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846
results.
Updated on
25/04/2026 [07:39:00]
Absstract of: AU2024412535A1
A methanol production method comprising: a step (A) for acquiring a synthesis gas comprising at least carbon dioxide and hydrogen; a step (B) for reacting the synthesis gas in the presence of a catalyst to obtain a methanol mixture; a step (C) for distilling the methanol mixture to separate out each of methanol, a distillation waste liquid, and distillation wastewater; and a step (D) for subjecting the distillation waste liquid and/or the distillation wastewater to an organic matter decomposition treatment to obtain a decomposition gas and treated water.
Absstract of: WO2026083621A1
The present invention makes it possible to supply hydrogen gas from which impurities such as moisture and oxygen are suitably removed to a supply object that requires highly pure hydrogen gas. The present invention is provided with solenoid valves 7a, 7b which adjust the detection position of oxygen by an oxygen detection unit 8 and the flow rate of hydrogen gas Gh to a storage unit 20 in accordance with the control of a control unit 9, and is configured such that "a removal unit (a gas-liquid separation tank 3, a hollow fiber membrane filter 4, an oxygen removal filter 5, and a moisture removal filter 6)" and the oxygen detection unit 8 are housed in a housing 10, and the hydrogen gas Gh passed through the detection position is discharged into the housing 10. The hollow fiber membrane filter 4 is disposed so that the moisture separated from the hydrogen gas Gh can be discharged into the housing 10. When the hydrogen purity of the hydrogen gas Gh specified on the basis of the detection result by the oxygen detection unit 8 reaches a predetermined allowable purity for supply, the control unit 9 controls the solenoid valves 7a, 7b to supply the high purity hydrogen gas Gh to the storage unit 20.
Absstract of: AU2024336445A1
The present invention relates to a method for obtaining hydrogen through water molecule dissociation using thermochemical reactions under (quasi-)isothermal conditions, which comprises the following steps: placing active material (103) in the reaction chamber (109) of a reactor (101); reducing the active material (103) by supplying heat; evacuating the oxygen produced through a first outlet (106); injecting water into the reaction chamber (109); oxidising the active material (103), thereby producing hydrogen; filtering the hydrogen produced through a selective filter (104) during the oxidisation of the active material (103); and evacuating the filtered hydrogen through a second outlet (107), thereby obtaining a flow of high-purity hydrogen. The invention also relates to a device for carrying out the method.
Absstract of: WO2026081643A1
A hydrogen generator having a condensate water collection function, comprising a water tank, an electrolytic tank, a condensing and filtering device, a humidifier, and an integrated flow channel device, wherein the water tank comprises an accommodating space for accommodating electrolytic water; the electrolytic tank receives the electrolytic water to generate and output a hydrogen-containing gas; the condensing and filtering device is coupled to the electrolytic tank to condense and filter the hydrogen-containing gas; the humidifier comprises a water collection chamber and a humidification chamber isolated from each other; the water collection chamber is used for collecting condensate water generated from the hydrogen-containing gas after condensation, and the humidification chamber is used for accommodating make-up water and receiving the hydrogen-containing gas into the make-up water; and the integrated flow channel device is coupled to the water tank, the electrolytic tank, the condensing and filtering device, and the humidifier, so that the make-up water in the humidification chamber can be supplemented from the humidification chamber, the water collection chamber, and the condensing and filtering device into the water tank.
Absstract of: WO2026082793A1
The invention relates to a method and plant for producing hydrogen comprising an electrochlorination unit (10) and a water electrolysis unit (11). In the electrochlorination unit (10), seawater (12) or brine is electrolyzed to produce a liquid hypochlorite stream and an oxygen-polluted hydrogen gas stream. The hydrogen gas is separated from the liquid phase in a degasser vessel (18). High-purity hydrogen produced in the water electrolysis unit (11) from demineralized water (22) is divided into two portions, one portion (37) being mixed with the oxygen-polluted hydrogen in the degasser vessel (18) to form a non-flammable mixed gas, and the other portion (38) being supplied to an ejector (50) for compressing and further concentrating the mixed hydrogen. Optionally, residual oxygen is removed in a DE-OXO unit (54). The invention enables recovery and utilization of hydrogen from electrochlorination processes while improving overall hydrogen yield and safety.
Absstract of: WO2026082452A1
An electrolyser cell comprises a diaphragm which partitions the cell into a cathode chamber and an anode chamber and wherein an oxygen evolving anode electrode arranged at the anode chamber side of the diaphragm and a hydrogen evolving cathode electrode arranged at the cathode chamber side of the diaphragm is provided. A spacer is provided between the cathode electrode and the diaphragm, and/or between the anode electrode and the diaphragm which spacer is adapted to ensure contact between electrolyte fluid elements in the cathode and/or in the anode chamber and the diaphragm, and adapted to ensure a pre-determined non-zero distance D between the cathode electrode and/or the anode electrode and the diaphragm.
Absstract of: US20260110100A1
0000 Provided are systems and methods for multi-process generators employing fermentation, desalination, and electrolysis technologies. The generator system includes a fermentation compartment configured to receive a mixture of biomass waste and an anaerobic microorganism solution comprising bacteria for bioenergy production; an electrolysis compartment configured to receive an electrolyte solution comprising a saline mixture, the electrolysis compartment including first and second spaced apart electrodes at least partially submerged in the electrolyte solution; and a desalination compartment positioned between the fermentation compartment and the electrolysis compartment, the desalination compartment configured to receive a saline solution and comprising an anion exchange membrane separating the desalination compartment from the electrolysis compartment and a cation exchange membrane separating the desalination compartment from the fermentation compartment, wherein the desalination compartment is configured to perform ion exchange processes to produce freshwater.
Absstract of: US20260110234A1
Embodiments of the invention relate to producing hydrogen from a subsurface formation by injecting a reactant into the subsurface formation and reacting the reactant with the subsurface formation to form at least one of hydrogen gas or a mineralized product within the subsurface formation. The hydrogen produced is collected or one or more components of the reactant is sequestered to form a mineralized product in the subsurface formation. Other embodiments of the invention relate to producing hydrogen by injecting a thermal fluid into the subsurface rock formation, where the thermal fluid includes a reactant. The reactant is reacted with components in the subsurface formation to form at least one of hydrogen gas mineralized sulfur, or mineralized carbon.
Absstract of: EP4729490A1
0001 One aspect of the present invention provides a system for manufacturing sodium hypochlorite and hydrogen gas, comprising: a desalination module generating a fresh water stream and a concentrated water stream by desalinating seawater; a crystallization module generating a solid raw material including sodium chloride by crystallizing the concentrated water stream; an electrolysis module generating sodium hypochlorite and by-product gas by electrolyzing reactants derived from the solid raw material and water; and a gas purification module generating hydrogen gas by purifying the by-product gas.
Absstract of: WO2025029154A1
The present invention relates to a system and method for generating and providing hydrogen to a combustion engine, and for controlling the generation and provision of hydrogen to a combustion engine; comprising a combustion engine; an electrolysis cell for converting water into hydrogen gas and oxygen gas, wherein the electrolysis cell is at least fluidly connected to the combustion engine; an electronic process control system is operatively connected to the electrolysis cell to control the generation of hydrogen gas and delivery of hydrogen gas to the combustion engine; and an enclosure comprising an explosion protection system and/or walls of glass fibre or carbon fibre reinforced thermosetting polymer or metallic material, and wherein the enclosure comprises at least part of the electronic process control system.
Absstract of: WO2024256820A1
The present invention provides a method of controlling an electrolyser cell stack within a system having a fluid temperature control system, a current control system, a voltage monitoring system, monitoring/control systems for the temperatures of the fluid inlet and outlet, by controlling the current to a fixed value, calculating a temperature delta between the fluid inlet and outlet, and adjusting the fluid input temperature if the delta is greater than a threshold value. The present invention also provides a method of determining a stack operating condition is the temperature delta as measured above is lower than a threshold value. The present invention also provides a control device and computer program capable of executing the method as outlined above.
Absstract of: WO2024256503A1
The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi
Absstract of: EP4729656A1
0001 A bipolar plate is provided that includes an inlet side, an outlet side opposite of the inlet side, a first side extending from the inlet side to the outlet side, and a second side parallel to the first side and extending from the inlet side to the outlet side. A perimeter is defined by the outer edges of the bipolar plate and an area is defined within the second perimeter. The perimeter is selected to reduce material in the bipolar plate. An electrolyzer stack is also provided.
Absstract of: EP4729472A1
The invention relates to a method of converting methane from a natural gas field with simultaneous production of hydrogen and recovery of carbon dioxide. The method includes the steps of a steam reforming reaction of desulfurized methane in a co-electrolyzer (1), resulting in carbon monoxide and hydrogen; a water gas conversion reaction between carbon monoxide and water, resulting in carbon dioxide and additional hydrogen; a reaction between the carbon dioxide formed in step b) and water, resulting in an additional hydrogen molecule and a carbonate anion; a molten carbonate electrolysis reaction in which the carbonate anion CO32- is decomposed, producing oxygen, electrons and carbon dioxide, which is returned to the storage. In addition, the invention relates to the use of this method to store surplus energy from renewable energy sources.
Absstract of: EP4729657A1
0001 A method is described for generating hydrogen by means of a PEM cell and water electrolysis, wherein leads of a photovoltaic solar panel, through which the panel supplies an electrical voltage and current towards its outside, are electrically connected by electrical conductors to electrical supply terminals of a PEM electrolytic cell which is external to the panel and designed to operate directly with the electrical voltage and current as generated at the leads.
Absstract of: EP4729655A1
A layered bipolar plate (208) is provided that includes a steel layer (402) and a titanium layer (404). The steel layer (402), which is configured to be exposed to water and H2, is in contact to the titanium layer (404), which is configured to be exposed to water and 02. The titanium layer has an area that is smaller than the steel layer.
Absstract of: EP4729660A2
Provided herein are alkaline electrolyzer systems comprising one or more components that improve the performance, efficiency, and/or longevity of the system. For example, the alkaline electrolyzer system may comprise one or more of (1) a filtration component comprising one or more filtration media, (2) an ion exchange component comprising at least one ion exchange resin, (3) a corrosion inhibition component configured to introduce at least one corrosion inhibitor into the electrolyte solution, and (4) a chelating agent component configured to introduce at least one chelating agent into the electrolyte solution.
Absstract of: EP4729659A1
The present application provides a bipolar plate, an end plate and an alkaline electrolyzer. The positions of a first alkali liquor inlet through hole group and a second alkali liquor inlet through hole group are rationally arranged at the bottom of an electrode frame, such that when the bipolar plate is applied to the alkaline electrolyzer, alkali liquor firstly enters a first alkali liquor inlet channel formed by first through holes of the first alkali liquor inlet through hole group and a second alkali liquor inlet channel formed by first through holes of the second alkali liquor inlet through hole group from one end of the alkaline electrolyzer. After arriving at the other end of the alkaline electrolyzer, the alkali liquor enters individual electrolysis cells from second through holes of the first alkali liquor inlet through hole group and second through holes of the second alkali liquor inlet through hole group, so as to realize uniform distribution of the alkali liquor, and solves the problem of the uneven distribution of the alkali liquor caused by the excess length of an electrolyzer body of a large alkaline electrolyzer, thus preventing the operating conditions of the alkaline electrolyzer from getting worse, improving the efficiency of hydrogen production, and finally achieving the purpose of saving the electric energy consumption of the alkaline electrolyzer.
Absstract of: WO2025022382A1
The present invention relates to a process of producing hydrogen gas from water vapor in the presence of an alkali metal, which is being recycled through the process.
Absstract of: US12503781B2
0000 Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Absstract of: AU2024352660A1
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
Absstract of: WO2026079698A1
A hydrogen supply system for a ship according to one embodiment of the present disclosure may comprise: an ammonia tank (100) for storing liquid ammonia; a reforming unit (300) for decomposing ammonia supplied from the ammonia tank to produce hydrogen; and a first heat exchanger (210) for raising the temperature of a heat exchange medium, which vaporizes ammonia supplied from the ammonia tank through heat exchange, by heat exchange with seawater.
Absstract of: US20260103814A1
A water electrolysis electrode includes an electroconductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the electroconductive substrate. The layered double hydroxide layer includes a roughness layer. In the layered double hydroxide layer, the proportion of the thickness of the roughness layer to the thickness of the layered double hydroxide layer is 4.8% or more.
Absstract of: US20260103379A1
Process A process for producing hydrogen gas from the catalytic cracking of ammonia. The process comprises the step of supplying a hydrogen containing recycle gas taken from downstream of an ammonia cracking reactor to one or more catalyst containing reaction tubes disposed within the ammonia cracking reactor. The invention may be used to provide hydrogen gas as a non-carbon containing fuel.
Nº publicación: US20260103807A1 16/04/2026
Applicant:
SAUDI ARABIAN OIL COMPANY [SA]
Absstract of: US20260103807A1
Power is provided to an electrochemical cell. The electrochemical cell includes an anode side and a cathode side. Hydrogen sulfide in a liquid state is flowed to the anode side. Providing power to the electrochemical cell facilitates electrolysis of the hydrogen sulfide to produce sulfur and protons on the anode side. Providing power to the electrochemical cell facilitates reduction of protons to produce hydrogen on the cathode side. A membrane separating the anode side from the cathode side prevents flow of hydrogen sulfide and sulfur from passing through the membrane while allowing hydrogen cations to pass through the membrane. Sulfur is flowed out of the anode side. Hydrogen is flowed out of the cathode side.
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