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859
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Última actualización
04/05/2026 [07:11:00]
Resultados 75 a 100 de 859
Resumen de: AU2025228315A1
A method for operating a water electrolysis apparatus that comprises an electrolytic bath for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolytic bath is guided, an oxygen separator to which oxygen generated in the electrolytic bath is guided, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve provided to the vent line, the method comprising: a step for halting electrolysis of water in the electrolytic bath; and a step for determining whether or not a first index indicating the amount of increase in the concentration of oxygen in gas in the hydrogen separator or the concentration of hydrogen in gas in the oxygen separator has exceeded a first threshold after the electrolysis has been halted. When the first index exceeds the first threshold, the pressure in the hydrogen separator or the oxygen separator is lowered to a first prescribed value by opening the vent valve.
Resumen de: AU2024418733A1
Provided is an operation method for a dehumidifier device for dehumidifying hydrogen gas produced by a hydrogen production device. The dehumidifier device comprises; a dehumidifier; a discharge line for discharging hydrogen gas dehumidified by the dehumidifier from the dehumidifier; a dew point measurement line connected to the discharge line; a dew point meter provided on the dew point measurement line; and an inlet valve and an outlet valve provided on opposite sides of the dew point meter on the dew point measurement line. The method includes: a stop step of stopping discharge of the hydrogen gas from the dehumidifier to the discharge line; and a maintenance step of maintaining a state in which a dew point meter installation part including at least a installation place of the dew point meter on the dew point measurement line is filled with dry gas when the discharge of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Resumen de: US20260103814A1
A water electrolysis electrode includes an electroconductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the electroconductive substrate. The layered double hydroxide layer includes a roughness layer. In the layered double hydroxide layer, the proportion of the thickness of the roughness layer to the thickness of the layered double hydroxide layer is 4.8% or more.
Resumen de: US20260106196A1
A hydrogen generation unit generates hydrogen by reacting a hydrogen carrier with a water-containing liquid. A main body includes the hydrogen generation unit. A collection container is attachable to and detachable from the main body, and collects a composition containing a byproduct generated together with hydrogen in the hydrogen generation unit. A detection unit detects a collected amount of the composition collected from the hydrogen generation unit by the collection container. A storage unit is provided on the collection container and stores information regarding the collected amount.
Resumen de: WO2026077765A1
The present invention relates to a method of manufacturing a coated nickel substrate for use as an alkaline oxygen evolution anode, the coated nickel substrate obtainable by the method and the use of the coated nickel substrate as an alkaline oxygen evolution anode in an alkaline water electrolyser.
Resumen de: AU2024352660A1
The present invention relates to an integrated system for demineralization and/or purification of water and for the simultaneous production of hydrogen comprising a heat-dissipating element thermally connected to a system for demineralization and/or purification of water which is hydraulically connected to an electrochemical cell producing hydrogen, wherein the system for demineralization and/or purification of water is a system operating through the principle of thermal distillation via membrane and comprises at least two units, each comprising a first chamber, inside which waste water to be demineralized and/or purified flows under pressure and a second chamber, inside which demineralized and/or purified water flows under pressure in the opposite direction with respect to the direction of flow of the waste water, the two chambers being separated by a preferably microporous hydrophobic membrane, wherein the at least two units are placed thermally in series and hydraulically in parallel with continuous flow, wherein each unit is hydraulically connected to a source of waste water and a source of demineralized and/or purified water, in particular wherein each first chamber comprises an inlet portion, hydraulically connected to the source of waste water, for introduction into the first chamber of waste water, while each second chamber comprises an inlet portion, hydraulically connected to the source of demineralized and/or purified water, for introduction into the second chamber
Resumen de: WO2026078971A1
This ammonia decomposition catalyst comprises a core-shell carrier which has a core-shell structure that comprises a core which contains a core-forming material and a shell which contains a shell-forming material and covers the core, wherein: the shell-forming material in the shell carries a catalytically active metal and a reaction accelerator; the core-forming material is at least one selected from the group consisting of cordierite, α-alumina, silica, silica alumina, and silicon carbide; the shell-forming material is at least one selected from the group consisting of γ-alumina, θ-alumina, and cerium oxide; the catalytically active metal is at least one selected from the group consisting of Ru, Ni, Fe, and Co; and the reaction accelerator is at least one selected from the group consisting of alkali metals, alkaline earth metals, and rare earth elements.
Resumen de: WO2026079834A1
The present invention relates to a manufacturing apparatus comprising a recirculation line of hydrogen generated during the manufacture of methane and solid carbon from carbon dioxide, a manufacturing method using same, and solid carbon manufactured thereby. More specifically, the manufacturing apparatus comprises: a gas supplier for supplying a mixed gas comprising carbon dioxide and hydrogen; a first reactor for synthesizing carbon dioxide and hydrogen in the mixed gas supplied from the gas supplier into hydrocarbons according to a controlled supply ratio; a first gas separator for separating hydrocarbons from products and unreacted materials of the first reactor; a second reactor for generating solid carbon through decomposition of the hydrocarbons separated by the first gas separator; a second gas separator for recovering and storing hydrocarbons through gas separation of gas generated after reaction and unreacted hydrocarbons from the second reactor; and a recirculation line for recirculating at least one of gas by-products, unreacted carbon dioxide, and hydrogen generated from the first reactor, the first gas separator, the second reactor, and the second gas separator to the gas supplier.
Resumen de: WO2026078368A1
An electrolyser and a method for operating the electrolyser for producing hydrogen are provided. The electrolyser and method mitigate performance degradation commonly 5 resulting during shutdown periods. The electrolyser comprises a stack of electrolysis cells, a primary power supply and a secondary power supply. During periods of operation the electrolyser is adapted to produce hydrogen when an electrical voltage from the primary power supply is applied to the stack, and during periods of non-operation the secondary power supply is configured to apply an electrical voltage to the stack sufficient to inhibit 10 degradation of the stack.
Resumen de: US20260103810A1
An apparatus for generation of carbon dioxide and hydrogen from a saline water source is disclosed. The apparatus includes an anodic compartment, an anode disposed on a first side of the anodic compartment, a cathodic compartment, a cathode disposed on a first side of the cathodic compartment, a first cation permeable fluidic separator disposed on a second side of the anodic compartment, a second cation permeable fluidic separator disposed on a second side of the cathodic compartment, a first center compartment, and a second center compartment. The first center compartment is defined between the second center compartment and the second cation permeable fluidic separator. The second center compartment is defined between the first cation permeable fluidic separator and the first center compartment. The outlet of the first center compartment is one of fluidly connectable to or in fluid communication with the inlet of the second center compartment.
Resumen de: US20260103812A1
Water electrolysis systems are provided with ultra-thin, porous oxide-compound membranes for the production of hydrogen and oxygen product effluent streams. The electrolysis systems include one or more membrane-electrode assemblies with oxide-compound membranes fabricated using atomic layer deposition and wet chemical processes. The membrane-electrode assemblies also include gas diffusion layer and porous transport layer electrodes, and porous hydrogen evolution reaction and oxygen evolution reaction catalyst layers disposed between the electrodes and the membrane. The oxide-compound membranes, composed of SiOx, TiOx, and/or WOx, can increase electrolysis efficiency by 20% at high current densities compared to conventional systems utilizing Nafion. The enhanced performance is in part due to the lower ionic resistance of the oxide-compound membranes that are several orders of magnitude thinner than conventional Nafion membranes (<1 μM), e.g., potential ionic resistances below 0.2 V at current densities of 5 A/cm2 or higher from reduced ohmic losses.
Resumen de: WO2026079698A1
A hydrogen supply system for a ship according to one embodiment of the present disclosure may comprise: an ammonia tank (100) for storing liquid ammonia; a reforming unit (300) for decomposing ammonia supplied from the ammonia tank to produce hydrogen; and a first heat exchanger (210) for raising the temperature of a heat exchange medium, which vaporizes ammonia supplied from the ammonia tank through heat exchange, by heat exchange with seawater.
Resumen de: WO2026080664A1
Large scale harvesting of renewable energy is proposed by using floating devices which use solar, wind, ocean current, and wave energy to produce compressed hydrogen by electrolysis of deep sea water. Natural ocean currents and winds are used to allow the devices to gather energy from over a large area with minimum transportation cost. The present approach uses a combination of well understood technologies in an optimized manner and at scale. Hydrogen produced in this manner would pave the way for carbon free energy economy.
Resumen de: WO2024200433A1
The invention relates to a membrane electrode assembly (1) for a water electrolysis cell, comprising an anode (2), a cathode (3) and a hydrocarbon membrane (4) located between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5), which is arranged between the anode (2) and the hydrocarbon membrane (4), wherein at least one adhesion layer (6) is arranged between the gas recombination layer (5) and the hydrocarbon membrane (4), wherein the adhesion layer (6) comprises at least one ceramic material (7) and a proton-conductive polymer (8).
Resumen de: EP4477783A1
0001 Es wird ein Verfahren (100) zur Herstellung von Wasserstoff und/oder Sauerstoff durch Elektrolyse vorgeschlagen, bei dem eine Elektrolyseeinheit (10) mit Gleichstrom (2) gespeist wird, der unter Verwendung eines Gleichrichters (20) aus Wechselstrom (1) bereitgestellt wird, wobei die Elektrolyseeinheit (10) unter Verwendung eines Wasserkreislaufs (110) mit Wasser gespeist wird. Es ist vorgesehen, dass der Gleichrichter (20) unter Verwendung von Kühlwasser gekühlt wird, das unter Verwendung eines Teilstroms (5) von in dem Wasserkreislauf (110) geführtem und/oder dem Wasserkreislauf zugeführtem Wasser bereitgestellt wird. Eine entsprechende Anlage ist ebenfalls Gegenstand der vorliegenden Erfindung.
Resumen de: AU2024285985A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Resumen de: KR20260050530A
0001a 가열기 및 이를 포함하는 수소 생산 시스템이 제공된다. 본 발명의 일 측면에 따른 가열기는, 가열 대상이 되는 유체가 유입되는 제1 유입구와, 상기 유체가 유출되는 제1 유출구 및 상기 제1 유입구와 상기 제1 유출구를 연결하는 제1 유로를 구비하는 제1 파이프; 상기 제1 유출구로부터 유출된 상기 유체가 유입되는 제2 유입구와, 상기 유체가 유출되는 제2 유출구 및 상기 제2 유입구와 상기 제2 유출구를 연결하는 제2 유로를 구비하는 제2 파이프; 상기 제2 파이프의 적어도 일부가 내부에 수용되는 하우징; 및 상기 하우징 내에서 유동하는 상기 유체를 가열하는 가열 유닛;을 포함하되, 상기 제2 파이프는 상기 제1 파이프를 관통하여, 상기 제1 유로 내에서 유동하는 상기 유체가 상기 제2 유로 내에서 유동하는 상기 유체와 열교환할 수 있다.
Resumen de: EP4726075A1
0001 The invention provides an anode catalyst for electrolysis, in particular for (PEM)-based water electrolysis. The catalyst is a ruthenium oxide catalyst doped with one or more metals, having the general formula RuM<1-a>O
Resumen de: EP4726079A1
The present disclosure relates to methods for obtaining ceramic electrodes. The methods comprise providing a porous ceramic matrix comprising an inner matrix extending between a first outer surface and a second outer surface, and forming a cathode assembly, wherein the cathode assembly comprises a first electrode and the porous ceramic matrix, and wherein the assembly is formed contacting the first electrode at least with a portion of the second outer surface. The method further comprises providing a second electrode, immersing the cathode assembly and the second electrode in an electrolyte solution, and electroplating the ceramic matrix, wherein electroplating comprises applying an electric potential to the first and second electrodes, wherein the second electrode is an anode, such that cations in the electrolyte solution pass through the first outer surface and the inner matrix and deposit onto the portion of the second outer surface contacting the cathode. The method further comprises applying an electric potential to the ceramic matrix.
Resumen de: EP4726947A1
Green-hydrogen plants, connected to weak power grids in geographically remote areas, are prone to frequency fluctuations and instability due to the variability in renewable-energy generation. Disclosed embodiments provide balancing control within the green-hydrogen plant to provide both fast frequency response during contingency conditions and automatic frequency regulation during normal conditions. The fast frequency response may be centralized or distributed, and may combine frequency droop response with fast frequency response or synthetic inertial response. The automatic frequency regulation may determine optimal allocations of a total net power adjustment, which compensates a balance control error in the system, to a plurality of different power resources of the green-hydrogen plant. These power resources may comprise electrolyzer plant(s), renewable energy source(s), and/or energy storage system(s).
Resumen de: CN121847188A
本发明涉及一种CdTe/TiO2/g‑C3N4三元复合光催化材料及其制备方法与应用，创新性地采用“两步法”工艺，即“先构建二元支撑体，后负载CdTe”。与现有技术相比，该策略的核心优势在于，使对酸敏感的CdTe完全避免了与阶段I中酸性TBT溶胶的直接接触，从根本上解决了CdTe在传统一步共混或原位合成中易发生的氧化、溶解和结构降解问题，形成了稳定的多级界面耦合结构，可有效促进光生载流子的分离与迁移，提高可见光吸收能力。所得材料在光催化降解亚甲基蓝及其它有机污染物中表现出优于单一或二元体系的催化活性及稳定性，适用于可见光催化降解污染物和光催化制氢等领域。
Resumen de: CN121852991A
0001 本发明公开了一种基于聚多巴胺中间层实现电化学‑机械双重稳定化的电解水催化剂及其制备方法与应用，属于电催化剂材料技术领域。所述电解水催化剂为三维分层结构；所述电解水催化剂包括金属导电基底、聚多巴胺中间层和催化剂层。本发明的合成材料价廉易得，合成流程简便、可控，相较于传统的NiFe‑LDH水热、电沉积等合成方法面临的规模化制备难题，该制备方法节能省时。本发明制备的电解水催化剂中NiFe‑LDH纳米片尺寸明显减小，该结构有利于促进电催化过程中高效的电子转移，并抑制气泡聚合，改善传质动力学。
Resumen de: CN121847196A
0001 本发明公开了一种以剩余污泥为载体的复合光催化材料及其制备方法和应用，该材料以剩余污泥经炭化、酸洗后得到的多孔导电炭为骨架，在其表面原位生长了由CdS纳米核与C<3>N<5>壳层构成的核壳结构单元，形成S‑scheme异质结。制备方法主要包括污泥的炭化纯化、CdS的水热原位生长及C<3>N<5>壳层的气相沉积包裹三步。该材料充分利用污泥炭的导电网络与异质结的电荷分离优势，在可见光下表现出优异的析氢活性和稳定性，实现了剩余污泥的高值化利用，为高效、低成本的光催化制氢提供了新材料。
Nº publicación: CN121853066A 14/04/2026
Solicitante:
广州高新区能源技术研究院有限公司
Resumen de: CN121853066A
0001 本发明公开了一种高压高纯氢气制氢加氢一体机，应用于制氢加氢技术领域，包括底座、电解槽、两组储氢罐和水循环机构，所述电解槽上设置有进水口一、氢气出口一、氧气出口和氢气出口二；所述水循环机构包括三通管一、两组过滤器一、两组纯水罐、分流器一、蓄水箱、分流器二、两个原水罐、支撑架二和两组过滤器二，所述三通管一包括三个通口一，所述三个通口一分别与进水口一和两组过滤器一管路连接，所述三通管一与两组过滤器一连接的管路上设置有电磁阀一；两组所述过滤器一分别与两组纯水罐的出水口一管路连接，所述过滤器一与出水口一连接的管路上设置有真空泵一；本发明，能够构建一个高效、闭环且智能的水资源管理系统。
BOPI
Sede Electrónica
