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338
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Última actualización
02/08/2026 [07:21:00]
Resultados 25 a 50 de 338
Resumen de: WO2025061814A1
The invention relates to a system and method for controlling the operation of the gas-liquid separators (GLSan, GLSca) of an electrolyser comprising a stack (10), and anode and cathode gas-liquid separators that separate the electrolyte and the gas along an alkaline solution level (lan, lca), wherein the dioxygen and dihydrogen gases flow from their respective chambers through a gas control valve (V
Resumen de: CN121843809A
Composite materials, methods of making composite materials, and methods of using composite materials are described herein. The composite material includes an incompatible polymer and/or other incompatible materials. The composite material can be used for various industrial applications. A composite material includes a first component including a first material having a fluid permeable portion and a second component including a second material that is incompatible with the first material; the first component and the second component are coupled at an interface, the interface comprising the second material contained in the fluid permeable portion of the first material, and the interface forming a third component separating at least a portion of the first component from the second component.
Resumen de: WO2025061540A1
The invention relates to an electrochemical hydrogen compressor (1) comprising at least one compressor unit (4), wherein an electrode arrangement (4c, 4d, 4e) which is disposed between two gas flow regions (4a, 4b) in the at least one compressor unit (4) comprises a gas-tight proton-permeable layer (4d) which is contacted by a gas-permeable cathode layer (4e) on one side of the layer, and which is contacted by a gas-permeable anode layer (4c) on the other side of the layer, wherein the at least one compressor unit (4) forms a compressor arrangement (3) which is arranged in a housing (2) around the interior of a hollow, preferably tubular, gas-permeable core element (5), wherein the interior of the core element (5) is fluidically connected to the radially innermost gas flow region (4b) of the compressor arrangement (3), and the interior of the housing (2) is fluidically connected to the radially outermost gas flow region (4b) of the compressor arrangement (3).
Resumen de: WO2025059699A1
The invention relates to a device and a method for the continuous and/or semi-continuous, photocatalytic and/or photoelectrochemical production of hydrogen from waste water as reaction medium (1), with a flow element (2) forming the reaction space (2). In order to permit a better degree of effectiveness in both photocatalytic and photoelectrochemical hydrogen production from waste water despite simple design conditions, it is proposed that a multiport fitting (3) is provided upstream of the flow element (2) on the inlet side, via which multiport fitting both an oscillation pump (4) and a metering unit (5) for the reaction medium (1) are connected to the flow element (2), and that the oscillation pump (4) forms a conveying device for the reaction medium (1) by at least partially forming a plug flow in the flow element (2).
Resumen de: EP4782579A1
0001 A separator according to the present disclosure comprises: a separator body having a first surface and a second surface; a first supply hole and a first discharge hole that are formed on one diagonal line of the separator body on the first surface and pass through the separator body; a plurality of first groove parts that are formed in a region between the first supply hole and the first discharge hole; a trapezoidal first diffusion flow path that spreads from the first supply hole to the first groove part and gradually expands in the width direction from the first supply hole toward the first groove part; a trapezoidal first convergence flow path that spreads from the first groove part to the first discharge part and gradually contracts in the width direction from the first groove part toward the first discharge hole; a first diffusion guide part that is provided in the first diffusion flow path and guides a fluid from the first supply hole to the first groove part; and a first convergence guide part that is provided in the first convergence flow path and guides the fluid from the first groove part to the first discharge hole.
Resumen de: WO2025023918A1
The present disclosure relates to an electrochemical method that comprises the direct production of hydrogen from boron compound types by reduction-oxidation reactions, the simultaneous production of boron hydride compounds and the production of hydrogen by oxidation-reduction reactions of boron hydride compounds, which does not require any additional pH adjustment or purification procedure in a solution system containing low-cost boron compounds (boric acid, boron salts, etc.), and which provides direct production of high purity hydrogen in a single step and at room temperature in an environmentally friendly and low-cost manner.
Resumen de: EP4782580A1
An operation method for a water electrolyzer, including an electrolyzer for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolyzer is to be led, an oxygen separator to which oxygen generated in the electrolyzer is to be led, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve disposed in the vent line, includes: a step of stopping electrolysis of water in the electrolyzer; a step of determining whether a first indicator indicating an increase amount of an oxygen concentration in gas in the hydrogen separator or of a hydrogen concentration in gas in the oxygen separator after stopping the electrolysis exceeds a first threshold; and opening, when the first indicator exceeds the first threshold, the vent valve to decrease a pressure of the hydrogen separator or the oxygen separator to a first specified value.
Resumen de: EP4782092A1
0001 An operation method for a dehumidification apparatus for dehumidifying hydrogen gas produced by a hydrogen production apparatus, the dehumidification apparatus including a dehumidifier for removing moisture contained in the hydrogen gas, a discharge line for discharging the hydrogen gas dehumidified by the dehumidifier from the dehumidifier, a dew point measurement line connected to the discharge line, a dew point meter disposed in the dew point measurement line, and an inlet valve and an outlet valve disposed on both sides of the dew point meter in the dew point measurement line, the operation method including a stopping step of stopping discharging of the hydrogen gas from the dehumidifier to the discharge line, and a maintaining step of maintaining a state in which a dew point meter installation part of the dew point measurement line including at least an installation position of the dew point meter is filled with a dry gas when the discharging of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Resumen de: EP4782577A1
Provided is an ammonia production apparatus, including: a first electrolysis vessel in which at least part of a first electrolysis medium is stored; a first electrode arranged in the first electrolysis vessel; a second electrolysis vessel in which at least part of a second electrolysis medium is stored; a second electrode arranged in the second electrolysis vessel; a separator arranged between the first electrolysis vessel and the second electrolysis vessel; and a first separation unit configured to separate ammonia from the second electrolysis medium, wherein the first electrolysis vessel is configured so that a proton source in the first electrolysis medium is oxidized at the first electrode to generate a proton, wherein the ammonia production apparatus is configured to produce ammonia and hydrogen from nitrogen, a proton, and an electron in the presence of a nitrogen-activating catalyst in the second electrolysis medium, and wherein the ammonia production apparatus is configured to supply, to the first electrolysis medium, nitrogen and hydrogen remaining after ammonia is separated by the first separation unit.
Resumen de: US2025092538A1
A bipolar plate for an electrochemical device may include, among other things, a conductive main body extending between first and second sides to define a cross-flow arrangement. The cross-flow arrangement may include first flow channels interspersed with first ribs along the first side, second flow channels interspersed with second ribs along the second side, and cross-over channels that may extend across the respective first ribs to interconnect the adjacent first flow channels. A method of forming a component for an electrochemical device is also disclosed.
Resumen de: WO2025135726A1
The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.
Resumen de: FR3171376A1
L’invention concerne un procédé de traitement de scories alumineuses comprenant de l’aluminium, le procédé incluant : une étape de préparation (100) d’une charge solide comprenant les scories alumineuses et des boues rouges, une étape de mélange (200) de la charge solide avec une solution aqueuse une étape de récupération (300) des produits, ladite étape de récupération incluant les sous-étapes consistant à :prélever le produit solide du fluide réactionnel, ledit produit solide comprenant un oxyde d’aluminium et/ou un hydroxyde d’aluminium, et soutirer le produit gazeux contenant du dihydrogène. Figure à publier avec l’abrégé : Fig. 1
Resumen de: CN121419830A
The invention discloses a hydrogen extraction catalyst based on ammonia partial oxidation, a preparation method thereof and a hydrogen extraction method using the catalyst. The hydrogen extraction catalyst based on ammonia partial oxidation comprises a support body and ruthenium (Ru) supported on the support body, and the hydrogen extraction method using the catalyst can maintain the internal temperature of a reactor at a high temperature without an external heat source. And the problem that the existing thermal efficiency is reduced due to long reaction time can be solved, and a high ammonia conversion rate can be obtained.
Resumen de: WO2026154622A1
This photocatalyst is provided with: a support base material having a flat surface; a metal oxide layer that is made of a metal oxide and is applied to the flat surface; and a carbon nitride layer that is made of a polymeric carbon nitride that responds to visible light and is fixed to the flat surface via the metal oxide layer. The carbon nitride layer can be firmly fixed to the support base material, and by immersing the photocatalyst in a liquid, artificial photosynthesis can be performed.
Resumen de: US20260209141A1
0000 A hydrocarbon production system that generates a hydrocarbon having two or more carbon atoms from methane by an oxidative coupling reaction of methane is a hydrocarbon production system including: an oxidative coupling reaction device configured to perform an oxidative coupling reaction between methane and oxygen; a raw gas separation device configured to separate an inert component from a raw gas containing the inert component; a carbon dioxide separation device configured to separate carbon dioxide contained in a generated gas generated in the oxidative coupling reaction device; and a methanation device configured to perform a methanation reaction between hydrogen and carbon dioxide.
Resumen de: US20260209872A1
0000 The present disclosure relates, according to some embodiments to a method for steel production, the method comprising forming a hydrogen and a carbon from a natural gas using thermal plasma electrolysis; reducing iron ore fines with the H<2> to form an iron briquette; melting the briquette iron from the furnace to form a melted iron and melted non-metallic slag; separating the non-metallic slag from the melted iron in the furnace; combining the carbon and the melted iron in a furnace to form a carbon black and iron mixture; and alloying the melted iron with the carbon black to form a steel.
Resumen de: US20260209972A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
Resumen de: US20260209975A1
0000 The present invention provides a system and method for managing hydrogen storage and release, utilizing hydrogen carrier fluid (HCF) and undivided electrochemical reactors (i.e. not containing ion exchange membranes) to achieve hydrogenation/dehydrogenation of HCF.
Resumen de: US20260213538A1
0000 A power balancing system and process is provided, in which a first electrolysis unit (10) outputs a first hydrogen rich stream (11), which is converted in a methanol synthesis plant (20) to a first methanol-rich stream (21). A methanol storage unit (40) receives and stores the first methanol-rich stream (21). When additional electrical power is required, methanol from the methanol storage unit (40) can be used for power generation. The system and process allow excess electrical power to be converted into and stored as methanol during periods of low demand, and used to generate electrical power when demand is higher.
Resumen de: US20260210593A1
The present disclosure belongs to the technical field of hydrogen production by water electrolysis, and relates to an energy optimization heat pump system and method for hydrogen production by water electrolysis with low-pressure ratio. It includes a hydrogen oxygen gas-liquid separation unit, a heat pump compressor, and an expander. The hydrogen oxygen gas-liquid separation unit is connected to the hydrogen dryer through a hydrogen cooler. The hydrogen oxygen gas-liquid separation unit is connected to the heat pump absorber through a circulating cooling water pipeline, the hydrogen cooler is connected to the refrigerator through a refrigerant pipeline, and the hydrogen dryer is connected to the steam generator through a hot water pipeline and a steam pipeline respectively. The present disclosure is conducive to reducing the pressure ratio of the heat pump compressor, enriching the selection range of heat pump working fluids, and improving the energy utilization rate of the system.
Resumen de: US20260213228A1
0000 A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.
Resumen de: US20260209953A1
An alkaline water electrolyzer includes an electronic controller, a stack of electrolysis cells each comprising an anode and a cathode. The electrolyzer is configured to contain an electrolyte made of an anolyte and a catholyte. The electrolyzer also includes a system controlled by the electronic controller configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.
Resumen de: US20260209038A1
Process for production of hydrogen from ammonia, including ammonia cracking wherein ammonia is decomposed into hydrogen and nitrogen, wherein the ammonia cracking is performed in a sequence of cracking steps (13, 36, 17, 20) and a finally cracked stream (21) is obtained after a last cracking step (20), wherein the last ammonia cracking step (20) is performed adiabatically and/or the finally cracked stream (21) is quenched by direct mixing with water or steam after the last cracking step.
Resumen de: US20260209961A1
0000 A small scale high-pressure electrolyzer for generating hydrogen and oxygen is provided comprising one or more units each comprising a plurality of high-pressure electrolytic cells, wherein the electrolytic cells of each unit are electrically connected in series, as well as a central electrolyt header, functionally connected to each electrolytic cell for the supply of liquid electrolyt to the cell; a central hydrogen header connected to each electrolytic cell for the discharge of generated hydrogen from the cell; a central oxygen header connected to each electrolytic cell for the discharge of generated oxygen from the cell; a direct current power source for the power supply to each unit of serially connected electrolytic cells; wherein the units of serially connected electrolytic cells are electrically connected in parallel.
Nº publicación: WO2026152806A1 23/07/2026
Solicitante:
SOUTHEAST UNIV [CN]
\u4E1C\u5357\u5927\u5B66
Resumen de: WO2026152806A1
A chemical looping cycle-based membrane-free water electrolyzer for hydrogen production, and an operating method thereof. The electrolyzer comprises a first end plate and a second end plate separately connected to an external power supply. At least one bipolar plate is arranged between the two end plates. Electrolysis chambers are formed between the two end plates and the bipolar plate and between every two adjacent bipolar plates. A functional assembly is provided in each electrolysis chamber. The functional assembly comprises a bifunctional electrode, a porous partition plate, and an oxygen carrier electrode which are sequentially attached. The bifunctional electrode and the oxygen carrier electrode are used in combination to implement hydrogen evolution and oxygen evolution under different working conditions, accommodating power fluctuations and intermittency of renewable energy and exhibiting the potential of application to off-grid hydrogen production. The operating method comprises implementing stepwise or continuous production of hydrogen and oxygen under different working conditions by means of synergistic energy supply of a temperature field and an electric field.
BOPI
Sede Electrónica
