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341
results.
Updated on
15/11/2026 [08:23:00]
Results 300 to 325 of 341
Absstract of: US20260317930A1
0000 An electrolysis plant for producing dihydrogen (H<2>) and dioxygen (O<2>) by electrolysis of water is provided. The plant includes a degassing device (1) which includes an opening for a first gas-liquid mixture supply pipe (11), an opening for a liquid discharge pipe (12) arranged below the level of the gas-liquid interface (15) of the chamber (14), and an opening for a gas discharge pipe (13) arranged above the level of the gas-liquid interface (15) of the degassing chamber (14). Furthermore, the device has one or more additional openings for one or more additional gas-liquid mixture supply pipes (21, 22), said one or more additional gas-liquid mixture supply pipes (21, 22) being arranged such that the jets of gas-liquid mixture introduced into the degassing chamber (14) via the supply pipes (11, 21, 22) intersect within the gas-lye mixture in the degassing chamber (14).
Absstract of: US20260321694A1
0000 A purpose of the present invention is to provide: an electrolyte membrane for a polymer electrolyte fuel cell, said electrolyte membrane having excellent proton conductivity; a membrane electrode assembly that includes the electrolyte membrane for the polymer electrolyte fuel cell; a polymer electrolyte fuel cell that includes the membrane electrode assembly; methods for producing the electrolyte membrane for a polymer electrolyte fuel cell, the membrane electrode assembly, and the polymer electrolyte fuel cell; and an electrolyte membrane for solid polymer water electrolysis. 0000 The electrolyte membrane for a polymer electrolyte fuel cell according to the present invention contains fine fibrous cellulose that is derived from wood or plants, wherein the average fiber width of the fine fibrous cellulose that is derived from wood or plants is 50 nm or less, and the fine fibrous cellulose has a phosphorus oxoacid group.
Absstract of: WO2026213927A1
Provided in the present application is a stamped bipolar plate for PEM water electrolysis hydrogen production, the stamped bipolar plate comprising a plate body. One end of the plate body is provided with a first water port, and the other end of the plate body is provided with a second water port, wherein the first water port and the second water port are arranged diagonally. One side surface of the plate body is provided with a first bridging region, a second bridging region, a first distribution region, a second distribution region and a first reaction region, wherein the first bridging region is in communication with the first water port, and the first distribution region is disposed between the first bridging region and the first reaction region; the second bridging region is in communication with the second water port, and the second distribution region is disposed between the second bridging region and the first reaction region; and the first distribution region and the second distribution region each comprise a plurality of first bosses and first recesses which are alternately arranged. Further provided in the present application is a PEM electrolyzer. The present application has good mechanical strength and electrical conductivity, a flow field is uniformly distributed, and the sealing effect is good, such that the gas transmission efficiency is improved, thereby improving the overall electrolysis efficiency is improved.
Absstract of: US20260317919A1
0000 The present invention discloses an electrolyser cell frame assembly comprising a cell frame with an inner peripheral edge and an outer peripheral edge; a gasket with an inner peripheral edge and an outer peripheral edge; and a cell element with a peripheral edge compressed between the gasket and the cell frame. The gasket exhibits compressible characteristics whereas the cell frame exhibits rigid characteristics. The outer peripheral edge of the gasket extends outwards over the peripheral edge of the cell element in the direction of the outer peripheral edge of the cell frame such that the gasket overlaps a predefined part of the cell frame.
Absstract of: US20260321700A1
A Solid Oxide Cell stack has at least one connection plate between the solid oxide cell stack and an adjacent end plate, two adjacent end plates and/or between adjacent solid oxide cell sub-stacks.
Absstract of: US20260317929A1
0000 The present invention discloses a control circuit and a control method for a dual electrolyzed water preparation device based on parallel preparation of O<3 >and H<2>O<2>. The key points of the technical solutions of the present invention are as follows: comprising: a touch key module interacting with an operator to output a start signal or a stop signal in response to an action of the operator; a load driving module connected to the touch key module for obtaining the start signal or the stop signal to start or stop a load; and a self-cleaning maintenance module connected to the load driving module for controlling output electrodes of the load driving module to perform polarity reversal and maintain normal operation of the load.
Absstract of: US20260317184A1
0000 Process for synthesis of ammonia wherein: ammonia make-up gas (containing hydrogen and nitrogen is reacted in an ammonia converter-under ammonia forming conditions thus obtaining an ammonia-containing effluent; a first hydrogen portion contained in the ammonia make-up gas is produced by reforming a hydrocarbon source in a reforming process; a second hydrogen portion contained in the ammonia make-up gas is produced separately from said reforming process, by using at least a renewable energy source; a part of said hydrogen produced in step (c) is stored in a hydrogen storage; hydrogen from said hydrogen storage is used to fully or partially replace said second hydrogen portion when said renewable energy source is fully or partially unavailable.
Absstract of: US20260316612A1
0000 A system for electric vehicle charging and hydrogen fueling leverages existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a pressure vessel. A first portion of the stored hydrogen gas may be used for hydrogen fueling of a fuel cell electric vehicle (FCEV) via a hydrogen fuel dispenser that is provided at a charging station. A second portion of the stored hydrogen gas may be converted into electricity through use of one or more fuel cells. The generated electricity may be used for charging a battery of a battery electric vehicle (BEV) via an electric vehicle charging dispenser that is also provided at the charging station.
Absstract of: US20260317922A1
0000 The porous titanium sheet has a thickness equal to or greater than 40 μm and equal to or less than 500 μm and porosity equal to or greater than 30% and equal to or less than 50%. A surface roughness of a first main surface of the porous titanium sheet is lower than a surface roughness of a second main surface opposing the first main surface. At a peripheral portion, a number of first protrusions protruding toward a side of the first main surface and having a height equal to or greater than 30 μm is equal to or less than a number of second protrusions protruding toward a side of the second main surface at the peripheral portion and having a height equal to or greater than 30 μm.
Absstract of: EP4534727A1
The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are to be closed each other and the second direction being an opposite direction to the first direction; at least one actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a spacer arranged between the pressure plate and the movable member.
Absstract of: EP4534726A1
0001 The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are closed each other and the second direction being an opposite direction to the first direction; at least one main actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a sub-actuator configured to move the pressure plate selectively in the first and second directions with respect to the moveable member.
Absstract of: WO2023007466A1
Systems and methods for sequestering carbon, evolving hydrogen gas, producing iron oxide as magnetite, and producing magnesium carbonate as magnesite through sequential carbonation and serpentinization/hydration reactions involving processed olivine- and/or pyroxene-rich ores, as typically found in mafic and ultramafic igneous rock. Precious or scarce metals, such nickel, cobalt, chromium, rare earth elements, and others, may be concentrated in the remaining ore to facilitate their recovery from any gangue material.
Absstract of: AU2026242110A1
A method for hydrogen and/or oxygen generation from water in a solid/semi-solid state, using a hydrogel membrane. The method may include the steps of evaporating water to produce a water vapour, and subsequently separating hydrogen and oxygen from the evaporated water. An apparatus for hydrogen and/or oxygen generation from water in a solid/semi-solid state, using a hydrogel membrane. The apparatus may include a pair of electrodes separated by a membrane, with the membrane being hydrated with water such that the membrane forms a source of hydrogen and oxygen. ep e p
Absstract of: US20260315998A1
0000 In an aspect, a hydrogen separation unit includes an electrochemical cell stack that includes a separator stack located in between an anode side and a cathode side; a mixed gas conduit for receiving a mixed gas stream to the anode side; an anode removal conduit for removing a helium rich stream from the anode side; and a cathode removal conduit for removing a hydrogen rich stream from the cathode side. The separation stack includes a plurality of electrochemical cells, each of which includes a proton exchange membrane located in between an anode and a cathode. The proton exchange membrane can include a cation. The separation stack can be a cascading separation stack.
Absstract of: US20260317933A1
A method for the generation of a gas mixture including carbon monoxide, carbon dioxide and optionally hydrogen for use in hydroformylation plants or in carbonylation plants, including mixing an optional steam with carbon dioxide in the desired molar ratio, feeding the resulting gas to a solid oxide electrolysis cell (SOEC) or an SOEC stack at a sufficient temperature for the cell or cell stack to operate while effecting a partial conversion of carbon dioxide to carbon monoxide and optionally of steam to hydrogen, removing some or all the remaining steam from the raw product gas stream by cooling the raw product gas stream and separating the remaining product gas from a liquid, and using the gas mixture containing CO and CO2 for liquid phase synthesis reactions utilizing carbon monoxide as one of the reactants while recycling CO2 to the SOEC or SOEC stack.
Absstract of: US20260317931A1
A plant, e.g. a syngas plant or hydrogen plant, or a combined syngas and hydrogen plant is provided. The plant comprises a reforming section, a CO2-removal section and a first electrolysis unit. A first portion of a first CO2-rich stream outputted from the CO2-removal section is arranged to be supplied to the anode of the first electrolysis unit as a sweeping gas for oxygen product gas. Certain streams, downstream the first electrolysis unit are arranged to be fed to the reforming section as at least a portion of an oxygen-rich feed. Various processes are also provided for the production of hydrogen and/or syngas in the plant.
Absstract of: US20260315960A1
The disclosure relates to a filter for treating process fluid, such as that arises during hydrogen electrolysis, having a first filter element and a second filter element, which encloses the first filter element with the formation of a flow space with a predefinable radial spacing, wherein each filter element has a filter medium through which the process fluid can flow in a flow-through direction. Seen in the flow-through direction, the one filter medium forms a first degassing stage, which is used to enlarge gas bubbles through coalescence and to remove same from the process fluid through separation caused by buoyancy, and the subsequent further filter medium forms a second degassing stage, which is used to remove very finely distributed gas bubbles remaining in the process fluid, again through coalescence and the Separation of same through rising caused by buoyancy.
Absstract of: US20260317928A1
The present invention relates to a divided cell for alkaline water electrolysis, where the separator is equipped with a gasket having anisotropic elastic properties and exhibiting reduced gasket deformation along the plane of the major surface of the separator when subject to a compression force perpendicular to that plane. The invention also relates to an electrolyser comprising a plurality of cells as hereinbefore described.
Absstract of: US20260317923A1
0000 A photoelectrocatalyst that includes nanoparticles of manganese (Mn) and cobalt (Co) co-doped zinc oxide (ZnO) having a formula of Mn
Absstract of: EP4822058A1
The invention relates to a water electrolysis-based hydrogen production system (1) comprising a stack (2) comprising at least one electrolytic cell, the stack (2) being traversed by a first electrolyte circuit (Circ(H2)) to collect hydrogen gas (G_H2) and a second electrolyte circuit (Circ(O2)) to collect oxygen gas (G_O2); a first separator (3a) disposed in the first electrolyte circuit (Circ(H2)) for separating hydrogen gas (G_H2) from the electrolyte, the first separator (3a) comprising a first vessel (Va) presenting a bottom (Ba); a second separator (3b) disposed in the second electrolyte circuit (Circ(O2)) for separating oxygen gas (G_O2) from the electrolyte, the second separator (3b) comprising a second vessel (Vb) having a bottom (Bb); a balancing conduit (4) fluidly connecting the first separator (3a) and the second separator (3b), the balancing conduit (4) presenting a first end (4a) opening into the first vessel and a second end (4b) opening into the second vessel. The first end (4a) and the second end (4b) of the balancing conduit (4) are positioned, respectively, at a first level (7a) above the bottom (Ba) of the first vessel and at a second level (7b) above the bottom (Bb) of the second vessel to prevent the complete drainage of electrolyte from the first separator (3a) or from the second separator (3b) through the balancing conduit (4).
Absstract of: EP4821882A2
0001 Die Erfindung betrifft eine Ammoniak-Cracking-Anlage (200, 300), umfassend mindestens einen Cracking-Reaktor (202, 302) mit einem Fluideingang (204, 304) und einem Fluidausgang (206, 306), eingerichtet zum Generieren von Wasserstoff, basierend auf über den Fluideingang (204, 304) zugeführtem Ammoniak, mindestens einen Brennraum (212, 312), eingerichtet zum Bereitstellen von Wärme für den Cracking-Reaktor (202, 302) durch Verbrennen mindestens eines Brennstoffs, wobei die Ammoniak-Cracking-Anlage (200, 300) mindestens einen Elektroerhitzer (230, 330, 340, 388) umfasst, eingerichtet zum Bereitstellen von Wärme für den Cracking-Reaktor (202, 302) durch Umwandeln von elektrischen Energie in Wärme.
Absstract of: EP4822938A1
0001 A method for operating an electrolysis system (2) is provided. The method comprises an electrolyzer (6), a transformer (3), and a rectifier (4, 5), wherein the transformer (3) receives an electrical AC power from an electrical grid (104) and provides an AC power (AC) output to the rectifier (5), wherein the rectifier (5) converts the AC power output (AC) into a DC power input (P1) for the electrolyzer (6), the method further comprising i), identifying begin-of-life (BOL) parameters for an electrolyzer stack (6) based on a measurement, wherein a linear dependency between a DC voltage (Udc
Absstract of: JP2026165594A
【課題】生成された水素の純度が低下することを抑制する水蒸気電解システムを提供する。【解決手段】水蒸気から水素を生成する燃料極２１、空気が流通される空気極２２、および、燃料極２１と空気極２２との間に配置される固体電解質２３を備える電解セルスタック２と、水蒸気含有ガスを燃料極２１に供給する水蒸気供給ライン３と、水素を含む生成ガスを導出する水素導出ライン４と、空気極２２に空気を供給する空気供給ライン５と、空気極２２で生成された酸素を含む排出空気を排出する空気排出ライン６と、水素導出ライン４に配置されるとともに、燃料極２１で水素が生成される状態で、燃料極２１に面する空間内の圧力が空気極２２に面する空間内の圧力よりも大きくなるように調整する少なくとも１つの圧力調整弁７と、を備える水蒸気電解システム１ａ。【選択図】図１
Absstract of: JP2026167173A
0001 【課題】複数の水電解スタックにそれぞれ流れる電流の差分を小さくすることができる技術を提供する。 【解決手段】水電解システムは、主電源ユニットと、主電源ユニットに対して互いに並列に接続された複数の並列回路と、複数の並列回路にそれぞれ配置された複数の水電解スタックと、副電源ユニットと、を備える。副電源ユニットは、複数の並列回路のうち、一部の並列回路上へ電気的に配置可能に構成されている。 【選択図】図２
Nº publicación: JP2026167286A 14/10/2026
Applicant:
トヨタ自動車株式会社
Absstract of: JP2026167286A
【課題】水電解セルの劣化を抑制しつつ、エージング効果を奏する水電解システムを提供する。【解決手段】水電解セルで水電解を行う水電解システムであって、エージング処理として酸素極側に対して、低電圧側は１．４８Ｖ以下、高電圧側は１．８５Ｖ以下となるサイクル電圧を印加する。【選択図】図４
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