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PHOTOCATALYST AND METHOD FOR PRODUCING PHOTOCATALYST

Resumen de: WO2026154622A1

This photocatalyst is provided with: a support base material having a flat surface; a metal oxide layer that is made of a metal oxide and is applied to the flat surface; and a carbon nitride layer that is made of a polymeric carbon nitride that responds to visible light and is fixed to the flat surface via the metal oxide layer. The carbon nitride layer can be firmly fixed to the support base material, and by immersing the photocatalyst in a liquid, artificial photosynthesis can be performed.

STAINLESS STEEL MATERIAL FOR ALKALINE WATER ELECTROLYSIS DEVICE, MEMBER FOR ALKALINE WATER ELECTROLYSIS DEVICE AND METHOD FOR PRODUCING SAME, AND ALKALINE WATER ELECTROLYSIS DEVICE

Resumen de: EP4779048A1

0001 A stainless steel material for an alkaline water electrolysis device, including, on a mass basis, C: 0.100% or less, Si: 1.00% or less, Mn: 0.30 to 3.00%, Ni: 10.00 to 35.00%, P: 0.0300% or less, S: 0.0030% or less, Cr: 16.0 to 28.0%, N: 0.01 to 0.25%, Cu: 0.01 to 1.00%, Mo: 0.10 to 8.00%, and Al: 0.005 to 0.100%, the balance being Fe and impurities.

Anode layers for polymer electrolyte membrane electrolysers

Resumen de: GB2703251A

A process for the manufacture of an anode layer for a polymer electrolyte membrane (PEM) electrolyser (PEMWE) is described together with a CCM (catalyst coated membrane), an electrolyser and an ink for an anode layer. The process comprising the steps of: (i) forming a catalyst ink comprising an iridium- and / or ruthenium-containing OER catalyst, an ionomer, a solvent, and a cellulose compound; (ii) applying the catalyst ink to a substrate to form the anode layer; and (iii) drying the anode layer. The cellulose compound may comprise hydroxyalkylcelluose. The catalyst loading may be less than or equal to 1.2mg/cm2. None

ELECTROCHEMICAL CONTINUOUS METHOD FOR PREPARING TRANSITION METAL HYDROXIDES AND HYDROGEN GENERATION SYSTEM

Resumen de: KR20260114100A

전이금속 전구체 및 염화물을 포함하는 전해질을 포함하는 전해액에 산화전극을 침지시켜 전기분해하는 단계를 포함하는 전이금속 수산화물의 제조방법으로서, 상기 전이금속 수산화물은 상기 전이금속 전구체가 상기 염화물 유래 염소 이온에 의해 산화된 것인, 제조방법을 제공한다. 특히, 상기 제조방법은 별도의 산화제를 사용하지 않아 공정이 간단함과 동시에 연속적인 전이금속 산화물 제조 및 수소생성 시스템을 제공할 수 있다.

CLEANING THE CRACKED GAS OF AN AMMONIA CRACKER

Resumen de: EP4778883A1

Apparatus for producing hydrogen from a cracking reaction of ammonia, said apparatus comprising:- a cracker unit (1) configured for producing a cracked gas from ammonia,- an absorber (2) configured for removing unconverted ammonia from said cracked gas using an absorbent fluid, thereby producing an ammonia depleted gas containing hydrogen, nitrogen and vaporized absorbent fluid,- an adsorption unit (3) comprising at least one adsorber vessel (4), said adsorber vessel or each adsorber vessel comprising a feed end arranged for receiving said ammonia depleted gas, a product end downstream said feed end for discharging a purified hydrogen product from said adsorber vessel, and an adsorbent bed arranged between said feed end and said product end, the adsorbent bed comprising an upstream layer (5) of an adsorbent selectively adsorbent for the vaporized absorbent fluid contained in said ammonia depleted gas and a downstream layer (6) of an adsorbent selectively adsorbent for nitrogen.

Iridium nanodendrites for proton exchange membrane water electrolysis and preparation method thereof

Resumen de: KR20260114165A

본 발명은, 양성자 교환막 수전해의 촉매로 사용되는 이리듐 나노 덴드라이트 및 이의 제조방법에 관한 것으로, 본 발명에 따른 이리듐 나노 덴드라이트를 이용하여 우수한 산소 발생 반응 촉매 활성, 내구성 및 고전류 밀도 조건에서 향상된 물질전달 특성 및 감소된 물질전달 과전압을 갖는 양성자 교환막 수전해용 촉매를 제공할 수 있다.

2 - INTEGRAL ELECTRODE-POROUS DIFFUSER HAVING TWO-STAGE IONOMER COMPOSITION GRADIENT AND METHOD FOR PREPARING SAME

Resumen de: KR20260114118A

0001a 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체 및 이를 제조하는 방법으로서, 구체적으로, PTL(porous transport layer) 상에 이오노머 함량이 낮은 전극층이 형성되고, 상기 이오노머 함량이 낮은 전극층 상에 이오노머 함량이 높은 전극층이 형성된 것을 특징으로 하는, 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체, 및 이를 제조하는 방법에 관한 것이다. 본 발명에 따르면, 전극층 하단에는 낮은 함량의 이오노머를 갖는 전극층을 스프레이 코팅하고, 그 위에 얇게 높은 함량의 이오노머를 갖는 전극층을 스프레이 코팅함으로써, 우수한 계면 접합력과 수전해 성능을 동시에 갖는 것을 장점을 한다. 이에 따라, 본 발명의 2단의 이오노머 조성 구배를 갖는 일체형 전극-다공성 확산체를 포함하는 수전해 애노드 전극은 더욱 향상된 내구성과 수전해 성능을 가질 수 있다.

ELECTRODE FOR ELECTROCHEMICAL CELLS

Resumen de: CN122249590A

An electrode for an electrochemical cell designed for electrolysis is a support formed with an open-cell metal structure and provided with a coating that increases the specific surface area on an outward facing surface of a separator facing the electrochemical cell, or with a coating that increases the specific surface area and has improved catalytic activity. The coating is formed from a metal, particles of which are bonded to each other via a sintered bridge and/or an organic binder and to a surface of the perforated metal structure. The coating layer is formed with a plurality of regions between which an uncoated joint is arranged.

METHOD FOR TRANSITIONING LOAD IN AN ELECTROLYSER

Resumen de: GB2633564A

A method of changing the electrolytic conversion rate within at least one electrolyser cell 10 stack 12 of an electrolyser system (figure 1, 20) is described. The stack 12 has a fluid inlet 114, fluid outlet 116 and a power control system 108. The power control system 108 is used to change the voltage, via a voltage interface 100 across the electrolyser cell stack 12, allowing the fluid outlet temperature 104 to change in response to the voltage change, setting an inlet temperature 106 to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value. The electrolyser cell stack 12 is thus operating at a changed stack temperature and changed electrolytic conversion rate. A processor 110 and memory circuit 112 can also be provided for storing information such as preset current, voltage or power delivery changes. The current method may lead to a galvanostatic thermoneutral (GTN) strategy for electrolyzer stack control.

HYDROGEN DRYING SYSTEM FOR HYDROGEN PRODUCTION USING RENEWABLE ENERGY

Resumen de: EP4778615A1

0001 A hydrogen drying system for hydrogen production using renewable energy is provided. Two adsorbers (1, 2) are arranged in parallel, the two adsorbers (1, 2) alternately perform an adsorption process and a desorption process, the adsorption flow of each of the adsorbers (1, 2) changes along with the fluctuation of input renewable energy, and an operating state of each of the adsorbers (1, 2) is switched by means of accumulating the hydrogen flow treated by each of the adsorbers (1, 2) in a single adsorption process; a pre-adsorber (3) is connected in series to one of the adsorbers (1, 2) and is used for assisting in the desorption process; and in the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated by means of a hydrogen self-circulation apparatus (4), and the desorption process is independent of the adsorption process. Since the adsorption process and the desorption process are independent of each other, after a raw gas enters the adsorbers (1, 2) and absorption is completed, all the raw gas is output; and in the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated through the hydrogen self-circulation apparatus (4) to achieve hydrogen regeneration, so that the problem of incomplete desorption due to desorption interruption caused by the flow fluctuation of the raw hydrogen is solved, intermittent and fluctuating renewable energy can be matched to perform hydrogen production, and an operat

ANION EXCHANGE MEMBRANE AND MANUFACTURING METHOD THEREOF

Resumen de: EP4778962A1

According to one embodiment of the present invention, an anion exchange membrane comprising a carbazole-based polymer but having mitigated cracking characteristics of the polymer, and a method for manufacturing the same can be provided.

ION EXCHANGE MEMBRANE AND ELECTROCHEMICAL SYSTEM COMPRISING ION EXCHANGE MEMBRANE

Resumen de: EP4779059A1

The present disclosure relates to an ion exchange membrane and an electrochemical system comprising the ion exchange membrane. The ion exchange membrane according to the present disclosure can maintain high ion conductivity and durability, and has high gas barrier properties, thereby realizing an electrochemical system with excellent efficiency.

HOLLOW FIBER MEMBRANE FOR FUEL CELL MEMBRANE HUMIDIFIER, FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME, AND METHOD FOR MANUFACTURING HOLLOW FIBER MEMBRANE

Resumen de: EP4779728A1

The present disclosure relates to a hollow fiber membrane for a fuel cell membrane humidifier, including a porous polymer and a phenol-based antioxidant dispersed within the porous polymer, a method of preparing the same, and a fuel cell membrane humidifier including the hollow fiber membrane, and thus there is an effect of preventing deterioration and decomposition of the hollow fiber membrane.

多孔質材料を処理するための組成物及び方法

Resumen de: WO2025006628A2

The present disclosure is directed to a processing solution composition comprising a metal salt, an acid, a solvent, and a non-metal reductant. The present disclosure is also directed to a method of impregnating a porous material by covering or coating the porous material with a processing solution comprising a metal salt, an acid, a solvent, and a non-metal reductant.

PRODUCTION OF A HYDROGEN-CONTAINING SYNTHESIS GAS BY CONVERSION OF A HYDROCARBON FEEDSTOCK

Resumen de: EP4524100A1

0001 Process comprising the production of a hydrogen-containing synthesis gas by the conversion of a hydrocarbon feedstock, said process comprising : - providing a fuel stream of ammonia comprising an ammonia content, - decomposing at least a portion of said ammonia content into hydrogen and nitrogen, thereby obtaining an enhanced fuel, said portion of the ammonia content undergoing said decomposition being greater than 50% of the ammonia content of said fuel stream of ammonia, - combustion of said enhanced fuel in a fired equipment to provide a heat input to the process.

电解装置

Resumen de: WO2025131626A1

The invention relates to an electrolysis assembly (10) comprising a stack assembly (16). The stack assembly (16) is equipped with precisely one reactant gas manifold structure (66) in order to provide reactant gas to the electrolysis cells (18) and precisely one product gas manifold structure (68) in order to discharge product gas from the electrolysis cells (18). The stack assembly (16) has a reactant gas opening for introducing reactant gas into the reactant gas manifold structure (66) and a product gas opening for discharging product gas out of the product gas manifold structure (68). The reactant gas manifold structure (66) and the product gas manifold structure (68) are formed within the stack assembly (16), in each case by means of manifold openings introduced into the interconnectors, wherein between the membrane electrode assembly and the interconnector of at least some of the electrolysis cells is a reactant gas line structure designed to conduct reactant gas out of the reactant gas manifold structure along the hydrogen side of the membrane electrode assemblies and to the product gas manifold structure, and at least some of the membrane electrode assemblies have an oxygen-permeable structure on the oxygen side, said oxygen-permeable structure being positioned and designed such that oxygen released on the oxygen side of the membrane electrode assembly can be discharged into the interior of the housing (12).

由船舶用氨生产氢气的装置

Resumen de: WO2025135740A1

The present invention relates to a device for producing hydrogen from ammonia for a ship. According to the present invention, high-pressure hydrogen can be produced by using liquefied ammonia for a ship, and hydrogen can be economically produced by utilizing unconverted ammonia discharged from a decomposition reactor and off-gas discharged from a pressure swing adsorption device as a heat source for ammonia decomposition through a heat exchange network of the ship.

Thermal control method and device of ALK-PEM mixed hydrogen production system

Resumen de: CN122428338A

The invention relates to a thermal control method and device of an ALK-PEM mixed hydrogen production system, and relates to the technical field of energy storage, and the thermal control method comprises the following steps: obtaining working mode data and temperature data of the ALK-PEM mixed hydrogen production system; the temperature data comprises the pure water temperature of a PEM unit and the alkali liquor temperature of an ALK unit; determining a target thermal control working condition of the ALK-PEM hybrid hydrogen production system according to the working mode data and the temperature data; the target heat control working conditions comprise a first working condition of unidirectional heat transfer from the PEM side to the ALK side, a second working condition of unidirectional heat transfer from the ALK side to the PEM side and a third working condition of heat discharge and heat recovery of the ALK-PEM mixed hydrogen production system; and the working condition switching module is controlled to adjust the flow direction and flow of a heat exchange medium in the heat exchange pipeline, so that the ALK-PEM mixed hydrogen production system is adjusted to the target heat control working condition.

热电协同的离网型压缩空气储能制氢系统及控制方法

Resumen de: CN122428298A

0001 本发明公开了一种热电协同的离网型压缩空气储能制氢系统及控制方法，系统包括电解水制氢子系统、混合能源输入子系统、复合储能调频子系统和综合热管理耦合子系统。混合能源输入子系统汇集风电、光伏电能经高压直流母线供电制氢；复合储能调频子系统含电化学储能与压缩空气储能单元，接入母线平抑波动；综合热管理耦合子系统通过高温回路存储压缩储能压缩热并用于电解槽冷启动供热，低温回路回收电解槽运行余热用于压缩空气膨胀侧预热。本发明通过多能互补与热电协同控制，提升压缩空气储能发电效率，延缓电解槽性能衰减，消除冷却塔与启动加热能耗，显著提高离网系统整体能效与经济性。

一体式双梯度非贵金属析氢阴极及其制备方法和应用

Resumen de: CN122428300A

0001 本发明公开了一种一体式双梯度非贵金属析氢阴极，包括三维多孔材料，所述三维多孔材料的表面设置有活性催化涂层；所述一体式双梯度非贵金属析氢阴极靠近质子交换膜的一侧为亲水区域，而靠近双极板的一侧为疏水区域，且所述疏水区的孔径由质子交换膜侧向双极板侧方向呈逐渐扩大的锥形。本发明为三维导电网络骨架的一体化结构，同时通过将在电极的两侧设置不同的孔径分布和亲/疏水性，有效缓解了电极局部压力波动，从而兼顾高催化活性、低接触电阻与长效运行稳定性；其应用于质子交换膜电解水制氢系统时，在大电流密度的电解工况下，使其在大电流密度下的极化性能逼近铂基电极，为实现廉价、高效的PEMWE工业化应用提供关键的技术方案。

一种风光储制氢系统的优化配置方法及系统

Resumen de: CN122437040A

0001 本发明提供一种风光储制氢系统的优化配置方法及系统，涉及风光储制氢技术领域。本发明构建电‑热耦合模型并引入动态自适应调整机制，基于电解槽实时热状态动态标定静态与动态输入功率区间，克服了传统静态功率限值设定过于保守或存在安全隐患的缺陷。同时，从风光联合出力预测曲线中提取功率变化率、波动频次及连续低出力时长等波动特征参数，并以此为约束计算储能的最低能量与最大功率容量，使储能配置能够精准匹配风光波动规律。在此基础上，通过多目标优化算法迭代求解储能最佳容量与协同控制策略，使制氢总量最大化与性能衰减成本最小化形成正向耦合，显著提升了系统的全生命周期运行效率与设备耐久性。

Green electricity hydrogen production coordination control method meeting multiple control targets and multiple constraint conditions

Resumen de: CN122437146A

The invention discloses a green electricity hydrogen production coordination control method meeting a multi-control-target and multi-constraint condition, and relates to the field of green electricity hydrogen production coordination control, and the method comprises the steps: based on a multi-target constraint model, employing an improved constraint grouping multi-population evolutionary algorithm to set a population structure, and obtaining a multi-population evolutionary framework, the population in the multi-population evolution framework is independently evolved and recombined by combining a dynamic relaxation and dormancy activation mechanism; coevolution is carried out on the recombined population, a physical barrier perception memory graph is constructed according to the evolved population, population transition is carried out, and a Pareto frontier solution set is obtained; and based on a good and inferior solution distance method and a meteorological extreme error verification and evaluation algorithm, screening the Pareto frontier solution set, and updating a weight parameter optimal solution to a model prediction controller to realize green electricity hydrogen production coordination control. According to the method, dual-time-scale cooperative control of global optimization and real-time response is considered, and cooperative improvement of hydrogen production benefit and new energy consumption benefit maximization is realized.

一种超纯水制氢过程中水质动态调控方法

Resumen de: CN122428341A

0001 本发明涉及电解水制氢技术领域，尤其涉及一种超纯水制氢过程中水质动态调控方法，包括：在质子交换膜两侧对称设置电压监测点，同步采集阴阳极电压信号与关键位置电导率，分别建立水质电化学镜像基线与水质变化镜像基线，通过计算两个镜像的偏离度判定水质异常，结合电化学镜像偏离方向与水质变化镜像偏离的变化特征，精准区分阳极侧金属离子污染、阴极侧结垢离子累积、质子交换膜异常及进水突发污染四类异常并定位来源，针对性执行单端强化、同步强化或保护策略。本发明实现了水质异常的早期识别与靶向调控，可有效降低水处理能耗，延长电解槽运行寿命。

Hydrogen production electrolytic cell bubble online monitoring method, system, equipment, medium and product

Resumen de: CN122428339A

The invention belongs to the technical field of water electrolysis hydrogen production, and provides a hydrogen production electrolytic bath bubble online monitoring method, system and equipment, a medium and a product, the method comprises the following steps: measuring the environment and operation parameters of an electrolytic bath, and determining the reference resistance value of the electrolytic bath; injecting a multi-frequency alternating current test signal into the running electrolytic bath, and collecting real-time response information of the electrolytic bath; establishing a bubble state analysis model based on the reference resistance value and the real-time response information; and making a monitoring response according to a real-time calculation result and an early warning condition of the bubble state analysis model. By applying the specific test signal and monitoring the system response, the coverage degree of the bubbles and the strength of the desorption activity are quantified, and direct, online and sensitive monitoring of the bubbles in the electrolytic cell is achieved.

一种NiS2/MoS2异质结纳米材料及其制备方法与在碱性析氢反应中的应用

Nº publicación: CN122428323A 21/07/2026

Solicitante:

青岛滨海学院

Resumen de: CN122428323A

0001 本发明涉及一种过渡金属硫化物异质结构纳米材料及其制备方法与电催化碱性析氢中的应用。本发明中制备的纳米材料为NiS<2>与MoS<2>纳米颗粒异质结电催化剂。异质界面处能优化电子结构，产生强烈的电子相互作用，因此降低水分解的能量势垒，有利于改善碱性HER性能。因此NiS<2>/MoS<2>催化剂材料具有能媲美商业铂碳的碱性析氢性能，58mV的过电位能实现10mAcm<‑2>。制备方法为：（1）六水合硝酸镍与2氨基对苯二甲酸在DMF溶剂中100℃水热反应48h，离心得到Ni‑BDC前驱体；（2）Ni‑BDC前驱体、二水钼酸钠与硫代乙酰胺分散在乙醇中，180℃水热24h，离心后得到目标催化剂。本发明的制备流程便捷，原料成本低廉，所制得的催化剂兼具优异的电催化活性与长效稳定性，完全满足工业绿氢制备的严苛要求。