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1246
results.
Updated on
18/07/2026 [07:42:00]
Results 950 to 975 of 1246
Absstract of: US20260146011A1
A method for producing higher hydrocarbons in a Fischer-Tropsch (FT) reactor by recycling a FT tail-gas includes the following steps: feeding the FT reactor with a dry syngas to form liquid hydrocarbons and the FT tail-gas, wherein the dry syngas is obtained by a Reverse Water-Gas Shift (RWGS) reaction of a stream of CO2 and a stream of H2 and/or by co-electrolysis of a stream of CO2 and a stream of H2O and by a plasma-based treatment of the FT tail-gas.
Absstract of: WO2025205877A1
The objective of the present invention is to provide a porous film enabling water electrolysis at a low cell voltage while achieving both high ion permeability and high gas barrier property. The method for using a porous film according to the present invention is characterized by using a porous film having a contact angle with water of greater than 70° and 110° or less and in which 40% or more of the pores are filled with a solvent, and which is used as a diaphragm for alkaline water electrolysis.
Absstract of: WO2024231561A1
The present invention relates to a novel material comprising an organic binder consisting of a thermoplastic polymer, selected from the group consisting of polyethylene, polypropylene, polystyrene, acrylonitrile-butadiene-styrene, poly vinyl halide or poly vinylidene halide or mixtures thereof, a hydrophilic inorganic filler and a porosity agent. This material can be used for the manufacture of a film which, after treatment, will provide a membrane suitable for use as a diaphragm in an alkaline electrolyser, allowing the production of hydrogen.
Absstract of: WO2026107891A1
The present invention relates to a methane production equipment system and methane production method using ocean energy and resources. Said methane production equipment system comprises an offshore power generation device, an electrolytic hydrogen production device, a seawater carbon capture device and a methane synthesis device. The electrolytic hydrogen production device, the seawater carbon capture device and the methane synthesis device are separately electrically connected to the offshore power generation device. The offshore power generation device supplies power to the electrolytic hydrogen production device, the seawater carbon capture device and the methane synthesis device. The electrolytic hydrogen production device produces hydrogen and supplies hydrogen to the methane synthesis device; the seawater carbon capture device produces carbon dioxide and supplies carbon dioxide to the methane synthesis device; and the methane synthesis device uses hydrogen and carbon dioxide to produce methane. By means of organically combining offshore power generation, offshore hydrogen production, seawater carbon capture, green methane, etc., said methane production equipment system provides a technical path for high-quality and large-scale development of offshore wind power resources.
Absstract of: US20260146345A1
0000 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. An extinction coefficient k<800 >of the layered double hydroxide layer at an wavelength of 800 nm is 0.08 or more.
Absstract of: WO2026108412A1
A clean filter device and a hydrogen production device. The clean filter device is applied to the hydrogen production device. The clean filter device comprises a filter, a filter element and a separation member, wherein the filter element is mounted in the filter and divides the interior of the filter into an upper cavity and a lower cavity; the lower cavity is provided with a first input channel, and the upper cavity is provided with a gas output channel; the separation member is arranged in the lower cavity corresponding to the position of the first input channel, and the separation member is configured to perform a pre-separation treatment on a gas to be treated entering the lower cavity through the first input channel; and the filter element is configured to filter the gas subjected to the pre-separation treatment and discharge same through the gas output channel. The clean filter device is used for reducing the adverse effects of various metallic and non-metallic solid impurities on electrolytic chemical reactions in electrolytic cells, electrical instruments, and container corrosion, thus optimizing gas purity, and improving the reliability and safety of the operation of the hydrogen production device.
Absstract of: BE1033035A1
La présente invention concerne une plaque bipolaire (100, 100') pour une cellule électrolytique (10) d'un stack d'électrolyseur (1). Suivant l'invention, la plaque bipolaire (100, 100’) comporte au moins un élément perturbateur de l'écoulement qui comprend sur l'axe d'écoulement (46) au moins un obstacle (50) constitué d'une partie centrale (51) de longueur (L1) non nulle dont les extrémités forment un segment droit disposé selon une orienta on quelconque par rapport à l'axe d'écoulement (46) et de deux parties latérales (52, 53) s'étendant de part et d'autre de la partie centrale (51), les parties latérales (52, 53) formant chacune un angle (α1 et α2) par rapport à la partie centrale (51) compris entre 90° et 180°. D'autres aspects de l'invention concernent une cellule électrolytique munie d'une telle plaque bipolaire, un stack d'électrolyseur comprenant un empilement de telles cellules électrolytiques, une installation d'électrolyse comprenant un tel stack d'électrolyseur et un procédé d'électrolyse alcaline de l'eau mis en œuvre dans une telle installation.
Absstract of: WO2026112078A1
A hydrogen reactor hydrogen reactor including: a housing unit configured to direct water flow across surfaces of one or more interconnected hydrogen modules; one or more porous separators positioned to delineate hydrogen-evolution sites from oxygen-evolution sites; and a collection system configured to collect and segregate hydrogen and oxygen gases produced during electrolysis.
Absstract of: US20260146344A1
0000 A green hydrogen production unit may have at least one solid oxide electrolyzer cell (SOEC) to generate hydrogen gas from water by electrolysis. A green power supply may be coupled to the at least one SOEC. A green back-up power supply may be coupled to the at least one SOEC.
Absstract of: US20260146349A1
0000 A control device, when a water electrolysis system is initiated, controls electrical power source devices in a manner so that a water electrolysis electrical current and a hydrogen compression electrical current increase gradually in coordination. During such gradual increasing, it is detected whether or not flooding has occurred in a hydrogen compression stack, and at a time when it is detected that flooding is occurring, until the flooding is eliminated, a flooding elimination control is carried out in which an increase in the water electrolysis electrical current and the hydrogen compression electrical current is temporarily suspended and the water electrolysis electrical current and the hydrogen compression current are maintained at a constant current value in coordination.
Absstract of: KR20260076575A
본 발명은 PEM(양성자 교환막, Proton Exchange Membrane) 방식의 전해조에 사용되며, 진동 방지부를 구비하는 수소 생성 장치(즉, 전해조의 핵심 또는 셀 집합체)에 관한 것이다. 본 발명의 핵심은 금속 와이어로 고정된 관통형 너트와 피팅을 사용하는 데 있다. 이러한 구조는 부품의 이완과 움직임을 방지하여 조임력이 감소하는 것을 막는데, 더 구체적으로, 본 발명은 기존의 전해조 장치 구조를 기반으로 하면서, 본 발명에 따른 장치는 샌드위치 형태로 구성되며, 두 개의 평행한 판 사이에 다수 개의 양극판(셀을 구성하는 전해조)을 배치한다. 상기 샌드위치 구조와 평행한 판에는 고정 막대가 통과할 수 있는 구멍이 정렬된다. 또한, 각 셀 사이에는 밀봉재가 설치되어야 하며, 이를 통해 장치 외부로 수소 누출이 거의 발생하지 않도록 한다.
Absstract of: US20260146346A1
A method for water splitting using red mud includes applying a potential to an electrochemical cell with a working electrode, a reference electrode, and a counter electrode. The working electrode is a nickel foam substrate with an annealed red mud surface layer, containing 10 to 30 percent by weight iron. The electrochemical cell contains an aqueous basic solution which facilitates the electrolysis process upon applying potential. Water is split into hydrogen gas and oxygen gas at the working electrode.
Absstract of: US20260146797A1
0000 Provided is a zero-carbon glass furnace process, a system required for the process includes a photovoltaic power generation unit, an air separation unit, a water electrolysis hydrogen production unit, a mixer, a methanation unit, a first waste heat boiler, a reforming unit, a glass furnace, a second waste heat boiler, and a dedusting and desulfurization unit. The process adopts green electricity to produce oxygen, nitrogen and hydrogen; flue gas of the glass furnace is circularly enriched into a high concentration of carbon dioxide, which is methanized with hydrogen to produce methane, and the methane is reformed with carbon dioxide and water vapor to produce carbon monoxide and hydrogen; the carbon monoxide and hydrogen are used as fuel of the glass furnace, the oxygen and carbon dioxide are mixed into carbon-based enriched oxygen as a combustion aid of the glass furnace, and the excess carbon dioxide is sold externally.
Absstract of: US20260146338A1
A gas production system includes an electrolyzer configured to provide an electrolysis gas comprising hydrogen gas and oxygen gas. The gas production system includes a housing comprising a housing inlet configured to receive the electrolysis gas from the electrolyzer. The gas production system includes a first catalyst member disposed in the housing and configured to receive the electrolysis gas from the housing inlet. The gas production system includes a second catalyst member disposed in the housing. The second catalyst member is configured to receive the electrolysis gas from the first catalyst member. The gas production system includes a first heat exchanger disposed at least partially within the first catalyst member and configured to heat the first catalyst member. The gas production system includes a second heat exchanger disposed at least partially within the second catalyst member and configured to heat the second catalyst member.
Absstract of: KR20260076315A
본 발명에 따른 암모니아 분해 및 수전해 기반의 통합된 수소 생산 시스템은, 암모니아 분해기에서 암모니아를 분해하여 수소를 생산하면서 생성된 테일가스와, 수전해기에서 수소를 생성하면서 생성된 부생 산소를 연소기에서 연소시키고, 상기 연소기의 연소 과정에서 발생된 질소 산화물을 혼합기로 순환시켜, 상기 혼합기에서 암모니아수와 질소 산화물을 혼합하여 질산암모늄을 생성하도록 구성됨으로써, 공정 및 구조가 간단하면서도 수소를 생산하는 공정에서 발생된 부산물을 모두 활용할 수 있으므로, 친환경적이고 경제적인 이점이 있다.
Absstract of: WO2026110103A1
This disclosure relates to systems and methods for separating the output stream of a carbon monoxide electrolyzer. A disclosed system includes a carbon monoxide electrolyzer which uses a dual-pressure cryogenic separation system to separate the output gas stream into three portions including a hydrogen-rich vapor stream, a CO-rich stream, and a purified ethylene stream. The cryogenic separation system includes a refrigeration system, a high-pressure gas/liquid separator, an expansion valve, and a low-pressure stripping column.
Absstract of: WO2026109571A1
The invention relates to a method for producing a gas mixture, wherein a feed gas (1) containing more than 10 mol% CO2 and at least one compound lighter than CO2 is cooled in a heat exchanger (E) and separated by partial condensation and/or distillation to generate a CO2-rich liquid (17), a secondary gas (19) is cooled in the heat exchanger and is mixed with the CO2-rich liquid to form a two-phase fluid (23), and the two-phase fluid is heated in the heat exchanger to form a gas mixture (25) of hydrogen and carbon dioxide which constitutes a synthesis gas.
Absstract of: US20260145933A1
A controllable hydrogen production system and a controllable hydrogen production method. The controllable hydrogen production system includes a reactor, an aluminum conveying module, a sodium hydroxide conveying module, a water conveying module and a recovery module; the aluminum conveying module, the sodium hydroxide conveying module and the water conveying module communicate with the reactor, respectively; the reactor includes a first outlet and a second outlet, the recovery module includes a vibrating membrane filtration system, a first inlet of the vibrating membrane filtration system communicates with the first outlet of the reactor, the vibrating membrane filtration system further includes a third outlet, and the third outlet communicates with the reactor; the second outlet is used to convey generated hydrogen. The controllable hydrogen production method realizes efficient and controllable hydrogen production by using the controllable hydrogen production system and meanwhile recycles by-products and sodium hydroxide by using the vibrating membrane filtration system.
Absstract of: WO2026110382A1
This fluid-permeable metal sheet comprises a porous metal body sheet. The porous metal body sheet is formed of a porous metal body having a skeleton that has a three-dimensional mesh structure. The fluid-permeable metal sheet has a first main surface. The first main surface is provided with first surface pores of the porous metal body sheet. The first ratio of the maximum diameter of the first surface pores on the first main surface with respect to the maximum valley depth of the first surface pores in the thickness direction of the porous metal body sheet defined in ISO 25178-2: 2021 is 1.2 to 5.0.
Absstract of: WO2026111291A1
The present invention relates to a method for preparing an ammonia decomposition catalyst, comprising the steps of: (A) preparing a basic aqueous solution having a predetermined pH within a range of pH 8.5 to pH 9.5 by adding a base dropwise to water; (B) forming La-Ce aggregation nuclei by adding a base and a precursor aqueous solution containing a La precursor and a Ce precursor to the basic aqueous solution, such that the pH of the basic aqueous solution is maintained within a range of ±0.2 of the predetermined pH; (C) forming La-Ce aggregates by additionally adding a base to the solution in which the La-Ce aggregation nuclei are formed; (D) forming a La-Ce-O carrier by sintering the La-Ce aggregates; and (E) supporting an active metal on the La-Ce-O carrier.
Absstract of: US20260145932A1
A method of producing hydrogen gas and separating sulfur from hydrogen sulfide including contacting the hydrogen sulfide with a catalyst in an aqueous solution to form a hydrogen gas and a reaction solution including sulfur; mixing the reaction solution and a sulfur solvent to form a sulfur solution; separating the sulfur solution into a first stream including the aqueous solution and a second stream including sulfur; and precipitating sulfur from the second stream.
Absstract of: WO2026111209A1
The present invention relates to a method for manufacturing a catalyst electrode using cyclic voltammetry, the method comprising the steps of: immersing first and second metal substrates each in an electrolytic solution containing an active metal precursor; and electrodepositing an active metal on both of the metal substrates by applying a cyclic voltammetry current to the first and second metal substrates.
Absstract of: WO2026111349A1
The present invention provides a water electrolysis cell comprising: a unit cell; and a discharge passage for discharging a gas generated from an electrode of the unit cell, wherein one end of the discharge passage is provided with a pressure control unit, and the arrangement position of the pressure control unit is adjusted according to the ratio of the volume (σVL) of the discharge passage to the amount (σVgas) of the gas generated from the electrode.
Absstract of: WO2026110647A1
Problem To provide, inter alia, an electrolytic method with which it is possible to contribute to improvement in the service life of a PEM-type electrolyzer. Solution According to one embodiment of the present invention, there is provided a water electrolysis method, the method comprising: a management step for managing the cation content of water so as to be less than 100 μg/L in terms of cation equivalent weight, said cations being one or more selected from the group consisting of metal cations, cations containing a nitrogen atom, cations containing a phosphorus atom, and cations containing a sulfur atom; and a supplying step of supplying the water for which the cation content is managed to a PEM-type electrolyzer.
Nº publicación: WO2026110707A1 28/05/2026
Applicant:
HITACHI LTD [JP]
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Absstract of: WO2026110707A1
A control device (19) of a renewable energy-linked water electrolysis system (11) comprises: an acquisition unit (21) that acquires both an output power restriction command value (R_Grid) and an electrolysis power upper limit value (P_UP); a calculation unit (23) that calculates a generation power threshold value (R_SUM) which is the sum of the output power restriction command value (R_Grid) and the electrolysis power upper limit value (P_UP); a setting unit (25) that sets a generation power upper limit value (R_UP) pertaining to a renewable energy generation system (13) to be less than or equal to the generation power threshold value (R_SUM) calculated by the calculation unit (23); and a coordination control unit (27) that coordinates and implements output control of generation power pertaining to the renewable energy generation system (13) and electrolysis power control pertaining to a water electrolysis system (17), such that the generation power pertaining to the renewable energy generation system (13) does not exceed the generation power upper limit value (R_UP).
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