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1053
results.
Updated on
15/07/2026 [07:26:00]
Results 25 to 50 of 1053
Absstract of: GB2645004A
The present invention relates to a system and method for generating and providing hydrogen to a combustion engine, and for controlling the generation and provision of hydrogen to a combustion engine; comprising a combustion engine; an electrolysis cell for converting water into hydrogen gas and oxygen gas, wherein the electrolysis cell is at least fluidly connected to the combustion engine; an electronic process control system is operatively connected to the electrolysis cell to control the generation of hydrogen gas and delivery of hydrogen gas to the combustion engine; and an enclosure comprising an explosion protection system and/or walls of glass fibre or carbon fibre reinforced thermosetting polymer or metallic material, and wherein the enclosure comprises at least part of the electronic process control system.
Absstract of: EP4772676A1
0001 The present disclosure discloses a hydrogen generator. The hydrogen generator includes a housing, and an electrolyzer, an electrolyte tank, a gas-liquid separator, and a purification apparatus mounted in the housing. A diaphragm of the electrolyzer is an anion-exchange membrane. The electrolyzer is in communication with the electrolyte tank through a pipeline. The gas-liquid separator is provided with a first gas inlet and a third gas outlet. The first gas inlet is in communication with a first gas outlet of the electrolyzer through a pipeline. The purification apparatus is provided with a second gas inlet. The third gas outlet is in communication with the second gas inlet through a pipeline.
Absstract of: GB2644965A
An apparatus 1 for generating hydrogen, which comprises a housing 10 with a first electrode 11 and a second electrode 12. Each of the electrodes is submersed in water located within the housing 10. The first electrode 11 surrounds the second electrode 12, in a concentric manner. The first electrode 11 is cylindrical form and the second electrode 12 is of part-conical or frusto-conical form. The first electrode 11 may be an anode and the second electrode 12, a cathode. The housing 10 can comprise glass such as borosilicate glass and be of cylindrical or cuboidal form. The anode 11 may comprise stainless steel mesh and the cathode can comprise of be coated with one or metals of the group: rhenium, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, copper and gold.
Absstract of: WO2025045387A1
The invention relates to a method and a system (100) for producing a hydrogen-containing product, wherein ammonia (2) is reacted in an ammonia cracker (20) to which heat is supplied, wherein the ammonia cracker (20) has a catalyst bed with at least two catalyst segments (20a, 20b, 20c), wherein in a first catalyst segment (20a) a fraction of the ammonia (2) is reacted at a first minimum temperature (T1) using a first catalyst and in a second catalyst segment (20b), which is downstream of the first catalyst segment (20a), a further fraction of the ammonia (2) is reacted at a second minimum temperature (T2) using a second catalyst. The invention is characterised in that the first minimum temperature (T1) is lower than the second minimum temperature (T2).
Absstract of: US12018631B1
0000 An enhanced control of hydrogen injection for internal combustion engine system and method providing greater real-time control of injection of hydrogen from a hydrogen generator, providing a further increase in performance and decrease in emissions of the engine of the motor vehicle. Initial values for parameters defining the optimal percentage amount or pressure of oxyhydrogen to be injected when the engine load is equal to one of several defined levels are entered and then interpolated to produce a curve specifying the amount of oxyhydrogen to be injected at any given engine-load level. Further adjustments to the load-related oxyhydrogen amounts are made for different engine operating temperatures in relation to different engine loads, and for different ambient air pressures related to altitude in relation to different engine loads. The initial values and adjusted values will be different for different engine types and sizes, different fuel types and grades, and other characteristics. The enhanced control of hydrogen injection for internal combustion engine system and method takes account of these engine-specific and operation-specific differences to provide an optimum amount of oxyhydrogen injection across a range of operating and ambient conditions. The operating conditions of engine load, rotational speed, vacuum, and engine temperature, and the ambient conditions of ambient temperature and ambient air pressure related to altitude are monitored in real time by a
Absstract of: EP4772277A1
0001 The present invention provides a heterojunction photocatalyst exhibiting higher catalytic activity and a superior degree of freedom in molecular design than that of a conventional heterojunction photocatalyst. A heterojunction photocatalyst including a solid state mediator between a hydrogen-evolution photocatalyst containing an organic semiconductor and an oxygen-evolution photocatalyst, in which the hydrogen-evolution photocatalyst and the solid state mediator are joined, and the oxygen-evolution photocatalyst and the solid state mediator are joined.
Absstract of: WO2025045669A1
Elementary cell for electrolysis, the elementary anode having a channel for bubbles of a first gas, the elementary cathode having a channel for bubbles of a second gas, wherein the elementary anode and/or the elementary cathode extend locally into the elementary main channel near the mouth, along a downstream portion of the mouth in an average direction of the elementary main channel.
Absstract of: WO2025045323A1
An electrolyzer (5) in a pressure vessel (2) with an electrical conductor assembly (10) extending through a flange cover (25) of the vessel (2). The assembly (10) comprises a gas tight, electrically insulating polymer bushing (11) and a rigid, electrically conducting metal rod (12) through in the bushing (11) for supply of power to the electrolyzer (5).
Absstract of: EP4772677A1
A water electrolysis system and a method for operating the water electrolysis system, capable of providing an adjustment capacity solely by controlling an amount of water supply are provided. A water electrolysis system which applies grid power to a plurality of water electrolysis stacks via a rectifier to provide hydrogen gas and oxygen gas as generated gas from water, and adjusts a power consumption in accordance with a command of a provision of an adjustment capacity. Upon reception of the command of the provision of the adjustment capacity in a contract timeframe in which the provision of the adjustment capacity is contracted, an amount of water supplied to the water electrolysis stack, temperature and pressure of the water electrolysis stack are made controllable in accordance with an amount of power derived from adding an amount of power for the adjustment capacity to be provided to an amount of power consumption of the water electrolysis stacks.
Absstract of: WO2025116600A1
Disclosed is a catalyst for a hydrogen evolution reaction or a hydrogen oxidation reaction, which can be used under alkaline conditions and has significantly improved kinetic properties compared to conventional commercially-available platinum catalysts. The present invention provides a catalyst for electrochemical hydrogen reactions under alkaline conditions, which has 2 to 20 ruthenium atoms supported in an ensemble form on the surface of a molybdenum carbide-carbon nanocomposite support, and a manufacturing method therefor, and a ruthenium-based catalyst electrode comprising the catalyst, which can be used as an electrode for anion exchange membrane-based water electrolysis cells and fuel cells.
Absstract of: WO2025132806A1
A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order: - an optional porous polymer layer (200), - a non-porous alkali-stable polymer layer (300), and - a catalyst layer (400).
Absstract of: WO2025135348A1
The present disclosure relates to a method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell, and a water electrolysis cell membrane-electrode assembly and a water electrolysis cell, which comprise the catalyst prepared using same, and the method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell comprises preparing a plurality of noble metal oxide seeds, and preparing a noble metal oxide aggregate by using the plurality of noble metal oxide seeds, thereby increasing the surface area thereof by means of pores between noble metal oxide particles, and thus performance and durability can be improved.
Absstract of: WO2025008146A1
The present invention relates to a method for producing hydrogen and magnetite from water and iron in the presence of an iron(II) salt catalyst. The invention also relates to the use of the iron obtained as an indirect hydrogen store.
Absstract of: JP7531069B1
To provide a titanium porous body in which at least one surface is relatively smooth and which excels in compressive resistance.SOLUTION: 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.SELECTED DRAWING: None
Absstract of: WO2025135513A1
The present disclosure relates to a catalyst for an oxygen evolution reaction of a water electrolysis cell, a manufacturing method therefor, a membrane-electrode assembly for a water electrolysis cell including same, and a water electrolysis cell. The catalyst for the oxygen evolution reaction of a water electrolysis cell includes a heterogeneous noble metal composite which has a nanowire shape and includes different first and second noble metal oxides in a node structure, whereby the catalyst can reduce the amount of the noble metals used while improving performance and can enhance performance and durability depending on the types and lengths of the noble metals forming the heterogeneous noble metal composite.
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: 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: 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: 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: 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: 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.
Nº publicación: AU2024397101A1 02/07/2026
Applicant:
SIEMENS ENERGY GLOBAL GMBH & CO KG
SIEMENS ENERGY GLOBAL GMBH & CO. KG
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).
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