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939
resultados
Última actualización
01/10/2026 [10:31:00]
Resumen de: WO2025109109A1
The present application relates to an electrolytic cell comprising at least a first and a second bipolar plate (14) and an electrode unit (1216a, 1216b) and a membrane (11). The electrode unit comprises a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld created by autogenous welding. The present application also relates to an electrolyser stack comprising such a cell and to a method for manufacturing such a stack.
Resumen de: US20250167271A1
0000 An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H<2>) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H<2>), and a fuel cell configured to receive the Hydrogen (H<2>).
Resumen de: WO2025179327A1
The present invention relates to an electrolysis device (100) for producing a fuel (B) in electrolysis cells of at least one electrolysis stack (110), comprising an air supply portion (122) for supplying feed air (ZL) to an air side (120) of the electrolysis stack (110) and an air discharge portion (124) for discharging exhaust air (AL) from the air side (120) of the electrolysis stack (110), and also comprising a water supply portion (132) for supplying water (W) to a fuel side (130) of the electrolysis stack (110) and a fuel discharge portion (134) for discharging fuel mixture (BG), which comprises fuel (B) and water (W), from the fuel side (130) of the electrolysis stack (110), wherein: the fuel discharge portion (134) has a condenser device (140) for cooling the fuel mixture (BG) to below a condensation temperature of water (W), for condensing the water (W) and separating the water from the fuel (B); in the fuel discharge portion (134), upstream of the condenser device (140), a fuel-mixture/feed-air heat exchanger (150) is arranged in heat-transferring contact with the air supply portion (122) for transferring heat from the fuel mixture (BG) to the feed air (ZL).
Resumen de: EP4814168A1
Provided are an electrolysis device, an electrolysis device control method, and an electrolysis device control program that reduce circulation current flowing through a grounding wire. An electrolysis device (1) includes: a plurality of rectifiers (20); and an electrolyzer (100) having a plurality of cell stacks (10) having common positive electrodes, the positive electrode of each of the cell stacks (10) is connected to the positive electrode of each of the plurality of rectifiers (20) installed in parallel, the negative electrode of each of the cell stacks (10) is connected to the negative electrode of each of the rectifiers (20), and electrolysis device further includes a balance cable (80) connecting a negative electrode of at least one of the cell stacks (10) and a negative electrode of at least another one of the cell stacks (10) to each other.
Resumen de: EP4813514A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: EP4813908A1
0001 A system and method are disclosed for the production of green hydrogen and oxygen from water using thermal decomposition driven by pulsed or continuous-spin detonation waves. In some embodiments, fresh water is converted into low-temperature steam and superheated beyond 3500°C using multi-stage shock-resonant compression within cooled gas-dynamic resonators, leading to dissociation of water into hydrogen and oxygen. In other embodiments, salt water is first desalinated by detonation-induced evaporation and fragmentation, producing steam and sea salt, after which the steam is thermally decomposed. A centrifugal vortex reactor is used to separate the resulting hydrogen and oxygen gases based on molecular weight. The system is capable of operating in a self-sustaining mode by recycling part of the generated gases for continued detonation. It is suitable for terrestrial and space-based applications, providing scalable, carbon-neutral hydrogen and oxygen production from fresh or salt water without the need for external electricity or fossil fuels.
Resumen de: WO2025109618A1
A Green HYDROGEN production apparatus is provided having a modular reactor vessel. The reaction is managed to safely drive the reaction to completion to maximize HYDROGEN production. A HYDROGEN outlet provides for the collection of the generated HYDROGEN from the reactor vessel (e.g. 1)
Resumen de: WO2025109126A1
Water electrolyser stack having a range of half-cell frames which each circumscribes one of an anolytic or a catholytic process chamber and which half-cell frames are arranged and aligned in an array between a proximal electric current injector/collector plate and a distal electric current injector/collector plate, and where each half-cell frame comprises an embedded furrow flow channel adapted to serve an electrolyte flow from a stack internal inflow manifold channel to a corresponding anolytic or catholytic reaction chamber and an embedded furrow flow channel adapted to serve an electrolyte and gas outflow from a corresponding anolytic or catholytic reaction chamber to a corresponding stack internal manifold channel wherein each of the embedded furrow flow channels comprise at least one fluid and/or gas trap section.
Resumen de: WO2025109108A1
The present application relates to an electrode unit (1216a, 1216b) for an electrolytic cell, comprising a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld made by resistance autogenous welding. An electrolytic cell and an electrolyser stack comprising such electrode units (1216a, 1216b) and a method for manufacturing such a stack are also described.
Resumen de: EP4814166A2
0001 The present disclosure relates to an electrode assembly for a bipolar electrolyser stack, preferably for an electrolyser stack, comprising: a first flow-through electrode comprising a first surface that is permeable to gases produced by the decomposition of a process solution, preferably water, and an opposite second surface; a second flow-through electrode comprising a first surface that is permeable to gases produced by the decomposition of a process solution, preferably water, and an opposite second surface; and a non-permeable divider arranged between the second surfaces of the first and second flow-through electrodes and adapted to separate the first and second flow-through electrodes from each other.
Resumen de: EP4814164A1
Piece of equipment (EQ1, EQ2) configured to treat a biphasic mixture output by a stack of electrolytic cells and comprising: a separator (SEP) to separate the biphasic mixture into a gaseous fraction (G) and a liquid electrolyte fraction (LE); a cooler (COOL) configured to cool down the gaseous fraction (G) and to condense water vapor of the gaseous fraction into liquid water, the cooler having a high extremity (BONHE) and a low extremity (BONLE) situated lower than the high extremity (BONHE); and a return line (BCK') configured to transport the liquid water condensed in the cooler (COOL) back to the separator (SEP) and comprising a device (SY) configured to prevent fluid from flowing from the separator (SEP) to the cooler (COOL), wherein an output (OUT.HSEP) of the separator (SEP) is fluidically connected to the low extremity (BONLE) of the cooler (COOL).
Resumen de: EP4814167A1
0001 The present disclosure relates to a membrane-electrode assembly for a water electrolysis cell and a water electrolysis cell comprising same, wherein the membrane-electrode assembly for a water electrolysis cell further comprises a coating layer positioned on one surface of a catalyst layer to prevent an ion conductor exposed on the surface of the catalyst layer from contacting a microporous layer, and a polymer electrolyte membrane exposed through an opening in which the catalyst layer does not exist due to low loading from contacting the microporous layer, thereby reducing a band bending phenomenon, so that a pinch-off effect can be reduced and performance can be improved. In addition, furthermore, the coating layer serves to connect catalyst layers, which are not in contact with the microporous layer, to each other, thereby enabling smooth electron movement.
Resumen de: WO2025126055A1
A system is described for the production of hydrogen and thermal power through a spontaneous electrochemical oxidation-reduction reaction, formed by at least one reactor (1) composed by a loading line (2) that introduces a reacting material into a reaction basin (6); at least one discharge body (12) for the hydroxide produced during the reaction, wherein the pH is transformed into a desired value by the introduction of an acidic solution through a loading line (13); at least one loading line (3) of water that is supplied into the reaction basin (6); at least one cathode body (5) made of porous material containing gaseous oxygen; at least one loading line (4) that allows the oxygen to be replenished at the cathode body (5); at least one porous material filter (7) for separating the gaseous hydrogen from solid residues produced during the reaction; and at least one discharge line (8) for the release of gaseous hydrogen. The system is configured to perform a process for the production of hydrogen and thermal power through an oxidation-reduction reaction between a material acting as an anode, a material acting as a cathode and a material acting as an electrolyte.
Resumen de: WO2025210347A1
A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer on a first side of the membrane. The anode catalyst layer comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2. The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles, a nanoparticle stabilising agent and an ion-conducting polymer.
Resumen de: EP4567153A1
0001 A method of electrolysing water, the method comprising: - providing an electrolyser comprising an anode; a cathode and optionally a separator; - contacting the cathode and/or the anode with an aqueous alkaline solution comprising water; and - electrolysing the water using a potential difference from the anode to the cathode, wherein at least one of the cathode and the separator comprises a substrate and a coating, wherein the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B, and wherein the coating catalyses hydrogen evolution at the cathode.
Resumen de: EP4524100A1
Process comprising the production of a hydrogen-containing synthesis gas by the conversion of a hydrocarbon feedstock, said process comprising :- providing a fuel stream of ammonia comprising an ammonia content,- decomposing at least a portion of said ammonia content into hydrogen and nitrogen, thereby obtaining an enhanced fuel, said portion of the ammonia content undergoing said decomposition being greater than 50% of the ammonia content of said fuel stream of ammonia,- combustion of said enhanced fuel in a fired equipment to provide a heat input to the process.
Resumen de: US20240141519A1
0000 A method of fabricating a device includes providing a substrate of the device, forming a structure of the device, the structure being supported by the substrate, having a semiconductor composition, and including a surface, where nitrogen is present at the surface, and incorporating oxygen into the surface to form a stabilizing layer on the surface. Incorporating oxygen into the surface is implemented such that the stabilizing layer includes a uniform distribution of an oxynitride material
Resumen de: WO2022189560A1
Method and system for producing a hydrogen product from ammonia, comprising: optionally at least one pre-cracking reactor, such as an adiabatic pre-cracking reactor, arranged to receive an ammonia feed stream, thereby producing a partly converted am-5monia feed stream comprising ammonia, hydrogen and nitrogen; an ammonia cracking reactor such as an electrically heated reactor. The reactor is arranged to receive the partly converted ammonia feed stream or the ammonia feed stream for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia; and a hydrogen recovery unit arranged to receive the effluent gas stream for 10producing the hydrogen product and an off-gas stream comprising hydrogen, nitrogen and optionally unconverted ammonia.
Resumen de: ES2962182A1
The present invention refers to a method for obtaining hydrogen through the dissociation of the water molecule through thermochemical reactions under (quasi-) isothermal conditions, which comprises the following steps: arranging the active material (103) in a volume reaction (109) of a reactor (101); reduce the active material (103) provided, by adding heat; evacuate the oxygen produced through a first outlet (106); inject water into the reaction volume (109); oxidize the active material (103) producing hydrogen; filter the hydrogen produced through a selective filter (104) during the oxidation process of the active material (103); and evacuate the filtered hydrogen through the second outlet (107) obtaining a flow of high purity hydrogen; and device to carry it out. (Machine-translation by Google Translate, not legally binding)
Resumen de: AU2025235581A1
This cell unit (2) comprises: a base material (10) that defines a first surface (13) and a second surface (14) that face each other back to back; a hole (15) that penetrates the base material (10) from the first surface (13) to the second surface (14); a film (21) that is disposed in the hole (15) and partitions the hole (15) into a first space (17) on the first surface (13) side and a second space (18) on the second surface (14) side; and an annular outer peripheral member (32) disposed around the outer peripheral surface (11a) of the base material (10).
Resumen de: WO2026195231A1
The invention relates to an electrolysis assembly (100) having an electrolysis block (10) with a plurality of electrolysis cells (1-3), which electrolysis cells have cathode chambers (C) and anode chambers (A), and the electrolysis assembly having an electrolyte system (20), which has a feed line assembly (11), a cathode-side extraction line assembly (12) and an anode-side removal line assembly (13). The electrolysis assembly (100) is designed to supply caustic solution to the cathode chambers (C) and the anode chambers (A) via the feed line assembly (11), to remove caustic solution from the cathode chambers (C) via the cathode-side extraction line assembly (12) and hydrogen formed in the cathode chambers (C), and to remove caustic solution from the anode chambers (A) via the anode-side extraction line arrangement (13) and oxygen formed in the anode chambers (A). One or more flow restrictors (21-27) are provided in the feed line assembly (11), the cathode-side extraction line assembly (12) and/or the anode-side extraction line assembly (13) and are designed to change a flow cross-section depending on a mass flow of the caustic solution guided through the electrolysis cells (1-3). A corresponding method is also disclosed.
Resumen de: WO2026194355A1
Embodiments of the present application provide a method and apparatus for measuring impurity content in a liquid. The method comprises: injecting a liquid to be measured into a first container; when it is detected that the pressure in the first container meets a preset value, stopping injecting said liquid; venting the first container, so that the first container returns to an atmospheric‑pressure state; injecting at least part of said liquid in the first container into a second container; injecting a buffer solution into the second container, and detecting that the pH value of said liquid in the second container meets a preset value; and using an ion measurement device to measure impurity content in said liquid in the second container. The present application does not require the shutdown of a system for measurement. By quantitatively extracting a liquid to be measured, diluting the concentration of an impurity to be measured, and adjusting the pH of said liquid for impurity content measurement, strong timeliness is achieved, and the impurity content can be monitored in real time to reflect an operation state of a liquid system to be measured, for example, a hydrogen production system.
Resumen de: AU2025310215A1
This hydrogen production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; and a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member. This hydrocarbon production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member; a heating device for heating the hydrogen compound member to which hydrogen is adsorbed; and a gas supply device for supplying a carbon dioxide-containing gas that contains carbon dioxide to the hydrogen compound member.
Resumen de: WO2026198877A1
Methods and systems are disclosed for using industrial waste for the production of hydrogen gas. The method includes examining a pH level of the industrial waste, removing contaminate from the industrial waste, conditioning and concentrating the industrial waste to a proton-rich solution, and using the resulting proton-rich solution as the proton source in a hydrogenase catalyzed hydrogen production system.
Nº publicación: AU2024438054A1 24/09/2026
Solicitante:
MITSUBISHI HEAVY INDUSTRIES LTD
MITSUBISHI HEAVY INDUSTRIES, LTD.
Resumen de: AU2024438054A1
In an electrolysis cell according to the present disclosure, an insulating packing material has: an annular packing body; an arc-shaped packing material having an arc shape formed inside the packing body and surrounding a first supply hole and a first discharge hole from the outer peripheral side, respectively; and a triangular packing material. In the arc-shaped packing material, which is in a state prior to elastic deformation by being sandwiched between a separator and an anion exchange membrane, the thickness of the arc-shaped packing material is set to be greater than the gap between a first diffusion guide part and the anion exchange membrane, and in the triangular packing material, the thickness thereof is set to be greater than that of the packing body.
BOPI
Sede Electrónica
