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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.

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.

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.

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.

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).

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).

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.

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.

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.

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.

固体氧化物型水电解用不锈钢钢材

Resumen de: WO2025216105A1

Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.

基于ORC余热回收的碱性水电解制氢温控方法及系统

Resumen de: CN122669435A

0001 本申请公开了一种基于ORC余热回收的碱性水电解制氢温控方法及系统，所述方法包括：根据多个电解槽的负荷分布状态确定温控策略，基于所述温控策略确定各电解槽碱液的入口温度；将多个电解槽输出的碱液汇集后送入有机朗肯循环单元的热侧进行换热将热能转换为电能，基于电解槽入口温度、出口温度与运行电流的热平衡对应关系调节所述有机朗肯循环单元的换热强度；将换热降温后的碱液经循环泵分配至各电解槽入口。本申请在多槽碱性水电解制氢系统适配变负荷运行的需求下，既可以高效回收碱液余热提升能源利用效率，又能够根据多槽负荷分布匹配温控策略，保障系统运行效率与安全性。

一种手性α-Ni(OH)2NWs薄膜及其制备方法与其在析氢反应中的应用

Resumen de: CN122665603A

本发明涉及一种手性α‑Ni(OH)2 NWs薄膜及其制备方法与其在析氢反应中的应用。本发明所得薄膜在超声振动作用下表现出显著增强的压电催化析氢性能。圆偏振光（CPL）与手性薄膜的协同作用进一步提升了析氢反应速率，达到了23.70 mmol·g‑1·h‑1，为非手性有序膜的3.78倍。钴元素的掺杂有效调控了电子结构，进一步提升了催化性能。本发明为构建自旋相关的催化平台提供了新策略，并为多场驱动能源转化开辟了新路径。

一种氯重构钌单原子海水析氢电极及其制备方法和应用

Resumen de: CN122669424A

0001 本发明公开了一种氯重构钌单原子海水析氢电极及其制备方法和应用，属于电催化海水制氢与能源转化技术领域。本发明对泡沫镍预活化，然后在混合反应体系中进行水热反应，使镍基氢氧化物原位生长并限域锚定钌单原子位点；将电极置于海水中进行原位电化学活化，使氯离子参与钌单原子位点的局域配位重构，形成包含Ru‑Cl配位特征的工作态活性中心。结果表明，本发明产品活性中心不同于不含氯体系中的Ru‑O(H)/RuOx表面物种。所得电极在含氯碱性海水中表现出优于不含氯碱性电解液的析氢活性、界面电荷转移动力学和长期稳定性。

一种基于能量分级利用的集成式氨裂解制氢反应器及其控制方法

Resumen de: CN122665567A

0001 本发明公开了一种基于能量分级利用的集成式氨裂解制氢反应器及其控制方法，涉及氨裂解制氢技术领域，包括反应器本体，高效紧凑氨氢换热单元集成设置于反应器本体内部，并形成供待裂解氨气流通的冷侧换热通道和供裂解气流通的热侧换热通道，用于利用裂解气携带的余热对待裂解氨气进行一级预热，碳化硅电加热层设置于冷侧换热通道的输出侧，用于承接完成一级预热的氨气。本发明通过将氨氢换热、碳化硅二级预热和催化裂解集成于反应器本体内部，使高温裂解气的余热能够就近用于待裂解氨气的一级预热，并由碳化硅电加热层对一级预热后的氨气进一步补热，使氨气在进入反应管组件前获得较为连续的升温过程。

煤化工生产系统及其控制方法与控制装置

Resumen de: CN122668776A

本申请涉及煤化工技术领域，具体公开一种煤化工生产系统及其控制方法与控制装置。该煤化工生产系统包括电解水装置、空分装置、硫回收装置、泵阀组件及控制装置。电解水装置用于电解水制取氧气；空分装置用于分离空气的各组分制取氧气；硫回收装置与电解水装置和空分装置分别连通；泵阀组件包括第一泵阀，第一泵阀安装于硫回收装置和空分装置之间的连接管路上；控制装置与硫回收装置、电解水装置以及第一泵阀分别连接，控制装置能够获取自电解水装置流向硫回收装置的氧气的氧气信号，并根据氧气信号控制第一泵阀。该煤化工生产系统在保证硫回收装置的正常工作的前提下，充分利用电解水装置所制取的氧气，降低了煤化工生产系统的使用成本。

多孔质碳片和水电解装置

Resumen de: WO2025182758A1

The purpose of the present invention is to provide a low-cost porous carbon sheet that has a high compression deformation rate when constituting a water electrolysis cell, does not have the problems of penetration and short-circuiting, and has excellent electrical conductivity. The porous carbon sheet is a sheet-shaped structure having a porous structure in which carbon fibers are bound by a binder. The porous carbon sheet has a thickness d0 under a pressure of 0.15 MPa of 1.8-3.0 mm, a thickness d1 under a pressure of 1.0 MPa of 85% or more of the thickness d0 under the pressure of 0.15 MPa, and a thickness d2 under a pressure of 4.5 MPa of 75% or less of the thickness d0 under the pressure of 0.15 MPa.

一种可快速拆卸、检修和调整规模的电解槽工艺架构和工艺系统

Resumen de: CN122669405A

0001 本发明提供一种可快速拆卸、检修和调整规模的电解槽工艺架构和工艺系统，涉及水电解制氢技术领域。本发明所提供的电解槽工艺架构包括：承压腔体和第一滑轨，承压腔体包括相互之间可拆卸连接的固定部和移动部，固定部固定设置，移动部与第一滑轨之间滑动连接；承压腔体的内部设有电解槽基座，移动部的内部设有第二滑轨，电解槽基座的一端与固定部的内壁固定连接，电解槽基座与第二滑轨之间滑动连接；电解槽基座用于安装电解槽单元。本发明中承压腔体内部的压力与电解槽单元内部的压力几近保持一致，承压腔体与电解槽单元之间的压差几乎为零，极大降低了电解槽单元小室的设计压力，同时也减少了电解液、氢气、氧气的泄漏风险。

一种仿生柔性光催化膜及其海水制氢智能应用系统

Resumen de: CN122665645A

本发明涉及一种仿生柔性光催化膜及其海水制氢智能应用系统，属于光催化材料、新能源与海洋资源利用交叉技术领域。针对海水制氢中催化剂活性与稳定性难以兼顾、氯离子竞争性氧化导致副产物等问题，本发明提出一种S‑g‑C3N4/ZnIn2S4@PVDF‑HFP仿生柔性光催化膜。该膜通过S‑g‑C3N4和ZnIn2S4构建II型异质结，实现可见光高效响应与载流子高效分离；PVDF‑HFP基底赋予膜材料疏水性、耐腐蚀性与机械强度，有效抑制盐离子沉积与生物附着；引入三乙醇胺作为空穴牺牲剂，抑制氯离子竞争性氧化。本发明的柔性膜可直接漂浮或固定于海水表面进行光照反应，无需额外回收步骤，实现了高效、稳定、安全的海水光催化制氢，为太阳能驱动海水制氢技术的实际应用提供了可行方案。此外，设计了一种仿生柔性光催化膜海水制氢智能应用系统，包括仿生柔性光催化膜、牺牲剂、模拟海水反应液、光源系统、气体收集与在线检测单元以及循环流动模拟装置。所述系统可实现实时监测产氢速率与系统参数，通过调节光照强度、液流速度或牺牲剂浓度实现制氢过程的智能调控。

湿态多孔催化复合装置及碱性水电解制氢系统

Resumen de: CN122665477A

本申请公开了一种湿态多孔催化复合装置及碱性水电解制氢系统，装置包括壳体、多孔催化芯体以及氢反应结构；多孔催化芯体内部形成多个孔道；氢反应结构包括设置于所述多孔催化芯体中对应所述孔道的孔内表面上的催化活性结构以及设置于所述催化活性结构上的复合结构；复合结构具有亲水层和疏水层，壳体的入口输入的气液混合物经过所述孔道流动至所述壳体的出口，复合结构的亲水层吸附气液混合物中的碱液形成液膜以使碱液中的氢气脱离，复合结构的疏水层排斥气液混合物中的碱液形成气体通道，所述催化活性组分用于催化所述气液混合物中的氢气与氧气发生反应生成水。本申请有效降低氧中氢含量，同时维持合理的通流阻力。

一种水电解制氢过程多参数分析设备

Nº publicación: CN122669437A 01/09/2026

Solicitante:

陕西正太能源科技有限公司

Resumen de: CN122669437A

本发明提供一种水电解制氢过程多参数分析设备，涉及水电解制氢技术领域，包括测量观察筒，所述测量观察筒下方设有进气口，所述测量观察筒内设有测量探头，所述测量探头下方设有气流缓冲板，所述气流缓冲板内设有冷凝装置，所述气流缓冲板下方设有环形排液盒，所述环形排液盒上开设有出水孔，所述测量观察筒内侧壁上固定安装有对冲出气口，本发明中，通过设有气流缓冲板内的冷凝装置、环形排液盒、浮板、密封塞、液体转运盒、排液管道及收集筒，可先借助冷凝装置分离气体中的水汽，分离后的水珠沿气流缓冲板滑落至环形排液盒；当盒内液体达指定液面时，浮板带动密封塞上升打开出水孔，液体进入液体转运盒，再经排液管道输送至收集筒。