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SYSTEM AND METHOD FOR PRODUCTION OF ELECTRICTY USING AN ELECTROLYSIS APPARATUS

Resumen de: US20260265932A1

0000 An electrolysis apparatus is presented. Anode and cathode catalysts or carbon electrodes are submerged in saltwater in a basin with the goal of extracting hydrogen gas, which is a renewable source of energy. The basin is metallic and includes rubber on the outside of the basin to handle high temperatures. A battery connected to the basin serves as a power supply and provides direct electric current to cause the breakdown of the element via electricity to produce hydrogen gas and direct the hydrogen gas to other items as a source of electricity.

Membran für eine Wasserelektrolysezelle sowie Verfahren zu deren Beschichtung

Resumen de: DE102025108217A1

Die vorliegende Erfindung betrifft zunächst ein Verfahren zum Beschichten einer Membran (01) einer Wasserelektrolysezelle mit einer Rekombinationskatalysatorschicht (02). Die Rekombinationskatalysatorschicht (02) dient zum Katalysieren einer Rekombinationsreaktion von Sauerstoff und Wasserstoff und soll die Bildung eines explosiven Gemisches in der Wasserelektrolysezelle verhindern. In einem Schritt des Verfahrens wird eine ein Polymer umfassende Membran (01) für eine Wasserelektrolysezelle bereitgestellt. Zudem wird eine wässrige Lösung eines Platinsalzes bereitgestellt. Die wässrige Lösung des Platinsalzes wird in eine Dispersion einer Perfluorsulfonsäure eingemischt, wodurch Platinkationen des Platinsalzes an Anionen der Perfluorsulfonsäure gebunden werden und platinhaltige Partikel (04) in der Dispersion bilden. Die die platinhaltigen Partikel (04) enthaltende Dispersion wird auf die Membran (01) aufgetragen. Die auf die Membran (01) aufgetragene die platinhaltigen Partikel (04) enthaltende Dispersion wird erwärmt, wodurch Wasser abgedampft wird und die platinhaltigen Partikel (04) zu einer laminatartigen Beschichtung (02) auf der Membran (01) gewandelt werden. Weiterhin betrifft die Erfindung eine Membran (01) für eine Wasserelektrolysezelle.

ANION CONDUCTIVE FILM-CATALYST LAYER ASSEMBLY, METHOD FOR PRODUCING ANION CONDUCTIVE FILM-CATALYST LAYER ASSEMBLY, AND WATER ELECTROLYSIS CELL

Resumen de: WO2026186535A1

The present invention pertains to an anion conductive film-catalyst layer assembly comprising a porous substrate, an anion conductive film that is disposed at least in pores of the porous substrate and that contains a water-insoluble polymer having an unsubstituted polyethylene-oxy structure, and a catalyst layer that is disposed in contact with at least one surface of the anion conductive film and that contains an oxygen generation catalyst or a hydrogen generation catalyst for use in water electrolysis. The average value (Tave), the maximum value (Tmax), and the minimum value (Tmin) of the thickness of the catalyst layer satisfy formula 1: 1/2Tmax < Tave and formula 2: 2Tmin > Tave. The present invention also pertains to: a method for producing the anion conductive film-catalyst layer assembly; and a water electrolysis cell.

METAL PHOSPHIDE-GRAPHENE AEROGEL CATALYST FOR HYDROLYSIS OF AMMONIA BORANE, METHOD FOR PREPARING THE SAME, AND HYDROGEN PRODUCTION SYSTEM FOR HYDROLYSIS OF AMMONIA BORANE COMPRISING THE SAME

Resumen de: US20260264069A1

A metal phosphide-graphene aerogel catalyst for hydrolysis of ammonia borane, including: a graphene aerogel in a three-dimensional porous structure, and metal phosphide nanoparticles, which are spherical with an average particle size of 3-100 nm, uniformly deposited on the graphene aerogel, and include a phosphorus element and a transition metal element. The transition metal element may be cobalt, nickel, iron, zinc, titanium, vanadium, chromium, manganese, copper, or any combination thereof. A method for preparing the metal phosphide-graphene aerogel catalyst, includes: preparing the graphene aerogel by performing a hydrothermal process on a graphene oxide and a reducing agent; preparing an electrolyte, including a phosphorus-containing compound, a transition metal compound, disodium citrate, boric acid, and deionized water in a mass ratio of (1-2):(1-2):(2-4):(1-2):(90-95); and electro-depositing the metal phosphide onto the graphene aerogel. A hydrogen production system for hydrolysis of ammonia borane including the same catalyst is also provided.

ELECTROLYZER CELL

Resumen de: WO2026185723A1

An electrolyzer cell is disclosed, which comprises two frame parts (10) mechanically coupled to each other and having respective central openings (24), which define an active chamber of the cell. The frame parts (10) are identical to each other and are made of plastic material, in particular thermoplastic material, so that they can be manufactured using the same moulding tool, thereby reducing the manufacturing costs.

INNOVATIVE SYSTEM FOR THE SUPPLY OF HYDROGEN

Resumen de: WO2026185691A1

The present invention relates to a system for making hydrogen available by dissociating the water molecule via optimized electrolysis, in order to achieve an efficient, safe and environmentally sustainable process, which can be configured to be incorporated or integrated into all internal combustion apparatus/systems, including hybrid systems, for land, sea, air and/or space transport, or in plants for the 'production' of thermal or electrical energy. The invention also provides an innovative method for supplying hydrogen from water, and a method involving the use of the system object of the invention.

AQUEOUS FUEL COMPOSITION WITH METAL BOROHYDRIDE AND METHOD FOR HYDROGEN EXTRACTION AND USES OF METAL BORATE AND METAL BOROHYDRIDE

Resumen de: WO2026187231A1

The present invention relates to an aqueous fuel composition for use in hydrogen extraction, said fuel composition comprising a metal borohydride and an aqueous liquid having a pH in the range of between 7 and 14, said aqueous liquid comprising water and a stabilizer being a metal borate. Moreover, the present invention relates to a method for hydrogen extraction comprising bringing the aqueous fuel composition according to any one of preceding claims into contact with at least one catalyst in an extraction reactor to yield gaseous hydrogen and an aqueous spent fuel comprising water and metal borate, wherein at least part of said aqueous spent fuel is recycled back into the aqueous fuel composition. In addition, the invention relates to a use of a metal borate as a stabilizer in an aqueous fuel composition comprising a metal borohydride and to a use a metal borohydride to decrease the solubility of a metal borate in an aqueous liquid.

CATALYST INK, MEMBRANE-CATALYST LAYER ASSEMBLY, CELL STACK, AND METHOD FOR PRODUCING MEMBRANE-CATALYST LAYER ASSEMBLY

Resumen de: WO2026186219A1

This catalyst ink for forming an anode catalyst layer (61) on an anion exchange membrane (51) contains a solvent, an electrolyte, and a catalyst. The mass ratio of the electrolyte to the catalyst is 0.07-0.3. Thus, the anode catalyst layer (61) can be satisfactorily formed on the anion exchange membrane (51).

電解槽

Resumen de: TW202503118A

The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5") are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5") comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5") comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).

耳部水素供給システム

Resumen de: JP2026144910A

0001 【課題】水素を耳の内部に供給し耳部の健康を増進するシステムを提供する。 【解決手段】本発明は、水素発生装置で発生した水素を耳内に供給することを特徴とする水素発生装置を含む耳部水素供給システムであり、水素発生装置、耳にあてることが可能な開口部を有する耳あてマスク、および前記水素発生装置と前記耳あてマスクを接続し、および前記水素発生装置から出る水素を前記耳あてマスクへ供給する水素供給管を有し、前記耳あてマスクの開口部を耳にあてたときに前記耳あてマスクの開口部側に前記耳あてマスクと頭部および顔部で作る閉空間を有し、前記閉空間に前記マスクへ供給された水素が入り、さらに当該水素が耳の穴から耳内に入ることを特徴とする。 【選択図】図１

ELECTRODE CATALYST LAYER, INK, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND ORGANIC HYDRIDE ELECTROLYTIC SYNTHESIS DEVICE

Resumen de: EP4803670A1

0001 An electrode catalyst layer comprises a catalyst, a proton-conductive or anion-conductive polymer electrolyte, and a polymeric fibrous material having a functional group capable of forming a hydrogen bond.

ルテニウム含有担持触媒を用いて水素を製造するための方法

Resumen de: WO2025056228A1

The present invention relates to a process for producing hydrogen from an ammonia-containing gas with a supported catalyst in the form of a ruthenium-endowed support body, and to the use of such a ruthenium-containing supported catalyst in a process for producing hydrogen. The process comprises the providing of a supported catalyst in the form of a ruthenium-endowed support body, wherein the support body comprises a refractory oxide as support material, is cylindrical and has at least three mutually spaced-apart channels that extend fully through the support body, where one of the channels extends along a central longitudinal axis.

AIR ELECTRODE OF SOLID OXIDE ELECTROLYTIC CELL AND USE THEREOF

Resumen de: EP4803668A1

Provided is a technique capable of suppressing occurrence of cracking in an air electrode and separation at the interface between the air electrode and a solid electrolyte layer during use of a solid oxide electrolysis cell. The air electrode of the solid oxide electrolysis cell is an air electrode containing a complex oxide having a perovskite structure. In a cross section of the air electrode, the standard deviation among measurements of each element atomic concentration of the complex oxide at 10 spots in one field of vision, the measurements being obtained by means of energy-dispersive X-ray spectroscopy, is 13.5 or less.

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025093133A1

The invention relates to an electrochemical cell assembly, comprising a stack of cell units, wherein each cell unit has a periphery and a central portion surrounded by the periphery, the periphery has a first flange portion (90-1) and an opposite second flange portion (90-2), the flange portions of adjacent cell units overlie one another and are separated by a gap (88-1, 88-2), wherein between two adjacent cell units, there is provided a fluid flow path comprising an inner flow path between the central portions of adjacent cell units and an outer flow through said gaps, and a flow restriction device (112) comprising at least one flow restriction member (114-1, 114-2), said flow restriction device being configured to reduce or prevent fluid flow along the outer flow path.

ALKALINE ELECTROLYSER AND A METHOD FOR ITS OPERATION

Resumen de: WO2025093091A1

An alkaline electrolyzer comprising a stack (17) of electrolytic cells (1) for producing hydrogen gas (8). Each of the cathode compartments (5) comprises a cathode gas outlet (23A) into a cathode electrolyte return conduit (28), the downstream end (41) of which is connected to a hydrogen purifier (33) configured for providing purified hydrogen gas by removing oxygen from the gas received from the cathode electrolyte return conduit (28). A cathode gas recirculation system (38) connects a downstream end of the hydrogen purifier (32, 33) to an upstream end (40) of the cathode electrolyte return conduit (28) for supplying purified hydrogen gas to the cathode electrolyte return conduit (28). Each of the anode compartments (6) comprises an anode gas outlet (23B) into an anode electrolyte return conduit (28), the downstream end (41) of which is connected to an oxygen purifier (33) which removes hydrogen from the gas coming from the anode electrolyte return conduit (28). An anode gas recirculation system (38) connects a downstream end (41) of the oxygen purifier (33) to an upstream end (40) of the anode electrolyte return conduit (28) for supplying purified oxygen gas to the anode electrolyte return conduit (28). Hereby the electrolyzer can be operated at part load, for example below 10% of the nominal load.

ELECTROCHEMICAL CELL ASSEMBLY

Resumen de: WO2025093132A1

The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.

AIR ELECTRODE FOR SOLID OXIDE ELECTROLYZER, AND USE THEREOF

Resumen de: EP4803669A1

0001 Provided is a technique capable of suppressing occurrence of cracking in an air electrode and separation at the interface between the air electrode and a solid electrolyte layer during use of a solid oxide electrolysis cell. The air electrode of the solid oxide electrolysis cell is an air electrode containing a complex oxide having a perovskite structure and contains P at 1 ppm or greater and 500 ppm or less, Cr at 1 ppm or greater and 500 ppm or less, B at 1 ppm or greater and 500 ppm or less, and Si at 1 ppm or greater and 500 ppm or less with respect to the entire mass of the complex oxide.

GEOTHERMALLY DRIVEN AMMONIA PRODUCTION

Resumen de: US20250136457A1

0000 Apparatus, system, and method for geothermally driven ammonia production. Hydrogen is generated using energy obtained from the underground magma reservoir and nitrogen is captured from air using the energy obtained from the underground magma reservoir. At least a portion of the generated hydrogen is combined with at least a portion of the generated nitrogen and heated at least to a reaction temperature using the energy obtained from the underground magma reservoir. The heated hydrogen contacts the heated nitrogen for a residence time to form the ammonia.

水電解槽用複合隔膜

Resumen de: WO2025040149A1

Disclosed in the present invention is a composite membrane for a water electrolysis cell. The composite membrane contains non-woven fabric and polymer resin, the polymer resin being present in one or two sides of the non-woven fabric and partially or completely permeating into the non-woven fabric structure, the non-woven fabric accounting for 20-95% of the weight of the composite membrane, the thickness of the non-woven fabric being 0.20-2.00 mm, the gram weight thereof being 100-400 g/m2, and the density thereof being 0.20-0.50 g/cm3. The composite membrane for a water electrolysis cell of the present invention has the characteristics of high air impermeability, low resistance and high service durability in alkali liquor environments.

HYDROGEN PRODUCTION SYSTEM WITH AUTOMATIC ELECTROLYTE SUBSTITUTION AND RELATED METHOD OF AUTOMATIC ELECTROLYTE SUBSTITUTION

Resumen de: EP4803666A1

The present invention relates to a hydrogen production system (1). The system (1) comprises an electrolyser (10), equipped with an internal tank (101), adapted to produce hydrogen from the electrolysis of water, and a water distribution pipe (62) adapted to connect the internal tank (101) of the electrolyser (10) to a water source (50).Advantageously, the system also comprises an electrolyte tank (20) adapted to contain a quantity of electrolyte equal to or greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10), and a waste tank (30) adapted to contain a quantity of fluid greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10). Furthermore, the system comprises an electrolyte distribution pipe (63) adapted to connect the internal tank (101) of the electrolyser (10) to the electrolyte tank (20), a drain pipe (64) adapted to connect the internal tank (101) of the electrolyser (10) to the waste tank (30), and a water control valve (71) adapted to regulate the flow of fluid in the water distribution pipe (62), an electrolyte control valve (72) adapted to regulate the flow of fluid in the electrolyte distribution pipe (63), and a control valve (73) adapted to regulate the flow of fluid in the drain pipe (64). Finally, the system comprises a control unit (40) connected to the electrolyser (10) and the valves (71-73) to control its operation. In particular, the electrolyser (10) measures a

HYDROGEN-DRIVEN DEVICE FOR GENERATING HEAT AND CORRESPONDING METHOD

Resumen de: EP4803822A1

0001 Die vorliegende Erfindung betrifft eine Vorrichtung zur Wärmeerzeugung sowie ein dazugehöriges Verfahren und ein Computerprogramm, wobei durch eine Einlassöffnung ein Wasserstoff (H<2>)-Gasgemisch in mindestens einen Reaktionsraum geleitet wird, wobei der Reaktionsraum in Verbindung mit einem Impulszünder steht, welcher eine Initialzündung des Gasgemisches im Reaktionsraumes erzeugt, der dabei entstehende Wasserdampf wird über mindestens eine Auslassöffnung aus dem Reaktionsraum in ein Dampfrohr geführt, in dem der Wasserdampf kondensiert, wobei das Dampfrohr derart ausgebildet ist, dass es eine Kurve bildet und parallel zum Reaktionsraum zurückgeführt wird, wodurch das darin gebildete Wasser zur Aufrechterhaltung der Reaktion im Reaktionsraum und/oder zur Wiederverwendung in einem Elektrolyseprozess verwendet werden kann.

ELECTROLYSIS STACK CONFIGURATION HAVING INTERNAL STRAY CURRENT INHIBITION

Resumen de: EP4803660A1

A gas inlet conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-separated stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a hydrogen-side pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a hydrogen-side heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side pump (30) in fluid communication with an oxygen-side phase separator (32) in fluid communication with an oxygen-side heat exchanger (34) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.

ELECTROLYSIS STACK CONFIGURATION HAVING INTERNAL STRAY CURRENT INHIBITION

Resumen de: EP4803659A1

0001 A gas conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-mixed stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side (16) having a pump (20) in fluid communication with an oxygen-side phase separator (32) in fluid communication with the heat exchanger (24) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.

ADVANCED RECTIFIER CONTROLS FOR IMPROVED FAULT RIDE THROUGH IN ELECTROLYSIS SYSTEMS

Resumen de: EP4804378A1

0001 The invention is about a method for controlling an electrolysis system (1) comprising a transformer unit (2), rectifier units (3) operating in parallel, and electrolysis module rows (4) with hydrogen and oxygen sides (5, 6) connected at DC sides (7) of the rectifier units (3), the method comprising: - detecting a Fault Ride Through event; and - adjusting the ramp-up rate of a DC current considering a current position of control valves (8) on the hydrogen and oxygen sides (5, 6).

水電解装置

Nº publicación: JP2026144223A 09/09/2026

Solicitante:

三菱重工業株式会社

Resumen de: JP2026144223A

【課題】電解時間が経過しても電解性能の劣化を防ぐ。【解決手段】本開示に係る水電解装置は、アルカリ水溶液である電解液が供給される水電解セルと、電解液が貯留される酸素ガス用気液分離装置と、酸素ガス用気液分離装置と水電解セルの正極側とを接続し、酸素ガス用気液分離装置から水電解セルの正極側に向けて電解液が流れる配管である電解液供給ラインと、を有し、電解液供給ラインは、酸素ガス用気液分離装置との接続箇所から水電解セルの正極側との接続箇所までの少なくとも一部の区間において、耐アルカリ性を有する耐アルカリ層が内面に形成されている。【選択図】図２