Resumen de: WO2026072487A1
Systems and methods are provided for conversion of renewable power into hydrocarbons, such as hydrocarbon fuels, via a methanol intermediate. In addition, it is desired to capture and reuse carbon dioxide in order to form these hydrocarbons. When the conversion of carbon dioxide is performed using hydrogen generated by electrolysis (preferably from renewable electricity), the management of process water is beneficial for reducing or minimizing the overall water requirements for the process as well as extending the lifetime of the electrolyzers. Systems and methods are also provided for recovery and purification of process water for recycle to the electrolyzers.
Resumen de: DE102024209486A1
Die Erfindung betrifft eine Elektrolyseanlage (1) für die Zerlegung von Wasser in Wasserstoff und Sauerstoff umfassend einen Elektrolysestapel (2) mit einer ersten Elektrodenseite (3) und einer zweiten Elektrodenseite (4), einen ersten Separator (5), eine von der ersten Elektrodenseite (3) des Elektrolysestapels (2) abzweigende und in den ersten Separator (5) mündende erste Sammelleitung (6) und eine vom ersten Separator (5) abzweigende und in die erste Elektrodenseite (3) des Elektrolysestapels (2) mündende erste Flüssigkeitszirkulationsleitung (7) mit einem ersten Flüssigkeitszirkulationsventil (8), weiter umfassend einen zweiten Separator (9), eine von der zweiten Elektrodenseite (4) des Elektrolysestapels (2) abzweigende und in den zweiten Separator (9) mündende zweite Sammelleitung (10) und eine vom zweiten Separator (9) abzweigende und in die zweite Elektrodenseite (4) des Elektrolysestapels (2) mündende zweite Flüssigkeitszirkulationsleitung (11) mit einem zweiten Flüssigkeitszirkulationsventil (12), wobei ein erstes Sicherheitsventil (13) in der ersten Sammelleitung (6) angeordnet ist und ein zweites Sicherheitsventil (14) in der zweiten Sammelleitung (10) angeordnet ist. Die Erfindung betrifft ferner ein Verfahren zur Trennung eines Elektrolysestapels () von einem ersten Separator (5) in einer Elektrolyseanlage (1).
Resumen de: DE102024209484A1
Die Erfindung betrifft eine mehrsträngige Elektrolyseanlage (1) für die Zerlegung von Wasser in Wasserstoff und Sauerstoff, umfassend mehrere parallel geschaltete Elektrolysestränge (2) mit jeweils mehreren in Reihe geschalteten Elektrolysestapeln (3), sowie einen ersten Separator (4), der über eine erste Hauptzufuhrleitung (5) und davon abgehende erste Zweigleitungen (6) mit ersten Eingängen (7) einer jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) verbunden ist, wobei erste Ausgänge (9) der jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) über erste Sammelleitungen (10), die in eine erste Hauptabfuhrleitung (12) münden, mit dem ersten Separator (4) verbunden sind, sowie einen zweiten Separator (12), der über eine zweite Hauptzufuhrleitung (13) und davon abgehende zweite Zweigleitungen (14) mit zweiten Eingängen (15) einer jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) verbunden ist, wobei zweite Ausgänge (17) der jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) über zweite Sammelleitungen (18), die in eine zweite Hauptabfuhrleitung (19) münden, mit dem zweiten Separator (12) verbunden sind, wobei in den ersten und zweiten Hauptzufuhrleitungen (5, 13), den ersten und zweiten Zweigleitungen (6, 14), den ersten und zweiten Sammelleitungen (10, 18) und den ersten und zweiten Hauptabfuhrleitungen (11, 19) Ventile (20) angeordnet sind. Ferner betrifft die Erfindung ein Verfahren zum Betrieb einer mehrstr�
Resumen de: WO2026072631A1
An apparatus for generation of at least one of carbon dioxide or hydrogen from saline water is disclosed. The apparatus includes an anodic compartment, an anode on a first side of the anodic compartment, a cathodic compartment, a cathode on a first side of the cathodic compartment, a first cation permeable fluidic separator on a second side of the anodic compartment, a second cation permeable fluidic separator on a second side of the cathodic compartment, a center compartment between the first and second cation permeable fluidic separators, and a mixing chamber including an inlet fluidly connectable to or in fluid communication with the outlet of the anodic compartment and an outlet, the center compartment having one of an outlet fluidly connectable to or in fluid communication with the inlet of the mixing chamber or an inlet fluidly connectable to or in fluid communication with the outlet of the mixing chamber.
Resumen de: WO2026070107A1
Provided is a catalyst layer-attached electrolyte membrane comprising an electrolyte membrane, a first catalyst layer, and a second catalyst layer in this order, wherein the first catalyst layer is an inorganic layer including a metal catalyst, the second catalyst layer is an inorganic layer or an organic layer including a metal catalyst, and the metal catalyst included in the first catalyst layer and the metal catalyst included in the second catalyst layer contain the same group element.
Resumen de: DE102024209653A1
Die Erfindung betrifft eine Zelle (1) für die PEM-Wasser-Elektrolyse, die zumindest eine Abfolge von einer GDL Anode (GDLA), einer MEA, einer Kathode (GDLK)in einem Rahmen (10) aufweist, wobei die Stirnseiten (26, 28) der Anode (GDLA) und Kathode (GDLK) mit einer Dichtung (25, 27) versehen sind,die unter Druck dicht an den Rahmen (10) anlegen, sowie Bipolarplatten (BPP) auf der Anode (GDLA) und unter der Kathode (GDLK).
Resumen de: DE102024209483A1
Die Erfindung betrifft ein Sicherheitssystem (1) mit einem Detektor (2) für Strukturschäden in einem Elektrolysestapel (3) mit einer Vielzahl von Elektrolysezellen (4), wobei der Detektor (2) als optischer Sensor, Ultraschallsensor, Kontaktband zur mechanischen Detektion, raumakustische Überwachung, Körperschallüberwachung an Endplatten des Elektrolysestapels oder als Sensorik in Blindflanschen, Gasverteilern oder Gassammlern ausgestaltet sein kann. Die Erfindung betrifft ferner eine Elektrolyseanlage mit einem solchen Sicherheitssystem (1) und ein Verfahren zur Detektion von Strukturschäden in einem Elektrolysestapel (3).
Resumen de: WO2026070246A1
The purpose of the present invention is to provide a gasket that can prevent crevice corrosion while maintaining a sealing property, which is basic performance for a gasket. The gasket for electrolysis according to the present invention is frame-shaped and has a hollow part on an inner periphery thereof, and moreover: at least one protrusion having a peripherally continuous height of 1 mm or greater is provided on one surface thereof; at least one groove having a peripherally continuous depth of 0.1 mm or greater is provided to the other surface thereof; and L1/L2≤3 is satisfied, where L1 is the distance from the inner peripheral end to the protrusion provided most on the inner peripheral side, and L2 is the distance from the inner peripheral end to the groove provided most on the inner peripheral side.
Resumen de: WO2026070655A1
The present invention addresses the problem of providing a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure being capable of maintaining good electrolysis performance over a long period of time by improving adhesion between a cathode catalyst layer and a diaphragm that includes a polymer electrolyte membrane. In order to solve the problem, the present invention provides a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure comprising at least: a diaphragm that includes a polymer electrolyte; and an anode catalyst layer and a cathode catalyst layer which are disposed so as to face each other with the diaphragm being interposed therebetween. The anode catalyst layer contains elemental iridium, the cathode catalyst layer contains elemental platinum, the cathode catalyst layer additionally contains carbon black and a polymer electrolyte, the ratio (I/C) of the mass (I) of the polymer electrolyte to the mass (C) of the carbon black in the cathode catalyst layer is not less than 0.40 but less than 1.00, and the carbon black contained in the cathode catalyst layer has a volatile content of less than 1.4 mass%.
Resumen de: DE102024209677A1
Die Erfindung betrifft einen Gas-Flüssigkeitsseparator (1) zum Abscheiden von Gasen aus einem Gas-Flüssigkeitsgemisch für ein Elektrolysesystem, aufweisend einen im Querschnitt kreisrunden Grundkörper (2) mit einem Einlass (3) für das Gas-Flüssigkeitsgemisch sowie mit einem Gasauslass (4) und einem Flüssigkeitsauslass (5). Erfindungsgemäß ist der Einlass (3) für das Gas-Flüssigkeitsgemisch tangential in Bezug auf den Grundkörper (2) angeordnet und der Grundkörper (2) weist eine Temperiereinrichtung (6) auf.
Resumen de: WO2026070667A1
Provided are: an anode electrode for alkaline water electrolysis, which can be manufactured at a lower cost and in a simpler process than ever before and with which oxygen evolution overpotential at the anode electrode can be reduced; and a method for manufacturing the same. In the method for manufacturing the anode electrode for alkaline water electrolysis, the anode electrode is manufactured by forming a catalyst layer on an Fe-Ni-based alloy substrate that contains 15-85 mass% of Ni and has a thickness of 1.0 mm or less. A catalyst layer 2 is formed by a catalyst layer formation step in which the Fe-Ni-based alloy substrate is immersed in an aqueous alkaline solution and a voltage is applied thereto. The catalyst layer 2 has an oxide layer or a hydroxide layer containing 10% or more of Ni, and has a thickness of greater than 0 nm but not greater than 400 nm.
Resumen de: DE102024128389A1
Die Erfindung betrifft einen photoelektrochemischer Reaktor, mit zumindest einem Behältnis, welches zumindest teilweise mit einem Elektrolyten befüllt ist und mit zumindest einer Solarzelle zur Umwandlung auf den Reaktor auftreffender elektromagnetischer Eingangsstrahlung in elektrische Leistung, wobei die Solarzelle eine Anodenseite und eine der Anodenseite gegenüberliegende Kathodenseite und eine oder mehrere Seitenflächen aufweist, wobei an der Kathodenseite eine kathodenseitige Katalysatorschicht und an der Anodenseite eine anodenseitige Katalysatorschicht angeordnet ist und wobei die Solarzelle derart angeordnet ist, dass die kathodenseitige Katalysatorschicht und die anodenseitige Katalysatorschicht mit dem Elektrolyten in Kontakt stehen. Wesentlich ist, dass der Reaktor derart ausgebildet ist, dass eine Strahlungseinkopplung der Eingangsstrahlung in die Solarzelle im Wesentlichen durch eine oder mehrere Seitenflächen der Solarzelle, bevorzugt im Wesentlichen durch eine Seitenfläche der Solarzelle, erfolgt.
Resumen de: US20260092381A1
An electrocatalyst including a first layer, including a porous nickel foam, and a second layer, including an iron-vanadium oxide (FeVOx). The iron-vanadium oxide includes an iron oxide and a vanadium oxide. The iron-vanadium oxide contains 10 to 30 atomic percent (at. %) iron and 15 to 30 at. % vanadium based on the total number of atoms in the iron-vanadium oxide. The second layer includes iron-vanadium oxide particles having the longest dimension of 0.5 to 5 micrometers (μm). The electrocatalyst of the present disclosure may be used in oxygen evolution reactions.
Resumen de: AU2024303520A1
Methods for producing renewable hydrogen and systems related to the same are provided.
Resumen de: WO2024240599A1
The invention relates to a method for producing hydrogen by steam electrolysis, using the heat from a hot effluent (102) discharged by an industrial plant, the method comprising the following steps: - heat exchange, in a heat exchanger (106), between the hot effluent (102) and a flow of water (104) in order to produce a first flow of steam (108), - cogeneration of electricity (118) and a second flow of steam (116) by a cogeneration unit (110) supplied with the first flow of steam (108), and - electrolysis of at least part of the second flow of steam (116) in an electrolysis unit (120) powered by the electricity (118), in order to produce a hydrogen flow and an oxygen-rich flow. The invention further relates to a system (100) implementing such a method and to a plant implementing such a system.
Resumen de: EP4717716A1
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.
Resumen de: EP4717795A1
The present invention relates to an electrolyser architecture and a method for performing electrolysis. The electrolyser comprises a proton exchange membrane (PEM) and a plurality of electrodes arranged on a surface of the PEM. A microfluidic fluid channel structure is aligned with the electrodes, forming multiple channels parallel to the surface of the PEM. These channels are designed to feed water to the electrodes and are configured to collect gases produced during electrolysis above the electrodes.
Resumen de: EP4717798A2
Provided herein are methods for cleaning a diaphragm and/or membrane in an electrolysis system. For example, provided herein is a method of chemically cleaning a diaphragm and/or membrane comprising immersing the diaphragm and/or membrane in an acidic medium, immersing the diaphragm and/or membrane in a weak alkaline medium, and rinsing the diaphragm and/or membrane with deionized water. Also provided herein is a method of electrochemically cleaning a diaphragm and/or membrane comprising reversing the direction of current applied across the diaphragm and/or membrane, applying a cathodic current to the electrolyte solution, applying an anodic current to the electrolyte solution, rinsing the diaphragm and/or membrane with deionized water, and removing deposits from the electrolyte solution. Also provided herein is a method of mechanically cleaning a diaphragm and/or membrane comprising applying a voltage across the diaphragm and/or membrane that is higher than the normal operating voltage, and mechanically agitating the electrolyte solution.
Resumen de: EP4717797A2
An electrolysis system includes an electrolyzer stack having an anode side that provides an anode-side gas having a hydrogen-to-oxygen (HTO) ratio, an oxygen separator tank fluidically coupled the anode side, and an anode-side dilution system that is changeable between a closed-monitor state and an open-dilution state.
Resumen de: WO2024240830A1
The present invention relates to a method for controlling a hydrogen production installation (100), the method comprising the following successive steps: - determining a first magnitude of a nominal operating electric current (In) of at least one electrolyser (50); - measuring a second magnitude of an electric current (Imes flowing through a connection (22) between the electrolyser (50) or at least one of the electrolysers (50) and at least one photovoltaic conversion device (10); and - orienting the device (10) or at least one of the devices (10) such that the second magnitude (Imes) is less than or equal to the first magnitude (In).
Resumen de: KR20260043353A
본 발명은 수소발생반응(HER) 촉매 전극 제조방법, 이에 의해 제조된 수소발생반응(HER) 촉매 전극 및 수전해를 통해 수소를 발생시키기 위한 전기분해 장치에 관한 것이다. 스테인리스 스틸 전극을 양극산화하여 니켈을 전해질 용액으로 용출시키는 니켈용출 단계; 및 상기 전해질 용액에서 상기 양극산화된 스테인리스 스틸 전극에 전압을 인가하여 상기 양극산화를 통해 용출된 니켈 이온을 상기 양극산화된 스테인리스 스틸 전극에 전착하는 니켈재전착 단계를 포함하는, 수소발생반응(HER) 촉매 전극 제조방법을 제공한다.
Resumen de: WO2025047802A1
Provided is a junction photocatalyst exhibiting higher catalytic activity and greater freedom in molecular design than conventional junction photocatalysts. The junction photocatalyst has a solid mediator between an oxygen generating photocatalyst and a hydrogen generating photocatalyst including an organic semiconductor, wherein the hydrogen generating photocatalyst and the solid mediator are bonded together, and the oxygen generating photocatalyst and the solid mediator are bonded together.
Resumen de: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
Resumen de: AU2024308720A1
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.
Nº publicación: JP2026054606A 30/03/2026
Solicitante:
東レ株式会社
Resumen de: JP2026054606A
【課題】優れた耐熱性、耐薬品性を維持しながら、優れた親水性を有するポリアリーレンスルフィド繊維を得ることができる。【解決手段】ポリフェニレンスルフィドと、ポリフェニレンエーテル樹脂、ポリカーボネート樹脂、ポリエーテルサルホン樹脂、ポリフェニレンサルホン樹脂、ポリエーテルイミド樹脂、ポリサルホン樹脂から選ばれる少なくとも1種の熱可塑性樹脂を原料とし、前記熱可塑性樹脂の少なくとも一部が表面に露出することを特徴とする繊維。【選択図】なし