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434
results.
Updated on
16/08/2025 [06:57:00]
Results 325 to 350 of 434
Absstract of: US2025201888A1
Disclosed are an insulating manifold for electrochemical reaction configured to receive gas from an external source, and an electrochemical reaction system in which there is no electrical contact between a stack and a manifold. The insulating manifold for the electrochemical reaction includes a plate-shaped base manifold having at least a first fluid conduit and a second fluid conduit extending therethrough vertically; a housing disposed on top of the base manifold and having a vertical wall and an open bottom surface, wherein a lower edge of the housing is coupled to a top of the base manifold; and upper and lower insulating plates respectively defining an upper surface and a lower surface of an inner space defined by the base manifold and the housing.
Absstract of: WO2025127896A1
According to exemplary embodiments of the present invention, a hydrogen production system is provided. The hydrogen production system comprises: a dry quenching facility configured to cool coke using a cooling gas; a boiler configured to receive the cooling gas from the dry quenching facility and recover heat energy of the cooling gas to produce first steam and electric power; and a water electrolysis facility configured to receive the electric power from the boiler and electrolyze second steam to produce hydrogen. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.
Absstract of: KR20250090440A
본 발명은 수증기와 수소의 혼합물을 포함하는 연료와 공기를 입력 받아 전기분해를 통해 수소 및 수증기 혼합물을 생성하는 고체 산화물 전기분해 셀을 포함하고, 상기 고체 산화물 전기분해 셀에서 생성된 수소 및 수증기 혼합물의 일부는 제1분기에서 재순환하여 상기 연료에 혼합되고, 나머지는 분리기에서 수소와 수증기로 분리되고, 상기 분리기에서 분리된 수증기 중 일부는 제2분기에서 재순환되어 상기 연료에 혼합되는 고체 산화물 연료전지 셀 시스템에 관한 것이다.
Absstract of: KR20250090710A
일 실시예에 따른 수전해 설비의 전원 공급 장치는, 전원, 상기 전원으로부터 입력 전력을 제공받고 상기 수전해 설비로 출력 전력을 제공하는 전력변환기, 상기 전력변환기로부터 충전 전력을 제공 받고 상기 전력변환기로 방전 전력을 제공하는 배터리 및 상기 전력변환기 또는 배터리를 제어하는 제어기를 포함하고, 상기 제어기는 상기 출력 전력에 기반하여 상기 충전 전력 및 상기 방전 전력을 제어할 수 있다.
Absstract of: KR20250090996A
본 발명은 애노드 다공막 제조방법과 관련된다. 본 발명은 실시예로, 금속소재를 막대 형태로 제조하는 제1단계, 상기 제1단계에서 제조된 막대 형태의 금속소재와 상기 금속소재와 동일한 금속의 분말소재를 혼합하고 용매를 투입하여 슬러리를 제조하는 제2단계, 상기 제2단계에서 제조된 슬러리를 테이프캐스팅하여 그린시트를 제조하는 제3단계, 상기 제3단계에서 제조된 그린시트를 탈지하고 소결하여 소결된 다공막을 얻는 제4단계 및 상기 제4단계에서 얻어진 소결된 다공막을 압연처리하여 표면 조도를 감소시키도록 조절하는 제5단계를 포함하는 애노드 다공막 제조방법을 제시한다.
Absstract of: EP4574255A1
In a method of preparing an ammonia decomposition catalyst according to embodiments of the present disclosure, a mixture of a metal oxide including lanthanum and a heterogeneous metal and aluminum oxide is prepared, the mixture was subj ected to steam treatment to form a carrier, and an active metal is supported on the carrier to prepare an ammonia decomposition catalyst. The ammonia decomposition catalyst according to embodiments of the present disclosure is prepared by the above-described preparation method.
Absstract of: KR20250091080A
활성 영역(active area) 및 활성 영역을 둘러싸는 비활성 영역(inactive area)를 가지는 고분자 전해질 막; 고분자 전해질 막의 활성 영역의 제1 면 위에 위치하는 수소 발생 전극; 고분자 전해질 막의 활성 영역의 제2 면 위에 위치하는 산소 발생 전극; 고분자 전해질 막의 비활성 영역의 제1 면 위에 배치되며 제1 전극을 둘러싸는 제1 서브가스켓; 그리고 고분자 전해질 막의 비활성 영역의 제2 면 위에 배치되어 제2 전극을 둘러싸는 제2 서브가스켓;을 포함하며, 제1 서브가스켓은 수소 발생 전극을 수용하는 제1 윈도우, 및 제1 윈도우를 둘러싸며 고분자 전해질 막의 비활성 영역을 노출시키는 제1 물 공급 경로를 가지는, 수전해셀용 막-전극 어셈블리를 제공한다.
Absstract of: WO2024120594A1
A hydrogen generation system comprising a wind turbine installation including a wind energy generator (18) connected to a hydrogen electrolyser (30) by a power converter system (22) The power converter system (22) comprises a generator-side converter (24) and a electrolyser-side converter (26) which are coupled together electrically by a DC-link (28), and a converter controller (50) comprising a generator-side control module (50) coupled to the generator-side converter and a electrolyser-side control module (52) coupled to the electrolyser-side converter. The converter controller is configured to control the load torque on the wind energy generator and the electrical power fed to the electrolyser to implement a mechanical damping function associated with the wind turbine installation whilst maintaining a stable DC-link voltage. Beneficially, therefore, the wind turbine installation can implement active control of electromechanical damping systems whilst operating the electrolyser at an efficient operating point.
Absstract of: KR20250090704A
일 실시예에 따른 수전해 설비의 전원 공급 장치는, 전원, 상기 전원으로부터 입력 전력을 제공받고 상기 수전해 설비로 출력 전력을 제공하는 전력변환기 및 상기 전력변환기를 제어하는 제어기를 포함하고, 상기 전력변환기는 상기 입력 전력을 상기 수전해 설비의 작동 조건에 맞는 출력 전력으로 변환할 수 있다.
Absstract of: US2025186304A1
A hydrogen generation device includes a tubular tank and a top lid combined with the tank. An immersion tube in which a hydrogen generating agent package is stuffed is placed in the tank. The hydrogen generating agent package is submerged in water after water is poured in the tank to generate hydrogen, which is released through a tank opening of the tank. The hydrogen generating agent package accommodates hydrogen generating agent powders including calcium oxide and aluminum powders, both of which are mixed and wrapped with a nonwoven fabric, as well as a little catalytic sodium carbonate added inside. For inhibition of free radicals and promotion of metabolism, the hydrogen generation device is further provided with a connector and a hose for a skin-care instrument, a nasal mask, an eye shield or an ear cleaner through which hydrogen is supplied as required.
Absstract of: US2025197205A1
Disclosed is an apparatus for producing hydrogen gas from ammonia gas using a laser. A decomposition device for decomposing ammonia gas in order to produce hydrogen gas includes an ammonia inlet provided at an uppermost end of the decomposition device to allow ammonia gas to easily flow into the decomposition device, a hydrogen outlet configured to discharge the hydrogen gas produced by decomposition of the ammonia gas, and a nitrogen outlet configured to discharge nitrogen gas produced by the decomposition of the ammonia gas. Laser light in a preset first wavelength band is incident from an outside to a contact point of the ammonia inlet, the hydrogen outlet, and the nitrogen outlet, so that the ammonia gas is decomposed.
Absstract of: WO2025127896A1
According to exemplary embodiments of the present invention, a hydrogen production system is provided. The hydrogen production system comprises: a dry quenching facility configured to cool coke using a cooling gas; a boiler configured to receive the cooling gas from the dry quenching facility and recover heat energy of the cooling gas to produce first steam and electric power; and a water electrolysis facility configured to receive the electric power from the boiler and electrolyze second steam to produce hydrogen. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.
Absstract of: WO2025127894A1
The present invention relates to a system for reducing fuel consumption and recovering CO2, comprising: a water electrolysis facility system for producing hydrogen and oxygen from water or steam; a combustion facility for combusting fuel by using the produced oxygen; and a CO2 recovery facility for recovering CO2 from an exhaust gas discharged from the combustion facility.
Absstract of: WO2025127730A1
According to exemplary embodiments of the present invention, a support is provided. The support is a support of a catalyst for ammonia decomposition, and the amount of acid sites of the support, as measured by NH3-temperature programmed desorption (NH3-TPD), is 0.006-0.010 mmol/g. Also, according to other exemplary embodiments of the present invention, provided are a method for manufacturing the support, and a catalyst for ammonia decomposition, comprising the support.
Absstract of: US2025198013A1
A method of preparing hydrogen based on micro-droplets includes: S1, mixing water and a regulator to obtain an aqueous solution, where the regulator is one or more of: a metal conductor, a nanomaterial, a conductive polymer, and an inorganic salt having a redox property; S2, inputting the aqueous solution to a micro-droplet generation device to generate the micro-droplets, where each of the micro-droplets has a size of less than or equal to 10 μm, and hydrogen radicals are spontaneously generated at a gas-liquid interface of each of the micro-droplets; S3, the hydrogen radicals being compounded with each other to generate the hydrogen; and S4, collecting the hydrogen or the hydrogen radicals.
Absstract of: US2025198012A1
The invention pertains to an electrolyser for producing hydrogen (H2) and oxygen (O2) as product gases. It includes an electrolysis module and a gas separator for phase separation of the product gas from water. The electrolysis module is connected to the gas separator via a product flow line, and a return line with a circulation pump connects the gas separator back to the electrolysis module for separated water. A bypass line with a valve allows water to be supplied from the gas separator to the electrolysis module during standstill. The invention also covers a method for operating the electrolyser, where in standstill mode, the electrolysis current is stopped, and a safety deactivation is initiated. Water is automatically driven into the electrolysis module due to a hydrostatic differential pressure (Δp) from a predefined height difference (Δh), flooding the electrolysis module.
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).
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).
Absstract of: WO2025128530A1
A method for producing hydrogen using a feed stream comprising ammonia is provided. The method can include the steps of: cracking a gaseous ammonia feed in an ammonia cracker to produce a cracked gas stream comprising hydrogen, nitrogen, and unreacted ammonia; cooling the cracked gas stream to a first temperature that is sufficient for condensing at least a portion of the unreacted ammonia to form a dual phase fluid; separating the dual phase fluid in an ammonia separator to produce a liquid ammonia stream and a top gas stream comprised predominately of hydrogen and nitrogen; removing additional ammonia from the top gas stream using a front-end purification system to form a purified top gas stream; further cooling the purified top gas stream to a second temperature that is sufficient for condensing at least a portion of the nitrogen within the top gas stream to form a dual-phase stream, wherein the second temperature is colder than the first temperature; introducing the dual-phase stream to a cryogenic hydrogen separator under conditions effective for separating hydrogen and nitrogen, thereby creating a liquid nitrogen stream and a hydrogen top gas; warming and vaporizing the liquid nitrogen stream to produce a gaseous nitrogen stream; warming the hydrogen top gas to produce a gaseous hydrogen product stream: and recycling the liquid ammonia stream produced by the ammonia separator to a point upstream the ammonia cracker.
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.
Absstract of: WO2025128535A1
A method for producing hydrogen using a feed stream comprising ammonia is provided. The method may include the steps of: cracking a gaseous ammonia feed comprising ammonia and at least 0.15% water vapor in an ammonia cracker to produce a cracked gas stream comprising hydrogen, nitrogen, unreacted ammonia, and water vapor; cooling the cracked gas stream to a separation temperature that is sufficient for condensing at least a portion of the unreacted ammonia and the water vapor to form a dual phase fluid; separating the dual phase fluid in a separator that is configured to produce an aqueous ammonia stream and a vapor stream, the vapor stream comprising predominantly of hydrogen and nitrogen; wherein the separation temperature is below 0°C.
Absstract of: WO2025127924A1
The present invention relates to an electrolyzer designed for the generation of hydrogen and oxygen through water electrolysis. The electrolyzer comprises a housing structure accommodating at least one electrolytic cell, which includes an anode, a cathode, and an ion-conducting membrane. A water inlet is provided to introduce water into the electrolytic cell, and an electrical power source is operatively connected to the anode and cathode to facilitate the electrolysis process. The electrolyzer also includes separate outlets for the efficient extraction of hydrogen and oxygen generated during electrolysis. A multi-parameter optical measurement system is integrated within the electrolyzer. This system features at least one optical fiber with multiple sensing points distributed along its length, each capable of detecting various operational parameters within the electrolyzer.
Absstract of: WO2025125277A1
The invention relates to an electrolysis system comprising an electrolysis stack (1) having multiple electrolytic cells (101) which each comprise a cathode chamber (102) and an anode chamber (103) and are designed to electrolytically split water in the anode chamber (103) into hydrogen and oxygen. The hydrogen generated in the cathode chamber (102) is fed to a first gas-liquid separator (9) through a cathode outlet (2) of the electrolysis stack (1) and via a medium line (7) connected thereto. A second gas-liquid separator (15) can be connected to the cathode outlet (2). Depending on the pressure in the electrolysis stack (1), the cathode outlet is connected to the first gas-liquid separator (9) or to the second gas-liquid separator (15).
Absstract of: WO2025127755A1
A hydrogen production apparatus of the present invention comprises: an ammonia decomposition reactor for decomposing ammonia to discharge a mixed gas including hydrogen, nitrogen, and unreacted ammonia; an ammonia remover for receiving the mixed gas, adsorbing and removing the unreacted ammonia included in the mixed gas, and discharging a first product gas including hydrogen and nitrogen and a first tail gas; and a nitrogen remover for receiving the first product gas, removing nitrogen included in the first product gas, and discharging a second product gas including hydrogen and a second tail gas, wherein the second product gas discharged from the nitrogen remover is resupplied to the nitrogen remover as a purge gas and a pressurizing gas. According to the hydrogen production apparatus of the present invention, high-purity hydrogen can be continuously produced in large quantities.
Nº publicación: WO2025127536A1 19/06/2025
Applicant:
LOTTE CHEMICAL CORP [KR]
\uB86F\uB370\uCF00\uBBF8\uCE7C \uC8FC\uC2DD\uD68C\uC0AC
Absstract of: WO2025127536A1
Disclosed are a catalyst electrode for ammonia electrolysis and a method for effectively producing same, wherein the ratio of oxides and hydroxides in the catalyst electrode for ammonia water electrolysis is improved by introducing a heat treatment step for heat treatment within a specific temperature range after an electroplating step, and as a result, poisoning by nitrogen oxides is suppressed such that durability is improved, and excellent ammonia water electrolysis performance is achieved.
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