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398
resultados
Última actualización
22/08/2025 [06:57:00]
Resultados 125 a 150 de 398
Resumen de: WO2025154484A1
The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: WO2025154892A1
The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.
Resumen de: US2025236969A1
A Ni-based porous electrode for water electrolysis including (a) a macroporous substrate having a specific thickness, porosity level, and a pore size; (b) a first layer of a metal or a metal alloy as defined herein covering the macroporous substrate; and (c) a second layer of Ni, a Ni—X alloy or a Ni—X—Y alloy covering the first layer. The Ni-based porous electrode is free from Pt-group metals and rare-earths. A process for the manufacturing of the Ni-based porous electrode. The use of the Ni-based porous electrode to catalyze the hydrogen evolution reaction (HER). A water electrolyzer comprising the Ni-based porous electrode.
Resumen de: US2025236972A1
Electrolyzer for production of hydrogen gas and comprising a stack of bipolar electrodes sandwiching ion-transporting membranes between each two of the bipolar electrodes. Each bipolar electrode comprises two metal plates welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates are embossed with a major vertical channel and minor channels in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates so as to also provide coolant channels in a herringbone pattern inside the coolant compartment.
Resumen de: US2025236967A1
A membrane in an electrochemical cell may be electrically and/or mechanically coupled to a flow-field plate using a conductive adhesive. Various types of adhesives with conductive particles may be used. The adhesive may be selected such that in the fluid phase it is able to diffuse through one or more porous layers of the electrochemical cell, such as a liquid/gas diffusion layer. In some cases, the use of conductive adhesive may increase the level of inter-component electrical contact that may be achieved for a given level of compressive force applied between the components in the electrochemical cell.
Resumen de: WO2025155611A1
Improved electrocatalysts for promoting a hydrogen evolution reaction (HER) or an oxygen evolution reaction (OER) from alkaline fresh water and seawater are disclosed. By incorporating metals, such as tungsten and rare earth elements, into the nickel molybdenum nitride framework, Ni1-xMoxN, the disclosed electrocatalysts demonstrate improved catalytic activity and stability compared to the original Ni&Ni0.2Mo0.8N catalysts, particularly under high-current alkaline conditions, in water electrolysis for hydrogen and oxygen production.
Resumen de: US2025236961A1
A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AlN material and GaN material or between AlGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4≤x≤1. Also a system comprising such device is disclosed.
Resumen de: US2025236978A1
A hydrogen generation system includes a plurality of cell stack assemblies, each including a plurality of cells. The cell stack assemblies are electrically connected in series. The cell stack assemblies each receive water and electricity and generate hydrogen as a result of an electrochemical reaction within the cells. The hydrogen is intended for use outside of the system and may be stored or transported to another location. A plurality of conduits carry water into and water, oxygen and hydrogen away from the cell stack assemblies. The conduits each include a dielectric section near the respective cell stack assembly to reduce or eliminate shunt currents between the cell stack assemblies. The dielectric sections may also serve to electrically isolate the cell stack assemblies from grounded portions of the system, such as a supporting frame.
Resumen de: EP4588561A1
Provided is a composite including molybdenum disulfide and molybdenum trioxide, in which the molybdenum disulfide includes a 3R crystal structure, and the percentage content of a molybdenum trioxide-equivalent value (B) calculated from the molybdenum content determined by XRF analysis of the composite relative to the total mass of the composite is 5 to 90 mass%. Also provided is a catalytic ink including the composite and a solvent. Also provided is a method for producing the composite, including a calcination step of heating molybdenum trioxide in the presence of a sulfur source at a temperature of 400°C or less.
Resumen de: GB2637436A
Provided are a battery management system and method, and a related device. Battery units are controlled to be connected or disconnected in a power supply circuit by using collected operation parameters of the battery units, so that the safety in a battery operation process is improved. The battery management system comprises N first nodes, a second node, and M control switches. The first node is used for generating a first signal and sending the first signal to the second node, wherein the first signal comprises operation parameters of the battery unit corresponding to the first node in the power supply circuit. The second node is used for generating a second signal on the basis of the N first signals from the N first nodes and sending the second signal to the control switches. The control switch is used for controlling, on the basis of the second signal, the battery unit corresponding to the control switch to be connected or disconnected in the power supply circuit.
Resumen de: AU2023405114A1
The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H
Resumen de: WO2024114990A1
A hydrogen production apparatus (11) for an intermittent power source (2) and/or an electrical grid, comprising: a hydrogen production unit (19) for producing hydrogen gas (12), a first compressor unit (21) for compressing the produced hydrogen gas, a tank (25) for storing the gas compressed by the first compressor unit (21), the tank comprising a first and a second outlet (28, 29), a second compressor unit (30) fluidly connected to the second outlet of the tank (25) for compressing hydrogen gas supplied from the tank, the second compressor unit comprising an outlet (33), and a dispensing unit (34) fluidly connected to both the first outlet of the tank and the outlet of the second compressor unit for dispensing gas from the hydrogen production apparatus. By storing hydrogen gas in the tank, hydrogen gas can be dispensed from the hydrogen production apparatus even in times of low hydrogen production such as low wind speeds.
Resumen de: CN119908039A
Disclosed is an electrochemical cell having: a porous metal support; at least one layer of a first electrode on the porous metal support; a first electron blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode; and a second bulk electrolyte layer of rare earth doped cerium oxide on the first electron blocking electrolyte layer. The first electron blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 mu m or more, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 mu m or more.
Resumen de: AU2023342927A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
Resumen de: CN119895081A
An electrolytic cell (1) for the electrolysis of chlor-alkali or alkaline water, comprising: two cell elements (2, 3), each cell element (2, 3) defining an electrode chamber (4, 5) by providing a rear wall (6) and side walls (7) of the electrode chamber (4, 5); electrodes (8, 9) respectively housed in each of the electrode chambers (4, 5); a sheet-like diaphragm (10) that extends in the height direction (H) and the width direction (W) of the electrolytic cell (1), is provided in a joint (11) between the two electrolytic cell elements (2, 3), and forms a partition wall (12) between the electrode chambers (4, 5); a plurality of support members (13) for supporting at least one electrode (8, 9) on a respective rear wall (6); wherein each support member (13) comprises: two support parts standing on the rear wall (6) and extending in the height direction (H) of the electrolytic cell (1); two feet (16, 17) connected to the respective supports (14, 15) at an angle and in planar contact with the rear wall (6); wherein the support portions of the support members (13) are connected to each other by means of an arch-shaped portion (18) bent outward toward the electrode (8) to be supported, and form an elastic bearing surface (19) for supporting the electrode (8); when the arch (18) deflects inwards, the bearing surface (19) increases.
Resumen de: MX2025002822A
The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall be able to handle, as raw material, Li-containing waters generated during digestion of spent lithium-ion batteries. The LiOH produced by the process shall have a high purity sufficient for direct manufacture of new LIB. The process shall achieve a high throughput and have small footprint in order that it can be combined with existing processes for workup of used LIB/for production of new LIB to form a closed, continuous production loop. The process according to the invention is an electrolytic membrane process operating with a LiSICon membrane. It is a special aspect of the process that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.
Resumen de: EP4588566A1
The present disclosure relates to a method of preparing a NiMo-MoO<sub>3-x</sub> porous nanorod catalyst based on a metal-organic framework and a non-precious metal alloy catalyst prepared thereby. The method of preparing a non-precious metal alloy catalyst according to the present disclosure can prepare an alloy catalyst that combine alloys and oxides and form nanorods having porosity and high surface area, and possess excellent HER performance close to that of commercial platinum catalysts.
Resumen de: EP4589053A1
An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.
Resumen de: EP4588957A1
A block copolymer including one or more segments containing an ionic group (hereinafter referred to as an "ionic segment(s)") and one or more segments containing no ionic group (hereinafter referred to as a "nonionic segment(s)"), wherein the ionic segment has an aromatic hydrocarbon polymer having a number-average molecular weight of more than 40,000 and 50,000 or less, and wherein the block copolymer satisfies the relation of: Mn3 / (Mn1 + Mn2) > 1.5, wherein Mn1 represents the number-average molecular weight of the ionic segment, Mn2 represents the number-average molecular weight of the nonionic segment, and Mn3 represents the number-average molecular weight of the block copolymer. Provided is a block copolymer and a polymer electrolyte material produced using the same, wherein the block copolymer has excellent proton conductivity even under low-humidity conditions, has excellent mechanical strength and physical durability, and has an excellent in-process capability.
Resumen de: NZ793935A
The present invention describes a processes, systems, and catalysts for the conversion of carbon dioxide and water and electricity into low carbon or zero carbon high quality fuels and chemicals. In one aspect, the present invention provides an integrated process for the conversion of a feed stream comprising carbon dioxide to a product stream comprising hydrocarbons between 5 and 24 carbon atoms in length.
Resumen de: KR20250111624A
본 발명은 암모니아를 이용한 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 상기 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함하고, 분리막은 다이아프램인 것을 특징으로 하는 바, 충분한 크기의 분리막을 저렴한 비용으로 제조하여 실제 상용화할 수 있는 수소생산장치에 관한 것이다.
Resumen de: KR20250111615A
본 발명은 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함한다. 제1전극모듈 또는 제2전극모듈 중 적어도 어느 하나는, 전극모듈 바디, 전극모듈 바디의 일 측에 형성되고 전극이 배치되는 전극홀을 포함하고, 제1전극은 전극모듈 바디에 분리 가능하게 결합되는 바, 전극의 손쉽게 교체할 수 있는 수소생산장치에 관한 것이다.
Resumen de: KR20250111478A
본 발명의 실시예에 따른 전기화학적 수소 압축기용 분리판은 바디 플레이트, 바디 플레이트의 일측에 형성되며 제1 깊이를 갖는 공급 유로, 바디 플레이트의 타측에 형성되며 제2 깊이를 갖는 배출 유로, 바디 플레이트에 형성되며 공급 유로와 배출 유로를 연결하는 중간 유로 및 중간 유로와 인접한 중간 유로 사이에 배치되는 적어도 하나 이상의 리브를 포함하며, 제1 깊이와 제2 깊이는 서로 다르게 형성될 수 있다.
Resumen de: AU2023359480A1
The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first zone running circumferentially; a second zone running circumferentially so as to be bordered on the outside by the first zone; a third zone running circumferentially so as to be bordered on the outside by the second zone, the various zones being arranged on the periphery of the associated main face. The invention also relates to the corresponding cell, electrolyzer cell and assembly method.
Nº publicación: JP2025523293A 18/07/2025
Solicitante:
福州大学
Resumen de: WO2023246668A1
Disclosed in the present invention is an ammonia decomposition reactor having an ammonia preheating function. The reactor comprises a heat exchanger body and a reactor body; the heat exchanger body wraps the outer side of the reactor body; heat exchange tubes on the heat exchanger body are arranged in heat exchange housings; one end of each heat exchange tube is communicated with an ammonia heat exchange inlet, and the other end of the heat exchange tube is communicated with an ammonia heat exchange outlet; a heating agent inlet and a heating agent outlet on the heat exchanger body are respectively communicated with the heat exchange housings; catalyst tubes on the reactor body are arranged in a reaction housing; the ammonia heat exchange outlet on the heat exchanger body is communicated with an ammonia inlet on the reactor body; the ammonia inlet is communicated with an ammonia decomposition gas outlet by means of the catalyst tubes; and the ammonia decomposition gas outlet is communicated with the heating agent inlet on the heat exchanger body. According to the present invention, the reactor is compact in structure, high-temperature gas of an ammonia decomposition gas in the reactor is used as a heat medium of a heat exchanger, and heat is provided for ammonia for preheating, so that ammonia entering the reactor is in a high-temperature state, and the ammonia decomposition reaction in the reactor is more sufficient.
BOPI
Sede Electrónica
