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一种原位构筑的超低铱限域负载PEM电极材料的制备及应用

Absstract of: CN122484809A

本发明公开一种原位构筑的超低铱限域负载PEM电极材料及其制备与应用。以三维钛基多孔导电骨架为基底，经阳极氧化原位构筑通道曲率为0.025‑0.077nm‑1的纳米管结构，再通过脉冲偏压诱导铱前驱体在高曲率及缺陷位点选择性配位吸附，并经低温固载形成稳定铱单原子活性中心，得到可直接作为PEM电解水阳极使用的一体化电极。结果表明，60℃、纯水进料下，1A cm‑2和2A cm‑2时槽压分别为1.67V和1.8V，1A cm‑2稳定运行1050h，衰减率低于32μ V h‑1，阳极侧铱负载量低至0.11mgIr cm‑2。与传统粉体催化剂涂覆型阳极相比，本发明无需传统粉体催化层与独立PTL的多界面叠加，可直接作为PEM膜电极阳极侧使用，实现催化层与PTL功能耦合，缓解高电流运行下的局部过电位集中与结构不均匀劣化。

具有三维连通网状结构的氧化铱催化剂的制备方法及催化剂

Absstract of: CN122484813A

本发明公开了一种具有三维连通网状结构的氧化铱催化剂的制备方法及催化剂，本发明以单分散二氧化硅微球为硬模板，将二氧化硅模板与含铱前驱体、硝酸钠混合球磨均匀，不添加任何有机溶剂；然后将混合物在空气气氛下加热至300~600℃进行亚当斯熔融反应，使铱前驱体氧化生成氧化铱；反应产物经水洗去除可溶性盐后，用碱液或氢氟酸溶液刻蚀去除二氧化硅模板，得到具有三维连通网状结构的氧化铱催化剂。本发明方法全程无需有机溶剂，工艺简单、环境友好；所制备的催化剂具有相互连通的开放网络骨架，孔道贯通性好，比表面积高达600~800 m²/g，克服了传统颗粒堆积型催化剂接触电阻大、传质受限的问题。

AEM电解水膜电极及其制备方法

Absstract of: CN122484793A

0001 本发明涉及AEM电解水膜电极领域，公开了AEM电解水膜电极及其制备方法。该AEM电解水膜电极包括从下至上依次设置的阴极催化层、阴离子交换膜、消氢层I和阳极催化层；任选地，在阴极催化层和阴离子交换膜之间还设有消氢层II；消氢层I含第一消氢层和第二消氢层，第一消氢层中的消氢催化剂选自铂、钯、铱中的至少一种；第二消氢层中的消氢催化剂选自氧化铈、氧化铜、氧化铝、氧化锆、氧化铌、氧化钽、氧化钨、氧化钇、氧化锶和氧化钒中的至少一种。该AEM电解水膜电极减少了第一消氢层中贵金属催化剂的使用量，且避免了贵金属暴露于高电位下发生氧化腐蚀失去消氢效果的问题，在AEM电解水制氢消氢领域具有广阔的应用前景。

一种电解水制氢阳极及其制备方法和应用

Absstract of: CN122484817A

本发明提供了一种电解水制氢阳极及其制备方法和应用。所述制备方法包括：S1、配制化学镀液，所述化学镀液包括铈盐和/或至少一种过渡金属盐，还包括氯化钠；S2、将镍基集流体浸入所述化学镀液中反应，反应结束后取出干燥；S3、重复步骤S2若干次，使集流体表面原位生成析氧催化层；并且，在所述配制化学镀液的过程中加入环氧化合物；或，在每次重复步骤S2的过程中，在化学镀液中加入环氧化合物。本发明通过在化学镀液中引入环氧化合物与氯化钠，诱导在集流体表面原位形成多金属氧化物沉淀，从而在微观尺度上增强了催化层与集流体的结合力，提高了催化剂在安培级电流密度下的抗脱落性与长期稳定性。

一种中高温蒸汽电解制氢系统及方法

Absstract of: CN122484791A

0001 本发明公开了一种中高温蒸汽电解制氢系统及方法，属于氢能制备技术领域。包括：制氢单元、气体纯化单元、压缩储存单元、制冷供暖单元和供电单元。通过制氢单元、气体纯化单元、压缩储存单元、制冷供暖单元和供电单元的配合，实现了中高温余热蒸汽的高效电解制氢与产物低能耗压缩储存。制氢单元利用发电厂余热蒸汽作为热源和反应物，降低电解所需的电能消耗；气体纯化单元通过冷凝与气液分离，高效提纯电解产物；压缩储存单元利用输入蒸汽的剩余压力驱动活塞进行气体压缩，避免额外的高能耗机械压缩；制冷供暖单元为气体纯化提供冷量，并回收废热用于供暖，实现系统内部的能量梯级利用；供电单元采用风光互补供电模式，为系统提供稳定的可再生电力。

水素生産システム

Absstract of: WO2025127526A1

According to exemplary embodiments of the present invention, a hydrogen production system is provided. The present invention comprises: a hydrogen generation unit configured to receive reduced iron from a reduced iron generation unit configured to generate reduced iron by reducing powdered iron ore in a reducing gas atmosphere, and to generate hydrogen from ammonia by bringing the reduced iron into contact with the ammonia; and a regeneration unit configured to receive the reduced iron from the hydrogen generation unit and to regenerate the reduced iron by reducing the reduced iron in a hydrogen gas atmosphere. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.

REINFORCED ION-CONDUCTING MEMBRANE

Absstract of: US20260221479A1

0000 The present invention provides a reinforced ion-conducting membrane comprising: (a) a reinforcing layer comprising a porous polymer structure; and (b) a polymeric ion-conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on nitrogen-containing heterocycles and the polymeric ion-conducting membrane material has a transition temperature Ta in the range of and including 60 to 80° C.

ELECTROLYSIS CELL STACK, ELECTROLYSIS CELL CARTRIDGE, ELECTROLYSIS CELL MODULE, AND METHOD FOR PRODUCING ELECTROLYSIS CELL STACK

Absstract of: WO2026159929A1

Provided are an electrolysis cell stack, an electrolysis cell cartridge, an electrolysis cell module, and a method for producing an electrolysis cell stack which make it possible to suppress a decrease in H2/CO yield, even when a methanation catalyst is contained in a flow passage through which a generated gas generated by a hydrogen electrode via co-electrolysis flows. An electrolysis cell stack (101) according to the present disclosure comprises: an electrolysis cell (105) in which a hydrogen electrode (109), a solid electrolyte (111), and an oxygen electrode (113) are stacked, in this order; a flow passage (117) through which a generated gas generated by the hydrogen electrode flows; and a methanation suppression film (116) that covers the surface of a member (103), which defines the outer contour of the flow passage, on the side thereof on which the generated gas flows. The member defining the outer contour of the flow passage contains a methanation catalyst, and the methanation suppression film does not contain a methanation catalyst.

Electrolyser System for an Intermittent Electricity Supply

Absstract of: US20260218395A1

The invention provides an electroly ser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.

METHODS AND SYSTEMS FOR ELECTROCATALYTIC DUAL HYDROGENATION

Absstract of: US20260218391A1

0000 A method of electrocatalytic dual hydrogenation includes loading a first hydrogenation solution and a second hydrogenation solution into a first hydrogenation compartment and a second hydrogenation compartment of an electrocatalytic hydrogenation assembly, in which the first hydrogenation compartment and the second hydrogenation compartment are separated from an electrochemical cell by a hydrogen-permeable anode and a hydrogen-permeable cathode. The method includes applying and maintaining a voltage to the electrochemical cell to reduce a cathode solution and to oxidize an anode solution to provide hydrogen in the cathodic compartment and/or the anodic compartment. The hydrogen may be absorbed through the hydrogen-permeable anode and/or the hydrogen-permeable cathode and hydrogenate an unsaturated substrate in the first hydrogenation solution and/or the second hydrogenation solution. The method includes producing a first hydrogenated product and a second hydrogenated product with a total Faradic efficiency from 150% to 200%.

Water Electrolysis System and Method for Controlling the Same

Absstract of: US20260218394A1

0000 In a water electrolysis system, an AC-side connection end of a power converter is connected to an AC power grid, a series circuit constituted by at least one electrolysis stack and a circuit breaker connected to the at least one electrolysis stack is connected to a DC-side connection end of the power converter, a controller reduces the power flowing to the DC-side connection end before the electrolysis stack is isolated from the series circuit, while maintaining a speed at which the power converter reduces the power flowing to the DC-side connection end below a speed that allows a difference of an amplitude of a voltage of the AC power grid from a reference value to be less than a predetermined value, and when reaching a power level enabling disconnection of an internal DC circuit by the circuit breaker, disconnects the circuit breaker connected to the DC circuit and isolates the electrolysis stack from the series circuit.

METHOD FOR PRODUCING FUEL VIA LOWER AROMATICS

Absstract of: US20260218066A1

0000 Subject of the invention is a method for producing fuel which comprises C8+ aromatics and C8+ hydrocarbons, the method comprising the steps: (i) converting a feed mixture comprising CO<2 >with H<2 >into a mixture comprising CO, C6+ aromatics and unsaturated C<2>-C<6 >hydrocarbons, wherein the CO<2 >is at least partially converted into methanol using a metal oxide-based catalyst and wherein the methanol is at least partially converted into C6+ aromatics using a zeolite-based catalyst, wherein said unsaturated C<2>-C<6 >hydrocarbons are subsequently at least partially converted into unsaturated C8+ hydrocarbons by oligomerisation, and (ii) alkylating C6+ aromatics from step (i) at least partially with unsaturated C<2>-C<6 >hydrocarbons from step (i) into C8+ aromatics using an acid catalyst different from the zeolite-based catalyst used in step (i).

SYSTEM AND METHOD FOR MAKING GREEN HYDROGEN

Absstract of: AU2025213224A1

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

ELECTROLYSIS CELL AND ELECTROLYSIS DEVICE

Absstract of: AU2024420420A1

This electrolysis cell comprises: an ion exchange membrane; a power feeder which is provided on the surface of the ion exchange membrane and composed of a plurality of fibers formed in a sheet shape; a binder layer that covers the surface of each of the fibers; and an electrode catalyst layer that contains catalyst particles at least partially protruding from the surface of the binder layer. At least a part of the catalyst particles protrudes from the surface of the binder layer. Consequently, the surface area of the exposed portion of the catalyst particles is increased, and thus the contact area with an electrolyte can be increased.

CATALYST-LOADED CARBON, MEMBRANE ELECTRODE ASSEMBLY USING SAME FOR POLYMER ELECTROLYTE FUEL CELLS, AND POLYMER ELECTROLYTE FUEL CELL

Absstract of: US20260221470A1

0000 Problem To provide a catalyst-loaded carbon having a high initial activity and excellent durability. SolutionA catalyst-loaded carbon including catalyst particles and a carbon support, the catalyst particles being loaded on the carbon support. The carbon support has a crystallite size of 3.5 nm or greater and 9 nm or less, a BET specific surface area of 300 m<2>/g or greater and 450 m<2>/g or less, and a pore size of 5.0 nm or greater and 20.0 nm or less. The catalyst particles are made of platinum or a platinum alloy, have a crystallite size of 2.5 nm or greater and 5.0 nm or less and a surface area of 40 m<2>/g or greater and 80 m<2>/g or less.

SYSTEMS AND METHODS FOR CONTINUOUS GENERATION OF GASES

Absstract of: US20260218393A1

0000 The invention provides a system for continuous generation of gases, the system comprising an electrochemical device and an active-material regeneration device.

ELECTROLYSIS PROCESS FOR MAKING LITHIUM HYDROXIDE

Absstract of: US20260218390A1

Systems and methods are described for producing lithium hydroxide from lithium chloride through an electrolysis process.

PROCESS FOR PRODUCING SYNTHESIS GAS PRODUCT COMPRISING HYDROGEN

Absstract of: US20260217522A1

0000 A process for producing a synthesis gas product by an endothermic reaction of a feedstock stream, including providing an ammonia fuel stream, performing a first combustion in which the ammonia fuel stream is partially burned, generating heat and a combustion flue gas stream comprising an unburned portion of ammonia fuel stream being not burned, providing heat from the first combustion and from the combustion flue gas stream to the endothermic reaction, thereby obtaining a cooled flue gas stream, performing a second combustion of the cooled flue gas stream in which the unburned portion of ammonia fuel stream is burned, and providing heat from the second combustion to the endothermic reaction.

SYNTHETIC FUEL GENERATION SYSTEM

Absstract of: WO2026159979A1

This synthetic fuel generation system comprises: a synthetic fuel generation device that generates a synthetic compound and water by reacting hydrogen and carbon dioxide; a combustion unit that is supplied with a generated gas generated by the synthetic fuel generation device and combusts the generated gas; a heat supply unit that supplies combustion heat in the combustion unit to the synthetic fuel generation device; a generated gas delivery path through which the generated gas is delivered from the synthetic fuel generation device; a combustion supply path that branches from the generated gas delivery path and supplies the generated gas to the combustion unit; and a switching control unit that switches between a combustion mode in which the generated gas is delivered to the combustion supply path and a non-combustion mode in which the generated gas is not delivered to the combustion supply path.

SYNTHETIC FUEL GENERATION SYSTEM

Absstract of: WO2026159980A1

This synthetic fuel generation system comprises: a synthetic fuel generation device that reacts hydrogen and carbon dioxide to generate a synthetic compound and water; a product gas delivery path through which a product gas is delivered from the synthetic fuel generation device; a flowmeter that is provided in the product gas delivery path and measures the flow rate of the product gas; a resupply path that is branched off from the product gas delivery path and returns the product gas to the synthetic fuel generation device; and a switching unit that, when the ratio between the flow rate measured by the flowmeter and the flow rate of the raw material gas supplied to the synthetic fuel generation device exceeds a prescribed ratio, performs switching such that the entire amount of the product gas is delivered to the resupply path when the synthetic fuel generation device is running and such that the amount of the product gas exceeding the flow rate corresponding to the prescribed ratio is delivered to the resupply path when the synthetic fuel generation device is not running.

HYDROGEN PLANT

Absstract of: US20260217529A1

A hydrogen plant includes hydrogen liquefiers, individual pipes, a confluent pipe, and branch pipes. The hydrogen liquefiers convert hydrogen gas into liquefied hydrogen. The individual pipes respectively belong to the hydrogen liquefiers and serve as hydrogen flow passages. The confluent pipe includes a confluence where downstream ends of the individual pipes of the hydrogen liquefiers meet to combine to one, and a collecting pipe located at a downstream position of the confluence. The branch pipes respectively branch from the individual pipes to each take out hydrogen flow having a phase of gas or two phases of liquid and gas.

MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, AND WATER ELECTROLYSIS APPARATUS

Absstract of: US20260218402A1

0000 A membrane having excellent radical durability and low gas permeability, a membrane electrode assembly including the membrane, and a water electrolysis apparatus are provided. A membrane having a laminated structure including a layer B1, a layer A, and a layer B2 in this order, in which the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted, and each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.

SYSTEM AND METHOD FOR PRODUCING HYDROGEN FROM FEEDSTOCK

Absstract of: US20260218071A1

0000 The present disclosure relates to a system for producing hydrogen from feedstock and a method thereof. The system comprises a first chamber adapted to thermally decompose the feedstock, and a second chamber adapted to receive a first portion of the gaseous stream and to receive a first portion of the solids stream to form a reactants combination. The second chamber adapted to partially react the reactants combination with steam to produce a product gas. The system further comprises a third chamber adapted to receive a second portion of the gaseous stream and adapted to receive a second portion of the solids stream to form a combustibles combination. The third chamber adapted to at least partially combust the combustibles combination to produce process heat for the first chamber and/or the second chamber. The system further comprises a controller adapted to adjust the composition of the reactants combination and of the combustibles combination.

HYBRID ELECTRODE COMPRISING PLASMONIC NANOPARTICLES AND ELECTROLYSIS SYSTEM COMPRISING THE SAME

Absstract of: US20260218401A1

The present disclosure relates to a hybrid electrode including plasmonic nanoparticles and an electrolysis system including the same. The hybrid electrode and the electrolysis system including the same according to embodiments of the present disclosure may utilize a plasmonic-active (antenna–reactor) composite electrode to re-activate a catalyst surface via plasmonic phenomena during an electrochemical reaction.

SYSTEMS AND METHODS FOR GENERATING HYDROGEN FROM IRON ORE TAILINGS

Nº publicación: US20260217524A1 30/07/2026

Applicant:

ALLIANCE FOR ENERGY INNOVATION LLC [US]
USA FORTESCUE IP INC [US]
Alliance for Energy Innovation, LLC
USA Fortescue IP, Inc.

Absstract of: US20260217524A1

Among other things, a process for generating hydrogen by valorizing iron ore tailings (IOT) through the oxidation of remnant ferrous iron phases in the tailings is described. The IOT may be either wet (i.e., containing water) or dry (i.e., not containing water). The reaction may be performed using untreated IOT and may generate hydrogen gas capable of being used on site.