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839
resultados
Última actualización
05/10/2025 [06:59:00]
Resultados 825 a 839 de 839
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: EP4596760A1
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.
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: 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: 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: 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.
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: 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: EP4596759A1
In order to improve robustness of a water electrolysis system, there is provided an insulating piping configured by a double tube including an inner tube (130) that connects a water electrolysis stack and an auxiliary machine and through which a fluid flows, and an outer tube (12) provided on an outer side of the inner tube (130) via the inner tube (130) and an outer tube inner space (14); in which the outer tube (12) has an insulating property, the water electrolysis stack and the auxiliary machine are insulated from each other in the inner tube (130), and a dry gas (13) having a humidity of less than or equal to a predetermined value is enclosed in an outer tube inner space (14) that is the space at a pressure of the fluid flowing inside the inner tube (130) and a pressure higher than an atmospheric pressure.
Resumen de: KR20250118564A
본 발명의 다양한 실시예에 따른 음이온 교환막 수전해용 촉매는, 전이금속을 포함하는 코어; 및 상기 코어 상에 배치되고, 전이금속 수산화물을 포함하는 쉘을 포함할 수 있다. 본 발명의 다양한 실시예에 따른 음이온 교환막 수전해용 촉매의 제조 방법은, 제1 전이금속염, 염기성 물질 및 용매를 혼합하여 자기장 교반(magnetic stirring)하는 단계; 상기 자기장 교반한 용액에 환원제를 첨가하여 전이금속 나노섬유 스펀지를 제조하는 단계; 상기 전이금속 나노섬유 스펀지를 막으로 압축하여 제2 전이금속염이 포함된 수용액에 담지하는 단계; 상기 담지하는 단계 이후 황 전구체와 반응하는 단계;를 포함할 수 있다. 본 발명의 다양한 실시예에 따른 막전극접합체는 음이온 교환막 수전해용 촉매 또는 상기 촉매를 포함하는 촉매층을 포함할 수 있다.
Resumen de: KR20250118423A
본 발명은 고분자 전해질막 수전해용 촉매의 제조방법에 관한 것으로서, RuO2를 분쇄하고 에탄올을 첨가하여 분산시킨 RuO2분산액을 준비하는 단계와, RuO2분산액에 IrCl3 파우더를 첨가하고 에탄올을 추가한 후 분산시켜 이리듐-루테늄 혼합액을 준비하는 단계와, NH4OH를 첨가하여 불순물을 제거하고 혼합액의 pH를 조절하는 단계와, 상기 혼합액을 진공오븐에서 건조시킨 후 일정시간 열처리하여 RuO2를 IrO2로 코팅하는 단계를 포함하며, 본 발명에 의한 산소극 촉매는 루테늄의 주변을 이리듐으로 둘러싸도록 코팅함으로써 고가인 이리듐의 사용량을 줄여서 비용을 절감할 수 있고, 내구성을 확보할 수 있다.
Nº publicación: EP4595136A1 06/08/2025
Solicitante:
TECHNIP ENERGIES FRANCE [FR]
Technip Energies France
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).
BOPI
Sede Electrónica
