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914
resultados
Última actualización
03/04/2026 [07:05:00]
Resultados 25 a 50 de 914
Resumen de: WO2026061302A1
An electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The system comprises an absorption device (1), an electrolytic hydrogen production device (2), a first gas-liquid separation device (3) and a second gas-liquid separation device (4). The electrolytic hydrogen production device (2) comprises an anode chamber (21), an intermediate chamber (22) and a cathode chamber (23), which are separated by anion exchange membranes (24). In addition, the present invention further relates to a method for using the electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The method comprises: absorbing carbon dioxide from flue gas by using the absorption device (1); allowing the obtained absorption liquid to enter the anode chamber (21), so as to obtain a carbon-dioxide-containing gas-liquid mixture; allowing the gas-liquid mixture to enter the first gas-liquid separation device (3) to undergo separation, so as to obtain carbon dioxide and a first separation liquid; allowing the first separation liquid to enter the intermediate chamber (22), so as to realize the regeneration of the absorbent under the action of ion exchange; and returning the regenerated absorbent to the absorption device (1) again to continue the absorption of carbon dioxide.
Resumen de: WO2026064419A1
The present disclosure relates to compositions, systems, and methods that enable the electrochemical conversion of ammonia into hydrogen and nitrogen gases under mild operating conditions, including ambient temperature and pressure. This approach addresses key limitations of conventional ammonia thermal cracking, including the need for high temperatures and pressures and complex downstream gas separation, while overcoming media and catalyst constraints in electrolytic cracking of ammonia.
Resumen de: US20260088309A1
An electrochemical cell is disclosed having a porous metal support, at least one layer of a first electrode on the porous metal support, a first electron-blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode, and a second bulk electrolyte layer of rare earth doped ceria on the first electron-blocking electrolyte layer. The first electron-blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 μm or greater, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 μm or greater.
Resumen de: WO2026060686A1
The present application relates to the technical field of hydrogen production via water electrolysis, and specifically relates to a method for preparing a proton exchange membrane comprising a hydrogen barrier coating. The method comprises the following steps: S1, mixing an inorganic filler with a functional resin, adding a solvent, and stirring same to obtain a slurry; S2, coating a surface of a proton exchange membrane with the slurry, the wet thickness of the resulting coating being 10-100 μm, and drying the wet coating to obtain a dried proton exchange membrane; and S3, performing a heat treatment on the dried proton exchange membrane to obtain a proton exchange membrane comprising a hydrogen barrier coating. The present application further relates to a proton exchange membrane comprising a hydrogen barrier coating, a membrane electrode, and a device for hydrogen production via water electrolysis. The hydrogen barrier coating described herein can physically block hydrogen gas from permeating through the proton exchange membrane, thereby improving the efficiency of a water-electrolysis membrane electrode made of the proton exchange membrane, reducing the content of hydrogen in oxygen at an anode side, and further improving the service life and safety of the device for hydrogen production via water electrolysis.
Resumen de: US20260084139A1
An ammonia dehydrogenation catalyst, a method for producing same, and a method for producing hydrogen using same are disclosed. More specifically, a catalyst for ammonia dehydrogenation capable of preparing hydrogen at a high yield from ammonia, a method of preparing the same, and a method of preparing hydrogen using the same are provided. The disclosed ammonia dehydrogenation catalyst comprises: a zeolite having an intracrystalline cation; and an alkali metal and ruthenium impregnated on the zeolite.
Resumen de: US20260085436A1
A water electrolysis electrode includes an electroconductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the electroconductive substrate. The layered double hydroxide layer includes two or more transition metals. A contact angle of a surface of the layered double hydroxide layer is 20° or more and 100° or less. The contact angle on the surface of the layered double hydroxide layer may be 26° or more.
Resumen de: US20260085433A1
There is disclosed a flow arrangement 100 for an electrolyser, comprising: first and second porous walls 110, 120, corresponding to first and second electrodes of the electrolyser; an inlet chamber 102 disposed between the first and second porous walls and configured to receive a fluid through an inlet; first and second outlet chambers 130, 140 for retaining respective fluid reaction products of electrolysis. One of, or each of, the porous walls has a discontinuous porous structure comprising a body 116 and a plurality of porous regions 117 extending through the body at discrete locations to permit the fluid to flow from the inlet chamber to the respective outlet chamber, each porous region defining a respective network of flow paths through the body. There is also disclosed an electrolyser and electrolysis installation, methods of operation, and methods of manufacture.
Resumen de: US20260085431A1
The problem addressed by the present invention is that of specifying a process for the electrochemical production of LiOH from Li+-containing water with the aid of an electrochemical cell with LiSICon membrane that can be operated economically on an industrial scale too. In particular, the process should have good energy efficiency and achieve a high membrane lifetime even when the employed feed contains impurities that are harmful to LiSICon materials. The problem is solved by the flow conditions in the anodic compartment of the electrochemical cell being established such that the anolyte flows along the membrane with a certain minimum crossflow velocity.
Resumen de: US20260088313A1
The invention relates to a bipolar plate and an electrochemical cell comprising a plurality of such bipolar plates. The bipolar plate comprises a first half-plate and a second half-plate which are fixedly connected to one another, wherein the bipolar plate has a plurality of fluid passage openings comprising fluid inlet openings and fluid outlet openings and a first distributor field for distributing a fluid, an active field, and a second distributor field for distributing the fluid are located on both sides of the bipolar plate.
Resumen de: WO2026060816A1
The present invention relates to a seawater electrolysis hydrogen production system and a control method therefor. The seawater electrolysis hydrogen production system comprises: an electrolytic cell (16), an oxygen-liquid separator (1), a hydrogen-liquid separator (6), a seawater heat exchanger (28), a seawater condenser (32), an alkaline-solution heat exchanger (12), a demineralized low-salinity water storage tank (40), a salt-precipitation storage tank (45), an alkali tank (20) and a water tank (18). The seawater electrolysis hydrogen production system of the present invention can effectively use waste heat generated during electrolysis to remove easily deposited ions from seawater, and reduce the concentration of monovalent ions in the seawater so that the seawater can be used as feed water for water electrolysis hydrogen production; moreover, the content of salt accumulated in the hydrogen production system is reduced by means of evaporating a solvent to precipitate salt, so as to address the adverse effect of ions in the seawater on the performance of the seawater electrolysis hydrogen production system.
Resumen de: WO2025016765A1
The invention relates to a water treatment loop (20) for connection to at least one electrolysis stack (8) of a hydrogen producing electrolysis plant (40), comprising: a water inlet section (21) into which water drained from at least one electrolysis stack (8) can be recirculated; an ion exchanger (2) arranged downstream of the water inlet section (21); a water outlet section (22) arranged downstream of the ion exchanger (2) and adapted to supply water treated by the ion exchanger (2) to said at least one electrolysis stack (8); and a catalytic surface (23) arranged downstream of the water inlet section (21) and upstream of the ion exchanger (2), so that water recirculated via the water inlet section (21) is made to contact the catalytic surface (23) prior to interaction with the ion exchanger (2), whereby oxidants such as peroxides are at least partly removed from the water, prior to being treated by the ion exchanger (2).
Resumen de: US20260070782A1
Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes an ammonia supply unit; an ammonia demand unit; a connection line that connects the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe controlled to an average temperature of 410° C. or lower and a second pipe controlled to an average temperature of greater than 410° C., and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below.T≤15µmEquation1
Resumen de: WO2024234026A1
The invention relates to an electrolysis cell (1) for alkaline hydrogen electrolysis, comprising an electric anode (2), an electric cathode (3), a separation layer (4) which is substantially permeable to ions, is electrically insulating, is preferably in the form of a membrane or a diaphragm and is placed between the anode (2) and the cathode (3), and two electrically conductive half-shells (5, 5') which are electrically insulatingly connected to one another at their edges, wherein: the anode (2) is electrically conductingly connected to the first half-shell (5), and the cathode (3) is electrically conductingly connected to the second half-shell (5'); the anode (2), the cathode (3) and the separation layer (4) are placed between the two half-shells (5, 5') such that an anode chamber (6) and a cathode chamber (7) are formed; each of the half-shells comprises at least one inflow pipe (8, 8') and at least one outflow pipe (9, 9') for a medium; and each of the half-shells (5, 5') comprises a metal support frame (10, 10') for absorbing compressive forces, and a substantially flat outer skin (11, 11'), the support frame (10, 10') and outer skin (11, 11') being integrally bonded together, preferably welded together.
Resumen de: TW202446996A
The present disclosure relates to an electrolysis cell comprising a porous transport layer which comprises at least one metallic support layer and at least one macroporous layer which comprises titanium particles deposited on the at least one support layer so that the titanium particles are at least partly covered with at least one conductive titanium suboxide surface layer.
Resumen de: CN121152900A
A water and carbon dioxide co-electrolysis system (1) comprises an anion exchange membrane (AEM) cell (2) having at least one AEM cell (2c) comprising a cathode (8), an anode (12), and an AEM membrane (16) separating the cathode from the anode, and an anolyte circuit (18) in which the AEM membrane (16) is separated from the anode, an anolyte is fluidly connected to the anode (12) via an anolyte inlet (14i) and an anolyte outlet (14o) of the anode (12). The CO2 and H2O co-electrolysis system further comprises a mineralization system (3) comprising a mineralization unit (27) connected to the anolyte circuit (18) and comprising a mineralized metal configured to react with carbonate and bicarbonate ions circulating in the anolyte circuit (18) to form a metal carbonate.
Resumen de: GB2644246A
A catalytic reactor comprising include a housing coupled with a feedstock source to receive a flow of ammonia in gaseous form that can flow through the catalytic reactor. The housing further comprises a catalyst comprising nickel or ruthenium nanoparticles and a heating agent configured to increase in temperature when exposed to a magnetic field, furthermore a coil is positioned around the housing to provide the magnetic field to heat the metal-based catalyst using magnetic induction to be within the predefined temperature range. When exposed to the catalyst at the appropriate temperature the ammonia is decomposed to one or more reaction products.
Resumen de: CN121358894A
Proton exchange membranes are described. The proton exchange membrane includes: a reinforcing membrane; a continuous non-porous hydrogen recombination catalyst coating, the continuous non-porous hydrogen recombination catalyst coating comprising a mixture of a hydrogen recombination catalyst and a proton conducting ionomer; and a continuous non-porous cross-linked polyelectrolyte multilayer coating, the continuous non-porous cross-linked polyelectrolyte multilayer coating comprising alternating layers of a polycationic polymer and a polyanionic polymer. Catalyst coated membranes incorporating proton exchange membranes and methods of making proton exchange membranes are also described.
Resumen de: CN121175118A
Disclosed herein is a catalyst comprising a multi-component alloy having a single-phase structure. The multi-component alloy includes iridium, ruthenium, or a combination thereof in combination with at least four metals, wherein the at least four metals do not include platinum group metals. Methods of making the catalyst are also provided herein.
Resumen de: EP4715089A1
Ahydrogen generator includes a water tank configured to contain electrolysis water, an electrolysis module disposed in the water tank and configured to electrolyze the electrolysis water to generate a gas comprising hydrogen, a humidifying module having a humidifying chamber configured to contain supplement water, a diffusing device disposed in the humidifying module and configured to diffuse the gas comprising hydrogen, and a sound-proof shield disposed in the humidifying module and including a sound-proof cavity, a connecting tube communicating the water tank and the diffusing device, and a gas outlet. The gas comprising hydrogen flows through the connecting tube and the diffusing device to the supplement water in the sound-proof cavity, and then passes through the gas outlet to the humidifying chamber. The sound-proof shield blocks sound generated by the gas comprising hydrogen flowing in the device, thereby improving user experience.
Resumen de: GB2644239A
A catalytic reactor 200 comprising a housing 202 coupled with a feedstock source configured to receive a flow of an inorganic compound in the gas phase that flows through the reactor. The housing includes a metal-based catalyst 106 selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal based catalyst includes a heating agent that increases in temperature when exposed to a magnetic field. A coil 210 is positioned around the housing to provide the magnetic field to heat the metal-based catalyst using magnetic induction to be within the predefined temperature range. The amplitude of the magnetic field provided ranges from between 10 to 100 mT. Preferably the temperature range is between 300 and 700 °C.
Resumen de: EP4715092A2
According to an embodiment, an electrolysis device includes a cathode for reducing a reduction target to generate a reduction product, an anode for oxidizing an oxidation target to produce an oxidation product, an electrolyte layer provided between the cathode and the anode, and the electrolyte layer including an electrolyte layer material containing at least one selected from the group consisting of a heat-resistant polymer, a solid acid, a solid acid salt, and a molten salt, and a first ion conductive material, and a control layer that is provided at least one of between the cathode and the electrolyte layer and between the anode and the electrolyte layer, and that includes a porous material and a second ion-conductive material supported in at least a part of pores of the porous material, wherein 0 ≦ A ≦ B is satisfied, where A is an area of the second ion conductive material on a surface of the control layer on the cathode side or / and the anode side, and B is an area of the second ion conductive material on a surface of the control layer on the electrolyte layer side.
Resumen de: EP4716049A1
The invention relates to a water electrolysis installation (P) drawing power from an electrical network (NET) and providing an hydrogen production rate, the installation (P) comprising a plurality of clusters (C<sub>i</sub>). The installation (P) comprises a supervision unit (SU) defining, repetitively at successive sampling periods (k), the operating mode of the clusters (Ci) and a current setpoint (x<sup>i</sup><sub>k</sub>) of each active cluster (C<sub>i</sub>). The supervision unit (SU) comprises a candidate module (CM) configured to establish, during each sampling period, a candidate list (SL) consisting of all cluster pools capable of satisfying a production constraint and an optimization module (COM) configured to calculate, during each sampling period (k), for each cluster pool of the candidate list (SL), optimal current setpoints of the clusters and an associated efficiency value of said pool, the optimal current setpoints optimizing an objective function under the production constraint.
Resumen de: EP4715093A1
The present invention relates to a sealing device (100) for sealing a membrane electrode assembly (210) of an electrolyser cell (200) against one or more bipolar plates (220) of the electrolyser cell (200). The sealing device (100) comprises a seal (110), which extends in a width direction (101) between two opposite seal surface sides (111, 112) for sealing against respective seal counter-surfaces (211, 221) of the electrolyser cell (200) and further comprises a seal lateral side (113), which is provided laterally of the seal surface sides (111, 112). The sealing device (100) comprises further at least one limiter (120) for limiting a compression of the seal (110) in the width direction (101) by engaging two opposite limiter surface sides (121, 122) of the limiter (120) with the seal counter-surfaces (211, 221). The limiter (120) comprises further a limiter lateral side (123), which is provided laterally of the limiter surface sides (121, 122). At least a part of the limiter lateral side (123) is mechanically connected to at least a part of the seal lateral side (113).
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.
Nº publicación: JP2026509887A 25/03/2026
Solicitante:
ハイサタ・ピーティーワイ・リミテッド
Resumen de: CN121100420A
Gas pressure equalization systems (400-401) and methods of operation for electrosynthetic or electrical energy liquid gas cells or cell stacks (210) are disclosed in one example. The gas pressure equalization systems (400-401) include a first pressure equalization tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a first liquid level (471). A first gas conduit (430) is provided for transporting the first gas between the battery or battery stack (210) and the first pressure equalization tank (410). In another example, a second pressure equalization tank (420) may additionally be provided for partially containing a second liquid (473) and a second gas positioned above a second liquid level (472). A second gas conduit (440) is then provided for conveying the second gas between the cell or cell stack (210) and the second pressure equalization tank (420).
BOPI
Sede Electrónica
