Wind power

Fast Ambient-Temperature Synthesis of OER Catalysts for Water Electrolysis

Absstract of: US20260265934A1

A water electrolyzer includes an anode formed by a sulfur-doped (Ni,Fe)OOH (S—(Ni,Fe)OOH) electrode. The water electrolyzer also includes a cathode formed by NiMoN nanowire arrays supported on Ni foam.

Process and catalyst for the production of hydrogen by decomposition of ammonia by plasma catalysis

Absstract of: US20260264061A1

The present invention relates to a process for converting a gas comprising NH3 in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and of a catalyst comprising a support comprising alumina, nickel, and at least one promoter comprising iron. The invention also relates to such a catalyst, and to the use thereof for producing high value-added molecules like hydrogen (H2).

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

Absstract of: 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.

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

Absstract of: 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.

HYDROGEN-POWERED AUTONOMOUS MOBILE VEHICLE AND OPERATING METHOD OF THE SAME

Absstract of: US20260265926A1

A hydrogen-powered autonomous mobile vehicle includes a mixing valve, a hydrogen storage device, a fuel cell, and an electrolyzer. The mixing valve has a first gas intake port coupled to the hydrogen storage device, a second gas intake port, and an outlet port coupled to the fuel cell, and includes a gas intake pipe coupled to the electrolyzer. The fuel cell is configured to perform a first redox reaction based on hydrogen supplied by the hydrogen storage device to generate electric energy and water. The electrolyzer is configured to receive the water and perform a water electrolysis reaction to generate hydrogen. The mixing valve is configured such that the hydrogen supplied by the hydrogen storage device and the hydrogen generated by the water electrolysis reaction converge and are delivered to the fuel cell. The fuel cell is configured to perform a second redox reaction based on the converged hydrogen.

SYSTEM AND METHOD FOR PRODUCTION OF ELECTRICTY USING AN ELECTROLYSIS APPARATUS

Absstract of: 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.

COATED POLYMER ELECTROLYTE MEMBRANE AND METHOD FOR THE PRODUCTION THEREOF

Absstract of: WO2026184800A1

The present invention first relates to a method for coating a polymer electrolyte membrane (01), in particular for a water electrolysis cell, with a recombination catalyst layer (02). The recombination catalyst layer (02) is used to catalyze a recombination reaction of oxygen and hydrogen and is intended to prevent the formation of an explosive mixture, in particular in the water electrolysis cell. In one step of the method, the polymer electrolyte membrane (01) is provided. In addition, an aqueous solution of a platinum salt is provided. The aqueous solution of the platinum salt is mixed into a dispersion of a perfluorosulfonic acid, as a result of which platinum cations (04) of the platinum salt are bound to anions (05) of the perfluorosulfonic acid and platinum-containing particles form in the dispersion. The dispersion containing the platinum-containing particles is applied to the membrane (01) and heated, as a result of which water is evaporated and a laminate-type coating is produced on the membrane (01), said coating providing the recombination catalyst layer (02). The invention further relates to a polymer electrolyte membrane (01) coated according to said method, in particular for a water electrolysis cell.

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

Absstract of: 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.

BALANCE-OF-PLANT FOR ELECTRO-SYNTHETIC OR ELECTRO-ENERGY LIQUID-GAS CELLS OR CELL STACKS

Absstract of: US20260269283A1

Gas pressure equalisation systems, and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack. The gas pressure equalisation systems includes a first pressure equalisation tank for partially containing a first liquid and a first gas. The first gas is positioned above a liquid first level. A first gas conduit is provided for the transfer of the first gas between the cell or cell stack and the first pressure equalisation tank. In another aspect, a second pressure equalisation tank may be additionally provided for partially containing a second liquid and a second gas positioned above a liquid second level. A second gas conduit is then provided for the transfer of the second gas between the cell or cell stack and the second pressure equalisation tank.

ELECTROLYSIS SYSTEM HAVING AN ION EXCHANGER

Absstract of: US20260265924A1

An electrolysis system contains: at least one electrolysis cell; a cathode-side water circuit having a hydrogen separator; an anode-side water circuit having an oxygen separator; an equalization connection which leads, coming from a cathode-side water connection, to the anode-side water circuit via a pump and an ion exchanger via a node point and an operating line; and an idle line which branches off upstream of the control line and leads to the cathode-side gas connection.

IMPROVED METHOD FOR CONVERTING A FEEDSTOCK CONTAINING A BIOMASS FRACTION FOR THE PRODUCTION OF HYDROCARBONS BY MEANS OF FISCHER-TROPSCH SYNTHESIS

Absstract of: US20260265612A1

The present invention relates to a process for converting a feedstock comprising at least one biomass fraction into hydrocarbons, said process comprising a step a) of pretreating the feedstock, a step b) of electrolysis of water into oxygen and hydrogen allowing the production of a stream of hydrogen and of a stream of oxygen, in which the water is at least partly obtained from a Fischer-Tropsch synthesis step e), a step c) of gasification of the feedstock pretreated in step a), in the presence of all or part of the oxygen stream obtained from the water electrolysis step b) so as to obtain a gaseous effluent comprising a synthesis gas, an optional step d) of conditioning the gaseous effluent comprising a synthesis gas obtained from step c) and a step e) of Fischer-Tropsch synthesis of the gaseous effluent obtained from step c) or optionally from step d) in the presence of all or part of the hydrogen obtained from the water electrolysis step b) so as to produce a stream comprising synthetic liquid hydrocarbons and at least one gaseous effluent.

PROCESS AND PLANT FOR PRODUCING HYDROGEN USING HYDROGEN BROMIDE ELECTROLYSIS

Absstract of: US20260265923A1

A process for producing hydrogen includes a) providing a starting mixture containing bromine, water and a sulfur containing compound, b) reacting the starting mixture provided in a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in b) into hydrogen bromide enriched compositions and into sulfuric acid enriched compositions the hydrogen bromide enriched composition contains at most 1,000 ppm of sulfuric acid, c) comprises at least two distillation steps, d) subjecting a portion of the hydrogen bromide enriched composition to an electrolysis so as to obtain hydrogen and a bromine containing composition, the electrolysis cell is operated at an operational temperature of at least 70° C., and e) recycling a portion of the bromine containing composition obtained in d) back to a).

LOW PT-LOADED MXENE-CARBON NANOTUBE AEROGEL FILM AND PREPARATION METHODS THEREOF

Absstract of: US20260265080A1

A low Pt-loaded MXene-carbon nanotube aerogel film and its preparation method are provided. The method includes adding an H2PtCl6 solution to a MXene nanosheet colloidal suspension to obtain a Pt@MXene nanosheet suspension, mixing the Pt@MXene nanosheet suspension with a carbon nanotube suspension to obtain a mixed suspension under ultrasonic treatment, and cooling a metal plate in liquid nitrogen in advance, placing the mixed suspension on a surface of the metal plate for rapid freezing, and freeze-drying to obtain a low Pt-loaded MXene-carbon nanotube aerogel film material with a vertical porous structure.

METHOD FOR PRODUCING LOW-CARBON HYDROGEN AND PLANT FOR THE IMPLEMENTATION THEREOF

Absstract of: US20260265051A1

In a method for producing low-carbon hydrogen from ammonia and a plant implementing the method, liquid ammonia feedstock is heated and superheated in a heat-reclaiming module coil and supplied into an ammonia cracking reactor, the resulting nitrogen-hydrogen mixture is cooled in an air cooler, and hydrogen is recovered. The liquid ammonia fuel is heated and evaporated, the gaseous ammonia fuel is superheated and mixed with tail gases resulting from the hydrogen recovery, and the resulting fuel gas, together with hot air, is supplied to the ammonia cracking reactor. The ammonia feedstock and the ammonia fuel are evaporated and superheated in respective recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Extraction of distilled water from the flue gases as a by-product becomes possible by cooling the exiting flue gases to approx. +60° C. in the heat-reclaiming module.

A FEEDWATER PREPARATION METHOD FOR ALKALINE ELETROLYSER SYSTEM AND A FEEDWATER PREPARATION SYSTEM

Absstract of: US20260265940A1

A feedwater preparation system in a water electrolyser is adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks using alkaline water and comprises a product gas conditioning system that has a safety valve out-blow material stream pipe which is connected to a feedwater vessel, and/or has a depressurisation stream pipe from a gas cleaning vessel which is connected to the feedwater vessel.

SYSTEM FOR PRODUCING ENERGY AND BIOMETHANE FROM WASTE

Absstract of: AU2025224758A1

A system for producing energy and methane includes a waste-to-energy unit configured to produce energy and a flue gas by combusting waste and an oxidizing agent having oxygen and a carbon dioxide (CO2) separation unit configured to separate CO2 from the flue gas to provide separated CO2. The system also includes a bio-methanation unit configured to generate methane (CH4), heat, and water using the separated CO2 received from the CO2 separation unit and received hydrogen (H2) gas. The system further includes an electrolyzer coupled to a source of water (H2O) and an electric power source supplying electricity and configured to split the H2O to generate the oxygen used in the oxidizing agent and the H2 gas used in the bio-methanation unit.

BOILING WATER REACTOR WITH AUXILIARY HEATERS, REACTOR REVAMPING METHOD AND METHANOL SYNTHESIS

Absstract of: AU2025230555A1

The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.

SYSTEM AND METHOD FOR MAKING GREEN HYDROGEN

Absstract of: US20260265925A1

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

METHODS AND SYSTEMS FOR SYNTHESIS USING AN UNDERWATER ELECTRICAL ARC

Absstract of: AU2025262338A1

Methods and systems for synthesis using an underwater electric arc. Such methods and systems form an electrical arc between an anode and a cathode positioned under water or within an aqueous mist and introduce an added material into the vicinity of the electrical arc. The formation of the electrical arc in the vicinity of the added material facilitates synthesis of chemical products from the added material. Such synthesized chemical products include ammonia, hydrogen, cyanide, and hydrogen cyanide.

ELECTROLYSIS DEVICE

Absstract of: WO2026185353A1

The present invention discloses an electrolysis device. The electrolysis device according to the present invention incorporates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning component, the cleaning component is connected to the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator, and is configured to store a cleaning agent for pickling, and is configured to provide the cleaning agent to the electrolysis device during pickling, such that a pickling operation may be performed efficiently, to improve production efficiency.

CLEANING AGENT FOR PICKLING, ELECTROLYSIS DEVICE, AND METHOD FOR PICKLING

Absstract of: WO2026185352A2

The invention discloses a cleaning agent for pickling, an electrolysis device and a method for pickling. The cleaning agent contains a chelating agent, which may effectively remove metal deposits produced by corrosion on surfaces of components of the electrolysis device, improve pickling efficiency and quality, and thus improve an overall production performance of hydrogen. The electrolysis device according to the invention incorporates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning component, the cleaning component is connected to the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator, and is configured to store the cleaning agent for pickling, and is configured to provide the cleaning agent to the electrolysis device during pickling, such that a pickling operation may be performed efficiently, to improve production efficiency. In the method for pickling according to the invention, a concentration of metal ions in the cleaning agent is monitored, which not only may ensure that the cleaning agent is used in an effective range, but also may end a pickling process in time, thereby avoiding excessive consumption of the cleaning agent, saving a pickling time, while ensuring a pickling effect.

Electrolyser System

Absstract of: US20260265939A1

The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.

FLUORINATED POLYMER, ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYZER, HYDROGEN PRODUCTION METHOD AND FLUORINATED POLYMER PRODUCTION METHOD

Absstract of: US20260265938A1

To provide a fluorinated polymer, from which such a polymer membrane can be produced that when a laminate having a polymer membrane that contains a fluorinated polymer having groups convertible to ion exchange groups sandwiched between transfer base materials is subjected to hot pressing and then the transfer base materials are peeled from the laminate, few pinholes are formed in the polymer membrane. To provide an electrolyte membrane using the fluorinated polymer, a membrane electrode assembly and a water electrolyzer. The fluorinated polymer of the present disclosure is a fluorinated polymer having units based on tetrafluoroethylene and having groups convertible to ion exchange groups, wherein no endothermic peak is observed within a range of 300 to 350° C. measured by differential scanning calorimetry.

AMMONIA DECOMPOSITION CATALYST, HONEYCOMB STRUCTURE, AND INTERNAL COMBUSTION ENGINE

Absstract of: US20260264059A1

An ammonia decomposition catalyst including a composite oxide forming a perovskite structure with at least barium, zirconium, and ruthenium. Also included is a honeycomb structure including the ammonia decomposition catalyst and an internal combustion engine including the ammonia decomposition catalyst. The ammonia decomposition catalyst exhibits excellent initial activity even at low temperatures and excellent heat resistance in terms of ammonia decomposition activity.

DEVICE AND METHOD FOR HYDROGEN PRODUCTION VIA MICROWAVE RESONANT PLASMA TORCH-ASSISTED AMMONIA CRACKING

Absstract of: WO2026184298A1

A device and method for hydrogen production via microwave resonant plasma torch-assisted ammonia cracking. The device comprises: a microwave unit (1), configured to generate microwaves; and a reaction unit (2), connected to the microwave unit (1). The reaction unit (2) comprises a resonant torch (21). The resonant torch (21) comprises a housing (211), wherein the housing (211) has a closed end and an open end, a resonant cavity (212) is formed between the closed end and the open end, the outer wall of the housing (211) is provided with a gas inlet communicated with the resonant cavity (212), and the gas inlet is configured to be communicated with an external ammonia gas source. A central electrode (213) passes through the resonant cavity (212). Microwaves are fed from the closed end into the resonant cavity (212) to establish microwave resonance therein, and a plasma region is formed around the tip of the central electrode (213) close to the open end, so that ammonia gas flowing in from the gas inlet undergoes a cracking reaction when passing through the plasma region, so as to generate cracked gas containing hydrogen gas.

PART COATED WITH A CARBON-BASED LAYER

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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

Absstract of: 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.

SYSTEM FOR GENERATION OF BLUE HYDROGEN THROUGH NATURAL GAS REFORMING, CARBON DIOXIDE CAPTURE, CARBON RESOURCE UTILIZATION, AND REACTION PRODUCT STORAGE, AND METHOD THEREFOR

Absstract of: US20260257913A1

Proposed is a system for generation of blue hydrogen through natural gas reforming, carbon dioxide capture, carbon resource utilization, and reaction product storage. The system includes a natural gas storage container for storing liquefied natural gas including shale gas, a hydrocarbon reformer in which a gas mixture containing hydrogen and carbon dioxide is produced, a hydrogen filling station in which hydrogen is received and stored, a reactor in which carbon dioxide produced is received and reacted with a basic alkali mixed solution to capture carbon dioxide and in which a reaction product is collected and a carbon dioxide reaction product and a waste solution are separated from the reaction product, a carbon resource storage container storing the carbon dioxide product, and a hydrogen generator in which the carbon dioxide reaction product is used to product hydrogen, and the produced hydrogen is delivered to the hydrogen filling station.

ELECTROLYSIS SYSTEM COMPRISING AN ELECTROLYSIS PLANT AND A RENEWABLE ENERGY PLANT AND METHOD FOR CONTROLLING AN ELECTROLYSIS SYSTEM

Absstract of: US20260261119A1

0000 An electrolysis system includes a renewable power generation plant, an electrolysis plant, a transformer station and an AC bus bar. The renewable power generation plant is connected to the public electricity grid at a point of connection via the AC bus bar and includes a power plant controller and a self-controlled converter that is connected to the AC bus bar. The electrolysis plant includes an electrolysis active power controller and a converter arrangement that is connected to the AC bus bar. The electrolysis active power controller is configured for controlling active power of the electrolysis plant at the AC bus bar and the power plant controller is configured for controlling reactive power at the point of connection. A method for operating an electrolysis system is also provided.

Cationic Compounds for Anion Exchange Membranes

Absstract of: US20260257990A1

An amidinium-functionalized compound, characterized in that the compound has a structure according to General Formula I or General Formula II wherein ⋅R5 and R9 are any substituent different from hydrogen; ⋅R1 to R4 are independently selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl group and a heteroaryl group, or any of R1 and R3, R1 and R4, R1 and R2, R3 and R4, R2 and R3, or R2 and R4 represent the necessary atoms to form a five- to eight-membered non-aromatic ring; ⋅R6 to R8 are independently selected from the group consisting of hydrogen, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl or heteroaryl group, a halogen group, an ether group, a nitro group, an amine group, or any of R5 and R6, R6 and R7, R7 and R8, or R8 and R9 represent the necessary atoms to form a five- to eight-membered ring; X— is an anion; and wherein ⋅at least one of R1 to R9 comprises a polymerizable group or comprises the necessary atoms to link the amidinium group to a polymer.

SYSTEM AND METHOD FOR SYNTHESIZING AMMONIA USING CHEMICAL COMPRESSOR HAVING A HYDROGEN STORAGE ALLOY EMBEDDED THEREIN

Absstract of: WO2026182306A1

The present invention provides a system for synthesizing ammonia using a chemical compressor having a hydrogen storage alloy embedded therein, and a method for synthesizing ammonia using the ammonia synthesis system. The system for synthesizing ammonia comprises: a water electrolysis stack that generates hydrogen; a chemical compressor that stores and discharges hydrogen supplied from the water electrolysis stack; and an ammonia synthesis unit that receives hydrogen from the chemical compressor and synthesizes ammonia, wherein the chemical compressor includes: a hydrogen storage unit having the hydrogen storage alloy embedded therein; a cooling unit that cools the hydrogen storage unit; a heating unit that heats the hydrogen storage unit; and a control unit that controls operations of the cooling unit and the heating unit, wherein the heating unit includes a plurality of different heating sources independently controllable from one another, and the control unit controls the cooling unit to cool the hydrogen storage alloy of the hydrogen storage unit when hydrogen is stored in the hydrogen storage unit, and controls at least one of the plurality of heating sources of the heating unit to heat the hydrogen storage alloy when hydrogen is discharged from the hydrogen storage unit.

REINFORCED COMPOSITE POLYMER ELECTROLYTE MEMBRANE WITH IMPROVED THERMAL AND DIMENSIONAL STABILITY

Absstract of: EP4800057A1

0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.

ELECTRODE PRODUCTION METHOD AND ELECTRODE THEREOF

Absstract of: EP4800782A1

The present invention relates to a method for the preparation of a cathode for alkaline water electrolysis of water particularly useful in the reaction of hydrogen evolution comprising nickel, iron and/or cobalt oxide and a noble metal based on the self-combustion of a precursor mixture deposited or coated on the surface of an electrode carrier. The invention also relates to an electrode obtainable according to said method and to its use as cathode in water electrolysis, in particular in alkaline water electrolysis.

SYSTEMS AND METHODS FOR TANDEM HYDROGEN PRODUCTION AND CARBON DIOXIDE CAPTURE

Absstract of: WO2025090834A1

Disclosed herein are systems and methods for tandem hydrogen (H2) production and carbon dioxide (CO2) capture. For example, described herein are methods comprising tandem H2 production and CO2 capture and conversion to a carbonate mineral. In some examples, the method is an electrochemical method. In some examples, the method comprises dissolving CO2 in water and applying an electrochemical potential sufficient to drive the H2 evolution reaction, thereby producing H2 and CO3 2-. In some examples, the methods further comprise contacting the CO3 2- with a cation to thereby form an insoluble carbonate compound.

SOLID OXIDE CELL SYSTEM AND GUARD BED REACTOR FOR SILICON REMOVAL THEREFORE

Absstract of: WO2025087865A1

The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.

METHOD OF OPERATING A SOLID OXIDE ELECTROLYSIS CELL STACK AND SYSTEM FOR CARRYING OUT THE METHOD

Absstract of: WO2025087866A1

The invention relates to a method of operating a solid oxide electrolysis cell (SOEC) stack for producing hydrogen, and a system for carrying out the method, said SOEC stack comprising at least one solid oxide electrolysis cell (SOEC), said at least one SOEC comprising an electrolyte layer interposed between a fuel-side and an oxy-side, the method comprising transient operation, in which the transient operation comprises: - operating the SOEC stack under open-circuit voltage (OCV); - providing a feed gas comprising ammonia; - supplying at least a portion of said feed gas comprising ammonia to a guard bed reactor, said guard bed reactor comprising a catalyst active in the cracking of ammonia to nitrogen and hydrogen; and withdrawing from said guard bed reactor a forming gas comprising nitrogen and hydrogen; - supplying at least a portion of the forming gas comprising nitrogen and hydrogen to the fuel-side of the at least one of the solid oxide electrolysis cells (SOECs) of the SOEC stack; and withdrawing from said at least one of the SOECs of the SOEC stack, a first fuel-side exit gas.

SOLID OXIDE ELECTROLYSIS CELL AND USE OF SAME

Absstract of: EP4800161A1

Provided is a technique for suppressing occurrence of cracking in a solid electrolyte layer. A solid oxide electrolysis cell includes an air electrode containing a complex oxide having a perovskite structure, a fuel electrode, and a solid electrolyte layer disposed between the air electrode and the fuel electrode. In an interface region of the fuel electrode, which region extends 5 µm from the interface between the fuel electrode and the solid electrolyte layer, the Al content is 1 ppm or greater and 100 ppm or less.

FUEL CRACKER FOR PRODUCING A FUEL WITH STABLE COMBUSTION PROPERTIES FROM AMMONIA

Absstract of: EP4545476A1

Process (2) for the production of an enhanced fuel gas (4) containing at least hydrogen gas from a fuel stream, in particular from an ammonia fuel stream (6). Said process comprises the following steps:- providing the fuel stream (6) (S100);- providing a condensable medium (8), preferably water steam (8), to a cracker unit (10);- at least one step of performing an endothermic cracking reaction of the fuel stream (6) in the cracker unit comprising at least one catalyst suitable for cracking said fuelstream (6), so as to produce an at least partially cracked fuel stream as said enhanced fuel gas (4) (S300); and- condensing at least partially said condensable medium (8) to provide said heat for the endothermic cracking reaction of the fuel stream (6).

IMPROVED ELECTROCHEMICAL DEVICE

Absstract of: WO2025088418A1

Electrochemical device (1), preferably of the electrolyser type for hydrogen production, characterised by comprising: - at least one support frame (2), with a substantially laminar development, which is provided with at least one seat (3) for an electrochemical module (10), said support frame (2) comprising a first face (12') and a second face (12") which are opposite to each other, at least one electrochemical module (10) which is mounted in said at least one seat (3) and which comprises a separation membrane interposed between two electrodes, respectively between an anode and a cathode, at least one bipolar plate (20) for applying/transferring electrical energy to the electrodes of said at least one electrochemical module (10), said bipolar plate (20) comprising a first surface (21') and a second surface (21") which are opposite to each other, said bipolar plate (20) being superimposed on said support frame (2) and being configured so that the first surface (21') of said bipolar plate (20) rests, at least in part, on a first face (12') of said support frame (2).

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

Absstract of: EP4800162A2

The hydrogen production system comprises a solid oxide electrolysis cell (SOEC) that electrolyzes steam, a steam discharge line through which the steam discharged from the hydrogen electrode of the SOEC passes, a main heat exchanger that generates the steam by heating supply water through heat exchange between the supply water and the steam passing through the steam discharge line, a combustor that combusts a part of hydrogen contained in steam discharged from a hydrogen electrode, a superheater that exchanges heat between the steam generated in the main heat exchanger and the combustion gas generated in the combustor, a gas discharge line through which an exhaust gas discharged from an oxygen electrode of the SOEC passes, a steam bleeding line that allows the steam discharge line and the combustor to communicate with each other, and an exhaust gas bleeding line that allows the gas discharge line and the combustor to communicate with each other.

MARINE PLATFORM FOR PRODUCING, STORING, AND TRANSFERRING MARINE GREEN HYDROGEN

Absstract of: EP4799916A2

The present invention relates to an apparatus and method for producing, storing, and transferring hydrogen. According to the present invention, in order to address the problems of conventional systems and methods for producing, storing, and transferring marine green hydrogen, which are configured with a fixed structure in a small-scale offshore wind power generator on a coast or in a shallow sea area with a shallow depth of water, and thus, have low efficiency due to the difficulty in mass production of hydrogen, and a large storage space is occupied when the produced hydrogen is converted into a compressed gas form, and when the produced hydrogen is converted into ammonia, additional energy is required to extract the hydrogen again and there is a risk of environmental pollution and casualty in the event of an outflow accident, provided is a marine platform for producing, storing, and transferring marine green hydrogen, which is configured such that marine green hydrogen is produced through a floating marine structure configured to produce marine green hydrogen using electricity produced using renewable energy from the ocean, and simultaneously, the produced marine green hydrogen is stored, transferred, and offloaded through a single offshore platform (FPSO), thereby being possible to easily construct a large-scale production facility capable of producing, storing, and transferring marine green hydrogen without greenhouse gas emission on the basis of eco-friendly energy.

MEMBRANE-ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS CELL, AND WATER ELECTROLYSIS CELL COMPRISING SAME

Absstract of: EP4800156A1

Provided is a membrane-electrode assembly for a water electrolysis cell, including: a polymer electrolyte membrane having an active area and an inactive area surrounding the active area; a hydrogen generation electrode positioned on a first surface of the active area of the polymer electrolyte membrane; an oxygen generation electrode positioned on a second surface of the active area of the polymer electrolyte membrane; a first subgasket disposed on a first surface of the inactive area of the polymer electrolyte membrane and surrounding the hydrogen generation electrode; and a second subgasket disposed on a second surface of the inactive area of the polymer electrolyte membrane and surrounding the oxygen generation electrode, wherein the first subgasket has a first window accommodating the hydrogen generation electrode, and a first water supply path surrounding the first window and exposing the inactive area of the polymer electrolyte membrane.

A PRESSURIZED ALKALINE ELECTROLYSER STACK

Absstract of: EP4800158A1

The various embodiments of the present invention disclose a pressurized alkaline electrolyser stack, comprising: a stack core (100a) comprising a plurality of electrolysis cells (200), wherein each electrolysis cell (200) comprises an anode chamber comprising an anode, a cathode chamber comprising a cathode, a diaphragm (206) separating the anode chamber and the cathode chamber, at least one cell frame (201) and at least one gasket (202). The stack core (100a) is configured to have a first stack core length L₁ and a first gasket stress σ₁ at a first design temperature T₁ and a second stack core length L₂ and a second gasket stress σ₂ at a second design temperature T₂. The first design temperature T₁ is at least 80 degrees Celsius and the second design temperature T₂ is less than 30 degrees Celsius. A stack core length difference dL = L₁-L₂ is between 0 to 20 millimeters, and a gasket stress difference dσ =σ₁-σ₂ is between 0 to 20 MPa.

METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A CONTROL UNIT COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM

Absstract of: EP4800157A1

0001 Method of operating an electrolysis system (2) wherein the method comprising the step of: (S100) providing a control signal (S5) to a product valve (18b) on the oxygen-side (V) of the electrolysis system (2) to keep the product valve (18b) open in order to buffer oxygen provided by the electrolysis system (2) in a buffer tank (14b) on the oxygen-side (V) in normal operation of the electrolysis system (2).

PLANT AND METHOD FOR CONVERTING CO2 TO METHANOL

Absstract of: EP4800000A1

The invention relates to an methanol plant comprising: a CO₂-rich feed, a hydrogen-rich feed, a boiler feed water stream, a CO₂-electrolysis section arranged to electrolyse at least a portion of the CO₂-rich feed to output a mixed stream, a heat exchange section arranged to heat exchange at least a portion of the first mixed stream so as to output a cooled mixed stream and a steam stream, a methanol synthesis loop arranged to receive at least a portion of the cooled mixed stream and at least a portion of the hydrogen-rich feed and to output a raw methanol stream, a purge gas stream, and a flash gas stream, and a methanol upgrading section, wherein the steam stream is arranged to provide heat energy for one or more components of the methanol upgrading section. At least a portion of the purge gas stream is arranged to be recycled to the CO₂-rich feed, and/or at least a portion of the flash gas stream is arranged to be recycled to at least one of: the mixed stream and the cooled mixed stream. The invention also relates to a method for converting CO₂ to methanol.

用于催化性污染治理的氢气还原剂

Absstract of: US2020032688A1

0001 Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carbon monoxide and/or hydrocarbons and/or nitrogen oxides. The introduction of hydrogen may be intermittent and/or during a cold-start period.

Avgasreaktor

Absstract of: SE2500030A1

Uppfinningen avser förfarande och arrangemang för att producera ammoniak från väte samt luftens kväve. Uppfinningen kännetecknas av att i en förbränningsmotor för ammoniak förbränns ammoniak stökiometriskt med syret i den omgivningsluft som tillförs motorn varefter bildad het avgas med vattenånga reagerar med järnet i avgassystemet och bildar rost i en endoterm reaktion varvid väte frigörs samtidigt som ammoniak bildas i en exoterm reaktion i motorns avgassystem som består av järn och utgör ett cirkulärt energilager.

Porous ionomer free layered metal alloy electrocatalyst electrode

Absstract of: NZ808750A

The invention relates to a new kind of electrocatalyst to be incorporated as part of the electrodes, anode and cathode, in water electrolysers aimed for hydrogen production through the electrochemical splitting of water into oxygen and hydrogen. The electrocatalyst is characterized by a layered and porous structure that provides a high performance towards the oxygen evolution reaction in the absence of added ionomer. The object of the invention is framed in the field of energy.

電気化学システムの流体伝導性プレート配置

Absstract of: WO2025051317A1

The invention relates to a fluid-conducting plate arrangement (3) of an electrochemical system (1), comprising a compression plate (4) which has an inner side (6), facing a stack of electrochemical cells, and an outer side (5) and is passed through by a plurality of through-openings to which a plurality of coolant passages (8, 9), namely a coolant inlet (8) and a coolant outlet (9), are to be assigned, wherein each coolant passage (8, 9) has a branch (12) which opens towards the inner side (6) and is formed by the compression plate (4) together with an insert plate (10) inserted into it on the outer side, such that the compression plate (4) has two separate passage portions (13, 14) and the insert plate (10) has a collecting portion (18) which adjoins the two passage portions (13, 14).

表面プラズモン共鳴触媒及び化学反応システム

Absstract of: WO2025049352A2

This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.

Improved catalytic reactor system and catalyst for conversion of captured co2 and renewable h2 into low-carbon syngas

Absstract of: NZ804904A

The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.

ELECTRO-SYNTHETIC OR ELECTRO-ENERGY CELLS WITH LIQUID FEATURES

Absstract of: US20260250871A1

0000 An electro-energy or electro-synthetic cell, including a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and/or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.

COMPOSITE PHOTOELECTROCATALYTIC MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Absstract of: WO2026174667A1

The present invention belongs to the technical field of photoelectrocatalysis. Specifically disclosed are a composite photoelectrocatalytic material, and a preparation method therefor and a use thereof. According to the present invention, first, a Bi-containing solution is used as an electrolyte for electrodeposition, a V-containing precursor solution is coated, and then annealing treatment is performed to obtain a BiVO4 matrix material; then, the BiVO4 matrix material is used as a working electrode, a Ni-containing solution is used as an electrolyte, and photo-assisted electrodeposition is performed to obtain NiO/BiVO4; and then a solution containing Ni5P4 nanoparticles is coated on the NiO/BiVO4 to obtain the composite photoelectrocatalytic material. The composite photoelectrocatalytic material obtained according to the present invention has a built-in electric field, and has high catalytic activity and excellent catalytic performance; the Ni5P4 greatly improves the yield and selectivity of H2O2; and the preparation method also has the characteristics of simple operation, time saving, and low energy consumption.

AMMONIA DECOMPOSITION REACTOR HAVING FUNCTION OF PREHEATING AMMONIA GAS

Absstract of: US20260249262A1

0000 An ammonia decomposition reactor having a function of preheating ammonia gas, including a heat exchanger body and a reactor body enveloped externally by the heat exchanger body. A heat-exchange tube on the heat exchanger body is provided in a heat-exchange shell, one end is in communication with an ammonia gas heat-exchange inlet, and the other end is in communication with an ammonia gas heat-exchange outlet. A heat medium inlet and A heat medium outlet are individually connected to the heat-exchange shell. A catalyst tube is provided in a reaction shell. An ammonia gas heat-exchange outlet on the heat exchanger body is in communicated with an ammonia gas inlet on the reactor body, an ammonia gas inlet is communicated with an ammonia-gas-decomposition-gas outlet by a catalyst tube, and the ammonia-gas-decomposition-gas outlet is communicated with a heat medium inlet on the heat exchanger body.

無機炭素源および／またはＣ１炭素源から有用有機化合物への非光合成炭素の回収および変換のための酸水素微生物の使用

Absstract of: WO2011139804A2

Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and/or other forms of inorganic carbon and/or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and/or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.

WATER ELECTROLYSIS CATALYSIS PROMOTER AND WATER ELECTROLYSIS DEVICE USING THE SAME

Absstract of: US20260250851A1

The present invention relates to a catalysis promoter dissolved in an electrolyte of a water electrolysis device using an alkaline electrolyte and promoting the catalytic activity of an oxygen evolution electrode.

NOBLE METAL OXIDE CLUSTER CATALYST ANCHORED ON COBALT-BASED NANOSHEETS AND PREPARATION METHODS THEREOF

Absstract of: US20260249278A1

0000 The present disclosure discloses a noble metal oxide cluster catalyst anchored on cobalt-based nanosheets and a preparation method thereof. The preparation method includes mixing a cobalt acetate solution, a metal salt solution, ammonium metavanadate, and acetylene black uniformly, stirring at a temperature in a range of 50 °C to 100 °C, and filtering to collect a sample; and subjecting the sample to vacuum drying, pyrolyzing the sample under air atmosphere, to obtain the noble metal oxide cluster catalyst anchored on cobalt-based nanosheets.

炭化水素膜

Absstract of: WO2025040912A1

The disclosure provides a process of preparing an ion-conducting membrane comprising a sulphonated hydrocarbon ionomer having an ion-exchange capacity I2 meq/g, the process comprising the steps of: a) providing a sulphonated hydrocarbon ionomer having an ion- exchange capacity I1 meq/g; b) casting an ion-conducting membrane from a mixture of the sulphonated hydrocarbon ionomer provided in step a) and a solvent; c) applying a treatment to the ion-conducting membrane prepared in step b) which reduces the ion-exchange capacity from I1 meq/g to an ion-exchange capacity I2 meq/g, wherein I2 is less than I1.

HYDROGEN GENERATION DEVICE WITH BREATHING DETECTION FUNCTION

Absstract of: AU2025262351A1

A hydrogen generation device with a breathing detection function. The hydrogen generation device comprises an electrolytic cell, a gas pipe, a sensor, a valve switch and a controller, wherein the electrolytic cell is used for electrolyzing water to generate a hydrogen-containing gas; the gas pipe is in communication with the electrolytic cell and has a gas outlet, and the gas pipe is used for receiving the hydrogen-containing gas and outputting the hydrogen-containing gas through the gas outlet; the sensor is used for sensing the breathing of a user to generate a breathing signal; the valve switch is arranged in the gas pipe; and the controller is electrically connected to the valve switch and the sensor, and the controller opens the valve switch on the basis of an inspiration signal, and closes the valve switch on the basis of an expiration signal. Therefore, the present invention provides the hydrogen-containing gas, and does not provide the hydrogen-containing gas in an expiration state, such that not only can excessive pressure in a breathing tube be prevented, but also the hydrogen-containing gas can be prevented from rapidly flowing to a user when the user inhales again, thereby improving the practicability and the usage experience.

METHOD FOR CONTROL OF THE INDIVIDUAL CATHOLYTE AND ANOLYTE FLOWS THROUGH A MULTITUDE OF ELECTROLYSER STACKS AND ELECTROLYSER SYSTEM COMPRISING A MULTITUDE OF INDIVIDUAL ELECTROLYSER STACKS

Absstract of: AU2025234540A1

A method for control of the individual catholyte and anolyte flows through a multitude of electrolyser stacks is provided wherein: a. each electrolyser stack (2) is adapted to perform electrolysis of water, and b. all electrolyser stacks (2) are served with an electric current and that, c. all electrolyser stacks (2) are served with anolyte flow (26), and d. all electrolyser stacks (2) are served with catholyte flow (27). It is preferred that e. differential pressure signals (28.1) at each electrolyser stack (2) is provided and, f. that catholyte control signals (43) and anolyte control signals (42) to each of a catholyte stack inflow valve actuator (44) and an anolyte stack inflow valve actuator (45) are provided for the regulation of each of an anolyte stack inflow valve (56) and a catholyte stack inflow valve (57). An electrolyser system is also provided.

CONTROL OF AN ELECTROLYSIS SYSTEM FOR PRODUCING HYDROGEN AND OXYGEN BY ELECTROLYSING WATER

Absstract of: US20260250859A1

0000 An electrolysis system includes a plurality of electrolysis devices connected to a power supply line, the electrolysis devices having an electrical energy supply unit and an electrolysis module coupled to the power supply unit. The energy supply units of the electrolysis devices include a transformer and a rectifier unit. The transformer has a primary winding and a secondary winding connected to an AC voltage side of the rectifier unit. The primary winding of the transformer of at least a first of the electrolysis devices is configured to be adjustable in stages, and the rectifier unit of that electrolysis device is configured to be operated in an uncontrolled manner. The rectifier unit of the energy supply unit of at least a second of the electrolysis devices is configured to be operated in a controlled manner depending on the electrical energy that can be provided by the energy source.

Rotational Electrolysis Arrangement

Absstract of: US20260250856A1

The present disclosure relates to an electrode for use as an anode or cathode for electrolysis of a liquid flowing along a flow direction. An electrolysis arrangement includes at least one such electrode and a method for performing electrolysis using the electrolysis arrangement. The electrolysis arrangement includes a cylindrical housing and a plurality of elongated electrodes each extending along a longitudinal direction parallel to the central axis. The plurality of electrodes is arranged in a concentric pattern around the central axis inside the cylindrical housing. The electrolysis arrangement also includes fluid actuating means for causing a rotational flow of a fluid around said central axis inside said inner volume of said cylindrical housing.

METHOD FOR PRODUCING A COMPOUND AND APPARATUS FOR PRODUCING A COMPOUND

Absstract of: US20260250131A1

0000 Page 12 A method for producing a compound comprising at least one of hydrogen or oxygen comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing a diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. An apparatus is configured for producing a compound comprising at least one of hydrogen or oxygen.

암모니아·수소 혼합연료 제조장치, 연료공급 시스템 및 수소의 제조방법

Absstract of: TW202543915A

To provide a reactor capable of suppressing damage to a housing caused by heat. A reactor 10 comprises: a housing 1 including an introduction port 2 for introducing ammonia and a combustible gas, and an outlet 3 for causing the generated gas to flow out; a first catalyst part 13 disposed inside the housing 1 and including a first catalyst for generating heat by burning the combustible gas introduced from the introduction port 2; and a second catalyst part 21 disposed between the first catalyst part 13 and the outlet 3, including a second catalyst heated by heat generated in the first catalyst part 13, and generating hydrogen from ammonia.

PROCESS OF MANUFACTURING AN ELECTROCATALYST FOR ALKALINE WATER ELECTROLYSIS

Absstract of: US20260250866A1

0000 Process of manufacturing an electrocatalyst for alkaline water electrolysis including: (i) producing an aqueous electrolyte including suspended graphene and graphite nanoplatelet structures having thickness of <100 nm in an electrochemical cell including a negative graphitic electrode, a positive graphitic electrode, an aqueous electrolyte including ions in a solvent, the ions including cations, including sulphate ions, and anions, wherein current passes through the cell to obtain exfoliated graphene and graphite nanoplatelet structures in the aqueous electrolyte in an amount of more than 5 g/l. (ii) Composing an electroplating bath including the suspended graphene and graphite nanoplatelet structures in an amount of more than 2 g/l, the electroplating bath including an aqueous solution of nickel sulphate and the aqueous electrolyte of step (i). (iii) Electrodepositing from the electroplating bath a combined layer of Ni or Ni-alloy and graphene and graphite particles on a carrier to form electrocatalyst.

Verfahren zur Aufbereitung von Rohwasser für die Nutzung als Edukt-Wasser in einem Elektrolyseprozess sowie Wasseraufbereitungssystem zur Durchführung des Verfahrens

Absstract of: DE102025107067A1

Die Erfindung betrifft ein Verfahren zur Aufbereitung von Rohwasser (1) für die Nutzung als Edukt-Wasser in einem Elektrolyseprozess, bei dem salzbeladenes Rohwasser (1) bereitgestellt und eine thermische Entsalzung des Rohwassers (1) durchgeführt wird, wobei Wärme (QIN) dem Rohwasser (1) zugeführt und dieses verdampft wird, wobei salzfreies Wasser (H2O) abgezogen wird, das als Edukt-Wasser (9) bereitgestellt und einem Elektrolyseprozess zugeführt wird, bei dem Wasserstoff (H2) als Produktgas erzeugt wird, wobei der erzeugte Wasserstoff (H2) verladen wird, indem der Wasserstoff (H2) einem exothermen Verladeprozess unterzogen wird, aus dem Wärme (QOUT) freigesetzt wird, wobei freigesetzte Wärme (QOUT) übertragen und als Heizwärme (QIN) dem Rohwasser (1) zugeführt und zur Verdampfung genutzt wird.Die Erfindung betrifft weiterhin ein Wasseraufbereitungssystem (11) zur Durchführung des Verfahrens.

HYDROGEN PRODUCTION SYSTEM, HYDROGEN PRODUCTION METHOD, AND NON-TRANSITORY TANGIBLE COMPUTER-READABLE STORAGE MEDIUM

Absstract of: US20260250853A1

0000 A hydrogen production system of the present disclosure includes a plurality of electrolyzers which produce hydrogen by electrolyzing a raw material, a plurality of power converters which convert three-phase AC power into DC power and supply the DC power to the plurality of electrolyzers, and a control device which controls the plurality of power converters. Each electrolyzer is connected to a different one of the power converters. The control device is configured to individually control a current or a voltage supplied from the plurality of power converters to each electrolyzer by individually controlling the plurality of power converters, and to control the current or the voltage supplied from the power converter to a measured electrolyzer based on a detection value detected by at least one detection unit of an inlet gas state detection unit, an outlet gas state detection unit, and a power supply physical quantity detection unit.

HYDROGEN PRODUCTION SYSTEM, HYDROGEN PRODUCTION METHOD, AND NON-TRANSITORY TANGIBLE COMPUTER-READABLE STORAGE MEDIUM

Absstract of: US20260250854A1

0000 A hydrogen production system of the present disclosure includes an electrolytic device, a plurality of electrical power conversion devices that convert three-phase AC power to DC power and supply the DC power to the electrolytic device, and a control device that controls the electrical power conversion devices. The electrolytic device is connected with the plurality of electrical power conversion devices connected in parallel with each other. The control device is configured to correct, when electrical power supply from some of the plurality of electrical power conversion devices to the electrolytic device is stopped, at least one of voltage and current of the electrical power conversion device that is continuing electrical power supply to the electrolytic device so that a later hydrogen production amount of the electrolytic device approaches a predetermined target amount.

PROCESS FOR DECOUPLED PRODUCTION OF HYDROGEN AND CARBON MONOXIDE

Absstract of: WO2026176299A1

The present application relates to an advanced process for the decoupled production of hydrogen and carbon monoxide from hydrocarbons and carbon dioxide. This process combines the catalytic decomposition of hydrocarbons with the gasification of a solid carbon intermediate to separately produce and store hydrogen and carbon monoxide. From an industrial perspective, this process allows for an easy and highly flexible subsequent mixture of the two products that is critical for downstream processes.

SYSTEM FOR GENERATING ENERGY BY MEANS OF HYDROGEN GAS (HHO) FOR DOMESTIC AND INDUSTRIAL USE

Absstract of: WO2026176213A1

The present invention relates to a system for generating energy by means of hydrogen gas (HHO) for domestic and industrial use, wherein the system is used as an energy source in different applications, such as heating, cooking, boilers and industrial motors or similar. The system comprises a set of units and devices that includes a multipolar cell and several interconnected components, such as pressure valves, a pressurised pump and a gas mixer, which allow HHO to be produced, controlled, and blended with other fuels, optimising energy efficiency and reducing carbon emissions.

SMALL MODULAR REACTOR DRIVEN LOW-TEMPERATURE METHANOL AND SUBSEQUENT CHEMICAL PRODUCTION PATHWAYS

Absstract of: WO2026177750A2

An integrated energy system (IES) including a power plant is discussed herein. In some examples, the IES may include a power plant configured to generate steam, a Low-Temperature Methane Steam Reforming plant configured to receive at least a portion of the steam from the power plant to react with Methane within the Low-Temperature Methane Steam Reforming plant to produce Hydrogen, first Carbon Monoxide, and Carbon Dioxide, a first separation unit configured to separate the Hydrogen, the first Carbon Monoxide, and the Carbon Dioxide, a Solid Oxide Electrolysis Stack configured to receive at least a portion of the Carbon Dioxide and to produce second Carbon Monoxide and Oxygen, a second separation unit configured to separate the Carbon Dioxide from the second Carbon Monoxide, and a methanol synthesis reactor configured to receive at least a portion of the Hydrogen and at least a portion of the second Carbon Monoxide to produce Methanol.

CONVERTER SYSTEM AND CONTROL METHOD THEREOF

Absstract of: WO2026175483A1

The present disclosure provides a converter system (100) for powering a plurality of hydrogen electrolyzers that are electrically coupled together to form at least one electrolyzer string (200). The converter system (100) includes a main power supply unit (10) configured to provide bulk power to the at least one electrolyzer string (200) such that a main current flows through the at least one electrolyzer string (200); an auxiliary power supply unit (20) comprising at least one DC/DC converter (21), which is electrically coupled with the at least one electrolyzer string (200) to inject or extract an adjustable current to or from the at least one electrolyzer string (200); and a control system (30) configured to control at least one of the main power supply unit (10) and the auxiliary power supply unit (20) for operating the converter system (100).

ELECTRODE LAMINATE FOR ALKALINE WATER ELECTROLYSIS CELL, AND ALKALINE WATER ELECTROLYSIS CELL

Absstract of: WO2026176844A1

Provided is an electrode laminate for an alkaline water electrolysis cell in which a short circuit due to breakage of a diaphragm is unlikely to occur while having a zero gap structure. The electrode laminate for an alkaline water electrolysis cell comprises: an anode that serves as an oxygen generation electrode; a cathode that serves as a hydrogen generation electrode; and a diaphragm that is interposed between the anode and the cathode and has hydroxide ion conductivity. The electrode laminate has a zero gap structure in which the anode, the diaphragm, and the cathode are laminated so as to be in contact with each other. The anode includes an anode stress relaxation layer, which is deformable by stress, on a surface that is in contact with the diaphragm, and/or the cathode includes a cathode stress relaxation layer, which is deformable by stress, on a surface that is in contact with the diaphragm.

CONVERTER SYSTEM AND CONTROL METHOD THEREOF

Absstract of: WO2026175484A1

A converter system (100) for powering a plurality of hydrogen electrolyzers is provided. The plurality of hydrogen electrolyzers are electrically coupled together to form at least two electrolyzer strings (210, 220). The converter system (100) comprises: a main power supply unit (10) comprising a main converter that provides bulk power to the at least two electrolyzer strings (210, 220) such that a main current flows through each of the at least two electrolyzer strings; an auxiliary power supply unit (20) comprising at least one DC/DC converter, which is electrically coupled with one electrolyzer string from the at least two electrolyzer strings to inject or extract an adjustable current to or from the one electrolyzer string; and a control system (30) configured to control at least one of the main power supply unit (10) and the auxiliary power supply unit (20) for operating the converter system (100).

METHODS OF USING AND PREPARING METAL SULFIDE CATALYST

Absstract of: US20260250126A1

A method for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur(S) includes contact a H2S-containing feed gas stream with a molybdenum disulfide (MoS2) catalyst at a temperature of about 500 to about 1000° C., thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ and a residue gas stream leaving the reactor. A method for preparing the MoS2 catalyst in the form of a flower-like nanosheet microsphere. A method for preparing the MoS2 catalyst in the form of a nanosheet.

A METHOD AND A SYSTEM FOR HANDLING WASTE HEAT GENERATED BY AT LEAST ONE COMPONENT OF A WIND TURBINE GENERATOR

Absstract of: WO2026175476A1

A method (200) for handling a waste heat generated by at least one component of a wind turbine generator is presented. The method (200) comprises: - determining (210) that an inflow of thermal energy to at least one electrolyzer (121) is needed to control the at least one electrolyzer (121) to operate in a specific electrolyzer state; and - transferring (220) a turbine thermal energy TEturbine associated with at least a part of the waste heat from the wind turbine generator (101) to the at least one electrolyzer (121), by transferring the turbine thermal energy TEturbine from a turbine temperature controlling arrangement (310) to at least one electrolyzer temperature controlling arrangement (320) of the at least one electrolyzer (121) via a connection (322, 330, 340) between the turbine temperature controlling arrangement (310) and the at least one electrolyzer temperature controlling arrangement (320), respectively.

ENERGY SUPPLY SYSTEM FOR COUPLING TO A WIND TURBINE USED IN ISLAND MODE, AND METHOD FOR SUPPLYING THE WIND TURBINE WITH SOLAR ENERGY

Absstract of: US20260254396A1

0000 An energy supply system is specified for coupling to a wind power station that is used in island mode and that operates an electrolysis facility for the production of green hydrogen with wind energy. The novel energy supply system has a solar energy source, with a photovoltaic module and/or a solar thermal collector, which is configured to supply the electrolysis facility, in particular a containment and water-carrying lines of electrolysis units of the electrolysis facility, with thermal energy in the event of the absence of wind energy. There is also described a corresponding method for coupling solar energy to a wind power station that is operated in island mode.

ELECTROLYSIS DEVICE WITH NATURAL CIRCULATION

Absstract of: US20260250857A1

An electrolysis device for producing hydrogen through electrochemical reaction from an aqueous alkali solution is disclosed. The electrolysis device includes an anodic half cell and a cathodic half cell. The anodic half cell and the cathodic half cell are separated via a membrane and the alkali solution can flow through the cathodic half cell. The anodic half cell includes an anodic electrode and the cathodic half cell includes a cathodic electrode. The anodic electrode, the cathodic electrode and the membrane form a membrane-electrode unit. In normal operation of the electrolysis device, an initial fill quantity of the alkali solution in the cathodic half cell can be changed only by diffusion processes through the membrane-electrode unit and/or through electrochemical reaction of the alkali solution in the membrane-electrode unit.

PROCESS AND PLANT FOR OBTAINING HYDROGEN

Absstract of: WO2025190563A1

The invention relates to a process for obtaining hydrogen from water, in which an oxidation unit is supplied with a pumpable suspension of zinc particles in alkaline solution, zinc is oxidized electrochemically or thermally to zinc oxide in the oxidation unit (3) with release of hydrogen, the suspension leaving the oxidation unit (3) is fed to a reduction unit (4), and zinc oxides formed in the course of oxidation in the reduction unit (4) are electrochemically reduced to zinc with release of oxygen, and then the suspension leaving the reduction unit (4) is fed back to the at least one oxidation unit (3).

ELECTROCHEMICAL CELLS

Absstract of: WO2025081243A1

Disclosed herein is an electrochemical cell comprising a porous tubular support adapted to conduct electricity, a bore of the support defining an inner channel configured to receive a flow of a first fluid therethrough; a tubular outer electrode; an electrolyte comprising a porous membrane, the porous membrane separating the porous tubular support and the tubular outer electrode; current collectors for enabling an electrical current to flow through the cell; and a housing for the electrochemical cell, a space between the housing and the tubular outer electrode defining an outer channel configured to receive a flow of a second fluid therethrough.

METHOD FOR PRODUCING METHANE

Absstract of: EP4796521A1

0001 A method for producing methane according the present disclosure includes: producing methane from a raw material gas containing ammonia and carbon dioxide in the presence of a catalyst containing a carrier and a transition metal.

ＳＯＥＣモジュール、およびマルチスタックコアモジュールに基づくＳＯＥＣ水電解水素製造装置

Absstract of: WO2025036406A1

An SOEC module and an SOEC water electrolysis hydrogen production device based on a multi-stack-core module. Said device comprises a steam generator, a mixer, an air heater and a plurality of SOEC modules; each SOEC module comprises a heat preservation shell provided with a hot air module inlet, a hydrogen-containing mixed steam module inlet, an oxygen-rich air module outlet and a product crude hydrogen module outlet, and a plurality of electrolytic cell stack cores arranged in the heat preservation shell; and each electrolytic cell stack core comprises a hot air single-stack inlet, a hydrogen-containing mixed steam single-stack inlet, an oxygen-rich air single-stack outlet and a product crude hydrogen single-stack outlet.

CATALYST USE OPTIMISATION

Absstract of: GB2634782A

A method for manufacturing a catalyst coating 200 for a recipient component of a PEM electrolyser and a blended catalyst. The method comprising the steps of: processing a pre-used catalyst-coated donor component 202, to recover a quantity of a catalyst 203; converting the catalyst recovered from the donor component into a powder, thus producing a low-ECSA (electrochemical active surface area) recycled catalyst powder; and blending the recycled catalyst powder 203 with a quantity of high-ECSA unrecycled catalyst powder 204 to form a blended catalyst powder 205. ECSA represents a value for the active surface area of the catalyst and is related to the BET (Brunauer-Emmett-Teller) value.

METHOD OF MAKING A CATALYST INK AND CONTINUOUS CATALYST INK MIXING SYSTEM

Absstract of: US2025171652A1

0000 Methods of continuously dispersing catalyst inks for use in coating processes are described. The catalyst ink is continuously mixed in a high shear mixing unit, and the mixed ink is sonicated in a sonication unit. Part of the sonicated catalyst ink is returned to the high shear mixing unit. The method provides continuous mixing and sonicating of the catalyst ink. The mixed and sonicated ink can then be applied to a substrate in a defined pattern.

UNIT FOR PRODUCING HYDROGEN PROVIDED WITH A STOPPING SYSTEM, AND METHOD FOR STOPPING SUCH A UNIT

Absstract of: WO2025082916A1

The invention relates to a unit (200) for producing hydrogen that comprises: - a stack (102) of solid oxide cells, - an air circuit (110), and a fuel circuit (120) passing through the stack (102); characterised in that the unit (200) is equipped with a stopping system comprising: - an inlet (202) and an outlet (204) for neutral gas, for circulating a predetermined neutral gas in the stack; - an inlet (206) and an outlet (208) for safety gas, for circulating a safety gas in the stack (102); and - a control module (210) for switching the stack (102) from the production configuration to the stopped configuration. The invention also relates to a method for controlling such a unit.

HYDROGEN-PRODUCTION PLANT

Absstract of: WO2025082675A1

The invention relates to a hydrogen-production plant comprising at least a first production line, comprising at least a first electrolysis device with a plurality of first electrolysis modules and comprising a first compressor device with a plurality of first compressor modules, and comprising a controller, comprising at least a schedule-creating module and a control module, wherein the schedule-creating module is designed for creating an activation schedule at least for the first electrolysis modules and for the first compressor modules on the basis of respective performance characteristics of the respective first electrolysis modules, respective performance characteristics of the respective first compressor modules and at least one predetermined optimization criterion, and wherein the control module is designed for activating the first compressor modules and the first electrolysis modules on the basis of the activation schedule created.

METHOD AND ARRANGEMENT FOR PRODUCING HYDROGEN

Absstract of: EP4796672A1

0001 Es wird ein Verfahren zur Herstellung von Wasserstoff unter Verwendung einer Elektrolyseanordnung (1000) mit einer Elektrolysevorrichtung (100) und einer Verdichtervorrichtung (500) vorgeschlagen, wobei der Elektrolysevorrichtung (100) ein Elektrolysewasser enthaltender Wasserstoffstrom (101) entnommen und zumindest zu einem Teil als Verdichtereinsatzstrom einer Verdichtung zugeführt wird. Hierbei ist vorgesehen, dass der Verdichtereinsatzstrom zumindest einen Teil des Elektrolysewasser des Wasserstoffstroms (101) umfasst und die Verdichtung unter Verwendung eines Turboverdichters (550) durchgeführt wird. Eine entsprechende Elektrolyseanordnung (1000) wird ebenfalls vorgeschlagen.

SYSTEM FOR PRODUCING AND STORING HYDROGEN, COMPRISING AN ELECTROLYSER COUPLED WITH A HYDROGEN COMPRESSOR

Absstract of: EP4796673A1

L'invention concerne un système destiné à assurer le fonctionnement sans interruption d'un électrolyseur de production d'hydrogène avec un compresseur à haute pression, comprenant un équipement de production d'hydrogène (1), un équipement de compression (4) de l'hydrogène dans des stockages à haute pression (5, 6), un réservoir tampon (3) de volume réduit, positionné entre l'équipement de production d'hydrogène (1) et l'équipement de compression (4), et un module de contrôle (7) configuré pour piloter le courant électrique alimentant l'équipement de production d'hydrogène (1) de manière à ce qu'il corresponde au débit de compression autorisé.

DEVICE FOR ELECTROCHEMICAL REVERSIBLE DIHYDROGEN STORAGE

Absstract of: EP4541945A1

The invention relates to Device for electrochemical reversible dihydrogen storage (1), said device comprising: a sealed chamber (2) intended to receive an electrolytic media (3) and gaseous dihydrogen (4), connection means (5) suitable for connecting the seal chamber to a gas circuit (6) and at least one first electrode (7), and at least one second electrode (8), arranged within the sealed chamber. The at least one second electrode is suitable to oxidize dissolved gaseous dihydrogen, in the electrolytic media, and form protons and to reduce protons and form gaseous dihydrogen according to formula 1: H₂ ↔ 2H⁺ + 2e^-, formula 1. The at least one first electrode comprises at least one redox couple M^y/M^x, insoluble in the electrolytic media, said at least one redox couple being arranged to exhibit at least two oxidation states and being suitable to be reduced from an oxidized state M^y to a reduced state M^x, and conversely, according to formula 2: M^y + pe^- ↔ M^x, formula 2, wherein x and y are oxidation number. An absolute potential difference |ΔE| between a redox potential of the couple H⁺/H₂, for a predetermined electrolytic media and a predetermined pressure range of gaseous dihydrogen, and a redox potential of the at least one couple M^y/M^x is lower than or equal to 0.6 V.

アルカリ水電解用セパレータ

Absstract of: WO2022002904A1

A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 µm or less and the total thickness (d2) of the separator is less than 250 µm. Also a method is disclosed wherewith such a separator may be prepared.

수소 생산을 위한 불활성 나트륨염의 핵 구동식 열수 분해

Absstract of: WO2025165987A1

Methods and systems for hydrogen production from inert sodium salts are described herein. In an example method, steam is generated by a nuclear reactor power plant system. The steam is applied to sodium formate to facilitate one or more thermal and/or hydrothermal decomposition processes, thereby generating hydrogen. In the example method, sodium formate is generated by combining sodium hydroxide generated by an electrolysis process with sodium carbonate and/or sodium bicarbonate generated by a carbon capture process. Embodiments can be used to supply hydrogen storage facilities and/or for energy production.

膜電極接合体の製造方法

Absstract of: WO2025053532A1

The present invention relates to a membrane electrode assembly manufacturing method comprising the steps of: (S1) forming a first catalyst layer on the other surface of a separation membrane having a first carrier film attached to one surface thereof; (S2) attaching a second carrier film to the other surface of the separation membrane on which the first catalyst layer is formed; (S3) removing the first carrier film attached to one surface of the separation membrane; and (S4) forming a second catalyst layer on one surface of the separation membrane from which the first carrier film is removed, wherein the second carrier film includes a first area corresponding to the first catalyst layer on the other surface of the separation membrane, and a second area, which is the remaining area that excludes the first area, and the second area of the second carrier film is coated with an adhesive on a surface facing the other surface of the separation membrane on which the first catalyst layer is formed.

水素生成用多相反応器

Absstract of: GB2632092A

A method of producing hydrogen is described. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, for example the hydrolysis of zinc in sodium hydroxide solution, which causes 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. Both the electrochemical and thermochemical reactions can be operated continuously.

バイオガス基盤の電気化学的水素抽出分離システム

Absstract of: WO2025071002A1

The present invention relates to a biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell, and a method for operating same. Specifically, the biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell is characterized by comprising: a fuel supply part for supplying biogas as fuel; a first reaction part for reforming the biogas supplied through the fuel supply part so as to generate a first reformed gas; a second reaction part for secondarily reforming the first reformed gas so as to generate a second reformed gas; a third reaction part for receiving the second reformed gas generated in the second reaction part and generating electricity; a fourth reaction part for receiving unreacted gas generated in the third reaction part and using the unreacted gas as fuel, and receiving steam generated in the third reaction part and generating hydrogen; and a power converter which receives the electricity generated in the third reaction part and supplies the electricity to the first reaction part and the fourth reaction part.

FOTOELEKTROKİMYASAL HİDROJEN ÜRETİMİ İÇİN CO VE CR KATKILI BİVO? YARI İLETKENİ

Absstract of: TR2026010714A2

Bu buluş; fotoelektrokimyasal hidrojen üretimi alanında, ulaşım sektörü, mobil uygulamalar ve yerleşik uygulamalarda kullanılabilecek hidrojen yakıtının üretimi amacıyla, bizmut vanadatın (BiVO?) fotoelektrokimyasal aktivitesinin artırılması için elektrokimyasal büyütme sırasında kobalt (Co) ve krom (Cr) ile birlikte katkılanması sonucu elde edilen Co ve Cr katkılı BiVO? yarı iletkeni ile ilgilidir.

ELECTROCHEMICAL PRODUCER FOR HYDROGEN OR CARBON MONOXIDE

Absstract of: US20260242957A1

0000 Herein discussed is an electrochemical reactor comprising a first electrode, wherein the first electrode is liquid when the reactor is in operation; a second electrode having a metallic phase and a ceramic phase, wherein the metallic phase is electronically conductive and wherein the ceramic phase is ionically conductive; and a membrane, wherein the membrane is positioned between the first and second electrodes and is in contact with the first and second electrodes, wherein the membrane is mixed conducting. Also discussed herein is a method of producing hydrogen or carbon monoxide comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the anode is liquid when the reactor is in operation and wherein the membrane is mixed conducting; (b) introducing a feedstock to the anode; (c) introducing a stream to the cathode, wherein the stream comprises water or carbon dioxide.

MEMBRANE ELECTROLYSER SUITABLE FOR ELECTROLYSIS OF WATER IN A BASIC MEDIUM

Absstract of: WO2026172325A1

The invention relates to an electrolyser for producing dihydrogen via a water electrolysis reaction in a basic medium, the electrolyser comprising a block (20) comprising: - N electrolysis cells (10) connected to one another between two electrode plates, i.e. an anode plate and a cathode plate, - a circuit for flow of fluid arranged to deliver water to the block of cells, and - a power supply (32) intended to deliver a current to the block of cells with a view to generating a water electrolysis reaction. The electrolyser also comprises: - a voltage generator (34) configured, when it is active, to apply a backup voltage (Ts) across the electrode plates of the block of cells and - a control means configured to activate the voltage generator (34) when it detects the power supply (32) has been interrupted.

ELECTROCHEMICAL CELL STACK

Absstract of: US20260242965A1

An electrochemical cell stack includes a plurality of cells separated from one another by bipolar plates. Each cell is formed from two half-cells between which a membrane is arranged. The support frame describes a stepped shape with two adjacent cross-section regions. An edge of the membrane lies in a step formed by the cross-section regions and the porous transport layer of a half-cell extends into the step. The support frame includes at least one sealing arrangement and an electrically insulating sealing material. The sealing arrangement includes three sealing regions each having at least one sealing lip. A first sealing region and a second sealing region are assigned to the narrower of the two cross-section regions facing the membrane. A third sealing region on a side of the support frame facing away from the step and borders an opening of the support frame.

METHODS AND SYSTEMS FOR SYNGAS PRODUCTION

Absstract of: WO2026173620A2

The reverse water-gas shift (RWGS) reaction, which is used to convert H2 and CO2 into syngas (H2+CO) is performed using nonstoichiometric metal oxides. The RWGS reaction is performed in two separate steps, achieving both high conversion and high energy efficiency. The reaction may be performed in a single reactor or in multiple reactors arranged in series or parallel. This could be powered either by heat generated by distributed energy sources, concentrated solar thermal (CST) heat, heat from traditional energy generation sources, and/or waste electrical power.

CONTROLLING AN ELECTROLYZING PLANT FOR PRODUCING HYDROGEN AND OXYGEN

Absstract of: AU2025229653A1

The invention relates to a method for controlling an electrolyzing plant (10), comprising: providing electric energy from an electric power network (32) with a network AC voltage; rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64); supplying water to the electrolyzing device (34, 36); providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network; measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal; comparing the voltage sensor signal with a first reference voltage value providing a comparing result; depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.

METHOD FOR OPERATING AN ELECTROLYZER, AND ELECTROLYZER

Absstract of: AU2025221792A1

The invention relates to a method for operating an electrolyzer (1) comprising an anode chamber (3) and a cathode chamber (5), in which water (H2O) is supplied as a reactant and hydrogen (H2) and oxygen (O2) are generated as product gases. On the anode side, the oxygen product gas, which also contains hydrogen as a foreign gas, is generated in a product flow out of the anode chamber (3) and is introduced into a horizontal anode-side collecting line (7) having a surrounding wall (11) and is removed via the collecting line (7), wherein water (H2O) is sprayed onto an inner surface of the surrounding wall (11) of the collecting line (7) so that the surrounding wall (11) is wetted with water and the inner surface is inerted. The invention additionally relates to an electrolyzer (1), in particular for carrying out the method.

METHANOL SYNTHESIS WITH HYDROGEN RECOVERY UNIT

Absstract of: US20260242313A1

0000 A methanol plant and a process for the production of methanol is provided. A hydrogen recovery section receives off-gas stream from the methanol synthesis section and outputs a hydrogen-rich stream, which is recycled upstream the methanol synthesis section.

再生可能エネルギーの間欠性を克服し、カーボンニュートラル燃料の生産、貯蔵および供給を可能とする海上プラットフォーム

Absstract of: KR102625221B1

The present invention relates to an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuels. According to the present invention, the offshore platform comprises: a main body located at sea; a hydrogen production unit disposed in the main body to produce and store hydrogen by electrolyzing seawater through a water electrolysis device; an ammonia production unit disposed in the main body and producing and storing ammonia by synthesizing the hydrogen flowing from the hydrogen production unit through a first synthesis device and nitrogen in the air; a carbon dioxide storage unit disposed in the main body and storing carbon dioxide flowing in from a ship; and a methanol production unit disposed in the main body to produce and store methanol by synthesizing the carbon dioxide flowing in from the carbon dioxide storage unit and the hydrogen flowing in from the hydrogen production unit through a second synthesis device.

METHOD FOR REGENERATING AN ELECTROLYSIS SYSTEM, AND ELECTROLYSIS SYSTEM

Absstract of: WO2026171830A1

The present invention relates to a method (100) for regenerating an electrolysis system (200). The method (100) comprises: - introducing (101) a hydrogen-containing regeneration fluid into a cathode chamber (203) of the electrolysis system (200), - reversing (103) an electrical polarity of a cathode (205) and anode (209) of the electrolysis system (200) compared to a normal operation for electrolysis, so that hydrogen present in the cathode chamber (203) is oxidized, and hydrogen is formed in an anode chamber (207) of the electrolysis system (200), and - flushing out (105) the cathode chamber (203).

AN AMMONIA PLANT AND A METHOD FOR CONTROLLING THE SAME

Absstract of: WO2026171654A1

An ammonia plant and a method for controlling the same at partial load, wherein the make-up gas for the synthesis of ammonia is produced from renewable power, wherein the plant includes an electrolysis section for the generation of hydrogen and a hydrogen storage, wherein a standby of the water electrolysis section is controlled by the amount of said renewable power and a standby of the ammonia synthesis loop is controlled by the amount of hydrogen contained in said hydrogen storage, and/or by the amount of renewable power available to the water electrolysis section.

WATER DECOMPOSITION USING ELECTRICITY AND HEAT IN COMBINATION

Absstract of: WO2026173104A1

Provided is a method for decomposing water so as to obtain a hydrogen gas and an oxygen gas, the method including: a step (A) for electrolyzing an alkali metal hydroxide aqueous solution containing halide ions so as to generate a hydrogen gas at a cathode and to generate halic acid ions at an anode; and a step (B) for thermally decomposing at least some of a compound selected from the group consisting of the halic acid ions generated in step (A) and halic acid salts generated from at least some of the halic acid ions.

A METHOD FOR PROVIDING THERMAL ENERGY TO A DIRECT AIR CAPTURE SYSTEM AND A CARBON CAPTURE SYSTEM

Absstract of: WO2026170256A1

The present disclosure relates to a method for providing thermal energy to a direct air capture system and a carbon capture system. The method for providing thermal energy to a direct air capture system comprises the steps of electrolysing H2O to split H2O into hydrogen and oxygen to produce a first waste heat; transferring the first waste heat to a first working fluid; passing the first working fluid through the direct air capture system to heat the sorbent; desorbing CO2 from the sorbent during heating; and evacuating the CO2 from the direct air capture system. The carbon capture system comprises a direct air capture system having a sorbent; an electrolyser adapted for electrolysing H2O and producing a first waste heat; a first fluid circuit; and a first fluid circuit pump connected to the first fluid circuit for pumping a first working fluid around the first fluid circuit.

A PROCESS AND A PLANT FOR THE PRODUCTION OF METHANOL

Absstract of: WO2026171707A1

A process for the production of e-methanol, including the steps of: producing a stream of hydrogen (311) from water electrolysis (302); converting said stream of hydrogen (311) and a CO2 containing stream (313) in a methanol converter of a methanol synthesis loop (300) producing a stream of crude methanol (314) and optionally a stream of purge gas (50); purifying said stream of crude methanol in a methanol distillation section (301) producing a stream of light ends (33) and a stream of fusel oil (80); the process includes the step of producing a POX effluent (106) by performing a partial oxidation (POX) process to one or more of the following POX feed streams: said stream of light ends (33); said stream of fusel oil (80); said stream of purge gas (50); the invention further discloses a plant for production of e-methanol, a method for controlling a methanol plant and a method for revamping a methanol plant.

AN AMMONIA PRODUCTION PLANT WITH HYDROGEN COMPRESSION

Absstract of: WO2026171584A1

A modular ammonia production plant with separate hydrogen compression is disclosed. The ammonia production plant comprises at least - a hydrogen production module comprising a hydrogen-containing substance inlet and a hydrogen outlet, - a nitrogen production module comprising an air inlet and a nitrogen outlet, - a hydrogen compression module comprising a primary hydrogen compressor and a nitrogen compression module comprising a nitrogen compressor or a joint compression module comprising a primary hydrogen compressor and a nitrogen compressor, the primary hydrogen compressor comprising a hydrogen inlet configured to be fluidly coupled to the hydrogen outlet of the hydrogen production module and a pressurized hydrogen outlet and the nitrogen compressor comprising a nitrogen inlet fluidly coupled to the nitrogen outlet of the nitrogen production module and a pressurized nitrogen outlet, - a merging station comprising a hydrogen inlet configured to be fluidly coupled to the pressurized hydrogen outlet of the primary hydrogen compressor, a nitrogen inlet configured to be fluidly coupled to the pressurized nitrogen outlet of the nitrogen compressor and a syngas outlet, the syngas containing hydrogen and nitrogen in a molar ratio 3:1, and - an ammonia synthesis module comprising: - an ammonia synthesis reactor comprising an inlet configured to be fluidly coupled to the syngas outlet of the merging station, and an ammonia-rich gas outlet; wherein the primary hydrogen compressor is

ELECTROLYTIC CELL, SEPARATOR, AND HYDROGEN PRODUCTION DEVICE

Absstract of: WO2026172460A1

Provided is an electrolytic cell that is used in a hydrogen production device for producing hydrogen from a conductive fluid which contains water, said electrolytic cell comprising: an ion exchange membrane which has a first main surface and a second main surface that is positioned oppositely from the first main surface in the thickness direction; an anode section which is disposed in contact with the first main surface and to which the conductive fluid is supplied; and a cathode section which is disposed in contact with the second main surface and which produces hydrogen from the water contained in the conductive fluid. The anode section and the cathode section each include: a separator which has a plate-shaped central section that is conductive and a plate-shaped outer peripheral section which surrounds the central section; and an electrode which is disposed between the central section and the ion exchange membrane so as to face the central section. Formed in the outer peripheral section of at least one of the anode section and the cathode section are: an opening through which the conductive fluid is supplied or which discharges the hydrogen; and a flow path which connects the opening and the central section. In the central section, a plurality of grooves connected to the flow path are formed with spacing therebetween in width direction. At least one recess is formed in an electrode facing surface, which is a surface of the central section that is positioned between the plu

ELECTROLYTIC CELL AND HYDROGEN PRODUCTION DEVICE

Absstract of: WO2026172458A1

This electrolytic cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. The electrolytic cell comprises an ion exchange membrane, a cathode, and an anode. Each of the cathode and the anode includes: a separator unit that includes a separator part including a central section and an outer peripheral section surrounding the outer periphery of the central section, and a spacer part sandwiched between the ion exchange membrane and the outer peripheral section; and an electrode that has an outer periphery surrounded by the spacer part. An exhaust opening is formed in the outer peripheral section included in the cathode. A supply opening and a discharge opening are formed in the outer peripheral section included in the anode. A first gap is formed between the outer peripheral surface of the electrode included in the cathode and the inner peripheral surface of the spacer part included in the cathode, or a second gap is formed between the outer peripheral surface of the electrode included in the anode and the inner peripheral surface of the spacer part included in the anode.

ELECTROLYTIC HYDROGEN PRODUCTION SYSTEM COUPLED WITH CAPTURING CARBON DIOXIDE FROM FLUE GAS

Absstract of: AU2025345105A1

An electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The system comprises an absorption device (1), an electrolytic hydrogen production device (2), a first gas-liquid separation device (3) and a second gas-liquid separation device (4). The electrolytic hydrogen production device (2) comprises an anode chamber (21), an intermediate chamber (22) and a cathode chamber (23), which are separated by anion exchange membranes (24). In addition, the present invention further relates to a method for using the electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The method comprises: absorbing carbon dioxide from flue gas by using the absorption device (1); allowing the obtained absorption liquid to enter the anode chamber (21), so as to obtain a carbon-dioxide-containing gas-liquid mixture; allowing the gas-liquid mixture to enter the first gas-liquid separation device (3) to undergo separation, so as to obtain carbon dioxide and a first separation liquid; allowing the first separation liquid to enter the intermediate chamber (22), so as to realize the regeneration of the absorbent under the action of ion exchange; and returning the regenerated absorbent to the absorption device (1) again to continue the absorption of carbon dioxide.

PROCESS FOR THE PREPARATION OF METHANOL

Absstract of: US20260242314A1

0000 Process for the preparation of methanol comprising the steps of (a) preparing a hydrogen feedstock by electrolysis (b) providing a carbon oxide feedstock in periods of operating the electrolysis in step (a) (c) mixing at least part of the hydrogen feed and carbon oxide source consisting of carbon monoxide and/or carbon dioxide feed to obtain a methanol synthesis gas; (d) adjusting the molar content of hydrogen, carbon monoxide and/or carbon dioxide from step (c) to a module M of (H2−CO2)/(CO2+CO) to between 1.9 and 2.2 (e) converting the methanol synthesis gas in one or more boiling water reactors to methanol; in periods without operating the electrolysis in step (a) (f) interrupting the converting of the methanol synthesis gas in the one or more boiling water reactors by heat exchange with boiling water, wherein in step (f) the one or more boiling water reactors are heated by one or more auxiliary heaters to maintain boiling of the water in the one or more boiling water reactors.

INTEGRATIVE SYSTEM FOR CENTRALISED OFFSHORE HYDROGEN PRODUCTION IN CONJUNCTION WITH A FLOATING GENERATION AND STORAGE UNIT

Absstract of: US20260243230A1

0000 The invention relates to a system for generating energy in open water, in which an offshore wind turbine is releasably connected to a marine vehicle, which includes a transformer device for converting into lower and/or higher electrical voltage, an electrolysis device for generating hydrogen, and a tank for storing the hydrogen. The invention advantageously provides for dynamic changes between the operating modes of storage and transmission, redundancy and maintainability.

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Absstract of: US20260242246A1

The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.

CERAMIC REVERSIBLE CELL, AND STEAM ELECTROLYSIS CELL, FUEL CELL AND AMMONIA-PRODUCING CO-ELECTROLYSIS CELL EACH INCLUDING THE SAME

Absstract of: US20260242958A1

0000 A ceramic reversible cell including any one or more selected from the group consisting of a perovskite-type metal oxide, a hydrate of the perovskite-type metal oxide and a hydride of the perovskite-type metal oxide, in which the any one or more selected from the group consisting of the perovskite-type metal oxide, the hydrate of the perovskite-type metal oxide, and the hydride of the perovskite-type metal oxide include A (A being any one or more selected from the group consisting of Ba, Sr and Ca), B (B being any one or more selected from the group consisting of Zr, Sn, Ce, Ti and Hf), and M (M being any one or more selected from the group consisting of In, Fe, Cr and Mn) as main metal atoms, and satisfy the predetermined formula and include hydride ions when brought into an equilibrium state by contact with dry hydrogen having a water content of 20 ppm or less in a volume ratio at 500° C. to 900° C.

ELECTROLYSIS CELL AND HYDROGEN PRODUCTION DEVICE

Absstract of: WO2026172459A1

This electrolysis cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. This electrolysis cell comprises an ion exchange membrane, a cathode part, and an anode part. Each of the cathode part and the anode part includes: a separator unit that includes a separator part including a central part and an outer peripheral part surrounding the outer periphery of the central part, and a spacer part sandwiched between the ion exchange membrane and the outer peripheral part; and an electrode having an outer periphery surrounded by the spacer part. An exhaust port is formed in the outer peripheral part included in the cathode part. A supply port and a discharge port are formed in the outer peripheral part included in the anode part. A first gap is formed between an outer peripheral surface of the electrode included in the cathode part and an inner peripheral surface of the spacer part included in the cathode part. A second gap is formed between an outer peripheral surface of the electrode included in the anode part and an inner peripheral surface of the spacer part included in the anode part. The sum of the widths of the first gaps is greater than the sum of the widths of the second gaps.

ELECTROLYSIS CELL AND HYDROGEN PRODUCTION DEVICE

Absstract of: WO2026172575A1

This electrolysis cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. The electrolysis cell comprises: an ion exchange membrane; an anode unit to which a conductive fluid is supplied; and a cathode unit that produces hydrogen from water contained in the conductive fluid. The anode unit includes: a separator including a conductive central section and an outer peripheral section; and an electrode disposed between the central section and the ion exchange membrane so as to face the central section. The outer peripheral section has formed therein: a first opening; and a plurality of supply flow paths which connect the first opening and the central section and through which the conductive fluid that was discharged from the first opening flows. The plurality of supply flow paths include: a first flow path having the shortest distance from the first opening to the point of connection with the central section; and a second flow path having the longest distance from the first opening to the point of connection with the central section. A first flow path length difference, which is the difference between the flow path length of the first flow path and the flow path length of the second flow path, is smaller than a first distance difference, which is the difference between the distance from the first opening to the point of connection of the first flow path with the central section and the distance from the first opening to the po

CARBON DIOXIDE CAPTURE USING AN APPARATUS INTEGRATED WITH AN ALKALINE ELECTROLYZER

Absstract of: WO2026172118A1

Over the past decade, the importance of green hydrogen production has grown exponentially as the world increasingly seeks to reduce its dependence on fossil fuels. Green hydrogen is hydrogen produced using renewable energy sources, such as solar and wind power, and thus offers a carbon-free alternative to conventional fossil-fuel-based hydrogen production. Alkaline electrolyzers play a central role in green hydrogen production. This technology is one of the oldest and most mature methods of hydrogen production via electrolysis. Alkaline electrolyzers split water into hydrogen and oxygen in a liquid alkaline medium, typically a solution of potassium hydroxide (KOH) or sodium hydroxide (NaOH). The invention relates to the capture of carbon dioxide using am apparatus integrated with such an alkaline electrolyzer.

METHOD AND SYSTEM

Absstract of: WO2026173101A1

The present invention relates to a method comprising: a step (A) for electrolyzing an alkali metal hydroxide aqueous solution which contains halide ions and which has a concentration of not less than 1 mol/L to produce hydrogen gas with a cathode and produce halogen acid ions with an anode; a step (B) for pyrolyzing at least some of a compound selected from the group consisting halogen acid ions produced in step (A) and a halogen acid salt produced from at least some of the halogen acid ions; and a step (C) for collecting, as an oxidizing agent, at least some of the halogen acid ions that were not pyrolyzed in the step (B).

WATER ELECTROLYSIS SYSTEM, METHOD FOR TAKING OUT ELECTROLYTIC CELL, AND ELECTROLYTIC CELL UNIT

Absstract of: WO2026173012A1

Provided is a water electrolysis system enabling mounting of a plurality of electrolytic cells while suppressing deterioration in maintainability.　The present invention provides a water electrolysis system comprising a water piping base, a product piping base, and an electrolytic cell unit. The electrolytic cell unit includes an electrolytic cell, a water piping part, a product piping part, and a support. The support is configured to unitize the electrolytic cell, the water piping part, and the product piping part. The water piping part is configured to be connected to the water piping base at a first connection part to constitute water piping through which water to be introduced into the electrolytic cell can circulate. The product piping part is configured to be connected to the product piping base at a second connection part to constitute product piping through which a fluid containing the product discharged from the electrolytic cell can circulate. The electrolytic cell unit is configured to be removable from the water electrolysis system.

Multifunktionselement für eine Elektrolysezelle einer Elektrolysevorrichtung, Verfahren zum Herstellen desselben und Elektrolysezelle

Absstract of: DE102025105819A1

Multifunktionselement (12c) für eine aus mehreren Zellstapelelementen (12) bestehende Elektrolysezelle (13) einer Elektrolysevorrichtung (10), bestehend aus einem Polymerschaum (22) und aus von dem Polymerschaum (22) auf-genommenen Metallpartikeln (24).

HYDROGEN GAS PRODUCTION METHOD AND HYDROGEN GAS PRODUCTION DEVICE

Absstract of: WO2026172697A1

The present invention provides a hydrogen gas production method and a hydrogen gas production device that make it possible to reduce the production cost of hydrogen gas and to efficiently produce hydrogen gas at a lower cost than in the past. Provided is a hydrogen gas production method that includes a decomposition step A for introducing ammonia into a decomposition tower (12) of an ammonia decomposition unit (10) to obtain a decomposed gas and a purification step B for separating residual ammonia and nitrogen gas from the decomposed gas at a purification unit (20A) to obtain purified hydrogen gas. The hydrogen gas production method is characterized by also including an ammonia heating step C for mixing off-gas that includes the residual ammonia and nitrogen gas separated from the decomposed gas at the purification step B with air, combusting the off-gas at a combustor (31) of an ammonia heating unit (30), and using the combustion heat of the combusted off-gas to heat the ammonia before the ammonia is introduced into the decomposition tower (12).

Hydrogen Supply System, Hydrogen Station, And Hydrogen Supply/Demand Management Method

Absstract of: AU2026210694A1

A hydrogen station 10 includes a water electrolysis device 12 that produces hydrogen gas by an electrolytic reaction consuming power supplied from a commercial power network 90, a compressor 14 that compresses the hydrogen gas produced by the water electrolysis device 12, an accumulator 16 that accumulates the hydrogen gas compressed by the compressor 14, a dispenser 18 that fills a fuel cell vehicle 92 with the hydrogen gas accumulated in the accumulator 16, and a control device 20 that controls a power consumption amount of the water electrolysis device 12 on the basis of a command for adjusting supply and demand of power of the commercial power network 90. ul u l

MEMBRANE ELECTRODE ASSEMBLY AND WATER-ELECTROLYSIS DEVICE

Absstract of: EP4793410A2

0001 To provide a membrane electrode assembly which is excellent in strength and is capable of reducing the electrolysis voltage when applied to a water electrolysis apparatus, and such a water electrolysis apparatus. 0002 The membrane electrode assembly of the present invention is a membrane electrode assembly for use in a water electrolysis apparatus, comprising an anode having a catalyst layer, a cathode having a catalyst layer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the polymer electrolyte membrane comprises a fluorinated polymer having ion exchange groups, and a woven fabric, the aperture ratio of the woven fabric is at least 50%, the denier number of warp yarns and the denier number of weft yarns, constituting the woven fabric, are each independently at least 2, a relation of Y≦240X-170 is satisfied, where the membrane thickness of the polymer electrolyte membrane is Y µm, and the ion exchange capacity of the fluorinated polymer is X meq/g dry resin, the membrane thickness Y of the polymer electrolyte membrane is at least 20 µm and at most 150 µm, and the density of the warp yarns and weft yarns constituting the woven fabric is at least 19.7 yarns/cm (50 yarns/inch).

セパレータおよびそれを含む電気化学セル

Absstract of: WO2025048510A1

The present invention relates to a separator in which an anode catalyst layer is coated on one surface of a porous substrate, and an electrochemical cell comprising same, the separator allowing ions to smoothly move through pores of the porous substrate and exhibiting low overpotential due to having the anode catalyst layer coated on one surface thereof.

ELECTROLYTIC REACTION SYSTEM

Absstract of: WO2025076572A1

The invention relates to an electrolytic reaction system (1) for producing process gases in the form of gaseous hydrogen and oxygen, comprising at least three electrode assemblies (2), each of which comprise a plurality of hollow cylindrical electrodes that are arranged coaxially to one another and are positioned one inside the other. At least three electrode assemblies (2) are uniformly distributed about a common central vertical axis (4), and a hollow cylindrical container wall (5) for receiving an electrolyte is provided for each electrode assembly (2). A cover element (7) is supported on the upper end face (6) of each of the container walls (5), and the cover element (7) has through-openings (8) which run in the vertical direction and which are designed to discharge process gases produced within the container walls (5). A collecting hood (9) is provided on the cover element (7) in order to combine process gases exiting the individual through-openings (8). An electromagnetic coil (10) which is designed in the form of a ring and comprises a central air core (11) is received by the cover element (7) or is mounted on the cover element (7) and is aligned such that the central vertical axis (4) of the at least three electrode assemblies (2) passes through the central air core (11).

陰イオン交換膜水電解用酸素発生酸化物触媒およびその製造方法

Absstract of: EP4741052A1

The present disclosure relates to an oxygen evolution reaction(OER) oxide catalyst for anion exchange membrane(MEM) water electrolysis doped with various metal atoms using a coprecipitation method, and a preparation method thereof.

HYDROGEN PRODUCTION SYSTEM LINKED WITH OUTPUT CONTROL OF NUCLEAR POWER PLANT AND CONTROL METHOD THEREOF

Absstract of: KR20260124681A

본 발명은 원자력 발전소의 출력제어와 연계된 수소 생산 시스템 및 그 제어 방법에 관한 것이다. 시스템은 전력계통 운영자로부터 원전 출력제어 정보를 획득하고, 원자력 발전소의 발전 전력과 소내 소비전력에 기초하여 수전해 장치에 공급 가능한 전환가능전력을 산정하며, 계통 접속점에서 측정되는 순송전 전력이 목표 송전 전력을 추종하도록 복수의 전해 스택군의 소비전력을 제어한다. 복수의 전해 스택군은 빠른 부하 추종을 담당하는 저온 전해 스택군과 원전 2차계통의 증기를 이용하는 고온 전해 스택군을 포함할 수 있다. 고온 전해 스택군은 감발 전력이 없는 동안 원전 추기증기로 핫 스탠바이 상태를 유지하고, 감발 전력이 발생하면 열적 정지 없이 전해전력을 공급받을 수 있다. 감발 전력의 고주파 변동 성분은 저온 전해 스택군에, 저주파 지속 성분은 고온 전해 스택군에 배분될 수 있고, 부하전환 중 전체 수전해 소비전력이 목표값을 유지하도록 중첩 제어될 수 있다. 이에 따라 원전의 안정운전, 계통 출력제어 이행, 수소 생산효율 및 고온 전해 스택의 열적 안정성을 함께 향상시킬 수 있다.

AMMONIA DECOMPOSITION CATALYST DEVICE, HYDROGEN PRODUCTION METHOD, AND AMMONIA COMBUSTION METHOD

Absstract of: EP4792933A1

0001 A purpose of the present invention is to provide an ammonia decomposition catalyst device with which a conversion of ammonia (NH<3>) can be improved. An ammonia decomposition catalyst device 100 for producing hydrogen (H<2>) through decomposition of ammonia (NH<3>) has a gas-flow upstream-side region 100a and a gas-flow downstream-side region 100b, in which a base density of the gas-flow downstream-side region 100b is a higher than that of the gas-flow upstream-side region 100a.

직접 현장 메탄올 생산을 위해 원자로 시스템으로부터의 과열 증기를 사용한 포름산나트륨 및 옥살산나트륨의 열분해

Absstract of: US20250243139A1

An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include at least one nuclear reactor and electrical power generation system configured to generate steam and electricity, a water treatment plant configured to produce Sodium Hydroxide (NaOH) from salt water, a Sodium Formate (HCOONa) production plant configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Thermal Decomposition reactor configured to receive the Sodium Formate (HCOONa) and configured to receive at least a first portion of the steam or at least a second portion of the electricity from the power plant to indirectly heat the Thermal Decomposition reactor to produce Hydrogen (H2), Carbon Dioxide (CO2), and Carbon Monoxide (CO) from the Sodium Formate (HCOONa), and a Methanol (CH3OH) reaction chamber configured to receive the Hydrogen (H2), the Carbon Dioxide (CO2), and the Carbon Monoxide (CO) to produce Methanol (CH3OH).

FLOW THROUGH ELECTRODE

Absstract of: WO2025078333A1

The present invention relates to an electrode (100) for electrolysis of electrolyte, said electrode comprising: first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte; a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte, said second porous layer (104) being arranged adjacent to the first porous layer (102), wherein the first porous layer (102) comprises Nickel.

NON-COATED AUSTENITIC STEEL SHEET FOR BIPOLAR PLATE FOR ALKALINE WATER ELECTROLYSIS

Absstract of: EP4793391A1

0001 According to the present invention, an uncoated austenitic steel sheet for an alkaline water electrolysis separator is provided, comprising, by wt%: C: more than 0% and 0.04% or less, Si: more than 0% and 0.4% or less, Mn: more than 0% and 0.5% or less, Cr: more than 0% and 2.0% or less, Ni: 33% to 40%, Co: more than 0% and 4.0% or less, the balance of Fe and other inevitable impurities, wherein a value of the following Formula (1) is 0.83 or less, a surface roughness Ra value is 0.07 µm to 0.25 µm, and corrosion resistance is excellent in an alkaline environment. 9.0 − 0.2495 × Ni + 0.9 × Cr − 0.005 × Co (wherein Ni, Cr and Co represent the content (wt%) of each element).

電極および電極の製造方法

Absstract of: WO2025033904A1

The present invention relates to an electrode and a method for manufacturing same, the electrode comprising: a nickel-containing metal substrate; a first sol-gel coating layer formed on at least one surface of the metal substrate; and a second sol-gel coating layer formed on the first sol-gel layer, wherein the first sol-gel coating layer and the second sol-gel coating layer each independently include nickel and iron. According to the present invention, the provided electrode for anion exchange membrane water electrolysis can implement improved electrochemical performance and has excellent durability.

光触媒、及びそれを用いた水素の製造方法

Absstract of: JP2026132816A

0001 【課題】水の分解による水素の生成に用いることのできる有用な光触媒を提供すること。 【解決手段】本発明は、下記一般式（１）で表す化合物と、遷移金属錯体化合物とを含んでなる光触媒である。下記一般式（１）中、各Ｒは、それぞれ独立に、鎖中にヘテロ原子を含んでもよい炭素数１～３０の炭素鎖等であり、各Ｒ<１>は、それぞれ独立に、カルバゾリル基等であり、ｐは、１～１０の整数であり、各ｍは、それぞれ独立に０～２の整数であり、各ｎは、それぞれ独立に０～２の整数である。 【選択図】なし

ハイポ亜リン酸ナトリウム置換および熱分解を利用したアルカリ水電解酸素発生反応用ニッケル系リン化物およびその製造方法

Absstract of: WO2025033986A1

The present invention relates to a method for preparing a nickel-based phosphide catalyst for an oxygen evolution reaction of an alkaline water electrolysis anode using sodium hypophosphite (NaH2PO2) substitution and pyrolysis.

アンモニアの熱改質によって水素を生成するためのプロセス及び装置

Absstract of: WO2025027031A1

The invention provides a process for producing hydrogen by thermal reforming of ammonia in an apparatus comprising an ammonia cracking reactor with a catalyst chamber and a staged combustion unit, wherein the catalyst chamber of the ammonia cracking reactor is heated indirectly by heat exchange with the hot flue gases from the staged combustion unit, comprising the steps of: a) incomplete combustion of a fuel comprising ammonia in the first stage of the staged combustion unit to generate a flue gas stream of elevated temperature T1 in the range of 750 to 2000°C, preferably in the range of 1200 to 2000°C; b) complete combustion of the fuel comprising ammonia in the second stage of the staged combustion unit to generate a flue gas stream of a temperature T3 that is less than T1; c) exchanging heat from the flue gas provided in step b) with the ammonia cracking reactor to raise the temperature in the catalyst chamber to a catalytic cracking temperature T2 in the range of 400 to 1000°C, more preferably in the range of 600 to 800°C; d) subjecting an ammonia stream in the heated ammonia cracking reactor of step c) to a catalytic ammonia-cracking step to yield a thermally cracked stream comprising hydrogen, and e) separating the thermally cracked stream into a reject gas stream and an enriched hydrogen stream and withdrawing the enriched hydrogen stream, wherein T3 is at least 50°C above T2 up to a maximum of 1600°C, and wherein T3 is at least 50°C below T1, and wherein the f

メタネーション方法及びシステム

Absstract of: WO2025032310A1

The present invention relates to a methanation method comprising providing an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) that has at least one electrolyser cell (11), at least one fuel input (14) through which fuel enters the electrolyser (10) and at least one offgas output (46) from which offgas exits the electrolyser (10), the method further comprising supplying fuel to the at least one fuel inlet, the fuel comprising at least water and either or both carbon dioxide and carbon monoxide, operating the electrolyser system (20) by powering the electrolyser cell (11) with electricity to electrolyse the fuel in the at least one electrolyser cell (11) such that a part of the water splits into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150 degrees C, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). The gas mixture can be released from the at least one offgas output (46) and then passed through a gas separation process to separate at least the methane from the gas mixture. The present invention also relates to an electrolyser system (20) configured to operate using the above method. The electrolyser system (20) comprises a fuel fluid flow path connecting a fuel inlet and a fuel outlet. The method may comprise providing to the fuel inlet a fuel gas containing water and a source of carbon selected from one or more of CO and CO2, operating the ele

一种制氢系统及其供电控制方法

Absstract of: CN122577325A

本发明公开了一种制氢系统及其供电控制方法，涉及新能源技术领域。制氢系统包括电解槽、空气加热器、水蒸气发生器、混合器、氢气冷旁通、主电源和备用电源，电解槽的供电输入端分别与主电源和备用电源连接，空气加热器的出气口与电解槽的阴极室进气口相连通，氢气冷旁通的氢气出口与混合器的第一进气口相连通，水蒸气发生器的蒸汽出口与混合器的第二进气口相连通，混合器的出气口与电解槽的阳极室进气口相连通；在控制电解槽的电解槽出口温度和电解槽电压分别达到并稳定在目标出口温度和目标电压后，开启主电源，使电解槽开始产氢，并获取电解槽的产氢量，以基于产氢量使用主电源或使用主电源和备用电源共同为制氢系统供电，直至电解槽终止产氢。

一种镍钴钼复合电催化剂、制备方法及其应用

Absstract of: CN122564629A

本发明公开了一种镍钴钼复合电催化剂、制备方法及其应用。该方法采用了简单的两步电沉积的方法，通过在泡沫镍上先后沉积钴和钼，形成复合结构，引入钼后，该催化剂表现出比商业催化剂(Pt/C)更低的过电位，在1 M KOH电解液中达到10 mA cm‑²电流密度仅需20 mV的过电位；并且在10 mA cm‑²电流密度下经过100小时的稳定性测试，电流衰减率仅为0.3%，在碱性电解水析氢反应中的具有优异的性能。本发明提供了一种价格低廉，简单且易制备的电解水析氢催化剂制备方法，为设计高效稳定的电催化析氢催化剂提供了新策略。

水素生成のための装置

Absstract of: JP2026527456A

0001 アンモニアから水素リッチガスを生成するための水素生成装置であって、内壁と、内部容積を画定する外壁とを備える第一のチャンバであって、前記第一のチャンバは、前記内壁と前記外壁との間に配置されたアンモニア分解触媒を含み、前記第一のチャンバは、１つ以上のアンモニアガス入口と１つ以上の未処理分解ガス出口とを有し、前記１つ以上のアンモニアガス入口及び前記１つ以上の未処理分解ガス出口は、前記アンモニアが前記１つ以上のアンモニアガス入口から前記１つ以上の未処理分解ガス出口まで前記第一のチャンバを通って流れ、前記アンモニア分解触媒に接触するように配置される、第一のチャンバと、前記アンモニア分解触媒を加熱するための１つ以上の熱源と、を備え、前記第一のチャンバは、１つ以上のフィンを有し、前記１つ以上のフィンは、前記第一のチャンバの前記内壁と前記外壁との間に配置される、装置。 【選択図】図１

Electrocatalyseurs pour la réaction d’évolution d’hydrogène

Absstract of: FR3172103A1

L’invention concerne un électrocatalyseur pour la réaction d’évolution d’hydrogène (HER), comprenant un support carboné conducteur, et un matériau catalytique disposé sur le support carboné conducteur, dans lequel le matériau catalytique comprend un complexe de nickel(II) répondant à la formule générale Chem. 4 suivante : Chem 4dans laquelle,R1 et R2 représentent chacun indépendamment un groupe phényle ayant optionnellement un ou plusieurs substituants R3 identiques ou différents, R3 est sélectionné parmi un halogène, un groupe hydroxy, groupe alkyle en C1-C4, un groupe alkoxy en C1-C4, un groupe thioalkyl en C1-C4, un groupe dialkylamino en C1-C4, un groupe cyano, un groupe CF3 et un groupe O-CF3.

EXTRACTION AND INTEGRATION OF WASTE HEAT FROM ENHANCED GEOLOGIC HYDROGEN PRODUCTION

Absstract of: US20260235020A1

0000 A method of producing hydrogen and sequestering carbon or sulfur includes generating a fluid including at least one of water, steam, hydrogen sulfide, carbon dioxide and heat as a byproduct of a surface facility and injecting the fluid into a subsurface formation. The subsurface formation can include a porous rock, in various forms of porosity such as intragranular, intergranular, fracture porosity. The method can further include heating the fluid to stimulate an exothermic reaction of the fluid with components of the subsurface rock formation and produce a hydrogen reaction product and one or more of sulfur minerals from the hydrogen sulfide or carbon minerals from the carbon dioxide. The fluid can be heated to between about 25° C. and about 500° C. The method can also include extracting the hydrogen produced from the reaction of the fluid with the subsurface rock formation and mineralizing sulfur or carbon in the porous rock.

SYSTEM AND METHOD FOR CONTROLLING HYDROGEN STACK CURRENT AND LOAD

Absstract of: US20260234820A1

0000 The present disclosure relates to systems and methods for controlling hydrogen stack power and load. The systems include at least one hydrogen stack, a pressure sensor, and a controller, wherein the controller is operable to increase or decrease the power to the at least one hydrogen stack in response to a change in pressure. The methods include generating hydrogen using at least one hydrogen stack, measuring the pressure of the generated hydrogen, and increasing or decreasing the power supplied to the at least one hydrogen stack in response to an increase or decrease in the pressure.

PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF

Absstract of: US20260234024A1

A process for process for preparing a metal hydroxide comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum. The process comprises: reacting a metal sulfate and/or a metal nitrate comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum with a base chosen from LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, or Ba(OH)2 and optionally a chelating agent in order to obtain a solid comprising the metal hydroxide and a liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2,separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, MgNO3, CaNO3, SrNO3 and BaNO3 to an electromembrane process for converting the least one of Li2SO4, Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, K2NO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2 into at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2; andreusing the at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2 obtained by the electromembrane process for reacting with the metal sulfate and/or the metal nitrate.

Methods to Reduce Combustion Time and Temperature in an Engine

Absstract of: US20260235084A1

0000 According to aspects of the disclosed subject matter, methods and apparatuses are provided to reduce combustion time and/or combustion temperature in an internal combustion engine. In an exemplary embodiment, intake air and oxygen-rich gas are introduced upstream of a turbofan, wherein the amount of oxygen rich gas provided to the internal combustion engine is controlled in a manner that is proportional to the engine speed.

RESPIRATION OF NANOPARTICLES BY ELECTROGENIC BACTERIA FOR PHOTO-CATALYTIC HYDROGEN EVOLUTION

Absstract of: US20260234673A1

A composition that produces hydrogen includes a nanoparticle or plurality of nanoparticles; an external source of electrons such as an electrogenic bacterium or a plurality of electrogenic bacteria and a carbon source; and an aqueous medium. The nanoparticles and the aqueous medium are combined in a mixture and, upon exposure to electromagnetic radiation with a wavelength in the absorption profile of the nanoparticles, the nanoparticles generate an electron that can reduce a proton in the aqueous medium. The source of electrons is capable of reducing the nanoparticles. The nanoparticles may comprise cadmium chalcogenide or water-soluble cadmium chalcogenide quantum dots. The nanoparticles may also comprise core-shell nanoparticles, nanorods; dot-in rods, Zn-based II-VI core quantum dots, and nanoplatelets including core-crown and core-shell nanoplatelets. The electrogenic bacterium or bacteria may comprise Shewanella oneidensis, a Geobacter species or any bacterium capable of extracellular electron transfer.

PREPARATION OF PHOSPHATE-MODIFIED CARBON QUANTUM DOT NICKEL-BASED CATALYST AND USE THEREOF IN ALKALINE SEAWATER ELECTROLYSIS

Absstract of: WO2026166566A1

Preparation of phosphate-modified carbon quantum dot nickel-based catalyst and use thereof in alkaline seawater electrolysis, belonging to the technical fields of electrocatalysis and hydrogen production by seawater electrolysis. The method of preparing the present phosphate-modified carbon quantum dot nickel-based catalyst comprises the following steps: mixing citric acid and urea in water to obtain a carbon quantum dot precursor solution; and mixing the carbon quantum dot precursor solution, phytic acid, and a nickel substrate, then allowing for the reaction thereof so as to obtain the phosphate-modified carbon quantum dot nickel-based catalyst. In the present invention, a phosphate-modified carbon quantum dot nickel-based catalyst is designed by introducing a composite modification layer of carbon quantum dots and phosphate onto the surface of a nickel substrate. The synergistic effect of PO4 groups and CDs in the catalyst markedly improves OER activity, thereby allowing the catalyst to exhibit excellent oxygen evolution reaction activity and long-term stability in alkaline seawater containing Br- and Cl-.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR CONTROLLING HYDROGEN PRODUCTION SYSTEM

Absstract of: AU2024424555A1

Provided is a hydrogen production system (100) which comprises: an electrolysis module (19) that supplies steam to a hydrogen electrode and produces hydrogen through steam electrolysis; a steam supply unit (20) that supplies steam to a hydrogen electrode (11); an air supply unit (70) that supplies air to an oxygen electrode (12); a hydrogen supply pipe (43) that supplies hydrogen to the oxygen electrode (12); a power supply unit (18) that supplies power to the electrolysis module (19); and a control device (80) that controls the hydrogen production system (100). The control device (80) controls the power supply unit (18) so as to start supplying power to the electrolysis module (19) in response to the temperature of the electrolysis module (19) exceeding Temp4 that is lower than the ignition temperature of hydrogen.

HYDROGEN PRODUCTION FACILITY AND METHOD

Absstract of: AU2025215475A1

A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.

PURIFICATION OF ELECTROLYTIC HYDROGEN

Absstract of: US20260233146A1

0000 The present invention relates to a process for purifying a hydrogen stream polluted with water, oxygen and possibly nitrogen, said process involving placing the hydrogen stream to be purified in contact with a zeolite-based adsorbent material comprising at least one metal chosen from the metals of columns 3 to 12 of the Periodic Table of the Elements, in zero-valent metal form, or in oxidized or reduced form, and recovering the purified hydrogen stream. 0000 The invention also relates to the use of a zeolite-based adsorbent material comprising at least one metal from columns 3 to 12 of the Periodic Table of the Elements for the purification of hydrogen, and to the use of the hydrogen thus purified in industrial processes.

HYDROGEN CARRIER MANUFACTURING SYSTEM, CONTROL APPARATUS, AND HYDROGEN CARRIER MANUFACTURING METHOD

Absstract of: US20260233991A1

0000 A hydrogen carrier manufacturing system includes a hydrogen manufacturing device configured to manufacture hydrogen by using power; a hydrogen tank configured to store the hydrogen manufactured by the hydrogen manufacturing device; and a plurality of hydrogen carrier manufacturing devices configured to convert the hydrogen stored in the hydrogen tank into different types of hydrogen carriers.

HYDROGEN PRODUCTION FACILITY AND METHOD

Absstract of: AU2025215031A1

Aspects of the present disclosure relate to a hydrogen production facility. The hydrogen production facility includes one or more electrolyser stacks to electrolyze water using an electrolyte and generate a hydrogen-aqueous solution mixture and an oxygen-aqueous solution mixture, the one or more electrolyser stacks comprising a plurality of membranes. The facility also includes a hydrogen separator to produce a flow of hydrogen from the hydrogen-aqueous solution mixture and an oxygen separator to produce a flow of oxygen from the oxygen-aqueous solution mixture. The hydrogen separator comprises a hydrogen gas-liquid separation device and a hydrogen coalescing device. The oxygen separator comprises an oxygen gas-liquid separation device and an oxygen coalescing device.

CATALYST FOR DECOMPOSITION OF AMMONIA, AND METHOD FOR DECOMPOSITION OF AMMONIA

Absstract of: US20260233204A1

0000 A catalyst for decomposition of ammonia and a method for decomposition of ammonia using the catalyst. The catalyst includes a carrier and a catalytically active components supported on the carrier, the catalytically active components including i) ruthenium (Ru) as a first metal; ii) a second metal; and iii) a third metal, wherein each of the second metal and the third metal is independently one or more selected from the group consisting of lanthanum (La), cerium (Ce), aluminum (Al), and zirconium (Zr), the amount of the first metal ruthenium is 0.1 to 1 part by weight, based on 100 parts by weight of the total catalyst, the porosity is 30 to 60%, and the median value of pore diameter is 50 to 200 μm.

WATER ELECTROLYSIS SYSTEM AND SYNTHETIC COMPOUND PRODUCTION SYSTEM

Absstract of: WO2026168071A1

This water electrolysis system comprises: a water separation tank that is connected to a water electrolysis cell stack and that stores water discharged therefrom; an external water supply path that supplies normal-temperature external water; a water circulation path that is provided with a water circulation pump, that is connected to the water separation tank and the external water supply path, and that circulates the water in the water separation tank via the external water supply path; an ion exchange resin provided on the downstream side of a part where the external water supply path merges with the water circulation path; a cooling unit that cools the water in the water circulation path so that the temperature of the water that merges with the external water and flows into the ion exchange resin, and has a temperature higher than normal temperature, falls below a prescribed ion exchange resin upper limit temperature; and a water supply path that serves as a path separate from the water circulation path, said water supply path being provided with a water supply pump, heating the water from the water separation tank through use of a heating unit, and supplying the heated water to the water electrolysis cell stack.

ELECTROLYSIS PLANT WITH MUTUALIZATION AND MODULARIZATION FOR HYDROGEN PRODUCTION

Absstract of: AU2025215616A1

A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.

ELECTROLYSIS SYSTEM AND CONTROL METHOD FOR ELECTROLYSIS SYSTEM

Absstract of: US20260234819A1

Provided is an electrolysis system including an electrolysis module; a water vapor supply system that supplies water vapor to a hydrogen electrode; a hydrogen recovery system that recovers hydrogen-enriched water vapor; an air supply system that supplies air to an oxygen electrode; an oxygen recovery system that recovers exhaust air; a hydrogen-enriched water vapor release system that releases hydrogen-enriched water vapor from the hydrogen recovery system into the atmosphere; an exhaust air release system that releases exhaust air from the oxygen recovery system into the atmosphere; a hydrogen-enriched water vapor discharge valve disposed in the hydrogen-enriched water vapor discharge system; and an exhaust air discharge valve disposed in the exhaust air discharge system, wherein the opening degrees of the hydrogen-enriched water vapor discharge valve and the exhaust air discharge valve are controlled to be adjustable when the electrolytic module is stopped.

A METHOD FOR HEATING UP ELECTROLYTIC UNITS OF AN ELECTROLYSIS PLANT AND A SYSTEM ASSOCIATED THEREWITH

Absstract of: AU2025216381A1

The disclosure refers to a computer-implemented method for heating up electrolytic units. The method comprises determining whether some electrolytic units of an electrolysis plant require heating up to have them at a temperature within a predetermined range in a future time span; controlling the electrolytic units to power them up based on first electric power available in a current time span; heating up the electrolytic units to have them at the temperature within the predetermined range in the at least one future time span; and repeating the steps such that the heating up is determined for one or more time spans that occur at the same time and/or later than the future time span, thereby repeatedly controlling the temperature of the electrolytic units to be at a temperature within the predetermined range in the future time spans.

METHOD FOR PRODUCING AN ELECTRODE HAVING A NOBLE METAL CATALYST FOR ALKALINE WATER ELECTROLYSIS

Absstract of: AU2025216225A1

A method is disclosed for producing an electrode (4) having a noble metal catalyst for alkaline water electrolysis. The method comprises: (S1) providing the electrode substrate (1); (S2) providing a matrix material (2) and a catalyst material (3) as starting materials for the coating; (S3) mixing the matrix material (2) and the catalyst material (3); and, (S4) coating the substrate (1) with the mixture of matrix material (2) and catalyst material (3) by means of high-velocity oxygen fuel spraying (HVOF). A correspondingly produced electrode (4), an electrochemical cell (10) comprising said electrode, and an electrolyser (20) are also specified.

ARRANGEMENT FOR GAS-LIQUID SEPARATION AND USE THEREOF

Absstract of: US20260234823A1

An arrangement for gas-liquid separation includes first and second gas separators for first and second gases, each having one vessel. The vessels have either the same or a different vessel volume, are in hydraulic communicating connection for a liquid via a connecting conduit and are at the same height. The operational configuration is such that a predefined standard fill level of the liquid is established when the pressure in the vessels is equal, and so a liquid volume is provided at the standard fill level, the vessel volume is composed of the liquid volume and the corresponding gas volume, and the liquid volume in the vessels is greater than the corresponding gas volume. A method of operating an electrolyzer, in particular in safe operation of an electrolysis plant with an electrolyzer for alkaline electrolysis, and an electrolysis plant, are also provided.

ELECTROLYSIS CELL SYSTEM AND METHOD FOR OPERATING THE SAME

Absstract of: US20260234821A1

Provided is an electrolysis cell system with energy efficiency improved. An electrolysis cell system (10) includes: an electrolysis cell (11) that has an anode and a cathode and generates hydrogen on the cathode and oxygen on the anode by electrolyzing steam supplied to the cathode; a supply line (20) that supplies air that controls the temperature of the electrolysis cell (11), to the electrolysis cell (11); an exhaust line (30) through which the air exhausted from the electrolysis cell (11) flows; a circulation line (40) that guides the air exhausted to the exhaust line (30), to the supply line (20); and a supply air temperature control heat exchanger (28) that controls the temperature of the air to be supplied to the electrolysis cell (11).

SYSTEM FOR PRODUCING COMPRESSED HYDROGEN

Absstract of: US20260234824A1

An electrolyser system (10) and a method of operating an electrolyser system (10), the electrolyser system (10) comprising an electrolyser (16) and a metal hydride or adsorption-desorption compressor (24), wherein the electrolyser (16) has at least one electrolyser cell with a steam input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolyser cell at the steam input (22), operating the electrolyser (16) to split part of the steam into hydrogen and oxygen in the at least one electrolyser cell, venting a mixture of the hydrogen and the remaining steam from the first side of the electrolyser cell at the at least one gas output (18), passing the mixture into the metal hydride or adsorption-desorption compressor (24), and cryo-adsorbing the hydrogen of the mixture in the metal hydride or adsorption-desorption compressor (24) to compress the hydrogen and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyser system (10) is connected

PROCESS FOR MANUFACTURING OXIDES

Absstract of: US20260234016A1

The present invention relates to a pyrogenic process for manufacturing metal oxides or metalloid oxides wherein a metal precursor and/or a metalloid precursor is introduced into a flame formed by burning a gas mixture comprising oxygen and hydrogen, wherein at least a part of the hydrogen has been obtained from electrolysis of water or an aqueous solution, using electrical energy, at least a part of which has been obtained from a renewable energy source, and wherein at least a part of the thermal energy of the flame is transferred to a first heat transmission medium by means of at least one exchanger, thereby heating the first heat transmission medium to a maximal temperature in the range between 8° and 150° C.

POWER-TO-HYDROGEN PLANT, CONTROL UNIT AND CONTROL METHOD THEREOF

Absstract of: US20260234822A1

0000 A control unit for a Power-to-Hydrogen (PtH) plant is provided. The control unit includes at least one model and is configured to: calculate maximum efficiency point tracking of the PtH plant by solving an objective function having a predetermined hydrogen production rate of the PtH plant or a predetermined amount of energy input to the PtH plant using the at least one model, wherein the control unit receives measured parameters indicative of status of components of the PtH plant as an input to the at least one model; determine one or more set points for a coordinated operation of the components of the PtH plant based on a solution obtained by solving the objective function; and provide the one or more set points to one or more of the components of the PtH plant to operate the PtH at the maximum efficiency point.

INTEGRATED PROCESSES FOR UTILIZING SYNTHESIZED AND STORED METHANOL

Absstract of: US20260234085A1

The present disclosure relates generally to integrated processes for the production, storage, and use of methanol. In one aspect, the present disclosure provides a process for producing a H2/CO stream, the process comprising for a first period of time, synthesizing methanol by hydrogenation of CO2, and decomposing a second feed stream including the methanol to form CO and H2; and for a second period of time, decomposing a third feed stream comprising stored methanol to form CO and H2. A synthesized methanol fraction of the second feed stream is substantially greater than a synthesized methanol fraction of the third feed stream.

POROUS WATER-SPLITTING ELECTRODE BASED ON SUPPORT COATED WITH CARBON NANONUBE ASSEMBLY, METHOD FOR MANUFACTURING SAME, AND WATER ELECTROLYSIS DEVICE INCLUDING SAME

Absstract of: US20260234815A1

0000 The present invention relates to a porous water-splitting electrode including a support coated with a carbon nanotube assembly and a catalytic active layer formed on the coated support; a method of manufacturing the same; and a water electrolysis device including the same.

APPARATUS FOR THE PRODUCTION OF HYDROGEN AND RELATED PROCESS

Absstract of: WO2026167518A1

Apparatus (100) for the production of hydrogen by means of electrolysis of water, comprising a central body (120) consisting of a refractory chamber and comprising: a first zone (101) comprising a burner; a second zone (102) directly connected with the first zone (101) and arranged downstream of the latter, provided with devices (111) for controlling the temperature of the combusted gas exiting from said first zone and for regulating and delivering a coolant; and a third zone (103), directly connected with the second zone (102), comprising a high-temperature solid oxide electrolytic cell (SOEC), said apparatus (100) further comprising: upstream of the central body (120) at least one supply line (104), (105) and (106) for respectively supplying at least one fuel; oxygen and a diluent, and directly connected with the third zone (103) of the central body: an outlet line (107), and (108) for hydrogen and any carbonaceous combusted gases; and oxygen.

RADIATOR AND HYDROGEN GENERATOR WITH HEAT DISSIPATION FUNCTION

Absstract of: US20260235369A1

A radiator includes a base, a tubular structure, a plurality of fins and a spiral structure. The base has a water input port and a water output port. The tubular structure is coupled to the base and is further connected with the water input port and the water output port. A spiral structure is arranged inside the tubular structure, or the inner surface of the tubular structure has a delay structure formed by a plurality of bumps for improving heat dissipation efficiency of water. The tubular structure runs through the plurality of fins. In addition, the radiator of the present invention is applied to a hydrogen generator. The base of the radiator is directly and integrally formed with the upper cover of the water tank of the hydrogen generator, and the assembly can be completed only by coupling the base to the tube, thereby reducing the assembly process.

FUEL CELL - ELECTROLYZER OR REVERSIBLE FUEL CELL SYSTEM AND METHODS OF OPERATING THEREOF WITH A REDUCED CARBON FOOTPRINT

Absstract of: US20260237702A1

0000 A power generation system includes an electrolyzer system configured to generate hydrogen using power received from a power grid, a hydrogen storage device configured to store generated hydrogen, a fuel cell system configured to generate power for a load using at least one of hydrogen received directly from the electrolyzer system, hydrogen received from the hydrogen storage device, or a hydrocarbon fuel received from a hydrocarbon fuel supply, and a controller configured to determine a CO<2 >per kWh power grid emission rate (GER) of a power grid electrically connected to the power system, and control operation of the fuel cell system and the electrolyzer system based on a comparison between the GER, a CO<2 >per kWh hydrocarbon fuel (e.g., natural gas) emission rate of the fuel cell system (NER), and a CO<2 >per kWh target emission rate (TER) that is less than the NER.

ELECTROCHEMICAL TWIN REACTOR

Absstract of: WO2026167416A1

The underlying invention is related to a device and a process for the direct production of an energy storing fluid from a reactant and an electrolyte in an electrochemical twin reactor, comprising a first reactor part which has at least one anode and an electrolyte for dissolving the reactant and a second reactor part which is comprising at least one further anode and a further electrolyte as a hydrogen source.

PROCESS FOR PREPARING METHANOL

Absstract of: WO2026167020A1

The invention relates to a method for preparing methanol, comprising the method steps of: a) acidifying seawater and heating same to at least 45°C, b) removing oxygen from the gas mixture obtained in step a) while preserving carbon dioxide, c) distilling some of the low-carbon-dioxide seawater remaining in step a) to obtain distilled water and brine, d) electrolysing the distilled water, e) obtaining acid and an alkaline residue from the brine, f) using the acid obtained in step e) to acidify the seawater in step a), g) recovering at least some of the waste heat produced in steps b) to e) and using same for heating the seawater in step a), h) synthesising methanol from the hydrogen from step d) and the carbon dioxide from step b) and separating the methanol from the product mixture.

MIXED CATALYST LAYERS FOR ELECTROLYTIC CELLS

Absstract of: US20260234818A1

0000 Systems, methods, and devices for enhancing catalyst layer performance in electrolytic cells are described. The enhanced catalyst layers include a catalyst mixture having catalyst particles and corrosion-resistant, conductive nanoparticles to optimize interfacial contact and reduce in-plane discontinuities even at low areal loadings of catalyst particles. For example, a catalyst layer includes a matrix with a homogenous mixture of catalyst particles and corrosion-resistant, conductive nanoparticles. The catalyst particles are configured to promote water electrolysis. The catalyst particles include iridium and have a high surface area. The corrosion-resistant, conductive nanoparticles are configured to resist oxidation, to reduce packing discontinuities of the catalyst particles, and to provide an electrically conductive bridge between the catalyst particles. The matrix is configured to support the catalyst particles and the corrosion-resistant, conductive nanoparticles.

KATALYSATORBESCHICHTETE MEMBRAN UND WASSERELEKTROLYSEZELLE

Absstract of: DE102025105318A1

Die Erfindung betrifft eine katalysatorbeschichtete Membran (100) mit einer Kathode (5a), einer Anode (5b) und einer zwischen der Kathode (5a) und der Anode (5b) liegenden lonomermembran (2), zur Anwendung in der Wasserelektrolyse, wobei die lonomermembran (2) eine erste Oberfläche (2a) und eine zweite Oberfläche (2b) aufweist und die erste Oberfläche (2a) eine erste aktive Fläche (3a) und die zweite Oberfläche (2b) eine zweite aktive Fläche (3b) aufweist, wobei die erste aktive Fläche (3a) und die zweite aktive Fläche (3b) jeweils mit einer Katalysatorschicht beschichtet sind; wobei die erste aktive Fläche (3a) von einer ersten passiven Fläche (4a) und die zweite aktive Fläche (3b) von einer zweiten passiven Fläche (4b) umgeben ist; die katalysatorbeschichtete Membran (100) ferner umfassend eine Folie (12), die einen Außenumfang (11) der lonomermembran (2) umgibt ohne mit der lonomermembran (2) zu überlappen, wobeia) wenn eine Schichtdicke der Folie (12) größer ist als eine Schichtdicke der lonomermembran (2), ein Unterschied der Schichtdicke der Folie (12) und der Schichtdicke der lonomermembran (2) in Schichtdickenrichtung (Z), senkrecht zur Schichtausdehnungsrichtung (XY), weniger als 50 µm, bevorzugt weniger als 30 µm, weiter bevorzugt weniger als 20 µm, noch weiter bevorzugt weniger als 10 µm und am meisten bevorzugt weniger als 5 µm beträgt undb) wenn die Schichtdicke der lonomermembran (2) größer ist als die Schichtdicke der Folie (12), ein Unt

HYDROGEN PRODUCTION VIA AMMONIA DECOMPOSITION ON WATER MICRODROPLETS

Absstract of: WO2026170113A1

A method for hydrogen production includes providing an aqueous solution comprising ammonia, generating a spray in a reaction chamber from the aqueous solution, the spray comprising water microdroplets, and collecting hydrogen from the reaction chamber produced via decomposition of the ammonia along a gas-liquid interface of the water microdroplets.

Method and apparatus for producing hydrogen from an ammonia feedstock

Absstract of: GB2703723A

A method of producing hydrogen may comprise, receiving an ammonia fuel source and an oxidised first form of a metal oxide at a first reactor 11, and reacting to produce a second form of the metal oxide. The second form of the metal oxide may be transferred to a second reactor 12 and reacted with a water supply to form hydrogen and a third form of the metal oxide. The third form the metal oxide may be transferred to a third reactor 13 and reacted with a supply of air and/or oxygen to produce the oxidised first form of the metal oxide, which is then transferred to the first reactor. The metal oxide may be circulated through the three reactors in a flow loop. The metal oxide is preferably iron oxide, where the first form is Fe2O3, the second form is Fe/Fex-σOy-σ, and the third form is Fe3O4. Figure 1

ZERO-CARBON GLASS KILN PROCESS

Absstract of: EP4790030A1

Provided is a zero-carbon glass furnace process, a system required for the process includes a photovoltaic power generation unit, an air separation unit, a water electrolysis hydrogen production unit, a mixer, a methanation unit, a first waste heat boiler, a reforming unit, a glass furnace, a second waste heat boiler, and a dedusting and desulfurization unit. The present disclosure adopts green electricity to produce green oxygen, green nitrogen and green hydrogen; flue gas of the glass furnace is circularly enriched into a high concentration of carbon dioxide (95.0v% or higher), which is methanized with green hydrogen to produce methane, and the methane is reformed with carbon dioxide and water vapor to produce carbon monoxide and hydrogen; the carbon monoxide and hydrogen are used as fuel of the glass furnace, the oxygen and carbon dioxide are mixed into carbon-based enriched oxygen as a combustion aid of the glass furnace, and the excess carbon dioxide is sold externally, achieving the purpose of green, energy-saving, almost nitrogen oxide-free and zero carbon.

水電解槽用の膜電極接合体

Absstract of: WO2025037092A1

A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.

多孔質酸化物材料及び電解触媒

Absstract of: WO2025012373A1

The invention relates to porous oxidic materials, which contain niobium and/or the heavy homolog thereof, tantalium, of oxidation number +5, and to the use thereof. The invention also relates to iridium-containing (electro-)catalysts, which comprise a porous oxidic group 5 element material, in particular a porous oxidic niobium(V)- and/or tantalium(V)-containing material. The invention further relates to the use of (electro-)catalysts of this type.

PROCESS FOR THE PRODUCTION OF ATOMIC HYDROGEN

Absstract of: EP4790015A1

0001 Die vorliegende Erfindung betrifft ein Verfahren zur Gewinnung von atomarem Wasserstoff aus einem Rohgas. Weiterhin wird atomarer Wasserstoff, erhältlich gemäß dem erfindungsgemäßen Verfahren bereitgestellt. Schließlich ist die vorliegende Erfindung auf ein Verfahren zur Herstellung von elementarem Metall aus einem Metalloxid mit Hilfe von atomarem Wasserstoff gerichtet.

METHOD FOR CONTROLLING WATER ELECTROLYSIS SYSTEM, AND WATER ELECTROLYSIS SYSTEM

Absstract of: EP4790170A1

A control device includes a step of determining a current command value to be applied to an electrolysis stack; and a step of determining a pure water adjustment amount command value for adjusting a pressure or/and a flow rate of water to be supplied to the electrolysis stack based on the current command value, and includes a step A of causing an actually measured value of the pressure or/and the flow rate to reach a second pure water adjustment amount command value (pure water adjustment amount command value w2) from a first pure water adjustment amount command value (pure water adjustment amount command value w1) before an actually measured value of a current applied from a power converter to the electrolysis stack reaches a second current command value (current command value c2) from a first current command value (current command value c1) when the current command value is changed from the first current command value to the second current command value that is a different value and the pure water adjustment amount command value is changed from the first pure water adjustment amount command value to the second pure water adjustment amount command value that is a different value.

TIGHTENING APPARATUS, ELECTROLYSER, METHOD OF CLOSING/OPENING ADJACENT ELECTROLYSIS CELLS, METHOD OF RETROACTIVELY APPLYING TIGHTENING APPARATUS

Absstract of: EP4534727A1

The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are to be closed each other and the second direction being an opposite direction to the first direction; at least one actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a spacer arranged between the pressure plate and the movable member.

TIGHTENING APPARATUS, ELECTROLYSER, METHOD OF CLOSING/OPENING ADJACENT ELECTROLYSIS CELLS, METHOD OF RETROACTIVELY APPLYING TIGHTENING APPARATUS

Absstract of: EP4534726A1

0001 The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are closed each other and the second direction being an opposite direction to the first direction; at least one main actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a sub-actuator configured to move the pressure plate selectively in the first and second directions with respect to the moveable member.

MULTILAYER RESIN PIPE, WATER ELECTROLYSIS SYSTEM, AND HYDROGEN TRANSFER METHOD

Absstract of: EP4790295A1

0001 Provided is a multilayer resin pipe suitable for use in a water electrolysis system operating at high voltage, a water electrolysis system including the multilayer resin pipe, and a method of transporting hydrogen using the multilayer resin pipe. The multilayer resin pipe includes an electrically insulating main pipe, an electrically insulating pressure-resistant layer covering an outer surface of the main pipe, an electrically insulating gas barrier layer covering an inner surface of the main pipe, and an electrically insulating elution-suppressing layer covering an inner surface of the gas barrier layer.

用于氢气/氧气生产中水分解的零间隙无膜电解槽及相关方法

Absstract of: WO2025080121A2

The present invention discloses an electrolyser for water splitting in hydrogen/oxygen production and methods thereof. The electrolyser comprises a first electrode plate (100) coated with a first catalyst comprising a first ion transfer opening (101) formed therethrough along a first lateral axis of the first electrode plate (100); a second electrode plate (200) coated with a second catalyst comprising a second ion transfer opening (201) formed therethrough along a second lateral axis of the second electrode plate (200); and an electrically insulative adhesive layer (300) configured for securing together the first electrode plate (100) and the second electrode plate (200) in a face-to-face manner or a back-to-face manner, forming separate compartments each for a hydrogen gas and an oxygen gas resulting from the water splitting that provide immunity against any mixing of the hydrogen gas and the oxygen gas at any level of an electrical power supply.

一种过渡金属单原子多孔碳基贵金属催化剂的制备方法及应用

Absstract of: CN122543083A

0001 本申请涉及电解水制氢领域，并提供了一种过渡金属单原子多孔碳基贵金属催化剂的制备方法及应用，方法包括：制备过渡金属掺杂ZIF‑8前驱体；向过渡金属掺杂ZIF‑8前驱体中加入模板剂的醇水溶液，研磨并干燥，经热解处理，冷却，经水洗、抽滤，制得富含介孔的过渡金属‑氮‑碳复合材料；将富含介孔的过渡金属‑氮‑碳复合材料与氨气源前驱体混合，于惰性气氛下进行热解处理，制得富含微孔和介孔的过渡金属‑氮‑碳复合材料；采用化学气相沉积法，得到过渡金属单原子多孔碳基贵金属催化剂。上述的制备方法，克服现有阴离子交换膜电解水阴极催化剂在高电流密度下存在的活性位点易团聚失活、气泡排阻严重以及三相界面传质极化高的问题。

一种固体产氢颗粒及其在植物抗旱中的应用方法

Absstract of: CN122540802A

0001 本发明公开了一种固体产氢颗粒及其在植物抗旱中的应用方法，属于农业抗旱技术领域；该固体产氢颗粒由产氢核芯和速溶控释包膜层组成，产氢核芯含供氢剂、促渗分散剂、粘结剂和产氢速率调节剂，包膜层含聚乙烯醇、聚乙二醇、海藻酸钠和叶面亲和改性剂；应用时将颗粒按比例溶于灌溉水中，搅拌即形成高浓度富氢水喷施液，立即喷施于植物叶片；本发明的颗粒专为叶面喷施设计，实现即溶即用，喷施液具有良好的叶面铺展和滞留性能，氢气叶片吸收率高，抗旱效果显著优于传统富氢水喷施和固体产氢材料埋土施用方式，操作简便，易于大面积推广。

一种IrRu/TiON酸性析氧反应电催化剂的制备方法和应用

Absstract of: CN122543093A

本发明涉及电解水领域，公开了一种IrRu/TiON酸性析氧反应电催化剂的制备方法和应用。本发明IrRu/TiON酸性析氧反应电催化剂的制备方法包括：1）TiON多孔纳米带的制备：TiO2、NaOH和表面活性剂经水热反应制得钛酸钠纳米带；将钛酸钠纳米带分散于酸溶液中经离子交换反应得到氢钛酸纳米带；将氢钛酸纳米带置于氮气气氛中氮化，得到TiON多孔纳米带；2）IrRu/TiON酸性析氧反应电催化剂的制备：将Ir前驱体和Ru前驱体分散于多元醇中，加入TiON多孔纳米带，经还原反应，得到IrRu/TiON酸性析氧反应电催化剂。本发明通过优化制备方法制得了得到催化活性更好、稳定性更好的IrRu/TiON酸性析氧反应电催化剂，可将其应用于质子交换膜水电解中。

一种基于In掺杂诱导各向异性晶格畸变的ZnO基压电催化材料及其制备方法与应用

Absstract of: CN122538098A

0001 本发明公开了一种基于In掺杂诱导各向异性晶格畸变的ZnO基压电催化材料及其制备方法与应用，涉及压电催化与功能氧化物材料技术领域。本发明通过适量In掺杂提高ZnO的压电催化性能。具体地，In<3+>取代Zn<2+>进入ZnO晶格形成固溶体，由于In<3+>离子半径大于Zn<2+>，引起晶格畸变；该畸变在晶体内部形成局域应变场，并在c轴方向表现出各向异性增强；在机械振动作用下，该结构更易产生较高的压电极化电势；增强的压电势促进电子‑空穴对分离并抑制复合；同时，In掺杂提供施主能级，提高材料导电性；二者协同作用显著提升材料压电催化效率。

一种用于酸性析氧反应的钌基核壳催化剂及其制备方法制法与应用

Absstract of: CN122543092A

0001 本发明公开了一种用于酸性析氧反应的钌基核壳催化剂及其制备方法与应用。所述制备方法包括：使包含六亚甲基四胺、聚氧丙烯聚氧乙烯共聚物、金属源、水和乙二醇的混合反应体系进行水热反应，制得金属有机物；其中，所述金属源包括钌盐及钴盐；以及，对所述金属有机物进行煅烧处理，制得用于酸性析氧反应的钌基核壳催化剂。本发明提供的催化剂能够维持高的催化活性和优异稳定性，能够实现酸性环境下的电催化析氧反应。

一种镍铁基催化电极及其制备方法和应用

Absstract of: CN122543100A

本发明公开了一种镍铁基催化电极及其制备方法和应用，属于析氧催化电极技术领域。本发明将泡沫镍采用HCl溶液超声清洗、洗涤、干燥得到预处理泡沫镍；将预处理泡沫镍浸泡于FeCl3溶液中，然后取出洗涤、干燥得到NiFe LDH催化电极；将NiFe LDH催化电极浸泡于NaBH4溶液中，然后取出洗涤、干燥得到NiFe LDH@NiFeB复合催化电极。本发明通过浸渍腐蚀结合还原在电极表面得到NiFe基两相催化电极，LDH具有较大的比表面积，活性位点多，能加快活性物质的吸附与转化，而原位还原得到的NiFe B合金具有较高的电导率，能降低界面电阻，加快电子传输，提高电极导电性，优化电极析氧性能；同时由于NiFeB合金与NiFe LDH间存在的费米能级差异，促进内建电场的产生，加快电子定向迁移，助力提升析氧性能。

一种海水电解析氢电极及其制备方法与应用

Absstract of: CN122543082A

本发明属于海水电解制氢技术领域，具体涉及一种海水电解析氢电极及其制备方法与应用。所述电极包括基底和包覆在基底表面的催化剂层；所述催化剂层由硼氧化物和氮化钼酸钴组成，所述硼氧化物负载在氮化钼酸钴表面，所述氮化钼酸钴中，氮掺杂在钼酸钴的晶格内。本发明电极N掺杂进了CoMoO4的晶格之中，B以氧化物的形式均匀负载于CoMoN的表面，二者协同调控Co的电子结构使其位于一个有助于H2O分子解离的最优态。同时，B与N通过捕获‑转移机制实现了对界面pH的动态调控，使得阴极催化HER的过程中局部的pH始终稳定在9以下，抑制了钙镁氢氧化物的沉积。

钨掺杂钒酸铋单晶电极及其制备方法

Absstract of: CN122543095A

0001 本发明涉及光电化学领域，公开了一种钨掺杂钒酸铋单晶电极及其制备方法，其中，单晶电极包括：绝缘支撑衬底；设置在绝缘支撑衬底之上指定区域的导电层；贴合在导电层之上的钨掺杂钒酸铋单晶层；钨掺杂钒酸铋单晶层的表面粗糙度Sa为0.5 nm~5.0 nm，厚度为0.2mm~1mm；钨掺杂钒酸铋单晶层的周边使用绝缘防水材料进行封装，并且绝缘防水材料覆盖所述导电层的外露区域。本发明可以提高单晶电极的化学稳定性和光分解水能力。

一种镍钽合金催化电极及其制备方法与应用

Absstract of: CN122543077A

0001 本发明涉及催化电极材料制备技术领域，具体是一种镍钽合金催化电极及其制备方法与应用，首先将镍源、钽源粉末与铝粉混合均匀，并在模具中压制成型，将成型后的坯体置于气氛炉或真空炉中进行烧结处理，烧结温度400~800℃，保温时间1~4 h，冷却后得到镍钽合金催化电极。本发明通过高温烧结工艺在镍骨架上形成Ni<3>Ta合金催化相，制备出具有三维多孔结构的镍钽合金催化电极，Ni<3>Ta合金催化相优化了氢原子吸附与转化动力学，提升了电极催化活性。本发明无需复杂设备或贵金属负载，适合规模化生产，制备的镍钽合金催化电极兼具优异的催化活性、出色的渗透性能和良好的大电流稳定性，有望攻克现有碱水电解技术中电极材料催化活性与耐久性难以平衡的技术瓶颈。

一种水电解复合催化剂及其制备方法和应用

Absstract of: CN122543105A

0001 本发明公开了一种水电解复合催化剂及其制备方法和应用，属于电解水制氢及电催化技术领域。本发明将磺酸基团的Grotthuss质子穿梭功能引入氧化钛负载金属铱纳米颗粒催化剂体系，从传质动力学、结构稳定性和本征活性三个维度同步提升了催化剂的综合性能，解决了传统氧化物载体催化剂在质子传导和局部酸性积累方面的技术瓶颈。本发明为低铱、高效、长寿命PEM电解水阳极催化剂的设计提供了新思路，对于推动质子交换膜电解水制氢技术的规模化应用、降低绿氢制备成本、助力实现碳中和目标具有重要的科学意义和工程应用价值。

一种面向波动直流输入的模块化海水电解制氢系统

Absstract of: CN122553097A

本发明公开了一种面向波动直流输入的模块化海水电解制氢系统，涉及新能源技术领域，具体为一种面向波动直流输入的模块化海水电解制氢系统，该系统包括风电接入与整流模块、直流母线分配网络、模块化电解反应单元阵列、海水预处理与供给子系统、气液分离与纯化模块、热能回收与管理模块及智能监测与控制中枢。通过各模块协同工作，实现利用海上风电直接电解海水制氢。系统采用模块化设计，便于维护与扩展，并集成防腐防污涂层施加模块以延长设备寿命。智能监测与控制中枢可动态调节工作状态，确保系统高效稳定运行，有效解决了海上风电消纳与绿氢制备问题。

一种电解水制氢纯化系统脱氧器的防超温控制方法及系统

Absstract of: CN122543111A

本发明涉及电解工艺控制技术领域，尤其涉及一种电解水制氢纯化系统脱氧器的防超温控制方法及系统；该方法包括：获取电解槽运行状态监测数据与脱氧器入口的氧含量监测数据。依据预置的扰动参数阈值集合对电解槽运行状态监测数据执行逻辑判断计算，得到前馈控制信号。依据预置的第一氧含量阈值对氧含量监测数据执行偏差计算与反馈控制算法计算，得到与预设阈值相关的反馈控制信号。根据前馈控制信号与反馈控制信号，执行控制逻辑运算，生成控制指令。通过这样的方式，解决了现有脱氧器温度控制技术存在的响应滞后的技术问题，提升了碱性电解水制氢系统在复杂运行工况下的控制品质、设备安全性与运行可靠性。

一种应用在高浓度碱性电解水所用的亲水微孔聚合物膜及其制备方法

Absstract of: CN122543106A

0001 本发明属于离子交换膜技术领域，公开了一种应用在高浓度碱性电解水所用的亲水微孔聚合物膜及其制备方法。本发明通过合理调节主链中B<1>和螺环双茚部分的比例，提高亲水基团密度来增加微孔的亲水性，制备系列离子交换膜材料，可为氢氧根离子在膜内传导提供快速传递通道。本发明提供的刚性、高自由体积阴离子交换膜具有高电导率、耐溶胀，耐碱稳定性的特点，同时表现出十分优异的单电池性能，因此在碱性电解池领域具有广阔的应用前景。

수소 제조 장치 및 방법

Absstract of: EP4570745A1

The present disclosure relates to apparatuses for producing hydrogen, and to top-down methods for producing nanoparticles. Different mechanical mills may be used to break down micron sized soil or sand particles and to react the particles with water, particularly sea water.

一种分步光解水制氢制氧的方法

Absstract of: CN122540801A

0001 本发明公开了一种分步光解水制氢制氧的方法，包括：将氧化剂和光催化剂分散在水与第一有机溶剂组成的混合溶剂中，得到水氧化产氧反应体系，进行可见光照射，水发生氧化反应产生氧气，同时以水为质子源，使氧化剂还原为富氢的还原剂，对还原剂和光催化剂进行分离回收，并分散在第二有机溶剂中，得到产氢反应体系，进行可见光照射，使富氢的还原剂释放氢以产生氢气，同时还原剂被氧化为氧化剂。本发明通过构建稳定、可再生且易分离回收的有机氧化还原介质的可逆氧化还原循环，分别耦合水氧化产氧反应与完全来源于水的质子还原产氢反应，使产氧反应与产氢反应在不同反应阶段分步进行，从而实现产氧与产氢过程的时空解耦及高量子效率分步进行。

一种碱性电解槽电极性能快速检测装置及方法

Absstract of: CN122543112A

0001 本发明涉及电解水制氢技术领域，公开了一种碱性电解槽电极性能快速检测装置及方法，包括：电解槽，电解槽内通过双极板分隔形成多个串联的电解小室，电解小室内设置有阴极电极和阳极电极，阴极电极和阳极电极与恒流稳压电源电连接；多路电压采集模块，用于采集电解小室的单室电压；碱液循环模块，与电解槽以及气液分离器连通，碱液循环模块用于将碱性电解液、氧气与氢气的混合物输送至气液分离器，气液分离器将氢气和氧气分离后，碱液循环模块将碱性电解液输送至电解槽形成回路。本发明将多个电解小室串联在同一电解槽内，使各个待测电极能够在相同电流、温度、碱性电解液循环和液位条件下进行对比检测。

一种CuCoxGa1-xO2固溶体催化剂及其制备方法和应用

Absstract of: CN122538094A

0001 本发明公开了一种CuCoGa<1‑x>O<2>固溶体催化剂及其制备方法和应用，属于金属氧化物领域，所述从催化剂为连续固溶体，x为钴元素的原子分数，0

一种Ru@Cl-C催化剂的制备及应用

Absstract of: CN122543086A

0001 本发明提供一种Ru@Cl‑C催化剂的制备及应用，首先以杨木和PVC为原料，混合后共热解处理，得到氯掺杂碳前驱体；而后采用碱进行活化处理，进一步优化碳载体的比表面积、孔道分布及表面活性位点，经洗涤、干燥后得到氯掺杂活性炭载体；最后将钌源前驱体与活化后的Cl‑C载体混合，通过水热煅烧工艺实现钌活性组分的均匀负载，经后续后处理得到Ru@Cl‑C催化剂；将制备得到的Ru@Cl‑C催化剂应用于电解水制氢反应中，可充分发挥Cl掺杂的电子调控作用与Ru活性组分的催化性能，显著提升反应效率。本发明制备工艺设计合理、绿色环保，为高效电解水制氢催化剂的制备提供切实可行的技术方案。

一种用于电解水析氧的Bi基异质结催化剂及其制备方法

Absstract of: CN122543096A

0001 本发明涉及催化剂制备技术领域，具体涉及一种用于电解水析氧的Bi基异质结催化剂及其制备方法。一种用于电解水析氧的Bi基异质结催化剂的制备方法，包括：Bi‑MOF前驱体的制备、Bi基异质结催化剂的制备。本发明以MOF为前驱体，利用硝酸铋、硫脲及2‑甲基咪唑在甲醇溶液中进行一步法合成，获得高比表面积和均匀掺杂的Bi<2>S<3>前驱体。随后，通过Te粉碲化工艺，原位构建Bi<2>S<3>/Bi<2>Te<3>多相异质结构催化剂。

一种基于阴阳离子修饰的双功能异质结电解水催化剂及其制备和应用

Absstract of: CN122543102A

本发明属于电催化材料与电解水技术领域，具体涉及一种基于阴阳离子修饰的双功能异质结电解水催化剂及其制备和应用。以镍盐、钴盐、氟化铵和尿素为原料，预处理干净的泡沫镍为基底，在聚四氟乙烯内衬不锈钢反应釜中，水热反应获得前驱体NiCo‑LDH@NF；接着以尿素为氮源，前驱体NiCo‑LDH@NF置于管式炉下游，氮化处理获得异质结NiCoO/CoN@NF；然后浸渍到0.1~10mmol的硝酸铬溶液并保持1~10min，自然干燥后得到阴阳离子修饰的异质结催化剂NiCoO/CoN@NF‑CrNO，其双功能催化活性显著提升，并且稳定性优异，能够良好的应用在电解槽阴阳极或AEM器件中。

一种单原子稀土-钌共掺杂氮化碳纳米管、制备方法及其在光催化产氢中的应用

Absstract of: CN122538200A

本发明公开了一种单原子稀土‑钌共掺杂氮化碳纳米管、制备方法及其在光催化产氢中的应用，该稀土‑钌共掺杂氮化碳纳米管通过先以三聚氰胺为前驱体，经水热反应、冷冻干燥及高温煅烧制得氮化碳纳米管，再经稀土掺杂与钌单原子负载而制成。该材料以七嗪环为构筑单元形成层状堆叠结构，具有三维纳米管形貌，稀土与钌均以单原子形态均匀分布于层间及表面。稀土掺杂可调控能带结构、抑制光生载流子复合，钌单原子提供高效析氢活性中心，二者构建电子结构调控与位点催化协同体系。作为催化剂兼具优异光催化产氢性能与重复循环利用性能。本发明制备工艺简单温和、可控性及重复性好，适配多种稀土元素，易于规模化制备，可广泛用于光催化分解水产氢领域。

一种形貌可控的铁镍氧化物催化电极及其制备方法

Absstract of: CN122542992A

本发明涉及铁镍催化电极制备技术领域，本发明公开了一种形貌可控的铁镍氧化物催化电极及其制备方法，通过磁控溅射在镍基体上掺杂元素，随后通过碱液浸泡去除掺杂元素，在镍基体上制备得到铁镍氧化物纳米片；纳米片的形貌可控，通过控制掺杂元素的磁控溅射电流密度，即可控制铁镍氧化物纳米片的尺寸大小，进而调控制备得到的铁镍氧化物电极的比表面积和电学性能；使得铁镍氧化物电极的性能能够得以优化提升。本发明的制备方法制备得到的铁镍氧化物电极表面具有厚度为50nm‑300nm的铁镍氧化物纳米层，在100mA/cm2电流密度下的过电位仅为292mV，且运行24h不发生明显衰减，具有优异而稳定的电性能；适宜推广应用。

一种用于电解海水制氢的Co-Te-Cr催化材料

Absstract of: CN122543103A

本发明公开了一种用于电解海水制氢的Co‑Te‑Cr催化材料，其采用如下方法制备得到，具体为：以导电基体作为阴极、以石墨片作为阳极，采用恒电流电沉积法在电镀水溶液中进行电沉积，电沉积后，得到Co‑Te‑Cr催化材料；所述Co‑Te‑Cr催化材料包括导电基体以及电沉积在导电基体表面的Co‑Te‑Cr活性层；所述Co‑Te‑Cr活性层由Co‑Te‑Cr纳米片堆积而成。本发明方法制得的Co‑Te‑Cr化材料应用在尿素阳极氧化反应过程中具有良好的催化活性，能够大幅降低尿素阳极氧化反应的能垒，从而实现低能耗海水电解制氢。

一种基于Fe2O3的析氢催化剂的制备方法

Absstract of: CN122543097A

本发明公开了一种基于Fe2O3的析氢催化剂的制备方法。包括以下步骤：按照质量比为1：1~5分别称取LFPO和Glc·H2O，将二者置于玛瑙研钵中研磨5~20 min，形成一混合物，随后将得到的混合物置于马弗炉中，在空气氛围中于500 ℃~900℃下煅烧0.5~4 h，即得到一种含Li3Fe2(PO4)3、Fe2O3和C的HER析氢催化剂。I‑t 曲线测试表明，在测试时间达到10小时时，所制备的催化剂的HER催化性能明显高于商业铂碳的性能，这说明，这种不含贵金属的催化剂具有优良的析氢性能。本发明制备工艺简单，成本低廉，适合规模化商业生产。

一种稀土掺杂IrOx电催化剂及其制备方法和应用

Absstract of: CN122543094A

本申请涉及电催化剂技术领域，公开了一种稀土掺杂IrOx电催化剂及其制备方法和应用。所述稀土掺杂IrOx电催化剂，其为具有三维多孔结构的固溶体氧化物MaIrbOx；其中，M为镧系稀土金属；a为M的摩尔数，b为Ir的摩尔数，且a:b=(0~0.7):(0.3~1)。本申请基于无机盐硬模板法，通过将多种金属前驱体均匀包覆在无机盐晶粒表面，经退火形成均匀的氧化物，进而得到具有三维分级多孔的形貌的电催化剂；本申请的稀土‑铱固溶体氧化物电催化剂呈三维多孔结构，具有三维空间传质优势和高比表面积的结构特点，赋予其高电催化活性；引入的合金化效应、无定形结构及丰富的缺陷位点赋予材料极高的电催化活性，使得电催化分解水产氧的性能显著提高。

一种用于质子膜水电解制氢的热交换系统

Absstract of: CN122544552A

本发明公开了一种用于质子膜水电解制氢的热交换系统，包括冷源供给设备；氢气分离系统；氧气分离系统；冷源供给设备通过管道同时为氢气分离系统和氧气分离系统提供冷源介质，且冷源介质分别经过氢气分离系统和氧气分离系统后回流至冷源供给设备；氢气输送管，氢气输送管的一端与电解槽氢气侧连通，另一端连通氢气分离系统；氧气输送管，氧气输送管的一端与电解槽氧气侧连通，另一端与氧气分离系统连通。本申请的冷源供给设备可同时为氢气分离系统和氧气分离系统提供冷源，流量调控系统的设置使得两个分离过程可以共用一套冷源系统，既能实现系统的热力学平衡，同时简化了系统整体的结构布局，减少了设备投入成本，又降低了系统运行的能耗。

水素電解槽用の多電極パッケージセルフレーム、それを備える電解槽、及び製造方法

Absstract of: CN121666467A

The present invention relates to an electrolytic cell frame (100) configured to be integrated in an electrolytic cell. The frame forms a closed shape with an inner contour (InnCnt) defining an opening (Op) extending in an extension plane (ExtP1). The inner contour has at least two steps (St1, St2, St3, St4, St5, St6), each step comprising a first surface (S1) perpendicular to the extension plane and a second surface (S2) parallel to the extension plane. The respective second surfaces of two of the steps (St1, St3, St5) are configured to support two respective bipolar plates (BP-1, BP-21, BP-22).

電極、電解装置、電極の製造方法及び使用

Absstract of: EP4495290A1

0001 The present invention relates to an electrode comprising or consisting of an electrocatalyst, the electrocatalyst comprising a metal boride, wherein the metal boride comprises at least one element M1 selected from Ti, Zr and Hf, and at least one element M2 selected from Co, Ni, Ru, Rh, Pd, Ir and Pt; and the metal boride contains more than 10 atomic % of M2. The present invention also provides an electrode obtainable by subjecting the electrode to an electrocatalytic reaction. It also relates to an electrolyzer comprising said electrode. It is also concerned with a method for producing an electrode, and use of an electrode in an electrocatalytic reaction.

アンモニア分解システム

Absstract of: WO2025127502A1

Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.

水素生成用の反応器

Absstract of: WO2025002798A1

The invention relates to a reactor (2) for generating hydrogen and at least one other product from at least one reactant, the reactor comprising a tubular reactor vessel (4) which contains a catalyst (6) in the form of a ceramic bed. Improved corrosion resistance against a variety of media and thus an increased service life of the reactor (2) is achieved by forming the reactor vessel (4) from silicon-infiltrated silicon carbide (SiSiC).

Method for producing sodium hydroxide with simultaneous storage of a hydrogen precursor

Absstract of: PL451147A1

Przedmiotem zgłoszenia jest sposób wytwarzania wodorotlenku sodu z jednoczesnym magazynowaniem prekursora wodoru, który charakteryzuje się tym, że: w pierwszym etapie prowadzona jest elektroliza stopionego chlorku sodu w elektrolizerze stopionych soli (1) z ujęciem chloru, magazynowanego w zbiorniku chloru (2), zużywanego w innych procesach przemysłowych, a ciekły sód po schłodzeniu przechowywany jest w zestawie zbiorników sodu w postaci stałej (3), a w następnym etapie po zadysponowaniu wytworzenia partii wodorotlenku sodu i wodoru, zbiornik (3) podgrzewany jest do osiągnięcia stanu ciekłego sodu w zbiorniku (4), skąd ciekły sód trafia do reaktora reakcji metalicznego ciekłego sodu z wodą (5), zasilanego sodem i wodą ze zbiornika (6), skąd (5) wodór trafia do zbiornika wodoru (8), a wodorotlenek sodu do zbiornika wodorotlenku sodu (7), alternatywnie sód przechowywany jest w zbiorniku (zbiornikach) termosach ciekłego sodu, a elektrolizer stopionych soli (1) jak i zbiorniki sodu w postaci stałej (3), czy zbiornik termos ciekłego sodu (9) geograficznie usytuowany są w innej lokalizacji niż pozostałe instalacje wg sposobu, dodatkowo wprowadzony może być elektrolizer stopionego wodorotlenku sodu (10) zasilany ze zbiornika wodorotlenku sodu (7) z magazynowaniem ubocznych produktów - wodoru - w zbiorniku wodoru (8) i tlenu w zbiorniku tlenu (11).

能源生产与存储系统

Absstract of: 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).

基于槽温功率协同的光伏-PEM制氢站全时段控制方法

Absstract of: CN122522324A

0001 本发明公开了基于槽温功率协同的光伏‑PEM制氢站全时段控制方法，属于光伏‑氢能制备及运行控制技术领域，该方法包括：建立光伏模型获取实时功率，建立PEM电解槽电热耦合模型预测温度；采集运行参数，比较光伏功率与制氢能耗并联合SOC判定电力状态；根据电力状态匹配常规、过载或冷却运行模式；采用模糊控制生成PEM电解槽参考电流，采用模糊‑PID生成冷却水泵参考流量指令，实现协同控制。本发明能够在光伏出力充足时提高PEM电解槽对剩余光伏功率的吸收能力，在槽温接近上限时及时降低PEM电解槽负荷并增强冷却作用，从而提高光伏能源利用率、优化产氢效率，并保障PEM电解槽全时段安全稳定运行。

炭素酸化物を含まない水素生成のプロセス及びシステム

Absstract of: WO2025016560A1

The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.

Cellule d’électrolyse

Absstract of: FR3171864A1

Cellule d’électrolyse Cellule d’électrolyse d’eau à membrane électrolytique polymère PEM pour la production d’hydrogène, comprenant une membrane d’échange protonique (11), un compartiment de cathode (7), un compartiment d’anode (9), une première plaque conductrice (30), une deuxième plaque (7) conductrice et un bâti (31) supportant la membrane d’échange protonique (11). Le compartiment de cathode (7) est délimité par la membrane d’échange protonique (11) et la première plaque conductrice (30). Le compartiment de cathode (7) est latéralement délimité par le bâti (31). Le bâti (31) est muni d’au moins deux premières ouvertures (43) communiquant chacune avec le compartiment de cathode (7) par un canal anodique (47) et au moins deux deuxièmes ouvertures (45) communiquant chacune avec le compartiment d’anode (9) par un canal cathodique (48). Les première et deuxième plaques conductrices (30) sont munies de premières et de deuxièmes ouvertures (37, 39) de plaques. Les ouvertures (37, 39) de la plaque conductrice (30) sont délimitées chacune par un bord de plaque. Le bâti (31) comprend une âme rigide (49) recouverte au moins en partie par une couche souple isolante (51). L’âme rigide (49) présente une épaisseur constante. La couche souple isolante (51) recouvre les bords des ouvertures (43, 45) du bâti (31). La couche souple isolante (51) présente au moins des premières surfaces et des deuxièmes surfaces. Les premières surf

Système de production d'hydrogène basé sur l'intégration de la chaleur nucléaire avec des cycles thermochimiques et l'activation par neutrons libres (HPS-NHI-TC-FNA)

Absstract of: FR3171857A1

Cet abrégé résume l’invention en présentant brièvement son domaine technique, le problème technique à résoudre et la solution apportée. La présente invention propose un système novateur de production d'hydrogène qui exploite la chaleur d’un réacteur nucléaire de Génération IV couplé à des cycles thermochimiques (dont le cycle soufre–iode, calcium–brome, cuivre–chlore, etc.) et l’activation par neutrons libres. Cette combinaison permet d’atteindre une efficacité de conversion supérieure, une réduction des coûts et une production d'hydrogène vert à faible émission de CO₂, tout en offrant une solution évolutive pour l’industrie.

一种用于水分解反应的高稳定催化剂载体及其制备方法与应用

Absstract of: CN122522285A

0001 本发明提供一种用于水分解反应的高稳定催化剂载体及其制备方法与应用，所述催化剂载体为含Ni<3>Se<2>的材料，其中Ni<3>Se<2>具有非中心对称结构，其晶体空间群为R32。Ni<3>Se<2>载体采用一步水热合成方法制备得到，利用载体负载贵金属元素（Pt或Ru）制备电解水复合催化剂。与传统碳基载体相比，本发明所得的Ni<3>Se<2>载体具有抗电化学腐蚀能力，粗糙表面提供更多活性面积，与贵金属之间形成强金属‑载体相互作用，提高催化剂质量活性。采用本发明中的水分解反应的高稳定催化剂载体，可以在减少贵金属用量的条件下，实现低过电位和稳定性；且该催化剂载体的制备工艺简单，易操作，在规模化电解水领域具有应用价值。

一种含硫缺陷的主/助ZnS/MoS2材料及制备方法与应用

Absstract of: CN122517057A

0001 本发明涉及于主/助光催化材料技术领域，具体是涉及一种含缺陷的主/助ZnS/MoS<2>材料及制备方法与应用。方法包括如下步骤：将硝酸锌溶解在去离子水中，溶液中加入尿素进行水热反应，得到Zn LDHs粉末；将Zn LDHs粉末分散在去离子水中，将钼酸铵、硫代乙酰胺溶解在溶液中进行水热反应，得到灰色ZnS/MoS<2>粉末；将ZnS/MoS<2>粉末在Ar气氛围下煅烧，得到具有硫缺陷的ZnS/MoS<2>材料。本发明制备原料易得，成本低且过程简单，提高材料的光催化性能及稳定性；制备出了同时具有适宜缺陷浓度和较高结晶度的主/助ZnS/MoS<2>材料，光催化析氢速率达到736.44 μmol·h<‑1>·g<‑1>且在连续144小时的稳定性测试中保持了良好的循环稳定性。

一种高活性氧化镁的制备方法及其应用

Absstract of: CN122520096A

0001 本发明提供了一种高活性氧化镁的制备方法及其应用，该制备方法包括：将柠檬酸和/或柠檬酸盐溶解于去离子水中，再加入镁盐混合均匀形成混合溶液，向所述混合溶液中缓慢加入碱液，搅拌反应不超过6h，再缓慢加入与首次加入量相同的碱液，搅拌均匀，得到白色絮状的悬浊液；将上述悬浊液进行水热反应，得到的产物经抽滤、洗涤，干燥，得到白色固体粉末，然后在氮气氛围下经梯度升温至500～550℃，保温时间为3～6h，得到高活性氧化镁；本发明制备的氧化镁可作为催化剂载体应用于氨分解制氢催化剂中。本发明的制备方法简单，原料易得，获得的氧化镁粉末具有高活性、均匀微观形貌和高比表面特征，可作为催化剂载体应用于氨分解催化剂中。

一种形貌可控的硫化钼析氢电极及其制备方法

Absstract of: CN122522178A

本发明涉及析氢电极材料技术领域，尤其涉及一种形貌可控的硫化钼析氢电极及其制备方法，其包含以下步骤：选择去除了表面油脂、锈迹的基材，将基材固定后放入磁控溅射镀膜系统真空室，启动单极性HALL源，进行等离子清洗；启动磁控溅射镀膜系统对清洗后的基材进行硫化钼涂层沉积，其中，沉积过程中磁控溅射镀膜系统真空室舱室反应真空度为0.5~2 Pa，成膜温度为80‑200℃，单极性脉冲磁控溅射功率为1~5 kW，沉积时间为5~180 min。基于此温度调控方法所制备的催化电极，其析氢催化活性得到显著增强，表现出更低的过电位与良好的运行稳定性。该方法实现了涂层高度一致的竖直取向、高纯度以及与基底之间牢固的结合强度，为高性能析氢电极的制造提供了有效的解决方案。

一种Sr原子修饰的CoOOH纳米片催化剂及其制备方法和应用

Absstract of: CN122522306A

本发明公开了一种Sr原子修饰的CoOOH纳米片催化剂及其制备方法和应用。本发明通过简单的溶剂热法制备锶掺杂的硫化钴纳米片作为前驱体，并在碱性阳极析氧反应条件下发生原位电化学重构制备得到。本发明提供的Sr原子修饰的CoOOH纳米片，通过锶原子修饰降低了金属钴周围的电子云密度，同时d带中心向费米能级上移，使得Co位点与反应中间体的轨道杂化作用增强，促进含氧中间体的吸附，从而提高碱性阳极析氧反应的活性。该催化剂在阴离子交换膜电解水制氢阳极析氧反应中，表现出优异的催化活性与稳定性，为阴离子交换膜电解水制氢技术产业化发展提供新思路。

混合电解槽集群控制方法及装置

Absstract of: CN122533001A

本发明公开了一种混合电解槽集群控制方法及装置，属于混合电解槽控制技术领域。该方法包括：获取混动电解槽集群并网运行时的第一状态信息；基于第一状态信息和计划制氢功率，确定基础制氢功率；基于第一状态信息、虚拟惯量系数和虚拟阻尼系数，确定频率支撑附加功率；基于基础制氢功率和频率支撑附加功率，确定混动电解槽集群并网运行的总功率；基于第一状态信息，将总功率自适应分解为第一总功率和第二总功率；基于修正后的第一总功率和第二总功率，控制混合电解槽运行。本发明通过将储氢罐状态深度融入功率生成和分解的全过程，实现了制氢与调频的有效解耦，提升了系统调频性能与供氢安全性。

TiO2-ZnIn2S4核壳结构S型异质结光催化剂及其制备方法和应用

Absstract of: CN122517053A

0001 本申请公开了TiO<2>‑ZnIn<2>S<4>核壳结构S型异质结光催化剂及其制备方法和应用，涉及光催化材料领域。该TiO<2>‑ZnIn<2>S<4>核壳结构S型异质结光催化剂包括TiO<2>内核；以及包覆在TiO<2>内核外部的ZnIn<2>S<4>外壳；ZnIn<2>S<4>外壳由ZnIn<2>S<4>纳米片在TiO<2>内核表面原位生长形成三维分级纳米花结构；其中，TiO<2>与ZnIn<2>S<4>之间形成S型异质结。该光催化剂通过核壳结构的紧密异质界面实现光生载流子的高效空间分离，同时利用S型异质结保留强氧化还原能力的载流子，提升了光催化分解水制氢性能及循环稳定性。

一种镍-铂纳米析氢催化剂及其制备方法

Absstract of: CN122522299A

本发明涉及电解水制氢技术领域，公开了一种镍‑铂纳米析氢催化剂及其制备方法。所述制备方法包括制备六方相镍纳米材料；将制得的六方相镍纳米材料分散于溶剂中，加入油胺，在加热条件下加入铂前驱体溶液，在所述六方相镍纳米材料表面原位生长亚稳六方相铂壳层，得到六方相镍‑铂核壳结构纳米材料，即为所述镍‑铂纳米析氢催化剂。该材料通过油胺与铂盐的配位反应，抑制了铂盐与镍纳米晶之间的置换反应，实现了具有几个原子层厚度的亚稳六方相铂纳米壳层在镍模板上的可控合成。利用镍核与铂壳之间的相互作用，有效调制了亚稳相铂壳的电子结构，从而实现了高效电催化析氢。

一种NiMo合金催化剂及其制备方法和应用

Absstract of: CN122517605A

0001 本发明公开了一种NiMo合金催化剂的制备方法及其应用，属于电极催化剂技术领域。本发明包括以下步骤：将镍颗粒、铝颗粒、钼颗粒混合均匀后放置坩埚中，熔炼后得到合金锭；将合金锭进行急冷甩带，获得合金薄带；将合金薄带研磨成粉末，置于氢氧化钾溶液中选择性刻蚀，经洗涤干燥后得到纳米多孔结构的NiMo合金催化剂。本发明通过刻蚀铝构造纳米多孔结构，增大比表面积、暴露活性位点；通过调控镍钼比例优化电子结构，降低析氢能垒。本发明工艺流程简单、无污染、能耗低、成本低，所制得的NiMo合金催化剂具有优异的析氢催化活性和长期服役稳定性，适合工业化大批量生产，可应用于碱性电解水制氢领域。

异质多相界面生物质碳负载催化剂的制备方法及应用

Absstract of: CN122522307A

本发明公开了异质多相界面生物质碳负载催化剂的制备方法，具体为：将内源铬配位胶原纤维前驱体置于乙醇/水混合溶液中浸泡，洗涤、干燥，得到预处理粉末；将预处理粉末在惰性气氛下进行预碳化，得到稳定碳前驱体；将稳定碳前驱体进行酸活化处理，洗涤干燥，得到含铬氮氧碳骨架；将含铬氮氧碳骨架与镍盐前驱体混合并浸渍负载，烘干后在惰性气氛下进行碳化即可。本发明通过预处理‑预热解‑酸活化‑Ni后引入‑高温碳化的分步工艺路线，构建了一种包含连续生物质碳骨架、Cr基相和Ni物种的异质多相界面催化材料。Cr/N掺杂碳骨架能够诱导Ni选择性沉积，抑制高温烧结，形成小尺寸、高分散颗粒，使得活性位点更多、界面利用率更高、金属颗粒更稳定。

一种氧化锰基核壳结构催化剂及其制备方法和应用、工作电极及其制备方法和应用

Absstract of: CN122522294A

0001 本发明涉及电解水制氢技术领域，具体涉及一种氧化锰基核壳结构催化剂及其制备方法和应用、工作电极及其制备方法和应用。本发明以硼掺杂二氧化锰为载体，负载贵金属。本发明通过在二氧化锰中掺杂硼，能够有效调节二氧化锰的电子结构，显著提升二氧化锰载体的电子电导率，进而改善OER过程中的电荷传输；而且，硼原子缺电子的特性也使其对表面金属原子具有强亲和力，可形成金属‑B‑O结合位点，从而强化对贵金属活性组分的锚定能力，进一步构筑贵金属‑基底稳定界面，显著降低贵金属的用量。本发明提供的氧化锰基核壳结构催化剂本征导电性好，电催化活性高，结构耐久性优异，为实现低成本、长寿命的PEM电解技术提供了可行的材料解决方案。

一种锰氧化物负载铱单原子催化剂及其制备方法和电催化应用

Absstract of: CN122522293A

0001 本发明公开了一种锰氧化物负载的铱单原子催化剂，包括载体锰氧化物和负载在载体锰氧化物上的铱，铱以单原子形式分散于锰氧化物表面或晶格中，铱的负载量为6wt%～8wt%。本发明通过一步水热反应即可同时完成锰氧化物载体的合成、晶相调控和铱单原子的锚定，无需分步操作，工艺流程短、操作简便，适合规模化生产；仅需改变柠檬酸与高锰酸钾的摩尔比，即可在同一反应体系中实现锰氧化物载体晶相在MnO<2>与MnO(OH)之间的选择性切换，克服了传统方法需改变整个合成体系的不足。

一种厚度可控的硫化钼析氢电极及其制备方法

Absstract of: CN122522179A

本发明涉及析氢电极材料技术领域，尤其涉及一种厚度可控的硫化钼析氢电极及其制备方法，其包含以下步骤：将基材固定后放入磁控溅射镀膜系统真空室，启动单极性HALL源，对基材表面进行等离子清洗；等离子体清洗完成后，关闭HALL电源，启动单极性脉冲磁控电源，进行硫化钼涂层沉积，其中，沉积过程中舱室反应真空度为0.5~2 Pa，成膜温度为室温‑200℃，单极性脉冲磁控溅射功率为1~5 kW，沉积时间为5~180 min。优选地，涂层沉积过程中舱室反应真空度为1 Pa，成膜温度为室温，单极性脉冲磁控溅射功率为4.0 kW，沉积时间60 min。本发明突破了常规工艺参数下硫化钼涂层主要呈水平层状生长的局限，通过特定的工艺参数组合，首次实现了硫化钼催化层垂直于基底的定向可控生长。

一种用于电解水的一体化阳极及其制备方法和应用

Absstract of: CN122522282A

0001 本发明涉及一种用于电解水的一体化阳极及其制备方法和应用，其包括提供镍基底；对镍基底实施第一次阴极电沉积，在镍基底表面形成镍铁合金中间层，得到NiFe@镍基底；对NiFe@镍基底实施第二次阴极电沉积，在镍铁合金中间层表面形成NiFeCr合金表层，得到原始态NiFeCr@镍基底前驱体；将原始态NiFeCr@镍基底前驱体置于碱性溶液中进行水热氧化处理，使NiFeCr合金表层原位重构形成包含镍铁羟基氧化物活性相与三氧化二铬保护层的多孔重构外层，制得一体化阳极。本发明采用两步分层电沉积搭配碱性水热重构，分层实现导电、催化与防腐功能，解决传统电极催化剂易脱落、镍铁活性组分大量溶出、铬离子污染电解液等问题。

一种用于质子交换膜水电解池的多孔传输层及其制备方法和应用

Absstract of: CN122522276A

0001 本发明涉及氢能制备技术领域，具体涉及一种用于质子交换膜水电解池的多孔传输层及其制备方法和应用。所述多孔传输层包括钛基体和复合涂层，所述复合涂层从基体向外依次包括：Ta阻隔层、PtTa过渡层和Pt表面导电层。本发明采用磁控溅射工艺制备该复合涂层，具备工艺参数精准可控、批次制备重复性优异的特点，可广泛应用于质子交换膜水电解装置中多孔传输层的表面改性，有效提升电解器的整体性能与使用寿命。

镍硫调控的氧化铜材料及其制备方法及应用

Absstract of: CN122522304A

本申请涉及一种镍硫调控氧化铜纳米阵列的电子重构型催化材料及其制备方法与葡萄糖电氧化制氢应用。催化材料中镍硫的引入可有效诱导氧化铜的电子结构重构，从而促进电荷转移和氧化还原反应动力学，为葡萄糖电化学氧化替代传统OER的制氢新技术提供了科学依据和技术支持。泡沫铜基底上原位生长的氧化铜纳米线阵列具有高导电性三维骨架，可降低电荷传输阻力；同时，电子重构作用可暴露出更多的活性位点，提升材料导电性，在葡萄糖氧化过程中加速电子传递，显著提高催化活性。本申请的原位电化学动态制备方法工艺简单、能耗低、适用性广。整个制备过程原料廉价易得，能耗低，环境友好，产物结晶度良好，适合批量制备。

一种基于电化学活化重构铁相的析氢/析氧双功能材料及其制备方法和应用

Absstract of: CN122522312A

本发明公开了一种基于电化学活化重构铁相的析氢/析氧双功能材料，其制备方法包括以下步骤：1，NiCoOH/NF的制备；2，NiCoOH/CoFeOH/NF的制备；3，NiCoP/CoP2‑FeP2/NF的制备。所得NiCoP/CoP2‑FeP2/NF具有通过电化学活化实现重构的特点，重构后，铁相由FeP2重构为FeOOH，形成NiCoP/CoP2‑FeOOH/NF；NiCoP/CoP2‑FeP2/NF呈芽状结构形貌，形成三相异质结构。作为析氢催化剂材料的应用时，过电位为38‑41 mV；析氢Tafel斜率为35‑38mV·dec‑1；电流保持率为85‑95%；Cdl为30‑32mF·cm‑2。作为析氧催化剂材料的应用时，过电位为220‑230 mV；析氧Tafel斜率为35‑40mV·dec‑1；电流保持率为85‑95%；Cdl为15‑20mF·cm‑2。

一种基于Cu1.94S/ZnS的Pickering乳液及其应用

Absstract of: CN122517103A

0001 本发明公开了一种基于Cu<1.94>S‑ZnS的Pickering乳液及其应用，属于Pickering乳液制备技术领域。本发明将含有Cu<1.94>S的有机膦配体悬浮液与含有Zn<2+>的有机溶液通过阳离子交换反应制得Cu<1.94>S‑ZnS纳米颗粒；Cu<1.94>S‑ZnS纳米颗粒经含巯基的羧酸类配体表面修饰、去质子化处理后制得亲水性Cu<1.94>S‑ZnS纳米颗粒；以含有硫源的水溶液为水相，正辛醇为油相，亲水性Cu<1.94>S‑ZnS纳米颗粒为乳化剂，经均质化处理得到Pickering乳液。与单相水体系和非均相未乳化体系相比，基于Cu<1.94>S‑ZnS的Pickering乳液的光催化制氢的性能得到显著提升。

一种电极材料的制备及其在电催化析氢应用

Absstract of: CN122522248A

自支撑电极材料可在导电基底上原位生长催化活性物质，无需粘结剂辅助，能够有效解决粉末催化剂脱落、位点堵塞的问题，同时具备优异的电子传导性和结构稳定性。但现有自支撑电极普遍存在活性组分分散不均匀、界面结合力弱、电化学比表面积小的缺陷，在高电流密度下过电位偏高、稳定性不足，严重制约了其工业化应用。基于此，本发明设计一种新型复合结构自支撑电极材料，通过简易可控的制备工艺优化材料微观结构与电子结构，大幅提升电催化析氢性能。

一种PEM电解水高比表面积粉末催化剂的制备方法

Absstract of: CN122522292A

0001 本发明涉及PEM电解水制氢技术领域，具体公开一种PEM电解水高比表面积粉末催化剂的制备方法。本发明先采用磁控溅射法在膜基材表面构建金属氧化物纳米结构骨架作为模板，通过调控溅射工艺参数实现对纳米结构骨架的密度、尺寸和形貌的精准控制；再利用磁控溅射法在该模板表面负载催化剂，通过沉积参数调控催化剂负载量；最后经脱模、球磨、分离干燥工艺获得粉末催化剂。本发明制备的催化剂粉末分散性好、团聚率低、比表面积高，尺寸和形貌均一可控，且制备工艺简单、可实现批量生产，解决了传统制备方法中催化剂易团聚、形貌粒径难以精准控制的技术问题，大幅提升了PEM电解水制氢的催化效率和稳定性。

一种锆钴镍铁四元金属磷基化合物自支撑催化剂及其制备方法和应用

Absstract of: CN122522311A

本发明公开了一种用于析氧反应的锆钴镍铁四元金属的磷基化合物自支撑催化剂及其制备方法和应用。所述催化剂原位生长于镍铁泡沫基底上，活性组分包含锆、钴、镍、铁四种金属元素，且物相组成中同时存在Ni2P2O7相和Ni2P相。其制备方法包括：将镍铁泡沫清洗预处理后，与含锆、钴、镍、铁可溶盐的前驱体溶液进行水热反应，使溶液中四种金属离子共同成核生长，再经气相磷化处理，得到同时含Ni2P2O7和Ni2P两相的催化剂。该催化剂在碱性电解液中析氧过电位低、Tafel斜率小，在不低于1000mA cm‑2的电流密度下可稳定运行不少于40小时，法拉第效率≥95％，且能直接作为自支撑阳极使用。本发明催化剂活性高、稳定性强、制备工艺简单，适用于碱性水电解制氢领域。

一种羟基氧化铝基碱性电解水复合隔膜及其制备方法

Absstract of: CN122522320A

0001 本发明公开了一种羟基氧化铝基碱性电解水复合隔膜及其制备方法，属于碱性电解水制氢隔膜技术领域。本发明复合隔膜包含聚砜树脂基体和分散于其中的羟基氧化铝填料，羟基氧化铝的质量不超过聚砜树脂质量的80%；其制备方法包括：将聚砜树脂与致孔剂在有机溶剂中混合形成聚合物溶液，加入羟基氧化铝粉末分散均匀后脱泡得到铸膜液，经刮膜、相转化、洗涤、干燥得到复合隔膜；本发明采用羟基氧化铝替代传统ZrO<2>填料，原料成本大幅降低，同时利用羟基氧化铝表面富含羟基的特性赋予隔膜优异的本征亲水性，构建的亲水网络有效降低面电阻，解决了现有技术中ZrO<2>基复合隔膜成本高、传统亲水改性长效性不足的技术问题。

一种Co负载型Cs2PtI6钙钛矿材料及其制备方法、应用

Absstract of: CN122522288A

本发明属于催化剂制备技术领域，具体涉及一种Co负载型Cs2PtI6钙钛矿材料及其制备方法、应用，所提供的Co负载型Cs2PtI6钙钛矿材料，利用Cs2PtI6为载体，配位锚定钴前驱体，调控制备工艺，在温和条件下实现了钴纳米颗粒原位负载。利用钴与Cs2PtI6钙钛矿形成的紧密耦合异质界面优化电荷传输效率，及光辅助电催化，提高了析氢催化剂的催化性能。

一种面向波动工况的高稳定性含Ce高熵合金氧化物催化剂及其制备方法与碱性析氢/析氧催化应用

Absstract of: CN122522287A

0001 本发明属于材料合成及电催化制氢技术领域，涉及一种面向波动工况的高稳定性含Ce高熵合金氧化物催化剂及其制备方法与碱性析氢/析氧催化应用，以镍盐、钴盐、铁盐、钌盐、铈盐为原料与有机配体通过水热法在载体基底上制备高熵MOF前体，再通过管式炉热解得到NiCoFeRuCe五元高熵合金氧化物；其具有碱性析氢和析氧双功能，在碱性析氢波动工况下电位保持率为98.44%。本发明制备方法简单，成本低，得到的NiCoFeRuCe五元高熵合金氧化物材料在波动工况下具有优异的稳定性，适于大力推广，市场前景广阔。

一种氨裂解制氢用的镍铝氧化物催化剂、制备方法及应用

Absstract of: CN122517028A

0001 本发明公开了一种氨裂解制氢用的镍铝氧化物催化剂、制备方法及应用，属于催化剂技术领域，本发明提供了一种氨裂解制氢用的镍铝氧化物催化剂，用于解决现有技术中合成镍基催化剂的过程中，易产生大量固废液、不耐高温稳定性差的技术问题。本发明合成的镍铝氧化物催化剂由NiO相和NiAl<2>O<4>相组成；所述催化剂以氧化物质量计，包含27%‑59%的NiO和41%‑73%的Al<2>O<3>。所述催化剂的制备方法，包括以下步骤：镍的前驱体和铝的前驱体混合、高温焙烧，即为制备的氨裂解制氢用的镍铝氧化物催化剂。本发明采用固相法合成催化剂，工艺简化高效、过程无废水废气产生。部分NiAl<2>O<4>相的存在有助于提高镍铝氧化物催化剂的稳定性和耐高温性。

梯度浓度添加非贵金属溶液的合金制氢催化剂制备方法

Absstract of: CN122522295A

0001 本发明公开了一种梯度浓度添加非贵金属溶液的合金制氢催化剂制备方法，包括：基底预处理、合金型催化剂前驱体的制备、梯度混合溶液的添加等步骤。通过上述方式，本发明梯度浓度添加非贵金属溶液的合金制氢催化剂制备方法，通过梯度浓度溶液添加的方式，表现出远超传统催化剂的高活性、高稳定性与高性价比。

一种Pt基金属间化合物及其制备方法

Absstract of: CN122522043A

本发明公开了一种Pt基金属间化合物及其制备方法，所述Pt基金属间化合物的化学式为Pt3ScxTm1‑x，x=0.2~0.8，所述Pt基金属间化合物由铂源、钪源、铥源、碳载体、形貌调节剂经碳热还原反应制得。本发明成功向Pt基金属间化合物中引入Tm元素，Tm独特的4f轨道电子的调控作用，显著优化了Pt3Sc的电子结构，增强了电催化析氢反应（HER）活性、催化稳定性，展现出了巨大的能源应用前景。

电解槽故障检测系统、方法、装置、终端设备及计算机可读存储介质

Absstract of: CN122522327A

0001 本发明提供一种电解槽故障检测系统、方法、装置、终端设备及计算机可读存储介质，电解槽故障检测系统包括双极板组件、光纤传感器和控制器；光纤传感器设置在流道网结构上，光纤传感器被配置为获取双极板组件内沿光纤传感器的延伸方向的温度分布数据；控制器被配置为：根据光纤传感器获取的温度分布数据计算每个测量点的电流密度；判断多个测量点的电流密度是否均匀，多个测量点的电流密度不均匀时，确定双极板组件发生故障。光纤传感器获取沿光纤传感器的延伸方向的温度分布数据，控制器根据光纤传感器获取的温度分布数据计算每个测量点的电流密度，在多个测量点的电流密度不均匀时，控制器判断双极板组件发生故障。

一种含非对称Fe-Se-Ru位点的富硒空位硒化钌电催化剂及其制备方法和应用

Absstract of: CN122522316A

本发明属于新能源纳米材料技术以及电解水制氢领域，具体涉及一种含非对称Fe‑Se‑Ru位点的富硒空位硒化钌电催化剂及其制备方法与应用。电催化剂由富硒空位的立方相RuSe2及非对称Fe‑Se‑Ru位点构成。其制备方法包括以下步骤：水热法合成前驱体粉末，再对粉末在惰性气氛环境下焦耳加热处理，即可得到含非对称Fe‑Se‑Ru位点的富硒空位硒化钌电催化剂。本发明催化剂在碱性水和碱性海水条件下表现出优异的析氢性能，分别实现10 mA·cm‑2电流密度下仅12 mV和20 mV的过电位，且在自组装的膜电极1000 mA·cm‑2电流密度下稳定运行1000小时，展现出卓越的电化学稳定性和工业应用潜力。

一种有机小分子修饰的铁镍层状双氢氧化物催化剂及其制备方法和应用

Absstract of: CN122522318A

一种有机小分子修饰的铁镍层状双氢氧化物催化剂及其制备方法和应用，它涉及二元NiFe层状双氢氧化物电催化剂及其制备方法和应用。它是要解决现有的电解海水制氢催化剂依赖贵金属、稳定性差的技术问题。本发明的有机小分子修饰的铁镍层状双氢氧化物催化剂是以泡沫镍为基底，在泡沫镍表面生长NiFe层状双氢氧化物，且NiFe层状双氢氧化物层间含有机小分子。是利用电沉积法制备的。有机小分子均苯三甲酸修饰的铁镍层状双氢氧化物催化剂在1 M KOH海水中，在10 mA cm‑2的电流密度下的OER过电势仅为207 mV，并且以其作为阳极的电解槽在碱性海水中析氧反应稳定运行超2500小时，可用于工业电解海水制氢领域。

一种贵金属/稀土氧化物复合催化剂及其制备方法和应用

Absstract of: CN122517019A

本发明涉及一种贵金属/稀土氧化物复合催化剂及其制备方法和应用，属于氨分解催化剂技术领域，解决了现有氨分解催化剂活性低、热稳定性差、成本高、难以在500℃以下高效稳定使用等问题中的至少一种。制备方法，包括：S1，将可溶性矿化剂溶液与稀土盐溶液搅拌混合后，进行陈化，得到第一产物；S2，将第一产物与溶剂搅拌分散均匀后，进行溶剂热反应，得到第二产物；S3，将第二产物在预定气氛下进行焙烧，得到稀土氧化物载体；S4，将Ru前驱体溶液与稀土氧化物载体的分散液混合，进行加热反应，得到第三产物；S5，将第三产物进行焙烧，得到第四产物；S6，将第四产物在还原气氛下进行焙烧，得到负载型贵金属/稀土氧化物复合催化剂。

一种电源控制方法和相关设备

Absstract of: CN122533374A

本申请提供一种电源控制方法和相关设备，电源控制方法包括：获取制氢电源在当前时刻的实际电流值，并根据所述实际电流值确定所述制氢电源在一阶惯性阶跃响应下的期望电流值；根据所述期望电流值确定所述制氢电源在下一时刻的预测电流值；对所述预测电流值进行滚动优化得到目标电流值，并根据所述目标电流值确定目标电流调整值；根据所述目标电流调整值，调整所述制氢电源当前输出的电流值。本申请中，有效避免了PI控制中常见的超调和震荡现象。

セルスタックのプレート状要素、及びセルスタック

Absstract of: WO2025051333A1

The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.

SYSTEM FOR GENERATING ELECTRICAL ENERGY IN A CHLOR-ALKALI INDUSTRY PROCESS

Absstract of: WO2026162628A1

System (100) for exploiting hydrogen (H2) produced as by-product by a chlor-alkali plant (10) comprising a compressor (20), a storage unit (30) and a power generation unit (40). The compressor (20) is fluidly coupled to the chlor-alkali plant (10) and is configured to receive and compress the hydrogen (H2) produced by the chlor-alkali plant (10) so to discharge a compressed hydrogen flow (CH2). The storage unit (30) is fluidly coupled to the compressor (20) and is configured to receive and store the compressed hydrogen flow (CH2) at least for a predetermined time and to discharge a stored hydrogen flow (SH2). The power generation unit (40) is fluidly coupled to the storage unit (30) and is configured to receive a first hydrogen flow (HF1) of the stored hydrogen (SH2) as a fuel and/or one or more external fuels (F), so to perform a combustion and produce electrical power (E1) and/or mechanical power (M1). The power generation unit (40) is further electrically coupled to the chlor-alkali plant (10) and/or mechanically coupled to the compressor (20) so that the electrical power (E1) produced by the power generation unit (40) is supplied to the chlor-alkali plant (10) and/or at least part of the mechanical power (M1) is used to drive the compressor (20).

A GREEN HYDROGEN POWER PLANT AND A METHOD AT A PLANT CONTROLLER FOR CONTROLLING THE GREEN HYDROGEN POWER PLANT

Absstract of: WO2026162388A1

The present disclosure relates to a green hydrogen power plant (1) comprising a renewable energy generation facility (11); a hydrogen production facility (12); and an 5 energy storage unit (13) to store electrical energy; and a plant controller (14) configured to: determine (101) a total value of electrical energy demanded by the hydrogen production facility (12) to operate continuously during an energy production cycle period of the renewable energy generation facility (11); calculate (102) an energy threshold for the energy production cycle period based on said total value of electrical 10 energy demanded by the hydrogen production facility (12); detect (103) whether the current electrical energy produced at said instant by the renewable energy generation facility (11) reaches the energy threshold; in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is above or equal to the energy threshold, generate (104) an instruction for controlling the 15 renewable energy generation facility (11) to direct excess electrical energy to the energy storage unit (13); and in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is below the energy threshold, generate (105) an instruction for controlling the energy storage unit (13) to supply the hydrogen production facility (12) with the stored electrical energy to allow 20 the hydrogen production facility (12) to o

UTILIZING SOLID-STATE CHEMICALS FOR THE DISTRIBUTED GENERATION AND STORAGE OF HYDROGEN FROM RENEWABLE ENERGY TO MANAGE POWER AND HEAT SUPPLY

Absstract of: US20260225880A1

The invention provides a system and method for the distributed generation and storage of hydrogen utilizing solid-state chemicals. Surplus electrical energy from renewable sources, such as solar and wind, is converted into green hydrogen, stored in the form of sodium borohydride (NaBH4). This solid-state storage medium facilitates safe and efficient hydrogen containment, overcoming limitations in transportation and storage. The hydrogen can be regenerated for use in electricity and heat generation across residential, commercial, agricultural, and industrial applications, including refueling facilities. A cycle of NaBH4 synthesis, hydrogen extraction, and regeneration using renewable energy ensures long-term sustainability. This innovation addresses grid intermittency, enables peak shaving, and decentralizes energy systems, contributing to energy security and a low-carbon economy. The process integrates renewable energy, electrochemical synthesis, and catalytic reactions to provide a scalable solution for modern energy challenges, supporting both immediate and long-term energy needs.

METHOD FOR OPERATING AN ELECTROLYSER SYSTEM AND ELECTROLYSER SYSTEMS

Absstract of: WO2026162948A1

A system comprising an electrolyser cell stack of electrolyser cell units, a separation unit and a Fischer-Tropsch reactor unit and a method for operating the system. The method comprising providing fuel to a fuel volume of the electrolyser cell stack, wherein the fuel comprises steam and carbon dioxide and is provided to the fuel volume at a first temperature. The method comprises powering the electrolyser cell stack with electrical energy thereby converting, at least partially, the steam into hydrogen and oxygen, wherein hydrogen is released into the fuel volume and oxygen is released into an oxygen volume. Carbon dioxide and hydrogen are at least partially converted into carbon monoxide and water in the fuel volume. Powering the electrolyser cell stack comprises controlling a voltage supplied at an endothermic value.

CONTROL DEVICE FOR WATER ELECTROLYSIS SYSTEM, RENEWABLE ENERGY-COORDINATED WATER ELECTROLYSIS SYSTEM, AND CONTROL METHOD FOR WATER ELECTROLYSIS SYSTEM

Absstract of: WO2026163573A1

The present invention reduces fluctuation of a grid voltage due to generated power from a renewable energy power generation system by adjusting a load of a water electrolysis system. This control device for a water electrolysis system, which is connected to a grid via an interconnection point shared with a renewable energy power generation system for outputting generated power generated using renewable energy to at least the grid and produces hydrogen by electrolyzing water upon reception of the output of the generated power, is characterized by including: a renewable energy-generated power acquisition unit that acquires renewable energy-generated power that is generated power outputted by the renewable energy power generation system; and a water-electrolysis-system load command-value setting unit that sets a value obtained by multiplying the acquired renewable energy-generated power by a prescribed proportional gain, as a command value for a water electrolysis load of the water electrolysis system.

HIGH-ENTROPY RUTHENIUM OXIDES AS EFFICIENT OXYGEN EVOLUTION REACTION CATALYSTS

Absstract of: US20260225080A1

0000 An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O<2 >catalyst, wherein the Ru(M1M2M3M4)O<2 >catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO<2>), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.

Quantum-Controlled System for Hydrogen Extraction via Floquet-Engineered Bond Destabilization and AI-Regulated Reinjection Cycle

Absstract of: US20260225878A1

0000 A hydrogen production system utilizes Floquet-engineered photonic excitation and at least one dielectric laser excitation unit, including an Ava-assisted dielectric laser amplifier accelerator (AADLAA), under integrated quantum AI control. The system employs a multi-chamber architecture comprising a first dissociation chamber, a second dissociation chamber for partially processed effluent, and a purification and reinjection chamber. Catalyst-free water dissociation is achieved using synchronized laser modulation, AI-directed routing, and adaptive feedback. An AI-regulated safety network provides photonic alignment control, thermal and pressure management, gas purity safeguards, predictive hazard modeling, and fail-safe isolation. A thermal recovery module captures heat from one or more chambers for feedwater preheating and energy stabilization. The modular architecture supports upgrades in optics, safety, and energy inputs, including solar thermal, nuclear waste-heat, and geothermal sources. Purified hydrogen, oxygen, and water vapor are recovered, compressed, and selectively reinjected for closed-loop operation, achieving high efficiency with reduced entropy loss.

MULTI-STAGE MEMBRANE REACTOR SYSTEM FOR AMMONIA CRACKING TO PRODUCE HYDROGEN

Absstract of: US20260225879A1

A method of multi-stage ammonia cracking to produce hydrogen (H2), the method including providing a pressurized ammonia (NH3) to a first reactor including a first hydrogen-selective membrane tube at a first pressure. The method further includes catalytically cracking the NH3 within the first reactor to form H2 and nitrogen (N2). A first permeate from the first membrane tube includes the H2, and a first retentate from the first membrane tube includes unreacted NH3. The method further includes recovering the first permeate as a pressurized H2 product stream. The method further includes providing the first retentate to a second reactor including a second hydrogen-selective membrane tube at a second pressure that is lower than the first pressure. The method further includes catalytically cracking the unreacted NH3 within the second reactor to form additional H2 and N2. The method further includes recovering a second permeate as an additional H2 product stream.

Entfernung von Gasblasen aus einer Flüssigphase

Absstract of: DE102025000418A1

Die Erfindung betrifft ein Verfahren zur Entfernung von Gasblasen (P) aus einer kontinuierlichen Flüssigphase (1), die hierbei durch einen Abscheidebehälter (B) geführt wird. Kennzeichnend herbei ist, dass die Koaleszenz der Gasblasen (P) durch ein Hilfsgas (4) unterstützt wird, das unter Bildung von Hilfsgasblasen (H) in die Flüssigphase (1) eingeleitet wird.

Elektrolysevorrichtung

Absstract of: DE102025104344A1

Elektrolysevorrichtung zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel aus mehreren Zellstapelelementen, die Elektrolysezellen ausbilden, mit Endplatten (16), zwischen welchen der Zellstapel aus den mehreren Zellstapelelementen angeordnet ist und verpresst ist, wobei die Zellstapelelemente und die Endplatten (16) des Zellstapels sich in Stapelrichtung der Zellstapelelemente erstreckende Strömungskanäle (23) für Wasserstoff, Strömungskanäle (24) für Wasser und Strömungskanäle (25) für Wasser und Sauerstoff bilden, und mindestens eine Endplatte (16) mindestens eine Inspektionsöffnung (26) aufweist, über die eine Inspektionseinrichtung in mindestens einen der Strömungskanäle (23, 24, 25) einführbar ist.

ADHESIVE SHEET

Absstract of: WO2026164246A1

Provided is an adhesive sheet which comprises a substrate layer comprising a polymer having a sulfur atom in the molecule and an adhesive layer disposed on the substrate layer on the side of one surface thereof, wherein the adhesive layer comprises a styrene-based block copolymer and a tackifier.

BIPOLAR PLATE FOR AN ELECTROLYZER

Absstract of: US20260226640A1

The invention relates to a bipolar plate (34) for an electrolyzer (44), wherein the bipolar plate (34) comprises a plurality of media channels (36), i.e. at least one H2O inlet port (38), an H2O/O2 outlet port (40), and an H2 outlet port (42). Bipolar plates (34), in the form of repeating components (48), are arranged in the electrolysis cell stack (46) of the electrolyzer (44) one over the other, each of which is arranged so as to seal a port (38, 40, 42), such that an insert seal (56) is fixed on an X/Y plane (86) between two respective bipolar plates (34) lying one over the other. The invention additionally relates to the use of the bipolar plate (34) in an electrolysis cell stack (46) of an electrolyzer (44).

SYSTEM FOR SOLID-STATE ELECTRICITY STORAGE AND SOLID-STATE ELECTRICITY GENERATION

Absstract of: US20260229568A1

The invention relates to a system for solid-state electricity storage and solid-state electricity generation that allows electricity to be stored when the renewable energy sources produce excess electricity and electricity to be generated when the electricity demand on the market exceeds the electricity production from renewable energy sources. The system comprises a solid-state electricity storage device having a first electrolysis device for producing chlorine from a melt of zinc chloride and solid zinc, a second electrolysis device for producing hydrogen from water, a first reactor for producing hydrogen chloride, and a vessel with a water sprayer for producing hydrochloric acid. The system further comprises a solid-state electricity generation device having a second reactor for reacting zinc and hydrochloric acid to produce hydrogen and a fuel cell for generating electricity.

MITIGATING CHLORIDE ION OXIDATION DURING SALINE WATER ELECTROLYSIS FOR HYDROGEN PRODUCTION AND CARBON DIOXIDE MINERALIZATION

Absstract of: US20260225925A1

0000 The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.

ELECTROLYTE SOLUTION AND A METHOD OF MANUFACTURING THEREOF

Absstract of: US20260226631A1

An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt % to 10 wt % of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt % to 5 wt % of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt % to 98 wt % of the electrolyte solution.

A PEROVSKITE ELECTRODE FOR ELECTROLYSIS IN ALKALINE MEDIA

Absstract of: US20260226638A1

An electrode for use in the electrolysis of water under alkaline conditions, comprising a nickel metal substrate, a ceramic material with a perovskite-type structure comprising an oxide of at least one metal selected from among lanthanides including lanthanum, cerium and praseodymium, where said ceramic material is forming a coating on said nickel metal substrate, and metal nanoparticles are socketed into the said ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, whereas the metal nanoparticles facing the said metal substrate form an anchoring points between the metal substrate and the said ceramic material.

DUAL H2 PRODUCTION FROM ELECTROCATALYTIC WATER REDUCTION COUPLED WITH FORMALDEHYDE OXIDATION VIA A COPPER-SILVER ELECTROCATALYST

Absstract of: US20260226637A1

The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.

A ROOM-TEMPERATURE-SOLID METAL ALLOY FOR MAKING WATER-REACTIVE ALUMINUM COMPOSITIONS

Absstract of: US20260225881A1

0000 Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin, and indium). Some water-reactive aluminum compositions provided herein contain no gallium. Also provided herein are methods of activating aluminum to provide water-reactive aluminum compositions. Further provided are fuel mixtures comprising the water-reactive aluminum compositions described herein and water-reactive aluminum compositions with increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.

水電解装置

Absstract of: US2024240328A1

0000 A water electrolysis stack in which a water electrolysis cell is laminated, a water supply side path for supplying water to the water electrolysis stack, and a hydrogen side path for recovering hydrogen generated from the water electrolysis stack are provided, and the water supply side path includes a pump which is a power source for supplying water to the water electrolysis stack, an ion exchanger arranged between the pump and the water electrolysis stack, a bypass which is a path for flowing water from the pump to the water electrolysis stack without passing through the ion exchanger, a valve for adjusting an amount of water flowing to the bypass, and a controller for adjusting a valve.

A SEPARATOR FOR ALKALINE WATER ELECTROLYSIS

Absstract of: AU2024406508A1

A separator for alkaline water electrolysis comprising: - a porous support (100) and on at least one side of the support, in order: - an optional porous layer including a Polymer A (200), and - a non-porous layer including a Polymer B (300), characterized in that the separator is obtainable by coating on the porous support (100) or the optional porous layer (200) a Polymer B solution having a viscosity of at least 400 mPa.s, measured at 20°C and a shear rate of 100 s-1, and wherein the separator has a Bubble Point, measured according to ASTM F316, of at least 5 bar.

SUPPORTED ABSORBENTS FOR AMMONIA SEPARATION

Absstract of: US20260225903A1

0000 A system and method of producing ammonia comprises reacting a nitrogen feed gas and a hydrogen feed gas in a reactor to form ammonia, wherein the reaction produces a reaction mixture comprising ammonia gas, unreacted nitrogen and unreacted hydrogen, absorbing the ammonia from the reaction mixture in an absorber column containing an absorber, the absorber comprising a support and a metal halide, outputting the ammonia absorbed by the absorber, and recycling the unreacted nitrogen and unreacted hydrogen.

E-METHANOL SAGD PLANT SYSTEM APPLICABLE TO UNCONVENTIONAL OIL PRODUCTION AREAS

Absstract of: CA3296799A1

Disclosed is an e-methanol SAGD plant system applicable to unconventional oil production areas capable of producing e-methanol using CO2 and carbon-reduced green hydrogen generated by a plant configured to recover bitumen using only a mixture of eco-friendly hydrogen generated by a water electrolysis apparatus and natural gas and steam instead of expanding solvent SAGD (ES-SAGD), which is a recovery method using steam, natural gas, and an additive (a solvent) used to reduce the steam-to-oil ratio (SOR), which impacts environmental pollution, when recovering an oil component from subterranean oil sands based on the widely adopted steam-assisted gravity drainage (SAGD) technology, among methods of recovering bitumen from oil sands.

COMPOSITE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, AND DEVICES SUCH AS FUEL CELL, REDOX FLOW BATTERY, OR ELECTROLYSER COMPRISING THE MEMBRANE

Absstract of: EP4786037A2

This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also relates to composite membrane-assemblies and electrochemical devices comprising the composite membranes of the disclosure, and to methods of manufacture of the composite membranes.

BI-FUNCTIONAL WEAVE BODY

Absstract of: US2025101608A1

An illustrative example embodiment of an apparatus and method includes providing a weave body downstream of an electrolyzer, purifying hydrogen by demisting a hydrogen stream exiting the electrolyzer via flow through the weave body; and de-oxidizing the hydrogen stream during flow through the weave body.

Integrated reformer and reverse water gas shift reactions in a synthetic hydrocarbon production process and related systems

Absstract of: GB2703568A

Methods for producing synthetic fuels (synfuels) include reacting hydrogen and carbon dioxide in with a first catalyst (wherein a first catalyst bed inlet temperature in the rWGS reactor ranges from 250-400 degrees C), and an adsorbent in a first reverse water gas shift (rWGS) reactor to produce hydrogen, carbon monoxide, and water; cooling the hydrogen, carbon monoxide, and water produced in the rWGS, to produce a cooled syngas; separating, from the cooled syngas, water to produce a syngas comprising carbon monoxide, hydrogen, unconverted carbon dioxide, and methane; purifying the cooled syngas; reacting the cooled syngas with a second catalyst to produce a synthetic hydrocarbon solution; and purifying the synthetic hydrocarbon solution to produce a final product. A corresponding system is also claimed. No fig

ISOLATION CIRCUIT FOR HYDROGEN PRODUCTION SYSTEM AND RENEWABLE ENERGY HYDROGEN PRODUCTION SYSTEM COMPRISING SAME

Absstract of: EP4787698A1

0001 Provided in the present application are an isolation circuit for a hydrogen production system and a renewable energy hydrogen production system comprising same. The isolation circuit includes at least one direct-current conversion module and at least one DC-AC converter. The direct-current conversion module comprises a single-output port and a multi-output port, the single output port of the direct-current conversion module being in coupled connection with the DC side of the DC-AC converter, the multi-output port of the direct-current conversion module being in coupled connection with a plurality of external unidirectional power flow units and/or bidirectional power flow units, and each unidirectional power flow unit at least comprising a hydrogen production unit. The AC side of each DC-AC converter is in series coupled connection with an external alternating-current power grid or direct-current power grid. The present solution simultaneously satisfies application requirements of two coupling scenarios, effectively integrates various types of external units, and combines all components in systems into one, thus facilitating positioning of faults and repair while reducing costs.

OFF-GRID HYBRID ELECTROLYTIC HYDROGEN PRODUCTION SYSTEM

Absstract of: EP4786651A1

0001 An off-grid hybrid electrolytic hydrogen production system provided in the present application comprises a new energy power generation unit and an energy storage unit. A power conversion unit converts electric energy output by the new energy power generation unit and the energy storage unit into electric energy suitable for hydrogen production. An electrolysis unit comprises a proton exchange membrane hydrogen production module and a solid oxide electrolysis module, used to produce hydrogen after the introduction of electric energy. A controller uses control of charge and discharge of the energy storage unit to track an electric energy fluctuation value output by the new energy power generation unit, so that a value of total electric energy power fluctuation output by the new energy power generation unit and the energy storage unit is within a set range. The described solution provided by the present application can improve the hydrogen production efficiency of the entire hydrogen production system, and ensure that the hydrogen production system can achieve off-grid operation. Moreover, the present application eliminates the influence of power generation fluctuation of a new energy power generation unit on a hydrogen production result, by means of causing the total power fluctuation output by the new energy power generation unit and the energy storage unit to be within a set range.

PROCESS AND REACTOR FOR GENERATING THERMAL ENERGY AND BASE CHEMICALS

Absstract of: EP4529979A1

0001 Disclosed is a process for producing thermal energy and base chemicals and a reactor used for this process. The reactor contains a reaction space for oxidizing metal fuel with water and optionally other oxidants. The reaction space is connected at its outlet with a separation device for solids contained in the product gas leaving the reaction space. In the reaction space a first flame is generated which triggers the reaction of metallic fuel with oxidant to generate a second flame within the reaction space. The first flame is generated by using a fuel mixture which is introduced into the reaction space via one or more feed lines. At the end of this feed line(s) an ignition device acts on the fuel to ignite the first flame which in turn triggers the formation of the second flame. The thermal energy generated by the oxidation reaction is recovered by using one or more heat exchangers which may be placed at different lociations of the reactor. 0002 With the reactor and the process of this invention hydrogen and/or cabon monoxide is generated from metal fuel and water or CO<2>. When using water and carbon dioxide as oxidant a mixture of hydrogen and carbon monoxide is produced. These products can be used as base chemicals in various processes.

MODULAR ELECTROLYSIS SYSTEM

Absstract of: EP4530376A1

The invention relates to a modular electrolysis system comprising mulitple modules, wherein each of the mulitple modules comprises a support frame and at least one interface accessible from outside the support frame and configured to connect the module with at least one of the remaining modules, the mulitple modules comprising a water-gas coarse separation module downstream an anode outlet of the electrolysis cell module, and a water-gas fine separation module downstream a liquid outlet of the water-gas coarse separation module.

DE-ALLOYED ELECTROCATALYST

Absstract of: WO2025068691A1

The present invention provides a process for preparing solid, non-porous, de-alloyed electrocatalyst particles, the process comprising the steps of: providing solid, non-porous, platinum group metal alloy precursor particles PMn in which P is a platinum group metal and M is at least one alloying metal; in a de-alloying step to provide the solid, non-porous, de- alloyed electrocatalyst particles; supplying carbon monoxide to the precursor particles under conditions which remove at least some of the metal M from the surface of the precursor particles; wherein the de-alloyed electrocatalyst particles are particles of a platinum group metal alloy PMX in which P is a platinum group metal and M is at least one alloying metal, wherein the total atomic composition relative to P of M at the surface of the de-alloyed electrocatalyst is lower than the total atomic composition relative to P of M in the bulk of the de-alloyed electrocatalyst, and wherein x is less than n.

ELECTROLYSIS SYSTEM

Absstract of: EP4786653A1

Provided is an electrolysis system in which current efficiency of an electrolytic hydrogenation reaction is improved by restricting the amount of water migrating to a cathode while also supplying moisture to an electrolyte membrane and reducing resistance of the electrolyte membrane. Provided is an electrolysis system including an electrolyte membrane having proton conductivity, a cathode containing a catalyst for an electrochemical reaction involving protons, an anode containing a catalyst for oxidizing water to produce protons, and a structure that supplies water vapor to the anode, wherein the anode catalyst layer contains, in part thereof, an ionomer having proton conductivity, and a ratio of (002) diffraction peak intensity of carbon relative to (110) diffraction intensity of Ir oxide of the anode catalyst layer and ohmic resistance of the electrolysis system are within specific ranges.

OFFSHORE ELECTROLYSIS SYSTEM, AND METHOD FOR OPERATING AN OFFSHORE ELECTROLYSIS SYSTEM

Absstract of: WO2025124791A1

The invention relates to an offshore electrolysis system (100) comprising a wind turbine (1) having a tower (19), which is anchored to the seabed, and having an electrolysis plant (5), wherein the electrolysis plant (5) is connected to the wind turbine (1) by a supply line (11), and wherein the electrolysis plant (5) has an electrolyser (13) which is arranged in a container (9), wherein the container (9) is arranged below sea level (25). The invention also relates to a method for operating a corresponding offshore electrolysis system. In this method, water is broken down into hydrogen (H2) and oxygen by an electrolyser (13) of the electrolysis plant (5), which electrolyser is located below sea level (25), wherein the hydrogen (H2) produced is transported away via a product gas line (7).

MEMBRANE

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.

CATALYST COMPOSITE WITH GAS PERMEABILITY REDUCTION EFFECT AND POLYMER ELECTROLYTE MEMBRANE INCLUDING SAME

Absstract of: EP4786049A1

0001 The present invention relates to a catalyst composite and a polymer electrolyte membrane including same, wherein the catalyst composite is manufactured by complexing platinum and a metal having a higher ionization tendency than platinum with a functional support. When applied to a polymer electrolyte membrane, the catalyst composite effectively reduces the gas permeating from the counter electrode.

INTEGRATED SYSTEM FOR DEMINERALIZATION AND/OR PURIFICATION OF WATER AND FOR SIMULTANEOUS PRODUCTION OF HYDROGEN

Absstract of: WO2025068933A1

The present invention relates to an integrated system for demineralization and/or purification of water and for the simultaneous production of hydrogen comprising a heat-dissipating element thermally connected to a system for demineralization and/or purification of water which is hydraulically connected to an electrochemical cell producing hydrogen, wherein the system for demineralization and/or purification of water is a system operating through the principle of thermal distillation via membrane and comprises at least two units, each comprising a first chamber, inside which waste water to be demineralized and/or purified flows under pressure and a second chamber, inside which demineralized and/or purified water flows under pressure in the opposite direction with respect to the direction of flow of the waste water, the two chambers being separated by a preferably microporous hydrophobic membrane, wherein the at least two units are placed thermally in series and hydraulically in parallel with continuous flow, wherein each unit is hydraulically connected to a source of waste water and a source of demineralized and/or purified water, in particular wherein each first chamber comprises an inlet portion, hydraulically connected to the source of waste water, for introduction into the first chamber of waste water, while each second chamber comprises an inlet portion, hydraulically connected to the source of demineralized and/or purified water, for introduction into the second chamber

GRID FORMING CONTROL IN A POWER SYSTEM COMPRISING A HYDROGEN ELECTROLYZER STACK

Absstract of: WO2025067620A1

According to the invention it is provided a method for controlling a grid connected power converter having a DC side with a DC link and an AC grid side, and being configured to control power supply to a hydrogen electrolyzer stack. The power supply to the hydrogen electrolyzer stack is controlled by controlling the DC link to thereby control hydrogen production. The method comprises: determining a grid voltage reference; providing a grid forming control for controlling at least the phase angle of the voltage of the power converter using a grid forming controller, operating according to a grid forming algorithm, the grid forming controller being configured to emulate inertia through control of the voltage of the power converter towards the grid voltage reference; the grid forming controller emulating inertia by charging and discharging an inherent capacitance of the electrolyzer stack; monitoring at least one operating parameter of the hydrogen electrolyzer stack; and limiting a change in charging level of the inherent capacitance based on the monitored operating parameter of the electrolyzer stack.

HYDROXY ION CONDUCTIVE MEMBRANE, METHOD FOR PRODUCING HYDROXY ION CONDUCTIVE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, HYDROGEN PRODUCTION METHOD, AND HYDROGEN PRODUCTION SYSTEM

Absstract of: EP4786656A1

Provided are a hydroxide ion-conductive membrane including a porous substrate and a hydroxide ion-conductive polymer disposed at least in pores of the porous substrate and having a thickness of the hydroxide ion-conductive membrane of 5 µm or more and less than 50 µm, in which the polymer has 50% by mole or more of a constituent component (I) derived from a polyfunctional polymerizable monomer having a total of two or more atoms of at least one of an oxygen atom, a sulfur atom, or a nitrogen atom in a structural moiety other than a polymerizable group in constituent components of the polymer, and a method for producing the hydroxide ion-conductive membrane, and a membrane electrode assembly, and a method for producing hydrogen and a hydrogen production system, each using the membrane electrode assembly.

MEMBRANE ELECTRODE ASSEMBLY, HYDROGEN PRODUCTION METHOD, AND HYDROGEN PRODUCTION SYSTEM

Absstract of: EP4786655A1

Provided are a membrane electrode assembly having a structure in which a cathode catalyst layer, a hydroxide ion-conductive membrane, and an anode catalyst layer are laminated in this order, in which a tensile strength (a) and a breaking elongation (b) of a water-swollen body of a polymer contained in the cathode catalyst layer and/or the anode catalyst layer and a tensile strength (c) and a breaking elongation (d) of a water-swollen body of a hydroxide ion-conductive polymer constituting the hydroxide ion-conductive membrane satisfy the following relationships (Ri) and (Rii), a method for producing hydrogen, and a hydrogen production system. Tensilestrengtha>tensilestrengthcBreakingelongationb>breakingelongationd

ELECTROLYTIC CELL HAVING OPTIMIZED CONTACTING OF A CATALYST LAYER

Absstract of: WO2025124766A1

The invention relates to an electrolytic cell (01) for the electrolysis of CO2, comprising a cathode side (02) and an anode side (03). The electrolytic cell (01) comprises a cathode plate (04), a gas chamber (06), a gas-diffusion layer (08), a catalyst layer (09), a water chamber (07) and an anode plate (05). The contacting of the catalyst layer (09) is optimized by using a plurality of current bridges (10). To this end, these current bridges (10) are electrically conductively connected to the cathode plate (04) and to the catalyst layer (09) while penetrating the gas-diffusion layer (08).

Method of operating an electrolyser system

Absstract of: GB2703615A

A method 300 of operating an electrolyser system comprising a plurality of stacks of electrolyser cell units wherein production rate differs between stacks, comprising identifying 305 a first subset of stacks characterised by a first production rate at a nominal temperature and voltage; identifying 310 a second subset of stacks characterised by a second production rate at the nominal temperature and voltage; identifying 315 an overall production rate target; determining 320 a plurality of subsidiary production rate targets for the respective subsets of stacks based on dividing the overall production rate target by the number of stacks; deriving 330 a value for a first control parameter for the first subset of stacks to satisfy their subsidiary production rate target; and controlling 325 the plurality of stacks at the overall production rate target using a first control parameter derived for the first subset of stacks. Also disclosed is a method comprising calculating first and second collective production rates for the first and second subsets of stacks; identifying that the first collective production rate is greater than the second collective production rate; and controlling the plurality of stacks using at least one control parameter derived for the first subset of stacks. Figure 3

一种兼具安全运行与快速复启的电解槽控制系统及方法

Absstract of: CN122503912A

本发明公开了一种兼具安全运行与快速复启的电解槽控制系统及方法，通过气体纯度异常判定阈值：氢中氧＞0.2%、氧中氢＞1.5%。当检测到气体纯度不达标时，系统自适应提升电解槽运行负荷，通过强化电解液循环、均衡槽内工况抑制气体互窜杂质；若超负荷调节无效，系统立即进入安全待机模式。对管路氮气置换、排出不合格气体，向电解槽施加微电压维持电极活性，全程保持槽温与碱液循环；安全待机模式持续时长不超过24h。本发明无需停机即可规避传统停机产生的逆电流对电极的衰减损伤，通过24小时限时安全机制严控运行风险，大幅减少设备启停频次，兼具运行安全性与快速复启能力，有效延长电解槽电极、隔膜使用寿命，适用于各类大中型碱性水电解制氢系统。

基于光伏电解制氢的直流电输出适配控制系统

Absstract of: CN122507055A

本发明公开了基于光伏电解制氢的直流电输出适配控制系统，涉及直流电输出适配控制技术领域，主要是针对光伏电解制氢中，缺乏对电解槽老化状态的精准识别与分级管控的技术问题，本发明中，先结合制氢过程中的电流、电压及效率参数曲线，精准识别电解槽恒定状态与波动状态下的老化异常，针对性采取停机维护、错峰运行或强度调节等措施，避免老化加剧与制氢效率下降，再以环境温度、气压为核心参数，检测运行环境对制氢效率的干扰，及时调整环境控制策略或效率参数设定，保障制氢稳定性，最后结合季节变化划分光伏时段，根据满负荷与低负荷运行的参数差异，结合季节光照变化调整运行参数，实现制氢供需与光伏出力的动态适配。

一种钒掺杂镍磷化物双功能电催化剂及其制备方法和在肼氧化辅助制氢中的应用

Absstract of: CN122503907A

0001 本发明涉及电催化材料。本发明提供了一种钒掺杂镍磷化物双功能电催化剂的制备方法，包括以下步骤：（1）水热反应：将镍源、钒源、氟化铵、尿素加入水溶解，室温条件下磁力搅拌混合均匀，将预处理后的碳布浸入，进行水热反应，干燥，得到亲氧性钒掺杂的氢氧化镍前驱体；（2）磷化处理：将磷酸盐与氢氧化镍前驱体分别置于两个陶瓷舟中，在氩气气氛下焙烧，升温，保温，冷却至室温，即得钒掺杂镍磷化物双功能电催化剂。本发明提供的钒掺杂镍磷化物双功能电催化剂，通过引入亲氧性钒元素重构界面氢键网络和诱导肼双位点吸附，实现了优异的析氢与肼氧化反应动力学，同时有效缓解了活性组分溶解、晶格应力累积等问题，从而实现了超长稳定运行。

一种电解水制氢系统及热管理方法

Absstract of: CN122503890A

本发明公开了一种电解水制氢系统及热管理方法，包括：电解槽连接氢分离器的输入端和氧分离器的输入端，氢分离器的气体输出端连接氢气洗涤器，氧分离器的气体输出端连接氧气洗涤器，氢分离器和氧分离器的液体输出端依次连接换热器、电加热器、碱液循环泵和电解槽，换热器的热循环输出端依次连接S3三通球阀、S2三通球阀、S1三通球阀、冷却水循环泵和换热器的热循环输入端，S3三通球阀与S2三通球阀之间还并联设置有蓄热水箱，S1三通球阀和冷却水循环泵之间还并联设置有冷却塔。本发明通过余热回收储存利用，搭配电加热，增大冷启动碱液升温速率，减少冷启动时间，减少冷启动人、物力消耗，提高能源利用率。

一种低温等离子体催化储能技术及设备

Absstract of: CN122499730A

本发明公开了一种低温等离子体催化储能技术及设备，涉及可再生能源利用、等离子体催化及电能化学储存领域。一种低温等离子体催化储能技术，主要包括以下操作步骤：步骤一、将设备电源接入公共电网或可再生电源，启动控制柜与中控屏，检查系统自检项，由电解槽电源启动电解槽与液流泵；步骤二、通过纯水器向纯水箱供应电解用纯水，液流泵将纯水箱内的纯水输送至电解槽；本发明通过将电解水制氢系统与多通道并联介质阻挡放电等离子体催化反应器模块化集成，以可再生电力为输入，制氢后与氮气或二氧化碳等配气引入反应系统，通过低温等离子体与催化协同作用转化生成氨、甲醇、甲烷等高能化学产物，实现电能化学储存。

泡沫镍负载催化剂及制备方法和应用、电解制氢的方法

Absstract of: CN122503895A

0001 本发明涉及电解制氢技术领域，公开了一种泡沫镍负载催化剂及其制备方法和应用、一种电解制氢的方法。所述制备方法包括：将含M1源的有机溶液和含M2源的水溶液混合，得到前驱体溶液与泡沫镍接触并进行静置反应，得到泡沫镍负载催化剂；其中，M1和M2均为二价金属元素，各自独立选自Co、Fe、Ni和Zn中的至少一种，且M1≠M2。该制备方法采用一步异质成核的有机‑无机溶剂诱导自组装纳米花结构催化剂；同时，将其用于电解制氢，显著提高了电催化氧析出反应的催化性能和稳定性。

一种催化甲酸分解产氢催化剂的制备方法

Absstract of: CN122499813A

本发明提供一种催化甲酸分解产氢催化剂的制备方法，属于催化材料技术领域。该催化剂以具有大π共轭体系的g‑C3N4为载体，负载金属纳米颗粒（钯、铂及其合金），通过浸渍还原法或光还原法实现金属颗粒在载体表面的高分散负载。本发明利用g‑C3N4的π共轭体系与金属纳米颗粒的d轨道形成d‑pπ相互作用，显著降低金属表面电子密度，促进甲酸根离子与金属活性位点的结合，在室温下实现甲酸向H2和CO2的100%选择性转化。所制备催化剂具有催化活性高、稳定性好、制备工艺简单，尤其Pd/g‑C3N4及Pt‑Pd/g‑C3N4催化剂的TOF值显著优于传统载体负载催化剂，为甲酸制氢技术的工业化应用提供了高效催化材料。

一种中压式碱性水电解制氢设备

Absstract of: CN122503887A

0001 本发明涉及氢能制备技术领域，具体地说，涉及一种中压式碱性水电解制氢设备，其包括电解槽以及与电解槽相连通的分离罐，所述分离罐的排气端设置有稳压阀，还包括储液罐，内部储存有备用液体，并与分离罐连通；控制机构，包括随所述分离罐内液位同步升降的漂浮件和限位机构，所述漂浮件根据液位的高度变化，驱动限位机构在第一位置与第二位置之间切换。本发明通过所设的控制机构跟随分离罐液位变化，当电动补水机构失效导致液位异常下降时，控制机构可强制锁闭稳压阀，利用分离罐自身憋压所产生的气压升高，作为判断电解槽仍在产气的状态信号和驱动后续动作的动力源。随后通过感压驱动阀开启储液罐与分离罐之间的补水管路。

一种利用锰介导的水岩反应制氢的方法

Absstract of: CN122501824A

本发明公开了一种利用锰介导的水岩反应制氢的方法，包括以下步骤：（1）取含锰橄榄石进行破碎和研磨处理，得含锰橄榄石粉末；（2）将含锰橄榄石粉末和氯化钠稀水溶液混合，调节反应温度为150~450℃，控制压强为0.1‑100MPa，进行水岩反应，收集气体样品并去除水蒸气即得。该方法采用的新型矿物产氢剂锰橄榄石，同样在自然界大量分布，且可人工合成，并在锰铁矿冶炼废渣中作为废料被遗弃，易获得，原料充足；与传统的镁铁橄榄石相比，锰橄榄石产氢效率快30%左右，产氢量高达2‑16余倍；制氢工艺简洁、稳定，可大规模工业化应用。

一种强酸中稳定的铱-三氧化钨析氧催化剂的制备方法及其应用

Absstract of: CN122503896A

0001 本发明公开了一种强酸中稳定的铱‑三氧化钨析氧催化剂的制备方法及其应用，催化剂技术领域。本发明以六氯化钨为原料，氯化锂与氯化钾的混合盐为熔盐体系，将三者混合均匀后空气气氛煅烧；煅烧后的混合盐用盐酸溶解，离心、洗涤、干燥后得到钨酸前驱体；随后将钨酸前驱体在氩气条件下退火得到正交晶相的三氧化钨；进一步通过KOH溶液刻蚀构建富金属钨空位缺陷的三氧化钨载体，再经IrCl<3>溶液浸泡负载，空气氛围煅烧，制备得到正交晶相铱‑三氧化钨催化剂。本发明制备的正交晶相铱‑三氧化钨催化剂在强酸体系中展现出优异的OER催化性能与长期稳定性，解决了传统铱基催化剂在强酸环境中稳定性差、成本高的技术瓶颈。

电解水制氢用T型耦合式气液分离冷凝一体化装置及工作流程

Absstract of: CN122499581A

0001 本发明涉及电解水制氢设备的技术领域，提供一种电解水制氢用T型耦合式气液分离冷凝一体化装置及工作流程，包括壳体，所述壳体包括水平分离段、垂直冷凝段和集液段，所述集液段与所述垂直冷凝段位于同一垂直面且垂直冷凝段位于集液段的上方，所述水平分离段与垂直冷凝段、集液段连通并共同构成T型结构；所述垂直冷凝段与所述水平分离段的交汇处形成气体转向通道，使初步脱液后的气体由水平流动转变为垂直向上流动，所述转向通道行成导流过渡结构，避免气体流动产生涡流导致二次夹带。本发明采用三级协同净化，气液分离与除沫效率优异采用气液旋流初分+冷凝深度脱水+丝网除沫三级协同处理机制，配合强旋流场强化液滴脱离、均流板优化气流分布，可高效去除气体中夹带的电解液雾滴与水蒸气。

一种电解水制氢涂层及其制备方法

Absstract of: CN122503898A

本发明公开了一种电解水制氢涂层及其制备方法，属于表面工程技术领域。所述电解水制氢涂层的制备方法包括以下步骤：（1）采用激光诱导表面改性技术对金属基底进行表面纳米化处理，随后进行等离子体处理，得到预处理基体；（2）采用原子层沉积技术在预处理基体上沉积致密钛基纳米层；（3）采用化学气相沉积技术在底层上沉积掺杂纳米材料中间层；（4）采用物理气相沉积技术在中间层上沉积NiFe2O4高活性催化材料顶层；（5）采用等离子体增强化学气相沉积技术在顶层表面沉积导电功能聚合物保护层。本发明制备的电解水制氢涂层具有优异的附着力、催化活性和长期稳定性，使用寿命较长。

NiMn-LDH析氧电极及其制备方法

Absstract of: CN122503897A

0001 本申请提供了一种NiMn‑LDH析氧电极及其制备方法，所述NiMn‑LDH析氧电极的制备方法包括以下步骤：以导电基底为工作电极，置于电镀液中进行电沉积处理，电镀液含有镍盐、锰盐以及聚四氟乙烯，在导电基底上沉积形成NiMn‑LDH催化层。本申请通过将导电基底在含有镍盐、锰盐、导电盐以及聚四氟乙烯分散液的电镀液中进行电沉积处理，所形成的NiMn‑LDH催化层具有由亲水的催化剂活性中心和分散的疏水聚四氟乙烯位点组成的非均相表面，既能缩短气泡停留时间，提升传质效率，消除气泡屏蔽效应，又能增强催化层与导电基底、催化层内部之间的结合强度，提升NiMn‑LDH析氧电极的机械稳定性与服役寿命。

触媒、アノード電極、および電気化学反応器

Absstract of: JP2026125887A

【課題】水などの酸素発生源から酸素を発生させる触媒において、酸素発生に必要な電圧を低下させることができる触媒、その触媒を有するアノード電極、および電気化学反応器を提供する。【解決手段】酸素発生源から酸素を発生するための触媒であって、２つのＣｕ原子と、ハロゲン原子と、Ｎ原子含有有機配位子と、有する金属錯体である、触媒である。【選択図】なし

一种中空球状CdS/Ag2S光催化剂及其制备方法和应用

Absstract of: CN122499802A

0001 本发明公开了一种中空球状CdS/Ag<2>S光催化剂及其制备方法和应用，属于光催化材料制备技术领域。制备方法包括以下步骤：水解缩合制备SiO<2>模板纳米球；将SiO<2>模板纳米球分散于水中，加入柠檬酸钠、镉源、氨水和硫源进行回流反应，得CdS/SiO<2>复合纳米球；将CdS/SiO<2>复合纳米球分散于有机溶剂中，再加入银源进行阳离子交换反应，得CdS/Ag<2>S/SiO<2>复合材料；采用刻蚀法去除SiO<2>，即得。本发明还公开了中空球状CdS/Ag<2>S光催化剂及其应用。本发明可解决现有CdS光催化剂光生载流子复合率高、光腐蚀严重、比表面积小且本征活性低的问题，应用前景广泛。

一种防泄漏的水雾制氢装置

Absstract of: CN122503889A

0001 本发明公开了一种防泄漏的水雾制氢装置，包括：雾化装置，所述雾化装置的外壁固定连接有电解装置，所述电解装置的外壁固定连接有过滤装置，所述过滤装置的外壁固定连接有储存装置，本发明涉及制氢装置技术领域。该防泄漏的水雾制氢装置，通过设置电解装置和储存装置，电解环节中，密封罩与电解腔通过卡环、卡扣的机械锁止结构紧密贴合，配合密封罩内设的密封圈形成双重密封，可有效阻挡电解产生的混合气体外泄；储存环节里，密封板初始密封储存腔，密封环通过夹爪的精准夹紧进一步强化密封，且夹爪的锁止由拉杆与卡盘、复位弹簧协同实现，确保储存过程中氢气零泄漏。

绿电氢氨协同控制系统、方法、装置、设备及存储介质

Absstract of: CN122503913A

0001 本公开提供一种绿电氢氨协同控制系统、方法、装置、设备及存储介质，主要技术特征包括：管理模块，用于根据生产运行数据及可再生能源发电预测数据，生成生产调度指令；其中，生产调度指令至少包括目标制氢量、目标储放氢量及目标合成氨量；制氢控制模块，用于基于目标制氢量，确定电解槽群组中的各个电解槽的目标功率，控制各个电解槽基于对应的目标功率执行制氢；储氢控制模块，用于基于各个电解槽的实时产氢量及目标储放氢量，控制储氢设备执行充氢操作或放氢操作；空分与制氨控制模块，用于基于目标制氢量及目标合成氨量，确定空分装置及合成氨装置的控制参数，以达到目标合成氨量。

一种介孔TiO2/香豆素掺杂石墨相氮化碳复合光催化剂及其制备方法和应用

Absstract of: CN122499848A

本申请属于纳米光催化材料技术领域，公开了一种介孔TiO2/香豆素掺杂石墨相氮化碳（CM‑CN）复合光催化剂及其制备方法和应用。本发明首先采用结晶驱动的单胶术组装法制备具有均匀介孔结构的TiO2颗粒，用热缩聚法将二羟基香豆素与尿素混合处理后进行高温煅烧，得到CM‑CN；再用溶剂分散促进技术将CM‑CN与介孔TiO2在溶剂中自组装后制得介孔TiO2/CM‑CN复合光催化剂。该介孔TiO2/CM‑CN复合光催化剂具有多级孔结构、高比表面积、优异的亲水性与牢固的界面结合力，实现了光生载流子的高效转移与分离，可构建绿色、稳定、高活性的光催化体系。该材料制备流程简便、原料成本可控、无二次污染，光催化性能显著，具备规模化生产和推广应用的良好潜力。

制氢电源、可再生能源制氢系统及制氢电源控制方法

Absstract of: CN122512780A

本发明公开了一种制氢电源、可再生能源制氢系统及制氢电源控制方法，该制氢电源包括第一级AC/DC变换器和第二级DC/DC变换器，第一级AC/DC变换器的输入端用于连接构网型变流器的输出端，第二级DC/DC变换器的输入端连接第一级AC/DC变换器的输出端，其输出端用于连接电解槽的输入端；制氢电源被配置为根据构网型变流器输出端的电压频率和/或电压幅值自动调整其输出功率，以维持构网型变流器输出端的电压频率和/或电压幅值稳定。本申请的制氢电源能够在可再生能源功率波动时自主维持交流母线稳定，避免制氢系统因功率缺额而停机，保障制氢业务连续性，并延长电解槽使用寿命。

一种便捷式化学制氢剂

Absstract of: CN122501825A

0001 本发明公开了一种便捷式化学制氢剂，成分组成包括金属铝、氧化钙、氯化钠、氯化镁、二氧化硅，金属铝、氧化钙、氯化钠、氯化镁、二氧化硅的质量比为：金属铝:氧化钙:氯化钠:氯化镁:二氧化硅=45%～55%:35%～45%:1%～10%:1%～5%:1%～5%。本发明利用二氧化硅的作用在于快速吸收原料中的水蒸气，同时氯化镁除了协助吸收水蒸气还能在反应过程中起到缓和pH的作用，避免反应之后的水溶液pH值过高导致气体不宜吸入，而有效吸收包装中的氧气以及后续储存过程中透过包装渗透进来的氧气，避免氧气跟铝粉过度接触产生氧化铝，导致铝粉不能有效的参与反应了。

一种析氢阴极催化剂的制备方法、产品及应用

Absstract of: CN122500208A

0001 本发明涉及析氢电极材料制备技术领域，特别是涉及一种析氢阴极催化剂的制备方法、产品及应用。该析氢阴极催化剂的制备方法，包括以下步骤：将镍源、钼源、柠檬酸、高价金属盐、碳酸氢钠及尿素溶于溶剂中，配制成混合溶液；对混合溶液进行第一温度的恒温加热反应，之后加入有机溶质进行第二温度的恒温加热反应，得到前驱体；对前驱体进行热处理，得到析氢阴极催化剂；高价金属盐为Co、Zr、Cr、Ce、Ti、Nb、La金属盐中的至少一种。本发明提供的分段式成核生长制备方法所制备的高价金属掺杂NiMo基析氢阴极催化剂为不易团聚的超细粉体，比表面积大，产率高，具有良好的析氢活性，和耐氧化稳定性。

ポリマー及びそれを用いた電解質膜

Absstract of: JP2026125682A

0001 【課題】 本発明は、上記事情に鑑み、電解質膜、特にアニオン交換膜型水電解法に有用であるポリマーと、それを用いた電解質膜を提案するものである。具体的には、アルカリ耐久性に優れ、更には電解性能に優れる電解質膜用ポリマーの提供を目的とする。 【解決手段】 下記式（１）で表される骨格を構成単位中に有するポリマー。 ［化１］ ［式（１）中、Ｒ<１>は、それぞれ独立に、イオン交換基又はハロゲノ基で置換されていても良いＣ１３－Ｃ２０の直鎖状、分岐状又は環状のアルキル基を表す。］ 【選択図】なし

一种面向纯水电解的一体化膜电极

Absstract of: CN122503888A

0001 本申请涉及电解水制氢技术领域，公开了一种面向纯水电解的一体化膜电极，该膜电极由质子交换膜、复合催化层及界面处的三维连续铂金属网络组成，复合催化层由非贵金属催化剂、羟基化碱性氧化物及阴离子树脂制成，制备通过在界面引入铂颗粒层后进行原位重构，使铂动态溶解并再沉积，形成贯穿锚定在界面两侧的导电网络，利用三维连续铂网络显著降低了界面接触电阻，通过机械互锁增强界面稳定性；利用羟基化氧化物构建局部弱碱性环境，配合铂网络阻隔作用，使非贵金属催化剂能够在纯水工况下稳定运行；同时，铂网络可催化氧化渗透氢，抑制了氢脆风险。本申请最终实现了高活性、低成本且高安全性的纯水电解。

一种磷掺杂镍铁复合氧化物碱性电解水催化剂及其制备方法

Absstract of: CN122503903A

本发明公开了一种磷掺杂镍铁复合氧化物碱性电解水催化剂及其制备方法，涉及电解水制氢技术领域。所述催化剂以泡沫镍为基底，表面负载化学式为NiFeOx:P的磷掺杂镍铁复合氧化物，其中Ni与Fe原子比为1‑4:1，磷掺杂量为0.5‑3 wt%，并呈垂直纳米片结构，片层厚度10‑30 nm。其制备方法包括：泡沫镍预处理；将镍盐、铁盐和磷源溶于醇‑水混合溶剂得前驱体溶液；水热反应生长前驱体；惰性气氛煅烧。该催化剂在1 M KOH中10 mA/cm2过电位低至225 mV，塔菲尔斜率38 mV/dec，100小时衰减＜5%，且成本低廉，适用于碱性电解水制氢领域。

风光电力离网制氢碱性电解槽的电力补偿协同系统及方法

Absstract of: CN122503886A

本发明公开了一种风光电力离网制氢碱性电解槽的电力补偿协同系统，属一种电解制氢系统，包括风光发电单元与碱性电解槽，碱性电解槽接入直流母线，直流母线还接入风光发电单元；可逆固体氧化物燃料电池堆也接入直流母线，直流母线还接入PLC控制单元；可逆固体氧化物燃料电池堆与碱性电解槽分别接入氢气储运装置；PLC控制单元用于通过阈值判断当前碱性电解槽与可逆固体氧化物燃料电池堆的输入状态。通过在系统中集成可逆固体氧化物燃料电池堆，并通过PLC控制单元根据阈值判断切换不同的系统模式，即闭环保护体系使碱性电解槽运行过程中无需外部干预，解决了碱性电解槽在离电网运行时受到风光发电波动影响，频繁启停和功率波动的不匹配问题。

一种超纯水电解制氢用低能耗恒温供水系统

Absstract of: CN122503892A

0001 本发明涉及电解水制氢技术领域，提供了一种超纯水电解制氢用低能耗恒温供水系统，包括PEM电解槽、超纯水供给单元、循环供水回路、局部净化及旁路单元、数据获取模块、数据分析模块、能耗判定模块和能耗控制模块；数据分析模块根据电流、电压、循环流量及进回水温度确定热负荷匹配参数，并确定水质表征状态和流动表征状态；能耗判定模块先判断升温是否为真实热负荷；在非真实热负荷状态下，能耗控制模块根据水质和流动状态确定能耗异常原因，并执行降泵降冷、短时流动纠偏、局部净化或降低电流密度控制，以降低恒温供水附加能耗。

气液混合在线清洗工业废水电解制氢传质膜装置及方法

Absstract of: CN122499645A

0001 本发明涉及一种气液混合在线清洗工业废水电解制氢传质膜装置及方法，属于清洁能源与氢能技术领域。本发明的装置包括壳体、隔板、疏水透气膜、环形射流分布器及气液混合单元，其中，壳体经隔板分隔为碱液腔与废水腔，环形射流分布器环绕疏水透气膜碱液侧布置。所述方法通过监测跨膜压差或补水速率触发，先停止或旁路进料并排空残留液体，再经环形射流分布器向碱液侧喷射气液混合流体反吹膜孔污染物，同步通过废水侧通入反洗水协同冲刷携带污染物排出，无需拆卸膜组件或使用化学药剂。本发明实现原位自动清洗，无清洗死区，能显著延长膜寿命、提升系统运行连续性，降低运维成本与安全隐患，兼顾经济性与环境友好性。

一种密封结构及碱性电解槽

Absstract of: CN122503891A

0001 本发明公开了一种密封结构及碱性电解槽，涉及电解槽密封技术领域，包括双极板，通过在双极板设置第一弯折部和第二弯折部，同时套设一体成型的密封层，并在密封层轴向两侧分别设置第一密封部、第二密封部和第一槽、第二槽，其中一个密封层的第一密封部能够嵌于另一个密封层的第一槽，其中一个密封层的第二密封部能够嵌于另一个密封层的第二槽，实现相互嵌合，能显著提升密封能力，并且在压紧时能实现定位，能简化装配流程。通过第一弯折部、第二弯折部和密封层代替极框和密封圈，能够简化结构和组装工序，避免了因定位偏差导致的密封失效问题。同时，拆卸后密封层的密封结构仍保持完整，可重复装配使用，从而降低运维成本。

一种宽层间距二硫化钼催化剂及其制备方法和应用

Absstract of: CN122503904A

本发明公开了一种宽层间距二硫化钼催化剂及其制备方法和应用，属于电解水制氢能源转换技术领域，该制备方法包括以下步骤：采用钼源和硫源配制二硫化钼前驱体溶液，然后将二硫化钼前驱体溶液和含碳层间距调控剂进行水热反应，经离心洗涤后得到宽层间距二硫化钼催化剂；其中，所述含碳层间距调控剂用于在水热反应过程中插入二硫化钼层间，提高所得二硫化钼催化剂的（002）晶面层间距。本发明的宽层间距二硫化钼催化剂有利于电解液的渗透和氢气泡的释放，能有效避免活性位点阻塞、增强催化剂的本征电导率，加速材料内部电荷传输、增加析氢反应活性位点和提升催化剂本征析氢催化活性。

一种氨基化多壁CNTs/TpBD-COF复合材料及其制备方法

Absstract of: CN122499838A

本发明提供一种氨基化多壁CNTs/TpBD‑COF复合材料及其制备方法，所述氨基化多壁CNTs/TpBD‑COF复合材料通过溶剂热法在所述氨基化多壁CNTs表面上原位生长TpBD‑COF层，形成以氨基化多壁CNTs为核、TpBD‑COF为壳的复合结构。所述TpBD‑COF呈现其花瓣为片状结构组装而成的花状形貌，所述氨基化多壁CNTs外径为8‑15 nm，长度约为50μm。本发明提供的氨基化多壁CNTs/TpBD‑COF复合材料在可见光照射下呈现出优异的光催化裂解水制氢性能，产氢速率高达9.10 mmol·g‑1·h‑1，且经过多次循环测试后，表现出良好的性能稳定性和结构稳定性，是一种高效、稳定的新型光催化剂。

電気触媒用電極の製造方法

Absstract of: WO2021209547A1

The present invention relates to a method for the preparation of an electrode suitable for electrocatalysis comprising an electrocatalytically active material, in particular an anode for alkaline water hydrolysis, said method comprising the steps of (i) providing a carrier suitable for an electrode comprising an electron conductive material, (ii) providing a precursor mixture suitable for the combustion synthesis method, (iii) transferring to the electron conductive material of the carrier of step (i) the precursor mixture of step (ii) to produce an electrode precursor; and (iv) heating the electrode precursor obtained in step (iii) to produce self-ignition of the transferred precursor mixture. The invention also relates to an electrode obtainable by the method of the invention and to its use in electrocatalysis.

プロトン交換膜（ＰＥＭ）電解装置で使用するためのマイクロエキスパンド金属メッシュ多孔質輸送層（ＰＴＬ）を有するアノードパックアセンブリおよびその製造方法

Absstract of: US2025027210A1

A PEM electrolyzer PTL is created from micro-expanded mesh metal foil layers to allow for a precise level of control over the thickness of the layers, porosity, tortuosity, pore size, interlayer connectivity, and surface roughness. Pore sizes range from 3 μm to 30 μm with a porosity (mesh open area) of 10-50%. A PEM anode pack assembly is formed from the micro-expanded PTL layers with a multi-layer expanded metal flow field and bipolar plate. The 3 subcomponents are diffusion bonded together to form an integrated pack and PVD coated on the outside surfaces.

アンモニア分解プロセスからの水素の回収

Absstract of: EP4501433A1

Process of separating hydrogen from an effluent gas produced by an endothermic ammonia cracking reaction, said effluent gas comprising hydrogen and nitrogen, said process comprising a step of pressure swing adsorption separation of the effluent gas, said step comprising separating the effluent gas by pressure swing adsorption according to a pressure cycle, thereby producing a hydrogen product gas and generating off gas, the pressure cycle comprising an off gas generation period of time during which said off gas is generated, said off gas generation period of time comprising :- a fuel off gas generation period of time during which a fuel off gas is generated,- a nitrogen richer off gas generation period of time during which a nitrogen richer off gas is generated, said nitrogen richer off gas having a higher nitrogen content than the fuel off gas, wherein the process comprises :- routing the fuel off gas to a furnace (5) and combustion of said fuel off gas in said furnace (5) to provide heat to the endothermic ammonia cracking reaction,- diverting the nitrogen richer off gas from the furnace (5).

고체 산화물형 수전해용 스테인리스 강재

Absstract of: WO2025216105A1

Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.

Co-generative device for the production of hydrogen, electric power, and thermal power with zero emissions

Absstract of: WO2025126055A1

A system is described for the production of hydrogen and thermal power through a spontaneous electrochemical oxidation-reduction reaction, formed by at least one reactor (1) composed by a loading line (2) that introduces a reacting material into a reaction basin (6); at least one discharge body (12) for the hydroxide produced during the reaction, wherein the pH is transformed into a desired value by the introduction of an acidic solution through a loading line (13); at least one loading line (3) of water that is supplied into the reaction basin (6); at least one cathode body (5) made of porous material containing gaseous oxygen; at least one loading line (4) that allows the oxygen to be replenished at the cathode body (5); at least one porous material filter (7) for separating the gaseous hydrogen from solid residues produced during the reaction; and at least one discharge line (8) for the release of gaseous hydrogen. The system is configured to perform a process for the production of hydrogen and thermal power through an oxidation-reduction reaction between a material acting as an anode, a material acting as a cathode and a material acting as an electrolyte.

System and method for production of hydrogen peroxide

Absstract of: WO2025147706A1

The present disclosure relates, generally, to an electrochemical system and method of producing hydrogen peroxide.

用于水电解的催化剂涂覆的膜

Absstract of: WO2025163301A1

A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a thin film coating of an oxide of iridium on a first major surface of an electrolyte membrane. The thin film coating satisfies the following requirements: (i) the thin film coating has a first region adjacent to the electrolyte membrane and a second region distal to the electrolyte membrane; (ii) the porosity of the second region of the thin film coating is higher than the porosity of the first region of the thin film coating; and (iii) the thin film coating has a total porosity in the range of and including 20 to 60 vol%.

METHOD OF MANUFACTURING RANEY COMPLEX NICKEL CATALYST ELECTRODE USING GALVANIC CORROSION AND RANEY COMPLEX NICKEL CATALYST ELECTRODE MANUFACTURED THEREBY

Absstract of: KR20260118584A

0001a 본 발명은 킬레이팅 에이전트와 전이금속 전구체가 용해된 침출용액에 니켈 및 침출금속의 합금을 침지시켜 침출금속을 침출시킴과 동시에 갈바닉 반응을 통해 전이금속 또는 전이금속 화합물을 침출금속이 침출된 위치에 담지하는 레이니 복합 니켈 촉매전극의 제조 방법에 관한 것이다.

化学回路系统及程序

Absstract of: CN224086689U

A chemical loop system capable of adjusting the ratio of produced hydrogen to produced heat in one embodiment comprises a cyclone separator, a combustor, a reducer, an oxidizer, a buffer tank and a gas supply device which can be sequentially communicated from top to bottom, the ascending pipe is used for communicating the air supply device at the bottom and the cyclone separator at the top end; wherein the carrier particles can continuously circulate up and down in the system.

水电解用电极和水电解用电极的制造方法

Absstract of: WO2025143196A1

This water electrolysis electrode comprises a substrate and a catalyst portion. The catalyst portion includes Raney nickel particles and metal particles that contain nickel as a main component. The metal particles are in contact with the Raney nickel particles and include aluminum. The ratio of the total number of moles of aluminum to the total number of moles of nickel in the Raney nickel particles is greater than the ratio of the total number of moles of aluminum to the total number of moles of nickel in the metal particles.

水电解用阴极和水电解用阴极的制造方法

Absstract of: AU2024412736A1

This cathode for water electrolysis includes a catalyst part and a reverse current absorber that is electrically connected to the catalyst part, wherein the reverse current absorber contains a hydrogen storage alloy, and the hydrogen storage alloy contains Al.

膜电极接合体、电化学电池及氢制造装置

Absstract of: EP4786650A1

0001 A membrane electrode assembly includes: an anode; a cathode; and an electrolyte membrane provided between the anode and cathode. The anode includes: a porous and conductive anode conductive transport layer; and an anode catalyst layer provided between the anode conductive transport layer and the electrolyte membrane. The anode catalyst layer includes first sheet layers and first gap layers, each first sheet layer and each first gap layer being alternately stacked. The cathode includes a porous and conductive cathode conductive transport layer, and a cathode catalyst layer provided between the cathode conductive transport layer and the electrolyte membrane. The cathode catalyst layer includes second sheet layers and second gap layers, each second sheet layer and each second gap layer being alternately stacked. A porosity of the cathode conductive transport layer is higher than a porosity of the anode conductive transport layer.

膜电极接合体及电化学反应装置

Absstract of: EP4786649A1

A membrane electrode assembly includes an anode having an anode catalyst layer, a cathode having a cathode catalyst layer, and an electrolyte membrane provided between the anode and the cathode. An ion exchange equivalent weight of the electrolyte membrane is equal to or higher than an ion exchange equivalent weight of the cathode catalyst layer. An ion exchange equivalent weight of the anode catalyst layer is higher than the ion exchange equivalent weight of the cathode catalyst layer and is equal to or higher than the ion exchange equivalent weight of the electrolyte membrane.

Système d’électrolyse comprenant une pluralité d’ensembles modulaires.

Absstract of: FR3171664A1

Système d’électrolyse comprenant une pluralité d’ensembles modulaires. L’invention concerne un système d’électrolyse (1) caractérisé en ce qu’il comprend une pluralité d’éléments modulaires, la pluralité d’éléments modulaires comprenant : au moins un module d’électrolyseurs (4) comprenant N stacks d’électrolyseurs, N étant un nombre entier naturel supérieur ou égal à deux, les N stacks d’électrolyseurs étant configurés pour produire, à partir d’un fluide, un premier mélange et un deuxième mélange,un groupe de traitement du premier mélange (6), ledit groupe de traitement du premier mélange (6) comprenant : au moins un module de séparation du premier mélange (10), configuré pour séparer le premier mélange en un premier gaz et en ledit fluide,au moins un premier module de recirculation (12) configuré pour assurer la recirculation du fluide vers l’au moins un module d’électrolyseurs (4), la pluralité d’éléments modulaires étant physiquement déconnectée les uns des autres et configurée pour être interconnectée fluidiquement entre eux. (Figure 1)

一种氮化碳包覆镍钌合金催化剂及其制备方法与应用

Absstract of: CN122479791A

0001 本发明涉及一种氮化碳包覆镍钌合金催化剂及其制备方法与应用，属于氨分解催化剂制备技术领域。包括步骤：按照镍与钌的摩尔比为（7~9）：（1~3）的比例，将镍源和钌源混合为金属盐混合物；按照络合剂与金属盐混合物中的金属元素的摩尔比为（1.0~1.5）：1，将络合剂、金属盐混合物、助燃剂与溶剂混合为混合液；去除混合液中设定量的溶剂后获得第一混合物，将混合物在第一保护气氛下于200~350℃引发自蔓延燃烧反应，获得第二混合物；将第二混合物在第二保护气氛下加热至600~750℃焙烧1~3h，获得所述氮化碳包覆镍钌合金催化剂。络合剂避免了传统浸渍法在干燥和焙烧过程中因溶质偏析导致的颗粒聚集，自蔓延放热燃烧反应促进Ni‑Ru完全互溶，形成晶格匹配的合金结构。

一种无需外加牺牲剂的基于金属负载的塑料光催化制氢的方法

Absstract of: CN122482403A

0001 一种无需外加牺牲剂的基于金属负载的塑料光催化制氢的方法，它属于光催化能源转化与塑料废弃物资源化利用技术领域。方法：一、塑料碱水解；二、制备Fe/TiO<2>催化剂；三、光催化产氢。本发明以塑料水解液为光重整底物，在不添加牺牲剂的条件下，利用金属负载催化剂实现塑料水解液的直接光重整产氢，解决了传统技术依赖牺牲剂、催化剂效率低等问题。本发明构建塑料水解‑光催化产氢闭环体系，突破传统塑料回收高能耗、低附加值的局限，将废弃塑料直接转化为高价值氢气，相同条件下产氢速率较未负载金属的TiO<2>显著提高；同时水解液无需分离提纯，无需外加牺牲剂，简化流程的同时降低了能耗与处理成本，实现“污染治理‑能源生产”的协同。

一种Fe3C/Fe/单壁碳纳米管复合电催化材料及其制备方法与应用

Absstract of: CN122484832A

0001 本发明公开了一种Fe<3>C/Fe/单壁碳纳米管复合电催化材料及其制备方法与应用，属于电催化析氢材料技术领域。本发明方法将对苯二甲酸、二茂铁和乙醇混合，通过加热搅拌形成均一前驱液，再经雾化和浮动催化剂化学气相沉积，一步原位合成Fe<3>C/Fe纳米颗粒镶嵌或部分包覆于单壁碳纳米管管束的复合电催化材料。本发明通过特定前驱体配方和工艺，协同调控了活性相与导电骨架的原位生长。所得材料在碱性电解液中表现出优异的析氢反应活性，过电位低至191±2 mV，且稳定性好。该方法简单可控，易于规模化，在电解水制氢领域具有广阔应用前景。

一种柠檬酸辅助CeO2-X修饰的NiMo合金催化剂的制备方法及应用

Absstract of: CN122484838A

0001 本发明公开了一种柠檬酸辅助CeO<2‑x>修饰的NiMo合金催化剂的制备方法及应用，包括S100，选取导电基底并对导电基底进行除杂；S200，通过镍盐水溶液和钼盐水溶液制备镍钼混合盐溶液；S300，将导电基底放入镍钼混合盐溶液后，进行水热反应，获得镍钼氧化物前驱体；S400，通过铈盐与柠檬酸制备含铈纳米颗粒溶胶；S500，将镍钼氧化物前驱体在含铈纳米颗粒溶胶中得到CeO<2‑x>/NiMo复合前驱体；S600，将CeO<2‑x>/NiMo复合前驱体还原气氛中进行还原反应，得到CeO<2‑x>修饰的NiMo合金催化剂；本发明借助柠檬酸酯化交联实现CeO<2‑x>均匀包覆NiMo合金，所得催化剂在碱性电解水中兼具低过电位与超长大电流稳定寿命，制备工艺简单、成本低廉。

一种铱锰氧化物催化剂及其制备方法和应用

Absstract of: CN122484818A

本发明涉及电解水制氢技术领域，具体涉及一种铱锰氧化物催化剂及其制备方法和应用。商品化二氧化铱对OER反应的电催化稳定性不佳。针对上述问题，本发明提供一种铱锰氧化物催化剂，采用由硝酸钠与氢氧化钾按质量比1:1组成的复合熔盐介质进行高温煅烧，所得IrMnO催化材料在长时间析氧反应测试中表现出平稳的电位响应。计时电位曲线显示，催化剂在持续运行过程中电位无明显升高，未出现明显的活性衰减或材料溶解失活现象，其稳定性优于传统二氧化铱催化剂。

一种AlCoCrFeNi2.1/高熵氧化物/TiB2三元电催化剂及其制法与应用

Absstract of: CN122484834A

本发明提供一种AlCoCrFeNi2.1/高熵氧化物/TiB2三元电催化剂及其制法与应用。该电催化剂包含高熵合金AlCoCrFeNi2.1、TiB2以及位于二者界面处的纳米级高熵合金氧化物，形成高熵合金/纳米级高熵氧化物/TiB2的三明治式三元异质结构。其制备方法包括：将AlCoCrFeNi2.1与TiB2混合后，采用分段式球磨工艺进行机械合金化处理，所得复合粉末负载于导电基底上，通过原位电化学氧化处理，在界面处原位生成纳米级高熵合金氧化物中间层。本发明电催化剂实现了析氧反应电催化剂的高催化活性、超长耐久性（1000小时）和优异耐海水腐蚀性能的协同提升。适用于电解水析氧反应及碱性海水电解。

一种纳米级低价态铱钌氧化物催化剂及其制备方法与应用

Absstract of: CN122482525A

一种纳米级低价态铱钌氧化物催化剂及其制备方法与应用，属于纳米材料制备技术领域。催化剂晶体结构为单斜晶系，颗粒尺寸为纳米级，其中Ru和Ir分别稳定于+3~+4的混合低价态。与传统+4价金红石相不同，本发明催化剂的金属价态经历长时间催化后仍能保持低价态，避免了不可逆过氧化，同时氧化物骨架保持结构刚性。本发明还提供了该催化剂的制备方法，通过共沉淀、煅烧、混合溶剂热还原及惰性气氛热处理的组合工艺，实现晶相转变与价态调控。该方法操作可控、重复性好，所得催化剂兼具高活性和高稳定性，在10 mA cm−2电流密度下可连续稳定运行100小时以上，可作为酸性水分解制氢领域的高效阳极电催化剂，具有广阔的应用前景。