Resumen de: WO2025186606A1
An integrated system for power generation and method thereof is disclosed, for generating and utilizing hydrogen gas or oxyhydrogen gas for enhancing fuel efficiency, thereby providing energy efficient power generation. An electricity generation system (402) generates and store an electric current in a battery for processing a gas generator (100) i.e., hydrogen (H2) or oxyhydrogen (HHO) gas generator. In the gas generator (100) an Automatic Transmit Power Control power supply (102) stabilizes power transmission, providing constant current by a current source (104) to an electrolysis setup (106) for generating hydrogen (H2) gas or oxyhydrogen (HHO) gas. A thermostat regulates temperature, and a demister separates steam from the generated gas. A burner (200) combusts the generated gas. A steam boiler (302) converts water into high pressure steam using the generated gas. A steam turbine (304) converts the high-pressure steam into mechanical energy. An electricity generator (306) converts mechanical energy into electrical energy.
Resumen de: WO2025186621A1
An apparatus, a system and a method for generating and storing hydrogen gas are disclosed. In one arrangement, an apparatus comprises a wind turbine, a solar array comprising at least one solar panel, an electrolyser unit having an electrolyser peak capacity and powered by the wind turbine and/or the solar array, and a pipeline configured to receive and store hydrogen from the electrolyser unit and having a length at least equal to 500 meters per 10MW of the electrolyser peak capacity. In another arrangement a method comprises generating energy at the wind turbine and the solar array comprising at least one solar panel, receiving the generated energy at the electrolyser unit, generating hydrogen gas with the generated energy by the electrolyser unit, and receiving and storing the generated hydrogen gas in a pipeline.
Resumen de: WO2025186440A1
The present invention relates to electrical energy storage apparatus, such as rechargeable electrical energy storage devices such as batteries. We describe an electrochemical cell comprising: a chamber containing an electrolyte and a porous membrane dividing the chamber into a first compartment and a second compartment. The cell includes a first electrode, associated with the first compartment; and a second electrode, associated with the second compartment. The first compartment contains a first triphasic gas storage material in contact with the first electrode; and the second compartment contains a second triphasic gas storage material in contact with the second electrode. The first compartment further contains hydrogen gas, and the second compartment contains oxygen gas. In preferred examples, the first and/or the second triphasic gas storage material is a material selected from a polymer of intrinsic microporosity, a metal-organic framework, a zeolite or a porous silicate.
Resumen de: WO2025185857A2
Disclosed is a process for producing hydrogen and a reactor used for this process. The reactor contains a first reaction space for oxidizing metal fuel selected from silicon, magnesium, iron, titanium, zinc, aluminum or alloy containing two or more of these metals with an oxidant and a second reaction space separated from the first reaction space for dehydrogenating hydrogen-containing chemicals into hydrogen and dehydrogenated products. The reactor contains a plurality of feed lines axially and/or radially and/or tangentially passing through the reactor jacket for feeding the inlet zone of the first reaction space with inert gas and/or metal fuel and/or oxidant as a result of which a vortex is formed at the interior of the reactor jacket, which vortex moves towards the direction of the outlet zone of the first reaction space or the reactor contains at least one electrolysis cell that is placed partially or in total within the first reaction space or is placed downstream a tube located within the first reaction space for performing electrolysis of the hot hydrogen-containing chemical within said electrolysis cell. With the reactor and the process of this invention hydrogen is generated from hydrogen-containing chemicals, such as water and metal fuel is used to generate thermal energy to promote the dehydrogenation reaction.
Resumen de: US2025286385A1
A sea-land collaboration-based multi-energy coupling low-carbon new energy system includes a low-carbon power generation unit, a green fuel synthesis unit and an energy storage device which are arranged on a sea and an island, a green fuel comprehensive utilization unit and a carbon capture device which are arranged on the island and/or on land, and a multi-energy flow coupling-based sea-land collaborative low-carbon intelligent control center. The system generates power using abundant and stable solar energy and wind energy on the sea and the island, prepares hydrogen and ammonia using seawater, and the green fuel synthesis unit prepares green fuels using the prepared hydrogen and carbon dioxide produced by the system, such that the use of coal and natural gas in the green fuel comprehensive utilization unit is reduced; meanwhile, produced carbon dioxide is used as raw materials to prepare green fuels again.
Resumen de: US2025283236A1
A method for sealing an electrolyzer cell may include applying a sealant between two layers of an electrolyzer cell and compressing the two layers towards each other. The method may further include flowing fluid through a flow field in the electrolyzer cell. The method may further include controlling a temperature of the fluid flowing through the flow field and controlling a pressure applied to the sealant by the compressing the two layers towards each other. The method may further include conforming the sealant to the two layers.
Resumen de: US2025283226A1
An electrochemical reactor for capturing carbon dioxide and producing bicarbonate and hydrogen is described herein. The electrochemical reactor is useful for, among other things, converting biogas to a bicarbonate and hydrogen feedstock for biomethanation. The reactor comprises at least one reactor unit comprising an electrolyzer cell and at least one alkaline water electrolysis (AWE) cell adjacent to the electrolyzer cell. The electrolyzer cell comprises an anode spaced from a cathode by an ion exchange membrane between the anode and the cathode; and the electrolyzer cell is adapted and arranged to allow a flow of a neutral liquid electrolyte to contact the anode and the cathode. The ion exchange membrane can be a cation exchange membrane (CEM), or an anion exchange membrane (AEM). The AWE cell comprises a second anode spaced from a second cathode by a porous diaphragm.
Resumen de: US2025283231A1
Methods and apparatuses for converting carbon dioxide to useful compounds are disclosed. The method involves reducing bicarbonate solution in an electrolyzer. Bicarbonate solution is supplied to the cathode. The direct reduction of bicarbonate at the cathode may be coupled with an oxidation reaction at the anode. The oxidation reaction may provide a source of protons (H+) to cathode for the reduction of bicarbonate. The oxidation reaction may be a hydrogen oxidation reaction (HOR). Hydrogen gas (H2) may be supplied to the anode. In some embodiments, a source of gas may be supplied to the bicarbonate solution to form a pressurized solution before supplying the solution to the cathode.
Resumen de: US2025282614A1
A process for cracking ammonia to form hydrogen is described comprising the steps of (i) passing ammonia through one or more catalyst-containing tubes in a furnace to crack the ammonia and form hydrogen, wherein the one or more tubes are heated by combustion of a fuel gas mixture to form a flue gas containing nitrogen oxides capable of reacting with ammonia in the flue gas to form ammonium nitrate, and (ii) cooling the flue gas to below 170° C., characterised by maintaining an amount of steam in the flue gas according to the following equation to prevent solid ammonium nitrate formation: (I) where, yH2O is the mol % of steam in the flue gas, P*H2O is the equilibrium vapor pressure of water in an aqueous solution of ammonium nitrate, and p is the minimum operating pressure of the flue gas.
Resumen de: US2025283237A1
A method can include: processing precursors, electrochemically oxidizing an anolyte and reducing a catholyte in an electrolyzer, and cooperatively using the oxidized anolyte and reduced catholyte in a downstream process. The electrolyzer can include an anode, a cathode, and a separator. The anode can include an anolyte, an electrode, an anolyte reaction region. The cathode can include a catholyte, an electrode, a catholyte reaction region.
Resumen de: US2025282613A1
Contemplated systems and methods for hydrogen production use a solar heliostat system as an energy source to produce hydrogen during daytime, and employ molten salt as an energy source to produce hydrogen during nighttime.
Resumen de: US2025283595A1
A circular economy polygeneration system includes an electrolyzer operable to provide hydrogen and oxygen based on water. The system includes a hydrogen firing furnace operable to burn hydrogen and produce a first flue gas including water and nitrogen. The system also includes an oxy-firing furnace operable to burn hydrocarbon fuel with oxygen provided by the electrolyzer to produce a second flue gas comprising water and carbon dioxide. Moreover, the system includes a first condenser configured to produce nitrogen and a first stream of water based on the first flue gas. The system further includes a second condenser configured to produce carbon dioxide and a second stream of water based on the second flue gas. The first and second stream of water are used by the electrolyzer to provide the hydrogen and oxygen. Additionally, the system includes a carbon capture system operable to capture carbon dioxide produced by the second condenser.
Resumen de: EP4613912A1
The present invention relates to a cathode material for a solid oxide electrolytic cell and its preparation and use. The cathode material for the solid oxide electrolytic cell has a molecular formula of LaxSr1-xFe0.8CuyNi0.2-yO3-δ, wherein 0.1≤x≤0.9, 0.01≤y<0.2, and 0≤δ≤0.5. An electrolytic cell prepared by using the cathode material can efficiently convert CO2 and H2O into synthesis gas through electrochemical catalysis. Furthermore, the electrolytic cell can achieve continuous and stable operation of high-temperature electrolysis of water vapor and/or carbon dioxide at a temperature of 800°C and an electrolysis current density of 0.5 A/cm<2> or more, thereby having good prospects for industrial application.
Resumen de: EP4613914A1
A water electrolysis system (100) includes a plurality of water electrolysis stacks (101) connected in series to a DC power supply, a plurality of gas storage tanks (e.g., a hydrogen gas tank (102), a low-pressure hydrogen gas tank (102a)) for storing a gas generated in the water electrolysis stacks, a first gas pressure adjustment mechanism (e.g., a hydrogen gas tank pressure adjustment valve (113)) for adjusting pressure of the gas generated in the entire plurality of water electrolysis stacks, a plurality of second gas pressure adjustment mechanisms (e.g., a water electrolysis stack hydrogen gas pressure adjustment valve (115), a water electrolysis stack low-pressure hydrogen gas pressure adjustment valve (115a)) for adjusting pressure of a gas generated in each of the water electrolysis stacks, and a control device (150) for controlling the first gas pressure adjustment mechanism and the second gas pressure adjustment mechanism.
Resumen de: WO2024097986A2
Disclosed herein are devices, systems, and methods of using aluminum, activated with a liquid metal catalyst stored inside of one or multiple shipping containers or shipping container-like boxes to produce hydrogen and direct heat on demand.
Resumen de: MX2025005140A
Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.
Resumen de: US2024154496A1
A system includes a flow-through electric generator and an electrolytic cell. The flow-through electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive natural gas from a natural gas pipeline and rotate in response to expansion of the natural gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is coupled to the turbine wheel and configured to rotate with the turbine wheel. The flow-through electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The electrolytic cell is configured to receive a water stream and the electrical power from the flow-through electric generator. The electrolytic cell is configured to perform electrolysis on the water stream using the received electrical power to produce a hydrogen stream and an oxygen stream.
Resumen de: WO2024094264A2
A hydrogen generation system comprising a hydrogen electrolyser, a power converter connected to the electrolyser, and a control system configured to control the power converter to supply power to the electrolyser The system further includes a monitoring system configured to monitor the operation of the generation system, wherein the monitoring system is configured to: determine a plurality of operational parameters of the electrolyser, and, generate one or more performance metrics based on the determined operational parameters, the one or more performance parameters including: the electrical capacitance of the electrolyser, and/or the equivalent series resistance of the electrolyser. Also disclosed is a method for determining operational performance of a hydrogen generation system including an electrolyser.
Resumen de: EP4613700A1
Disclosed is a process for producing hydrogen and a reactor used for this process. The reactor contains a first reaction space for oxidizing metal fuel selected from silicon, magnesium, iron, titanium, zinc, aluminum or alloy containing two or more of these metals with an oxidant and a second reaction space separated from the first reaction space for dehydrogenating hydrogen-containing chemicals into hydrogen and dehydrogenated products.With the reactor and the process of this invention hydrogen is generated from hydrogen-containing chemicals, such as water and metal fuel is used to generate thermal energy to promote the dehydrogenation reaction.
Resumen de: EP4613913A1
A method for sealing an electrolyzer cell may include applying a sealant between two layers of an electrolyzer cell and compressing the two layers towards each other. The method may further include flowing fluid through a flow field in the electrolyzer cell. The method may further include controlling a temperature of the fluid flowing through the flow field and controlling a pressure applied to the sealant by the compressing the two layers towards each other. The method may further include conforming the sealant to the two layers.
Resumen de: WO2024126749A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
Resumen de: JP2025129457A
【課題】現在における二酸化炭素レーザーによって水素を生じさせる方法は産出の複雑度とコストが増やされる問題とエネルギー消耗の問題がある。【解決手段】本発明の低炭素水素の製造方法は、廃シリコンスラリーを乾燥させる工程(a)と、乾燥した廃シリコンスラリーを粉砕と選別し、重量百分率(wt%)が40から95の酸化ケイ素が得られ、そのうち金属ケイ素は酸化ケイ素含有量の5wt%から40wt%を占める工程(b)と、酸化ケイ素とアルカリ金属水溶液を混合反応させ、反応温度を100℃から150℃の間に制御するすることによって水素が得られる工程(c)とを備える。【選択図】図1
Resumen de: JP2025129633A
【課題】固体高分子形の水電解セルを用いた水電解装置およびその周辺機器をコンテナ内に収容するにあたり、換気量を従来よりも抑える。【解決手段】水電解セルスタック13、酸素ガス用の気液分離を行うタンク21、水素ガス用気液分離機能を有するタンク52、水素ガスの除湿を行う除湿器62を、コンテナC1内に収容するにあたり、コンテナC1内の一側に寄せた領域Hに、水素ガス用気液分離機能を有するタンク52、水素ガスの除湿を行う除湿器62を配置する。領域Hは仕切り壁81に囲まれ、領域H内の雰囲気は換気扇83によってシステム外に放出される。仕切り壁81における下部は、コンテナC1内における領域H以外の空間と連通している。【選択図】図3
Resumen de: AU2024209628A1
The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.
Nº publicación: WO2025183649A1 04/09/2025
Solicitante:
ERGUER YUSUF FURKAN [TR]
ERG\u00DCR, Yusuf Furkan
Resumen de: WO2025183649A1
The invention relates to a pure hydrogen gas production system (A) for use in hydrogen production technologies, including applications such as energy storage, fuel cells, and industrial chemical processes. The system (A) is characterized by including at least one top cover (10) that encloses the upper portion of the system and protects its internal components from external factors, and at least one bottom cover (20) that encloses the lower portion of the system, ensuring the stable and secure positioning of the electrolysis cell. It also features a water inlet (30) that allows the introduction of water containing potassium hydroxide into the system (A), at least one anode (60) functioning as the positive electrode, and at least one cathode (70) functioning as the negative electrode during the electrolysis process. Conductive plates (100) are included to ensure efficient transmission of electrical current to the electrolysis cell, along with at least one sealing element (101) positioned between the conductive plates (100) to ensure the liquid- tightness of the electrolysis cell. Furthermore, an anion exchange membrane (90) with high selectivity and permeability is positioned within the void (102) of the conductive plates (100). This membrane purifies the HHO gas generated by the electric current passing between the anode (60) and the cathode (70) during electrolysis, separating water molecules and extracting pure hydrogen gas.