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450
results.
Updated on
07/01/2026 [07:08:00]
Absstract of: US2021130967A1
The invention provides a diaphragm for alkaline water electrolysis with reduced dissolution of an inorganic component in an alkali solution at low cost. The present invention relates to a diaphragm for alkaline water electrolysis, including magnesium hydroxide and an organic polymer resin.
Absstract of: WO2024262440A1
This electrode 1 for water electrolysis comprises a conductive base material 10 and a layered double hydroxide layer 20. The layered double hydroxide layer 20 is provided on the surface of the conductive base material 10. The layered double hydroxide layer 20 contains Ni. In the diffraction pattern of the layered double hydroxide layer 20 obtained by a small angle incidence X-ray diffraction measurement, the diffraction peak height P012 of the 012 plane is higher than the diffraction peak height P003 of the 003 plane.
Absstract of: MY201158A
In a method for generating ammonia synthesis gas by electrolysis, comprising feeding a mixture of steam and com- pressed air into the first of a series of electrolysis units and passing the outlet from one electrolysis unit to the inlet of the next electrolysis unit together with air, the electrolysis units are run in endothermal mode and the nitrogen part of the synthesis gas is provided by burning the hydrogen produced by steam electrolysis by air in or between the electrolysis units. The electrolysis units are preferably solid oxide electrolysis cell (SOEC) stacks.
Absstract of: WO2026005648A1
The invention can be used in the creation of devices for producing hydrogen as a fuel, inter alia, at energy-intensive industrial facilities. What is proposed is a system for producing hydrogen from superheated steam comprising the following units: a generating unit consisting of the following elements arranged coaxially in a direction from the centre to the periphery: a central electrode, a cathode, a tube sealed at one end and made of a solid oxide electrolyte with oxygen ion conductivity, an anode, and permanent magnets; an electric power unit for supplying a voltage to the cathode, the anode and the central electrode; a control unit; and a gas measuring unit. The control unit receives data from the gas measuring unit and also engages in two-way communication with the electric power unit. The electric power unit, the control unit and the gas measuring unit are combined into a single unit that engages in two-way communication with the generating unit. The gas measuring unit is comprised of a system of sensors. Also proposed is a method for producing hydrogen using the claimed system. The group of inventions makes it possible to simplify the structure of a system for producing hydrogen, to regulate and automate the process, to conduct monitoring, to obtain controlled and efficient feedback, and to expand the existing range of energy-efficient means and methods for producing hydrogen.
Absstract of: WO2026004400A1
An ammonia production system according to the present invention comprises: a solid oxide electrolysis cell (10) to which a gas containing water vapor and nitrogen is supplied, and which generates hydrogen and ammonia through an electrolytic reaction of the supplied gas; a water vapor supply line (L10) that guides the water vapor to the solid oxide electrolysis cell (10); a separation unit (60) that guides a mixed gas which was discharged from the solid oxide electrolysis cell (10) and contains ammonia, hydrogen, and nitrogen, and separates the hydrogen and nitrogen contained in the mixed gas; and a circulation line (L32) that guides the hydrogen and nitrogen separated by the separation unit (60) to the water vapor supply line (L10).
Absstract of: WO2026003852A1
The present invention relates to a cost effective, efficient, ecofriendly system for producing hydrogen by the electrolysis of mineral water in the presence of a magnetic field using an assembly of vertical stainless steel supported graphite electrodes such that the magnetic field is perpendicular to the assembly of electrodes The system comprises of three interconnected units, namely the magnetic electrolyser fitted with a plurality of neodymium magnets, a pneumatically operated pump and a pressure swing absorption unit.
Absstract of: WO2026001844A1
Disclosed in the present disclosure are a composite catalytic electrode for hydrogen evolution by water electrolysis and a preparation method therefor. The composite catalytic electrode comprises a nickel substrate, a composite catalyst layer supported on the nickel substrate, and a metal oxide protective layer coated on the surface of the composite catalyst layer. The composite catalyst layer comprises platinum, ruthenium, and palladium noble metal catalysts and a catalytic promoter. The metal oxide protective layer is a nanoporous metal oxide layer, and the metal oxide is one or more of a valve metal oxide and a rare earth metal oxide. The composite catalytic electrode for hydrogen evolution by water electrolysis in the present disclosure comprises a composite catalyst layer made of platinum, ruthenium, palladium, and a promoter, and a metal oxide protective layer coated on the outer side of the composite catalyst layer; the metal components in the composite catalyst layer can be stably combined with the metal substrate; the metal oxide protective layer is structurally similar to oxides in the composite catalyst layer, and therefore can be firmly coated on the surface of the composite catalytic layer; thus, the composite catalytic electrode can exhibit high catalytic activity for hydrogen evolution by water electrolysis, high structural stability, long-time stability, strong resistance to polarity reversal, and strong resistance to deposition.
Absstract of: WO2026001501A1
An electrolyzer and a water electrolysis hydrogen production system. The electrolyzer comprises two end press plates (1) which are arranged opposite to each other, electrolytic units being provided therebetween; a plurality of tie rods (2) distributed in the circumferential direction of the end press plates, the plurality of tie rods (2) being connected to the two end press plates (1), and at least one end of each tie rod (2) passing through the corresponding end press plate (1); at least one end of each tie rod (2) that passes through an end press plate is provided with a fastening member, the fastening members being used for fastening the end press plates, the electrolytic units, sealing gaskets and other components so as to lock the electrolytic units between the two end press plates, at least one fastening member comprising a force sensor (3), and the force sensor (3) being used for measuring a load on the tie rod (2). During assembly and operation of the electrolyzer, an operator can monitor in real time load changes on the tie rods, and determine, on the basis of the load changes, whether tightening or loosening of the electrolyzer is required, thus ensuring good sealing performance of the electrolyzer, avoiding problems such as liquid leakage and gas leakage of the electrolyzer, and improving the operational reliability and service life of the electrolyzer.
Absstract of: WO2026002615A1
Process for the production of carbon monoxide, said process comprising: · providing an ammonia stream and a carbon dioxide stream, · performing an endothermic cracking reaction of said ammonia stream for producing a cracked gas (5) comprising hydrogen and nitrogen, · performing a reverse water gas shift reaction with said hydrogen from the cracked gas and said carbon dioxide stream as reactants, for producing a product gas (6) comprising carbon monoxide and water.
Absstract of: AU2024263112A1
The present invention relates to an electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Absstract of: CN116397248A
The invention provides an electrolytic bath protection structure which comprises an electrolytic bath body, a top cover and a compensation assembly, and the compensation assembly is connected between the top cover and a top opening of the electrolytic bath body in a sealed mode; the compensation assembly comprises a flow guide pipe and a corrugated telescopic pipe fixed to the flow guide pipe in a butt joint mode, a first annular mounting plate is fixed to the periphery of the bottom end of the corrugated telescopic pipe, a second annular mounting plate is fixed to the periphery of the top of the electrolytic bath body, and the first annular mounting plate and the second annular mounting plate are fixedly connected through a plurality of locking bolts; and the top cover is fixedly connected with the first annular mounting plate through a restraining assembly. According to the scheme, when the electrolytic cell expands with heat and contracts with cold due to frequent start and stop, space contraction and expansion caused by expansion with heat and contracts with cold are compensated through the effect of the compensation assembly, the situation that air pressure exerts an overlarge effect on the top cover is prevented, and the compensation effect on connection between the electrolytic cell body and the top cover is achieved; and the possibility that the inner cavity of the electrolytic bath body impacts and damages the joint of the electrolytic bath body and the top cover is
Absstract of: AU2024285985A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Absstract of: WO2026003300A1
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.
Absstract of: WO2026003347A1
The invention relates to a method and a system (1) for determining an operating point, in particular a hydrogen flow into an ammonia synthesis unit (40), of a system (1) for synthesizing ammonia, having a power supply (10) for providing hydrogen, said power supply comprising at least one renewable power source (11, 12, 13), wherein the determining process involves the process of determining a hydrogen flow supplied to or discharged from a hydrogen store (33) of the system (1). The invention further relates to a control program, to a computer-readable medium, and to the use of the method according to the invention, the system (1) according to the invention, or the control program according to the invention in order to produce ammonia and/or urea.
Absstract of: WO2026003195A1
A chemical plant is provided, in which an electrolysis section is arranged to receive at least a portion of a first steam feed and electrolyze it to provide a hydrogen stream and an oxygen- enriched stream. A first heat exchanger is arranged to receive at least a portion of the oxygen-enriched stream and a combustion air stream to transfer heat from the oxygen- enriched stream to the combustion air stream. The heated combustion air stream and at least a portion of an off-gas stream are arranged to be combusted in at least one burner so as to provide a combusted gas stream. A second heat exchanger is arranged to receive at least a portion of said combusted gas stream and said water stream. The second heat exchanger is arranged to transfer heat from the at least a portion of the combusted gas stream to the water stream so as to provide a cooled combusted gas stream and a steam stream. A process for production of a steam stream using a combustible off-gas stream in the chemical plant is also provided.
Absstract of: WO2026003147A1
A separator for water electrolysis comprising a cathode facing side (101) and an anode facing side (201), characterized in that the cathode- and anode facing sides are visually distinct.
Absstract of: WO2026002680A1
The invention describes a method for treating a feedstock comprising at least one carbonaceous plastic fraction, in which method the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost, etc.) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Absstract of: WO2026002679A1
The invention describes a method in which the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Absstract of: WO2026002653A1
A method for revamping a methanol plant where make-up gas is produced from reforming of natural gas, the method including the provision of a CO2 capture section processing a stream of combustion fumes produced in a fired equipment of the methanol plant, and the provision of a line arranged to add at least part of the captured CO2 to the make-up gas for the production of methanol; the provision of an additional hydrogen source arranged to add hydrogen to the make-up gas; the provision of a once-through reaction section before the existing methanol synthesis loop and a related bypass line; a process for production of methanol is also disclosed, wherein a portion of make-up gas is reacted in a once-through methanol converter and unreacted make-up gas separated from the effluent of said first converter is subsequently reacted in a methanol synthesis loop (12).
Absstract of: WO2026004399A1
This hydrogen production system comprises: an SOEC (10) that generates ammonia, and electrolyzes supplied water vapor to generate hydrogen; a water vapor supply system (90) that guides water to the SOEC (10); a condenser (60) to which ammonia-containing hydrogen discharged from the SOEC (10) is guided, and cools the ammonia-containing hydrogen to condense the ammonia; and a condensed water line (L32) that guides the ammonia condensed by the condenser (60) to the water vapor supply system (90).
Absstract of: WO2026004449A1
This SOEC generates hydrogen by electrolyzing water vapor supplied thereto. The present invention is provided with: a cathode flow path (209) through which a water vapor-containing gas that contains water vapor and nitrogen flows; an anode flow path (207) through which an oxidizing gas flows; a water vapor electrolysis chamber (215) into which the water vapor-containing gas flowing through the cathode flow path (209) and the oxidizing gas flowing through the anode flow path (207) are introduced so as to generate hydrogen by electrolyzing water vapor supplied from the cathode flow path (209), and from which a mixed gas that contains the generated hydrogen is discharged; and a lower heat exchange unit (213) which exchanges heat between the mixed gas discharged from the water vapor electrolysis chamber (215) and the oxidizing gas to be supplied to the water vapor electrolysis chamber (215). The lower heat exchange unit (213) is configured so that the mixed gas that exchanges heat with the oxidizing gas is at a specific temperature at which the mixed gas has a desired composition.
Absstract of: WO2026006063A1
A system for generating hydrogen may include an electrochemical device and a separator vessel. A hydrogen sensor may be operable to sense hydrogen in a fluid stream communicated from the separator vessel. A method of operating an electrolyzer is also disclosed.
Absstract of: CN116439627A
The invention is applicable to the technical field of cleaning appliances, and discloses an integrated water tank capable of cleaning and separating, which comprises a clean water tank, a sewage tank and a water tank cover, the clean water tank contains and outputs clean water to a cleaning tool, the top wall is provided with a water outlet, and the inner wall of the bottom wall is connected with a water pumping joint; the sewage tank collects sewage output by the cleaning tool, the peripheral wall and the bottom wall of the sewage tank are closed, and only the top is open; the water tank cover can cover the clear water tank and the sewage tank from the top at the same time, a clear water outlet and a sewage inlet are formed in the water tank cover, the water tank cover is directly or indirectly connected with a water pumping pipe which is arranged in the clear water tank and communicated with the clear water outlet, and the other end of the water pumping pipe is communicated with a water pumping connector. The clean water tank and the sewage tank of the water tank can be detached independently, and the whole water tank is convenient to assemble and maintain; the clear water outlet and the sewage inlet arranged on the water tank cover are far away from the water tank electricity-taking interface, so that short circuit of the electricity-taking interface caused by water tank leakage can be avoided.
Absstract of: EP4672127A1
A control apparatus for controlling a hydrogen manufacturing device for manufacturing hydrogen and a hydrogen carrier manufacturing device for converting the hydrogen into a hydrogen carrier, the control apparatus including an information acquisition unit configured to acquire information related to manufacturing of the hydrogen and the hydrogen carrier; and a device control unit configured to control an operation state of at least one of the hydrogen manufacturing device or the hydrogen carrier manufacturing device by using the information.
Nº publicación: EP4672389A1 31/12/2025
Applicant:
BLOOM ENERGY CORP [US]
Bloom Energy Corporation
Absstract of: EP4672389A1
An electrolyzer system and a fuel cell system that include hydrogen blowers configured to compress hydrogen streams generated by the systems. The electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, a hydrogen blower configured to pressurize the hydrogen stream generated by the stack, and a hydrogen processor configured to compress the pressurized hydrogen stream.
BOPI
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