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398
resultados
Última actualización
22/08/2025 [06:57:00]
Resultados 50 a 75 de 398
Resumen de: US2025250686A1
A water electrolysis device includes a water electrolysis module that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion configured to increase a temperature of the generated hydrogen between the condenser and the blower.
Resumen de: US2025250688A1
An electrolysis system includes: an electrolysis cell configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.
Resumen de: US2025250696A1
Hydrogen is produced using high temperature heat from a progressive heat collection system that utilizes sun and air for collection and transfer of heat. Thermal energy from the sun superheats the water into steam and also powers a Stirling engine based electrical generator for operating a high temperature steam electrolyzer.
Resumen de: US2025250695A1
A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.
Resumen de: AU2024239221A1
This hydrogen production system is provided with: a solid oxide electrolytic cell (SOEC) that electrolyzes water vapor; a power supply device that applies a voltage equal to or greater than a thermal neutral voltage to the SOEC; and a water vapor generation device that generates at least a portion of water vapor to be supplied to the SOEC by heating water using surplus heat generation of the SOEC.
Resumen de: US2025250594A1
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.
Resumen de: CN119604469A
The present invention relates to a method for manufacturing an electrocatalyst for alkaline water electrolysis, said method comprising the steps of: (i) generating an aqueous electrolyte comprising suspended graphene and graphite nanoplatelets having lt in an electrochemical cell; the present invention relates to an electrolytic cell having a thickness of 100 nm, where the electrolytic cell comprises: a graphite negative electrode, (b) a graphite positive electrode, (c) an aqueous electrolyte comprising ions in a solvent, the ions comprising cations and anions, where the anions comprise sulfate anions; and wherein the method comprises the step of passing an electric current through the electrolysis cell to obtain exfoliated graphene and graphite nanosheet structures in the aqueous electrolyte in an amount greater than 5 g/l; (ii) forming an electroplating bath (2) comprising suspended graphene and graphite nanoplatelets in an amount greater than 2 g/l, said acidic electroplating bath comprising an aqueous solution of nickel sulfate and an electroplating solution comprising suspended graphene and graphite nanoplatelets in an amount greater than 5 g/l (thickness lt; 100 nm) of an aqueous electrolyte of step (i); and (iii) electrodepositing a combined layer of Ni or Ni alloy with graphene and graphite particles from the electroplating bath on a support to form an electrocatalyst.
Resumen de: WO2025165433A2
An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).
Resumen de: WO2025165427A1
Herein discussed is a method of carbon capture comprising providing a reactor having an anode, a cathode, and an electrolyte between and in contact with the anode and the cathode, wherein the electrolyte conducts oxide ions and electrons; introducing a carbonaceous gas to the anode; introducing steam and hydrogen (H2) or carbon dioxide (CO2) and carbon monoxide (CO) to the cathode, wherein steam or CO2 is the dominant component; producing carbon dioxide (CO2) at the anode, wherein the CO2 partial pressure is greater than 18 kPa in the anode exhaust; and producing H2 or CO or both at the cathode. In an embodiment, the anode exhaust has a pressure of from 1 atm to 5 atm. In an embodiment, the CO2 content in the anode exhaust is from 20vol% to 100vol%.
Resumen de: WO2025163393A1
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.
Resumen de: WO2025162564A1
A control system for a hydrogen production system is proposed. The hydrogen production system includes a plurality of electrolyzers and a plurality of converter modules each of which is coupled to one or more of the plurality of electrolyzers. The control system includes: a plurality of local controllers each of which is coupled with one or more of the plurality of converter modules and one more of the plurality of the electrolyzers; and a system controller in communication with the plurality of local controllers. The system controller is configured to receive an external dispatch value and electrolyzer state information regarding states of the plurality of electrolyzers, and to determine internal dispatch values for one or more electrolyzer from the plurality of electrolyzers based on the external dispatch value and the electrolyzer state information. A least one local controller from the plurality of local controllers associated with the one or more electrolyzers is configured to receive the internal dispatch values from the system controller, and to control operations of the one or more electrolyzers according to the internal dispatch values.
Resumen de: WO2025162555A1
The present disclosure relates to a method for producing a purified oxygen-containing stream, the method comprising: heating a Solid Oxide Electrolyzer Cells (SOEC) unit to a SOEC operating temperature; providing a water source or a steam source at a water source or steam source temperature; heating the water source or the steam source to produce a steam stream at a steam stream temperature; providing a sweep gas at a sweep gas temperature; feeding the steam stream and the sweep gas to the SOEC unit to produce an oxygen-containing stream and a hydrogen-containing stream; cooling the oxygen-containing stream to a temperature in the range of about 20°C to about 100°C, preferably about 40°C to about 60°C, more preferably about 44°C to about 55°C, and even more preferably about 50°C; and, after the cooling step, purifying the oxygen-containing stream to produce the purified oxygen-containing stream The present disclosure also relates a system for producing a purified oxygen-containing stream.
Resumen de: WO2025163482A1
Process for the production of syngas from carbonaceous waste material and CO2 comprising the following stages: a stage a) comprising the reaction R1 in which the carbonaceous material is reacted with carbon dioxide to obtain carbon monoxide according to the following reaction scheme: R1 CO2 + C = 2 CO; a stage b) of producing H2 and adding it to the carbon monoxide obtained in stage a) to obtain syngas, wherein stage b) comprises at least one of the following stages: bl) the carbon monoxide from the previous stage is reacted with water vapour to obtain carbon dioxide and hydrogen according to the following reaction scheme: R2 CO + H2O = CO2 + H2 b2) producing hydrogen by means of electrolysis of water, which is added to the carbon monoxide from stage a). The invention also relates to the unit in which stages a) and bl) are conducted as well as the related apparatus comprising the aforementioned unit.
Resumen de: WO2025163136A1
A method for controlling a green hydrogen production system (100; 100'), comprising geographically distributed power generating nodes (10, 300; 300') each having at least one node center (320; 320.1, 320.2, 320.3, 320.4) and at least one electrolyzer (13) for generating green hydrogen within the system from the produced electrical energy, wherein each the power generating node (10, 300; 300') comprises multiple PV units (12; 312) and multiple wind turbine generators (WTG) (11; 301...316) as power generating units and wherein the multiple wind turbine generators units (WTG) (11; 301...316) are located in geographically dispersed sites surrounding the node center(s) (320; 320.1, 320.2, 320.3, 320.4), wherein the installed capacity (IC) of the electrolyzer (13) and all other energy consuming devices in the system is smaller than the sum of maximum capacities (MG) of all PV units (12; 312) and wind turbine generators (11; 301...316) available for operation together, wherein the method comprises at least the following steps: a) an energy demand value (EDV) of electrical power required for constantly operating the electrolyzer and other consumers is defined wherein EDV < IC; b) weather conditions in proximity of the power generating units and in windward direction of the PV units (312) are constantly monitored; c) based on weather conditions acquired from monitoring, an expected energy yield value (EEY) is calculated separately for each type of power generating unit and/or for each
Resumen de: EP4596758A1
A water electrolysis device (1) includes a water electrolysis module (2) that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower (7, 8) configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser (6) configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion (18) configured to increase a temperature of the generated hydrogen between the condenser and the blower.
Resumen de: EP4596659A1
The present invention aims to provide a liquid fuel production system and a method for producing liquid fuel capable of reducing the amount of hydrogen gas used.The liquid fuel production system 1 includes: an electrolytic reduction device 2 for obtaining a mixed gas and an oxygen gas by an electrolytic reduction of carbon dioxide and water; a carbon dioxide separation device 3 for separating the carbon dioxide from the mixed gas; a water separation device 4 for separating water from the mixed gas; a cryogenic separation device 5 for separating the mixed gas into ethylene, hydrogen, and a residual off-gas; a first reaction device 6 for obtaining a first mixture by oligomerization of ethylene obtained in the cryogenic separation device; a first separation device 7 for separating light hydrocarbons from the first mixture; a second reaction device 8 for obtaining a second mixture containing liquid fuel by hydrocracking and hydroisomerizing the first mixture; and a second separation device 9 for separating the second mixture into at least liquid fuel, cracked gas, and heavy hydrocarbons.
Resumen de: EP4596757A1
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.
Resumen de: EP4596756A1
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.
Resumen de: CN119866558A
The invention relates to a power plant (1) comprising two units (A) and (B), a first unit (A) and a second unit (B), located in two separate industrial sites, having:-the first unit (A) comprising a synthesis device (8) capable of producing methane or methanol (15) from hydrogen (2) and carbon dioxide (4) originating from the second unit (B), and-a second unit (B) comprising fuel cell means (5) that can be supplied with electric current (1) by methane or methanol (15) originating from the first unit (A) and an anode gas stream (6) comprising carbon dioxide, said fuel cell means being combined with collecting means (7) for collecting carbon dioxide (17) in the anode stream (6) intended for the first unit (A).
Resumen de: CN119948208A
Disclosed are a membrane suitable for alkaline water electrolysis and an alkaline water electrolysis device comprising the same. A method for producing hydrogen and a method for producing a membrane for alkaline water electrolysis are also disclosed.
Resumen de: EP4596755A1
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.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: EP4596493A1
Provided is a method for producing a tantalum nitride material including a nitriding step of heating a precursor containing a lithium tantalum composite oxide in the presence of a nitrogen compound.
Resumen de: WO2024073537A2
A hydrogen-rich hydrocarbon fuel gas can be separated into a methane fuel stream and a hydrogen product stream. The methane fuel stream can be fed to a methane fuel fired furnace, combustion of the methane fuel stream can produce a carbon-dioxide-rich flue gas, and a carbon capture process can be performed on the carbon-dioxide-rich flue gas. The hydrogen product stream can be fed to a hydrogen fired furnace or elsewhere. Combustion of the hydrogen product stream in a hydrogen fired furnace can generate a flue gas the is low in carbon dioxide. Electrolysis of water obtained from the hydrogen fired furnace flue gas can produce hydrogen for a desired use, such as fuel for the hydrogen fired furnace, and can produce oxygen for enriching the fuel gas fed to the methane fuel fired furnace.
Nº publicación: JP2025114650A 05/08/2025
Solicitante:
日新化成株式会社
Resumen de: US2024059557A1
An exemplary hydrogen production apparatus 100 according to the present invention includes a grinding unit 10 configured to grind a silicon chip or a silicon grinding scrap 1 to form silicon fine particles 2, and a hydrogen generator 70 configured to generate hydrogen by causing the silicon fine particles 2 to contact with as well as disperse in, or to contact with or dispersed in water or an aqueous solution. The hydrogen production apparatus 100 can achieve reliable production of a practically adequate amount of hydrogen from a start material of silicon chips or silicon grinding scraps that are ordinarily regarded as waste. The hydrogen production apparatus thus effectively utilizes the silicon chips or the silicon grinding scraps so as to contribute to environmental protection as well as to significant reduction in cost for production of hydrogen that is utilized as an energy source in the next generation.
BOPI
Sede Electrónica
