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744
results.
Updated on
14/09/2026 [07:03:00]
Results 550 to 575 of 744
Absstract of: US20260209961A1
0000 A small scale high-pressure electrolyzer for generating hydrogen and oxygen is provided comprising one or more units each comprising a plurality of high-pressure electrolytic cells, wherein the electrolytic cells of each unit are electrically connected in series, as well as a central electrolyt header, functionally connected to each electrolytic cell for the supply of liquid electrolyt to the cell; a central hydrogen header connected to each electrolytic cell for the discharge of generated hydrogen from the cell; a central oxygen header connected to each electrolytic cell for the discharge of generated oxygen from the cell; a direct current power source for the power supply to each unit of serially connected electrolytic cells; wherein the units of serially connected electrolytic cells are electrically connected in parallel.
Absstract of: AU2024424628A1
This titanium porous body is in the form of a sheet. In the titanium porous body, the maximum height Rz of at least one surface is 5 μm or less, the irreversible deformation amount during pressure application at 100 MPa is 0.2% or less, and the thickness is 500 μm or less.
Absstract of: 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.
Absstract of: US20260209956A1
0000 A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).
Absstract of: US20260209141A1
0000 A hydrocarbon production system that generates a hydrocarbon having two or more carbon atoms from methane by an oxidative coupling reaction of methane is a hydrocarbon production system including: an oxidative coupling reaction device configured to perform an oxidative coupling reaction between methane and oxygen; a raw gas separation device configured to separate an inert component from a raw gas containing the inert component; a carbon dioxide separation device configured to separate carbon dioxide contained in a generated gas generated in the oxidative coupling reaction device; and a methanation device configured to perform a methanation reaction between hydrogen and carbon dioxide.
Absstract of: US20260213538A1
0000 A power balancing system and process is provided, in which a first electrolysis unit (10) outputs a first hydrogen rich stream (11), which is converted in a methanol synthesis plant (20) to a first methanol-rich stream (21). A methanol storage unit (40) receives and stores the first methanol-rich stream (21). When additional electrical power is required, methanol from the methanol storage unit (40) can be used for power generation. The system and process allow excess electrical power to be converted into and stored as methanol during periods of low demand, and used to generate electrical power when demand is higher.
Absstract of: US20260213228A1
0000 A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.
Absstract of: WO2026156297A1
Electrochemical devices and associated methods are disclosed for reacting carbon oxides. These devices may include an ion exchange membrane, a cathode, a copper catalyst located on the cathode, a cathodic solution in contact with the ion exchange membrane and the cathode, an anode, a second catalyst located on the anode, an anodic solution, and a cathodic gas in contact with the cathodic solution. The cathodic gas may include hydrogen, ethylene, and an oxide of carbon. The cathode may be configured as a gas diffusion electrode.
Absstract of: WO2026155798A2
Catalyst compositions, methods of making a bimetallic nanofoam catalyst composition, and methods of catalyzing a reaction are described. In an example, the catalyst comprises a nanofoam comprising plurality of intertwined nanowires comprising two or more metals. In an example, the nanofoam comprises a three-dimensional interconnected nanonetwork comprising the plurality of intertwined nanowires. In an example, the nanofoam is an aerogel comprising the plurality of intertwined nanowires. In an example, the nanofoam is self-supported, such as where the catalyst composition does not comprise a substrate supporting the nanofoam.
Absstract of: US20260209969A1
0000 An alloy catalyst, comprising 0.01 wt % to 30.0 wt % of Zn, 50.0 wt % to 99.9 wt % of other metals, and 0.0 wt % to 20.0 wt % of noble metals, wherein the other metals comprise at least one metal selected from a group consisting of Ni, Fe, Mo, and Co. The alloy catalyst features a porous structure formed through dealloying. The alloy catalyst of the present disclosure exhibits low overpotential, low Tafel slope, and high stability.
Absstract of: US20260209974A1
In a water electrolysis system, second current collectors of a plurality of water electrolysis cells each include a cut into which a gas generated in a second electrode catalyst layer flows and which communicates with a gas outlet path and canresonate a sound. The water electrolysis system includes a sound output device that outputs a sound to the gas outlet path, and a sound detection device that detects a resonant sound generated by resonation, in the cut, of the sound propagated from the sound output device to the cut via the gas outlet path. In the plurality of water electrolysis cells, the resonant frequencies of thesound in the cuts are different from each other.
Absstract of: US20260209964A1
An electrolysis system has an electrolyzer, an on-load tap changing transformer, and at least two line-commutated converters, preferably IGBT converters. The on-load tap changing transformer receives an electrical power from an electrical power source and provides an electrical power output to the line-commutated converters. The line-commutated converters are electrically connected in parallel between the on-load tap changing transformer on a AC side and an electrolyzer on a DC side and convert the electrical power output into an electrical power input for the electrolyzer. The converters are connected to the same transformer AC bus. In a ramping phase of the electrolyzer a voltage of the power input is adjusted by only one of the parallel-connected converters to a tap changing voltage and the other converter stays in a stand-by mode. There are also described power supply, a controller, computer program and a related electrolyzer system.
Absstract of: WO2026154223A1
The invention relates to an electrolysis cell, which includes a spacer (50) that is configured to support a separator, extends between a first and a second face (51, 52), and comprises: an inlet (7) and an outlet (8) configured to allow water to circulate within the electrolysis cell; a recess (9) which is intended to be occupied by the separator and is in fluid communication with the inlet and the outlet; a first primary groove (10) which is formed in a thickness of the spacer, opens onto the first face and extends around the recess, the inlet, and the outlet, to accommodate a first sealing member; a first secondary groove (60) which is formed in a thickness of the spacer, opens onto the first face and extends around the first primary groove to accommodate a first sealing device; and a through-hole (70) between the first and the second face, which through-hole is arranged between the first primary and secondary grooves.
Absstract of: WO2026154256A1
The invention provides a hydrogen production device for producing hydrogen gas from ammonia, comprising: an outer chamber comprising an outer chamber wall, one or more inner chambers disposed at least partially within the outer chamber, each of the one or more inner chambers comprising a first inner chamber wall and a second inner chamber wall defining an inner subchamber having an inner subchamber internal volume, each second inner chamber wall comprising one or more fins extending therefrom into the inner subchamber, each inner subchamber comprising ammonia decomposition catalyst and having one or more ammonia gas inlets and one or more raw cracked gas outlets, wherein each of the one or more inner chambers has an internal surface area defined as the inner subchamber internal volume facing surface of the second inner chamber wall and the inner subchamber internal volume facing surface of each of the one or more fins; wherein the ratio of the internal surface area in mm2 to the inner subchamber internal volume in mm3 is between approximately 1:2 and 1:6. Also provided are systems comprising said device.
Absstract of: KR20260114906A
본 발명은 암모니아 산화 분해용 촉매의 제조방법, 암모니아 산화 분해용 촉매 및 암모니아 산화 분해 공정에 관한 것으로, 본 발명에 따른 암모니아 산화 분해용 촉매의 제조방법은, 알루미나에 루테늄을 담지하여 담체를 획득하는 단계; 상기 담체를 건조하는 단계; 상기 건조한 담체를 열처리하는 단계; 상기 열처리한 담체에 지르코늄을 담지하여 혼합 담체를 획득하는 단계; 상기 혼합 담체를 건조하는 단계; 상기 건조한 혼합 담체를 열처리하는 단계; 및 상기 열처리한 혼합 담체를 환원하는 단계;를 포함한다.
Absstract of: KR20260114651A
0001a 본 발명은, 전해조; 상기 전해조로부터 생성된 수소를 저장하는 수소 저장부; 상기 수소 저장부에 저장된 수소를 전달받아 전기 에너지를 발생 및 공급하는 수소 연료전지; 및 상기 전해조에서 사용된 물을 전달받아 외부로 공급하는 온수탱크;를 포함하며, 상기 전해조는, 수소발생량, 수소압력, 전류밀도, 반응면적, 셀수, 셀 간 거리는, 각각, 7Nm3/hr, 40barg, 2.0A/cm2, 1000cm2, 10cell, 10cm 인 고압 수전해 스택(stack)을 포함하는 것을 특징으로 한다.
Absstract of: KR20260114640A
0001a 본 발명은, 암모니아 분해 활성이 우수한 니켈 담지형 알루미나 촉매 및 이의 제조방법에 관한 것으로, 더욱 상세하게는 낮은 온도에서 암모니아를 수소와 질소로 분해가 우수한 암모니아 분해 활성이 우수한 니켈 담지형 알루미나 촉매 및 이의 제조방법에 관한 것이다.
Absstract of: WO2026154283A2
A drinking container is disclosed having a hydrogen-generation compartment isolated from a drinking-fluid chamber. Hydrogen gas accumulates until a threshold pressure opens a one-way valve, releasing the gas into the chamber while preventing backflow of liquid. In some embodiments, the gas passes through an intermediate chamber and porous mesh to form fine bubbles for dissolution. Mixing assemblies, magnetic impellers, oxygen vents, and controlled power delivery may be incorporated to enhance infusion efficiency, user control, and system safety.
Absstract of: US20260209955A1
0000 A method of operating an electrolyzer system includes providing steam to a plurality of hydrogen generation modules (HGMs), each containing at least one electrolyzer cell stack or column of stacks, electrolyzing the steam in the plurality of HGMs to generate hydrogen and oxygen, supplying at least a first portion of a hydrogen-containing product feed from the plurality of HGMs to a recycling conduit, and recycling at least a first portion of the hydrogen-containing product feed to the plurality of HGMs.
Absstract of: US20260209962A1
An electrolysis cell includes: a first separator including a first surface; a second separator including a second surface facing the first surface; an ion-exchange membrane; a first power feeder disposed between the first separator and the ion-exchange membrane; a first catalyst layer disposed between the first power feeder and the ion-exchange membrane; a second power feeder disposed between the second separator and the ion-exchange membrane; a second catalyst layer disposed between the second power feeder and the ion-exchange membrane; and a flow direction changing part provided as a part of the first separator or disposed between the first separator and the first power feeder, the flow direction changing part changing a flow direction of at least a portion of an electrolyte flowing along the first surface in a first direction to a second direction intersecting the first surface at each of a plurality of positions in the first direction.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Nº publicación: EP4778615A1 22/07/2026
Applicant:
CHANGCHUN GREEN DRIVE HYDROGEN TECH CO LTD [CN]
Changchun Green Drive Hydrogen Technology Co., Ltd.
Absstract of: 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
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