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529
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Última actualización
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Resultados 300 a 325 de 529
Resumen de: AR133930A2
En esta divulgación, se introduce un proceso de reciclado de ácido, base y los reactivos de sal requeridos en el proceso de recuperación de Li. Se implementa una celda electrolítica de membrana que incorpora un cátodo de oxígeno despolarizado para generar los productos químicos requeridos en el sitio. El sistema puede utilizar una porción de la salmuera de salares u otra salmuera o residuo sólido que contiene litio para generar ácido clorhídrico o sulfúrico, hidróxido de sodio y sales de carbonato. La generación simultánea de ácido y base permite tomar ventaja de ambos productos químicos durante la recuperación convencional de Li de salmueras y rocas minerales. El agua desalinizada también se puede usar en los pasos de lavado en el proceso de recuperación o regresar a los estanques de evaporación. El método también se puede usar para la conversión directa de sales de litio en el producto LiOH con alto valor. El método no produce ningún efluente sólido lo cual lo torna de fácil adopción para su uso en las plantas industriales de recuperación de Li existentes.
Resumen de: KR20250160290A
본 발명의 일 실시예에 따른 수소 충전 시스템은, 복수의 수소 튜브 트레일러에 수소를 순차적으로 충전하기 위한 수소 충전 시스템에 있어서, 외부로부터 투입되는 물을 분해하여 수소를 생성하는 수전해기; 상기 수전해기에서 생성된 수소를 일시적으로 저장하는 버퍼탱크; 상기 버퍼탱크로부터 배출되는 수소의 압력인 제1 압력값을 측정하는 제1 압력센서; 상기 버퍼탱크로부터 분기된 후 이송되는 수소를 압축시키는 압축기; 상기 압축기로부터 압축되되, 상기 수소 튜브 트레일러에 충전될 수소를 저장하는 저장탱크; 상기 버퍼탱크로부터 분기된 후 상기 압축기를 향하지 않는 수소 또는 상기 압축기에서 압축된 후 상기 저장탱크로 저장되기 전에 우회되는 수소를 내측에 수용하는 수소배관; 상기 수소배관의 내측에 수용된 수소의 압력인 제2 압력값을 측정하는 제2 압력센서; 상기 제1 압력값과 제2 압력값을 이용하여 수소의 이송방향을 제어하는 제어부; 및 상기 복수의 수소 튜브 트레일러에 수소가 충전되도록 상기 저장탱크가 일측에 배치되는 충전 스테이션;을 포함할 수 있다.
Resumen de: KR20250160293A
본 발명의 일 실시예에 따른 암모니아를 이용한 메탄올 생산 방법은, a) 선박에 저장된 암모니아가 접안 부두에 정차된 탱크로리로 운송 및 저장되는 단계; b) 상기 탱크로리에 저장된 암모니아의 일부가 친환경 연료로서 발전소로 공급된 후에 상기 발전소의 발전에 사용되는 단계; c) 상기 발전소가 암모니아를 기반으로 발전하는동안 생성되는 이산화탄소를 포집, 분리 및 액화시킨 후 저장하는 단계; d) 상기 발전소로 공급되지 않고 상기 탱크로리에 남은 나머지 암모니아가 수소 생산소로 운송되며, 상기 수소 생산소에서 수소와 질소로 분해됨으로써 수소를 생산하는 단계; 및 e) 메탄올 생산소가 상기 c) 단계에서 저장된 이산화탄소와, 상기 d) 단계에서 생산된 수소를 이용하여 메탄올을 생산하는 단계;를 포함할 수 있다.
Resumen de: CN120226171A
The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.
Resumen de: AU2025202385A1
The present invention is an adhesive-fixed electrolysis module comprising a single stack, the single stack having a separator, a pair of bipolar plates, a pair of gaskets, a pair of diffusion layers, a pair of electrodes, and a cell frame, wherein the bipolar plates, the gaskets, 5 the diffusion layers, and the electrodes are sequentially arranged on the cathode and anode sides, respectively, with respect to the separator, forming a symmetrical structure, wherein the separator, the bipolar plates, the gaskets, the diffusion layers, and the electrodes are stacked in a zero-gap manner within the cell frame, and wherein the bipolar plates are adhered and fixed to the cell frame using an adhesive, thereby simplifying product assembly 10 and reducing assembly costs compared to a single stack fixing method using welding, riveting, bolting, etc. between conventional parts. The present invention is an adhesive-fixed electrolysis module comprising a single stack, the single stack having a separator, a pair of bipolar plates, a pair of gaskets, a pair of 5 diffusion layers, a pair of electrodes, and a cell frame, wherein the bipolar plates, the gaskets, the diffusion layers, and the electrodes are sequentially arranged on the cathode and anode sides, respectively, with respect to the separator, forming a symmetrical structure, wherein the separator, the bipolar plates, the gaskets, the diffusion layers, and the electrodes are stacked in a zero-gap manner within the cell frame, and wher
Resumen de: AR133932A2
En esta divulgación, se introduce un proceso de reciclado de ácido, base y los reactivos de sal requeridos en el proceso de recuperación de Li. Se implementa una celda electrolítica de membrana que incorpora un cátodo de oxígeno despolarizado para generar los productos químicos requeridos en el sitio. El sistema puede utilizar una porción de la salmuera de salares u otra salmuera o residuo sólido que contiene litio para generar ácido clorhídrico o sulfúrico, hidróxido de sodio y sales de carbonato. La generación simultánea de ácido y base permite tomar ventaja de ambos productos químicos durante la recuperación convencional de Li de salmueras y rocas minerales. El agua desalinizada también se puede usar en los pasos de lavado en el proceso de recuperación o regresar a los estanques de evaporación. El método también se puede usar para la conversión directa de sales de litio en el producto LiOH con alto valor. El método no produce ningún efluente sólido lo cual lo torna de fácil adopción para su uso en las plantas industriales de recuperación de Li existentes.
Resumen de: AU2024214359A1
Feedwater preparation system in a water electrolyser adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks (2) using alkaline water and comprising a product gas conditioning system that has a safety valve out-blow material stream pipe (11) which is connected to a feedwater vessel (9), and/or has a depressurisation stream pipe (31) from a gas cleaning vessel which is connected to the feedwater vessel (9).
Resumen de: JP2025121917A
To provide a method of operating a solid oxide electrolysis cell (SOEC) system at partial load.SOLUTION: A method is provided wherein the SOEC system includes a plurality of branches electrically connected in parallel, and each branch includes at least one SOEC stack. The method includes determining a thermally neutral target voltage below which operation is endothermic and above which operation is exothermic; and executing pulse width modulation current control by cycling an ON phase and an OFF phase for each branch such that the SOEC system operates at an average operating power equal to a chosen percentage of the operating power at the thermally neutral target voltage. In the ON phase, all of the SOEC stacks in a branch operate at the thermally neutral target voltage, and in the OFF phase, all of the SOEC stacks in the branch operate at 0% power. Each branch is configured to be operated independently of the other branches.SELECTED DRAWING: Figure 1
Resumen de: CA3271574A1
The invention relates to the coating of anion exchange membranes (AEM) with catalytically active substances. The CCM thus obtained are used in electrochemical cells, especially for alkaline water electrolysis. It was an object of the invention to specify a process for producing a CCM by direct 5 coating which maintains the necessary planarity of the AEM and ideally avoids the use of lost films and eschews CMR substances. Swelling shall also be minimized. The process shall also be performable with fluorine-free ionomers. The invention is based on the finding that the addition of certain organic substances has the result that the AEM swells only to a small extent, if at all (antiswelling agent). It has surprisingly been found that substances suitable as antiswelling agents 10 are identifiable by their solubility behaviour, more particularly by their Hansen parameters. Fig. 4 accompanies the abstract
Resumen de: AU2024237545A1
A method for generating and treating a two-phase outflow from one or more pressurised electrolyser stacks which are adapted to electrolyse water into hydrogen and oxygen, whereby a pump supplies a catholytic fluid flow from one first gas liquid gravitational separator vessel to the electrolyser stacks and whereby a further pump supplies an anolytic fluid flow from one second gas liquid gravitational separator vessel to the electrolyser stacks, and whereby at least one cyclone type gas liquid separator receives combined outflows from the catholytic chambers and/or receives combined outflows from anolytic chambers respectively inside corresponding gravitational gas liquid separator vessel whereby further, the at least one cyclone type gas liquid separator separates the gas from the liquid along a generally horizontal cyclonic rotation axis inside the gas liquid gravitational separator vessel. An electrolyser system is also provided.
Resumen de: LT2024518A
The method described in the invention is aimed at drying moist hydrogen obtained through alkaline electrolysis, containing up to 2000 ppm of water. This is achieved through the utilization of complex processes involving water hydrolysis, hydrogen storage, and compression, employing metal hydrides. During water hydrolysis, water vapor that are present in the hydrogen gas actively reacts with a mixture of activated aluminum and NaOH, splitting into hydrogen and oxygen. Oxygen and a portion of hydrogen combine with activated aluminum to form aluminum hydroxide, while the remaining hydrogen, along with the overall hydrogen stream, enters the metal hydride container. There, upon interaction with magnesium-based powders, metal hydrides are formed, capable of preserving hydrogen from several minutes to several years without significant hydrogen loss. Using the described method, hydrogen is dehydrated from 2000 ppm of water to no more than 5 ppm of water. Dry hydrogen can successfully react with magnesium-based metals for up to 500 cycles, with absorbed/desorbed hydrogen losses not exceeding 5 %. During the decomposition of metal hydrides, the resulting hydrogen is more than 99.999 % pure and, upon release, generates pressure of up to 30 bars. The waste heat generated in industrial processes is utilized to optimize the hydrolysis and formation/decomposition processes of metal hydrides, thereby creating additional added economic and ecological value.
Resumen de: FR3161913A1
Procédé de fabrication d’une céramique nanoarchitecturée poreuse (200) pour électrode de cellule d’électrolyseur (100), notamment pour électrode de cellule d’électrolyseur à haute température (également connue selon l’acronyme EHT), le procédé comprenant les étapes suivantes de : fourniture d’une résine comprenant un photoréactif polymérique, un solvant, par exemple un solvant organique, et une charge comportant au moins un précurseur minéral de la céramique, impression 3D de la résine selon un motif prédéterminé de sorte à former un squelette nanoarchitecturé poreux (300), par exemple sous forme de nid d’abeilles ou sous forme tétrakaidécahédrale, etfrittage du squelette nanoarchitecturé poreux (300) de sorte à obtenir une céramique nanoarchitecturée poreuse (200). Figure 4
Resumen de: CN120239739A
The invention relates to a device/method for capturing/converting CO2. The invention relates to a process for the production of CO and water, comprising/using a CO2 capture unit (2) that produces CO2 (3), a water electrolysis unit (5) that converts water (4) into oxygen (6) and hydrogen (7), an RWGS unit (8) that treats CO2 with hydrogen (7) and produces an RWGS gas (9) enriched in CO and water, an FT unit (13) that converts the RWGS gas and produces an FT effluent (14), a first separation unit (15) that treats the FT effluent and produces a hydrocarbon effluent (17) and a gas effluent (33), a second separation unit (34) separating the effluent gas into a CO2-lean gas (18) and a CO2-rich gas (35) fed to the RWGS unit, a partial oxycombustion unit (28) oxidizing the CO2-lean gas and producing CO fed to the FT unit, a hydrogen unit (20) treating the hydrocarbon effluent to produce a hydrocarbon fraction (21).
Resumen de: US2025333854A1
A water electrolysis system that generates hydrogen and oxygen by electrolysis of water includes a water electrolysis cell including an anode, a cathode, and an electrolyte membrane sandwiched between the anode and the cathode, and a control device that controls electric power supplied to the water electrolysis cell, wherein the control device performs a potential changing process of changing a potential of the anode either or both of upon starting of the water electrolysis system and during continuous operation of the water electrolysis system, and the potential changing process includes a potential lowering process of lowering the potential of the anode to a predetermined potential.
Resumen de: WO2025230139A1
A battery system comprising a cell structure for a solid oxide cell, a sealing structure applied thereto, and manufacturing methods therefor are disclosed. The disclosed battery system comprising a cell structure for a solid oxide cell may comprise a stack structure, wherein the stack structure can include: a first separation plate; a second separation plate spaced apart from the first separation plate; a cell structure for a solid oxide cell, which is disposed between the first and second separation plates and comprises a fuel electrode corresponding to an anode, an air electrode corresponding to a cathode, and an electrolyte layer disposed between the fuel electrode and the air electrode; an air electrode current collector disposed between the cell structure and the second separation plate; a first sealing gasket disposed between the first and second separation plates so as to encompass the outer surface of the cell structure; and a second sealing gasket disposed between the first and second separation plates so as to encompass the outer surface of the air electrode current collector.
Resumen de: JP2025167807A
【課題】水電解装置の劣化を抑制しつつ、高い水素生成効率を実現する。【解決手段】水電解システムは、水の電気分解を行う水電解部と、水電解部に電力を供給する電力供給部と、電力供給部から水電解部に供給される電流の大きさを検出する電流検出部と、電気分解される水の温度である水温度を取得する温度取得部と、取得された水温度が予め設定された上限温度以下となるように、電力供給部から水電解部に供給される電力を制御する制御部と、を備え、制御部は、電流検出部により検出された検出電流の増加に応じて、上限温度を低下させる【選択図】図１
Resumen de: WO2024160929A1
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.
Resumen de: AU2024245553A1
The invention relates to the coating of anion exchange membranes with catalytically active substances. The catalytically actively coated anion exchange membranes are used in electrochemical cells, especially for water electrolysis. The problem addressed by the invention is that of specifying a process for coating an anion exchange membrane which can be conducted at relatively low temperatures. This problem is solved by a swelling step. Aside from the swelling step and the processing temperature, the sequence of the process according to the invention resembles a decal process. However, the use of the partly liquid swelling agent means that the process according to the invention can be considered to be a wet process. The process enables the processing of anion-conducting polymers at moderate temperatures. The anion-conducting polymers may be present in the anion exchange membrane and/or in the composition that is applied to the anion exchange membrane. The advantage of the process according to the invention is that it can be conducted at comparatively low temperatures, namely below 100°C.
Resumen de: JP2025167806A
【課題】水素の生成効率を向上させた上で、水電解装置の劣化を抑制する。【解決手段】水電解システムは、水の電気分解を行う水電解部と、水電解部に供給される水を貯蔵するタンクと、タンクに水を供給する供給部と、タンクに貯蔵された水量を取得する水量取得部と、タンクに貯蔵された水の温度を取得する温度取得部と、タンクに貯蔵された水量と水の温度に応じて、供給部からタンクに供給される水量を制御する制御部と、を備え、制御部は、タンク内の水量が第１水量未満の場合に、タンク内の水量が第１水量よりも多い第２水量になるまで供給部から水を供給し、タンク内の水量が第１水量以上、かつ、タンク内の水の温度が基準温度よりも高い場合に、タンク内の水量が第２水量よりも多い第３水量になるまで供給部から水を供給する。【選択図】図１
Resumen de: WO2025231009A2
A method of catalytic ammonia decomposition is provided. The method includes: flowing ammonia into a reactor charged with a medium entropy metal alloy (MEA) catalyst including a first principal metal, a second principal metal, and a third principal metal, where each of the principal metals is independently selected without repetition from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Cu, Zn, Ti, Zr, Mo, V, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Au, Ce, Y, Yb, Sn, Ga, In, and Be; and catalytically decomposing the ammonia into hydrogen and nitrogen over the MEA catalyst in the reactor at a reaction temperature between 200 °C and 900 °C.
Resumen de: WO2025230302A1
The present invention relates to an electrode catalyst for water electrolysis, a manufacturing method thereof, and an electrode including the electrode catalyst. The present invention comprises: a core including perovskite nanocrystals; and a shell surrounding the core, and thus has improved optical, electrical, and catalytic properties compared to conventional commercial catalysts such as transition metal oxides, and achieves stable operating stability and thus exhibits excellent photoelectrochemical activity.
Resumen de: WO2025230800A1
The electrolysis device includes a plurality of plates that have a plurality of sets of aligned fluid openings. At least one of the sets of aligned fluid openings is configured for conveying high pressure hydrogen gas. At least one gasket, which has an annular shape and is made of an elastomeric material, surrounds at least one of the sets of aligned fluid openings to establish a fluid-tight seal between at least two of the plurality of plates. The at least one gasket has a generally constant cross-sectional shape around a central axis, the cross-sectional shape having a sealing surface that includes a pair of peaks that are spaced radially apart from one another and that includes a pair of elevated plateaus on opposite radial sides of the pair of peaks.
Resumen de: WO2025230786A1
A method of catalytic ammonia decomposition, where the method includes: flowing ammonia into a reactor charged with a supported medium entropy metal alloy (MEA) catalyst including MEA particles supported on a support, the MEA particles including a first principal metal, a second principal metal, and a third principal metal, where each of the principal metals is independently selected without repetition from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Cu, Zn, Ti, Zr, Mo, V, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Au, Ce, Y, Yb, Sn, Ga, In, and Be; and catalytically decomposing the ammonia into hydrogen and nitrogen over the supported MEA catalyst in the reactor at a reaction temperature between 200 °C and 900 °C.
Resumen de: WO2025228738A1
The invention relates to a method for operating at least one electrochemical system (1), for example an electrolysis system for producing hydrogen, wherein software is used during operation of the electrochemical system (1), which software is at least once updated or replaced by subsequent software, and wherein the updated software or the subsequent software is tested and/or validated at least in parts. According to the invention, (a) a virtual operating environment is generated by means of a simulation, which virtual operating environment reproduces an actual operating state using real operating data, (b) the updated software or subsequent software is executed within the virtual operating environment, and (c) the updated software or subsequent software is tested and/or validated on the basis of the actual operating state in parallel with ongoing operation. The invention also relates to a computing unit (4) which is designed to carry out steps of a method according to the invention.
Nº publicación: WO2025228586A1 06/11/2025
Solicitante:
SMOLTEK AB [SE]
SMOLTEK AB
Resumen de: WO2025228586A1
A porous transport layer, PTL, (200) for a water electrolyzer (100). The porous transport layer comprises a porous layer (210), where the porous layer (210) is a porous structure comprising irregular pores (212) and solid sections (213). At least a first surface (211) of the porous layer (210) is formed by a first plurality of solid sections (213). At least some of the solid sections (213) in the first plurality have at least one surface that is substantially flat and arranged facing outwards from the porous layer such that it forms part of the first surface (211).
BOPI
Sede Electrónica
