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487
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Última actualización
02/01/2026 [06:56:00]
Resultados 400 a 425 de 487
Resumen de: EP4647534A1
Eine Plattenanordnung (1) eines Stapels elektrochemischer Zellen (2) umfasst ein zumindest teilweise als 3D-Druck-Element ausgebildetes Plattenelement (3), in welchem mehrere Schichten (6, 7, 8) parallel zueinander angeordnet sind, die jeweils durchbrochene, zur Durchleitung eines Fluids geeignete Strukturen aufweisen, wobei die Feinheit der Durchbrechungen (17) von Schicht (6, 7, 8) zu Schicht (6, 7, 8) variiert, und wobei ein Temperatursensor (19), der an ein Kabel (20) angeschlossen ist, welches durch mehrere der genannten Schichten (6, 7, 8) verläuft, an diejenige Schicht (8) grenzt, welche die feinsten Durchbrechungen (17) aufweist.
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: 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: 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: 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: 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: 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: 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: 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: CN120900631A
本发明提供了一种二维/二维结构复合光催化剂及其制备方法和应用，涉及光催化技术领域。本发明提供的二维/二维结构复合光催化剂，包括二维TiO2纳米片和负载在所述二维TiO2纳米片上的超薄二维Ni金属纳米片。本发明以超薄二维Ni金属纳米片为助催化剂，所述超薄二维Ni金属纳米片不仅能够与二维TiO2纳米片形成紧密耦合的二维/二维结构，还能显著提高光生载流子的分离与迁移效率，进而提升光催化产氢性能。实施例结果表明，本发明提供的二维/二维结构复合光催化剂的产氢性能相比于贵金属Pt负载TiO2光催化剂的性能有提升，因此所述复合光催化剂能在光催化领域中成为代替贵金属Pt负载TiO2的更高效且相对廉价的催化剂。
Resumen de: CN120900410A
本发明公开了一种水电解制氢用氢气脱氧器及氢气纯化系统，属于生产非金属的电解工艺所用设备领域；本发明首先提供了一种氢气脱氧器，该脱氧器在外筒体侧面设置加料口和排料口；外筒体内部、环绕内筒体设置能够上下移动的物料支撑体；位于物料支撑体上方的空间为填料空间，用于装填催化剂；当需要填料时，物料支撑体向上移动超过排料口；当需要排料时，物料支撑体向下移动使得排料口与物料支撑体上方的填料空间连通；该脱氧器方便更换催化剂，解决了现有脱氧器存在更换催化剂操作困难的技术问题；此外，将该脱氧器与三台干燥塔组合使用形成一套氢气纯化系统，可以用于氢气纯化。
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: 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: 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: 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: CN120905719A
本发明属于电解水领域，具体涉及非晶/晶体RuO2/WOx‑SO42‑复合材料、PEM电解水器件及其制备和在电解水制氢中的应用，其中，非晶/晶体RuO2/WOx‑SO42‑复合材料包括多价态WOx和非晶/晶体RuO2；以及修饰锚定在非晶/晶体RuO2上的SO42‑；所述的多价态WOx为正四价、正五价、正六价的钨的氧化物；所述的非晶/晶体RuO2包括金红石相的RuO2核，以及包覆在其表面的非晶态RuO2。本发明创新地提供了一种特殊物化结构的材料，其基于成分以及物化结构的联合控制，可以意外地适配酸性OER催化要求，可以获得优异的催化活性、稳定性，优化贵金属Ru的利用率。
Resumen de: KR20250158219A
본 발명은 전해공간이 형성되고, 좌우 및 전후로 각각 다수로 배치되는 본체부; 상기 본체부 각각의 전해공간을 제 1 및 제 2 공간으로 양분하도록 설치되는 분리막; 상기 분리막을 사이에 두고 상기 제 1 및 제 2 공간 내에 각각 설치되고, 산소전극과 수소전극 중 어느 하나와 다른 하나에 각각 해당되는 제 1 및 제 2 전극; 상기 본체부 사이마다 개재되어 접하게 되는 전해공간의 일측을 차단시키고, 일측에 위치하는 본체부의 제 2 전극과 타측에 위치하는 본체부의 제 1 전극 각각에 전기적으로 접속되는 양극판; 상기 본체부, 상기 분리막, 상기 제 1 및 제 2 전극, 그리고 상기 양극판이 좌우 및 전후로 배열되는 집합체의 양측에 각각 마련되고, 접하게 되는 전해공간의 일측을 차단시키며, 상기 양극판을 매개로 상기 제 1 및 제 2 전극에 전기분해를 위한 전원이 인가되도록 하는 배전부; 한 쌍으로 이루어져서 각각의 사이에 상기 집합체와 함께 상기 배전부가 개재되어 밀착되도록 고정되는 커버; 상기 전해공간에 전해액을 공급하도록 형성되는 공급유로부; 및 상기 전해공간으로부터 생성되는 가스를 배출시키도록 형성되는 배출유로부;를 포함하는, 다중 연결방식의 스택 전기분해 시스템에 관한 것이다.
Resumen de: WO2025227188A1
Described herein is a process for splitting water into molecular hydrogen (H2) and oxygen (O2), comprising: contacting water molecules with a catalyst, wherein the catalyst or at least portion thereof in contact with the water molecules is irradiated with microwave radiation, and wherein the catalyst comprises a compound of a metal (M) and at least one Lewis acidic element (X) different to the metal, whereby on contact, the water molecules split to form molecular hydrogen (H2) and oxygen (O2).
Resumen de: WO2025230304A1
The present invention relates to an electrode catalyst for water electrolysis and a method for producing same, and provides an electrode catalyst for water electrolysis and a method for producing same, the electrode catalyst comprising: a support composed of two-dimensional structured MXene; and a hetero-joined transition metal compound located on the support, wherein the transition metal compound employs a phosphide of two or more types of metals selected from the group consisting of nickel, iron, molybdenum, cobalt, and tungsten, so that the electrode catalyst, compared with conventional commercial catalysts, exhibits improved driving stability and increased electrochemical activity through an increased surface area of the catalyst.
Resumen de: KR20250158472A
본 개시의 일 실시예에 따른 선박용 개질 수소 공급 시스템은, 암모니아를 수소로 개질하는 개질기(200), 상기 개질기에서 생산된 개질 수소를 저장할 수 있는 버퍼 탱크(100), 상기 개질기에서 생산된 개질 수소를 상기 버퍼 탱크에 공급하는 공급라인(SL), 상기 공급라인에서 분기하여, 개질 수소를 상기 개질기로 다시 공급하는 순환라인(CL), 및 상기 순환라인에 도입되는 개질 수소의 유량을 조절하는 순환밸브(301)를 포함할 수 있다.
Resumen de: WO2025230390A1
A ruthenium-nickel foam catalyst composite, a preparation method therefor, and a hydrogen extraction system (10) using same are disclosed. Specifically, provided is the method for preparing a catalyst composite used for ammonia decomposition, comprising the steps of: (a) making a porous support, which is in the form of a three-dimensional structure having pores and includes a first metal, come into contact with an acidic aqueous solution so as to pretreat the porous support; (b) preparing a second metal precursor aqueous solution comprising water and a second metal precursor that includes a second metal; and (c) using the pretreated porous support and the second metal precursor aqueous solution so as to support a catalyst including the second metal on a part or all of the surface of the porous support, thereby preparing a catalyst composite. The present invention provides a low-loading noble metal catalyst by maximizing the utilization of supported noble metals through selective adsorption of Ru metal.
Resumen de: US2025341280A1
The storage apparatus according to the invention, a geo hydrogen storage system, is a system consisting of a plurality of groundwater wells drilled into the ground. Hydrogen is produced by electrolysis using green energy. The hydrogen and the associated oxygen are stored in and recovered from cartridges installed in said wells being flooded by the groundwater and located at appropriate distances from each other. The system uses closed-circuit circulating water to transport the gases generated in electrolysis in the form of bubbles. The gases are separated from the circulating water by volume expansion and form gas bubbles when they reach the corresponding cartridge. This gas bubble will, with continued operation, squeeze larger and larger volume of water from the groundwater in the cartridge, thereby pressurizing the system.
Nº publicación: US2025341001A1 06/11/2025
Solicitante:
THE REGENTS OF THE UNIV OF CALIFORNIA [US]
The Regents of the University of California
Resumen de: US2025341001A1
An electrode configuration and system useful for performing electrolysis, including one or more pairs of non-planar electrodes each comprising a first electrode having a first base and a second electrode comprising a second base. A mount can be used to mount the first electrode and the second electrode in each of the pairs with a spacing between the first base and the second base, so that an electric current may flow through a fluid between the first base and the second base to drive an electrochemical reaction of the fluid. A surface area of the bases (the base of the first electrode and the base of the second electrode) exposed to the fluid are dimensioned to support a current density of the electric current of at least 10 A/cm2 or in a range of 10 A/cm2 and 14 A/cm2. An electrolysis system including the electrodes can be used for the electrolysis of seawater to produce hydrogen at higher rates and with reduced chlorine evolution.
BOPI
Sede Electrónica
