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Última actualización
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Resultados 250 a 275 de 928
Resumen de: CN122773418A
本发明提供了一种可再生电力波动下的电解水制氢调控方法，包括：对电解水制氢的电解槽进行健康度评估，根据健康度评估结果对所述电解槽进行分类；对分类后的电解槽进行运行模式分配和功率基线获取；获取可再生电力的预测功率信息，根据可再生电力的预测功率信息、运行模式分配结果和获取的功率基线，通过优化控制方法对电解槽进行功率分配，得到功率控制指令，根据所述功率控制指令对电解槽进行控制，以实现电解水制氢，实现了功率波动快速跟踪、低载安全高效运行与设备寿命均衡。
Resumen de: CN122769003A
本发明涉及能源技术领域，公开了单原子光催化剂及其制备方法和应用。包括：将密勒胺、硝酸盐、含硫有机物和水混合后进行水热反应，得到S离子‑金属离子‑密勒胺混合物；将S离子‑金属离子‑密勒胺混合物进行第一冷冻干燥，然后放电等离子烧结得到单原子负载的石墨相氮化碳；将单原子负载的石墨相氮化碳与水混合后进行球磨得到混合料，将混合料与水混合后进行超声处理和离心，取上清液进行第二冷冻干燥，得到单原子光催化剂。本发明单原子光催化剂，不仅提高了水分解过程中的反应活性位点数目及活性，还增强了对CO2的吸附和还原过程的催化活性，使得其HER和CO2RR整体性能大大提高。
Resumen de: CN122773382A
本申请提供了一种电解模块和制氢设备，电解模块包括第一端部组件、第二端部组件以及多个电堆单元。第二端部组件与第一端部组件间隔设置。多个电堆单元位于第一端部组件和第二端部组件之间，每个电堆单元包括依次设置的金属巡检隔板、阴极扩散层、阴离子交换膜、阳极扩散层、阳极流场、阳极极框，阳极极框设置有容置孔，阳极流场和阳极扩散层容置于容置孔中。金属巡检隔板的承压能力与氢气压力适配，非金属阳极极框的承压能力与氧气压力适配，使电解模块在电解制氢、制氧时结构保持稳定、可靠，使电解模块的结构与电解模块的输出压力适配，以及减小非金属阳极极框的重量，减小对电解模块进行吊装、装配、运输的难度。
Resumen de: CN122773447A
本发明公开了一种无定形镍钒氧化物负载铂单原子电解水催化材料及其制备方法。包括以下步骤：对泡沫镍超声处理；配制NiSO4·6H2O、NH4VO3和H3BO3混合溶液；将溶液转移至电解池中，通过三电极体系在电化学工作站下以恒电位电沉积得到负载在泡沫镍上的Ni/VOx；配置KOH和H2PtCl6·6H2O混合溶液，将之前沉积得到的Ni/VOx作为工作电极，石墨棒作为对电极，饱和甘汞电极作为参比电极，在电解液中以进行多循环阴极极化得到Pt‑Ni/VOx催化剂。本发明通过两步电沉积的制备方式，将Pt单原子负载到无定形Ni/Vox形成Pt‑Ni/VOx催化材料，既降低了Pt的负载量，又提高了催化剂的稳定性，继而开发出在阴离子交换膜电解水设备中高效制氢的催化新材料，对贵金属Pt在电解水催化领域的实际应用具有重大意义。
Resumen de: CN122772229A
0001 本发明涉及光催化制氢领域，公开了一种Keggin型多酸基金属‑有机配合物（POMOC）晶态材料Fe
Resumen de: WO2025204074A1
Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).
Resumen de: US20260275553A1
Systems, devices, and methods for electrolysis at very large scale (e.g., exceeding 100 megawatts (MW), and at gigawatt (GW) scale having a solid oxide electolyzer cell (SOEC) system including one or more SOEC columns, and one or more heat exchangers, each of the heat exchangers configured to receive input stream that is used to heat respective SOEC columns, wherein each of the heat exchangers is located along respective SOEC columns such that the input steam exiting the heat exchanger is directed towards adjacent SOEC columns.
Resumen de: US20260274662A1
The present disclosure relates to a natural gas reforming system capable of reducing, by using a co-electrolysis device, the emission amount of carbon dioxide produced by reforming natural gas, of supplying heat to a reformer through syngas produced by the co-electrolysis, and of producing additional hydrogen, and a process thereof.
Resumen de: US20260273467A1
A cyclic process for the capture of carbon dioxide (CO2) directly from air utilizing a three-compartment electrolytic cell coupled with a hydroxide-based CO2 capture system as well as a carbonate-based CO2 capture system. Air is passed over a hydroxide compound in the hydroxide-based CO2 capture system to extract carbon dioxide from the air and produce a carbonate compound which is transferred to the carbonate-based CO2 capture system, where air is passed over the carbonate compound to extract carbon dioxide from the air and produce a bicarbonate compound. The bicarbonate is then passed into the three-compartment electrolytic cell where CO2, hydrogen and oxygen gases are separately released and the bicarbonate solution is transformed into a hydroxide solution that is reused in the hydroxide-based CO2 capture system. The flow of input compounds from one system to the other enables efficient operation of the direct air capture of carbon dioxide system.
Resumen de: US20260274731A1
0000 Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Resumen de: EP4491770A1
0001 Method for operating a closed-loop carbon cycle (100), comprising: - creating synthetic methane (106) from renewable energy (114) in a first geographical area (101), comprising: ∘ producing hydrogen (123) via electrolysis (113), ∘ feeding CO2 (109) and produced hydrogen (123) into Sabatier reactors (300) of an eNG production plant (110), - transporting said synthetic methane (106) to a second geographical area (102); - converting synthetic methane into usable energy (112) in said second geographical area (102), comprising: ∘ distributing synthetic methane (107) to one or more eNG conversion facilities (111); ∘ using said synthetic methane in said eNG conversion facilities (111), producing an output comprising CO2; ∘ capturing CO2 from said output; - transporting said captured CO2 (108) to said first geographical area (101); - establishing said closed-loop carbon cycle (100) by feeding said captured CO2 (109) received from said second geographical area (102) to said eNG production plant (110).
Resumen de: US20260275556A1
An electrolysis apparatus for the production of gaseous hydrogen and oxygen by water electrolysis includes an electrolyzer having a plurality of cells arranged next to each other to form a cell stack. Each cell includes an anode and a cathode plate. The electrolyzer further includes anode and cathode end plates. The electrolyzer has an active chamber in which the electrolysis reaction of water contained in an electrolyte solution with which the electrolyzer is fed takes place, a first liquid/gas phase separator for separating oxygen gas from the electrolyte solution, and a second liquid/gas phase separator for separating hydrogen gas from the electrolyte solution. The electrolyzer also includes a plurality of sensors mounted on one of the anode and cathode end plates and configured to detect appropriate operating parameters of the first and second liquid/gas phase separator.
Resumen de: US20260274673A1
A carbon material containing a fired product of a mixture containing a first compound and a second compound, in which the first compound is a phthalocyanine compound having bromine as a substituent, and the second compound is a compound containing at least one metal element selected from the group consisting of Fe, Co, Ni, Cu, Al, and Zn.
Resumen de: US20260275552A1
An overall system that includes, as sub-systems, a DRI system, an electrolysis system, a hydrogen store and a supply device. The DRI system and the electrolysis system are connected to an electricity-supply network for receiving electricity. The DRI system, the electrolysis system and the hydrogen store are interconnected for transferring hydrogen, and the DRI system and the supply device are interconnected for supplying the DRI system with natural gas and/or ammonia. A controller calculates operating modes (B1, B4, B6, B7) for the sub-systems for a forecast horizon (PH) and determines final states (Z1′, Z4′, Z6′, Z7′) that can be expected for the sub-systems on the basis of the current states (Z1, Z4, Z6, Z7) and the operating modes (B1, B4, B6, B7). The controller varies the final states (Z1′, Z4′, Z6′, Z7′) that can be expected so as to minimize a cost function (K).
Resumen de: US20260274663A1
0000 A reactor system may include at least one first type reactor, at least one second type reactor, a heat source unit, a heat exchange unit, and one or more separation units. The at least one first type reactor reacts a fuel, which may comprise biogas, with metal oxide particles. The at least one second type reactor receives reduced metal oxide particles from the at least one first type reactor and reacts those particles with steam, generating hydrogen (H<2>) and oxidized metal oxide particles. The oxidized metal oxide particles are heated up in a heat exchange unit that is heated by the heat source. The heat source may generate heat by combusting air and oxidation products from the at least one first type reactor. The heated oxidized metal oxide particles may be provided to the separation unit(s) and then to the at least one first type reactor.
Resumen de: US20260275545A1
An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 μm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.
Resumen de: US20260275543A1
A porous transport layer for an electrolyser or for a fuel cell, comprising —a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, —a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface has a material ratio of less than 5% of material at a height of 5 μm, and more than 70% of material at a depth of −5 μm, the first equivalent diameter is smaller than the second equivalent diameter.
Resumen de: US20260274657A1
Provided is a method for producing a highly active oxygen carrier at low cost, and a method for producing hydrogen and an apparatus for producing hydrogen using the highly active oxygen carrier.
Resumen de: US20260279865A1
A membrane electrode assembly with an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode. The membrane electrode assembly further includes a protective layer, which is arranged between the anode and the hydrocarbon membrane and/or between the cathode and the hydrocarbon membrane, wherein the protective layer includes at least one ceramic material and one fluorine-containing ionomer, wherein the ceramic material is dispersed in the fluorine-containing ionomer.
Resumen de: US20260279846A1
A porous transport layer for an electrolyser or for a fuel cell, comprising a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface roughness is below 10 μm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%.
Resumen de: US20260275433A1
Method to produce hot metal in a blast furnace including at least two levels of gas injection wherein the blast furnace top gas is recovered and subjected to an oxidation step using water-gas shift reaction to transform at least a part of the carbon monoxide from the recovered blast furnace top gas into carbon dioxide and hydrogen, the carbon dioxide is then separated to obtain a CO2-rich stream and a H2-rich stream, at least a part of it being injected into the blast furnace at the second level of gas injection.
Resumen de: US20260275546A1
A method for producing hydrogen comprises providing water and a gaseous substance, the gaseous substance comprising hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing a diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. An apparatus is configured for producing hydrogen gas.
Resumen de: US20260275542A1
The present disclosure provides a membrane electrode for hydrogen production by alkaline water electrolysis, a preparation method therefor, and an electrolytic cell. According to the method provided by the present disclosure, a membrane electrode with catalyst layers uniformly and firmly adhered to the surfaces of a membrane can be obtained via a direct coating and hot pressing. The membrane electrode is endowed with good stability, and the obtained membrane electrode exhibits a significantly reduced overpotential for water electrolysis. The method comprises the following steps: directly applying a catalyst slurry (catalyst slurries) onto both sides of a membrane, followed by drying and hot pressing the catalyst slurry (catalyst slurries) to form catalyst layers on each surface of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more selected from a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5% to 30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.
Resumen de: US20260275550A1
Provided are a porous catalytic membrane, a membrane electrode assembly and a water electrolysis device. The porous catalytic membrane includes a porous polymer membrane formed by interweaving randomly arranged nanofibers and a catalyst coated on a surface of the nanofibers. The porous polymer membrane has a self-supporting structure and a large specific surface area, providing a large number of loading sites for the catalyst. The catalyst can be directly anchored onto the nanofibers of the porous polymer membrane through a physical or chemical method to achieve uniform dispersion without the need for coating by ionomers, thereby avoiding high costs and performance degradation caused by the adoption of ionomers. The exposure degree of the catalytic active sites is significantly increased, thereby enhancing utilization efficiency of the catalyst and reducing the amount of noble metal catalysts.
Nº publicación: AU2025240709A1 17/09/2026
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Resumen de: AU2025240709A1
The invention relates to a method for producing a synthetic fuel (F), comprising the steps (S1): carrying out a first reaction process, wherein the first reaction process creates a gas mixture of synthesis gas (SG) and carbon dioxide (CO2) with the addition of biomass (BM), oxygen (O2), wherein the synthesis gas (SG) contains carbon monoxide (CO) and hydrogen (H2); (S2): separating carbon dioxide (CO2) from the gas mixture and supplying hydrogen (H2) to separated carbon dioxide (CO2) for a second reaction process; (S3): carrying out a second reaction process, wherein in the second reaction process methanation is carried out using the reactants carbon dioxide (CO2) and hydrogen (H2), wherein methane (CH4) and water (H2O) are produced as an intermediate product; (S4): feeding back methane (CH4) and water (H2O) obtained from the second reaction process into the first reaction process, wherein a gas mixture containing synthesis gas (SG) is produced; and (S5): discharging synthesis gas (SG) and converting synthesis gas into a synthetic fuel (F). The invention further relates to a system (1) for producing a synthetic fuel (F), which is designed in particular to carry out the method.
BOPI
Sede Electrónica
