Resumen de: WO2026182019A1
The present invention provides an electrolytic hydrogen supply device to be attached to at least one side of goggles. A hydrogen supply device according to the present invention comprises: an electrolytic cell in which a pair of positive and negative electrodes are disposed in the vertical direction and which is capable of storing electrolytic water; and an electrolytic cell receiving section which has a recess that opens from the bottom toward the outside of the side of the goggles, and which is configured to insert and fix the electrolytic cell in the recess from the outside toward the inside to the bottom. The electrolytic cell has a pair of front and rear sealing members in the inward and outward directions for sealing the inner wall of the electrolytic cell receiving section and the outer wall of the electrolytic cell, and has, above the electrolytic cell, a reserve tank space formed in a gap between the outer wall of the electrolytic cell and the inner wall of the electrolytic cell receiving section between the front and rear sealing members, and a first gas film that allows a gas containing hydrogen and water vapor in the electrolytic cell to pass through and be released into the reserve tank space.
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.
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).
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).
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.
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.
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.
Resumen de: EP4800057A1
0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.
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.
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.
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, �
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.
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.
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.
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.
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).
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.
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.
Resumen de: CN122667649A
本发明属于电催化技术领域,具体涉及一种金属元素掺杂氧化钌及其制备方法与应用。制备方法包括以下步骤:将可溶性钌源、可溶性金属盐、盐模板、柠檬酸、葡萄糖和尿素加入水中混匀,制得前驱体溶液;盐模板由NaCl和LiCl组成;将前驱体溶液中的水蒸发去除,制得干凝胶;将干凝胶进行加热氧化处理,随后冷却至室温,制得产物粉末;将产物粉末分别进行酸洗处理、离心分离、去离子水洗涤和干燥处理,即得金属元素掺杂氧化钌。本发明借助异质元素掺杂调控材料微观结构与电子组态,有效提升催化剂酸性析氧催化活性与服役稳定性,完善质子交换膜水电解阳极催化材料体系,拓宽阳极催化剂选材空间。
Resumen de: CN122669399A
0001 本发明涉及质子交换膜水电解技术领域,具体涉及一种管式PEM电解单元,包括:呈管式且由外向内依次设置的外导电构件、膜电极组件和内导电构件;在外导电构件和内导电构件之间还设有管式的弹性径向加载组件;所述弹性径向加载组件用于对膜电极组件产生径向接触压力;弹性径向加载组件由具备流体通道的导电材料制成;在膜电极组件发生溶胀所对应的径向位移区间内,弹性径向加载组件的压强变化率小于等于预设压强变化率上限。该技术方案,弹性径向加载组件能独立控制径向压力,且膜溶胀过程中压强变化率受到限制,从而保持接触电阻稳定。
Resumen de: CN122669410A
0001 本申请公开一种泡沫铜负载镍‑钴‑钼的自支撑微纳结构电极及其制备方法与应用,属于电解水制氢领域。制备方法包括如下步骤:(1)将泡沫铜进行处理得到预处理后的泡沫铜;(2)将预处理后的泡沫铜构建微纳结构,得到第一改性泡沫铜;(3)以第一改性泡沫铜为阴极,以纯Ni板为阳极,采用恒流电沉积法制备第二改性泡沫铜;(4)制备镍‑钴‑钼三元前驱液;(5)将第二改性泡沫铜加入镍‑钴‑钼三元前驱液中水热反应,得到电极前驱体;(6)电极前驱体煅烧退火,得到自支撑微纳结构电极。以泡沫铜为基底构建微纳结构,通过原位液相沉积金属镍实现泡沫铜改性,提高导电性与晶格适配性,在第二改性泡沫铜表面生长镍‑钼‑钴多元复合催化活性层。
Resumen de: CN122676954A
本发明涉及一种基于温度闭环反馈的碱性水电解槽氧中氢含量动态仿真方法,其包括:根据碱性水电解槽极化特性,将碱性水电解槽总电压进行分解;并输入电流密度及电解槽内部温度,计算并输出电解槽总电压;根据碱性水电解槽热力学特性,建立耦合计算函数,输入电流密度、输出的总电压及电解槽内部温度,计算并输出电解槽产热速率;根据碱性水电解槽热传递特性,将散热项拆分为三个分项,输入电流密度、给定的入口温度及输出的产热速率,通过热平衡方程计算并输出电解槽内部温度,并将当前的电解槽内部温度分别反馈,作为下一个循环周期的参数输入,形成温度闭环反馈,选择运行模式;运行模式为稳态模式、冷启动模式或动态负载模式中的一种。
Resumen de: CN122665635A
本发明公开了一种生物质基碳量子点修饰氮化碳负载钴肖特基结光热催化剂及其制备方法与应用,其制备方法包括:利用废弃咖啡渣通过水热法制备碳量子点;利用三聚氰胺通过热聚合制备g‑C3N4;以碳量子点和g‑C3N4为原料,利用水热法制备CQDs@g‑C3N4复合材料;通过液相还原法制备Co/CQDs@g‑C3N4肖特基结光热催化剂。本发明通过将废弃咖啡渣经水热法制备的生物质碳量子点与g‑C3N4复合,对氮化碳的能带结构和电子传输路径进行调控,有效抑制了光生载流子的复合,提高了量子效率;同时借助金属钴与g‑C3N4形成了具有内建电场的肖特基结,进一步促进电荷定向分离与迁移,并协同等离子体金属增效,使得该光热催化剂在光热协同催化硼氢化钠水解产氢方面有着良好的催化性能。
Resumen de: CN122667700A
本申请涉及一种富氢水制备设备及其控制方法,其中富氢水制备设备包括水箱、第一隔板、第二隔板、导气柱、制氢模块、第一电磁阀以及控制器;第一隔板和第二隔板分别设置于水箱中不同高度位置,第一隔板和第二隔板将水箱分割为相对独立的上层水箱、中层水箱以及下层水箱;第一电磁阀设置于第一隔板;制氢模块设置于下层水箱,导气柱用于将制氢模块生成的氢气导入至上层水箱中;控制器获取下层水箱水温,若下层水箱水温大于预设电解氢发生最佳温度范围的上限值,则控制第一电磁阀开启,以使中层水箱中的水流入至下层水箱,降低下层水箱水温至预设电解氢发生最佳温度范围。整个方案可以实现高效的富氢水制备。
Nº publicación: CN122669422A 01/09/2026
Solicitante:
哈尔滨理工大学
Resumen de: CN122669422A
本发明涉及电催化析氢领域一种基于NiO自牺牲模板的钼镍碲化物的制备及电催化应用。本发明目的是解决现有技术中贵金属析氢催化剂价格昂贵、碱性析氢反应动力学缓慢、单相碲化物活性位点不足以及电子传输和界面协同效应有限的问题。本专利设计与研制了一种基于NiO自牺牲模板的钼镍碲化物复合材料MoTe2/NiTe2。所采用的方法:以多酸前驱体SiMo12和NaTeO3为原料,以NiO为自牺牲模板和泡沫镍导电基底,采用水热合成方法,制备的钼镍碲化物复合催化剂可适用于碱性电解液中的电催化析氢反应,且具有较高的催化活性、良好的导电性能、丰富的异质界面和优异的长期稳定性。