Alerta

PART COATED WITH A CARBON-BASED LAYER

Resumen de: US20260269280A1

A part includes comprising a metal substrate and a layer of amorphous carbon-based material having sp2 hybridised bonds and sp3 hybridised bonds. The layer has a first content of sp3 hybridised bonds on the substrate side, anda second content of sp3 hybridised bonds on the side of an external surface of the layer,the first content being greater than the second content.An average content within the layer of sp3 hybridised bonds is between 5% and 65%and in that the content of sp3 hybridised bonds evolves continuously within the layer.

HYDROGEN-PRODUCTION PLANT

Resumen de: WO2026185069A1

The invention relates to a hydrogen-production plant (10), comprising: a plurality of electrolysis devices (11) which are designed to generate hydrogen from water with the aid of electrical current, wherein oxygen is produced during the generation of the hydrogen; a water circuit (13) which is designed to supply water to the electrolysis devices and to remove water and oxygen from the same, wherein the water circuit (13) has a water storage container (17) from which water can be supplied to the electrolysis devices, wherein the water circuit (13) has a pump (16) which is designed to convey the water from the water storage container (17) towards the electrolysis devices, wherein the water circuit (13) has an oxygen separator (18) which is designed to separate oxygen from the water discharged by the electrolysis devices upstream of the water storage container (17). The oxygen separator (18) has at least one first, horizontally extending separation tube (19) to which water and oxygen can be supplied from the electrolysis devices, wherein from a first end (19a) of the respective first, horizontally extending separation tube (19), water can be conducted towards the water storage container (17), and wherein, from a second end (19b) of the respective first, horizontally extending separating tube (19), oxygen can be conducted towards an oxygen outlet (20).

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.

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.

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.

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

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).

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).

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.

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.

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

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.

用于从C1底物生产蛋白质，食品和有用副产品的微生物和人工生态系统

Resumen de: US20250059653A1

0000 Microorganisms and bioprocesses are provided that convert gaseous C1 containing substrates, such as syngas, producer gas, and renewable H<2 >combined with CO<2>, into nutritional and other useful bioproducts.

水素製造用電解装置

Resumen de: WO2025045641A1

The present invention refers to an electrolyser (1) for the production of hydrogen from an alkaline electrolyte. The electrolyser (1) comprises a first header (2) and a second header (3) between which a plurality of elementary cells (4) and a plurality of bipolar plates (5) are stacked. Each bipolar plate (5) separates two adjacent elementary cells. The electrolyser (1) further comprises a plurality of clamping elements (20) that mechanically connect said headers (2, 3). Each of the elementary cells (4) comprises a frame (6) defining a chamber (6A), having an anodic section and a cathodic section, in which an anodic electrode (7) and a cathodic electrode (8) are at least in part housed. Each of the elementary cells (4) further comprise a separator element (10) that separates the anodic section from the cathodic section. According to the invention, each of the frames (6) comprises first through holes (61) and each of the bipolar plates (5) comprises second through holes (51), wherein each of said first through holes (61) of one frame (6) is mutually aligned with a corresponding first through holes (61) of each of the another frames (6) and with one of said second through holes (51) of each bipolar plate (5), wherein each one of said clamping means (20) extends through said through holes (51, 61) mutually aligned.

HYDROGEN PRODUTION FROM AMMONIA BY AUTOTHERMAL CRACKING

Resumen de: WO2026180519A1

Process and plant for the production of a product gas containing nitrogen and hydrogen from ammonia, the process comprising the steps of: i) pre-cracking an ammonia feed stream to a pre-cracked process gas containing hydrogen, nitrogen, ammonia by contact with a first ammonia cracking catalyst; ii-1) non-catalytic partial oxidation of the pre-cracked process gas with an oxygen containing gas to a process gas containing nitrogen, water, nitrogen oxides and residual amounts of ammonia; ii-2) cracking of at least a part of the residual amounts of ammonia to hydrogen and nitrogen in the process gas by contact with a second ammonia cracking catalyst and simultaneously reducing the amounts of nitrogen oxides to nitrogen and water by reaction with at least a portion of the hydrogen formed during at least the pre-cracking of the ammonia feed stream, thereby producing said product gas containing nitrogen and hydrogen; iii) withdrawing the product gas. The product gas is purified downstream to a hydrogen product.

HYDROGEN SUPPLY DEVICE

Resumen de: WO2026182019A1

The present invention provides an electrolytic hydrogen supply device to be attached to at least one side of goggles. A hydrogen supply device according to the present invention comprises: an electrolytic cell in which a pair of positive and negative electrodes are disposed in the vertical direction and which is capable of storing electrolytic water; and an electrolytic cell receiving section which has a recess that opens from the bottom toward the outside of the side of the goggles, and which is configured to insert and fix the electrolytic cell in the recess from the outside toward the inside to the bottom. The electrolytic cell has a pair of front and rear sealing members in the inward and outward directions for sealing the inner wall of the electrolytic cell receiving section and the outer wall of the electrolytic cell, and has, above the electrolytic cell, a reserve tank space formed in a gap between the outer wall of the electrolytic cell and the inner wall of the electrolytic cell receiving section between the front and rear sealing members, and a first gas film that allows a gas containing hydrogen and water vapor in the electrolytic cell to pass through and be released into the reserve tank space.

INERT GAS INJECTION FOR ELECTROLYSIS

Resumen de: US20260258558A1

0000 A method to generate hydrogen gas comprises circulating an electrolyte through an electrolyte circuit including an electrochemical cell comprising an anode and a cathode, wherein hydroxide ions in the electrolyte are oxidized at the anode to produce oxygen gas and water in the electrolyte is reduced at the cathode to produce hydrogen gas. The method further includes introducing an inert gas into the electrolyte circuit to dilute a gas phase of the electrolyte circuit.

WATER ELECTROLYSIS APPARATUS

Resumen de: WO2026181397A1

A water electrolysis apparatus (100) comprises: a catalyst (52) that is disposed outside an oxygen gas-liquid separator (4) and reduces hydrogen mixed into oxygen; and an oxygen circulation line (6) in which a blower (61) is disposed and which returns oxygen that has passed through the catalyst (52) to the oxygen gas-liquid separator (4).

SPECTRALLY ENGINEERED SOLAR HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2026182942A1

A solar-driven opto-electrolysis hydrogen production system configured to convert light and water into hydrogen is disclosed. The system includes a solar radiation collection assembly, an optical transmission network, and one or more opto-electrolysis light rods positioned within a reactor containing water. Each light rod includes an inner optical core, a cladding, and a porous layer comprising photocatalytic centers configured to generate hydrogen upon illumination. The inner optical core contains spectral conversion additives that modify incident solar radiation such that emitted wavelengths overlap an absorption band of the photocatalytic centers. In certain embodiments, the porous layer comprises a monolithic porous structure formed around the cladding with pore characteristics selected to permit diffusion of water and removal of evolved hydrogen. A plurality of light rods may be arranged in an array to enable scalable hydrogen production.

HYDROGEN GENERATION APPARATUS AND HYDROGEN GENERATION SYSTEM

Resumen de: WO2026181447A1

A hydrogen generation apparatus (1a) comprising a plurality of cell stacks (10) that, through electrolysis of water, generate hydrogen and oxygen as a byproduct, and a control device that controls the cell stacks (10) and controls circulation of hydrogen, wherein: the plurality of cell stacks (10) are divided into at least one firstly-started cell stack (10a) that is started firstly among the plurality of cell stacks (10) and at least one subsequently-started cell stack (10b), (10c) that is started subsequently to the firstly-started cell stack (10a); and the control device (11) is configured to be able to supply, to the subsequently-started cell stack (10b), (10c), hydrogen generated by the firstly-started cell stack (10a) when starting the subsequently-started cell stack (10b), (10c) after the firstly-started cell stack (10a) is started.

METHOD OF RECYCLING SILICON COMPONENTS

Resumen de: US20260257925A1

The present invention relates to a method of physical and energetic utilization of silicon components that are obtained in electrical scrap recycling. In order to create a recycling method which is effective in terms of time, plant technology and energy, it is proposed that a silicon component be dissolved in an alkali under the process pressure (p) and a first suspension temperature in the range from 50° C. to equal to or greater than the boiling point of the alkali at the process pressure p. After the silicon has been dissolved, the resultant suspension is filtered for separation of meta-, di- and oligosilicate, and the second suspension temperature is maintained during the filtration within the temperature range specified from 50 to less than the boiling point of the alkali.

SYSTEMATIC CARBON EMISSIONS REDUCTION METHOD FOR WHOLE PROCESS OF PRODUCTION AND CASTING

Nº publicación: US20260258513A1 03/09/2026

Solicitante:

JIQING LOW CARBON TECH QINHUANGDAO CO LTD [CN]
JIQING LOW CARBON TECHNOLOGY (QINHUANGDAO) CO., LTD.

Resumen de: US20260258513A1

0000 The present invention discloses a systematic carbon emissions reduction method for whole process of steel production and casting, comprising the steps of: injecting hydrogen into a blast furnace, wherein the hydrogen is sourced from a nuclear-based hydrogen production system, a water electrolysis hydrogen production system, and a coke oven gas-steam reforming hydrogen production system; wherein electrical energy consumed by the water electrolysis hydrogen production system is sourced from gas-fired power generation, steam residual pressure power generation, solar power generation, wind power generation, and nuclear power generation; wherein combustible gases used for the gas-fired power generation are coke oven gas, blast furnace gas, and converter gas; wherein steam for the steam residual pressure power generation is sourced from a sintering waste heat boiler; wherein steam for the coke oven gas-steam reforming hydrogen production is low-pressure steam exhausted from the residual pressure power generation; producing end products comprising cast steel sections and casting materials including high-carbon ductile cast iron profiles with a carbon content of 2-4% and a silicon content of 2-4%, and high-carbon ductile cast steel profiles with a carbon content of 1-2% and a silicon content of 1-1.9%; and recycling scrap from the end products into a converter or an electric arc furnace for smelting.