Alerta

INERT GAS INJECTION FOR ELECTROLYSIS

Resumen de: US20260258558A1

0000 A method to generate hydrogen gas comprises circulating an electrolyte through an electrolyte circuit including an electrochemical cell comprising an anode and a cathode, wherein hydroxide ions in the electrolyte are oxidized at the anode to produce oxygen gas and water in the electrolyte is reduced at the cathode to produce hydrogen gas. The method further includes introducing an inert gas into the electrolyte circuit to dilute a gas phase of the electrolyte circuit.

Hydrogen Production Facility Based on High-Temperature Gas and Hydrogen Production method using the same

Resumen de: KR20260133045A

본 발명의 일측면에 따르면, 헬륨과 공급수가 열교환되어 증기가 생성되거나 헬륨과 공기가 열교환되어 가열공기가 생성되도록 내부로 공기, 헬륨 및 공급수가 유입되는 열교환장치; 상기 열교환장치로 유입되는 헬륨을 가열하기 위한 헬륨가열장치; 수소가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제1 캐소드와 가열공기가 유입되는 제1 애노드를 포함하는 고체산화물 수전해 전지스택을 포함하는 수소생성부; 전기가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제2 애노드와 가열공기가 유입되는 제2 캐소드를 포함하는 고체산화물 연료 전지스택을 포함하는 전기생성부; 상기 열교환장치, 상기 헬륨가열장치, 상기 수소생성부 및 상기 전기생성부의 사이에서 헬륨, 공급수, 가열공기, 증기 및 수소가 유동되도록 헬륨, 공급수, 증기, 가열공기 및 수소가 유동되는 통로를 제공하는 플로우채널; 상기 플로우채널에서 가열공기, 헬륨, 공급수, 증기 및 수소의 유동을 조절하기 위해 선택적으로 개폐되는 복수 개의 밸브; 및 복수 개의 제어모드에 기초하여 상기 복수 개의 밸브를 제어하는 제어기를 포함하고, 상기 플로우채널은, 상기 열교환장치와 헬륨가열장치에 연결되고, 외부로부터 공급된 히�

WATER ELECTROLYSIS APPARATUS

Resumen de: WO2026181397A1

A water electrolysis apparatus (100) comprises: a catalyst (52) that is disposed outside an oxygen gas-liquid separator (4) and reduces hydrogen mixed into oxygen; and an oxygen circulation line (6) in which a blower (61) is disposed and which returns oxygen that has passed through the catalyst (52) to the oxygen gas-liquid separator (4).

ELECTRODE MEMBER AND METHOD FOR MANUFACTURING ELECTRODE MEMBER

Resumen de: WO2026181877A1

The present invention provides an electrode member having good durability. An electrode member 1 is formed by laminating a metal substrate 2, a conductive oxide layer 3 having a film thickness of 1 nm or more and less than 200 nm, and a metal layer 4 containing at least 50 wt% of iron in this order. A method for manufacturing an electrode member 1 includes: a step A of forming a conductive oxide layer 3 having a film thickness of 1 nm or more and less than 200 nm on the metal member 2; and a step B of forming a metal layer 4 containing at least 50 wt% of iron on the conductive oxide layer 3. The method forms the electrode member 1 in which the metal substrate 2, and the conductive oxide layer 3, and the metal layer 4 are laminated in this order.

Catalyst for ammonia removal and ammonia-based hydrogen production method using same

Resumen de: KR20240010242A

Provided is a method for producing hydrogen from ammonia, wherein the method for producing hydrogen from ammonia comprises the steps of: decomposing ammonia through an ammonia decomposition reaction to produce hydrogen and nitrogen; removing unreacted ammonia in the ammonia decomposition reaction by a reaction of the following formula (1), NH_3 + 3/4O_2 → 1/2N_2 + 3/2H_2O; and separating hydrogen produced through the ammonia decomposition reaction.

MARINE PLATFORM FOR PRODUCING, STORING, AND TRANSFERRING MARINE GREEN HYDROGEN

Resumen de: EP4799916A2

The present invention relates to an apparatus and method for producing, storing, and transferring hydrogen. According to the present invention, in order to address the problems of conventional systems and methods for producing, storing, and transferring marine green hydrogen, which are configured with a fixed structure in a small-scale offshore wind power generator on a coast or in a shallow sea area with a shallow depth of water, and thus, have low efficiency due to the difficulty in mass production of hydrogen, and a large storage space is occupied when the produced hydrogen is converted into a compressed gas form, and when the produced hydrogen is converted into ammonia, additional energy is required to extract the hydrogen again and there is a risk of environmental pollution and casualty in the event of an outflow accident, provided is a marine platform for producing, storing, and transferring marine green hydrogen, which is configured such that marine green hydrogen is produced through a floating marine structure configured to produce marine green hydrogen using electricity produced using renewable energy from the ocean, and simultaneously, the produced marine green hydrogen is stored, transferred, and offloaded through a single offshore platform (FPSO), thereby being possible to easily construct a large-scale production facility capable of producing, storing, and transferring marine green hydrogen without greenhouse gas emission on the basis of eco-friendly energy.

A PRESSURIZED ALKALINE ELECTROLYSER STACK

Resumen de: EP4800158A1

The various embodiments of the present invention disclose a pressurized alkaline electrolyser stack, comprising: a stack core (100a) comprising a plurality of electrolysis cells (200), wherein each electrolysis cell (200) comprises an anode chamber comprising an anode, a cathode chamber comprising a cathode, a diaphragm (206) separating the anode chamber and the cathode chamber, at least one cell frame (201) and at least one gasket (202). The stack core (100a) is configured to have a first stack core length L₁ and a first gasket stress σ₁ at a first design temperature T₁ and a second stack core length L₂ and a second gasket stress σ₂ at a second design temperature T₂. The first design temperature T₁ is at least 80 degrees Celsius and the second design temperature T₂ is less than 30 degrees Celsius. A stack core length difference dL = L₁-L₂ is between 0 to 20 millimeters, and a gasket stress difference dσ =σ₁-σ₂ is between 0 to 20 MPa.

SYSTEMS AND METHODS FOR TANDEM HYDROGEN PRODUCTION AND CARBON DIOXIDE CAPTURE

Resumen de: WO2025090834A1

Disclosed herein are systems and methods for tandem hydrogen (H2) production and carbon dioxide (CO2) capture. For example, described herein are methods comprising tandem H2 production and CO2 capture and conversion to a carbonate mineral. In some examples, the method is an electrochemical method. In some examples, the method comprises dissolving CO2 in water and applying an electrochemical potential sufficient to drive the H2 evolution reaction, thereby producing H2 and CO3 2-. In some examples, the methods further comprise contacting the CO3 2- with a cation to thereby form an insoluble carbonate compound.

SOLID OXIDE CELL SYSTEM AND GUARD BED REACTOR FOR SILICON REMOVAL THEREFORE

Resumen de: WO2025087865A1

The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.

METHOD OF OPERATING A SOLID OXIDE ELECTROLYSIS CELL STACK AND SYSTEM FOR CARRYING OUT THE METHOD

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.

SOLID OXIDE ELECTROLYSIS CELL AND USE OF SAME

Resumen de: EP4800161A1

Provided is a technique for suppressing occurrence of cracking in a solid electrolyte layer. A solid oxide electrolysis cell includes an air electrode containing a complex oxide having a perovskite structure, a fuel electrode, and a solid electrolyte layer disposed between the air electrode and the fuel electrode. In an interface region of the fuel electrode, which region extends 5 µm from the interface between the fuel electrode and the solid electrolyte layer, the Al content is 1 ppm or greater and 100 ppm or less.

FUEL CRACKER FOR PRODUCING A FUEL WITH STABLE COMBUSTION PROPERTIES FROM AMMONIA

Resumen de: EP4545476A1

Process (2) for the production of an enhanced fuel gas (4) containing at least hydrogen gas from a fuel stream, in particular from an ammonia fuel stream (6). Said process comprises the following steps:- providing the fuel stream (6) (S100);- providing a condensable medium (8), preferably water steam (8), to a cracker unit (10);- at least one step of performing an endothermic cracking reaction of the fuel stream (6) in the cracker unit comprising at least one catalyst suitable for cracking said fuelstream (6), so as to produce an at least partially cracked fuel stream as said enhanced fuel gas (4) (S300); and- condensing at least partially said condensable medium (8) to provide said heat for the endothermic cracking reaction of the fuel stream (6).

IMPROVED ELECTROCHEMICAL DEVICE

Resumen de: WO2025088418A1

Electrochemical device (1), preferably of the electrolyser type for hydrogen production, characterised by comprising: - at least one support frame (2), with a substantially laminar development, which is provided with at least one seat (3) for an electrochemical module (10), said support frame (2) comprising a first face (12') and a second face (12") which are opposite to each other, at least one electrochemical module (10) which is mounted in said at least one seat (3) and which comprises a separation membrane interposed between two electrodes, respectively between an anode and a cathode, at least one bipolar plate (20) for applying/transferring electrical energy to the electrodes of said at least one electrochemical module (10), said bipolar plate (20) comprising a first surface (21') and a second surface (21") which are opposite to each other, said bipolar plate (20) being superimposed on said support frame (2) and being configured so that the first surface (21') of said bipolar plate (20) rests, at least in part, on a first face (12') of said support frame (2).

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

Resumen de: EP4800162A2

The hydrogen production system comprises a solid oxide electrolysis cell (SOEC) that electrolyzes steam, a steam discharge line through which the steam discharged from the hydrogen electrode of the SOEC passes, a main heat exchanger that generates the steam by heating supply water through heat exchange between the supply water and the steam passing through the steam discharge line, a combustor that combusts a part of hydrogen contained in steam discharged from a hydrogen electrode, a superheater that exchanges heat between the steam generated in the main heat exchanger and the combustion gas generated in the combustor, a gas discharge line through which an exhaust gas discharged from an oxygen electrode of the SOEC passes, a steam bleeding line that allows the steam discharge line and the combustor to communicate with each other, and an exhaust gas bleeding line that allows the gas discharge line and the combustor to communicate with each other.

MEMBRANE-ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS CELL, AND WATER ELECTROLYSIS CELL COMPRISING SAME

Resumen de: EP4800156A1

Provided is a membrane-electrode assembly for a water electrolysis cell, including: a polymer electrolyte membrane having an active area and an inactive area surrounding the active area; a hydrogen generation electrode positioned on a first surface of the active area of the polymer electrolyte membrane; an oxygen generation electrode positioned on a second surface of the active area of the polymer electrolyte membrane; a first subgasket disposed on a first surface of the inactive area of the polymer electrolyte membrane and surrounding the hydrogen generation electrode; and a second subgasket disposed on a second surface of the inactive area of the polymer electrolyte membrane and surrounding the oxygen generation electrode, wherein the first subgasket has a first window accommodating the hydrogen generation electrode, and a first water supply path surrounding the first window and exposing the inactive area of the polymer electrolyte membrane.

ELECTRODE PRODUCTION METHOD AND ELECTRODE THEREOF

Resumen de: EP4800782A1

The present invention relates to a method for the preparation of a cathode for alkaline water electrolysis of water particularly useful in the reaction of hydrogen evolution comprising nickel, iron and/or cobalt oxide and a noble metal based on the self-combustion of a precursor mixture deposited or coated on the surface of an electrode carrier. The invention also relates to an electrode obtainable according to said method and to its use as cathode in water electrolysis, in particular in alkaline water electrolysis.

Hydrogen Production Facility and Control System Based on High-Temperature Gas

Resumen de: KR20260132167A

본 발명의 일측면에 따르면, 헬륨과 공급수가 열교환되어 증기가 생성되도록 내부로 헬륨과 공급수가 유입되는 열교환장치; 상기 열교환장치로 유입되는 헬륨을 가열하기 위한 헬륨가열장치; 수소가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제1 캐소드와 제1 애노드를 포함하는 고체산화물 수전해 전지스택를 포함하는 수소생성부; 전기가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제2 애노드와 제2 캐소드를 포함하는 고체산화물 연료 전지스택를 포함하는 전기생성부; 상기 열교환장치, 상기 헬륨가열장치, 상기 수소생성부 및 상기 전기생성부에 연결되어 헬륨, 공급수, 증기 및 수소가 유동되는 통로를 제공하는 플로우채널; 상기 플로우채널에서 헬륨, 공급수, 증기 및 수소의 유동을 조절하기 위해 선택적으로 개폐되는 복수 개의 밸브; 상기 제1 캐소드 및 상기 제2 애노드의 압력을 감지하기 위한 복수 개의 압력센서; 및 복수 개의 압력센서에서 감지된 압력에 기초하여 상기 복수 개의 밸브를 제어하는 제어기를 포함하고, 상기 제어기는 상기 제1 캐소드의 압력이 미리 설정된 제1 캐소드기준압력 이상일 경우, 상기 제1 캐소드로 유입되는 증기가 감소되도록 복수 개의 밸브를 제어하고, �

PLANT AND METHOD FOR CONVERTING CO2 TO METHANOL

Resumen de: EP4800000A1

The invention relates to an methanol plant comprising: a CO₂-rich feed, a hydrogen-rich feed, a boiler feed water stream, a CO₂-electrolysis section arranged to electrolyse at least a portion of the CO₂-rich feed to output a mixed stream, a heat exchange section arranged to heat exchange at least a portion of the first mixed stream so as to output a cooled mixed stream and a steam stream, a methanol synthesis loop arranged to receive at least a portion of the cooled mixed stream and at least a portion of the hydrogen-rich feed and to output a raw methanol stream, a purge gas stream, and a flash gas stream, and a methanol upgrading section, wherein the steam stream is arranged to provide heat energy for one or more components of the methanol upgrading section. At least a portion of the purge gas stream is arranged to be recycled to the CO₂-rich feed, and/or at least a portion of the flash gas stream is arranged to be recycled to at least one of: the mixed stream and the cooled mixed stream. The invention also relates to a method for converting CO₂ to methanol.

Catalyst particles for hydrogen generation method for preparing the same and electrode comprising the same

Resumen de: KR20260132301A

본 발명은 수소발생용 촉매입자, 이의 제조방법, 및 이를 포함하는 전극에 관한 것으로, 보다 구체적으로 내구성 및 전기화학적 특성이 우수한 수소발생용 촉매입자, 이의 제조방법, 및 이를 포함하는 전극에 관한 것이다.

METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A CONTROL UNIT COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM

Resumen de: EP4800157A1

0001 Method of operating an electrolysis system (2) wherein the method comprising the step of: (S100) providing a control signal (S5) to a product valve (18b) on the oxygen-side (V) of the electrolysis system (2) to keep the product valve (18b) open in order to buffer oxygen provided by the electrolysis system (2) in a buffer tank (14b) on the oxygen-side (V) in normal operation of the electrolysis system (2).

REINFORCED COMPOSITE POLYMER ELECTROLYTE MEMBRANE WITH IMPROVED THERMAL AND DIMENSIONAL STABILITY

Resumen de: EP4800057A1

0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.

用于催化性污染治理的氢气还原剂

Resumen de: US2020032688A1

0001 Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carbon monoxide and/or hydrocarbons and/or nitrogen oxides. The introduction of hydrogen may be intermittent and/or during a cold-start period.

一种碱土金属阳离子掺杂二氧化钌催化剂的制备及应用

Resumen de: CN122669412A

0001 本发明公开了一种碱土金属阳离子掺杂二氧化钌电催化剂及其制备方法和应用，属于电解水制氢技术领域。所述催化剂具有片状结构，通过溶胶‑凝胶法将碱土金属离子(如Ca<2+>、Mg<2+>等)均匀掺杂于RuO<2>晶格中，形成原子级混合的固溶体。其制备方法包括：将钌盐、碱土金属盐和螯合剂(如一水柠檬酸)溶于水，调节pH后经油浴溶胶化、静置凝胶化、干燥和空气气氛退火处理。本发明催化剂在酸性析氧反应中展现出优异的催化活性(10mA cm<‑2>过电位低至175mV)和长期稳定性(＞2000h)，有效解决了传统钌基催化剂易溶解失活、贵金属用量高的问题，可用于质子交换膜电解水制氢的阳极催化剂。

一种制氢系统和电解槽压紧力调节方法

Resumen de: CN122669406A

本发明公开了一种制氢系统和电解槽压紧力调节方法，属于电解制氢设备控制技术领域，其中制氢系统包括电解槽与压紧力调节装置，电解槽含相对设置的两块压紧端板及堆叠于其间的电解单元组，至少一块端板外侧布设传感器阵列，压紧力调节装置包含控制器与多组独立执行机构，对应作用于端板各分区。本发明通过分区分布式感知架构，结合压力映射与温度补偿模型获取区域真实压紧力，基于区域空间距离与实时温差构建双耦合解耦机制修正压力偏差，驱动执行机构分区独立调控，实现端板压紧力高精度闭环控制，解决高温测量失真、刚性端板应力耦合问题，提升密封可靠性与压紧力长期稳定性，延长保压周期并降低运维成本。

一种具有水碱一体化循环模块的高盐废水电解制氢系统及其运行方法

Nº publicación: CN122669400A 01/09/2026

Solicitante:

兖矿能源集团股份有限公司山东华聚能源股份有限公司

Resumen de: CN122669400A

本发明属于电解水制氢技术领域，公开一种具有水碱一体化循环模块的高盐废水电解制氢系统，水碱一体化循环模块包括：水碱一体罐（2）、碱液进料泵（3）、碱液进液管路（4）、补水泵（5）、补水管路（6）、废碱液输送泵（7）、退碱管线（8）、电解液循环泵（9）、电解液循环回路（10）。工艺为开车阶段向一体罐内加入高盐废水及碱性溶质，配制完成后将电解液输送至电解系统；运行阶段通过向罐体补充高盐废水并由其输送至系统，实现在线补水功能；退碱/换碱阶段将罐体内高盐废水排空后，用于接收电解系统排出的废旧电解液，实现碱液回收功能。相对于现有高盐废水箱和碱液箱单独设置的高盐废水电解水制氢系统，本发明水碱一体化循环系统节约了系统占地与装备投入。