control from zero energy storage, and the current impact in the starting process is effectively inhibited.
Absstract of: CN120818854A
The invention relates to the technical field of hydrogen production through water electrolysis, and provides a nickel/iron-doped carbon nano tube (CNTs) catalytic material and electro-catalysis application of the material by utilizing a simple, convenient and industrially compatible combustion method strategy. According to the innovative technology, the cheap carbon nano tube can be quickly and simply converted into the high-activity and high-stability oxygen evolution catalyst. The catalytic material not only has excellent oxygen evolution reaction (OER), but also is simple in preparation process and suitable for large-scale industrial preparation and application.
Absstract of: CN120818857A
The invention provides a preparation method and slurry of an organic hybrid diaphragm for hydrogen production by electrolysis of water, and belongs to the technical field of organic material diaphragms.The preparation method of the diaphragm comprises the steps of substrate pretreatment, first-layer diaphragm preparation, second-layer diaphragm preparation, post-treatment strengthening and the like; the bottom layer slurry I of the first layer of film preparation comprises polyphenylene sulfide, modified hydrophilic nano silicon oxide, a defoaming rheology modifier, an alkali-resistant enhancer and the like; the surface layer slurry II of the second layer of film preparation comprises polyphenylene sulfide, polyether-ether-ketone, modified yttrium-stabilized zirconia powder, a defoaming rheology modifier, an alkali-resistant enhancer and the like; the modified hydrophilic nano silicon oxide and the modified yttrium-stabilized zirconium oxide powder are respectively modified by a silane coupling agent KH-560, an ionic liquid 1-ethyl-3-methylimidazole acetate and guar gum hydroxypropyl trimethyl ammonium chloride; the invention designs a special process and formula, and effectively solves the problems of difficult bubble elimination, poor interfacial compatibility between inorganic materials and organic polymer materials, insufficient stability and durability and the like in the existing diaphragm.
Absstract of: CN120824766A
The invention discloses a hydrogen-electricity hybrid seaport logistics-energy collaborative optimization scheduling device and method.The scheduling device comprises a hydrogen-electricity energy network system and a hydrogen-electricity logistics system, the hydrogen-electricity energy network system comprises a renewable energy generator, a power distribution network and a hydrogen energy unit, and the hydrogen energy unit comprises an electrolytic cell, a hydrogen storage tank and a fuel cell; two sides of the hydrogen storage tank are respectively connected with the electrolytic cell and the fuel cell, the electrolytic cell and the fuel cell are respectively connected with one node of the power distribution network, and one side of the hydrogen storage tank is connected with the hydrogen refueling station. And a logistics-energy cooperative scheduling scheme is obtained. By adopting the device and the method, the hydrogen logistics equipment and the hydrogen energy equipment are introduced, and when the load level of the power distribution network is relatively high, the logistics operation can be completed by the hydrogen logistics equipment, so that the energy supply pressure of the power distribution network on the logistics load is effectively transferred.
Absstract of: CN120819921A
The invention relates to an energy storage device and a reactor for producing hydrogen by electrolyzing water, and the energy storage device comprises a light inlet part which is respectively provided with an inlet and an outlet along the illumination direction and is internally provided with a first conical cavity suitable for light to pass through, and the diameter of the inlet of the first conical cavity is greater than that of the outlet; the shell is arranged at the outlet end of the light inlet part, the interior of the shell is sequentially connected with the heat collection cavity and the heat storage part, and the heat collection cavity communicates with the light inlet part; a plurality of heat conduction pieces and a heat storage material are arranged in the heat storage part, the heat storage part is filled with the heat storage material, and the heat conduction pieces are inserted into the heat storage material at intervals. The reactor is connected with the heat storage part behind the heat collection cavity, and the fluctuation problem of solar energy is solved by utilizing the heat absorption and release process of a heat storage material; by arranging the heat collection cavity and the heat conduction rod, direct conduction of heat energy is promoted, loss caused by heat transmission through a traditional working medium and loss caused by the fact that high-temperature tail gas cannot be utilized are eliminated, and therefore the heat utilization efficiency o
Absstract of: CN120818831A
The invention provides a hydrogen evolution cathode and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing an active material precursor, a binder and a solvent to obtain slurry; and (2) coating the slurry on the surface of a cathode substrate, and sintering in a reducing atmosphere to obtain the hydrogen evolution cathode, wherein the active material precursor comprises a Ni source and a Mo source; the binder comprises a C element and an N element. According to the preparation method of the hydrogen evolution cathode, the binding force of the active material and the substrate can be improved, the hydrogen evolution catalytic activity and stability of the hydrogen evolution cathode are improved, environmental pollution is small, expensive equipment and raw materials are not needed, and the cost is low.
Absstract of: CN120818836A
A gas management system includes an anode chamber, a cathode chamber, and a membrane assembly configured to remove gas bubbles in an electrochemical cell to increase hydrogen production of the electrochemical cell. The membrane assembly includes a first outer layer disposed between the cathode chamber and the anode chamber, a second outer layer disposed between the first outer layer and the cathode chamber, and a spacer layer disposed between the first outer layer and the second outer layer.
Absstract of: KR20240099886A
Provided is the nano sheet for the hydrogen generation reaction catalyst. The nanosheet for a hydrogen generation reaction catalyst may be made of a transition metal dichalcogenide alloy, wherein the transition metal dichalcogenide alloy may include one transition metal selected from group 5 and one transition metal selected from group 6.
Absstract of: KR20220122309A
The embodiment relates to a brine electrolysis system and device. The brine electrolysis system according to the embodiment includes: an electrolysis device for electrolyzing brine; a storage tank for storing a thermal fluid; and a circulation pump that is disposed between the electrolysis device and the storage tank to inject the thermal fluid stored in the storage tank into the electrolysis device when the electrolysis device electrolyzes the brine.
Absstract of: KR20250151113A
본 발명은 수전해 셀 및 이를 포함하는 수전해 스택에 관한 것으로서, 수전해 셀은, 내부에 제1 전극 배치홀이 형성되는 제1 셀 프레임, 내부에 제2 전극 배치홀이 형성되는 제2 셀 프레임 및 상기 제1 전극 배치홀에 배치되는 제1 전극과, 상기 제2 전극 배치홀에 배치되는 제2 전극과, 상기 제1 전극과 상기 제2 전극 사이에 배치되는 이온교환막을 포함하는 막-전극 조립체를 포함할 수 있다.
Absstract of: CN120818852A
The invention belongs to the technical field of electrocatalytic materials, and relates to a two-phase bimetallic carbide heterostructure electrocatalyst and a preparation method and application thereof. The composition of the two-phase bimetallic carbide heterostructure electrocatalyst is WMoC2/WVC2, and preferably, the mass percent of the WMoC2 is 40%-80%, and the mass percent of the WVC2 is 20%-60%. According to the invention, the bimetallic heterostructure WMoC2/WVC2 electro-catalytic hydrogen evolution material is prepared through a step-by-step hydrothermal method and a solid-phase reaction method. The preparation method is green and pollution-free, the raw material cost is low, and the electrocatalytic activity in an alkaline environment is good.
Absstract of: CN120818839A
The invention discloses a composite photocatalyst and a preparation method thereof, and relates to the technical field of photocatalysts, the composite photocatalyst comprises a chitin carbon carrier and ZnIn2S4 nanospheres loaded on the chitin carbon carrier. According to the invention, ZnIn2S4 nanospheres are loaded on the chitin carbon carrier, the situation that ZnIn2S4 is spontaneously organized into spheres due to reduction of surface energy is avoided, the chitin carbon carrier not only plays a role in supporting the ZnIn2S4 nanospheres, but also can adjust a ZnIn2S4 energy band structure, so that the photocatalytic efficiency and the hydrogen production amount are greatly improved, and the photocatalytic activity of the ZnIn2S4 nanospheres is improved. The obtained composite photocatalyst has the advantages of high photoresponse speed and high hydrogen yield, and in addition, the catalyst is low in cost, renewable, reusable and easy to recover.
Absstract of: CN120818842A
The invention belongs to the field of catalyst materials, and particularly relates to a high-entropy trans-perovskite catalyst and a preparation method and application thereof. The preparation method comprises the following steps: adding metal salts In (NO3) 3, Ni (NO3) 2, Co (NO3) 2, Fe (NO3) 3, Cr (NO3) 3, NH4VO3, CH4N2O and NH4F into deionized water, and carrying out self-assembly on foamed nickel in an alkaline environment under a hydrothermal condition to form a multi-metal layered double hydroxide (LDH); and then placing in a tubular furnace in argon and ammonia gas atmosphere, and forming the high-entropy trans-perovskite catalyst InN (NiCoFeCrV) 3-coated NF integrated electrode at high temperature. The trans-perovskite catalyst directly grows on the foamed nickel substrate, the overall mechanical strength of the integrated electrode is improved, damage to the catalyst during bubble desorption is reduced, and it is guaranteed that the electrode can stably conduct the water electrolysis hydrogen production process under the industrial current.
Absstract of: CN120818859A
The invention relates to a fine optimization configuration method for a hydrogen production system by mixing an alkaline electrolytic cell and a proton exchange membrane electrolytic cell, and belongs to the field of hydrogen energy. The method specifically comprises the following steps: obtaining historical data of photovoltaic and wind power stations, and constructing a light and wind complementary output scene with a time scale of less than 5 minutes; carrying out capacity grid division on the alkaline electrolytic cell and the proton exchange membrane electrolytic cell, and establishing a mixed hydrogen production economical configuration model of the alkaline electrolytic cell and the proton exchange membrane electrolytic cell under grid points; establishing a refined operation control model of the alkaline electrolytic cell and the proton exchange membrane electrolytic cell; and respectively solving the weighted economy of the hybrid hydrogen production system under different capacity grid combination points and different wind and light output scenes, and comparing all solved results to obtain an optimal scheme.
Absstract of: CN120818860A
The embodiment of the invention provides an electrolytic bath hydrogen production cluster control method, device and equipment and a medium. The method is applied to the technical field of renewable energy hydrogen production and comprises the steps that a to-be-processed power instruction is obtained, and the power instruction comprises a to-be-processed power value in the next time period; decomposing the power value into stable section power and fluctuation section power; based on a set distribution strategy, the stable section power and the fluctuation section power are distributed to different electrolytic cells respectively, corresponding distribution results are obtained, and the distribution results comprise power values distributed to all the electrolytic cells in the electrolytic cell hydrogen production cluster array; and based on the distribution result, a control instruction is output, and the control instruction is used for controlling the electrolytic cell to execute electrolytic hydrogen production operation based on the distributed power value. The method is used for solving the problem that the electrolytic cell cluster array is poor in effect when treating power supply fluctuation of renewable energy sources.
Absstract of: CN120818858A
The invention discloses a liquid-solid coupled PEM electrolytic cell uniform temperature control system and a control method thereof, and relates to the field of water electrolysis hydrogen production, the system comprises a temperature control water tank used for supplying heat to deionized water in the water tank through a built-in heater, and the heater selects an electric heating pipe, an electric heating plate or an electric heating film; the temperature controller is connected with a heater in the temperature control water tank and is used for controlling the temperature of the deionized water; the first peristaltic pump is used for being connected with an outlet of the temperature control water tank and a water path inlet of the PEM electrolytic bath and adjusting the flow of the deionized water; the deionized water flow and the heating power are finely adjusted, compared with traditional constant temperature or single PID control, data of a plurality of temperature measuring points inside and outside the electrolytic cell are obtained online in real time, and an optimal control instruction is output after rapid calculation of a neural network model, so that the temperature deviation among local parts of the electrolytic cell is reduced, the overall temperature uniformity is enhanced, and the temperature precision is improved; the controllability and the energy efficiency ratio of the electrolytic reaction rate are directly improved, the hydrogen yield is improved, and
Absstract of: CN120818848A
The invention provides a catalytic electrode and a preparation method and application thereof, and the preparation method comprises the following steps: mixing a nano-metal material, a high polymer material and a solvent to obtain a dispersion liquid, coating the surface of a conductive substrate with the dispersion liquid, and drying to obtain the conductive substrate comprising a coating; and melting and extruding a metal catalytic material on the surface of the conductive substrate comprising the coating to obtain the catalytic electrode. According to the preparation method disclosed by the invention, the coating comprising the nano-metal material and the high polymer material is prepared on the surface of the conductive substrate, and then the metal catalytic material is loaded on the conductive substrate containing the coating in a melt extrusion manner, so that the catalytic electrode with very stable mechanical combination is formed; and the catalytic electrode is low in overpotential, low in hydrogen production energy consumption, resistant to reverse current, high in material utilization rate, simple in process and capable of realizing large-scale industrial production.
Nº publicación: CN120818835A 21/10/2025
Applicant:
CHINA TRIUMPH INT ENGINEERING CO LTD
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Absstract of: CN120818835A
The invention relates to the technical field of hydrogen production systems, in particular to an algae control system based on hydrogen production by-products, comprising: a hydrogen production frame connected with an electrolytic cell and performing gas-liquid separation to obtain oxygen as a hydrogen production by-product; the oxygen collection pipeline is connected with the oxygen output end of the hydrogen production frame; the oxygen discharging device is arranged in the external water tank and connected with the output end of the oxygen collecting pipeline, so that a large amount of oxygen is discharged to the external water tank, the oxygen is mixed with the water body, and algae growth is inhibited. In order to solve the problem that in the prior art, an oxygen discharge channel is adjusted, oxygen is conveyed into an oxygen discharge device through an oxygen collection pipeline, so that oxygen is continuously introduced into an external water tank, and the water electrolysis hydrogen production line is simple in structure and convenient to operate. The waste-discharged oxygen is fully utilized to increase the oxygen concentration of the water pool in the factory, the eutrophication of the water body is reduced, the propagation and growth of algae substances are reduced, and meanwhile, the expenditure energy consumption of water treatment is also reduced.
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