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860
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Updated on
15/11/2026 [07:11:00]
Results 825 to 850 of 860
Absstract of: US20260274662A1
The present disclosure relates to a natural gas reforming system capable of reducing, by using a co-electrolysis device, the emission amount of carbon dioxide produced by reforming natural gas, of supplying heat to a reformer through syngas produced by the co-electrolysis, and of producing additional hydrogen, and a process thereof.
Absstract of: US20260275556A1
An electrolysis apparatus for the production of gaseous hydrogen and oxygen by water electrolysis includes an electrolyzer having a plurality of cells arranged next to each other to form a cell stack. Each cell includes an anode and a cathode plate. The electrolyzer further includes anode and cathode end plates. The electrolyzer has an active chamber in which the electrolysis reaction of water contained in an electrolyte solution with which the electrolyzer is fed takes place, a first liquid/gas phase separator for separating oxygen gas from the electrolyte solution, and a second liquid/gas phase separator for separating hydrogen gas from the electrolyte solution. The electrolyzer also includes a plurality of sensors mounted on one of the anode and cathode end plates and configured to detect appropriate operating parameters of the first and second liquid/gas phase separator.
Absstract of: US20260274673A1
A carbon material containing a fired product of a mixture containing a first compound and a second compound, in which the first compound is a phthalocyanine compound having bromine as a substituent, and the second compound is a compound containing at least one metal element selected from the group consisting of Fe, Co, Ni, Cu, Al, and Zn.
Absstract of: US20260275552A1
An overall system that includes, as sub-systems, a DRI system, an electrolysis system, a hydrogen store and a supply device. The DRI system and the electrolysis system are connected to an electricity-supply network for receiving electricity. The DRI system, the electrolysis system and the hydrogen store are interconnected for transferring hydrogen, and the DRI system and the supply device are interconnected for supplying the DRI system with natural gas and/or ammonia. A controller calculates operating modes (B1, B4, B6, B7) for the sub-systems for a forecast horizon (PH) and determines final states (Z1′, Z4′, Z6′, Z7′) that can be expected for the sub-systems on the basis of the current states (Z1, Z4, Z6, Z7) and the operating modes (B1, B4, B6, B7). The controller varies the final states (Z1′, Z4′, Z6′, Z7′) that can be expected so as to minimize a cost function (K).
Absstract of: US20260275535A1
This hydrogen production system comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor generation device that heats supply water to generate water vapor; and a combustor that partially burns hydrogen included in water vapor discharged from a hydrogen electrode of the SOEC. The water vapor generation device is configured such that the supply water is at least partially heated through heat exchange between at least part of the supply water and gas including combustion gas generated in the combustor so as to produce at least part of the water vapor.
Absstract of: US20260275543A1
A porous transport layer for an electrolyser or for a fuel cell, comprising —a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, —a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface has a material ratio of less than 5% of material at a height of 5 μm, and more than 70% of material at a depth of −5 μm, the first equivalent diameter is smaller than the second equivalent diameter.
Absstract of: WO2025059026A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: US20260275545A1
An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 μm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.
Absstract of: US20260274657A1
Provided is a method for producing a highly active oxygen carrier at low cost, and a method for producing hydrogen and an apparatus for producing hydrogen using the highly active oxygen carrier.
Absstract of: US20260279865A1
A membrane electrode assembly with an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode. The membrane electrode assembly further includes a protective layer, which is arranged between the anode and the hydrocarbon membrane and/or between the cathode and the hydrocarbon membrane, wherein the protective layer includes at least one ceramic material and one fluorine-containing ionomer, wherein the ceramic material is dispersed in the fluorine-containing ionomer.
Absstract of: US20260279846A1
A porous transport layer for an electrolyser or for a fuel cell, comprising a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface roughness is below 10 μm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%.
Absstract of: AU2025400693A1
Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.
Absstract of: US20260275433A1
Method to produce hot metal in a blast furnace including at least two levels of gas injection wherein the blast furnace top gas is recovered and subjected to an oxidation step using water-gas shift reaction to transform at least a part of the carbon monoxide from the recovered blast furnace top gas into carbon dioxide and hydrogen, the carbon dioxide is then separated to obtain a CO2-rich stream and a H2-rich stream, at least a part of it being injected into the blast furnace at the second level of gas injection.
Absstract of: US20260275546A1
A method for producing hydrogen comprises providing water and a gaseous substance, the gaseous substance comprising hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing a diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. An apparatus is configured for producing hydrogen gas.
Absstract of: US20260274731A1
0000 Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Absstract of: EP4491770A1
0001 Method for operating a closed-loop carbon cycle (100), comprising: - creating synthetic methane (106) from renewable energy (114) in a first geographical area (101), comprising: ∘ producing hydrogen (123) via electrolysis (113), ∘ feeding CO2 (109) and produced hydrogen (123) into Sabatier reactors (300) of an eNG production plant (110), - transporting said synthetic methane (106) to a second geographical area (102); - converting synthetic methane into usable energy (112) in said second geographical area (102), comprising: ∘ distributing synthetic methane (107) to one or more eNG conversion facilities (111); ∘ using said synthetic methane in said eNG conversion facilities (111), producing an output comprising CO2; ∘ capturing CO2 from said output; - transporting said captured CO2 (108) to said first geographical area (101); - establishing said closed-loop carbon cycle (100) by feeding said captured CO2 (109) received from said second geographical area (102) to said eNG production plant (110).
Absstract of: US20260274663A1
0000 A reactor system may include at least one first type reactor, at least one second type reactor, a heat source unit, a heat exchange unit, and one or more separation units. The at least one first type reactor reacts a fuel, which may comprise biogas, with metal oxide particles. The at least one second type reactor receives reduced metal oxide particles from the at least one first type reactor and reacts those particles with steam, generating hydrogen (H<2>) and oxidized metal oxide particles. The oxidized metal oxide particles are heated up in a heat exchange unit that is heated by the heat source. The heat source may generate heat by combusting air and oxidation products from the at least one first type reactor. The heated oxidized metal oxide particles may be provided to the separation unit(s) and then to the at least one first type reactor.
Absstract of: US20260275542A1
The present disclosure provides a membrane electrode for hydrogen production by alkaline water electrolysis, a preparation method therefor, and an electrolytic cell. According to the method provided by the present disclosure, a membrane electrode with catalyst layers uniformly and firmly adhered to the surfaces of a membrane can be obtained via a direct coating and hot pressing. The membrane electrode is endowed with good stability, and the obtained membrane electrode exhibits a significantly reduced overpotential for water electrolysis. The method comprises the following steps: directly applying a catalyst slurry (catalyst slurries) onto both sides of a membrane, followed by drying and hot pressing the catalyst slurry (catalyst slurries) to form catalyst layers on each surface of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more selected from a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5% to 30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.
Absstract of: TW202627218A
Hydrogen gas purifier electrochemical cells (10, 50, 150), systems (200) for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells (24, 26, 152) that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells (250) and methods of electrolyzing water to produce hydrogen gas are also disclosed.
Absstract of: JP2026148321A
0001 【課題】組付け性に優れた水電解装置用の電極板ユニットを提供する。 【解決手段】ここに開示される電極板ユニット４０Ａは、外縁部４２に貫通孔４２ｈを有する電極板４０と、第１シール部材３０および第２シール部材５０と、を備える。第１シール部材３０は、環状の閉塞部３１ｓと、電極板４０の貫通孔４２ｈと対向する位置に設けられた突出部３１ｐと、を有する。第２シール部材５０は、環状の閉塞部５１ｓと、電極板４０の貫通孔４２ｈおよび第１シール部材３０の突出部３１ｐと対向する位置に設けられた孔部５１ｒと、を有する。第１シール部材３０の突出部３１ｐは、電極板４０の貫通孔４２ｈに挿通され、第２シール部材５０の孔部５１ｒに嵌め合わせられている。 【選択図】図４
Absstract of: JP2026146626A
【課題】照射光を有効に活用し、光触媒粒子による水の分解反応を効率的に生じさせることができるガス生成装置を提供する。【解決手段】ガス生成装置１は、水に光触媒粒子を分散した分散液Ｂを収容するケーシング１０と、ケーシング１０の外部Ａから、分散液Ｂに照射光Ｌを照射する光源１３と、を備える。ケーシング１０は、分散液Ｂを収容する収容空間１４を形成する複数の壁部を有しており、複数の壁部は、光源１３から照射光Ｌが照射される第１壁部１１と、収容空間１４を挟んで第１壁部１１に対向する第２壁部１２と、を有しており、第１壁部１１は、ガラスからなる平板状の部分であり、収容空間１４に面した第２壁部１２の内壁面は、第１壁部１１を透過した照射光Ｌを反射させる反射面１２ａであり、光源１３は、光源１３の光軸Ｘが、第１壁部１１の表面と直交する位置に配置され、光源１３の照射角θは、１２０°以下である。【選択図】図１
Absstract of: EP4807048A1
Provided is an electrolytic cell system comprising an electrolytic cell, a first supply line, a second supply line, a first pressure adjusting unit, a second pressure adjusting unit, and a controller. The electrolytic cell has a hydrogen electrode chamber and an oxygen electrode chamber. The first supply line supplies a feedstock gas containing water vapor to the hydrogen electrode chamber. The second supply line supplies compressed air to the oxygen electrode chamber. The first pressure adjusting unit is provided in the first supply line. The second pressure adjusting unit is provided in the second supply line. The controller adjusts a first pressure in the hydrogen electrode chamber and a second pressure in the oxygen electrode chamber by controlling the first pressure adjusting unit and the second pressure adjusting unit.
Absstract of: JP2026146518A
【課題】高い水分解活性を有し、光触媒を用いた太陽光照射による水分解に用いられる水分解用チタン酸ストロンチウム光触媒を提供する。【解決手段】粒子密度が４．０ｇ・ｃｍ－３以上、比表面積が２ｍ２・ｇ－１以上２５ｍ２・ｇ－１以下であり、イリジウムがドープされた、チタン酸ストロンチウム粒子。【選択図】なし
Absstract of: KR20260137267A
0001a 본 발명의 실시 예에 따른 수전해 및 연료전지 셀 제조를 위한 롤 프레스를 이용한 MEA용 타발장치는 소정의 패턴으로 형성된 절단날을 포함하고, 상면에 MEA가 위치하는 타발판; 상기 타발판 상 MEA의 고정 위치를 가이드하기 위해서 상기 타발판을 향해서 광을 조사하는 광가이드장치; 및 상기 타발판 상에 위치한 MEA 위를 이동하면서 프레스하는 롤 프레스를 포함한다.
Nº publicación: EP4807046A1 16/09/2026
Applicant:
TOSHIBA KK [JP]
KABUSHIKI KAISHA TOSHIBA
Absstract of: EP4807046A1
0001 An electrolysis device includes: an electrolysis cell stack having a first and a second flow path through which a first and a second fluid flows; a flow rate controller to control a flow rate of the first fluid through the first flow path; a controller; a flowmeter; and a concentration meter to measure a concentration of a reduction product in the second fluid. The controller is configured to calculate a variation in ratio of a supply flow rate to a theoretical flow rate of a reducible material in the cells using first data indicating a relation between a supply amount of the reducible material in the cell and a Faraday efficiency of the reduction product and using second data indicating a Faraday efficiency of the reduction product in the cell stack, and control the flow rate controller controlling the flow rate of the first fluid according to the variation.
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