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464
resultados
Última actualización
14/03/2025 [07:02:00]
Resultados 50 a 75 de 464
Resumen de: US2025075139A1
A plant for the production of synthetic fuels, in particular jet fuel (kerosene), crude petrol and/or diesel, includes:a) a synthesis gas production unit for the production of a raw synthesis gas from methane, water and carbon dioxide, the synthesis gas production unit having at least one reaction section in which methane, water and carbon dioxide react to form the raw synthesis gas, and at least one heat generation section in which the heat necessary for the reaction of methane and carbon dioxide to produce the raw synthesis gas is generated by burning fuel to form flue gas,b) a separation unit for separating carbon dioxide from the raw synthesis gas produced in the synthesis gas production unit,c) a Fischer-Tropsch unit for the production of hydrocarbons by a Fischer-Tropsch process from the synthesis gas from which carbon dioxide has been separated in the separation unit, andd) a refining unit for refining the hydrocarbons produced in the Fischer-Tropsch unit into synthetic fuels,the plant further comprising e 1) a separation unit for separating carbon dioxide from the flue gas discharged from the synthesis gas production unit via the flue gas discharge line and/or e 2) a flue gas return line which is connected to the heat generation section of the synthesis gas production unit, wherein i) the carbon dioxide separated from flue gas or the flue gas itself via the flue gas return line and ii) the carbon dioxide separated from the raw synthesis gas are either fed directly to
Resumen de: US2025081802A1
A package structure, a preparation method for the package structure, and a display panel are provided. The package structure includes a first inorganic layer, a photocatalytic layer, and a second inorganic layer that are sequentially stacked, where the photocatalytic layer includes a photocatalytic material and a co-catalyst. The photocatalytic material and the co-catalyst are used cooperatively to catalyze the decomposition of water vapor, the photocatalytic material includes graphitic carbon nitride (g-C3N4) particles, and the co-catalyst includes perylene tetracarboxylic acid (PTA). The photocatalytic layer possesses high catalytic efficiency and excellent stability. In the case where cracks are generated at the package structure, water vapor invading through the cracks is decomposed and consumed through an oxidation-reduction reaction, and then decomposition products are respectively discharged.
Resumen de: AU2023260588A1
A separator for alkaline electrolysis (1) comprising a porous support (10), a first porous layer (20b) provided on one side of the porous support and a second porous layer (30b) provided on the other side of the porous support, wherein the first and the second porous layer are partially impregnated into the porous support and each have an overlay thickness d1 and d2 respectively, said overlay thickness being defined as the part of each porous layer which is not impregnated into the porous support, characterized in that a) d1 is smaller than the overlay thickness of the second porous layer (d2), and b) d1 is at least 20 µm.
Resumen de: GB2633197A
Producing hydrogen by catalytically cracking ammonia 14 comprises: a main ammonia cracking reactor 4 with catalyst 8 and a fuel combustion zone 10 surrounding the reaction tubes 6 to generate a main hydrogen containing gas stream 11, and an auxiliary ammonia cracking reactor 12 to generate an auxiliary hydrogen containing gas stream 16. A portion 18 of the auxiliary hydrogen containing gas stream 16 is directed to the ammonia cracking catalyst 8 of the main reactor 4 and a portion 20 of this gas stream 16 is directed to the combustion zone 10 of the main ammonia cracking reactor 4.
Resumen de: EP4518077A1
The invention is about a wind-powered hydrogen plant (1) with a wind turbine (2) electrically coupled to an electrolysis system (3) with rows of electrolyser stacks (4), the wind turbine (2) comprising a generator (5) with a rotor (6) and a stator (7), the stator (7) being divided into winding segments (8) with an electrical insulation between individual winding segments (8), the number of which is a multiple of three, each group of three winding segments (8) forming a three-phase system connecting to one of individual rectifier circuits (9), and the electrolysis system (3) comprising individual DC/DC converters (10), each connected to a row of electrolyser stacks (4), wherein a DC output power of all individual rectifier circuits (9) is kept separated and the individual rectifier circuits (9) are each directly connected to one of the individual DC/DC converters (10). The invention also relates also to a method for converting wind energy into electrical energy for the operation of an electrolysis system (3).
Resumen de: EP4516965A2
An electrode according to an embodiment including a support and a catalyst layer provided on the support and alternately stacked with sheet layers and gap layers. The catalyst layer is for electrolysis. The catalyst layer comprises a first metal which is one or more elements selected from the group consisting of Ir, Ru, Pt, Pd, Hf, V, Au, Ta, W, Nb, Zr, Mo, and Cr, and a second metal which is one or more elements selected from the group consisting of Ni, Co, Mn, Fe, Cu, Al, and Zn. The catalyst layer comprises a first region and a second region. The first metal in the first region is more oxidized than the first metal in the second region. A ratio of the second metal in the first region is greater than the ratio of the second metal in the second region.
Resumen de: GB2633015A
A method for isolating the portion of a chemical product of a chemical reaction produced using energy from renewable sources is described. The chemical reaction requires an energy input derived from renewable sources, non-renewable sources, or a combination of such sources. The method comprises obtaining a total chemical product of the chemical reaction; providing (i) the amount of energy input into the chemical reaction derived from renewable sources and (ii) the amount of chemical product produced by the chemical reaction; using (i) and (ii) to determine the portion of the total chemical product produced using energy from renewable sources. The portion of chemical product produced using energy from renewable sources is separated from the total chemical product. Also provided is an apparatus to produce at least one chemical product able to separate the portion of the chemical product produced using energy from renewable sources from the chemical product output.
Resumen de: GB2633044A
A process for cracking ammonia (NH3) to produce hydrogen (H2), comprising feeding an ammonia gas input stream 4 to an ammonia cracking reactor 2 to crack the ammonia gas 4 to generate a hydrogen containing gas stream 8, wherein the cracking reactor 2 comprises one or more reaction tubes 6 containing ammonia cracking catalyst and one or more burners 12 for combusting a mixture of an oxidant-containing gas 18 and a fuel 10 in a fuel combustion zone 14 surrounding the one or more reaction tubes 6 to provide heat energy to support the cracking of ammonia, wherein the oxidant-containing gas 18 is pre-heated to at least 300°C prior to being fed to the one or more burners 12. Further defined are an ammonia cracking reactor for implementing the process, and a system comprising the reactor and a purification unit, wherein the purification unit is configured to generate a purified hydrogen stream and a waste gas stream which is directed to the combustion zone of the ammonia cracking reactor to at least partially fuel the reactor. The oxidant-containing gas may be air, oxygen-enriched air or oxygen, and may be pre-heated by a heat-exchanger within a flue duct of the reactor.
Resumen de: EP4516964A1
The invention relates to a stack-type electrolyzer for obtaining hydrogen and oxygen, provided with lateral closure caps (2) and cells (3), each cell (3) comprising: a current collector anode plate (5a) and cathode plate (5b); one porous transport layer (7,8) comprising a conductive porous material that is a hard magnet, a semi-hard magnet or a soft magnet, a first catalysts for the anode plate (5a) and a second catalysts for the cathode (5b) plate; and a first arrangement of magnets (6), that are hard or semi-hard, attached to the current collector anode plate (5a), and/or to the current collector cathode plate (5b).
Resumen de: EP4516969A1
The present application provides a new energy hydrogen production system and a control method therefor. In the new energy hydrogen production system, a new energy input module supplies power to electrolytic cells by means of a power conversion module; and a control system of the new energy hydrogen production system is used for controlling, according to the power of the new energy input module, the power conversion module to work, such that among N electrolytic cells in an operation state, at least N-1 electrolytic cells work in a preset load range. The preset load range is a corresponding load range having the highest system efficiency in an electrolytic cell working range division result prestored in the control system, i.e., the present application can enable as many electrolytic cells as possible to respectively work in the preset load range having the highest system efficiency, and therefore, the system efficiency is improved and is optimized to the extent possible.
Resumen de: AU2023262052A1
A water splitting system includes a hydrogen production chamber including a hydrogen production port, an oxygen production chamber including an oxygen collection port, an ion exchange membrane coupling the hydrogen production chamber and the oxygen production chamber, and a photocatalytic structure including a first catalytic portion disposed in the hydrogen production chamber and a second catalytic portion disposed in the oxygen production chamber. The first catalytic portion is configured for production of hydrogen via the hydrogen production port. The second catalytic portion is configured for production of oxygen via the oxygen production port.
Resumen de: EP4516383A1
The present invention relates to a system for capturing and recycling carbon dioxide and producing hydrogen for a cement manufacturing facility. An embodiment of the present invention is characterized by comprising: a preheater that has a plurality of stages of cyclones arranged in series in a vertical direction and receives and preheats a cement raw material; a calciner that calcines the cement raw material preheated by the preheater; a kiln that fires the cement raw material calcined in the calciner; an exhaust line, connected to the cyclones of the preheater, that discharges exhaust gas discharged from each of the calciner and the kiln to the outside; a reactor, disposed on the exhaust line, that receives the exhaust gas and reacts the exhaust gas with a basic alkali mixed solution to capture carbon dioxide in the exhaust gas, collect a reactant including the captured carbon dioxide, and separate a carbon dioxide reactant and a waste solution from the reactant; and a hydrogen generator that generates hydrogen gas by receiving the carbon dioxide reactant separated from the reactor.
Resumen de: EP4517889A1
A carbon dioxide capture and carbon resource utilization system, for a fuel cell, using boil-off gas (BOG) generated from liquefied natural gas (LNG) of the present invention comprises: a liquefied natural gas storage which stores liquefied natural gas therein; a hydrocarbon reformer which generates a gas mixture containing hydrogen and carbon dioxide by reacting boil-off gas generated from the liquefied natural gas storage with water introduced from the outside; a fuel cell which receives hydrogen generated from the hydrocarbon reformer to generate electric power; a reactor which receives carbon dioxide generated from the hydrocarbon reformer to react the carbon dioxide with a basic alkali mixture solution, thereby capturing carbon dioxide, collects a reaction product containing the captured carbon dioxide, and separates a carbon dioxide reaction product and a waste solution from the reaction product; and a hydrogen generator which generates hydrogen by using the carbon dioxide reaction product separated from the reactor and supplies the generated hydrogen to the fuel cell.
Resumen de: AU2023306752A1
Provided is an operation support device comprising: a calculation unit that calculates the production amount of products per hour, which satisfies the target production amount of products to be produced over a predetermined period of time by a plurality of electrolyzers, on the basis of predetermined hourly electricity costs or power consumption in the course of the operation of the plurality electrolyzers operating in parallel; and an identification section that identifies an operating electrolyzer among the plurality of electrolyzers on the basis of the production amount calculated by the calculation unit. The calculation unit may calculate a production amount that satisfies a target production amount of products over a period of time and minimizes electricity cost or power consumption over a period of time.
Resumen de: AU2025200640A1
ELECTRICAL POWER GENERATION SYSTEMS AND METHODS REGARDING SAME A solid or liquid fuel to plasma to electricity power source that provides at least; one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos, (ii) a chemical feel mixture comprising at least two components chosen from: a source of H20 catalyst or H2 0 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; one or more reactants to initiate the catalysis of atomic hydrogen; and a material to cause the feel to be highly conductive, (iii) a fuel injection system such as a railgun shot injector, (iv) at least one set of electrodes that confine the fuel and an electrical power source that provides repetitive short bursts of flow-voltage, high-current electrical energy to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos to form a brilliant-light emitting plasma, (v) a product recovery system such as at least one of an augmented plasma railgun recovery system and a gravity recovery system (vi) a fuel pelletizer or shot maker comprising as me Her. a source or hydrogen and a source of H20, a dripper and a water bath to form fuel pellets or shot, and an agitator to teed shot into the injector, and (vii) a power converter capable of converting the high-power light output of the cell into electric
Resumen de: US2025059027A1
The invention discloses a system for producing hydrogen by ammonia decomposition reaction and a hydrogen production method. The system comprises an ammonia storage device, a heat exchange device, an ammonia decomposition reaction device, a first compression device and a first adsorption device, and the ammonia storage device is in communication with a gas inlet of the ammonia decomposition reaction device through a cold liquid channel on the heat exchange device; and a gas outlet of the ammonia decomposition reaction device is in communication with the first adsorption device through a gas channel on the heat exchange device by means of the first compression device communicating with the first adsorption device; the first adsorption device comprises a plurality of adsorption columns arranged in parallel, the first compression device is in communication with inlets of a plurality of the adsorption columns at the same time, a control valve is arranged between the adsorption inlet of each adsorption column and the first compression device, and the adsorption outlets of a plurality of adsorption columns communicate with each other, a control valve is provided between adsorption outlets of two adjacent adsorption columns, and the adsorption inlet of each adsorption column is in communication with the ammonia decomposition reaction device. The system realizes cyclic utilization of tail gas after desorption of the adsorption column, and reduces the damage of ammonia gas and nitrogen
Resumen de: JP2025028289A
【課題】より容易に組み立てることのできる電解液体生成装置を得る。【解決手段】電解液体生成装置１は、互いに隣り合う電極８４，８５間に導電性膜８６が介在するように積層された積層体８１を有し、液体を電解処理する電解部８０と、電解部８０が内部に配置されるハウジング１０と、を備えている。また、ハウジング１０は、電解部８０が挿通可能な開口部３３２ａを有し電解部８０が収容されるケース２０と、ケース２０の開口部３３２ａを覆う蓋６０と、を備えている。そして、ケース２０には、積層体８１の積層方向に延在し、電解部８０の収容をガイドするガイド部３５３が設けられている。【選択図】図１２
Resumen de: MX2024010250A
The invention relates to a device for generating hydrogen gas and oxygen gas from water, comprising: a case, which forms a hydrolysis chamber designed to contain an amount of water; electrode means that act as a cathode and as an anode; and gas-separating means, disposed in the hydrolysis chamber between the cathode and the anode, which comprise a permeable membrane segment suitable for preventing the generated hydrogen gas and oxygen gas from passing through the permeable membrane segment and mixing together, the hydrolysis chamber being divided into a first portion that contains the cathode and a second portion that contains the anode, wherein the first and second chamber portions are in fluid communication with respective pipes for hydrogen gas and for oxygen gas. The invention also relates to a system for the same purpose, comprising at least one device as described above.
Resumen de: EP4516965A2
An electrode according to an embodiment including a support and a catalyst layer provided on the support and alternately stacked with sheet layers and gap layers. The catalyst layer is for electrolysis. The catalyst layer comprises a first metal which is one or more elements selected from the group consisting of Ir, Ru, Pt, Pd, Hf, V, Au, Ta, W, Nb, Zr, Mo, and Cr, and a second metal which is one or more elements selected from the group consisting of Ni, Co, Mn, Fe, Cu, Al, and Zn. The catalyst layer comprises a first region and a second region. The first metal in the first region is more oxidized than the first metal in the second region. A ratio of the second metal in the first region is greater than the ratio of the second metal in the second region.
Resumen de: US2024402112A1
A method for operating a plurality of electrolyzer-stacks includes determining a concentration of impurities, which is originated by a second reaction gas electrochemically produced at a second electrode type of each of the electrolyzer-stacks, within a first gas stream; generating a trigger signal if the concentration of the impurities of the second reaction gas within the merged first reaction gas exceeds a specific second reaction gas level; identifying at least one electrolyzer-stack out of the plurality of electrolyzer-stacks, which is low performing in respect to excessively feeding second reaction gas impurities into the first gas stream, by measuring a current density of at least one electrolyzer-stack of the plurality of electrolyzer-stacks, if the trigger signal is generated.
Resumen de: CN118792678A
The invention belongs to the technical field of nano materials, and particularly discloses an electrode catalyst and a preparation method thereof.The electrode catalyst comprises a nano-particle cluster comprising at least three metal elements; and a dispersion layer formed between the nanoparticles of the nanoparticle cluster. The preparation method comprises the following steps: preparing a precursor mixed solution; and adding a reducing agent into the precursor mixed solution, stirring, reacting and drying to obtain the electrode catalyst. The active sites of the nano-particle cluster disclosed by the invention are highly exposed, and the nano-particle cluster has high conductivity.
Resumen de: CN118786247A
The invention relates to an electrolytic cell for chlor-alkali electrolysis or alkaline water electrolysis, comprising two cell elements (2, 3), each cell element (2, 3) defining an electrode chamber (4, 5) by providing a rear wall (6) and a side wall (7) of the electrode chamber (4, 5); the invention relates to an electrolytic cell (1) comprising two cell elements (2, 3), a plurality of electrode chambers (4, 5), electrodes (8, 9) housed in each electrode chamber (4, 5), and a sheet-like separator (10) extending in the height direction (H) and width direction of the electrolytic cell (1), the separator (10) being mounted at a junction (11) between the two cell elements (2, 3) and providing a partition wall (17) between the electrode chambers (4, 5); wherein at least one of the electrodes (8, 9) is made of a metal mesh (16) supported by a plurality of webs (12) connected to the rear wall (6) of the respective electrode chamber (4, 5), the webs (12) extending in the height direction (H) of the electrolytic cell (1); a plurality of ribs (13) extending in the width direction (W) of the electrolytic cell (1), the plurality of ribs being carried by the web (12), the electrodes (8, 9) being arranged on the plurality of ribs (13).
Resumen de: US2025066932A1
The present disclosure provides a functional (photovoltaic) PV powered facilitated Water electrolyzer system for solar hydrogen generation having two components: a functional PV panel and a facilitated water electrolyzer. The present invention provides functional PV powered facilitated water electrolyzer (F-PV-WE) systems. The invention provides a process using integrated functional PV with facilitated water electrolysis for multiproduct generation including hydrogen, oxygen and hypochlorite with reduction in energy and environmental footprint.
Resumen de: AU2023313378A1
The present invention relates to a method and device for producing hydrogen by dissociating water molecules through thermochemical reactions, using a small amount of active material. The thermochemical reactions are induced by solar power with a moderate concentration of up to 50 suns, which can be achieved through linear or parabolic concentrators.
Nº publicación: US2025066938A1 27/02/2025
Solicitante:
HYUNDAI MOTOR CO LTD [KR]
KIA CORP [KR]
Hyundai Motor Company,
Kia Corporation
Resumen de: US2025066938A1
Provided are a porous transport layer for water electrolysis including a first layer containing first particles of a titanium group element, and a second layer containing second particles of a titanium group element. An average diameter of the first particles is larger than an average diameter of the second particles, and a surface of the first layer abutting the second layer is planarized. A method for manufacturing the same is also provided.
BOPI
Sede Electrónica
