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448
resultados
Última actualización
21/11/2025 [06:48:00]
Resultados 375 a 400 de 448
Resumen de: JP2025150864A
【課題】空気極へのクラックの発生を抑制できる技術を提供する。【解決手段】固体酸化物形電解セルの空気極は、一般式Ａ１ｘＡ２ｙＢＯ３－δ（ただし、０．９≦ｘ＋ｙ＜１、δは酸素欠損量）で表され、主成分としてのペロブスカイト構造を有する複合酸化物と、クロムを含有する第１の物質と、硫黄を含有する第２の物質と、前記複合酸化物とは異なる物質であって、コバルトと鉄との少なくとも一方を含有する第３の物質と、を含み、前記空気極の断面における前記第１の物質と前記第２の物質と前記第３の物質との面積占有率の合計は、０．０２％以上１０．５％以下である。【選択図】図２
Resumen de: JP2025150951A
【課題】 光触媒を用いた水素ガス製造装置１に於いて、水槽２内の水の純度の低下に伴う水素発生量の低下を補償できるようにする。【解決手段】 水素ガス製造装置は、水を貯留する水槽部２と、水槽部内の水中に分散又は配置された光触媒体にして、光が照射されると、励起電子と正孔を発生し、水分子を水素と酸素とに分解する水の分解反応を起こし水素ガスを発生する光触媒物質を有する光触媒体３ａと、光触媒体へ照射されて水の分解反応を惹起する光を発する光源装置４と、水槽部内の水の純度を検知する手段１６ａと、水の純度の低下に応答して水素ガスの発生量の低下を補償する手段１６とを含む。水素ガス発生量低下の補償は、照射光量の増大、光触媒体の量の増大又は水の交換のいずれかにより達成されてよい。【選択図】 図１
Resumen de: JP2025150863A
【課題】空気極へのクラックの発生を抑制できる技術を提供する。【解決手段】固体酸化物形電解セルは、一般式Ａ１ｘＡ２ｙＢＯ３－δ（ただし、０．９≦ｘ＋ｙ＜１、δは酸素欠損量）で表されるペロブスカイト構造を有する複合酸化物を主成分として含有する空気極と、燃料極と、前記空気極と前記燃料極との間に配置された固体電解質層と、を備え、前記空気極は、硫黄を含有する第１の物質と、前記複合酸化物とは異なる物質であって、コバルトと鉄との少なくとも一方を含有する第２の物質と、を含み、前記空気極の断面における前記第１の物質と前記第２の物質との面積占有率の合計は、前記固体電解質層側の界面から１０μｍ以内の界面領域よりも、前記固体電解質層側とは反対の表面から１０μｍ以内の表面領域の方が大きい。【選択図】図２
Resumen de: JP2025150521A
【課題】水電解システムにおける循環水を適切に冷却する。【解決手段】制御装置（５）は、水を電気分解する電解槽（１）と当該電解槽（１）で発生した酸素と水とを分離する酸素気液分離器（３）との間を循環する循環水の温度変化を予測し、温度予測結果に基づいて、循環水を冷却する熱交換器（８２）を制御する。【選択図】図１
Resumen de: JP2025151272A
【課題】優れた触媒性能を持つ触媒材料を提供すること。【解決手段】ここに開示される触媒材料は、Ｎｉ元素を主体とするＮｉ粒子を含み、上記Ｎｉ粒子は、Ｏ元素を含有し、不活性ガス融解－非分散型赤外線吸収法による元素分析に基づく、上記触媒材料に含まれる上記Ｎｉ粒子全量に対するＯ元素の含有率は２ｍａｓｓ％以上５ｍａｓｓ％以下であり、Ｘ線光電子分光法により測定される上記Ｎｉ粒子表面の光電子スペクトルにおいて、Ｎｉ２ｐ軌道を示す領域における金属ＮｉとＮｉＯとＮｉ（ＯＨ）２の合計ピーク面積に対する、上記金属Ｎｉのピーク面積の比率が２０％以上４０％以下である。【選択図】図２
Resumen de: JP2025151271A
【課題】優れた触媒性能を持つ触媒材料を提供する。【解決手段】ニッケル酸化物と、鉄酸化物と、金属ニッケルとを含有する合金粒子１、を含む触媒材料であって、合金粒子１の表面１ｓから深さ方向に、Ｆｅの原子濃度が漸減し且つＮｉの原子濃度は漸増する傾斜組成を有しており、合金粒子の表面から深さ方向に、ＳｉＯ２換算でのスパッタ深さ５．５ｎｍまでＸ線光電子分光法による測定を行ったとき、表面における、ＦｅとＮｉとの合計に対するＦｅの原子濃度が１０ａｔ％以上５０ａｔ％以下であり、スパッタ深さ５．５ｎｍにおける、ＦｅとＮｉとの合計に対するＦｅの原子濃度が３ａｔ％以上１７ａｔ％以下であり、表面からスパッタ深さ５．５ｎｍにかけての、合金粒子のＦｅの原子濃度の減少割合が０．５ａｔ％／ｎｍ以上６ａｔ％／ｎｍ以下である。水電解における酸素発生極として用いられる。【選択図】図１
Resumen de: JP2025151792A
【課題】酸化還元反応の効率を高めることができる光触媒装置を提供する。【解決手段】基板と、前記基板に設けられ、ｃ面および半極性面の少なくとも一方である第１面と、ｍ面である第２面と、を有し、ＩｎｘＧａ１－ｘＮ（０≦ｘ＜１）を含む複数の柱状部と、前記第２面を避けて前記第１面に設けられ、ＩｎｙＧａ１－ｙＯｚ（０≦ｙ＜１、０＜ｚ）を含む第１酸化物層と、を含む、光触媒装置。【選択図】図１
Resumen de: JP2025150086A
【課題】水電解スタックの劣化状態に応じて、安全性と経済性を考慮した運用条件を策定することができなかった。【解決手段】水電解スタック２１と、水電解スタック２１に直流電力を供給する直流電源２２と、水電解スタックに流れる電流を計測する電流監視装置２４と、水電解スタック２１に印加される電圧を計測する電圧監視装置２３と、を有する水電解システム１の運用装置１０において、時系列の電流計測値と電圧計測値を用いて劣化状態に応じて変化する水電解スタック２１の電気抵抗を推定し、推定した電気抵抗を閾値と比較して水電解スタック２１の劣化状態を判定し、水電解スタック２１の劣化状態に応じて水電解スタック２１の運用条件を定める演算部１３と、演算部１３が定めた水電解スタック２１の運用条件を表示装置１２に出力する表示制御部１１と、を備える。【選択図】図４
Resumen de: US2025243053A1
The present disclosure provides systems and methods for processing ammonia (NH3). A heater may heat reformers and NH3 reforming catalysts therein. NH3 may be directed to the reformers from storage tanks, and the NH3 may be decomposed to generate a reformate stream comprising hydrogen (H2) and nitrogen (N2). At least part of the reformate stream may be used to heat the reformers.
Resumen de: WO2025212836A1
In one aspect, the disclosure relates to methods comprising flowing a gas mixture over a catalyst in a reaction chamber; and heating the gas mixture and the catalyst, thereby producing a gaseous product. The disclosure also relates to a composition, comprising hydrogen produced using the methods disclosed herein. The disclosure also relates to a catalyst comprising a structured support; a binder dispersed on the structured support; and a particulate catalyst dispersed on the structured support. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Resumen de: WO2025211488A1
The present invention relates to an ammonia decomposition catalyst and a method for producing same. Specifically, the present invention relates to an ammonia decomposition catalyst in the form of a carrier containing lanthanum and alumina, with ruthenium as an active metal and an alkali metal as a co-active metal supported on the carrier, and a method for producing same, wherein the alkali metal is Li, Na, K, Rb, Cs, or a mixture thereof.
Resumen de: WO2025208967A1
Disclosed in the present invention is a hydrogen production and dissolution device, comprising a housing, a vertical frame, a power supply assembly, an electrolysis assembly, a treatment assembly, a reaction assembly, and a heat dissipation assembly. The vertical frame is arranged in the housing; the housing comprises a reaction chamber and a power supply chamber, and the power supply chamber and the reaction chamber are separated by means of a partition plate; the power supply assembly is arranged in the power supply chamber; the electrolysis assembly, the treatment assembly, and the reaction assembly are arranged in the reaction chamber; the electrolysis assembly comprises a water tank and an electrolyzer; the treatment assembly comprises a gas-liquid separator; the reaction assembly comprises a pressure booster and reaction tanks, and ultrasonic generators are arranged inside the reaction tanks; and the heat dissipation assembly comprises first heat dissipation fans and second heat dissipation fans, wherein the first heat dissipation fans are arranged in the power supply chamber, and the second heat dissipation fans are arranged in the reaction chamber. The present invention can simultaneously realize hydrogen production and dissolution operations without additional storage and transportation of hydrogen, thereby reducing potential safety hazards.
Resumen de: US2025312719A1
An apparatus, including a controller; an air intake system located at a vehicle; an air filtration system; an environmental control system; an air tank located at the vehicle; a water harvesting system; a water filtration system; and a water storage tank located at the vehicle. The controller controls an operation of the air intake system, the air filtration system, the environmental control system, the water harvesting system, and the water filtration system. The air intake system intakes air from an external environment, and the air filtration system filters or purifies the air. The environmental control system heats the air or cools the air. The air tank stores the air and the water harvesting system harvests water from the air. The water filtration system filters or purifies the water and the water storage tank stores the water.
Resumen de: US2025312756A1
A hydrogen generation apparatus includes a case portion, a hydrogen carrier supply portion, a screw conveyor, a liquid supply portion, and a hydrogen collection portion. The hydrogen carrier supply portion supplies a solid hydrogen carrier to the case portion. The screw conveyor is disposed in the case portion, and includes a spiral blade for conveying the hydrogen carrier supplied from the hydrogen carrier supply portion. The liquid supply portion supplies a liquid containing water to the hydrogen carrier conveyed by the screw conveyor. The hydrogen collection portion collects hydrogen generated by a reaction between the hydrogen carrier and the liquid on the screw conveyor.
Resumen de: US2025312759A1
A hydrogen generation apparatus applies a solid hydrogen carrier on a surface of a conveyance belt by an application apparatus, and ejects, by an ejection apparatus, a liquid containing water onto the hydrogen carrier applied on the surface. Then, hydrogen generated by a reaction between the hydrogen carrier and the liquid on the surface is collected by a hydrogen collection apparatus. Byproduct generated by the reaction between the hydrogen carrier and the liquid on the surface is collected by a byproduct collection apparatus. A regulation member regulates the thickness of the hydrogen carrier applied on the surface of the conveyance belt by the application apparatus.
Resumen de: US2025314427A1
There is disclosed a furnace, a fluid feed component, a fluid reforming system, and a method of reforming a fluid. The furnace comprises a vessel that defines a chamber for holding a body of liquid. A fluid inlet is provided for introducing a fluid into the chamber below a level of the body of liquid to cause the fluid to interact with the liquid and to migrate therethrough towards an outlet for discharging a product of the interaction from the chamber. A liquid circulation passage is implemented, having a weir which is operatively located near the level of the body of liquid, and a port which is located remote from the weir and in fluid communication with the fluid inlet so as to enable the liquid to flow over the weir through the liquid circulation passage and through the port.
Resumen de: US2025313968A1
An object of the present invention is to provide an electrode assembly in which an electrolyte membrane is kept from being deteriorated with durability improved. The present invention provides a membrane electrode assembly including an anode electrode on one surface of an electrolyte membrane and a cathode electrode on the other surface thereof, characterized in that the anode electrode includes a porous substrate (A), the cathode electrode includes a porous substrate (B), and the porous substrate (A) and the porous substrate (B) has a total thickness more than 1,000 μm.
Resumen de: US2025313963A1
This disclosure relates to methods of forming elemental sulfur and hydrogen gas from hydrogen sulfide. The disclosed methods include contacting a solution including hydrogen sulfide with an electrode for hydrogen evolution and an electrode for sulfur oxidation.
Resumen de: US2025316736A1
A method for preparing a new polyelectrolyte multilayer coated proton-exchange membrane has been developed for electrolysis and fuel cell applications. The method comprises: applying a polyelectrolyte multilayer coating to a surface of a cation exchange membrane, the polyelectrolyte multilayer coating comprising alternating layers of a polycation polymer and a polyanion polymer to form the polyelectrolyte multilayer coated proton-exchange membrane and optionally treating the polyelectrolyte multilayer coated proton-exchange membrane in an acidic solution. The polycation polymer layer is in contact with the cation exchange membrane.
Resumen de: US2025316720A1
A novel microfabricated Titanium-based porous transport layer (PTL) is described, for use in a hydrogen electrolytic fuel cell. The novel structure may have improved properties and enable improved utilization of the catalyst layer, which is a key metric for hydrogen fuel systems. The structure is intended to be used with a polymeric membrane and is disposed directly adjacent to the catalytic layer on the cathode side of the structure. The improved performance result from is three dimensions microfabricated design, which allows a large number of tightly controlled through hole structure, which increases the surface area available for the electrolytic reaction.
Resumen de: AU2024262429A1
A method by which an environmental energy (e.g., wave energy) is harvested, converted into electrical power, and thereafter used to electrolyze seawater into hydrogen and chlorine gases. Those gases are recombined into hydrogen chloride from which is formed hydrochloric acid solution which is diluted and deposited at a depth sufficient to ensure its neutralization and sequestration for a significant period of time (e.g., for over a millennium). By removing chloride ions from a portion of the sea adjacent to its upper surface and depositing them into a portion of the sea more adjacent to its bottom, acidity is shifted from the surface to base of the sea, and the surface ocean is given a greater ability to absorb and buffer atmospheric carbon dioxide without a corresponding increase in acidity.
Resumen de: US2025313974A1
The present disclosure relates to systems and methods for increasing efficiency and performance by balancing pressure in electrolytic cell. The present disclosure relates to systems and methods of utilizing different valves for controlling absolute pressure and differential in the electrolytic cell system based on hydrogen demand and the operating state of the system.
Resumen de: AU2025200886A1
An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a 5 flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday efficiency to control the A. 10 An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow 5 rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday 10 efficiency to c
Resumen de: AU2025201947A1
In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%. In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%. ar a r n a p r o c e s s i n w h i c h a m m o n i a i s c r a c k e d t o f o r m a h y d r o g e n g a s p r o d u c t a n d a n o f f g a s c o m p r i s i n g n i t r o
Nº publicación: AU2025200754A1 09/10/2025
Solicitante:
TOSHIBA KK
Kabushiki Kaisha Toshiba
Resumen de: AU2025200754A1
A diagnosis system of an electrolysis device, includes: a device to output an impedance data indicating a measurement result of a complex impedance; a first memory unit to store prior data including a relation data indicating a relation between state of the device and a diagnosis result of a state of the device; a first processing unit to analyze the 5 impedance data, judge validity of an analysis result, and output an analysis data indicating the analysis result in which data indicating at least a part of a frequency region of the measurement result is determined valid; a second processing unit to output a state data indicating the state based on first data including the analysis data; a second memory unit to store second data including the state data; and a third processing unit to output a diagnosis 10 data based on data including the prior data and the second data. A diagnosis system of an electrolysis device, includes: a device to output an impedance data indicating a measurement result of a complex impedance; a first memory unit to store prior data including a relation data indicating a relation between state of the 5 device and a diagnosis result of a state of the device; a first processing unit to analyze the impedance data, judge validity of an analysis result, and output an analysis data indicating the analysis result in which data indicating at least a part of a frequency region of the measurement result is determined valid; a second processing unit to output a sta
BOPI
Sede Electrónica
