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348
resultados
Última actualización
28/01/2026 [07:53:00]
Resultados 25 a 50 de 348
Resumen de: CN120981607A
A selective membrane is described that includes a porous polymer membrane and a selective material on at least one outer surface. A selective material comprising a composite material of an ion exchange polymer and zirconia particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray method. Selective membranes made by the methods described herein are suitable for alkaline water electrolysis applications.
Resumen de: EP4681815A1
Disclosed are a catalyst for the dehydrogenation of ammonia, a manufacturing method therefor, and a method for producing hydrogen using same. The disclosed catalyst for the dehydrogenation of ammonia comprises clay and an alkali metal and ruthenium impregnated in the clay.
Resumen de: CN120936421A
A method for generating and treating a two-phase effluent from one or more pressurized electrolysis cell stacks adapted to electrolyze water into hydrogen and oxygen, whereby a pump supplies a cathodic electrolysis fluid stream from a first gas-liquid gravity separator vessel to the electrolysis cell stack, whereby another pump supplies an anode electrolysis fluid flow from a second gas-liquid gravity separator vessel to the electrolysis cell stack, and whereby at least one cyclone gas-liquid separator receives a combined effluent from the cathode electrolysis chamber and/or receives a combined effluent from the anode electrolysis chamber, these combined effluents are respectively located within respective gas-liquid gravity separator containers, whereby further, the at least one cyclonic gas-liquid separator separates the gas from the liquid within the gas-liquid gravity separator container along a substantially horizontal cyclonic axis of rotation. An electrolytic cell system is also provided.
Resumen de: CN120882908A
The invention relates to an electrolysis cell system (10) comprising at least one electrolysis cell (20) comprising at least one steam inlet (41) and at least one exhaust gas outlet (38; 39), and a turbocharger (62) for compressing the exhaust gas from the electrolysis cell (20). The turbocharger (62) comprises a driving fluid inlet, a driving fluid outlet, a compressed fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). A driving fluid outlet of the turbocharger (62) is fluidly connected to at least one steam inlet (41) of the electrolysis cell (20). At least one exhaust gas outlet (38; 39) is fluidly connected to a compressed fluid inlet of the turbocharger (62). The system (10) may further include a steam source in fluid connection with the drive fluid inlet of the turbocharger (62) to power the turbine (12) using pressurized steam.
Resumen de: AU2024240321A1
An electrochemical system includes a counter electrode and a working electrode spaced from the counter electrode. The working electrode includes a substrate, an array of conductive projections supported by the substrate and extending outwardly from the substrate, each conductive projection of the array of conductive projections having a semiconductor composition, and including a surface, the surface including nitrogen, and an oxynitride layer disposed on the surface. The counter electrode and the working electrode are arranged in a two-electrode configuration.
Resumen de: CN120476490A
The present invention provides a reinforced ion conducting membrane comprising: (a) a reinforcement layer comprising a porous polymer structure; and (b) a polymer ion conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on a nitrogen-containing heterocyclic ring, and the polymer ion-conducting membrane material has a transition temperature T alpha in the range of from 60 DEG C to 80 DEG C and including end values.
Resumen de: WO2025051333A1
The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.
Resumen de: WO2024132579A1
A process for producing a synthesis gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, comprising the following steps: - Providing an ammonia feedstock stream, - Performing a catalytic conversion by catalytically converting the ammonia feedstock stream by cracking endothermically said ammonia feedstock stream into a synthesis gas product comprising hydrogen, - Performing heat exchanges step by performing heat exchanges between the synthesis gas product and the catalytic conversion of the ammonia feedstock stream, said heat exchanges step comprising the following steps: • Discharging the synthesis gas product in a synthesis gas product circulation duct, said duct being arranged for the heat exchanges between the discharged synthesis gas product and the catalytic conversion of the ammonia feedstock stream, • Recovering heat from the discharged synthesis gas product, • Directing the recovered heat to the catalytic conversion of the ammonia feedstock stream.
Resumen de: WO2024262441A1
This electrode 1 for water electrolysis comprises a conductive base material 10 and a layered double hydroxide layer 20. The layered double hydroxide layer is provided on the surface of the conductive base material 10. The extinction coefficient k800 of the layered double hydroxide layer 20 at the wavelength of 800 nm is 0.08 or more.
Resumen de: CN120476092A
The invention relates to a method for producing hydrogen from ammonia, comprising: ammonia cleavage in which the ammonia is decomposed into hydrogen and nitrogen, the ammonia cleavage being carried out in a sequence of cleavage steps (13, 36, 17, 20), and a final cleavage stream (21) being obtained after the final cleavage step (20), the final ammonia cracking step (20) is carried out in an adiabatic manner and/or after the final cracking step, the final cracking stream (21) is quenched by direct mixing with water or steam.
Resumen de: WO2026013106A1
A process for producing a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide by partial oxidation of hydrocarbons or a mixture comprising hydrocarbons comprising: Reacting the hydrocarbons or the mixture comprising hydrocarbons with an oxygen-comprising reactant gas, wherein the oxygen in said oxygen-comprising reactant gas comprises at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas; a synthesis gas mixture obtainable or obtained by the inventive process; a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide, wherein the synthesis gas has a δ18O value of < 22 ‰, referred to the international standard VSMOW; and use of an oxygen-comprising reactant gas comprising at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas for the preparation of a synthesis gas mixture comprising hydrogen and carbon monoxide and optionally carbon dioxide by partial oxidation of hydrocarbons or a mixture comprising hydrocarbons. The present invention further relates to a partial oxidation reactor (POX reactor) comprising a connection for supplying an oxygen-comprising reactant gas comprising at least 1 ppmv of H2 based on the total volume of the oxygen-comprising reactant gas; and a system comprising a partial oxidation reactor (POX reactor) and a water electrolyzer connected by a gas pipe.
Resumen de: US20260018642A1
A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.
Resumen de: US20260018632A1
A power generation system includes a housing, a lid defining an opening in the housing, and a chamber inside the housing configured to receive a cartridge comprising a powdered fuel mixture. The system also includes a fluid reservoir that stores a fluid configured to react with the powdered fuel mixture to produce hydrogen gas. A processor is configured to control ingress of the fluid from the fluid reservoir to the powdered fuel mixture in the cartridge and control egress of the gas from the cartridge to the gas storage compartment. The system also includes a generator configured to generate electricity from the gas in the gas storage compartment.
Resumen de: US20260015745A1
The present invention relates to an electrode for electrolysis, a laminate, a wound body, an electrolyzer, a method for producing an electrolyzer, a method for renewing an electrode, a method for renewing a laminate, and a method for producing a wound body. An electrode for electrolysis according to one aspect of the present invention has a mass per unit area of 48 mg/cm2 or less and a force applied per unit mass-unit area of 0.08 N/mg·cm2 or more.
Resumen de: US20260015742A1
The invention relates to an electrolysis system including an electrolysis plant and a power supply source with a direct voltage output and including a central supply line, wherein the central supply line is connected to the direct voltage output of the power supply source such that a direct current can be fed to the central supply line, where a central DC high-performance strand designed for the direct voltage is provided, to which high-performance strand the electrolysis plant is connected via the central supply line, wherein at least the power supply source and the DC high-performance strand are designed as a network insulated from ground. The invention also relates to the use of an insulated DC network in an electrolysis system.
Resumen de: WO2026013331A1
The invention relates to a system and method for producing pressurized hydrogen from a solid oxide electrolyser connected to an electrochemical hydrogen compressor The system comprises a solid oxide electrolyser (SOEC) (1), which is configured to generate hydrogen; an electrochemical hydrogen compressor (EHC) (2), which is configured to pressurize said hydrogen generated by said SOEC; and a first recovery circuit, which is configured to recover water exiting the cathode (2c) of the EHC (2) by providing a return path through the EHC (2) to the cathode (1C) of the SOEC (1) for consumption. An optional second recovery circuit is configured to recover heat from at least one output flow (4, 5) of the SOEC (1) to a heat exchanger (15), which is configured to heat said return path (4, 18) at the cathode (1C) of said solid oxide electrolyser (1).
Resumen de: US20260015744A1
POM particles are suitable as photocatalytic or electrocatalytic catalyst in the production of hydrogen and a method of producing such POM particles. The POM particles are produced by subjecting a heteropoly acid with the chemical formula HzXY12O40, or a hydrate thereof, to acidic conditions in the presence of a polyvalent cation, wherein z=3 or 4, X is selected from the group consisting of P, Si, Ge, As, Sb and V, and Y is selected from the group consisting of W, Mo and V.
Resumen de: US20260015743A1
An electrosynthetic cell and its use are disclosed. The electrosynthetic cell can be used in a reductive electrosynthesis of one or more desired chemical products from one or more chemical reactants. The electrosynthetic cell comprises a hydrogen anode half-cell and a cathode half-cell. The hydrogen anode half-cell comprises hydrogen (H2), a first liquid phase solution that is in contact with an anode and a heterogeneous redox catalyst capable of catalyzing the oxidation of H2 to H+, and a redox mediator capable of transferring or accepting electrons and/or protons while undergoing reduction or oxidation. The cathode half-cell comprises a second liquid phase solution comprising the one or more chemical reactants that is in contact with a cathode and a reductive synthesis catalyst capable of catalyzing the reductive synthesis of the one or more desired chemical products from the one or more chemical reactants.
Resumen de: US20260015229A1
A system including a gas production device including (a) a solid containing compartment configured to contain a solid, (b) at least one fluid channel with an inlet and an outlet comprising an opening along at least a portion of its length, the opening facing the solid, (c) a solution compartment configured to contain a solution, the solution compartment: (1) being in fluid communication with the fluid channel inlet and outlet, (2) located along a fluid pathway in between the fluid channel outlet and inlet, and (3) at least one hydrogen gas outlet, (d) a fluid flow driver in fluid communication with the fluid pathway, and (e) a fluid flow rate regulator connected to the fluid flow driver. Disclosed is also a method for producing a gas (e.g., hydrogen).
Resumen de: US20260015230A1
A solid state storage system includes a pressure-sealed storage unit defining an interior and having an outlet, an upper manifold and a lower manifold separated by a dividing plane having a set of ports, a set of chambers, and a solid state storage, wherein at least some gas is supplied to the outlet.
Resumen de: AU2024303520A1
Methods for producing renewable hydrogen and systems related to the same are provided.
Resumen de: WO2026013303A1
The invention provides a system and process for facilitating the direct electrolysis of saltwater, such as seawater. The system comprises an acid-base flow battery comprising an acid solution outlet, an alkaline solution outlet and a saltwater inlet; and a water electrolyser downstream of the acid-base flow battery for producing hydrogen, comprising a negative electrode and a positive electrode.
Resumen de: US20260015741A1
Solid oxide electrolytic cell assembly (SOEC) and methods for making SOECs are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC). The functionalized ZTC is formed by forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites. In the method, the functionalized ZTC is incorporated into electrodes by forming a mixture of the functionalized ZTC with a calcined solid oxide electrolyte, and calcining the mixture. The method includes forming an electrode assembly, forming the SO electrolytic cell assembly, and coupling the SO electrolytic cell assembly to a heat source.
Resumen de: DK202430371A1
Initially an assembled electrolyser cell stack comprising at least alternatingly, Electrodes and bipolar plate assemblies and Diaphragms is provided. Stack internal process and flow volumes, namely catholyte flow volume and process chambers and anolyte flow volume and process chambers adjacent to and on each side of every diaphragm are simultaneously partially or completely flooded through each of stack internal catholyte manifold and stack internal anolyte manifold with a liquid alkaline conservation medium and O2 side electrolyte inlet connection, H2 side electrolyte inlet connection, anolyte and oxygen gas exit connection and catholyte and hydrogen gas exit connection are each sealed off adjacent to an electrolyser endplate after partially or completely flooding the mentioned stack internal volumes with the fluid conservation medium.
Nº publicación: JP2026004589A 14/01/2026
Solicitante:
三菱重工業株式会社
Resumen de: JP2024092034A
To improve thermal efficiency of a treatment plant for raw material fluid.SOLUTION: A treatment plant for raw material fluid comprises a raw material reaction facility 40 for generating reaction gas RG by reacting raw material fluid NH. The raw material reaction facility 40 comprises preheaters 44a and 44b and a reactor 45. The preheaters 44a and 44b are heat exchangers for heating the raw material fluid NH by exchanging heat between a second heat medium and the raw material fluid. The reactor 45 is a heat exchanger for heating and reacting the raw material fluid NH by exchanging heat between a first heat medium different from the second heat medium and the raw material fluid NH heated by the preheaters 44a and 44b.SELECTED DRAWING: Figure 1
BOPI
Sede Electrónica
