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35
resultados
Última actualización
13/09/2026 [07:33:00]
Resumen de: US20260265938A1
To provide a fluorinated polymer, from which such a polymer membrane can be produced that when a laminate having a polymer membrane that contains a fluorinated polymer having groups convertible to ion exchange groups sandwiched between transfer base materials is subjected to hot pressing and then the transfer base materials are peeled from the laminate, few pinholes are formed in the polymer membrane. To provide an electrolyte membrane using the fluorinated polymer, a membrane electrode assembly and a water electrolyzer. The fluorinated polymer of the present disclosure is a fluorinated polymer having units based on tetrafluoroethylene and having groups convertible to ion exchange groups, wherein no endothermic peak is observed within a range of 300 to 350° C. measured by differential scanning calorimetry.
Resumen de: AU2025230555A1
The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.
Resumen de: US20260264061A1
The present invention relates to a process for converting a gas comprising NH3 in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and of a catalyst comprising a support comprising alumina, nickel, and at least one promoter comprising iron. The invention also relates to such a catalyst, and to the use thereof for producing high value-added molecules like hydrogen (H2).
Resumen de: US20260269280A1
A part includes comprising a metal substrate and a layer of amorphous carbon-based material having sp2 hybridised bonds and sp3 hybridised bonds. The layer has a first content of sp3 hybridised bonds on the substrate side, anda second content of sp3 hybridised bonds on the side of an external surface of the layer,the first content being greater than the second content.An average content within the layer of sp3 hybridised bonds is between 5% and 65%and in that the content of sp3 hybridised bonds evolves continuously within the layer.
Resumen de: US20260265939A1
The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.
Resumen de: AU2025262338A1
Methods and systems for synthesis using an underwater electric arc. Such methods and systems form an electrical arc between an anode and a cathode positioned under water or within an aqueous mist and introduce an added material into the vicinity of the electrical arc. The formation of the electrical arc in the vicinity of the added material facilitates synthesis of chemical products from the added material. Such synthesized chemical products include ammonia, hydrogen, cyanide, and hydrogen cyanide.
Resumen de: US20260265924A1
An electrolysis system contains: at least one electrolysis cell; a cathode-side water circuit having a hydrogen separator; an anode-side water circuit having an oxygen separator; an equalization connection which leads, coming from a cathode-side water connection, to the anode-side water circuit via a pump and an ion exchanger via a node point and an operating line; and an idle line which branches off upstream of the control line and leads to the cathode-side gas connection.
Resumen de: US20260265612A1
The present invention relates to a process for converting a feedstock comprising at least one biomass fraction into hydrocarbons, said process comprising a step a) of pretreating the feedstock, a step b) of electrolysis of water into oxygen and hydrogen allowing the production of a stream of hydrogen and of a stream of oxygen, in which the water is at least partly obtained from a Fischer-Tropsch synthesis step e), a step c) of gasification of the feedstock pretreated in step a), in the presence of all or part of the oxygen stream obtained from the water electrolysis step b) so as to obtain a gaseous effluent comprising a synthesis gas, an optional step d) of conditioning the gaseous effluent comprising a synthesis gas obtained from step c) and a step e) of Fischer-Tropsch synthesis of the gaseous effluent obtained from step c) or optionally from step d) in the presence of all or part of the hydrogen obtained from the water electrolysis step b) so as to produce a stream comprising synthetic liquid hydrocarbons and at least one gaseous effluent.
Resumen de: US20260265923A1
A process for producing hydrogen includes a) providing a starting mixture containing bromine, water and a sulfur containing compound, b) reacting the starting mixture provided in a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in b) into hydrogen bromide enriched compositions and into sulfuric acid enriched compositions the hydrogen bromide enriched composition contains at most 1,000 ppm of sulfuric acid, c) comprises at least two distillation steps, d) subjecting a portion of the hydrogen bromide enriched composition to an electrolysis so as to obtain hydrogen and a bromine containing composition, the electrolysis cell is operated at an operational temperature of at least 70° C., and e) recycling a portion of the bromine containing composition obtained in d) back to a).
Resumen de: US20260265080A1
A low Pt-loaded MXene-carbon nanotube aerogel film and its preparation method are provided. The method includes adding an H2PtCl6 solution to a MXene nanosheet colloidal suspension to obtain a Pt@MXene nanosheet suspension, mixing the Pt@MXene nanosheet suspension with a carbon nanotube suspension to obtain a mixed suspension under ultrasonic treatment, and cooling a metal plate in liquid nitrogen in advance, placing the mixed suspension on a surface of the metal plate for rapid freezing, and freeze-drying to obtain a low Pt-loaded MXene-carbon nanotube aerogel film material with a vertical porous structure.
Resumen de: US20260269283A1
Gas pressure equalisation systems, and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack. The gas pressure equalisation systems includes a first pressure equalisation tank for partially containing a first liquid and a first gas. The first gas is positioned above a liquid first level. A first gas conduit is provided for the transfer of the first gas between the cell or cell stack and the first pressure equalisation tank. In another aspect, a second pressure equalisation tank may be additionally provided for partially containing a second liquid and a second gas positioned above a liquid second level. A second gas conduit is then provided for the transfer of the second gas between the cell or cell stack and the second pressure equalisation tank.
Resumen de: US20260264059A1
An ammonia decomposition catalyst including a composite oxide forming a perovskite structure with at least barium, zirconium, and ruthenium. Also included is a honeycomb structure including the ammonia decomposition catalyst and an internal combustion engine including the ammonia decomposition catalyst. The ammonia decomposition catalyst exhibits excellent initial activity even at low temperatures and excellent heat resistance in terms of ammonia decomposition activity.
Resumen de: US20260265051A1
In a method for producing low-carbon hydrogen from ammonia and a plant implementing the method, liquid ammonia feedstock is heated and superheated in a heat-reclaiming module coil and supplied into an ammonia cracking reactor, the resulting nitrogen-hydrogen mixture is cooled in an air cooler, and hydrogen is recovered. The liquid ammonia fuel is heated and evaporated, the gaseous ammonia fuel is superheated and mixed with tail gases resulting from the hydrogen recovery, and the resulting fuel gas, together with hot air, is supplied to the ammonia cracking reactor. The ammonia feedstock and the ammonia fuel are evaporated and superheated in respective recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Extraction of distilled water from the flue gases as a by-product becomes possible by cooling the exiting flue gases to approx. +60° C. in the heat-reclaiming module.
Resumen de: AU2025224758A1
A system for producing energy and methane includes a waste-to-energy unit configured to produce energy and a flue gas by combusting waste and an oxidizing agent having oxygen and a carbon dioxide (CO2) separation unit configured to separate CO2 from the flue gas to provide separated CO2. The system also includes a bio-methanation unit configured to generate methane (CH4), heat, and water using the separated CO2 received from the CO2 separation unit and received hydrogen (H2) gas. The system further includes an electrolyzer coupled to a source of water (H2O) and an electric power source supplying electricity and configured to split the H2O to generate the oxygen used in the oxidizing agent and the H2 gas used in the bio-methanation unit.
Resumen de: US20260265940A1
A feedwater preparation system in a water electrolyser is adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks using alkaline water and comprises a product gas conditioning system that has a safety valve out-blow material stream pipe which is connected to a feedwater vessel, and/or has a depressurisation stream pipe from a gas cleaning vessel which is connected to the feedwater vessel.
Resumen de: EP4803667A1
An electrolyzer, a method for manufacturing the electrolyzer, and an electrolyzer module are provided, relating to the field of electrolyzers. The electrolyzer includes: a frame defining an inner cavity and including a top frame, a bottom frame, a first frame, and a second frame; a bipolar plate connected to the frame and dividing the inner cavity into an anode chamber and a cathode chamber; a first collection frame, located within the anode chamber and fixed to an end of the bipolar plate near the top frame, and defining a first cavity together with the bipolar plate; an anode mesh, located on a side of the first collection frame away from the bipolar plate; a second collection frame, located within the cathode chamber and fixed to an end of the bipolar plate near the top frame, and defining a second cavity together with the bipolar plate; a cathode mesh, located on a side of the second collection frame away from the bipolar plate. The first frame and the second frame each have a hollow chamber. One of the first frame and the second frame has a first discharge port formed on an inner wall facing the anode chamber, and the other of the first frame and the second frame has a second discharge port formed on an inner wall facing the cathode chamber, the first discharge port being in communication with the first cavity, and the second discharge port being in communication with the second cavity. This is at least advantageous in improving electrolysis efficiency of the electrolyze
Resumen de: EP4803659A1
0001 A gas conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-mixed stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side (16) having a pump (20) in fluid communication with an oxygen-side phase separator (32) in fluid communication with the heat exchanger (24) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
Resumen de: EP4804378A1
0001 The invention is about a method for controlling an electrolysis system (1) comprising a transformer unit (2), rectifier units (3) operating in parallel, and electrolysis module rows (4) with hydrogen and oxygen sides (5, 6) connected at DC sides (7) of the rectifier units (3), the method comprising: - detecting a Fault Ride Through event; and - adjusting the ramp-up rate of a DC current considering a current position of control valves (8) on the hydrogen and oxygen sides (5, 6).
Resumen de: EP4803660A1
A gas inlet conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-separated stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a hydrogen-side pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a hydrogen-side heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side pump (30) in fluid communication with an oxygen-side phase separator (32) in fluid communication with an oxygen-side heat exchanger (34) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
Resumen de: WO2025093133A1
The invention relates to an electrochemical cell assembly, comprising a stack of cell units, wherein each cell unit has a periphery and a central portion surrounded by the periphery, the periphery has a first flange portion (90-1) and an opposite second flange portion (90-2), the flange portions of adjacent cell units overlie one another and are separated by a gap (88-1, 88-2), wherein between two adjacent cell units, there is provided a fluid flow path comprising an inner flow path between the central portions of adjacent cell units and an outer flow through said gaps, and a flow restriction device (112) comprising at least one flow restriction member (114-1, 114-2), said flow restriction device being configured to reduce or prevent fluid flow along the outer flow path.
Resumen de: EP4803666A1
The present invention relates to a hydrogen production system (1). The system (1) comprises an electrolyser (10), equipped with an internal tank (101), adapted to produce hydrogen from the electrolysis of water, and a water distribution pipe (62) adapted to connect the internal tank (101) of the electrolyser (10) to a water source (50).Advantageously, the system also comprises an electrolyte tank (20) adapted to contain a quantity of electrolyte equal to or greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10), and a waste tank (30) adapted to contain a quantity of fluid greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10). Furthermore, the system comprises an electrolyte distribution pipe (63) adapted to connect the internal tank (101) of the electrolyser (10) to the electrolyte tank (20), a drain pipe (64) adapted to connect the internal tank (101) of the electrolyser (10) to the waste tank (30), and a water control valve (71) adapted to regulate the flow of fluid in the water distribution pipe (62), an electrolyte control valve (72) adapted to regulate the flow of fluid in the electrolyte distribution pipe (63), and a control valve (73) adapted to regulate the flow of fluid in the drain pipe (64). Finally, the system comprises a control unit (40) connected to the electrolyser (10) and the valves (71-73) to control its operation. In particular, the electrolyser (10) measures a
Resumen de: EP4803822A1
0001 Die vorliegende Erfindung betrifft eine Vorrichtung zur Wärmeerzeugung sowie ein dazugehöriges Verfahren und ein Computerprogramm, wobei durch eine Einlassöffnung ein Wasserstoff (H<2>)-Gasgemisch in mindestens einen Reaktionsraum geleitet wird, wobei der Reaktionsraum in Verbindung mit einem Impulszünder steht, welcher eine Initialzündung des Gasgemisches im Reaktionsraumes erzeugt, der dabei entstehende Wasserdampf wird über mindestens eine Auslassöffnung aus dem Reaktionsraum in ein Dampfrohr geführt, in dem der Wasserdampf kondensiert, wobei das Dampfrohr derart ausgebildet ist, dass es eine Kurve bildet und parallel zum Reaktionsraum zurückgeführt wird, wodurch das darin gebildete Wasser zur Aufrechterhaltung der Reaktion im Reaktionsraum und/oder zur Wiederverwendung in einem Elektrolyseprozess verwendet werden kann.
Resumen de: WO2025093132A1
The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.
Resumen de: WO2025093091A1
An alkaline electrolyzer comprising a stack (17) of electrolytic cells (1) for producing hydrogen gas (8). Each of the cathode compartments (5) comprises a cathode gas outlet (23A) into a cathode electrolyte return conduit (28), the downstream end (41) of which is connected to a hydrogen purifier (33) configured for providing purified hydrogen gas by removing oxygen from the gas received from the cathode electrolyte return conduit (28). A cathode gas recirculation system (38) connects a downstream end of the hydrogen purifier (32, 33) to an upstream end (40) of the cathode electrolyte return conduit (28) for supplying purified hydrogen gas to the cathode electrolyte return conduit (28). Each of the anode compartments (6) comprises an anode gas outlet (23B) into an anode electrolyte return conduit (28), the downstream end (41) of which is connected to an oxygen purifier (33) which removes hydrogen from the gas coming from the anode electrolyte return conduit (28). An anode gas recirculation system (38) connects a downstream end (41) of the oxygen purifier (33) to an upstream end (40) of the anode electrolyte return conduit (28) for supplying purified oxygen gas to the anode electrolyte return conduit (28). Hereby the electrolyzer can be operated at part load, for example below 10% of the nominal load.
Nº publicación: CN122707145A 08/09/2026
Solicitante:
托普索公司
Resumen de: CA3201278A1
The present invention regards a method for converting carbon dioxide into carbon monoxide in high-temperature, dry, solid oxide electrolysis providing increased lifetime of SOECs and SOEC stacks by addressing the problem of coking, while simultaneously ensuring highest possible CO production from each cell or stack.
BOPI
Sede Electrónica
