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1127
results.
Updated on
22/08/2026 [07:04:00]
Results 750 to 775 of 1127
Absstract of: DE102025150477A1
Die vorliegende Anmeldung stellt ein Wärmemanagementsubsystem für ein Elektrolysesystem bereit, das einen erste Wärmetauscher, der dazu konfiguriert ist, thermisch mit einer Abflussrohrleitung gekoppelt zu werden, einen zweiten Wärmetauscher, der dazu konfiguriert ist, thermisch mit einer Versorgungsrohrleitung gekoppelt zu werden, und eine Antriebseinrichtung zum Antreiben eines Kühlmediums zum Fließen umfasst. Der erste und zweite Wärmetauscher sind dazu konfiguriert, auf einem Flusspfad des Kühlmediums angeordnet zu werden, so dass Wärme mit dem Kühlmedium ausgetauscht wird. Die Antriebseinrichtung ist zum selektiven Arbeiten in einem ersten Modus oder einem zweiten Modus in der Lage. In dem ersten Modus treibt die Antriebseinrichtung das Kühlmedium zum Fließen in einer ersten Richtung an und befindet sich der erste Wärmetauscher stromabwärts von dem zweiten Wärmetauscher in der ersten Richtung. In dem zweiten Modus treibt die Antriebseinrichtung das Kühlmedium zum Fließen in einer zweiten Richtung entgegengesetzt zu der ersten Richtung an und befindet sich der erste Wärmetauscher stromaufwärts von dem zweiten Wärmetauscher in der zweiten Richtung. Das Wärmemanagementsubsystem kann den Energieverbrauch und die Herstellungskosten des Elektrolysesystems reduzieren und die Energienutzungseffizienz davon erhöhen. Die vorliegende Anmeldung stellt auch ein Elektrolysesystem bereit, das ein solches Wärmemanagementsubsystem umfasst.
Absstract of: AU2024430968A1
Provided are: an electrolysis device for reducing a circulating current through a grounding wire; a method for controlling the electrolysis device; and a control program for the electrolysis device. This electrolysis device (1) includes an electrolysis cell (100) having a plurality of rectifiers (20) and a plurality of cell stacks (10) having a common positive electrode, wherein the respective positive electrodes of the cell stacks (10) are connected to respective positive electrodes of the rectifiers (20) installed in parallel, respective negative electrodes of the cell stacks (10) are connected to respective negative electrodes of the rectifiers (20), and a balance cable (80) for connecting the negative electrode of at least one of the cell stacks (10) and the negative electrode of at least one of the other cell stacks (10) is provided.
Absstract of: AU2024397101A1
The invention relates to an electrolytic cell (01) for the electrolysis of CO2, comprising a cathode side (02) and an anode side (03). The electrolytic cell (01) comprises a cathode plate (04), a gas chamber (06), a gas-diffusion layer (08), a catalyst layer (09), a water chamber (07) and an anode plate (05). The contacting of the catalyst layer (09) is optimized by using a plurality of current bridges (10). To this end, these current bridges (10) are electrically conductively connected to the cathode plate (04) and to the catalyst layer (09) while penetrating the gas-diffusion layer (08).
Absstract of: WO2026139765A1
A process for producing hydrogen comprises a first operation mode and a second operation mode; the first operation mode comprises the steps of: producing CO in gaseous form by electrolysis in electrolytic cells supplied with energy and CO2; using a portion of the CO produced by electrolysis in a CO conversion step together with H2O, for example in a conversion step by water-gas shift reaction or an electrolysis conversion step of CO and H2O, where CO is converted to CO2 and H2 is produced; storing the remaining portion of the CO in a storage, optionally in liquid form after a liquefaction step; the second operation mode comprises the steps of taking CO, stored in the first operation mode, from the storage and using it, together with H2O, in the CO conversion step, for example in a conversion step by water- gas shift reaction or an electrolysis conversion step of CO and H2O, where CO is converted to CO2 and H2 is produced.
Absstract of: WO2026139767A1
A process for producing synthesis gas (syngas), to be used in particular for the synthesis of methanol or GTL hydrocarbons, comprises a first operation mode and a second operation mode; the first operation mode comprises the steps of: producing H2 by a reaction of splitting H2O into H2 and O2; producing CO by a reaction of splitting CO2 into CO and O2; using a first part of the CO obtained from the splitting of CO2 to form, together with H2 produced by water splitting, syngas; using a second part of the CO obtained from the splitting of CO2 in a CO conversion step together with H20, in which a water-gas shift reaction is conducted to convert CO into CO2 and produce H2, resulting in syngas; storing a third part of the CO in a storage; in the second operation mode, conducted alternatively to the first operation mode, CO stored in the first operation mode is taken from the storage and used, together with H2O, in a CO conversion step, in which the water-gas shift reaction is conducted to convert CO to CO2 and produce H2, resulting in syngas.
Absstract of: WO2026139895A1
A system for generating hydrogen, comprises an elongated reaction chamber configured for receiving a slurry containing water and a redox active powder and forming oppositely directed flows of the slurry, a first outlet downstream of an inner flow of the flows, for discharging a first liquid stream comprising hydrogen enriched water and suspended reduced-form particulates derived from the redox active powder in a shear layer between the flows, a second outlet downstream of a peripheral flow of the flows, for discharging a second liquid stream comprising oxygen‑enriched water and suspended oxidized‑form particulates derived from the redox‑active powder in the shear layer, and a power source configured to apply negative bias to the first outlet relative to the chamber.
Absstract of: WO2026142736A1
A portable apparatus for generating and storing hydrogen water includes a reservoir for water that includes a neck and mouth at a top end, an opening on the bottom end, and one or more lateral sides. The apparatus further includes a hydrogen generating unit, having a top, a bottom, and lateral sides. The top end of the hydrogen generating unit is attached to the bottom end of the reservoir. A shell surrounds the bottom end of the hydrogen generating unit, the lateral sides of reservoir, and the top end of the reservoir surrounding the neck of the reservoir.
Absstract of: US20260187735A1
0000 By capturing un-utilized electric generating capacity at electric generating plants and other sources, then immediately using it to split water into oxygen and hydrogen to create stored energy, and using neutral nitrogen (N2) extracted from the atmosphere to reduce the explosive powers of hydrogen below that of gasoline, the carbon-free nitrogen-hydrogen fuel (NHV) created can be used in today's gasoline vehicles with modified tanks and carburetors and/or to generate additional electricity “on demand” without creating any CO2 air pollution. 0000 Although hydrogen has a lower level of flammability (a lower percentage of concentration in the atmosphere before it ignites) it also has a greater explosive power. Unlike today's EVs that take considerable time to recharge at recharging stations along our highways, an (NHV) would take about the same amount of time that it takes to refuel today's gasoline vehicles.
Absstract of: WO2026140816A1
A separator for alkaline-water electrolyses which comprises woven fabric and a porous material other than the woven fabric, the separator having a membrane thickness of 100-250 μm, wherein the woven fabric has a percentage of openings of 45.0-72.0%; an alkaline-water electrolysis member; an alkaline-water electrolysis cell; an alkaline-water electrolysis device; and a method for producing hydrogen.
Absstract of: WO2026141244A1
This power reception device is supplied with a first positive electrode fluid and a negative electrode fluid, and is capable of producing hydrogen by an electrolytic reaction of water. The negative electrode fluid contains a hydrogen storage alloy, and can be operated in a first state in which the hydrogen storage alloy stores hydrogen generated by the electrolytic reaction, and in a second state in which the hydrogen storage alloy generates hydrogen.
Absstract of: WO2026139866A1
The present invention relates to a method and system of producing hydrogen gas using a water electrolyser cell that comprises both a catalytic reactor and polymer electrolyte membrane (PEM) electrolyser stack of cells. Oxygen generated by the PEM electrolyser stack may be recycled. The system and method include controlling the concentration of hydrogen in the anode compartment of the PEM electrolyser stack by varying the amount of recycled oxygen.
Absstract of: WO2026140263A1
The present invention comprises: a reactor (2) having a reducing agent for reducing a raw material gas to generate a product gas; a hydrogen generator (3) for generating a reducing gas for reducing the reducing agent; a raw material gas supply path (41) for sending the raw material gas to the reactor; a reducing gas supply path (42) for sending the reducing gas from the hydrogen generator to the reactor; a product gas discharge path (43) for discharging the product gas generated in the reactor; a reuse gas discharge path (44) for discharging, from the reactor, a reuse gas generated from the reducing agent reduced by the reducing gas, and sending the reuse gas to the hydrogen generator; a supply gas switching unit (60) for switching the path of the gas sent to the reactor; and a discharge gas switching unit (70) for switching the path of the gas discharged from the reactor.
Absstract of: WO2026140652A1
This water electrolysis system has a plurality of DC power supplies and a plurality of water electrolysis stacks connected to the plurality of DC power supplies. The water electrolysis system comprises an operation control unit that individually controls the currents of the plurality of DC power supplies. The operation control unit is configured to individually control the currents of the plurality of DC power supplies so that either the average value of the stack voltages or the average value of the cell voltages of the plurality of water electrolysis stacks decreases according to a designated hydrogen production amount. Accordingly, hydrogen can be produced with high efficiency in consideration of variations in the initial performance and performance deterioration of the water electrolysis stacks.
Absstract of: WO2026142354A1
The present invention relates to an electrolyte membrane comprising a bipolar metal selective proton conductor. A hydrogen storage alloy is introduced therein to conduct, without hydration, protons, thereby enabling crossover to be completely blocked, and has excellent mechanical strength, and thus can replace a conventional Nafion electrolyte membrane. In addition, if the electrolyte membrane is applied to a proton-exchange membrane for a fuel cell, electrochemical performance of the fuel cell can be improved.
Absstract of: US20260186480A1
0000 A multi-module matrix control system dynamically manages the operation of electrolyzers across modules to optimize power allocation and maximize efficiency. Each module operates as an independent unit with multiple electrolyzers and corresponding power sources, utilizing linear and nonlinear algorithms for load distribution. The system includes innovative rotation strategies to balance wear and ensure longevity, fault prediction for proactive maintenance, and real-time adjustments to adapt to power input fluctuations. With three operational modes—Peak Performance, Dynamic Equilibrium, and Energy Conservation—the system seamlessly transitions between states based on power availability. This control approach enhances hydrogen production scalability, minimizes energy consumption, and ensures stable, efficient operation under varying conditions, making it ideal for applications ranging from megawatt to gigawatt-scale systems.
Absstract of: US20260183731A1
0000 This specification discloses an ammonia decomposition reactor comprising a plurality of reaction chambers, a passage, an inlet and outlet, and a plurality of flat plate-type heaters. According to the exemplary embodiments of the present invention, the hydrogen production rate can be maximized relative to the weight and volume of the system, and the heaters can be individually controlled, providing the effect of facilitating heat management.
Absstract of: WO2026141806A1
An embodiment of the present invention provides a rhenium-based highly concentrated hydrated hydrazine decomposition catalyst for highly efficient hydrogen production and a method for preparing same. According to an embodiment of the present invention, there is an effect of providing a high-performance hydrated hydrazine decomposition catalyst having up to 100% hydrogen selectivity for concentrated hydrated hydrazine while generating only hydrogen (H2) and nitrogen (N2) molecules as a result of a reaction.
Absstract of: WO2026140362A1
Provided are a substrate tube capable of suppressing waste of a functional film material and a supply gas and achieving both mechanical strength and weight reduction, an electrolysis cell stack provided with the same, an electrolysis cell cartridge and an electrolysis cell module, and a manufacturing method of the electrolysis cell stack. A substrate tube (10) according to the present disclosure includes: a honeycomb structure part (11) having a tubular outer peripheral wall (13), a tubular inner peripheral wall (14) coaxially disposed on the inner side of the outer peripheral wall (13), and a partition wall (15) defining a plurality of hole portions (16) between the outer peripheral wall (13) and the inner peripheral wall (14); and a hollow part (12) having an outer contour defined by the inner peripheral wall (14). The honeycomb structure part (11) has an outer peripheral hole group (17) in which some of the plurality of hole portions (16) are arranged in an annular shape along the outer periphery of the substrate tube (10), and an inner peripheral hole group (18) in which the rest of the plurality of hole portions (16) are arranged in an annular shape on the inner side in the radial direction of the substrate tube (10) with respect to the outer peripheral hole group (17). The cross-sectional area of each hole portion (19) of the outer peripheral hole group (17) is 2 to 13 times larger than the cross-sectional area of each hole portion (20) of the inner peripheral hole grou
Absstract of: WO2026141293A1
Provided is a solid polymer electrolyte membrane that has high durability during electrolysis. Provided is a solid polymer electrolyte membrane which contains a fluorine-containing polymer that comprises a unit represented by a specific formula (1). In the infrared spectrum of the fluorine-containing polymer, the ratio of the maximum absorbance I1690 at 1690 ± 10 cm-1 to the maximum absorbance I2350 at 2350 ± 30 cm-1 is 0.150 or less. By Raman spectroscopy, when a cross section in the thickness direction is irradiated with polarized light orthogonal to the thickness direction to obtain a spectrum chart, A1 is the ratio of the peak area a2 of 680 to 760 cm-1 to the peak area a1 of 1025 to 1095 cm-1, and when the cross section in the thickness direction is irradiated with polarized light parallel to the thickness direction to obtain a spectrum chart, B1 is the ratio of the peak area b2 of 680 to 760 cm-1 to the peak area b1 of 1025 to 1095 cm-1, and the ratio of B1 to A1 is 1.05 or more.
Absstract of: US20260184561A1
Methods and systems for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur (S). The method includes passing a H2S-containing feed gas stream through one or more membrane reactors to contact the H2S-containing feed gas stream with a H2S decomposition catalyst of a hydrogen-permeable membrane, thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ, a H2 permeate gas stream, and a retentate gas stream. The hydrogen-permeable membrane allows only H2 to pass through in the formation of the H2 permeate gas stream. The S is present in the retentate gas stream in the form of a vapor.
Absstract of: WO2026141825A1
The present invention relates to an oxygen evolution electrode catalyst comprising bismuth (Bi), wherein the bismuth exists together with iridium or an iridium compound to provide improved durability in an oxygen evolution reaction.
Absstract of: US20260185250A1
A porous transport layer (PTL) may include a porous structure having a first region having a first porosity and a second region having a second porosity less than the first porosity, the first region is configured to allow conduction of electrons within a catalyst layer of the electrochemical cell, to channel water and gases in the catalyst layer, the porous structure having a top face in contact with a flow field of the electrochemical cell and a first and second bottom face, the first bottom face being a bottom face of the first region and the second bottom face being a bottom face of the second region offset the bottom face of the first region in a thickness direction of the porous structure, and the second region configured to provide mechanical stability to a membrane portion of the electrochemical cell adjacent to the first bottom face.
Absstract of: US20260185254A1
0000 There is provided an insulating piping configured by a double tube including an inner tube that connects a water electrolysis stack and an auxiliary machine and through which a fluid flows, and an outer tube provided on an outer side of the inner tube via the inner tube and an outer tube inner space; in which the outer tube has an insulating property, the water electrolysis stack and the auxiliary machine are insulated from each other in the inner tube, and a dry gas having a humidity of less than or equal to a predetermined value is enclosed in an outer tube inner space that is the space at a pressure of the fluid flowing inside the inner tube and a pressure higher than an atmospheric pressure.
Absstract of: WO2025049352A2
This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.
Nº publicación: KR20260101880A 01/07/2026
Applicant:
UNIV KOREA RES & BUS FOUND [KR]
\uACE0\uB824\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8
Absstract of: KR20260101880A
0001a 본 발명은 RuOx 기반의 OER 촉매 위에 Co protective layer를 플라즈마 원자층 증착 공정을 통해 증착하는 수소 생산용 촉매 전극과 ATO 층 위에 RuOx를 가열 원자층 증착 공정으로 증착하고, 그 위에 Co protective layer를 플라즈마 원자층 증착 공정으로 증착하는 수소 생산용 촉매 전극의 제조 방법을 개시한다.
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