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1017
results.
Updated on
15/11/2026 [08:03:00]
Results 400 to 425 of 1017
Absstract of: WO2026211328A1
The purpose of the present invention is to provide an electrode material for water electrolysis, with which a higher current density than that with conventional electrode materials for water electrolysis is rendered possible. This electrode material for water electrolysis comprises at least one compound (A) selected from the group consisting of iron-containing oxides and iron-containing hydroxides and at least one metal-containing component (B) selected from the group consisting of nickel, cobalt, and oxides of these, wherein the standard deviation of the weight ratio between the iron element of the compound (A) and the metallic element of the metal-containing component (B), as determined by the following calculation method, is 3 or less.
Absstract of: JP2026161444A
【課題】本発明の目的は、高電流密度運転時の電解槽内圧の変動を抑制し、時間当たりの水素製造量が増加し、再生可能エネルギー等の変動電源への対応が可能な電解枠を提供することにある。【解決手段】本発明の複極式電解槽用電解枠は、陽極室及び陰極室と、前記陽極室と前記陰極室との間に設けられた隔壁と、電極室の上側に設けられ且つ前記電極室の上側の全長にわたって延びる気液分離室と、を備え、気液分離室が、吐出口と孔を有し、有孔底部壁と、仕切壁と、を備え、前記仕切壁は、前記有孔底部壁の有孔域の上に形成された第１通路Ａと、前記有孔底部壁の非有孔域の上に形成された第２通路Ｂとに、前記気液分離室を仕切っており、前記仕切壁は、前記気液分離室が延びる方向に前記一端に対して反対側にある端の近傍に隙間を有する、ことを特徴とする。【選択図】図４
Absstract of: WO2026212178A1
The present application relates to: a plasmonically driven electrochemical catalyst structure; and an ammonia oxidation system and a wastewater electrolysis system, each comprising same. The electrochemical catalyst structure according to embodiments of the present application and the ammonia oxidation system comprising same may provide an environment favorable for ammonia oxidation reaction (AOR) activity, as plasmonic activity regulates the arrangement of interfacial water molecules and alters the hydrogen-bonding network.
Absstract of: CA3322784A1
The present invention relates to a control method for adjusting the load of an electrolysis plant (1) by means of a central plant control system (5), wherein the plant control (5) is configured such that at a time t0, within the physical limits Lmin to Lmax of the electrolysis plant (1), a maximum available capacity Lplant of the electrolysis plant (1) for first discrete time segments of a time interval t1 to t2 can be set as a first setpoint, that at the time t0, within the maximum available capacity Lplant, the utilization of the electrolysis plant (1) Splant can be set as a second setpoint for second discrete time segments of a time interval from ta to t2, where t2 > t1 > ta ≥ t0, and wherein an electrical power or a quantity of hydrogen is specified to the plant controller (5) as the first and second setpoints.
Absstract of: DE102025113543A1
Die Erfindung betrifft einen Elektrolyseur (1) zur Erzeugung von Wasserstoff (H2) und Sauerstoff (O2) als Produktgase, mit einem Elektrolysemodul (3) und mit einem Gas-Separator (5), der zur Phasentrennung des Produktgases von Wasser ausgelegt ist, bei der das Elektrolysemodul (3) über eine Produktstrom-Leitung (7) für das Produktgas an den Gas-Separator (5) angeschlossen ist, und bei dem eine Rückführleitung (9) mit einer Förderpumpe (13) für das abgetrennte Wasser vorgesehen ist, die den Gas-Separator (5) mit dem Elektrolysemodul (3) verbindet. Dabei ist ein Schwungradspeicher (13) vorgesehen, der mit der Förderpumpe (11) gekoppelt ist, so dass bei Störung der Energieversorgung ein Weiterbetrieb der Förderpumpe (11) über die im Schwungradspeicher (13) gespeicherte Rotationsenergie sichergestellt ist.Die Erfindung betrifft weiterhin ein Verfahren zum Betrieb eines Elektrolyseurs (1) mit einem Elektrolysemodul (3). Bei einer Störung der Stromversorgung wird ein unterbrechungsfreier Weiterbetrieb der Förderpumpe (11) dadurch erreicht, dass im Schwungradspeicher (13) gespeicherte Rotationsenergie als elektrische Energie zurückgewonnen und zum Weiterbetrieb der Förderpumpe (11) eingesetzt wird.
Absstract of: WO2026211917A1
The present invention addresses the problem of providing: a gas diffusion substrate used for electrolyzing carbon dioxide gas, the gas diffusion substrate suppressing the generation of a side reaction product (H2) over time (the ratio (C2H4/H2) of a main reaction product to the side reaction product is maintained over a long period of time); a method for manufacturing the same; an electrolytic cell electrode including the gas diffusion substrate; and a carbon dioxide electrolysis device including the electrolytic cell electrode. Provided are: a gas diffusion substrate which is used for electrolyzing carbon dioxide gas and is obtained by laminating a water-repellent porous layer (MPL) on at least one surface of a porous carbon electrode substrate (GDL), the gas diffusion substrate having a gas permeability in the through-plane direction from the GDL side of 1.0-3.0 mL/cm2·hr·Pa and a liquid permeation resistance from the MPL side of 180 min or more; a method for manufacturing the same; an electrolytic cell electrode including the gas diffusion substrate; and a carbon dioxide electrolysis device including the electrode for an electrolytic cell.
Absstract of: WO2026210344A1
The present invention relates to a system (100) for the production of hydrogen by liquid-phase water hydrolysis at temperatures even exceeding 100 °C and to its use in a hard-to-abate plant, namely a cement, steel, chemical, or petrochemical plant, or in a geothermal or solar plant, by utilizing the waste heat from said plant. The present invention also relates to a process for the production of hydrogen by water electrolysis and to a plant configured to use the waste heat from said plant as heating means of a system (100) for the production of hydrogen by electrolysis of water.
Absstract of: WO2026207618A1
An electrolyzer system and associated design and optimization methods are disclosed for producing hydrogen gas from an impure wastewater feedstock. Electrode temperature mapping and analysis of thermoelectric phenomena, including Joule/Thomson effects in homogeneous conductive electrodes such as 316L stainless steel, are used to identify localized oxidation and reduction regions and correlate them with gas bubble nucleation and detachment. These findings, together with electrode material characteristics and operating conditions, are incorporated into computational fluid dynamics modeling of two-phase gas–liquid flow to predict electrode and flow-field configurations that improve bubble removal, reduce overpotential and resistive losses, and enhance heat and mass transfer. In some embodiments, optimized electrodes include microchannel networks configured to direct electrolyte toward preferential reaction sites and promote gas disengagement. The resulting systems can achieve energy consumption and hydrogen production rates using contaminated wastewater comparable to systems operating on purified, demineralized water.
Absstract of: WO2026210989A1
A water electrolysis system (50) comprises: a water electrolysis device (11); a first heat exchanger (16b) that cools hydrogen generated in the water electrolysis device (11) and performs dehumidification; a second heat exchanger (51a) that exchanges heat between the hydrogen after dehumidification in the first heat exchanger (16b) and hydrogen reaching the first heat exchanger (16b) from the water electrolysis device (11); and a catalyst (51b) that removes oxygen contained in the hydrogen, which has increased in temperature due to the heat exchange in the second heat exchanger (51a).
Absstract of: US20260308789A1
An electrolyzer producing hydrogen. According to an aspect, the electrolyzer contains a stack producing a first fluid containing oxygen and a second fluid containing hydrogen upon application of voltage across the stack. A first pipe carries the first fluid away from the stack. A sensor is operable to send vibration signals representing a measure of vibrations of the first pipe when carrying the first fluid away from the stack, and a detection system operates to detect damage to one or more components within the stack based on the vibration signals.
Absstract of: WO2026211543A1
A management device (7) comprises: a unit price determination unit (11) that determines whether or not a unit price of electric power is at least a prescribed value; a control unit (13) that outputs a control command for controlling an electrolysis device (3) which generates hydrogen gas and oxygen gas by operating on the basis of electric power, and a hydrogen storage and supply device (4) which is capable of storing and supplying hydrogen gas; and a boiler operation determination unit (12) that determines whether or not it is necessary to operate a hydrogen boiler (5) that burns hydrogen gas and oxygen gas to heat a water tube and generate steam. When it is determined that a first condition is satisfied, the first condition being that the unit price is less than the prescribed value and operation of the hydrogen boiler (5) is unnecessary, the control unit (13) outputs the control command so as to bring about a first state in which a portion of the hydrogen gas generated in the electrolysis device (3) is supplied to hydrogen-using equipment (6) and a portion of the hydrogen gas generated in the electrolysis device (3) is stored in the hydrogen storage and supply device (4). When it is determined that a second condition is satisfied, the second condition being that the unit price is equal to or greater than the prescribed value and operation of the hydrogen boiler (5) is necessary, the control unit (13) outputs the control command so as to bring about a second state in which
Absstract of: WO2026211560A1
Provided is a leakage detection method for an electrolytic solution from a water electrolysis device. The water electrolysis device includes an electrolytic cell for storing the electrolytic solution, a gas-liquid separator to which a gas generated in the electrolytic cell is guided, and a circulation line for circulating the electrolytic solution between the electrolytic cell and the gas-liquid separator. The method comprises: a step for acquiring an integrated estimated value, which is an integrated value from a reference time point of an estimated value of a supply amount of pure water to the electrolytic solution; a step for acquiring an integrated measured value, which is an integrated value from the reference time point of a measured value of the supply amount of pure water to the electrolytic solution; and a leakage detection step for detecting leakage of the electrolytic solution from the water electrolysis device on the basis of a comparison between a threshold value determined on the basis of the integrated estimated value and the integrated measured value.
Absstract of: WO2026210986A1
This water electrolysis system (10) comprises: a hydrogen-side device that includes a water electrolysis device (11) disposed in a housing (C1); a partition wall (17) that demarcates a predetermined region (R) in which the hydrogen-side device is disposed; and an exhaust device (18a) that is disposed in the upper part of the predetermined region (R) and that performs ventilation by discharging a gas in the predetermined region (R) to the outside of the housing (C1). The upper end of the partition wall (17) reaches the ceiling surface of the housing (C1), at least a part of the lower end of the partition wall (17) is separated from the floor surface of the housing (C1) to communicate the inside and the outside of the predetermined region (R) with each other, and the amount of ventilation by the exhaust device (18a) is set on the basis of a planar cross-sectional area obtained by horizontally cutting the predetermined region (R) and a ventilation speed satisfying a dilution degree condition related to ventilation performance.
Absstract of: WO2026209152A1
A power supply system (100) for an electrolyzer module (201) is provided. The electrolyzer module (201) comprises at least two electrolyzers (1, 2) connected in series and operated with a main current provided by a main converter (10) comprised in the power supply system (100). The power supply system (100) further comprises a first partial power circuit (21) coupled to a first electrolyzer (1) of the at least two electrolyzers (1, 2); a second partial power circuit (22) coupled to a second electrolyzer (2) of the at least two electrolyzers (1, 2); and a controller (30) configured to operate at least one of the first partial power circuit (21) and the second partial power circuit (22) to adjust the main current flowing through at least one of the first and second electrolyzers (1, 2), based on respective degrees of performance degradation of the first and second electrolyzers (1, 2).
Absstract of: US20260308295A1
0000 Provided are: a polymerizable composition containing a quaternary ammonium salt represented by formula (I), a polymerizable monomer, a linear or branched C1-4 alkylene glycol, and at least one hydroxyl group-containing compound selected from the group consisting of a C4-15 primary alcohol, a C4-15 secondary alcohol, and a C5-15 diol which has a hydroxy group bonded to a secondary carbon atom; an ion exchange resin; an ion exchange membrane; a membrane electrode assembly; and a hydrogen production device.
Absstract of: US20260308786A1
0000 The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solution from (iii) to affect a precipitation and form a solid and a supernatant; (v) separating the solid from the supernatant; and (vi) drying the solid. An oxygen evolution catalyst obtainable by the process is also described.
Absstract of: US20260308772A1
0000 A gas generator 20 for a tool including an electrolytic cell 30 for producing oxyhydrogen gas with a hollow cell body 31 and an electrode pair 32 with a first electrode 33 and a second electrode 35. The first electrode 33 and the second electrode 35 are separated by a non-conductive separator 37 in the hollow cell body 31. A gas extraction tube 55 is arranged in the hollow cell body 31. A usage of such a gas generator in a tool and a tool with such a gas generator is also provided.
Absstract of: US20260308776A1
The disclosed technology relates to a composition for mitigating hydrogen cross-over and for mitigating polymer oxidation by adding radical scavenging organic inhibitors within a proton exchange membrane (“PEM”) electrolyzer.
Absstract of: US20260308771A1
0000 Provided herein is an ammonia cracker comprising: an anolyte reservoir housing an anolyte comprising alkali and ammonia; at least one catholyte reservoir housing at least one catholyte, wherein the at least one catholyte comprises acid or alkali; and an electrolysis cell, the electrolysis cell comprising: an anode chamber housing an anode; at least one cathode chamber housing a cathode; and an ion exchange membrane separating the anode chamber and the cathode chamber. Also provided herein is a method of producing hydrogen, the method comprising: (i) feeding an anolyte comprising ammonia and alkali to an anode chamber housing an anode; and (ii) feeding an acid or alkali catholyte to a cathode chamber housing a cathode; wherein an ion exchange membrane separates the anode chamber and the cathode chamber. Further provided herein is hydrogen produced by the method disclosed herein.
Absstract of: US20260308775A1
A water and carbon dioxide co-electrolyser system (1) comprising an anion exchange membrane (AEM) electrolyser (2) having at least one AEM electrolyser 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 an anolyte flows connected to the anode (12) via an anolyte inlet (14i) and anolyte outlet (140) of the anode (12). The CO2 and H2G co-electrolyser system further comprises a mineralization system (3) including a mineralization unit (27) connected to the anolyte circuit (18) and containing a mineralization metal configured to react with the carbonate and bicarbonate ions circulating in the anolyte circuit (18) to form a metal carbonate.
Absstract of: US20260312109A1
0000 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: WO2026208158A1
An off-grid offshore energy island system for hydrogen production, comprising wind turbine modules (1), a semi-submersible anti‑motion platform (2), and an energy storage module (3), a seawater desalination module (4), a water electrolysis hydrogen production module (5), hydrogen storage modules (6), a hydrogen liquefaction module (7), and an intelligent control module (8) which are arranged on the semi-submersible anti‑motion platform (2). The system realizes large-scale development of deep-sea wind energy by means of the floating wind turbine modules (1). The design of the semi-submersible anti‑motion platform (2) effectively solves the problem of structural stability under complex marine conditions in the deep sea, and significantly improves wind power capture efficiency in cooperation with the multi‑wind turbine parallel operation technology. An energy-resource synergistic conversion system is achieved. A full-chain coupling system of "wind power, energy storage, freshwater, green hydrogen, and liquid hydrogen" is pioneered, the electric energy conversion efficiency is improved, the intelligent control module (8) realizes dynamic matching of loads of various modules under wind power fluctuations, the overall energy utilization efficiency of the system is greatly improved, and zero-consumption water resource recycling is achieved. Further comprised is an operation control method.
Absstract of: US20260312101A1
An apparatus for generating electrical energy is disclosed. The apparatus comprises an electrolytic hydrogen generator configured to receive electricity from at least one renewable electricity generating source and produce hydrogen and oxygen from water. The apparatus also comprises a hydrogen storage unit configured to store hydrogen produced by the electrolytic hydrogen generator and a plurality of hydrogen fuel cells in fluid connection with the hydrogen storage unit and a source of oxygen or air, each hydrogen fuel cell configured to generate electricity from hydrogen supplied from the hydrogen storage unit and oxygen or air supplied from the source of oxygen or air.
Absstract of: US20260312078A1
The present invention relates to method for the synthesis of a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor, wherein the electrodeposition takes places at a deposition current density of 500 to 2000 mA/cm2. The present invention further relates to a transition metal catalyst characterised in that it is stable for at least 30 minutes at a current density of at least 400 A/cm2 on the substrate electrode.
Nº publicación: US20260308779A1 08/10/2026
Applicant:
VIERING JENTSCHURA & PARTNER MBB PATENT UND RECHTSANWAELTE [DE]
Viering, Jentschura & Partner mbB Patent- und Rechtsanw\u00E4lte
Absstract of: US20260308779A1
The present invention concerns composite casing structures for electrolytic cells wherein each casing structure is made of a plurality of casing components, optionally made of at least two different materials, which are subsequently joined together to form a structure suitable to house one or more of the following elements: electrodes, separators, bipolar elements, elastic elements and/or current collectors. The casing structure may be advantageously employed in electrolysers for high pressure alkaline water electrolysis.
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