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942
results.
Updated on
28/10/2026 [09:41:00]
Results 850 to 875 of 942
Absstract of: US20260257925A1
The present invention relates to a method of physical and energetic utilization of silicon components that are obtained in electrical scrap recycling. In order to create a recycling method which is effective in terms of time, plant technology and energy, it is proposed that a silicon component be dissolved in an alkali under the process pressure (p) and a first suspension temperature in the range from 50° C. to equal to or greater than the boiling point of the alkali at the process pressure p. After the silicon has been dissolved, the resultant suspension is filtered for separation of meta-, di- and oligosilicate, and the second suspension temperature is maintained during the filtration within the temperature range specified from 50 to less than the boiling point of the alkali.
Absstract of: WO2026180190A1
The invention relates to a method for treating raw water (1) for use as reactant water in an electrolysis process, in which method salt-laden raw water (1) is provided and thermal desalination of the raw water (1) is carried out, wherein heat (QIN) is supplied to the raw water (1) and the raw water is evaporated, wherein salt-free water (H2O) is drawn off, which is provided as reactant water (9) and supplied to an electrolysis process in which hydrogen (H2) is generated as product gas, wherein the generated hydrogen (H2) is loaded by subjecting the hydrogen (H2) to an exothermic loading process from which heat (QOUT) is released, wherein released heat (QOUT) is transferred and supplied to the raw water (1) as heating heat (QIN) and used for evaporation. The invention further relates to a water treatment system (11) for carrying out the method.
Absstract of: KR20240010242A
Provided is a method for producing hydrogen from ammonia, wherein the method for producing hydrogen from ammonia comprises the steps of: decomposing ammonia through an ammonia decomposition reaction to produce hydrogen and nitrogen; removing unreacted ammonia in the ammonia decomposition reaction by a reaction of the following formula (1), NH_3 + 3/4O_2 → 1/2N_2 + 3/2H_2O; and separating hydrogen produced through the ammonia decomposition reaction.
Absstract of: US20260257913A1
Proposed is a system for generation of blue hydrogen through natural gas reforming, carbon dioxide capture, carbon resource utilization, and reaction product storage. The system includes a natural gas storage container for storing liquefied natural gas including shale gas, a hydrocarbon reformer in which a gas mixture containing hydrogen and carbon dioxide is produced, a hydrogen filling station in which hydrogen is received and stored, a reactor in which carbon dioxide produced is received and reacted with a basic alkali mixed solution to capture carbon dioxide and in which a reaction product is collected and a carbon dioxide reaction product and a waste solution are separated from the reaction product, a carbon resource storage container storing the carbon dioxide product, and a hydrogen generator in which the carbon dioxide reaction product is used to product hydrogen, and the produced hydrogen is delivered to the hydrogen filling station.
Absstract of: US20260257189A1
This discloses a surfaced plasmon resonance catalyst device and a chemical reaction system 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.
Absstract of: US20260257990A1
An amidinium-functionalized compound, characterized in that the compound has a structure according to General Formula I or General Formula II wherein ⋅R5 and R9 are any substituent different from hydrogen; ⋅R1 to R4 are independently selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl group and a heteroaryl group, or any of R1 and R3, R1 and R4, R1 and R2, R3 and R4, R2 and R3, or R2 and R4 represent the necessary atoms to form a five- to eight-membered non-aromatic ring; ⋅R6 to R8 are independently selected from the group consisting of hydrogen, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl or heteroaryl group, a halogen group, an ether group, a nitro group, an amine group, or any of R5 and R6, R6 and R7, R7 and R8, or R8 and R9 represent the necessary atoms to form a five- to eight-membered ring; X— is an anion; and wherein ⋅at least one of R1 to R9 comprises a polymerizable group or comprises the necessary atoms to link the amidinium group to a polymer.
Absstract of: US20260261119A1
0000 An electrolysis system includes a renewable power generation plant, an electrolysis plant, a transformer station and an AC bus bar. The renewable power generation plant is connected to the public electricity grid at a point of connection via the AC bus bar and includes a power plant controller and a self-controlled converter that is connected to the AC bus bar. The electrolysis plant includes an electrolysis active power controller and a converter arrangement that is connected to the AC bus bar. The electrolysis active power controller is configured for controlling active power of the electrolysis plant at the AC bus bar and the power plant controller is configured for controlling reactive power at the point of connection. A method for operating an electrolysis system is also provided.
Absstract of: WO2026181447A1
A hydrogen generation apparatus (1a) comprising a plurality of cell stacks (10) that, through electrolysis of water, generate hydrogen and oxygen as a byproduct, and a control device that controls the cell stacks (10) and controls circulation of hydrogen, wherein: the plurality of cell stacks (10) are divided into at least one firstly-started cell stack (10a) that is started firstly among the plurality of cell stacks (10) and at least one subsequently-started cell stack (10b), (10c) that is started subsequently to the firstly-started cell stack (10a); and the control device (11) is configured to be able to supply, to the subsequently-started cell stack (10b), (10c), hydrogen generated by the firstly-started cell stack (10a) when starting the subsequently-started cell stack (10b), (10c) after the firstly-started cell stack (10a) is started.
Absstract of: WO2026182942A1
A solar-driven opto-electrolysis hydrogen production system configured to convert light and water into hydrogen is disclosed. The system includes a solar radiation collection assembly, an optical transmission network, and one or more opto-electrolysis light rods positioned within a reactor containing water. Each light rod includes an inner optical core, a cladding, and a porous layer comprising photocatalytic centers configured to generate hydrogen upon illumination. The inner optical core contains spectral conversion additives that modify incident solar radiation such that emitted wavelengths overlap an absorption band of the photocatalytic centers. In certain embodiments, the porous layer comprises a monolithic porous structure formed around the cladding with pore characteristics selected to permit diffusion of water and removal of evolved hydrogen. A plurality of light rods may be arranged in an array to enable scalable hydrogen production.
Absstract of: WO2026180519A1
Process and plant for the production of a product gas containing nitrogen and hydrogen from ammonia, the process comprising the steps of: i) pre-cracking an ammonia feed stream to a pre-cracked process gas containing hydrogen, nitrogen, ammonia by contact with a first ammonia cracking catalyst; ii-1) non-catalytic partial oxidation of the pre-cracked process gas with an oxygen containing gas to a process gas containing nitrogen, water, nitrogen oxides and residual amounts of ammonia; ii-2) cracking of at least a part of the residual amounts of ammonia to hydrogen and nitrogen in the process gas by contact with a second ammonia cracking catalyst and simultaneously reducing the amounts of nitrogen oxides to nitrogen and water by reaction with at least a portion of the hydrogen formed during at least the pre-cracking of the ammonia feed stream, thereby producing said product gas containing nitrogen and hydrogen; iii) withdrawing the product gas. The product gas is purified downstream to a hydrogen product.
Absstract of: WO2026182019A1
The present invention provides an electrolytic hydrogen supply device to be attached to at least one side of goggles. A hydrogen supply device according to the present invention comprises: an electrolytic cell in which a pair of positive and negative electrodes are disposed in the vertical direction and which is capable of storing electrolytic water; and an electrolytic cell receiving section which has a recess that opens from the bottom toward the outside of the side of the goggles, and which is configured to insert and fix the electrolytic cell in the recess from the outside toward the inside to the bottom. The electrolytic cell has a pair of front and rear sealing members in the inward and outward directions for sealing the inner wall of the electrolytic cell receiving section and the outer wall of the electrolytic cell, and has, above the electrolytic cell, a reserve tank space formed in a gap between the outer wall of the electrolytic cell and the inner wall of the electrolytic cell receiving section between the front and rear sealing members, and a first gas film that allows a gas containing hydrogen and water vapor in the electrolytic cell to pass through and be released into the reserve tank space.
Absstract of: US20260258558A1
0000 A method to generate hydrogen gas comprises circulating an electrolyte through an electrolyte circuit including an electrochemical cell comprising an anode and a cathode, wherein hydroxide ions in the electrolyte are oxidized at the anode to produce oxygen gas and water in the electrolyte is reduced at the cathode to produce hydrogen gas. The method further includes introducing an inert gas into the electrolyte circuit to dilute a gas phase of the electrolyte circuit.
Absstract of: KR20260133045A
본 발명의 일측면에 따르면, 헬륨과 공급수가 열교환되어 증기가 생성되거나 헬륨과 공기가 열교환되어 가열공기가 생성되도록 내부로 공기, 헬륨 및 공급수가 유입되는 열교환장치; 상기 열교환장치로 유입되는 헬륨을 가열하기 위한 헬륨가열장치; 수소가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제1 캐소드와 가열공기가 유입되는 제1 애노드를 포함하는 고체산화물 수전해 전지스택을 포함하는 수소생성부; 전기가 생성되도록 상기 열교환장치에서 생성된 증기가 유입되는 제2 애노드와 가열공기가 유입되는 제2 캐소드를 포함하는 고체산화물 연료 전지스택을 포함하는 전기생성부; 상기 열교환장치, 상기 헬륨가열장치, 상기 수소생성부 및 상기 전기생성부의 사이에서 헬륨, 공급수, 가열공기, 증기 및 수소가 유동되도록 헬륨, 공급수, 증기, 가열공기 및 수소가 유동되는 통로를 제공하는 플로우채널; 상기 플로우채널에서 가열공기, 헬륨, 공급수, 증기 및 수소의 유동을 조절하기 위해 선택적으로 개폐되는 복수 개의 밸브; 및 복수 개의 제어모드에 기초하여 상기 복수 개의 밸브를 제어하는 제어기를 포함하고, 상기 플로우채널은, 상기 열교환장치와 헬륨가열장치에 연결되고, 외부로부터 공급된 히�
Absstract of: WO2026181397A1
A water electrolysis apparatus (100) comprises: a catalyst (52) that is disposed outside an oxygen gas-liquid separator (4) and reduces hydrogen mixed into oxygen; and an oxygen circulation line (6) in which a blower (61) is disposed and which returns oxygen that has passed through the catalyst (52) to the oxygen gas-liquid separator (4).
Absstract of: WO2026182306A1
The present invention provides a system for synthesizing ammonia using a chemical compressor having a hydrogen storage alloy embedded therein, and a method for synthesizing ammonia using the ammonia synthesis system. The system for synthesizing ammonia comprises: a water electrolysis stack that generates hydrogen; a chemical compressor that stores and discharges hydrogen supplied from the water electrolysis stack; and an ammonia synthesis unit that receives hydrogen from the chemical compressor and synthesizes ammonia, wherein the chemical compressor includes: a hydrogen storage unit having the hydrogen storage alloy embedded therein; a cooling unit that cools the hydrogen storage unit; a heating unit that heats the hydrogen storage unit; and a control unit that controls operations of the cooling unit and the heating unit, wherein the heating unit includes a plurality of different heating sources independently controllable from one another, and the control unit controls the cooling unit to cool the hydrogen storage alloy of the hydrogen storage unit when hydrogen is stored in the hydrogen storage unit, and controls at least one of the plurality of heating sources of the heating unit to heat the hydrogen storage alloy when hydrogen is discharged from the hydrogen storage unit.
Absstract of: WO2026181877A1
The present invention provides an electrode member having good durability. An electrode member 1 is formed by laminating a metal substrate 2, a conductive oxide layer 3 having a film thickness of 1 nm or more and less than 200 nm, and a metal layer 4 containing at least 50 wt% of iron in this order. A method for manufacturing an electrode member 1 includes: a step A of forming a conductive oxide layer 3 having a film thickness of 1 nm or more and less than 200 nm on the metal member 2; and a step B of forming a metal layer 4 containing at least 50 wt% of iron on the conductive oxide layer 3. The method forms the electrode member 1 in which the metal substrate 2, and the conductive oxide layer 3, and the metal layer 4 are laminated in this order.
Absstract of: KR20260133052A
0001a 본 발명의 일 실시예는 Pr 전구체, La 전구체, Nd 전구체, Na 전구체, Ca 전구체, Ba 전구체, Sr 전구체, Co 전구체, 및 Fe 전구체를 포함하는 전구체 용액을 형성하는 단계; 상기 전구체 용액에 킬레이트 고정점 및 가교제를 첨가하여 반응 용액을 형성하는 단계; 및 상기 반응 용액을 반응시키는 단계;를 포함하는 것을 특징으로 하는 더블 페로브스카이트 공기극 산화물 제조방법을 제공한다.
Absstract of: KR20260132701A
본 발명의 목적은, 수전해 스택을 통한 물 전기분해 및 연료(수소, 산소) 생산, 연료전지 스택을 통한 전력생산 및 물 생성의 과정을 닫힌 계 내에서 지속/반복적으로 동작시키는 방식의 가역연료전지 시스템을 대상으로 하는 가역연료전지 하이브리드 파워팩의 열관리 및 물관리 시스템 및 그 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명의 실시예에 따른 가역연료전지 하이브리드 파워팩의 열관리 및 물관리 시스템은, 연료전지 및 수전해 스택을 구비하는 가역연료전지 하이브리드 파워팩 시스템에 있어서, 상기 연료전지 스택 및 수전해 스택의 전극별로 생성 또는 순환되는 물을 구분하여 복수개의 물탱크에 저장하고, 상기 물의 흐름을 제어하여 관리하는 물관리 시스템; 상기 물관리 시스템에서 발생하는 열을 냉각하는 메인 냉각장치; 및 상기 메인 냉각장치와 연결되어 절연냉각수를 이용하여 시스템을 열관리 하는 열관리 시스템을 포함하는 것을 특징으로 한다.
Absstract of: US20260258561A1
0000 A method for producing a carboxylic acid by reducing carbon dioxide in the atmosphere includes: a step of subjecting a hydrogen storage alloy negative electrode used in a nickel metal hydride battery to a treatment in which the hydrogen storage alloy negative electrode is immersed in an alkaline electrolyte solution and then dried; and a step of reducing the carbon dioxide in an electrolytic cell including an alkaline electrolyte solution configured to adsorb the carbon dioxide, a positive electrode used in a nickel metal hydride battery, the hydrogen storage alloy negative electrode after the treatment, and a power supply connected to the positive electrode and the hydrogen storage alloy negative electrode, by applying a potential difference across the positive electrode and the hydrogen storage alloy negative electrode such that a potential of the positive electrode is higher than a potential of the hydrogen storage alloy negative electrode.
Absstract of: US20260258513A1
0000 The present invention discloses a systematic carbon emissions reduction method for whole process of steel production and casting, comprising the steps of: injecting hydrogen into a blast furnace, wherein the hydrogen is sourced from a nuclear-based hydrogen production system, a water electrolysis hydrogen production system, and a coke oven gas-steam reforming hydrogen production system; wherein electrical energy consumed by the water electrolysis hydrogen production system is sourced from gas-fired power generation, steam residual pressure power generation, solar power generation, wind power generation, and nuclear power generation; wherein combustible gases used for the gas-fired power generation are coke oven gas, blast furnace gas, and converter gas; wherein steam for the steam residual pressure power generation is sourced from a sintering waste heat boiler; wherein steam for the coke oven gas-steam reforming hydrogen production is low-pressure steam exhausted from the residual pressure power generation; producing end products comprising cast steel sections and casting materials including high-carbon ductile cast iron profiles with a carbon content of 2-4% and a silicon content of 2-4%, and high-carbon ductile cast steel profiles with a carbon content of 1-2% and a silicon content of 1-1.9%; and recycling scrap from the end products into a converter or an electric arc furnace for smelting.
Absstract of: EP4800156A1
Provided is a membrane-electrode assembly for a water electrolysis cell, including: a polymer electrolyte membrane having an active area and an inactive area surrounding the active area; a hydrogen generation electrode positioned on a first surface of the active area of the polymer electrolyte membrane; an oxygen generation electrode positioned on a second surface of the active area of the polymer electrolyte membrane; a first subgasket disposed on a first surface of the inactive area of the polymer electrolyte membrane and surrounding the hydrogen generation electrode; and a second subgasket disposed on a second surface of the inactive area of the polymer electrolyte membrane and surrounding the oxygen generation electrode, wherein the first subgasket has a first window accommodating the hydrogen generation electrode, and a first water supply path surrounding the first window and exposing the inactive area of the polymer electrolyte membrane.
Absstract of: EP4800868A1
0001 A hydrogen production system 1 of the present disclosure includes an electrolytic device 2, a plurality of electrical power conversion devices 3 that convert three-phase AC power to DC power and supply the DC power to the electrolytic device 2, and a control device 4 that controls the electrical power conversion devices. The electrolytic device 2 is connected with the plurality of electrical power conversion devices 3 connected in parallel with each other. The control device 4 is configured to correct, when electrical power supply from some of the plurality of electrical power conversion devices 3 to the electrolytic device 2 is stopped, at least one of voltage and current of the electrical power conversion device 3 that is continuing electrical power supply to the electrolytic device 2 so that a later hydrogen production amount of the electrolytic device 2 approaches a predetermined target amount.
Absstract of: EP4800057A1
0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.
Absstract of: WO2025090834A1
Disclosed herein are systems and methods for tandem hydrogen (H2) production and carbon dioxide (CO2) capture. For example, described herein are methods comprising tandem H2 production and CO2 capture and conversion to a carbonate mineral. In some examples, the method is an electrochemical method. In some examples, the method comprises dissolving CO2 in water and applying an electrochemical potential sufficient to drive the H2 evolution reaction, thereby producing H2 and CO3 2-. In some examples, the methods further comprise contacting the CO3 2- with a cation to thereby form an insoluble carbonate compound.
Nº publicación: EP4798763A1 02/09/2026
Applicant:
TOPSOE AS [DK]
Topsoe A/S
Absstract of: WO2025087865A1
The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.
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