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고체 산화물 전해 전지 스택의 작동 방법 및 방법을 수행하기 위한 시스템

Resumen de: WO2025087866A1

The invention relates to a method of operating a solid oxide electrolysis cell (SOEC) stack for producing hydrogen, and a system for carrying out the method, said SOEC stack comprising at least one solid oxide electrolysis cell (SOEC), said at least one SOEC comprising an electrolyte layer interposed between a fuel-side and an oxy-side, the method comprising transient operation, in which the transient operation comprises: - operating the SOEC stack under open-circuit voltage (OCV); - providing a feed gas comprising ammonia; - supplying at least a portion of said feed gas comprising ammonia to a guard bed reactor, said guard bed reactor comprising a catalyst active in the cracking of ammonia to nitrogen and hydrogen; and withdrawing from said guard bed reactor a forming gas comprising nitrogen and hydrogen; - supplying at least a portion of the forming gas comprising nitrogen and hydrogen to the fuel-side of the at least one of the solid oxide electrolysis cells (SOECs) of the SOEC stack; and withdrawing from said at least one of the SOECs of the SOEC stack, a first fuel-side exit gas.

CATALYST FOR SEAWATER ELECTROLYSIS, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026123413A1

The present invention relates to the technical field of water electrolysis. Disclosed are a catalyst for seawater electrolysis, and a preparation method therefor and a use thereof. A MOFs-based electrocatalyst having excellent chloride ion corrosion resistance, stability and high controllability is synthesized by means of sulfuration treatment, and is used for an OER reaction of seawater electrolysis. The catalyst has excellent structural stability, chlorine corrosion resistance, more surface active sites, and high catalytic activity. Upon an electrochemical test of the catalyst, only Ni3S4 is restructured to form S-O anions, while NiFe-MOF does not undergo significant oxidation and structural changes, indicating that the NiFe-MOF has good structural stability. In addition, the S-O anions are preferentially adsorbed onto Fe3+ at a heterogeneous interface, thereby modulating the electronic structure of nearby Ni2+, and thus optimizing the adsorption and desorption ability of Ni2+ toward OER reaction intermediates.

ELECTRODE FOR ENHANCING MASS TRANSFER, AND USE OF ELECTRODE

Resumen de: WO2026123438A1

An electrode for enhancing mass transfer, and a use of the electrode. The electrode consists of a diamond-shaped nickel mesh layer (1), a nickel foam layer (2), and a nickel wire mesh layer (3) which are sequentially arranged. The electrode for enhancing mass transfer is applied to a reactor containing an ion exchange membrane, and the electrode for enhancing mass transfer is disposed between an integrated membrane electrode and an anode end plate; and the nickel wire mesh layer (3) is in contact with the integrated membrane electrode, and the diamond-shaped nickel mesh layer (1) is in contact with the anode end plate. The electrode can enhance a mass transfer effect in a liquid-phase dilute substance electrolysis process, improve substrate conversion rate, improve product yield and Faradaic efficiency, and reduce energy consumption in water electrolysis for hydrogen production coupled with organics oxidation.

ALUMINUM RECYCLING METHOD FOR METALLIC ALUMINUM ENERGY STORAGE AND HYDROGEN PRODUCTION

Resumen de: WO2026123685A1

Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.

ELECTROLYZER, USE, OPERATION AND A METHOD OF PRODUCTION THEREOF

Resumen de: AU2024389236A1

An electrolyzer stack (17) wherein each of the electrode compartments (5, 6) is delimited by the ion-transporting separator (15) and a bipolar plate (14) as well as a gasket (25) that is surrounding the electrode compartments (5, 6). An electrolyte manifold (27) extends along the stack (17) and through an opening (20) in each of the bipolar plates (14). The electrolyte manifold (27) is formed by multiple serially connected flow restrictors (28), of which one flow restrictor (28) is provided per cell (1) and inserted between neighbouring gaskets (25) and comprises a flow canal (30) having a canal inlet (30 A) and a canal outlet (30B), wherein the canal inlet (30 A) is provided in the throughput opening and fluid-flow connected to the electrolyte manifold (27) and the canal outlet (30B) is fluid-flow connected to one of the cells (1) for supply of electrolyte from the electrolyte manifold (27) to the respective cell (1). The canal is narrow and long for reducing shunt currents and for providing a pressure drop larger, for example at least 10 times higher, than a pressure drop along the electrolyte manifold (27).

BIPOLAR PLATE, FUEL CELL SYSTEM AND ELECTROLYZER

Resumen de: US20260171434A1

The present invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises: a plurality of channels (101) for guiding operating media of the energy converter (200, 300),a plurality of supply openings (103) for supplying the plurality of channels (101) with operating media,a plurality of distribution channels (105) for distributing operating media to the plurality of channels (101), wherein respective distribution channels (105) of the plurality of distribution channels (105) extend between respective supply openings (103) of the plurality of supply openings (103) and respective channels (101) of the plurality of channels (101), and wherein respective supply openings (103) of the plurality of supply openings (103) have, on a distribution channel side which faces respective distribution channels (105) of the plurality of distribution channels (105), a curved edge region, at least in some regions.

Systems for Generating Hydrogen

Resumen de: AU2026204236A1

A system (1) for generating hydrogen gas comprises a reaction vessel (101) containing an aqueous solution (102) and a cathode (105) and an anode (107) each positioned at least partly in the reaction vessel (101). The system (1) comprises first and second ultrasonic transducers (215-220) which emit ultrasonic waves in the direction of the cathode (105) and the anode (107) respectively. Each ultrasonic transducer (215-220) is driven by a respective transducer driver (202) to optimise the operation of the system (1) for generating hydrogen gas by sonoelectrolysis. un u n

POSITIVE ELECTRODE FOR ELECTROLYSIS AND METHOD FOR PRODUCING SAME

Resumen de: US20260171475A1

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 LixNiyCozO4 (0.05≤x≤1.0, 1.0≤y≤2.0, 1.0≤z≤2.0, and x+y+z=2 to 3).

CATALYTIC COATING

Resumen de: AU2024395036A1

The invention concerns a method of electrolysing water using an electrolyser comprising an anode; a cathode and optionally a separator; wherein at least one of the cathode and the separator comprises a substrate and a coating, and the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% of one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B.

Distributed Hydrogen Energy System and Method

Resumen de: US20260168622A1

0000 A distributed hydrogen energy system adds onto existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a stationary pressure vessel. The stored hydrogen gas can be used directly within the local renewable energy microgrid wherein the stored hydrogen gas is converted to energy through use of one or more fuel cells or can be used in the context of a distributed energy system wherein the stored hydrogen gas is shared as part of a larger distribution network via pipeline or via one or more portable pressure vessels.

COMPOSITE CATALYST FOR AMMONIA DECOMPOSITION AND HYDROGEN PRODUCTION AND METHOD FOR PRODUCING THE SAME

Resumen de: US20260166526A1

One embodiment of the present invention provides a metal composite catalyst for ammonia decomposition and hydrogen production, comprising: a composite metal oxide support; and metal nanoparticles dispersed on a surface or inside pores of the composite metal oxide; wherein the composite metal oxide support is derived from a layered double hydroxide comprising nickel and at least two types of metals different from nickel, the metal nanoparticles are reduced from the composite metal oxide support, and a weight content of nickel metal, measured by ICP analysis, is 45 wt % or more.

SYSTEMS AND METHODS FOR HARNESSING THERMAL GRADIENT ENERGY

Resumen de: WO2026128841A2

A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.

KILOWATT-SCALE REACTION DEVICE FOR WATER-ELECTROLYSIS-BASED HYDROGEN PRODUCTION COUPLED WITH OXIDATION

Resumen de: WO2026123439A1

A kilowatt-scale reaction device for water-electrolysis-based hydrogen production coupled with oxidation, comprising a power supply system, a reactor system, a raw material supply system, a cooling system, and a gas detection system. The reactor system comprises integrated condensation reactors (2) connected to each other and a static mixer (3). The raw material supply system comprises raw material tanks (4). The raw material tanks (4) are communicated with the static mixer (3). The cooling system comprises a mixer cold trap (8) and a reactor cold trap (9). The mixer cold trap (8) is communicated with the static mixer (3). The reactor cold trap (9) is communicated with the integrated condensation reactors (2). A reaction system operates safely and stably, enabling co-production of high-purity hydrogen at a cathode while achieving electrocatalytic oxidation of various biomass molecules, thereby expanding the reaction scale.

Elektrolyseur

Resumen de: DE102024212108A1

Die Erfindung betrifft einen Elektrolyseur (1) mit einem Stapel (2), einem Sauerstoffgassystem (8), das fluidleitend mit anodenseitigen Bereichen verbunden ist, einem Wasserstoffgassystem (9), das fluidleitend mit kathodenseitigen Bereichen verbunden ist, einem Sauerstoffreservoir (14), einer ersten Sauerstoffverbindungsleitung (16), die das Sauerstoffgassystem (8) fluidleitend mit dem Sauerstoffreservoir (14) verbindet, einem sauerstoffseitigen Absperrorgan (10), das in der ersten Sauerstoffverbindungsleitung (16) angeordnet ist sowie einen Geschlossenzustand und einen Offenzustand hat, einem Wasserstoffreservoir (15), einer ersten Wasserstoffverbindungsleitung (17), die das Wasserstoffgassystem (9) fluidleitend mit dem Wasserstoffreservoir (15) verbindet, einem wasserstoffseitigen Absperrorgan (11), das in der ersten Wasserstoffverbindungsleitung (17) angeordnet ist sowie einen Geschlossenzustand und einen Offenzustand hat, und einem Steuergerät (3), das eingerichtet ist, bei einem Überschreiten eines Schwellenwerts eines Differenzdrucks zwischen einem anodenseitigen Gas und einem kathodenseitigen Gas das sauerstoffseitige Absperrorgan (10) und das wasserstoffseitige Absperrorgan (11) gleichzeitig von dem Geschlossenzustand in den Offenzustand zu bringen.

Method for purifying hydrogen to high purity in electrolysis system

Resumen de: KR20260090770A

본 발명은 수전해 시스템에서 수소를 고순도로 정제하기 위한 방법에 관한 것이다. 보다 구체적으로는 수전해 시스템에서 생성된 수소를 고순도로 정제하기 위해 PSA(압력 변동 흡착)와 TSA(온도 변동 흡착) 공정을 결합하고, 복수의 온도 변동 흡착 유닛(TSA Unit)을 교번적으로 동작함으로써, 수소에 포함된 미량의 불순물(산소, 수분 등)을 단계별로 제거하여 고순도의 수소로 정제하는 방법에 관한 것이다.

Method for manufacturing an electrode for the production of hydrogen and other chemical species, the electrode obtained using the same method, and its use (Machine-translation by Google Translate, not legally binding)

Resumen de: ES3070799A1

Method for manufacturing an electrode for the production of hydrogen and other chemical species, electrode obtained therefrom, and its use. The present invention discloses a method for manufacturing an electrode for hydrogen production in which an electrochemical cell is formed from sheets of porous material that have at least their surface coated with nickel. Between 5 g/m2 and 400 g/m2 of magnetite are electrochemically deposited onto the electrode for a period of between 2 and 60 minutes. The magnetite coating has a rough surface with discontinuous nanoscale surface structures and protruding elements ranging from 10 to 2000 nm. The present invention also relates to the electrode obtained by the proposed method and its use in the production of hydrogen by alkaline electrolysis, such that it is produced at a high current density and high efficiency. (Machine-translation by Google Translate, not legally binding)

低温高効率アンモニアクラッキング反応用触媒、その製造方法及びそれを用いた水素製造方法

Resumen de: KR20250001082A

The present invention relates to a ruthenium-based ammonia cracking catalyst and specifically, relates to an ammonia cracking catalyst in which ruthenium, which is an active metal, and potassium, which is an auxiliary metal, are on a yttria-stabilized zirconia support body containing lanthanum, and a manufacturing method thereof, wherein the ammonia cracking catalyst according to the present invention adjusts a ratio of ruthenium/potassium together with the lanthanum-containing yttria-stabilized zirconia-alumina support body even when a low content of ruthenium metal is used, minimizes the content of chlorine and nitrogen compounds, which are impurities within the catalyst, and designates a position of the active metal within the catalyst, thereby achieving a very high ammonia conversion rate and hydrogen production efficiency even at low temperatures compared to a catalyst having the same ruthenium metal content.

IRIDIUM OXIDE AND METHOD FOR PRODUCING SAME, AND MEMBRANE ELECTRODE ASSEMBLY FOR PROTON EXCHANGE MEMBRANE-TYPE WATER ELECTROLYSIS VESSEL AND PROTON EXCHANGE MEMBRANE-TYPE WATER ELECTROLYSIS VESSEL USING IRIDIUM OXIDE

Resumen de: EP4759970A1

Object To provide iridium oxide suitable for proton exchange membrane-type water electrolysis, the iridium oxide having high initial activity and being excellent in stability during a long-term operation.Solution Provided is iridium oxide having a rutile structure, the iridium oxide being characterized by having: a crystallite size of 2.0 nm to 4.0 nm as calculated from a peak of a (110) plane of the rutile-structured iridium oxide determined by X-ray diffraction; and a BET specific surface area, measured by nitrogen adsorption measurement, of 70 m²/g to 120 m²/g.

전기화학 셀

Resumen de: WO2025081243A1

Disclosed herein is an electrochemical cell comprising a porous tubular support adapted to conduct electricity, a bore of the support defining an inner channel configured to receive a flow of a first fluid therethrough; a tubular outer electrode; an electrolyte comprising a porous membrane, the porous membrane separating the porous tubular support and the tubular outer electrode; current collectors for enabling an electrical current to flow through the cell; and a housing for the electrochemical cell, a space between the housing and the tubular outer electrode defining an outer channel configured to receive a flow of a second fluid therethrough.

MEMBRANE-ELECTRODE ASSEMBLY FOR A WATER ELECTROLYSER

Resumen de: WO2025037092A1

A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.

Oxygen evolution reaction catalyst and method for its preparation

Resumen de: GB2702505A

A process for preparing a catalyst, as well as a catalyst, the catalyst comprising an oxygen evolution reaction electrocatalyst OER, a hydrogen oxidation reaction HOR electrocatalyst, and a particulate solid support are described. The OER electrocatalyst and the HOR catalyst are both supported on the particulate solid support. The OER is deposited from an aqueous mixture comprising a particulate solid support and a halide free metalate which comprises iridium and/or ruthenium. The pH of the mixture is reduced to ≤7 to precipitate the oxygenated metal into the solid particulate support. In the process, the OER electrocatalyst is deposited before the HOR electrocatalyst. The catalyst may be incorporated into a catalyst coated membrane (CCM) and used in a fuel cell. Figure 1a

ELECTRODE PLATE OF ELECTROLYSIS DEVICE, AND ELECTROLYSIS DEVICE USING SAME

Resumen de: EP4759969A1

The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product. In the present invention, on a basis of maintaining good mechanical support and sealing function, material and process costs of the electrode plate of the electrolysis apparatus are significantly reduced, an overpotential of the electrochemical reaction for producing the reaction product is reduced, and an electrolysis reaction rate per unit area in the electrolysis apparatus is increased. Therefore, an operating voltage is effectively reduced at a same electrochemical reaction rate, and energy conversion efficiency of the electrochemical reaction is finally significantly improved.

OFFSHORE PLATFORM ALLOWING CARBON NEUTRAL FUEL TO BE PRODUCED, STORED AND SUPPLIED, OVERCOMING INTERMITTENTCY OF RENEWABLE ENERGY

Resumen de: EP4759698A1

The present invention relates to an offshore platform allowing carbon neutral fuel to be produced, stored and supplied, overcoming intermittency of renewable energy, the offshore platform comprising: a main body located offshore; a hydrogen production unit, disposed in the main body, for producing hydrogen via sea water electrolysis using a water electrolysis device and storing the hydrogen; an ammonia production unit, disposed in the main body, for synthesizing, via a first synthesis device, the hydrogen flowing in from the hydrogen production unit with nitrogen in the air to produce ammonia and storing same; a carbon dioxide storage unit, disposed in the main body, for storing carbon dioxide flowing in from the ship; and a methanol production unit, disposed in the main body, for synthesizing, by means of a second synthesis device, the carbon dioxide flowing in from the carbon dioxide storage unit and hydrogen flowing in from the hydrogen production unit to produce methanol and storing same.

用于SO2去极化电解制氢的电解液、SO2去极化电解制氢方法及装置

Resumen de: CN122214878A

0001 本申请涉及电解制氢领域，公开了一种用于SO<2>去极化电解制氢的电解液、SO<2>去极化电解制氢方法及SO<2>去极化电解制氢装置。该用于SO<2>去极化电解制氢的电解液包括电解液基液和催化剂，所述催化剂分散在所述电解液基液中。本申请中的电解液中分散有催化剂，能够保证反应物与催化剂的充分接触，使用本申请中的电解液进行SO<2>去极化电解制氢有助于提高电解制氢效率，同时催化剂容易回收。

一种质子导体固体氧化物电解池及二氧化碳辅助电解水的方法

Nº publicación: CN122214905A 16/06/2026

Solicitante:

北京理工大学

Resumen de: CN122214905A

0001 本发明涉及二氧化碳辅助电解水技术领域，尤其涉及一种质子导体固体氧化物电解池及二氧化碳辅助电解水的方法。本发明提供了一种质子导体固体氧化物电解池，沿厚度方向，包括依次层叠设置的燃料电极支撑层、质子导体电解质层和空气电极层；所述燃料电极支撑层为多孔结构，且所述多孔结构在沿厚度方向上为贯通的树枝状孔道结构。所述质子导体固体氧化物电解质可以在电解水的过程中实现CO<2>的有效参与与稳定运行。