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914
results.
Updated on
03/04/2026 [07:05:00]
Results 50 to 75 of 914
Absstract of: 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.
Absstract of: US20260074250A1
A corrosion-resistant system, a carbon-free power generation system, and a fuel cell system are provided. The corrosion-resistant system includes an ammonia supply unit; a first conduit connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first conduit; and a second conduit connected to the chamber, wherein an operating temperature of the chamber is 410° C. or lower, the first conduit and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second conduit comprises a nickel-based alloy (NT) satisfying Equation 1: T≤15 μm.
Absstract of: US20260070031A1
An ammonia decomposition reactor, a hydrogen production apparatus and a method for producing hydrogen are provided. The ammonia decomposition reactor may include a first chamber and a second chamber, wherein an operating temperature of the first chamber is 410° C. or lower, the first chamber includes at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel, and a nickel-based alloy, and the second chamber includes a nickel-based alloy (NT) satisfying Equation 1 below.T≤15μmEquation1
Absstract of: WO2024236080A1
There is provided a membrane electrode assembly (MEA) for an electrochemical devices, such as for fuel cells and electrolyzers, particularly for polymer electrolyte membrane (PEM) fuel cells, said membrane electrode assembly comprising a composite electrolyte membrane comprising a reinforced electrolyte layer comprising at least one porous support, the porous support being at least partially imbibed with a first ion exchange material; and a first electrode comprising a reinforced electrode layer comprising a porous support, the porous support being at least partially imbibed with a first catalyst and a second ion exchange material, wherein the composite electrolyte membrane is in contact with the first electrode. Also provided is a composite electrolyte membrane, which can be used in the manufacture of the membrane electrode assembly and a fuel cell and electrolyzer comprising such a membrane electrode assembly. A method for the manufacture of the membrane electrode assembly, and a membrane electrode assembly obtainable by such a method are also disclosed.
Absstract of: WO2025017013A1
The present invention relates to an electrode comprising or consisting of an electrocatalyst, the electrocatalyst comprising a metal boride, wherein the metal boride comprises at least one element M1 selected from Ti, Zr and Hf, and at least one element M2 selected from Co, Ni, Ru, Rh, Pd, Ir and Pt; and the metal boride contains more than 10 atomic % of M2. The present invention also provides an electrode obtainable by subjecting the electrode to an electrocatalytic reaction. It also relates to an electrolyzer comprising said electrode. It is also concerned with a method for producing an electrode, and use of an electrode in an electrocatalytic reaction.
Absstract of: WO2026058474A1
This water electrolysis system is provided with: a hydrogen production device unit that comprises a water electrolysis stack unit that includes one or more water electrolysis stacks that produce oxygen and hydrogen through an electrolytic reaction; a power source that supplies direct-current power to the one or more water electrolysis stacks; a pure water supply piping system that supplies pure water; an oxygen outflow piping system that causes oxygen produced by the water electrolysis stack unit to flow out to the outside; a hydrogen outflow piping system that causes hydrogen produced by the water electrolysis stack unit to flow out to the outside; an insulation unit that electrically insulates between the hydrogen production device unit and the ground; electrically insulating first insulated piping that is disposed in part of the pure water supply piping system; electrically insulating second insulated piping that is disposed in part of the oxygen outflow piping system; and electrically insulating third insulated piping that is disposed in part of the hydrogen outflow piping system.
Absstract of: CN119020815A
The invention provides an electrode and a preparation method and application thereof, and belongs to the technical field of functional materials. The electrode comprises a substrate, a nickel transition layer wrapping the surface of the substrate and a porous active layer wrapping the surface of the nickel transition layer, the porous active layer is made of nickel-based alloy or cobalt-based alloy, and alloy elements in the nickel-based alloy and the cobalt-based alloy comprise zinc. The electrode provided by the invention has the characteristics of high activity, high stability and high binding force when being used for producing hydrogen by electrolyzing water.
Absstract of: US20260078510A1
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.
Absstract of: US20260077337A1
A photocatalyst has a perovskite type crystal, the photocatalyst has, present on a surface, a stepped structure including a terrace and a step, and an occupancy ratio of a projected area of the stepped structure to a total projected area in an observation image of the surface is 20% or more. It is preferable that the terrace is formed of a {100} facet, and the step is formed of the {100} facet or a {110} facet.
Absstract of: WO2026019015A1
One embodiment of the present invention provides an anion-exchange membrane water electrolysis system incorporating a reference electrode, and a method for producing same. The anion-exchange membrane water electrolysis system incorporating a reference electrode according to one embodiment of the present invention places the reference electrode not between reduction (cathode) and oxidation (anode) electrodes but outside of a membrane electrode assembly, thereby allowing overvoltage of each electrode to be measured without degrading system performance.
Absstract of: US20260078501A1
A water electrolysis system having: a membrane-electrode assembly; a first separator in contact with a hydrogen electrode of the membrane-electrode assembly; a hydrogen flow passage provided between the first separator and the hydrogen electrode; a second separator in contact with an oxygen electrode of the membrane-electrode assembly; an oxygen flow passage provided between the second separator and the oxygen electrode; and a cooling device that cools the hydrogen electrode such that a temperature of the hydrogen electrode becomes lower than a temperature of the oxygen electrode.
Absstract of: WO2026059567A1
A method and system for capturing carbon dioxide from the air with a carbon contactor (also referred as to a carbon capture device), using an carbonate lean/poor alkaline solution to produce a carbonate rich alkaline rich solution, sending the resulting carbonate rich solution to an electrolyzer to generate hydrogen gas, and using the hydrogen gas to power a power plant, the hydrogen gas either used alone, or blended with natural gas or ammonia, and at least some of the power generated by the power plant is used to power the contactor and the electrolyzer.
Absstract of: AU2024341133A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: WO2026056375A1
The present application discloses a nitride Ta3N5, and a preparation method therefor and a use thereof. The specific method comprises: subjecting a precursor I to high-temperature hydrolysis to prepare TaOx having a small size; and by utilizing the characteristics of TaOx being amorphous and having a small particle radius, performing short-duration nitridation on same to prepare Ta3N5. The formation of low-valence metal defects is effectively reduced, the charge separation efficiency is improved, and water-splitting activity is exhibited in a photocatalytic water splitting reaction. Compared with Ta3N5 prepared by a conventional method, the activity of the product of the present application is significantly improved.
Absstract of: WO2026059202A1
The present invention relates to a super-anaerobic dual-function water electrolysis electrode based on a non-noble metal-non-metal mixed catalyst and a manufacturing method therefor. According to the present invention, by reducing the size of gas bubbles, which are generated during a water electrolysis reaction, to be easily separated from the electrode surface and at the same time, to maximize the active surface area of a catalyst, a super-anaerobic water electrolysis electrode having excellent performance can be provided.
Absstract of: WO2026059005A1
A reaction cell for an ammonia electrolysis reaction and an electrochemical hydrogen extraction system including same are disclosed. Specifically, a reaction cell (10) for use in an ammonia electrolysis reaction is provided, the reaction cell (10) comprising: an anode (100) comprising a first metal; a cathode (200) comprising a second metal; and a separator (300) positioned between the anode and the cathode and comprising a cation exchange membrane (310). The present invention provides a hydrogen production technology based on anhydrous ammonia electrolysis through cation exchange, thereby enabling production of high-purity, high-pressure hydrogen with low energy consumption.
Absstract of: WO2026057565A1
The invention relates to the field of photocatalytic hydrogen generation using sunlight and water. It addresses the technical problem of efficiently splitting water into hydrogen and oxygen using a specially designed photoelectrode. The photoelectrode comprises a semiconductive photo-harvester containing e. g. metal silicide, an oxidation cocatalyst with magnesium tin oxide, and a reduction cocatalyst of cobalt, nickel, and manganese alloys. The manufacturing method includes preparing a silicon-based photosensitive material, applying protective and anti- reflective coatings, and bonding the cocatalysts using techniques like sputtering. The photoelectrode is used in a transparent container filled with water and exposed to sunlight to generate hydrogen and oxygen, which can be collected and stored for energy applications, such as fuel cells. This invention aims to provide a renewable and environmentally friendly method for hydrogen production, overcoming challenges related to material stability and water impurities.
Absstract of: WO2026059452A1
The present invention relates to a cell, an electrode and a method for producing hydrogen. The cell comprises a first and second electrode, wherein the first electrode is constituted by a cathode constituted by a Ni-SGPA material deposited on a substrate and the second electrode is constituted by an anode and a reference electrode, an electrolyte comprising H2SO4, and an electric power supply for applying a pulsed voltage.
Absstract of: WO2026058041A1
A system can include a catalytic reactor heated using magnetic induction to perform a magnetically induced decomposition reaction. The catalytic reactor can include a housing coupled with a feedstock source to receive a flow of an inorganic compound in gaseous form that can flow through the catalytic reactor. The housing can include a metal-based catalyst selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal- based catalyst can include a heating agent that can increase in temperature when exposed to a magnetic field. A coil can be 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
Absstract of: WO2026057993A1
A process for the catalytic cracking of a liquid ammonia feedstock to produce a cracked gas stream, comprising the steps of i) heating the liquid ammonia feedstock to an intermediate temperature by heat exchange with a liquid heat exchange medium to produce a cooled liquid heat exchange medium; and ii) using the cooled liquid heat exchange medium to provide cooling to one or more downstream processes.
Absstract of: WO2026057995A1
A process for the catalytic cracking of a liquid ammonia feedstock to produce a cracked gas stream, comprising the steps of i) heating the liquid ammonia feedstock to an intermediate temperature by heat exchange with a liquid heat exchange medium to produce a cooled liquid heat exchange medium; and ii) using the intermediate temperature liquid ammonia feedstock to provide cooling to one or more downstream processes.
Absstract of: WO2026057486A1
The invention relates to an electrolysis system for the electrolytic splitting of water, having an electrolysis cell (1) which has two reaction chambers (2; 3) which are separated by a semipermeable barrier, wherein a reaction chamber (2; 3) is connected to a discharge line (9) through which water and gas are discharged from the reaction chamber (2; 3). A riser pipe (20) branches off from the discharge line (9), in which riser pipe a gas sensor (17) is arranged which detects the concentration of a gas in the riser pipe (20).
Absstract of: WO2026057209A1
The invention relates to an apparatus (10) for producing hydrogen from water by means of electrical current, the apparatus comprising: a plurality of electrolysis devices (11), each electrolysis device (11) having at least one water supply connection (13), at least one water discharge connection (14), and at least one hydrogen discharge connection (15), each electrolysis device (11) being connected, via its at least one water supply connection (13), to a water supply line (16), via its at least one water discharge connection (14) to a discharge line (17) for water and oxygen, and via its at least one hydrogen discharge connection (15) to a discharge line (18) for hydrogen; a housing or frame (19) in which the electrolysis devices (11) are arranged; an inert gas generation device (20) which is designed to generate inert gas in situ within the apparatus (10), wherein each electrolysis device (11) and/or the discharge line (18) for hydrogen and/or a device (22) arranged in the hydrogen discharge line (18) for processing the hydrogen and/or the discharge line (17) for water and oxygen and/or a device (23) arranged in the discharge line (17) for water and oxygen for removing oxygen from the discharged water and/or the housing or frame (19) can be flushed with inert gas generated by the inert gas generation device (20).
Absstract of: WO2026057149A1
The invention relates to the field of photocatalytic hydrogen generation using sunlight and water. It addresses the technical problem of efficiently splitting water into hydrogen and oxygen using a specially designed photoelectrode. The photoelectrode comprises a semiconductive photo-harvester containing metal silicide, an oxidation cocatalyst with magnesium tin oxide, and a reduction cocatalyst of cobalt, nickel, and manganese alloys. The manufacturing method includes preparing a silicon-based photosensitive material, applying protective and anti-reflective coatings, and bonding the cocatalysts using techniques like sputtering. The photoelectrode is used in a transparent container filled with water and exposed to sunlight to generate hydrogen and oxygen, which can be collected and stored for energy applications, such as fuel cells. This invention aims to provide a renewable and environmentally friendly method for hydrogen production, overcoming challenges related to material stability and water impurities.
Nº publicación: US20260077326A1 19/03/2026
Applicant:
INFINIUM TECH LLC [US]
Infinium Technology, LLC
Absstract of: US20260077326A1
The present invention is generally directed to a reactor for the production of low-carbon syngas from captured carbon dioxide and renewable hydrogen. The hydrogen is generated from water using an electrolyzer powered by renewable electricity or from any other method of low-carbon hydrogen production. The improved catalytic reactor is energy efficient and robust when operating at temperatures up to 1800° F. Carbon dioxide conversion efficiencies are greater than 75% with carbon monoxide selectivity of greater than 98%. The catalytic reactor is constructed of materials that are physically and chemically robust up to 1800° F. As a result, these materials are not reactive with the mixture of hydrogen and carbon dioxide or the carbon monoxide and steam products. The reactor materials do not have catalytic activity or modify the physical and chemical composition of the conversion catalyst. Electrical resistive heating elements are integrated into the catalytic bed of the reactor so that the internal temperature decreases by no more than 100° F. from the entrance at any point within the reactor. The catalytic process exhibits a reduction in performance of less than 0.5% per 1000 operational hours.
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