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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.

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).

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.

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.

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。

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.

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.

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.

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.

Electrolizador de óxido sólido con módulo de pilas y método para intercambiar módulo de pilas

Resumen de: CN120202324A

The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.

密封垫装置以及密封垫

Resumen de: WO2024142618A1

A gasket device (1) comprises a gasket (2) and a spacer (3). The spacer (3) supports separators (101, 102) which are members facing each other and an electrolyte membrane (104) between the separators (101, 102) and the electrolyte membrane (104) such that the separators (101, 102) and the electrolyte membrane (104) face each other via spaces (100a, 100b). The gasket (2) surrounds the space (100a) or the space (100b) between the separator (101) or the separator (102) and the electrolyte membrane (104). Moreover, the spacer (3) surrounds the gasket (2) from the outer side between the separators (101, 102) and the electrolyte membrane (104). The gasket (2) and the spacer (3) are in contact with each other in the expanding direction of the spaces (100a, 100b).

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.

High-efficiency hydrogen production system using direct air capture using renewable energy

Resumen de: WO2025165039A1

The present invention relates to a high-efficiency hydrogen production system by a direct air capture method using renewable energy. According to an embodiment of the present invention, the high-efficiency hydrogen production system comprises: a direct air capture device in which a chemical reaction occurs when an alkaline liquid mixture containing a specific component, such as potassium hydroxide or sodium hydroxide, is brought into contact with air, to capture carbon dioxide from the air; an electrolysis tank into which pure water and the sodium carbonate or potassium carbonate solution generated in the process of the chemical reaction for capturing carbon dioxide in the direct air capture device are introduced and then electrolyzed by using renewable energy including solar or wind power generation energy, to generate a gas containing hydrogen and a liquid containing potassium hydroxide or sodium hydroxide and separate and extract the generated gas and liquid; a gas storage tank in which the gas separated and extracted from the electrolysis tank is stored; and a liquid storage tank in which the remaining liquid after the gas is separated and extracted from the electrolysis tank is stored and potassium hydroxide or sodium hydroxide contained in the liquid is reintroduced into the direct air capture device.

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

Solid oxide electrolysis cell cascade system

Resumen de: KR20250120072A

본 발명의 일 실시예에 따른 캐스케이드 방식의 고체산화물 수전해셀 시스템은 캐스케이드 방식의 고체산화물 수전해셀 시스템은 스팀을 공급하는 스팀 공급부; 에어를 공급하는 에어 공급부; 스팀 공급부로부터 스팀을 공급받아 수소를 포함하는 반응 생성물로 변환하는 적어도 하나 이상의 스택을 포함하는 고체산화물 수전해셀; 고체산화물 수전해셀에서 배출되는 고온의 반응 생성물을 스팀 공급부에서 고체 산화물 수전해셀로 공급되는 스팀과 열 교환하는 제1 열 교환기; 제1 열 교환기를 통해 열 교환된 반응 생성물을 응축하는 응축기; 응축기를 통해 수증기가 제거된 수소를 저장하는 수소 저장부; 응축기를 통해 수증기가 제거된 수소의 일부를 스팀 공급부에서 고체산화물 수전해셀로 공급되는 스팀에 혼합되도록 재순환하는 수소 재순환 블로어; 고체산화물 수전해셀에서 배출되는 고온의 에어를 에어 공급부에서 고체산화물 수전해셀로 공급되는 에어와 열 교환한 후 배출하는 제2 열 교환기; 고체산화물 수전해셀에서 배출되는 고온의 에어의 일부를 다시 고체산화물 수전해셀에서 유동하는 에어에 공급되도록 재순환하는 에어 재순환 블로어; 배관 어셈블리; 및 제어부; 를 포함한다.

Sistema de celdas electroquímicas con almacenamiento de energía térmica y método relativo

Resumen de: CN120391000A

An electrochemical cell system (100) comprising: an electrochemical cell arrangement (10); a control unit (20) configured to operate the electrochemical cell arrangement (10) only as an electrolytic cell or as a fuel cell; a heating unit (40) located outside the electrochemical cell arrangement (10), the heating unit being thermally coupled to the electrochemical cell arrangement (10) and the heating unit being configured to alternately store heat from the electrochemical cell arrangement (10) to the heating unit (40) and supply heat from the heating unit (40) to the electrochemical cell arrangement (10); and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cell arrangement (10) to the heating unit (40) and from the heating unit (40) to the electrochemical cell arrangement (10).

水电解系统

Resumen de: US2025250687A1

A water electrolysis system includes a flow rate adjusting valve for relatively changing a first flow rate which is a flow rate of water flowing through a first flow path portion extending from a first water lead-out unit, and a second flow rate which is a flow rate of water flowing through a second flow path portion extending from a second water lead-out unit.

ELECTROLYSIS PLANT WITH MUTUALIZATION AND MODULARIZATION FOR HYDROGEN PRODUCTION

Resumen de: WO2025163393A1

A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.

SODIUM FORMATE HYDROGEN EXTRACTION SYSTEM OPERATION AND PRODUCTION OF HYDROGEN AND METHANOL

Resumen de: WO2025165433A2

An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).

CO2 MITIGATION SYSTEM AND METHOD OF USE

Resumen de: WO2025165427A1

Herein discussed is a method of carbon capture comprising providing a reactor having an anode, a cathode, and an electrolyte between and in contact with the anode and the cathode, wherein the electrolyte conducts oxide ions and electrons; introducing a carbonaceous gas to the anode; introducing steam and hydrogen (H2) or carbon dioxide (CO2) and carbon monoxide (CO) to the cathode, wherein steam or CO2 is the dominant component; producing carbon dioxide (CO2) at the anode, wherein the CO2 partial pressure is greater than 18 kPa in the anode exhaust; and producing H2 or CO or both at the cathode. In an embodiment, the anode exhaust has a pressure of from 1 atm to 5 atm. In an embodiment, the CO2 content in the anode exhaust is from 20vol% to 100vol%.

HIGH-EFFICIENCY HYDROGEN PRODUCTION SYSTEM BY DIRECT AIR CAPTURE METHOD USING RENEWABLE ENERGY

Resumen de: WO2025165039A1

The present invention relates to a high-efficiency hydrogen production system by a direct air capture method using renewable energy. According to an embodiment of the present invention, the high-efficiency hydrogen production system comprises: a direct air capture device in which a chemical reaction occurs when an alkaline liquid mixture containing a specific component, such as potassium hydroxide or sodium hydroxide, is brought into contact with air, to capture carbon dioxide from the air; an electrolysis tank into which pure water and the sodium carbonate or potassium carbonate solution generated in the process of the chemical reaction for capturing carbon dioxide in the direct air capture device are introduced and then electrolyzed by using renewable energy including solar or wind power generation energy, to generate a gas containing hydrogen and a liquid containing potassium hydroxide or sodium hydroxide and separate and extract the generated gas and liquid; a gas storage tank in which the gas separated and extracted from the electrolysis tank is stored; and a liquid storage tank in which the remaining liquid after the gas is separated and extracted from the electrolysis tank is stored and potassium hydroxide or sodium hydroxide contained in the liquid is reintroduced into the direct air capture device.

COMPOSITE, HYDROGEN GENERATION CATALYST, CATALYTIC INK, ELECTRODE, AND METHOD FOR PRODUCING COMPOSITE

Nº publicación: WO2025164180A1 07/08/2025

Solicitante:

DIC CORP [JP]
\uFF24\uFF29\uFF23\u682A\u5F0F\u4F1A\u793E

Resumen de: WO2025164180A1

This composite comprises a molybdenum compound and a noble metal. The molybdenum compound is at least one compound selected from the group consisting of molybdenum sulfide and molybdenum carbides, and the noble metal is at least one metal selected from the group consisting of platinum and palladium.