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1130
results.
Updated on
16/07/2026 [07:24:00]
Results 325 to 350 of 1130
Absstract of: WO2025216104A1
This stainless steel material for solid oxide type water electrolysis contains, on a mass basis, 0.030% or less of C, 0.20% or less of Si, less than 0.30% of Mn, 0.050% or less of P, 0.0030% or less of S, 19.0-24.0% of Cr, 2.5% or less of Mo, 0.01-0.15% of Al, 0.0001-0.0100% of Mg, 0.030% or less of N, 0.40% or less of Nb, 0.40% or less of Ti, 1.00% or less of Ni and 1.00% or less of Cu, with the remainder comprising Fe and impurities. In this stainless steel material for solid oxide type water electrolysis, the average particle diameter of inclusions is 0.2-3.0 μm, the abundance of inclusions is 30-150 inclusions/mm2, the aspect ratio of inclusions is more than 1.0 and less than 3.0, and the proportion among inclusions of Mg-containing inclusions in which the Mg concentration is 0.5 mass% or more is 0.30 or more.
Absstract of: WO2026123438A1
An electrode for enhancing mass transfer, and a use of the electrode. The electrode consists of a diamond-shaped nickel mesh layer (1), a nickel foam layer (2), and a nickel wire mesh layer (3) which are sequentially arranged. The electrode for enhancing mass transfer is applied to a reactor containing an ion exchange membrane, and the electrode for enhancing mass transfer is disposed between an integrated membrane electrode and an anode end plate; and the nickel wire mesh layer (3) is in contact with the integrated membrane electrode, and the diamond-shaped nickel mesh layer (1) is in contact with the anode end plate. The electrode can enhance a mass transfer effect in a liquid-phase dilute substance electrolysis process, improve substrate conversion rate, improve product yield and Faradaic efficiency, and reduce energy consumption in water electrolysis for hydrogen production coupled with organics oxidation.
Absstract of: US20260171434A1
The present invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises: a plurality of channels (101) for guiding operating media of the energy converter (200, 300),a plurality of supply openings (103) for supplying the plurality of channels (101) with operating media,a plurality of distribution channels (105) for distributing operating media to the plurality of channels (101), wherein respective distribution channels (105) of the plurality of distribution channels (105) extend between respective supply openings (103) of the plurality of supply openings (103) and respective channels (101) of the plurality of channels (101), and wherein respective supply openings (103) of the plurality of supply openings (103) have, on a distribution channel side which faces respective distribution channels (105) of the plurality of distribution channels (105), a curved edge region, at least in some regions.
Absstract of: WO2026123685A1
Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.
Absstract of: WO2026128914A1
A safe and scalable solar particle-based PEC water splitting system that has a photoreactor that drives half-Z-Scheme photosynthetic O2 evolution from water coupled with reduction of the oxidized form of a redox mediator. This now-reduced redox mediator is then transported to an integrated second unit operation, a dark galvano-catalytic compressor that spontaneously evolves H2 at increased pressure, driven by oxidation of the reduced form of the redox mediator. By coupling an H2 compressor technology with intrinsically safe particle-based PEC approaches, and the ability to spatially control deposition of semipermeable ultrathin oxide coatings, a new reactor was developed with significant decrease in both complexity and materials requirements that is projected to generate green H2 at unprecedented low costs, in a form factor that is easily deployed, thus increasing U.S. energy and chemical resiliency.
Absstract of: WO2026126396A1
A hydrogen production apparatus according to one aspect of the present disclosure comprises: a means for irradiating a metal oxide in a solution with laser light and reducing the metal oxide; a means for separating and transporting the reduced metal; a means for reacting the reduced metal with water and generating hydrogen; and a step for recovering the generated hydrogen.
Absstract of: WO2026125185A1
Use of a high-temperature resistant alloy for making at least one equipment part of an ammonia cracking plant, wherein said at least one equipment part is exposed to a pressure of 1 to 100 bar, to a temperature of 500 to 1150 °C and to contact with a stream having an ammonia content that ranges from 5% to 100% by volume; wherein said alloy comprises 30% to 50% by weight of nickel and 20% to 40% by weight of chromium.
Absstract of: WO2026126782A1
Provided are at least one of: an iridium-containing manganese oxide exhibiting higher oxygen evolution electrocatalytic activity compared to conventional iridium-containing manganese oxides; a catalyst comprising the same; an electrode comprising the catalyst; a water electrolysis cell equipped with the electrode; and a water electrolysis method using the water electrolysis cell. An iridium-containing manganese oxide having a crystal structure of β-type MnO2, wherein the full width at half maximum of the XRD peak corresponding to the (211) plane of β-type MnO2 is 0.65° or more and 1.05° or less.
Absstract of: WO2026123080A1
Disclosed herein is an electrocatalyst comprising a ruthenium and/or iridium-based host material and a doping metal. It can be used in a water electrolyser (such as proton exchange membrane water electrolyser) with reverse osmosis (RO) treated seawater being used as feed water.
Absstract of: US20260167486A1
The systems, compositions, and methods herein provide hydrogen and aluminum salt production through the reaction of aluminum with water, using anion donor chemicals and a corrosion agent, which eliminates the need for pre-activating aluminum and avoids the formation of water-insoluble aluminum hydroxide. Water can be combined with dissolved anion donor chemicals, a corrosion agent, and aluminum in a reaction vessel. The corrosion agent corrodes an aluminum oxide layer on the aluminum, exposing raw aluminum (Al0) to water, and initiating a reaction that produces hydrogen gas, heat, and water-soluble aluminum salts. The evolved hydrogen can be captured for immediate use or storage. The produced aluminum salts can be removed and purified for use as a precursor chemical in various industrial applications. Related apparatus, techniques, and articles are also described.
Absstract of: US20260166512A1
0000 An apparatus of a reactor may comprise a first housing configured to accommodate one of a chemical hydride or an acid aqueous solution, a second housing configured to accommodate the other of the chemical hydride or the acid aqueous solution, wherein the second housing is different from the first housing, and a coupling assembly configured to selectively and fluidly connect the first housing and the second housing.
Absstract of: WO2026125008A1
A gas turbine test bench system (100, 200, 300) for producing hydrogen from prototype/validation testing comprising a gas turbine engine (10) and an electric power generator (20) electrically decoupled from any electric grid, the gas turbine engine (10) being mechanically coupled to the electric power generator (20) so to transmit mechanical energy to the electric power generator (20) and the electric power generator (20) being configured to transform mechanical energy into electrical energy, generating at least a first electrical energy flow (EE1). The system (100, 200, 300) further comprises an electrolyzer (30) electrically coupled to the electric power generator (20) and configured to receive a first electrical energy flow (EE1) from the electric power generator (20). The electrolyzer (30) is configured to use at least the first electrical energy flow (EE1) to perform electrolyzation of water so to generate a hydrogen flow (H2).
Absstract of: JP2026099650A
【課題】光吸収と酸化還元能とを併せ持つ、光触媒として有用な化合物を提供する。【解決手段】下記一般式（１）で表す化合物である。Ｒは置換基を有してもよい炭素数５～３０のアリール基であり、Ｒ１は炭素数１～３０のアルキル基であり、Ｘは一般式（２ａ）若しくは（２ｂ）で表す特定基、水素原子又はＲ１であって、少なくとも１つのＸは特定基であり、ｐは１～１０の整数であり、ｍは０～２の整数であり、ｎは０～２の整数である。一般式（２ａ）中、ＭはＰｔ、Ｐｄ又はＮｉであり、Ｌは－ＯＨ２、－ＮＨ３又はハロゲン原子である。一般式（２ｂ）中、ＭはＮｉ又はＣｏであり、Ｌは－ＯＨ２、－ＮＨ３又はハロゲン原子である。TIFF2026099650000021.tif48142【選択図】なし
Absstract of: JP2026099527A
0001 【課題】少ないエネルギー消費で改質器におけるアンモニアを加熱することができる技術を提供する。 【解決手段】水素生成システムは、アンモニアの改質により水素を生成する改質器と、アンモニアのアンモノリシス反応により水素を生成する反応装置と、反応装置で生成される水素を燃焼させることにより高温の水蒸気を生成する燃焼器と、燃焼器で生成される高温の水蒸気の熱により改質器におけるアンモニアを加熱する加熱器と、を備えている。 【選択図】図１
Absstract of: JP2026099531A
【課題】簡潔な構成で水素の生成と水素化アルカリ金属の再生とを行うことができる技術を提供する。【解決手段】アンモニア処理システムは、水素化アルカリ金属を反応物質として含む反応器と、アンモニアの改質により高温の水素を生成する改質器と、改質器で生成される高温の水素を反応器に供給する第１供給路と、を備え、反応器にアンモニアを供給する第１運転と、改質器にアンモニアを供給すると共に改質器で生成される高温の水素を第１供給路により反応器に供給する第２運転と、を実行可能であり、第１運転では、反応器おいて水素化アルカリ金属とアンモニアとのアンモノリシス反応により水素が生成され、第２運転では、反応器おいてアンモノリシス反応の逆反応により水素化アルカリ金属が再生される。【選択図】図１
Absstract of: WO2026125486A1
The present invention relates to a method for operating a solid oxide electrolysis cell (SOEC) stack, the SOEC having a fuel (cathode) side and an oxy (anode) side. The SOEC stack is adapted for at least steam electrolysis to hydrogen. The invention further relates to a system and a plant suitable for carrying out the method. Specifically, the invention relates to using methanol as a reducing agent or using methanol for supplying a reducing agent in an SOEC.
Absstract of: WO2026126400A1
This separator is used in an electrolysis cell that produces hydrogen from water contained in a conductive fluid, and comprises a plate-like main body. The main body comprises: an electrolysis region which is disposed in a central part of a first surface of the main body; a manifold which is formed in an outer peripheral part that surrounds the central part on the first surface, and which penetrates the main body; and a flow path which connects the electrolysis region and the manifold to each other. The flow path comprises a tunnel part which is connected to the inner circumferential surface of the manifold inside the main body.
Absstract of: WO2026126399A1
This separator is used in an electrolysis cell that produces hydrogen from water contained in a conductive fluid, and this separator comprises a conductive plate and an insulating layer that covers a part of the conductive plate. The conductive plate is provided with: an electrolysis region which is formed in a central part of a first surface of the conductive plate; and a supply manifold which is formed in an outer peripheral part that surrounds the central part on the first surface, and which penetrates the conductive plate. The insulating layer is provided with: a first covering part which covers the inner peripheral surface of the supply manifold; and a second covering part which forms a groove-shaped supply path that connects from the supply manifold to the electrolysis region. The electrolysis region is exposed from the insulating layer.
Absstract of: WO2026124965A1
The disclosure concerns an alkane dehydrogenation process remarkable in that it comprises the steps of (a) providing a first stream comprising one or more alkanes; (b) providing a second stream comprising hydrogen; (c) mixing the first stream and the second stream so as to generate a feedstream; (d) providing at least one proton-conducting catalytic membrane, each proton-conducting catalytic membrane comprising an anode, an electrolyte layer disposed on top of the anode and a porous cathode disposed on top of the electrolyte layer; (e) feeding within the anode of said one or more proton-conducting catalytic membranes under alkane dehydrogenation conditions the feedstream generated at step (c); and (f) recovering a first effluent comprising at least one or more alkenes.
Absstract of: WO2026127092A1
Provided is a solid polymer electrolyte membrane with a catalyst layer having low hydrogen permeability. The solid polymer electrolyte membrane with a catalyst layer includes a first catalyst layer and a solid polymer electrolyte film. The first catalyst layer includes a fluorine-containing polymer F1-1 including a unit having a cyclic ether structure and a unit having an ion exchange group. The solid polymer electrolyte membrane includes a fluorine-containing polymer F2 including a unit having two or more ion exchange groups. The ion exchange capacity of the fluorine-containing polymer F2 is 1.65 meq/g dry resin or less.
Absstract of: DE102024212108A1
Die Erfindung betrifft einen Elektrolyseur (1) mit einem Stapel (2), einem Sauerstoffgassystem (8), das fluidleitend mit anodenseitigen Bereichen verbunden ist, einem Wasserstoffgassystem (9), das fluidleitend mit kathodenseitigen Bereichen verbunden ist, einem Sauerstoffreservoir (14), einer ersten Sauerstoffverbindungsleitung (16), die das Sauerstoffgassystem (8) fluidleitend mit dem Sauerstoffreservoir (14) verbindet, einem sauerstoffseitigen Absperrorgan (10), das in der ersten Sauerstoffverbindungsleitung (16) angeordnet ist sowie einen Geschlossenzustand und einen Offenzustand hat, einem Wasserstoffreservoir (15), einer ersten Wasserstoffverbindungsleitung (17), die das Wasserstoffgassystem (9) fluidleitend mit dem Wasserstoffreservoir (15) verbindet, einem wasserstoffseitigen Absperrorgan (11), das in der ersten Wasserstoffverbindungsleitung (17) angeordnet ist sowie einen Geschlossenzustand und einen Offenzustand hat, und einem Steuergerät (3), das eingerichtet ist, bei einem Überschreiten eines Schwellenwerts eines Differenzdrucks zwischen einem anodenseitigen Gas und einem kathodenseitigen Gas das sauerstoffseitige Absperrorgan (10) und das wasserstoffseitige Absperrorgan (11) gleichzeitig von dem Geschlossenzustand in den Offenzustand zu bringen.
Absstract of: WO2026126586A1
The present invention provides: an electrolysis cell stack which is capable of suppressing a methanation reaction of a product gas generated at a hydrogen electrode by co-electrolysis even in cases where a methanation catalyst is contained in a flow path through which the product gas flows; an electrolysis cell cartridge; an electrolysis cell module; and a method for manufacturing an electrolysis cell stack. An electrolysis cell stack (101) according to the present disclosure is provided with: an electrolysis cell (105) in which a hydrogen electrode (109), a solid electrolyte membrane (111), and an oxygen electrode (113) are sequentially stacked; and a flow path (117) through which a product gas generated at the hydrogen electrode (109) by co-electrolysis flows. A configuration (103) that defines the outer contour of the flow path (117) has a poisoning surface layer (119) that contains a methanation catalyst poisoned by S.
Absstract of: WO2026127464A1
The present invention relates to a water electrolysis operation control system linked to power produced from solar energy, and, to a water electrolysis operation control system linked to solar-generated power for maximizing hydrogen production relative to renewable energy generation. The present invention comprises: a water electrolysis system (100) that is supplied with power from a solar power system and produces hydrogen; and a control unit (200) that controls an output of the water electrolysis system, wherein the control unit adjusts the output of the water electrolysis system according to the variability of the amount of solar power generation, by controlling the output of the water electrolysis system, controlling regular time intervals, controlling regular output intervals, and combining the control of the regular time intervals and the control of the regular output intervals, thus having the effect of reducing ESS capacity and increasing hydrogen production efficiency by means of a water electrolysis operation method that actively responds to the variability of renewable energy.
Absstract of: US20260168115A1
0000 An alkaline water electrolyzer (AWE) incorporates a cation-exchange membrane (CEM) instead of a conventional porous diaphragm or an anion-exchange membrane used in the conventional AWE. The corresponding change in the nature of the charge carrier from the hydroxyl anion (OH<−>) in the conventional AWE to an alkali cation (A<+>) has a substantial effect on the electrochemistry and performance of the resulting CEM-alkaline water electrolyzer (CEM-AWE). The water electrolysis device combines advantages of: 1) non-PGM (precious group metal) catalysts involved in L-AWE (liquid alkaline water electrolyzer) and in AEM-AWE (anion exchange membrane-AWE), and 2) higher efficiency, differential pressure operation, responsiveness, and long-life of PEM-WE (proton-exchange membrane water electrolyzer). The novel water electrolyzer combines advantages of the two in the CEM-AWE involving non-PGM catalysts, graphite/SS PTLs and bipolar plates. Conventional approaches to electrolysis based hydrogen generation have not employed a CEM in an AWE.
Nº publicación: WO2026128441A1 18/06/2026
Applicant:
UNIV NORTHWESTERN [US]
NORTHWESTERN UNIVERSITY
Absstract of: WO2026128441A1
An integrated electrolysis system for electrochemically converting CO2 to CO is provided, the system comprising a pH downshifter comprising: an anode inlet configured to deliver a post-capture liquid comprising carbonate anions and having an alkaline pH to an anode of the pH downshifter; the anode configured to induce a hydrogen oxidation reaction that generates protons and converts the post-capture liquid to an anolyte comprising bicarbonate anions and having a reduced pH as compared to the alkaline pH of the postcapture liquid; a cathode in electrical communication with the anode, the cathode configured to induce a hydrogen evolution reaction that generates hydroxide anions; a cation exchange membrane between the anode and the cathode; and an anode outlet configured to deliver the anolyte to a bicarbonate electrolyzer.
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