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965
resultados
Última actualización
29/10/2026 [07:18:00]
Resultados 100 a 125 de 965
Resumen de: US20260317931A1
A plant, e.g. a syngas plant or hydrogen plant, or a combined syngas and hydrogen plant is provided. The plant comprises a reforming section, a CO2-removal section and a first electrolysis unit. A first portion of a first CO2-rich stream outputted from the CO2-removal section is arranged to be supplied to the anode of the first electrolysis unit as a sweeping gas for oxygen product gas. Certain streams, downstream the first electrolysis unit are arranged to be fed to the reforming section as at least a portion of an oxygen-rich feed. Various processes are also provided for the production of hydrogen and/or syngas in the plant.
Resumen de: US20260315960A1
The disclosure relates to a filter for treating process fluid, such as that arises during hydrogen electrolysis, having a first filter element and a second filter element, which encloses the first filter element with the formation of a flow space with a predefinable radial spacing, wherein each filter element has a filter medium through which the process fluid can flow in a flow-through direction. Seen in the flow-through direction, the one filter medium forms a first degassing stage, which is used to enlarge gas bubbles through coalescence and to remove same from the process fluid through separation caused by buoyancy, and the subsequent further filter medium forms a second degassing stage, which is used to remove very finely distributed gas bubbles remaining in the process fluid, again through coalescence and the Separation of same through rising caused by buoyancy.
Resumen de: EP4617402A1
0001 A method for control of the individual catholyte and anolyte flows through a multitude of electrolyser stacks is provided wherein: a. each electrolyser stack (2) is adapted to perform electrolysis of water, and b. all electrolyser stacks (2) are served with an electric current and that, c. all electrolyser stacks (2) are served with anolyte flow (26), and d. all electrolyser stacks (2) are served with catholyte flow (27). 0002 It is preferred that e. differential pressure signals (28.1) at each electrolyser stack (2) is provided and, f. that catholyte control signals (43) and anolyte control signals (42) to each of a catholyte stack inflow valve actuator (44) and an anolyte stack inflow valve actuator (45) are provided for the regulation of each of an anolyte stack inflow valve (56) and a catholyte stack inflow valve (57). 0003 An electrolyser system is also provided.
Resumen de: US20260317918A1
0000 A membrane electrode assembly includes: an anode; a cathode; and an electrolyte membrane provided between the anode and cathode. The anode includes: a porous and conductive anode conductive transport layer; and an anode catalyst layer provided between the anode conductive transport layer and the electrolyte membrane. The anode catalyst layer includes first sheet layers and first gap layers, each first sheet layer and each first gap layer being alternately stacked. The cathode includes a porous and conductive cathode conductive transport layer, and a cathode catalyst layer provided between the cathode conductive transport layer and the electrolyte membrane. The cathode catalyst layer includes second sheet layers and second gap layers, each second sheet layer and each second gap layer being alternately stacked. A porosity of the cathode conductive transport layer is higher than a porosity of the anode conductive transport layer.
Resumen de: WO2026216729A1
The present invention relates to a plasma-based hydrogen production apparatus capable of significantly improving hydrogen production efficiency by using a means for selectively isolating only hydrogen ions in the process of introducing fine water particles to a plasma reactor and electrolyzing water molecules to separate ions. That is, the present invention is characterized by a plasma-based hydrogen production apparatus which introduces fine water particles to a plasma reactor to which power is applied and electrolyzes water molecules to separate ions, wherein: the plasma reactor includes a housing composed of a vertical tube of a certain length, a reduction electrode installed in the inner center of the housing to apply negative charges, a negative-ion separator installed on the outer circumference of the reduction electrode, an oxidation electrode installed between the negative-ion separator and an inner wall of the housing to apply positive charges, a particulate inlet installed under the housing to introduce the fine water particles to the reduction electrode, an oxygen outlet formed on an upper sidewall of the housing to discharge oxygen generated by the oxidation electrode, and a hydrogen outlet formed above the housing to discharge hydrogen generated while passing through the reduction electrode; and the power is applied to the plasma reactor by connecting the reduction electrode to a first electrical connection unit provided inside a first electrode cap and connectin
Resumen de: US20260317632A1
The present invention relates to a carbon reduction type SAGD plant system using green hydrogen, which substitutes for expanding solvent steam-assisted gravity drainage (ES-SAGD) which is a method using an additive (a solvent or the like) in order to reduce steam and natural gas and to lower a steam-oil ratio (SOR) having an influence on generation of environmental pollution, upon recovering an oil component from oil sands reserved under the ground, based on a steam-assisted gravity drainage (SAGD) technology most common among methods of recovering bitumen from oil sands, thereby being capable of recovering bitumen while greatly reducing greenhouse gas emissions conventionally pointed out as a most serious problem, using only a mixture of eco-friendly hydrogen produced through a water electrolysis device with natural gas and steam.
Resumen de: US20260317926A1
0000 A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order:—an optional porous polymer layer (200),—a non-porous alkali-stable polymer layer (300), and—a catalyst layer (400).
Resumen de: US20260317166A1
0000 The gas pyrolysis unit 2 according to the present invention includes: a honeycomb structure 20 having one or more honeycomb structure portions 24, each of the one or more honeycomb structure portions 24 having an outer peripheral wall 240 and partition walls 241 disposed inside the outer peripheral wall 240, the partition walls 241 defining a plurality of cells 241a each extending from one end face to the other end face to form a flow path; and an induction heating coil 21 disposed around an outer periphery of the honeycomb structure 20, wherein at least one of the one or more honeycomb structure portions 24 contains at least one conductor and/or magnetic material 25.
Resumen de: WO2026213927A1
Provided in the present application is a stamped bipolar plate for PEM water electrolysis hydrogen production, the stamped bipolar plate comprising a plate body. One end of the plate body is provided with a first water port, and the other end of the plate body is provided with a second water port, wherein the first water port and the second water port are arranged diagonally. One side surface of the plate body is provided with a first bridging region, a second bridging region, a first distribution region, a second distribution region and a first reaction region, wherein the first bridging region is in communication with the first water port, and the first distribution region is disposed between the first bridging region and the first reaction region; the second bridging region is in communication with the second water port, and the second distribution region is disposed between the second bridging region and the first reaction region; and the first distribution region and the second distribution region each comprise a plurality of first bosses and first recesses which are alternately arranged. Further provided in the present application is a PEM electrolyzer. The present application has good mechanical strength and electrical conductivity, a flow field is uniformly distributed, and the sealing effect is good, such that the gas transmission efficiency is improved, thereby improving the overall electrolysis efficiency is improved.
Resumen de: WO2025126076A1
A method may include injecting a fluid into a geological formation comprising an impermeable rock matrix, wherein the fluid reacts with the impermeable rock matrix resulting in production of hydrogen. A method may include accelerating hydrogen production by increasing a reactive surface area and/or adjusting a chemical composition of the fluid. A method may include receiving or recovering backflow fluid and produced hydrogen at a surface location.
Resumen de: WO2026216168A1
A hydrogen production system (1) has a steam electrolysis device (3) and a steam supply unit (2) for supplying steam to the steam electrolysis device (3). The steam supply unit (2) has: a heat exchanger (21) for heating liquid water (w) to generate first steam (v1) which is wet saturated vapor; and an electric heater (22) for heating the first vapor (v1) to generate second vapor (v2) having a higher degree of dryness than the first vapor (v1).
Resumen de: US20260317923A1
0000 A photoelectrocatalyst that includes nanoparticles of manganese (Mn) and cobalt (Co) co-doped zinc oxide (ZnO) having a formula of Mn
Resumen de: DE102025113916A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Betreiben eines Elektrolysesystems (200), das eine Vielzahl Zellstapel (201, 202, 203) umfasst, wobei das Verfahren (100) umfasst:- Betreiben (101) jeweiliger Zellstapel (201, 202, 203) des Elektrolysesystems (200) an einem vorgegebenen Betriebspunkt,- Ermitteln (102) eines Verhältnisses von Wasserstoffgas zu Sauerstoffgas auf einer Anodenseite eines jeweiligen Zellstapels (201, 202, 203) an dem vorgegebenen Betriebspunkt,- Ermitteln (103) eines spezifischen Kennwerts, der einen Zustand des jeweiligen Zellstapels angibt, anhand des ermittelten Verhältnisses von Wasserstoffgas zu Sauerstoffgas, und- Reduzieren (104) einer Spannung eines ersten Zellstapels, an dem von allen Zellstapeln (201, 202, 203) eine höchste Spannung anliegt, wenn eine dem Elektrolysesystem (200) bereitgestellte Menge an elektrischem Strom unter einen vorgegebenen Reduktionsschwellenwert fällt, wobei für den Fall, dass die Spannung des ersten Zellstapels auf einen Wert zu reduzieren ist, der zu einem Verhältnis von Wasserstoffgas zu Sauerstoffgas auf der Anodenseite des ersten Zellstapels führt, das kleiner ist als der spezifische Kennwert des ersten Zellstapels, statt der Spannung des ersten Zellstapels die Spannung eines weiteren Zellstapels der Vielzahl Zellstapel (201, 202, 203) reduziert wird.
Resumen de: WO2026216834A1
A method of energy self-sufficient sodium sulfate waste recycling of the present invention comprises the step of: feeding sodium sulfate waste into a two-compartment electrolytic cell and applying electric current so as to generate caustic soda, sulfuric acid, hydrogen, and oxygen; adding the mixture of the generated sulfuric acid and unreacted sodium sulfate waste into a crystallizer so as to recrystallize the sodium sulfate waste and separating into sulfuric acid and sodium sulfate crystals; supplying the hydrogen and the oxygen to a hydrogen fuel cell; and recycling the sodium sulfate crystals as a feedstock for the two-compartment electrolytic cell wherein the two-compartment electrolytic cell has a structure including a first cathode, a first anode, and a cation exchange membrane (CEM) disposed between the first cathode and the first anode, the hydrogen fuel cell has a structure including a second cathode, a second anode, and a proton exchange membrane (PEM) disposed between the second cathode and the second anode, and electrical energy generated by the hydrogen fuel cell may be used as electric power for the two-compartment electrolytic cell.
Resumen de: US20260316030A1
0000 Provided are an apparatus for promoting a chemical reaction of a metal oxide catalyst using microwaves and plasma and a method for promoting a chemical reaction using the same, which are capable of producing hydrogen by reducing and oxidizing a catalyst member, which is a metal oxide, and performing water splitting under a relatively low temperature.
Resumen de: WO2026216667A1
The present invention relates to a multi-layered iridium catalyst layer comprising a first layer and a second layer formed on one surface thereof, wherein the first layer is crystalline iridium or iridium oxide, and the second layer is amorphous iridium or iridium oxide.
Resumen de: US20260317920A1
0000 The present disclosure relates to a porous transport layer, a water electrolysis cell including the same, and a method for manufacturing the porous transport layer. According to one aspect of the present disclosure, a porous transport layer including a porous substrate and a first coating layer disposed on one surface of the porous substrate and including platinum (Pt)-containing nanoparticles may be provided.
Resumen de: US20260317928A1
The present invention relates to a divided cell for alkaline water electrolysis, where the separator is equipped with a gasket having anisotropic elastic properties and exhibiting reduced gasket deformation along the plane of the major surface of the separator when subject to a compression force perpendicular to that plane. The invention also relates to an electrolyser comprising a plurality of cells as hereinbefore described.
Resumen de: EP4821585A2
Processes and apparatus for electrocatalytically converting carbon dioxide emissions and/or ambient carbon dioxide into useful chemicals are described. The process may include: removing carbon dioxide from ambient air through a carbon capture technique, supplying a carbonate or bicarbonate aqueous solution as cathode feed to a cathode of an electrolytic cell comprising a membrane electrode assembly which includes a bipolar membrane separating an anode from the cathode, and applying an electrical potential difference between the cathode and the anode of the membrane electrode assembly to electrocatalytically reduce the carbonate or bicarbonate aqueous solution to carbon monoxide or another useful chemical.
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: EP4822060A1
0001 The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.
Resumen de: CN119710757A
0001 The off-grid hybrid electrolysis hydrogen production system provided in this application includes a new energy power generation unit and an energy storage unit. A power conversion unit converts the electrical energy output from the new energy power generation unit and the energy storage unit into electrical energy suitable for hydrogen production. The electrolysis unit includes a proton exchange membrane hydrogen production module and a solid oxide electrolysis module, used for hydrogen production after the introduction of electrical energy. The controller uses the charge and discharge control of the energy storage unit to track the fluctuation value of the electrical energy output from the new energy power generation unit, ensuring that the total electrical energy fluctuation value output by the new energy power generation unit and the energy storage unit is within a set range. The above-mentioned solution provided in this application can improve the hydrogen production efficiency of the entire hydrogen production system, ensure that the hydrogen production system can operate off-grid, and, by keeping the total electrical energy fluctuation of the new energy power generation unit and the energy storage unit within a set range, this application eliminates the impact of power generation fluctuations from the new energy power generation unit on the hydrogen production effect.
Resumen de: EP4822059A1
0001 The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: EP4822062A1
0001 Provided is a membrane electrode assembly capable of suppressing hydrogen crossover. A membrane electrode assembly for polymer electrolyte membrane water electrolysis which comprises an anode having a catalyst layer, a cathode having a catalyst layer and a polymer electrolyte membrane provided between the anode and the cathode wherein at least one of the catalyst layer in the anode and the catalyst layer in the cathode comprises a fluorinated polymer having ion exchange groups and comprising units having a cyclic ether structure.
Nº publicación: JP2026167286A 14/10/2026
Solicitante:
トヨタ自動車株式会社
Resumen de: JP2026167286A
【課題】水電解セルの劣化を抑制しつつ、エージング効果を奏する水電解システムを提供する。【解決手段】水電解セルで水電解を行う水電解システムであって、エージング処理として酸素極側に対して、低電圧側は１．４８Ｖ以下、高電圧側は１．８５Ｖ以下となるサイクル電圧を印加する。【選択図】図４
BOPI
Sede Electrónica
