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1088
resultados
Última actualización
24/08/2026 [07:24:00]
Resultados 100 a 125 de 1088
Resumen de: WO2026162388A1
The present disclosure relates to a green hydrogen power plant (1) comprising a renewable energy generation facility (11); a hydrogen production facility (12); and an 5 energy storage unit (13) to store electrical energy; and a plant controller (14) configured to: determine (101) a total value of electrical energy demanded by the hydrogen production facility (12) to operate continuously during an energy production cycle period of the renewable energy generation facility (11); calculate (102) an energy threshold for the energy production cycle period based on said total value of electrical 10 energy demanded by the hydrogen production facility (12); detect (103) whether the current electrical energy produced at said instant by the renewable energy generation facility (11) reaches the energy threshold; in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is above or equal to the energy threshold, generate (104) an instruction for controlling the 15 renewable energy generation facility (11) to direct excess electrical energy to the energy storage unit (13); and in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is below the energy threshold, generate (105) an instruction for controlling the energy storage unit (13) to supply the hydrogen production facility (12) with the stored electrical energy to allow 20 the hydrogen production facility (12) to o
Resumen de: US20260225880A1
The invention provides a system and method for the distributed generation and storage of hydrogen utilizing solid-state chemicals. Surplus electrical energy from renewable sources, such as solar and wind, is converted into green hydrogen, stored in the form of sodium borohydride (NaBH4). This solid-state storage medium facilitates safe and efficient hydrogen containment, overcoming limitations in transportation and storage. The hydrogen can be regenerated for use in electricity and heat generation across residential, commercial, agricultural, and industrial applications, including refueling facilities. A cycle of NaBH4 synthesis, hydrogen extraction, and regeneration using renewable energy ensures long-term sustainability. This innovation addresses grid intermittency, enables peak shaving, and decentralizes energy systems, contributing to energy security and a low-carbon economy. The process integrates renewable energy, electrochemical synthesis, and catalytic reactions to provide a scalable solution for modern energy challenges, supporting both immediate and long-term energy needs.
Resumen de: WO2026162948A1
A system comprising an electrolyser cell stack of electrolyser cell units, a separation unit and a Fischer-Tropsch reactor unit and a method for operating the system. The method comprising providing fuel to a fuel volume of the electrolyser cell stack, wherein the fuel comprises steam and carbon dioxide and is provided to the fuel volume at a first temperature. The method comprises powering the electrolyser cell stack with electrical energy thereby converting, at least partially, the steam into hydrogen and oxygen, wherein hydrogen is released into the fuel volume and oxygen is released into an oxygen volume. Carbon dioxide and hydrogen are at least partially converted into carbon monoxide and water in the fuel volume. Powering the electrolyser cell stack comprises controlling a voltage supplied at an endothermic value.
Resumen de: WO2026163573A1
The present invention reduces fluctuation of a grid voltage due to generated power from a renewable energy power generation system by adjusting a load of a water electrolysis system. This control device for a water electrolysis system, which is connected to a grid via an interconnection point shared with a renewable energy power generation system for outputting generated power generated using renewable energy to at least the grid and produces hydrogen by electrolyzing water upon reception of the output of the generated power, is characterized by including: a renewable energy-generated power acquisition unit that acquires renewable energy-generated power that is generated power outputted by the renewable energy power generation system; and a water-electrolysis-system load command-value setting unit that sets a value obtained by multiplying the acquired renewable energy-generated power by a prescribed proportional gain, as a command value for a water electrolysis load of the water electrolysis system.
Resumen de: DE102025000418A1
Die Erfindung betrifft ein Verfahren zur Entfernung von Gasblasen (P) aus einer kontinuierlichen Flüssigphase (1), die hierbei durch einen Abscheidebehälter (B) geführt wird. Kennzeichnend herbei ist, dass die Koaleszenz der Gasblasen (P) durch ein Hilfsgas (4) unterstützt wird, das unter Bildung von Hilfsgasblasen (H) in die Flüssigphase (1) eingeleitet wird.
Resumen de: US20260225080A1
0000 An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O<2 >catalyst, wherein the Ru(M1M2M3M4)O<2 >catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO<2>), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.
Resumen de: DE102025104344A1
Elektrolysevorrichtung zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel aus mehreren Zellstapelelementen, die Elektrolysezellen ausbilden, mit Endplatten (16), zwischen welchen der Zellstapel aus den mehreren Zellstapelelementen angeordnet ist und verpresst ist, wobei die Zellstapelelemente und die Endplatten (16) des Zellstapels sich in Stapelrichtung der Zellstapelelemente erstreckende Strömungskanäle (23) für Wasserstoff, Strömungskanäle (24) für Wasser und Strömungskanäle (25) für Wasser und Sauerstoff bilden, und mindestens eine Endplatte (16) mindestens eine Inspektionsöffnung (26) aufweist, über die eine Inspektionseinrichtung in mindestens einen der Strömungskanäle (23, 24, 25) einführbar ist.
Resumen de: EP4786037A2
This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also relates to composite membrane-assemblies and electrochemical devices comprising the composite membranes of the disclosure, and to methods of manufacture of the composite membranes.
Resumen de: WO2025067620A1
According to the invention it is provided a method for controlling a grid connected power converter having a DC side with a DC link and an AC grid side, and being configured to control power supply to a hydrogen electrolyzer stack. The power supply to the hydrogen electrolyzer stack is controlled by controlling the DC link to thereby control hydrogen production. The method comprises: determining a grid voltage reference; providing a grid forming control for controlling at least the phase angle of the voltage of the power converter using a grid forming controller, operating according to a grid forming algorithm, the grid forming controller being configured to emulate inertia through control of the voltage of the power converter towards the grid voltage reference; the grid forming controller emulating inertia by charging and discharging an inherent capacitance of the electrolyzer stack; monitoring at least one operating parameter of the hydrogen electrolyzer stack; and limiting a change in charging level of the inherent capacitance based on the monitored operating parameter of the electrolyzer stack.
Resumen de: WO2025068933A1
The present invention relates to an integrated system for demineralization and/or purification of water and for the simultaneous production of hydrogen comprising a heat-dissipating element thermally connected to a system for demineralization and/or purification of water which is hydraulically connected to an electrochemical cell producing hydrogen, wherein the system for demineralization and/or purification of water is a system operating through the principle of thermal distillation via membrane and comprises at least two units, each comprising a first chamber, inside which waste water to be demineralized and/or purified flows under pressure and a second chamber, inside which demineralized and/or purified water flows under pressure in the opposite direction with respect to the direction of flow of the waste water, the two chambers being separated by a preferably microporous hydrophobic membrane, wherein the at least two units are placed thermally in series and hydraulically in parallel with continuous flow, wherein each unit is hydraulically connected to a source of waste water and a source of demineralized and/or purified water, in particular wherein each first chamber comprises an inlet portion, hydraulically connected to the source of waste water, for introduction into the first chamber of waste water, while each second chamber comprises an inlet portion, hydraulically connected to the source of demineralized and/or purified water, for introduction into the second chamber
Resumen de: WO2025068713A1
The specification describes bilayer electrolyte membrane comprising: a first layer comprising a polymer electrolyte having particles of a recombination catalyst dispersed therein; and a second layer comprising a polymer electrolyte not having any recombination catalyst dispersed therein; wherein the thickness of the bilayer electrolyte membrane is 40-60 µm; the concentration of recombination catalyst in the first layer is 1-100 µg/cm2; and the bilayer electrolyte membrane is a single coherent polymer film. Also described is a method for preparing the bilayer electrolyte membrane, a catalyst coated membrane for an electrochemical device comprising the bilayer electrolyte membrane, and a fuel cell comprising the catalyst coated membrane.
Resumen de: EP4786653A1
Provided is an electrolysis system in which current efficiency of an electrolytic hydrogenation reaction is improved by restricting the amount of water migrating to a cathode while also supplying moisture to an electrolyte membrane and reducing resistance of the electrolyte membrane. Provided is an electrolysis system including an electrolyte membrane having proton conductivity, a cathode containing a catalyst for an electrochemical reaction involving protons, an anode containing a catalyst for oxidizing water to produce protons, and a structure that supplies water vapor to the anode, wherein the anode catalyst layer contains, in part thereof, an ionomer having proton conductivity, and a ratio of (002) diffraction peak intensity of carbon relative to (110) diffraction intensity of Ir oxide of the anode catalyst layer and ohmic resistance of the electrolysis system are within specific ranges.
Resumen de: WO2025068691A1
The present invention provides a process for preparing solid, non-porous, de-alloyed electrocatalyst particles, the process comprising the steps of: providing solid, non-porous, platinum group metal alloy precursor particles PMn in which P is a platinum group metal and M is at least one alloying metal; in a de-alloying step to provide the solid, non-porous, de- alloyed electrocatalyst particles; supplying carbon monoxide to the precursor particles under conditions which remove at least some of the metal M from the surface of the precursor particles; wherein the de-alloyed electrocatalyst particles are particles of a platinum group metal alloy PMX in which P is a platinum group metal and M is at least one alloying metal, wherein the total atomic composition relative to P of M at the surface of the de-alloyed electrocatalyst is lower than the total atomic composition relative to P of M in the bulk of the de-alloyed electrocatalyst, and wherein x is less than n.
Resumen de: WO2025124791A1
The invention relates to an offshore electrolysis system (100) comprising a wind turbine (1) having a tower (19), which is anchored to the seabed, and having an electrolysis plant (5), wherein the electrolysis plant (5) is connected to the wind turbine (1) by a supply line (11), and wherein the electrolysis plant (5) has an electrolyser (13) which is arranged in a container (9), wherein the container (9) is arranged below sea level (25). The invention also relates to a method for operating a corresponding offshore electrolysis system. In this method, water is broken down into hydrogen (H2) and oxygen by an electrolyser (13) of the electrolysis plant (5), which electrolyser is located below sea level (25), wherein the hydrogen (H2) produced is transported away via a product gas line (7).
Resumen de: EP4786049A1
0001 The present invention relates to a catalyst composite and a polymer electrolyte membrane including same, wherein the catalyst composite is manufactured by complexing platinum and a metal having a higher ionization tendency than platinum with a functional support. When applied to a polymer electrolyte membrane, the catalyst composite effectively reduces the gas permeating from the counter electrode.
Resumen de: GB2703615A
A method 300 of operating an electrolyser system comprising a plurality of stacks of electrolyser cell units wherein production rate differs between stacks, comprising identifying 305 a first subset of stacks characterised by a first production rate at a nominal temperature and voltage; identifying 310 a second subset of stacks characterised by a second production rate at the nominal temperature and voltage; identifying 315 an overall production rate target; determining 320 a plurality of subsidiary production rate targets for the respective subsets of stacks based on dividing the overall production rate target by the number of stacks; deriving 330 a value for a first control parameter for the first subset of stacks to satisfy their subsidiary production rate target; and controlling 325 the plurality of stacks at the overall production rate target using a first control parameter derived for the first subset of stacks. Also disclosed is a method comprising calculating first and second collective production rates for the first and second subsets of stacks; identifying that the first collective production rate is greater than the second collective production rate; and controlling the plurality of stacks using at least one control parameter derived for the first subset of stacks. Figure 3
Resumen de: EP4786651A1
0001 An off-grid hybrid electrolytic hydrogen production system provided in the present application comprises a new energy power generation unit and an energy storage unit. A power conversion unit converts electric energy output by the new energy power generation unit and the energy storage unit into electric energy suitable for hydrogen production. An electrolysis unit comprises a proton exchange membrane hydrogen production module and a solid oxide electrolysis module, used to produce hydrogen after the introduction of electric energy. A controller uses control of charge and discharge of the energy storage unit to track an electric energy fluctuation value output by the new energy power generation unit, so that a value of total electric energy power fluctuation output by the new energy power generation unit and the energy storage unit is within a set range. The described solution provided by the present application can improve the hydrogen production efficiency of the entire hydrogen production system, and ensure that the hydrogen production system can achieve off-grid operation. Moreover, the present application eliminates the influence of power generation fluctuation of a new energy power generation unit on a hydrogen production result, by means of causing the total power fluctuation output by the new energy power generation unit and the energy storage unit to be within a set range.
Resumen de: EP4787698A1
0001 Provided in the present application are an isolation circuit for a hydrogen production system and a renewable energy hydrogen production system comprising same. The isolation circuit includes at least one direct-current conversion module and at least one DC-AC converter. The direct-current conversion module comprises a single-output port and a multi-output port, the single output port of the direct-current conversion module being in coupled connection with the DC side of the DC-AC converter, the multi-output port of the direct-current conversion module being in coupled connection with a plurality of external unidirectional power flow units and/or bidirectional power flow units, and each unidirectional power flow unit at least comprising a hydrogen production unit. The AC side of each DC-AC converter is in series coupled connection with an external alternating-current power grid or direct-current power grid. The present solution simultaneously satisfies application requirements of two coupling scenarios, effectively integrates various types of external units, and combines all components in systems into one, thus facilitating positioning of faults and repair while reducing costs.
Resumen de: US2025101608A1
An illustrative example embodiment of an apparatus and method includes providing a weave body downstream of an electrolyzer, purifying hydrogen by demisting a hydrogen stream exiting the electrolyzer via flow through the weave body; and de-oxidizing the hydrogen stream during flow through the weave body.
Resumen de: EP4530376A1
The invention relates to a modular electrolysis system comprising mulitple modules, wherein each of the mulitple modules comprises a support frame and at least one interface accessible from outside the support frame and configured to connect the module with at least one of the remaining modules, the mulitple modules comprising a water-gas coarse separation module downstream an anode outlet of the electrolysis cell module, and a water-gas fine separation module downstream a liquid outlet of the water-gas coarse separation module.
Resumen de: WO2021209547A1
The present invention relates to a method for the preparation of an electrode suitable for electrocatalysis comprising an electrocatalytically active material, in particular an anode for alkaline water hydrolysis, said method comprising the steps of (i) providing a carrier suitable for an electrode comprising an electron conductive material, (ii) providing a precursor mixture suitable for the combustion synthesis method, (iii) transferring to the electron conductive material of the carrier of step (i) the precursor mixture of step (ii) to produce an electrode precursor; and (iv) heating the electrode precursor obtained in step (iii) to produce self-ignition of the transferred precursor mixture. The invention also relates to an electrode obtainable by the method of the invention and to its use in electrocatalysis.
Resumen de: CN122503886A
本发明公开了一种风光电力离网制氢碱性电解槽的电力补偿协同系统，属一种电解制氢系统，包括风光发电单元与碱性电解槽，碱性电解槽接入直流母线，直流母线还接入风光发电单元；可逆固体氧化物燃料电池堆也接入直流母线，直流母线还接入PLC控制单元；可逆固体氧化物燃料电池堆与碱性电解槽分别接入氢气储运装置；PLC控制单元用于通过阈值判断当前碱性电解槽与可逆固体氧化物燃料电池堆的输入状态。通过在系统中集成可逆固体氧化物燃料电池堆，并通过PLC控制单元根据阈值判断切换不同的系统模式，即闭环保护体系使碱性电解槽运行过程中无需外部干预，解决了碱性电解槽在离电网运行时受到风光发电波动影响，频繁启停和功率波动的不匹配问题。
Resumen de: US2025027210A1
A PEM electrolyzer PTL is created from micro-expanded mesh metal foil layers to allow for a precise level of control over the thickness of the layers, porosity, tortuosity, pore size, interlayer connectivity, and surface roughness. Pore sizes range from 3 μm to 30 μm with a porosity (mesh open area) of 10-50%. A PEM anode pack assembly is formed from the micro-expanded PTL layers with a multi-layer expanded metal flow field and bipolar plate. The 3 subcomponents are diffusion bonded together to form an integrated pack and PVD coated on the outside surfaces.
Resumen de: CN122503898A
本发明公开了一种电解水制氢涂层及其制备方法，属于表面工程技术领域。所述电解水制氢涂层的制备方法包括以下步骤：（1）采用激光诱导表面改性技术对金属基底进行表面纳米化处理，随后进行等离子体处理，得到预处理基体；（2）采用原子层沉积技术在预处理基体上沉积致密钛基纳米层；（3）采用化学气相沉积技术在底层上沉积掺杂纳米材料中间层；（4）采用物理气相沉积技术在中间层上沉积NiFe2O4高活性催化材料顶层；（5）采用等离子体增强化学气相沉积技术在顶层表面沉积导电功能聚合物保护层。本发明制备的电解水制氢涂层具有优异的附着力、催化活性和长期稳定性，使用寿命较长。
Nº publicación: CN122503903A 04/08/2026
Solicitante:
西安热工研究院有限公司华能山东发电有限公司众泰电厂华能山东发电有限公司
Resumen de: CN122503903A
本发明公开了一种磷掺杂镍铁复合氧化物碱性电解水催化剂及其制备方法，涉及电解水制氢技术领域。所述催化剂以泡沫镍为基底，表面负载化学式为NiFeOx:P的磷掺杂镍铁复合氧化物，其中Ni与Fe原子比为1‑4:1，磷掺杂量为0.5‑3 wt%，并呈垂直纳米片结构，片层厚度10‑30 nm。其制备方法包括：泡沫镍预处理；将镍盐、铁盐和磷源溶于醇‑水混合溶剂得前驱体溶液；水热反应生长前驱体；惰性气氛煅烧。该催化剂在1 M KOH中10 mA/cm2过电位低至225 mV，塔菲尔斜率38 mV/dec，100小时衰减＜5%，且成本低廉，适用于碱性电解水制氢领域。
BOPI
Sede Electrónica
