Resumen de: EP4803667A1
An electrolyzer, a method for manufacturing the electrolyzer, and an electrolyzer module are provided, relating to the field of electrolyzers. The electrolyzer includes: a frame defining an inner cavity and including a top frame, a bottom frame, a first frame, and a second frame; a bipolar plate connected to the frame and dividing the inner cavity into an anode chamber and a cathode chamber; a first collection frame, located within the anode chamber and fixed to an end of the bipolar plate near the top frame, and defining a first cavity together with the bipolar plate; an anode mesh, located on a side of the first collection frame away from the bipolar plate; a second collection frame, located within the cathode chamber and fixed to an end of the bipolar plate near the top frame, and defining a second cavity together with the bipolar plate; a cathode mesh, located on a side of the second collection frame away from the bipolar plate. The first frame and the second frame each have a hollow chamber. One of the first frame and the second frame has a first discharge port formed on an inner wall facing the anode chamber, and the other of the first frame and the second frame has a second discharge port formed on an inner wall facing the cathode chamber, the first discharge port being in communication with the first cavity, and the second discharge port being in communication with the second cavity. This is at least advantageous in improving electrolysis efficiency of the electrolyze
Resumen de: JP2026144223A
【課題】電解時間が経過しても電解性能の劣化を防ぐ。【解決手段】本開示に係る水電解装置は、アルカリ水溶液である電解液が供給される水電解セルと、電解液が貯留される酸素ガス用気液分離装置と、酸素ガス用気液分離装置と水電解セルの正極側とを接続し、酸素ガス用気液分離装置から水電解セルの正極側に向けて電解液が流れる配管である電解液供給ラインと、を有し、電解液供給ラインは、酸素ガス用気液分離装置との接続箇所から水電解セルの正極側との接続箇所までの少なくとも一部の区間において、耐アルカリ性を有する耐アルカリ層が内面に形成されている。【選択図】図2
Resumen de: WO2025056228A1
The present invention relates to a process for producing hydrogen from an ammonia-containing gas with a supported catalyst in the form of a ruthenium-endowed support body, and to the use of such a ruthenium-containing supported catalyst in a process for producing hydrogen. The process comprises the providing of a supported catalyst in the form of a ruthenium-endowed support body, wherein the support body comprises a refractory oxide as support material, is cylindrical and has at least three mutually spaced-apart channels that extend fully through the support body, where one of the channels extends along a central longitudinal axis.
Resumen de: EP4803668A1
Provided is a technique capable of suppressing occurrence of cracking in an air electrode and separation at the interface between the air electrode and a solid electrolyte layer during use of a solid oxide electrolysis cell. The air electrode of the solid oxide electrolysis cell is an air electrode containing a complex oxide having a perovskite structure. In a cross section of the air electrode, the standard deviation among measurements of each element atomic concentration of the complex oxide at 10 spots in one field of vision, the measurements being obtained by means of energy-dispersive X-ray spectroscopy, is 13.5 or less.
Resumen de: WO2025093132A1
The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.
Resumen de: WO2025093133A1
The invention relates to an electrochemical cell assembly, comprising a stack of cell units, wherein each cell unit has a periphery and a central portion surrounded by the periphery, the periphery has a first flange portion (90-1) and an opposite second flange portion (90-2), the flange portions of adjacent cell units overlie one another and are separated by a gap (88-1, 88-2), wherein between two adjacent cell units, there is provided a fluid flow path comprising an inner flow path between the central portions of adjacent cell units and an outer flow through said gaps, and a flow restriction device (112) comprising at least one flow restriction member (114-1, 114-2), said flow restriction device being configured to reduce or prevent fluid flow along the outer flow path.
Resumen de: WO2025093091A1
An alkaline electrolyzer comprising a stack (17) of electrolytic cells (1) for producing hydrogen gas (8). Each of the cathode compartments (5) comprises a cathode gas outlet (23A) into a cathode electrolyte return conduit (28), the downstream end (41) of which is connected to a hydrogen purifier (33) configured for providing purified hydrogen gas by removing oxygen from the gas received from the cathode electrolyte return conduit (28). A cathode gas recirculation system (38) connects a downstream end of the hydrogen purifier (32, 33) to an upstream end (40) of the cathode electrolyte return conduit (28) for supplying purified hydrogen gas to the cathode electrolyte return conduit (28). Each of the anode compartments (6) comprises an anode gas outlet (23B) into an anode electrolyte return conduit (28), the downstream end (41) of which is connected to an oxygen purifier (33) which removes hydrogen from the gas coming from the anode electrolyte return conduit (28). An anode gas recirculation system (38) connects a downstream end (41) of the oxygen purifier (33) to an upstream end (40) of the anode electrolyte return conduit (28) for supplying purified oxygen gas to the anode electrolyte return conduit (28). Hereby the electrolyzer can be operated at part load, for example below 10% of the nominal load.
Resumen de: EP4803669A1
0001 Provided is a technique capable of suppressing occurrence of cracking in an air electrode and separation at the interface between the air electrode and a solid electrolyte layer during use of a solid oxide electrolysis cell. The air electrode of the solid oxide electrolysis cell is an air electrode containing a complex oxide having a perovskite structure and contains P at 1 ppm or greater and 500 ppm or less, Cr at 1 ppm or greater and 500 ppm or less, B at 1 ppm or greater and 500 ppm or less, and Si at 1 ppm or greater and 500 ppm or less with respect to the entire mass of the complex oxide.
Resumen de: WO2025040149A1
Disclosed in the present invention is a composite membrane for a water electrolysis cell. The composite membrane contains non-woven fabric and polymer resin, the polymer resin being present in one or two sides of the non-woven fabric and partially or completely permeating into the non-woven fabric structure, the non-woven fabric accounting for 20-95% of the weight of the composite membrane, the thickness of the non-woven fabric being 0.20-2.00 mm, the gram weight thereof being 100-400 g/m2, and the density thereof being 0.20-0.50 g/cm3. The composite membrane for a water electrolysis cell of the present invention has the characteristics of high air impermeability, low resistance and high service durability in alkali liquor environments.
Resumen de: WO2025093251A1
An energy production and storage system comprises a power input connection (10) for a renewable energy source (2); an electrolysis device (16) for electrolysis of water to produce oxygen, hydrogen, and heat; an electrical energy storage device (14); a two-way grid connection (12) coupled to an external electrical grid (4); and a controller (8). The controller (8) is configured to: (i) receive information relating to: actual or potential energy production from the renewable energy source (2), the amount of stored energy in the electrical energy storage device (14), and balancing requirements for the external electrical grid (4); (ii) use the energy from the renewable energy source (2) to power the electrolysis device (16) and/or for storage in the energy storage device (14); and (iii) based on the received information, operate the energy production and storage system as a balancing service provider by either: drawing power from the grid (4) to supply the electrolysis device (16), or supplying power to the grid (4) from the electrical energy storage device (14), thereby acting as a switch to aid in balancing for the external electrical grid (4).
Resumen de: US20250136457A1
0000 Apparatus, system, and method for geothermally driven ammonia production. Hydrogen is generated using energy obtained from the underground magma reservoir and nitrogen is captured from air using the energy obtained from the underground magma reservoir. At least a portion of the generated hydrogen is combined with at least a portion of the generated nitrogen and heated at least to a reaction temperature using the energy obtained from the underground magma reservoir. The heated hydrogen contacts the heated nitrogen for a residence time to form the ammonia.
Resumen de: TW202503118A
The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5") are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5") comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5") comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).
Resumen de: JP2026144910A
0001 【課題】水素を耳の内部に供給し耳部の健康を増進するシステムを提供する。 【解決手段】本発明は、水素発生装置で発生した水素を耳内に供給することを特徴とする水素発生装置を含む耳部水素供給システムであり、水素発生装置、耳にあてることが可能な開口部を有する耳あてマスク、および前記水素発生装置と前記耳あてマスクを接続し、および前記水素発生装置から出る水素を前記耳あてマスクへ供給する水素供給管を有し、前記耳あてマスクの開口部を耳にあてたときに前記耳あてマスクの開口部側に前記耳あてマスクと頭部および顔部で作る閉空間を有し、前記閉空間に前記マスクへ供給された水素が入り、さらに当該水素が耳の穴から耳内に入ることを特徴とする。 【選択図】図1
Resumen de: EP4803666A1
The present invention relates to a hydrogen production system (1). The system (1) comprises an electrolyser (10), equipped with an internal tank (101), adapted to produce hydrogen from the electrolysis of water, and a water distribution pipe (62) adapted to connect the internal tank (101) of the electrolyser (10) to a water source (50).Advantageously, the system also comprises an electrolyte tank (20) adapted to contain a quantity of electrolyte equal to or greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10), and a waste tank (30) adapted to contain a quantity of fluid greater than the quantity of electrolyte contained by the internal tank (101) of the electrolyser (10). Furthermore, the system comprises an electrolyte distribution pipe (63) adapted to connect the internal tank (101) of the electrolyser (10) to the electrolyte tank (20), a drain pipe (64) adapted to connect the internal tank (101) of the electrolyser (10) to the waste tank (30), and a water control valve (71) adapted to regulate the flow of fluid in the water distribution pipe (62), an electrolyte control valve (72) adapted to regulate the flow of fluid in the electrolyte distribution pipe (63), and a control valve (73) adapted to regulate the flow of fluid in the drain pipe (64). Finally, the system comprises a control unit (40) connected to the electrolyser (10) and the valves (71-73) to control its operation. In particular, the electrolyser (10) measures a
Resumen de: EP4803822A1
0001 Die vorliegende Erfindung betrifft eine Vorrichtung zur Wärmeerzeugung sowie ein dazugehöriges Verfahren und ein Computerprogramm, wobei durch eine Einlassöffnung ein Wasserstoff (H<2>)-Gasgemisch in mindestens einen Reaktionsraum geleitet wird, wobei der Reaktionsraum in Verbindung mit einem Impulszünder steht, welcher eine Initialzündung des Gasgemisches im Reaktionsraumes erzeugt, der dabei entstehende Wasserdampf wird über mindestens eine Auslassöffnung aus dem Reaktionsraum in ein Dampfrohr geführt, in dem der Wasserdampf kondensiert, wobei das Dampfrohr derart ausgebildet ist, dass es eine Kurve bildet und parallel zum Reaktionsraum zurückgeführt wird, wodurch das darin gebildete Wasser zur Aufrechterhaltung der Reaktion im Reaktionsraum und/oder zur Wiederverwendung in einem Elektrolyseprozess verwendet werden kann.
Resumen de: EP4803660A1
A gas inlet conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-separated stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a hydrogen-side pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a hydrogen-side heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side pump (30) in fluid communication with an oxygen-side phase separator (32) in fluid communication with an oxygen-side heat exchanger (34) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
Resumen de: EP4803659A1
0001 A gas conduit (58) is constructed and arranged to feed a gas (42) into an active area (50) of an electrolysis cell (12) within a stack (14) in sufficient quantity to function as an electrical insulator and reduce an electric current at an entry (52) of the active area (50) and thereby more closely balance the current at the entry (52) of the active area (50) with the current at an exit (54) of the active area (50). Also, an electrolysis-mixed stack configuration (10) is provided having a plurality of electrolytic cells (12) forming an electrolysis stack (14), a pump (20) in fluid communication with a hydrogen-side phase separator (22) in fluid communication with a heat exchanger (24) in fluid communication with a hydrogen-side recycle blower (26); where the electrolysis stack (14) is shared with an oxygen-side (16) having a pump (20) in fluid communication with an oxygen-side phase separator (32) in fluid communication with the heat exchanger (24) in fluid communication with the oxygen-side recycle blower (36); wherein hydrogen (42) is generated.
Resumen de: EP4804378A1
0001 The invention is about a method for controlling an electrolysis system (1) comprising a transformer unit (2), rectifier units (3) operating in parallel, and electrolysis module rows (4) with hydrogen and oxygen sides (5, 6) connected at DC sides (7) of the rectifier units (3), the method comprising: - detecting a Fault Ride Through event; and - adjusting the ramp-up rate of a DC current considering a current position of control valves (8) on the hydrogen and oxygen sides (5, 6).
Resumen de: EP4803670A1
0001 An electrode catalyst layer comprises a catalyst, a proton-conductive or anion-conductive polymer electrolyte, and a polymeric fibrous material having a functional group capable of forming a hydrogen bond.
Resumen de: CA3201278A1
The present invention regards a method for converting carbon dioxide into carbon monoxide in high-temperature, dry, solid oxide electrolysis providing increased lifetime of SOECs and SOEC stacks by addressing the problem of coking, while simultaneously ensuring highest possible CO production from each cell or stack.
Resumen de: WO2024064495A2
Hydrogen gas purifier electrochemical cells (10, 50, 150), systems (200) for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells (24, 26, 152) that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells (250) and methods of electrolyzing water to produce hydrogen gas are also disclosed.
Resumen de: EP4570366A1
The present disclosure relates to apparatuses for producing nanoparticles from a material mixed with a working liquid and optionally to produce hydrogen, and to top-down methods for producing nanoparticles and optionally hydrogen using such apparatuses. A core of such an apparatus comprises a first disc (11) and a second disc (12) including holes (7) arranged in concentric rings (16) and channel portions (18) between those rings. The first disc and the second disc are arranged such that the channels of each disc face the rings of the other disc.
Resumen de: CN122702501A
一种巴尔沙木/CdS‑Co型光热‑光催化复合材料及制备方法和水氢联产应用,它涉及光催化功能材料技术领域,该复合材料以脱木质素巴尔沙木为三维多孔自支撑基底,通过水热法原位生长六方纤锌矿相CdS,再经光诱导还原沉积Co助催化剂;CdS‑Co纳米颗粒粒径20~50 nm,均匀分布于木材纤维与孔道内,Co最优负载量为15 wt%。制备工艺包括:巴尔沙木的NaOH‑Na2SO3脱木质素预处理4小时、水热原位生长CdS、光沉积负载Co。本发明材料兼具高效光热蒸发与光催化产氢性能,光热蒸发速率达0.01063 g·cm‑2·min‑1,表面温度升至47.4 ℃;最优产氢速率达2381.0 μmol·g‑1·h‑1,为纯CdS的8.7倍。材料具有抗光腐蚀、易回收、绿色可再生、水氢联产等优点,可广泛应用于太阳能制氢、海水淡化、分布式能源供水系统。
Resumen de: CN122707194A
本发明涉及电解水制氢技术领域,具体公开了一种基于多物理场耦合的AEM电解槽自动控制系统,包括:通过高频采集电流和阴阳极压力,提取差压滞后时长与共模超调构成耦合特征对,识别膜是否进入非解耦状态;预测差压尖峰时刻和峰值,确定旁通阀泄压方向及背压阀动作时序,迫使差压尖峰与共模压力上升沿错相;利用膜两侧温差计算刚度不对称,修正背压动作滞后与电流爬坡斜率,生成电流‑压力协同控制指令,约束膜复合应力轨迹;执行中持续监测差压与共模压力变化率,若再次同相则补偿旁通阀强制错相;在功率阶跃动态过程中实现共模‑差压的有效解耦,将膜应力严格限制在安全范围,避免频繁调频导致的机械衰减。
Nº publicación: CN122707186A 08/09/2026
Solicitante:
山东海化股份有限公司山东海化集团有限公司
Resumen de: CN122707186A
0001 本发明提供了一种具有过渡金属单原子与过渡金属团簇协同结构的电催化剂及其制备方法与应用,属于电催化材料技术领域。本发明通过调控溶剂环境与配位方式,先制备具有不同空间配位结构的金属有机配位聚合物前驱体;然后在后续热解中,前驱体骨架节点处的金属离子因局部高温聚集形成团簇,孔道内锚定的金属离子形成单原子,实现了金属单原子与金属团簇在碳基质中的可控构建与均匀共存。本发明的电催化剂有效克服单原子与团簇难以协同导致的析氢过电位高、催化稳定性差等缺陷,能够实现氢吸附与氢脱附过程的同步优化,显著提升非贵金属催化剂的析氢性能与运行稳定性为非贵金属电催化剂的设计提供了新策略。