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PRODUCTION OF HYDROGEN USING METHANOL

Resumen de: WO2025169081A1

PRODUCTION OF HYDROGEN USING METHANOL The present disclosure relates generally to processes for producing hydrogen. In particular, the disclosure relates to a process comprising: providing a first feed stream comprising H2 and CO2; contacting the first feed stream with a hydrogenation catalyst (e.g., in a hydrogenation reaction zone) to hydrogenate at least a portion of the CO2 to form a first product stream comprising methanol; storing at least a portion of the methanol of the first product stream; providing a second feed stream comprising at least a portion of the stored methanol; in a methanol dehydrogenation reaction zone, dehydrogenating at least a portion of the methanol of the second feed stream to form a second product stream comprising H2 and CO2; providing a third feed stream comprising at least a portion of H2 of the second product stream; in a hydrogen reaction zone, reacting hydrogen of the third feed stream with one or more co-reactants to provide a third product stream comprising one or more products including reacted hydrogen atoms from hydrogen of the third feed stream.

CROSSLINKED COPOLYMER, POLYMER MEMBRANE COMPRISING SAME, AND ANION EXCHANGE MEMBRANE COMPRISING SAME POLYMER MEMBRANE

Resumen de: EP4600283A1

The subject disclosure relates to a crosslinked copolymer that has outstanding ion exchange capacity, exhibits high ion conductivity and water content under diverse temperature conditions, and features high density, low hydrogen permeability, and excellent thermal and oxidative stability, making it well-suited as an anion exchange membrane for water electrolysis to produce high-purity hydrogen and oxygen

POSITIVE ELECTRODE FOR ELECTROLYSIS AND METHOD FOR PRODUCING SAME

Resumen de: EP4600408A1

An anode for electrolysis in which electrolysis performance is less likely to deteriorate even when electric power having a large output fluctuation, such as renewable energy, is used as a power source and in which excellent catalytic activity is stably maintained for a long period of time is provided. The anode for electrolysis 10 includes a conductive substrate 2 in which at least a surface of the conductive substrate 2 is formed of nickel or a nickel-based alloy; and a first layer 4 formed on the surface of the conductive substrate 2, the first layer 4 being capable of functioning as a catalyst layer containing a lithium-containing nickel cobalt oxide represented by a composition formula LixNiyCo2O4 (0.05 ≤ × ≤ 1.0, 1.0 ≤ y ≤ 2.0, 1.0 ≤ z ≤ 2.0, and x + y + z = 2 to 3).

SYSTEM AND PROCESS FOR THE COMBINED PRODUCTION OF AMMONIA AND HYDROGEN

Resumen de: EP4600203A1

The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.

ELECTROLYSIS SYSTEM

Resumen de: EP4600407A2

An electrolysis system (10) includes: an electrolysis cell (20) configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit (30) that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit (50) that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit (70) configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.

ELECTROCHEMICAL CELL STACKS INCLUDING MULTI-DIAMETER MESH CONTACT LAYER

Resumen de: EP4601053A1

An electrochemical cell stack includes at least two electrochemical cells that each contain a fuel electrode, an air electrode, and an electrolyte located between the fuel electrode and the air electrode, at least one interconnect located between the at least two electrochemical cells, and a contact layer that electrically connects the at least one interconnect and the fuel electrode of an adjacent one of the at least two electrochemical cells. The contact layer includes first wires that extend in a first direction, the first wires including thinner first wires and thicker first wires, the thicker first wires having a thickness that is larger than a thickness of the thinner first wires, and second wires that extend in a second direction different from the first direction.

ELECTROLYSIS SYSTEM COMPRISING A PRESSURE ELECTROLYZER, AND METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM OF THIS TYPE

Resumen de: AU2023397261A1

The invention relates to an electrolysis system (1) with a pressure electrolyzer (3) for generating hydrogen (H

ＣＯ２、ＣＯおよび他の化学化合物の電気化学反応のための先進的構造を有するリアクタ

Resumen de: US2025250695A1

A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.

ELECTROCHEMICAL HYDROGEN PRODUCTION VIA AMMONIA CRACKING

Resumen de: WO2024129246A1

Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane conducts both electrons and protons, wherein the anode and cathode are porous; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia or a cracked ammonia product; and (c) extracting a second stream from the cathode, wherein the second stream comprises hydrogen, wherein the first stream and the second stream are separated by the membrane.

ELECTROCHEMICAL CO-PRODUCTION OF HYDROGEN AND CARBON MONOXIDE

Resumen de: WO2024112460A1

Herein discussed is a method of co-producing carbon monoxide and hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a fuel; (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide and water, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically. In an embodiment, the anode and the cathode are separated by the membrane and are both exposed to reducing environments during the entire time of operation.

HYDROCARBON GENERATION SYSTEM AND CARBON DIOXIDE CIRCULATION SYSTEM

Resumen de: EP4600236A1

A hydrocarbon generation system (1) includes a hydrocarbon generator (2, 21, 22), an electrolyzer (3), a water vapor supply line (4), and a heat exchanger (51). The hydrocarbon generator generates hydrocarbon through an exothermic reaction between a carbon oxide gas and hydrogen. The electrolyzer generates hydrogen from water vapor of raw materials, the generated hydrogen being supplied to the hydrocarbon generator. The water vapor supply line generates the water vapor of the raw materials by evaporating liquid water of the raw materials and supplies the generated water vapor to the electrolyzer. The heat exchanger uses heat of a reaction generated in the hydrocarbon generator to evaporate the liquid water of the raw materials in the water vapor supply line via heat transfer oil.

SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND ELECTROLYZER THEREFORE

Resumen de: WO2024076575A1

A method can include: processing precursors, electrochemically oxidizing sulfur dioxide, processing sulfuric acid and hydrogen, and/or any suitable steps. An electrolyzer can include an anode, a cathode, and a separator. The anode can include an anolyte, an electrode, an anolyte reaction region, and/or any suitable components. The cathode can include a catholyte, an electrode, a catholyte reaction region, and/or any suitable components.

SOLID OXIDE FUEL CELLS WITH SEPARATED INLET AND OUTLET MANIFOLDS

Resumen de: KR20200094876A

The present invention relates to a solid oxide fuel cell and a solid oxide electrolysis cell. According to the present invention, the solid oxide fuel cell and the solid oxide electrolysis cell comprises, respectively; a flat tubular unit cell (100) having a plurality of tubular through-holes (111a, 111b) for transferring fuel gas formed in a longitudinal direction; an upper cap (200) coupled to one longitudinal end of the flat tubular unit cell (100) and blocking one end of the flat tubular unit cell (100) from the outside while communicating the plurality of tubular through-holes (111a, 111b) with each other; a cell lower slit (300) coupled to the other longitudinal end of the flat tubular unit cell (100), having an opening part (320) opening the plurality of tubular through-holes (111a, 111b) formed therein, and having an insertion groove (330) formed on a lower surface; and a manifold (400) coupled to the cell lower slit (300), having spaces (420, 430) formed therein to communicate with the plurality of tubular through-holes (111a, 111b), including a reaction gas inlet (450) through which the fuel gas is supplied and a reaction gas outlet (460) through which the fuel gas reacting with air is discharged, and dividing the spaces (420, 430) and the plurality of tubular through-holes (111) into halves to form the flow of fuel gas in a U-shape. Accordingly, since a flat tubular unit cell and a flat planar unit cell are divided into halves, respectively, inflow and outflow of t

AMMONIA CRACKER

Resumen de: WO2024074817A1

An ammonia cracker module for converting ammonia into hydrogen is provided. The ammonia cracker module includes: (i) a heat exchange reactor including: (a) a first reaction zone including: a first working fluid flowpath; a first reactant flowpath; and one or more heat exchange interfaces positioned between the first working fluid flowpath and first reactant flowpath; (b) a second reaction zone including: a second working fluid flowpath; a second reactant flowpath; and one or more heat exchange interfaces positioned between the second working fluid flowpath and second reactant flowpath; (c) a catalyst positioned to contact reactant fluid flowing through the first and second reactant flowpaths to convert ammonia flowing through the first and second reactant flowpaths into hydrogen; and (ii) a heating system including: a first heat source, configured to heat working fluid to create a first heated working fluid to enter the first working fluid flowpath; and a second heat source, configured to receive a first thermally depleted working fluid from the first working fluid flowpath and output a second heated working fluid to the second working fluid flowpath when the cracker module is in use. A method of producing hydrogen using an ammonia cracker is also provided.

贵金属与难熔多主元基底结合的高熵合金催化剂、制备方法和酸性OER应用

Resumen de: CN120465055A

本发明涉及贵金属与难熔多主元基底结合的高熵合金催化剂、制备方法和酸性OER应用。该催化剂是由难熔金属组元A和贵金属活性组元B形成的高熵合金，成分表达式为AxBy，A选自Ta,Nb,Hf,Zr,Ti,W,Mo中的多种，B选自Ir,Os,Ru中的至少一种。通过物理冶金合金化调控前驱体组织结构，并通过脱合金技术获得树枝状难熔金属组元支撑颗粒状活性组元的独特结构，可直接用于酸性OER催化剂，在大电流密度工作条件下兼具活性和稳定性，同时具有低贵金属用量及可宏量制备的特色，具有作为PEM电解槽催化剂的实际应用潜力。

电解系统

Resumen de: US2025250688A1

An electrolysis system includes: an electrolysis cell configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.

金属体和制造金属体的方法

Resumen de: WO2024133737A1

The invention relates to a metal body comprising a substrate (1) made of a metal material. At least one first layer (L1) made of Ni-X-Y is deposited onto the surface of the substrate (1), wherein X is a chemical element which is selected from Al, Zn, Mg, Mn, Sn and/or a plurality of the aforementioned elements and Y is a chemical element which is selected from Mo, Cr, Fe, Cu, Co, Ti, V, Ce and/or a plurality of the aforementioned elements. The at least one first layer (L1) has at least two lamellar regions with different phases in terms of the ternary phase diagram. In order to increase the specific surface area of the at least one first layer (L1), at least one of the lamellar phases which form a region of the at least one first layer (L1) is completely or partially leached.

水電解セル、水電解スタック

Resumen de: CN120400870A

The present disclosure relates to a water electrolysis cell, and a stack of water electrolysis cells stacked with water electrolysis cells. Provided is a water electrolysis cell in which the concentration of hydrogen reaching the oxygen-generating electrode side is reduced to the concentration before the concentration is increased, with a simple configuration. The water electrolysis cell is provided with an electrolyte membrane, a catalyst layer, and a diaphragm through which a fluid flows, and generates hydrogen and oxygen by supplying water and applying a voltage thereto, in which a hydrogen reaction catalyst for promoting a reaction between hydrogen and oxygen is provided at a site where the generated oxygen and the remaining water flow on the surface of the diaphragm on the oxygen generation electrode side.

CATALYST FOR HYDROGEN EVOLUTION REACTION CONTAINING RUTHENIUM-BASED ALLOY WATER ELECTROLYSIS ELECTRODE CONTAINING THE SAME AND METHOD OF MANUFACTURING THE SAME

Resumen de: US2025250698A1

Disclosed herein are a catalyst for a hydrogen evolution reaction, a water electrolysis electrode including the same, and a method of manufacturing the same, wherein the catalyst can be manufactured at room temperature, and catalyst diversity can be given through an alloy structure including ruthenium and two or more metals. According to the present disclosure, the catalyst can be manufactured at room temperature due to characteristics of an electroplating manufacturing method, and the catalyst diversity can be given through the alloy structure that includes ruthenium and two or more metals.

水電解システム

Resumen de: CN120400877A

The invention provides a water electrolysis system capable of ensuring cooling of a water electrolysis cell and suppressing deterioration of durability of the water electrolysis cell. A water electrolysis system for obtaining hydrogen from a hydrogen electrode by supplying water to an oxygen electrode of a water electrolysis cell and applying a voltage to the water electrolysis cell, the water electrolysis system having a cooling fluid path for supplying a cooling fluid different from the water supplied to the oxygen electrode to the water electrolysis cell through a flow path different from a flow path through which the water is supplied to the oxygen electrode.

包含组合式流量分配器和接触使能器的SOC堆

Resumen de: CN120380621A

A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.

シート状チタン多孔質体およびその製造方法

Resumen de: JP2025116859A

【課題】シート状チタン多孔質を高効率で、かつ歩留まり良く製造可能な方法を提供すること。【解決手段】この製造方法は、少なくとも一つの貫通孔を有する少なくとも一つのステージ、少なくとも一つのステージを囲み、少なくとも一つのステージから離隔するフレーム、および少なくとも一つのステージとフレームを互いに連結する少なくとも一つの連結部を備える治具上に、少なくとも一つの貫通孔および少なくとも一つのステージとフレーム間の隙間を覆うように、チタン多孔質体を含むマザーシートを配置すること、マザーシートを治具上に吸着すること、ならびに隙間に沿って、ファイバレーザから射出されるレーザ光をマザーシート上で走査することによってマザーシートを切断することを含む。【選択図】図６Ｂ

具有分级气体重组层的膜电极组件

Resumen de: US2025250694A1

A membrane electrode assembly includes a cathode portion disposed on one end and an anode portion disposed on an opposite end from the cathode portion. The membrane electrode assembly also includes a cathode ionomer layer disposed adjacent the cathode portion and an anode ionomer layer disposed adjacent the anode portion. Further, the membrane electrode assembly may include one or more support layers disposed between the cathode ionomer layer and the anode ionomer layer. Additionally, the anode ionomer layer includes a plurality of gas recombination catalysts in a graded dispersion such that a portion of the anode ionomer layer disposed closer to the anode portion includes a higher concentration of gas recombination catalysts than a portion of the anode ionomer layer disposed closer to the cathode portion.

一种具有片状纳米花形貌的镍铁层状双氢氧化物及其制备方法与应用

Resumen de: CN120440986A

本发明涉及一种具有片状纳米花形貌的镍铁层状双氢氧化物及其制备方法与应用，该镍铁层状双氢氧化物的制备方法包括以下步骤：S1、将乙酸镍溶解于有机溶剂或有机溶剂与水的混合溶剂中制备第一溶液；将亚铁盐溶解于水中制备第二溶液；S2、将第一溶液和第二溶液混合均匀得到混合溶液，经静置陈化得到所述镍铁层状双氢氧化物。该方法操作简单，反应条件温和，设备成本低，合成过程绿色环保；且由上述方法制备的NiFe‑LDH呈现三维纳米花结构，形貌均一，具有高比表面积，可提供更多的活性位点，作为催化剂用于电解水析氧表现出优异的电催化性能，在电化学储能、电催化以及催化氧化等领域具有广阔的应用前景。

自活化高熵合金OER催化电极及其制备方法和碱性OER应用

Nº publicación: CN120443232A 08/08/2025

Solicitante:

西北工业大学深圳研究院

Resumen de: CN120443232A

本发明属于碱性电解水制氢领域，具体涉及自活化高熵合金OER催化电极及其制备方法和碱性OER应用。该高熵合金的成分为AxBy，A由Fe、Co、Cr、Ni中至少两种元素组成，B为W、Mo或其组合。其中，优选高熵合金(FeCoCrNi)xWy具有共晶结构，基于共晶高熵合金混合焓特性，通过合金化和物理冶金手段可以实现共晶组织调控；其次，这种共晶高熵合金不需要任何处理可以直接用作碱性OER催化电极，在碱性环境大电流密度条件下进行OER过程中会自发活化，自重构形成多孔结构，极大提高材料比表面积，改善传质、气体扩散过程，提升材料催化性能。