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1060
results.
Updated on
24/10/2026 [07:27:00]
Results 75 to 100 of 1060
Absstract of: WO2025119497A1
The invention relates to an electrochemical cell assembly (10) comprising an end plate (14, 18), a stack (20) comprising a plurality of cell units (22) that are stacked upon one another along a stacking direction (24), and an insulating plate (32) that is interposed between the end plate and the stack, wherein the cell units each comprise a periphery (52) and a central portion (54), wherein at least one cut-out (76) is provided in the insulating plate, said cut-out extending through the insulating plate along the stacking direction, and wherein at least one inset (78) is positioned in said cut-out such that, seen along the stacking direction, the inset and the central portion overlap each other, said inset being formed from a ceramic material.
Absstract of: EP4822060A1
0001 The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.
Absstract of: EP4821585A2
Processes and apparatus for electrocatalytically converting carbon dioxide emissions and/or ambient carbon dioxide into useful chemicals are described. The process may include: removing carbon dioxide from ambient air through a carbon capture technique, supplying a carbonate or bicarbonate aqueous solution as cathode feed to a cathode of an electrolytic cell comprising a membrane electrode assembly which includes a bipolar membrane separating an anode from the cathode, and applying an electrical potential difference between the cathode and the anode of the membrane electrode assembly to electrocatalytically reduce the carbonate or bicarbonate aqueous solution to carbon monoxide or another useful chemical.
Absstract of: WO2025068713A1
The specification describes bilayer electrolyte membrane comprising: a first layer comprising a polymer electrolyte having particles of a recombination catalyst dispersed therein; and a second layer comprising a polymer electrolyte not having any recombination catalyst dispersed therein; wherein the thickness of the bilayer electrolyte membrane is 40-60 µm; the concentration of recombination catalyst in the first layer is 1-100 µg/cm2; and the bilayer electrolyte membrane is a single coherent polymer film. Also described is a method for preparing the bilayer electrolyte membrane, a catalyst coated membrane for an electrochemical device comprising the bilayer electrolyte membrane, and a fuel cell comprising the catalyst coated membrane.
Absstract of: JP2026162874A
【課題】優れた触媒性能と触媒粒子の分散性を両立した触媒インクを作製することができるスラリーを提供すること。【解決手段】ここに開示される技術は、触媒粒子と、水溶性有機溶剤と、を含むアニオン交換膜型水電解装置用の触媒インクの作製に用いられるスラリーに関する。上記触媒粒子は、ニッケル粒子と、該ニッケル粒子の表面に付着した分散剤と、を備え、上記分散剤の水‐オクタノール分配係数は２．５以上８以下であり、上記触媒粒子の表面から深さ方向に、ＳｉＯ２換算でのスパッタ深さ３．３ｎｍまでＸ線光電子分光法による測定を行ったとき、上記スパッタ深さ３．３ｎｍにおける、Ｃ原子とＯ原子とＮｉ原子の合計に対するＣ原子濃度が２２ａｔ％以上５５ａｔ％以下である。【選択図】図１
Absstract of: JP2026164588A
0001 【要約】 【課題】水素化マグネシウムと塩化マグネシウム水溶液との反応でクロロマグネシウムプラズマを生産する方法において、水酸化マグネシウムが晶出しないようにする方法を提供する。 【解決手段】水素化マグネシウムと塩化マグネシウム水溶液との反応で水酸化マグネシウムが晶出しないように、塩化マグネシウム水溶液にクエン酸或いはグルコン酸と云ったハイドロオキシカルボン酸を使用した、塩化マグネシウム水溶液から製造したクロロマグネシウムプラズマを安全に増産する方法が提供される。 【選択図】なし
Absstract of: JP2026164197A
【課題】浄水器の劣化をおさえながら、水電解用の水を冷却および浄化し、十分な量を水電解セルに供給すること。【解決手段】水電解装置は、水電解反応により水素および酸素を生成する水電解セルと、前記水電解セルで使用された水を貯蔵する水タンクと、前記水タンクに接続され前記水タンクから供給された水を冷却する熱交換器と、前記熱交換器に接続され前記熱交換器で冷却された水を浄化する浄水器と、前記水タンクから供給された水が前記水電解セルを介して前記水タンクに流れる第１水回路と、前記水タンクから供給された水が前記熱交換器および前記浄水器を介して前記水タンクに流れる第２水回路と、を備える。【選択図】図１
Absstract of: WO2025179506A1
The present disclosure relates to an electrode separator unit, a preparation method, an electrolytic cell unit, and a device for hydrogen production from a renewable energy. The electrode separator unit of the present disclosure comprises a membrane electrode assembly arranged in a center area of the electrode separator unit and comprises a sealing frame arranged around the outer peripheral wall of the membrane electrode assembly, wherein the inner peripheral wall of the sealing frame is fixedly connected to the outer peripheral wall of the membrane electrode assembly by means of material connection. In the solution of the present disclosure, by using the sealing frame and fixedly connecting the inner peripheral wall of the sealing frame to the outer peripheral wall of the membrane electrode assembly by means of material connection, no gaps generated by traditional packaging are present in the electrode separator unit. In addition, the contact area between the sealing frame and an adjacent functional component during fixed connection is increased, so that the clamping force for packaging an electrolytic cell device is more concentrated, and thus the sealing effect of the electrode separator unit is firmer, thereby further improving the hydrogen production efficiency. In addition, the present disclosure further reduces the number of parts, reduces the production cost, and improves the production efficiency.
Absstract of: JP2026163585A
【課題】接合体の耐久性を向上させるろう材を提供すること。耐久性が向上した接合体を提供すること【解決手段】ろう材は、９５重量％以上９９．９重量％以下の銀（Ａｇ）と、０．１重量％以上５重量％以下のスズ（Ｓｎ）と、任意成分として０重量％以上３重量％以下のクロム（Ｃｒ）と、残部が不可避不純物と、からなる。スズ（Ｓｎ）の含有量は、１．０重量％以上であってもよい。上記ろう材は、大気ろう付において用いられてもよい。接合体は、金属材料およびセラミック材料のうちの１つを含む第１部材と、上記ろう材を用いて第１部材と接合される第２部材と、を含む。【選択図】図１
Absstract of: EP4640623A1
0001 The invention relates to a process (100) for producing a hydrogen product (81) from an endothermic cracking reaction of an ammonia feed (4), comprising the following steps: - providing (S10) the ammonia feed to a cracking unit (210), - in said cracking unit, performing (S20) the endothermic cracking reaction of the ammonia feed, thereby producing a cracked gas (80) containing hydrogen (81), nitrogen (82) and unconverted ammonia (83), - in said cracking unit, combusting the separated unconverted ammonia in a combustion step (S40) to provide heat to the endothermic cracking reaction, - reducing (S50) a cracking temperature (Tc) of the endothermic cracking reaction, thus increasing the amount of unconverted ammonia in the cracked gas and to be combusted to provide heat to the endothermic cracking reaction, - controlling (S60) the flow of the ammonia feed directed to the cracking unit to produce a desired amount of hydrogen product (Psp).
Absstract of: WO2022138910A1
This hydrocarbon production method comprises a first production step of using carbon dioxide contained in a source material gas to produce carbon monoxide, and a second production step of using hydrogen and carbon monoxide contained in a source material gas to produce a hydrocarbon. Each of the source material gases contains at least one among carbon dioxide, carbon monoxide, and hydrogen, which are not from fossil fuel origin.
Absstract of: JP2026162522A
【課題】流動状態の安定化が可能であり、かつ小型化が可能な流体処理システム及びその設計方法を提供する。【解決手段】本発明によれば、流体処理システムであって、処理槽と、生成物ヘッダー配管と、生成物枝配管と、気液分離器とを備え、前記処理槽は、気体生成物を生成するように構成され、前記生成物枝配管は、前記処理槽から排出される前記気体生成物と、液体とを含む気液混相体を、前記生成物ヘッダー配管へ流通可能に構成され、前記生成物ヘッダー配管は、前記生成物枝配管から導入された気液混相体を、前記気液分離器へ流通させるように構成され、前記気液分離器は、前記生成物ヘッダー配管から導入された気液混相体を、気体成分と液体成分とに分離可能に構成され、前記生成物ヘッダー配管は、前記気液分離器に接続される第１端部を有し、少なくとも一部に前記気液分離器に向かって下る勾配が設けられる、流体処理システムが提供される。【選択図】図３
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: 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: 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: 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: 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: 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.
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.
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: 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: WO2026211282A1
Provided is a steam electrolysis apparatus capable of heating a cell stack so as to have a desired temperature distribution. The steam electrolysis apparatus includes: a cell stack group (101G) in which electrolysis cells composed of a hydrogen electrode, an electrolyte, and an oxygen electrode are electrically connected via an interconnector; and a heating tube (3) that heats the cell stack group (101G). A portion of the heating tube (3) is heated by a high-temperature heat medium and the other portion is heated by a heat medium having a lower temperature than the high-temperature heat medium so as to approach a target temperature distribution (T1) that is a target of the cell stack group (101G).
Nº publicación: DE102025113543A1 08/10/2026
Applicant:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG
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.
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