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METHOD FOR STANDBY OF AN ELECTROLYSIS SYSTEM, CONTROL DEVICE AND ELECTROLYSIS SYSTEM

Resumen de: WO2026185409A1

The invention relates to a method for standby of an electrolysis system (400, 600). The electrolysis system comprises an electrolysis unit (1) and an oxygen gas separator (2) for separating oxygen gas and electrolyte, and the electrolysis unit (1) is connected to a power connection point (4) for an energy supply (E) for electrolysis in the electrolysis unit (1). The method comprises: lowering the hydrogen content (g(H2)) in the oxygen gas separator (2) in response to a signal for interrupting the electrolysis if a first threshold value (c1(H2), cMi_1(H2)) of a hydrogen gas content in the oxygen gas separator is exceeded, if a first threshold value of an oxygen gas content (c1(O2), cMi_1(O2)) in the oxygen gas separator is not met, if a predetermined first time (t1) is reached, if a first threshold value (r1, rMi_1) for a ratio (c(H2)/c(O2)) of hydrogen gas content to oxygen gas content is exceeded, and/or if a first threshold value (1/r1, 1/rMi_1) for a ratio (c(O2)/c(H2)) of oxygen gas content to hydrogen gas content is not met; and subsequently interrupting the electrolysis of the electrolysis unit (1). The invention also relates to a control device and to an electrolysis system.

Method of Producing Hydrogen From Water Using Renewable Energy

Resumen de: US20260265927A1

0000 A method for producing hydrogen gas (H<2>) from dioxytetrahydride gas (H<4>O<2>). Dioxytetrahydride gas is prepared by forming a reaction media having an aqueous electrochemical solution comprising one or more alkaline salts; placing the reaction media into a receptacle of an apparatus having a power supply and producing a magnetic field in a reaction zone via a direct electric current; collecting the dioxytetrahydride gas formed in the reaction zone after exposure to the magnetic field; infusing the collected dioxytetrahydride gas into a molecular sieve; separating hydrogen atoms from oxygen atoms in the molecular sieve; forming hydrogen gas spontaneously from the hydrogen atoms; and collecting the hydrogen gas from the molecular sieve. Significantly less energy and expense are required to produce hydrogen gas by this method compared to existing methods for producing hydrogen gas.

PROCESS FOR THE PRODUCTION OF CLIMATE-POSITIVE SPONGE IRON / STEEL

Resumen de: WO2026185334A1

In a process for the reduction of iron oxides comprising a DRI-process, wherein the DRI- process comprises processing iron, in particular iron ore, by H2 and CO in a process chamber in order to reduce the iron oxide to sponge iron, wherein the CO for use in the DRI-process is formed from CO2, at least a part of, in particular at least 90%, preferably 100% of the CO2 being obtained from a DAC process, whereby at least a part, in particular at least 90%, preferably 100% of carbon originating from the CO2 is stored permanently in the sponge iron.

ELECTROCATALYST COMPOSITIONS FOR ELECTROCHEMICAL LIQUID ORGANIC HYDROGEN CARRIER DEHYDROGENATION

Resumen de: WO2026183637A1

There is provided an electrocatalytic material for dehydrogenation of a hydrogen-rich liquid organic hydrogen carrier, and an electrochemical cell which includes the electrocatalytic material for effectuating the dehydrogenation.

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.

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

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.

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.

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.

ELECTROLYZER AND METHOD FOR MANUFACTURING THE SAME, AND ELECTROLYZER MODULE

Resumen de: EP4803667A1

An electrolyzer, a method for manufacturing the electrolyzer, and an electrolyzer module are provided, relating to the field of electrolyzers. The electrolyzer includes: a frame defining an inner cavity and including a top frame, a bottom frame, a first frame, and a second frame; a bipolar plate connected to the frame and dividing the inner cavity into an anode chamber and a cathode chamber; a first collection frame, located within the anode chamber and fixed to an end of the bipolar plate near the top frame, and defining a first cavity together with the bipolar plate; an anode mesh, located on a side of the first collection frame away from the bipolar plate; a second collection frame, located within the cathode chamber and fixed to an end of the bipolar plate near the top frame, and defining a second cavity together with the bipolar plate; a cathode mesh, located on a side of the second collection frame away from the bipolar plate. The first frame and the second frame each have a hollow chamber. One of the first frame and the second frame has a first discharge port formed on an inner wall facing the anode chamber, and the other of the first frame and the second frame has a second discharge port formed on an inner wall facing the cathode chamber, the first discharge port being in communication with the first cavity, and the second discharge port being in communication with the second cavity. This is at least advantageous in improving electrolysis efficiency of the electrolyze

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.

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: 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.

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).

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.

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.

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

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

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

ENERGY PRODUCTION AND STORAGE SYSTEM

Resumen de: WO2025093251A1

An energy production and storage system comprises a power input connection (10) for a renewable energy source (2); an electrolysis device (16) for electrolysis of water to produce oxygen, hydrogen, and heat; an electrical energy storage device (14); a two-way grid connection (12) coupled to an external electrical grid (4); and a controller (8). The controller (8) is configured to: (i) receive information relating to: actual or potential energy production from the renewable energy source (2), the amount of stored energy in the electrical energy storage device (14), and balancing requirements for the external electrical grid (4); (ii) use the energy from the renewable energy source (2) to power the electrolysis device (16) and/or for storage in the energy storage device (14); and (iii) based on the received information, operate the energy production and storage system as a balancing service provider by either: drawing power from the grid (4) to supply the electrolysis device (16), or supplying power to the grid (4) from the electrical energy storage device (14), thereby acting as a switch to aid in balancing for the external electrical grid (4).

一种改进的以二氧化碳电解操作固体氧化物电解池的方法

Resumen de: CA3201278A1

The present invention regards a method for converting carbon dioxide into carbon monoxide in high-temperature, dry, solid oxide electrolysis providing increased lifetime of SOECs and SOEC stacks by addressing the problem of coking, while simultaneously ensuring highest possible CO production from each cell or stack.

质子交换膜电解槽的电解室及质子交换膜电解槽

Nº publicación: CN122707157A 08/09/2026

Solicitante:

阳光氢能科技有限公司

Resumen de: CN122707157A

本申请提出了质子交换膜电解槽的电解室及质子交换膜电解槽，质子交换膜电解槽的电解室包括：依次层叠设置的双极板、密封胶线、阳极扩散层、质子交换膜组件、阴极扩散层、密封胶线和双极板；双极板朝向质子交换膜组件的一侧设置有凹槽；密封胶线朝向凹槽底部的一侧具有第一斜面，凹槽底部设置有增压部，增压部朝向密封胶线的一侧具有第二斜面，第二斜面与第一斜面相贴合。本申请的质子交换膜电解槽的电解室中密封胶线与双极板之间的摩擦力大，从而提高了电解槽的耐压等级，确保密封胶线在不同环境中均具有良好的密封效果，使得电解槽能够承受高达7MPa的压力，从而提升了制氢效率和安全性。