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428
resultados
Última actualización
03/08/2026 [06:50:00]
Resultados 50 a 75 de 428
Resumen de: US20260221483A1
0000 We describe a redox battery unit cell, comprising: a first electrode, a second electrode spaced apart from the first electrode, and a membrane arranged between the first and the second electrode, wherein the first electrode comprises a first flow field.
Resumen de: US20260221473A1
Disclosed is an end cell heater for a fuel cell, including a heater plate formed with a first electrode terminal and a sealing groove, a heating element formed with a second electrode terminal, a guide member coupled to the heating element, and a sealing member interposed between a side wall of the sealing groove and a side wall of the guide member and sealing a space therebetween, so that coolant or water can be definitely prevented from flowing into an electrical connecting portion between a heating element and an electrode terminal, thereby improving the safe insulation and reliable durability of the fuel cell.
Resumen de: US20260221477A1
0000 The present invention relates to a fuel cell system (100) for converting energy. The fuel cell system (100) comprises: a fuel cell stack (101) which comprises a cathode subsystem (103) and an anode subsystem (105), an outlet system (107) for discharging anode gas from the anode subsystem (105), a supply system (109) for supplying the anode subsystem with hydrogen (105), a pressure sensor (111) which is configured to detect a pressure difference between the cathode subsystem (103) and the anode subsystem (105), a computing unit (113), wherein the supply system (109) is configured so as to introduce hydrogen into the anode subsystem (105) in order to set a specified pressure difference with respect to a pressure present in the cathode subsystem (103), wherein the computing unit (113) is configured so as to ascertain a starting pressure present in the fuel cell stack (101) by means of the pressure sensor (111) during a starting process of the fuel cell system (100), and to actuate the outlet system (107) such that a mass flow discharged from the anode subsystem (105) causes a non-hydrogen-containing gas mixture present in the anode subsystem (105) at the starting pressure to be enriched with hydrogen provided by the supply system (109) up to a specified minimum hydrogen concentration.
Resumen de: US20260217349A1
An underwater device with buoyancy control as well as a method and computer program product for buoyancy control of an underwater device. Upon receiving an estimate of a current depth of the underwater device, a calculation is performed to determine the difference between the estimated current depth of the underwater device and the target. Based on such a difference exceeding a threshold value, an input to fuel cells in the underwater device is generated to either produce a net gas rate which is accumulated by flexible membranes to gain a volume which generates a positive buoyancy force or to intake gasses which generates a negative buoyancy force. The positive buoyancy force and the negative buoyancy force are used to control the depth of the underwater device to reach a target depth from the current depth.
Resumen de: US20260221475A1
0000 A membrane block for a humidifier may include a plurality of membrane elements stacked one above another in a height direction. Each membrane element may include a flat membrane and a rectangular frame enclosing the flat membrane. The membrane block may further include a plurality of first flow channels and a plurality of second flow channels formed in an alternating fashion in the height direction. The first flow channels may be closed in the longitudinal direction and may conduct a through flow in the width direction. The second flow channels may be closed in the width direction and may conduct a through flow in the longitudinal direction. Each pair of adjacent membrane elements may be displaced relative to one another in the width direction and/or in the longitudinal direction such that a respective flow channel is defined between the respective pair of adjacent membrane elements.
Resumen de: US20260221482A1
0000 The present invention relates to redox flow batteries (RFBs) which are tolerant to dioxygen, a method of preparing a RFB in the presence of dioxygen, and a method of charging and/or discharging a RFB and its use in the presence of dioxygen. The RFB comprises an electrolyte, the electrolyte comprising an organic redox-active molecule comprising a redox-active unit with two or more heteroarylene groups wherein the two or more heteroarylene groups are conjugated within the redox-active unit and at least a portion of the redox-active units are present as a complex formed of a singly reduced form of the redox-active unit, and wherein molecular dioxygen (O2) dissolved in the electrolyte. The RFB of the invention can be operated in the presence of dioxygen, removing the need for the creation of strict dioxygen-free conditions by purging, sealing and flowing inert gas through the RFB.
Resumen de: US20260218072A1
0000 System and method of hydrogen production from a biomass-based synthesis gas in a biomass-based hydrogen production system including a pyrolysis reactor and a gasification reactor. A biomass feedstock is pyrolyzed in a pyrolysis reactor to produce a pyrolysis gas and a solid pyrolysis char. The pyrolysis gas is partially oxidized into an oxidized pyrolysis gas by providing an oxidizing gas and gasifying the pyrolysis char in a gasification reactor using the partially oxidized pyrolysis gas to produce a synthesis gas. The synthesis gas has a high content of hydrogen molecules. The synthesis gas is separated into two streams, one being a hydrogen-rich stream and the other being an off-gas stream. The off-gas stream includes hydrogen at a lower concentration than in the hydrogen-rich stream, and other synthesis gas elements. Energy (mechanical, electrical and/or thermal) is extracted from the off-gas, and that energy is used to provide power to the production system.
Resumen de: US20260218342A1
The present disclosure relates to composite material comprising metal, carbon and optionally heteroatoms and methods of their use in electrochemical reactions.
Resumen de: US20260218905A1
0000 A combustion system is provided. The combustion system includes a topping cycle. The combustion system further includes a fuel cell including an anode side, a cathode side, and an electrolyte. The anode side receives fuel via an anode inlet line and generates anode output products containing a first portion of hydrogen. The cathode side receives oxidants from a cathode inlet line. The combustion system further includes a separation system having a water gas shift reactor that produces a second portion of hydrogen from the anode output products. The topping cycle is fluidly coupled to the separation system such that the topping cycle receives the hydrogen produced from the anode output products.
Resumen de: US20260221474A1
0000 A compressor housing (4) having a humidification arrangement (32) configured to increase the humidity of compressed gas in a fuel cell system, a compressor housing assembly comprising the same, and a method of compressing and humidifying a gas in a fuel cell system are disclosed. The compressor housing (4) comprises an inlet portion (12) defining a compressor inlet (14) configured 2024/140782 to receive intake air, an impeller chamber portion at least partially defining an impeller chamber (18) in fluid communication with the compressor inlet (14), and an outlet portion (20) at least partially defining a compressor outlet (22) in fluid communication with the impeller chamber (18). The outlet portion (20) at least partially defines a humidification arrangement (32) configured to deliver a humidification liquid to the compressor outlet (22).
Resumen de: US20260218402A1
0000 A membrane having excellent radical durability and low gas permeability, a membrane electrode assembly including the membrane, and a water electrolysis apparatus are provided. A membrane having a laminated structure including a layer B1, a layer A, and a layer B2 in this order, in which the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted, and each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.
Resumen de: US20260217536A1
0000 To provide a graphene-containing composite structure having high catalytic activity, and a manufacturing method of the same. 0000 The above-described problem is solved by a graphene-containing composite structure comprising a graphene multilayer film doped with impurities on a surface of Ni nanoparticles that dissolve carbon. Such a composite structure is manufactured by layering, in close proximity to each other, a mixture obtained by mixing a nano-metal powder composed of Ni, a metal carbide heated by microwaves, and a zeolite-based catalyst, and a susceptor that includes an impurity source providing the impurities and is heated by microwaves, and circulating a reaction gas containing hydrocarbons while performing irradiation with microwaves.
Resumen de: US20260218672A1
An apparatus suitable for a hydrogen application includes: a hydrogen preparation unit designed to supply a hydrogen-containing gaseous medium with at least 85 volume percent hydrogen at a pressure between a lower limit and an upper limit; a hydrogen collector unit comprising one or more pipe elements that together define an interior space bordered by a wall; a hydrogen processing unit adapted for processing and/or using the hydrogen-containing medium. The apparatus is configured to feed the hydrogen collector unit with the hydrogen-containing medium from the hydrogen preparation unit and to supply the hydrogen-containing medium from the hydrogen collector unit to the hydrogen processing unit, where the upper limit is at most 50 bar, and each of the one or more pipe elements is a casting made from nodular cast iron with a tensile strength of at most 600 MPa.
Resumen de: US20260221469A1
The present disclosure relates to a method for manufacturing a fuel cell catalyst comprising a porous carrier having adjusted physical properties, a fuel cell catalyst, and a membrane-electrode assembly and, more specifically, to a method for manufacturing a fuel cell catalyst, a fuel cell catalyst, and a membrane-electrode assembly, the method comprising: a first step of preparing a porous carrier; and a second step of manufacturing a fuel cell catalyst by supporting a metal catalyst on the porous carrier of the first step, wherein the porous carrier has specific pore physical properties.
Resumen de: US20260221470A1
0000 Problem To provide a catalyst-loaded carbon having a high initial activity and excellent durability. SolutionA catalyst-loaded carbon including catalyst particles and a carbon support, the catalyst particles being loaded on the carbon support. The carbon support has a crystallite size of 3.5 nm or greater and 9 nm or less, a BET specific surface area of 300 m<2>/g or greater and 450 m<2>/g or less, and a pore size of 5.0 nm or greater and 20.0 nm or less. The catalyst particles are made of platinum or a platinum alloy, have a crystallite size of 2.5 nm or greater and 5.0 nm or less and a surface area of 40 m<2>/g or greater and 80 m<2>/g or less.
Resumen de: US20260218393A1
0000 The invention provides a system for continuous generation of gases, the system comprising an electrochemical device and an active-material regeneration device.
Resumen de: US20260221481A1
In this disclosure, an ion-conducting membrane, a component having the ion-conducting membrane and a process for making the membrane and the component are disclosed. The ion-conducting membrane includes a homogenous blend and one or more additives. The selected one or more polymers are present in a mass-percentage in a range from 1% to 40. The present ion-conducting membrane simultaneously increases the power and efficiency of the devices by combining advances in materials chemistry, nanotechnology, and manufacturing. The present ion-conducting membrane overcomes limitations in the currently known technologies without compromising the advantageous properties. The present membrane provides non-linear performance enhancement in electrochemical devices that leads to overall system level cost reduction.
Resumen de: DE102025103034A1
Es wird ein Brennstoffzellenmodul (13) mit mindestens zwei Brennstoffzelleneinheiten (14) vorgeschlagen, das mehrere Sensoren (51) zur Erfassung sicherheitsrelevanter Daten (20) und Aktuatoren (50) umfasst. Das Brennstoffzellenmodul (13) ist zur Steuerung (103) der Aktuatoren (50) in Abhängigkeit der sicherheitsrelevanten Daten (20) und/oder zur Übertragung (102) von sicherheitsrelevanten Informationen (21) basierend auf den sicherheitsrelevanten Daten (20) mittels einer Modulkommunikationsschnittstelle (16) ausgebildet.
Resumen de: US20260221468A1
A method includes forming a wet electrode by mixing Pt-based/C catalyst nanoparticles with a surface modification agent such that a passivating layer is formed on surfaces of Pt-based nanoparticles of the Pt-based/C catalyst nanoparticles, and mixing the passivated Pt-based/C catalyst nanoparticles with an ionomer. The method also includes drying the wet electrode to form a dry electrode, and electrochemically cycling the dry electrode such that the passivating layer is removed from the surfaces of the Pt-based/C nanoparticles of the dry electrode and a clean dry electrode is formed. Also, the clean dry electrode is assembled into a HC-PEM fuel cell.
Resumen de: WO2026160413A1
Provided is a catalyst layer production method with which it is possible to produce a catalyst layer applicable to a membrane electrode assembly capable of achieving a fuel cell having excellent power generation durability. The catalyst layer production method comprises forming a catalyst layer by applying a composition containing a fluorine-containing polymer including a unit having an ion exchange group, a catalyst containing a metal, and a solvent onto a temporary support, wherein the unit having an ion exchange group has two ion exchange groups, the solvent includes an alcohol, the content of propanol in the alcohol is greater than that of alcohols other than the propanol, and the amount of the metal in the catalyst layer is more than 0.2 mg/cm2.
Resumen de: DE102025103018A1
Es wird ein Verfahren (100) zur Steuerung eines Brennstoffzellenmoduls (10) umfassend mindestens zwei Brennstoffzelleneinheiten (11) vorgeschlagen, wobei jede Brennstoffzelleneinheit (11) einen Gaseingang (12a) und einen Gasausgang (12b) für Brenngas umfasst. Das Verfahren (100) umfasst ein Messen (101) einer jeweiligen H2-Konzentration des Brenngases in einer brenngasseitigen Ableitung (21b) nach dem Gasausgang (12b) jeder Brennstoffzelleneinheit (11) mittels eines jeweiligen der Brennstoffzelleneinheit zugeordneten H2-Sensors (60), und eine Steuerung (102) des Brennstoffzellenmoduls (10) in Abhängigkeit von den gemessenen H2-Konzentrationen.
Resumen de: DE102025103024A1
Es wird ein Verfahren (100) zur Steuerung eines Brennstoffzellenmoduls (10) umfassend mindestens zwei Brennstoffzelleneinheiten (11), wobei jede Brennstoffzelleneinheit (11) einen Lufteingang (13a) und einen Luftausgang (13b) umfasst, vorgeschlagen. Das Verfahren (100) umfasst ein Messen (101) einer jeweiligen Temperatur der Luft in einer luftseitigen Ableitung (70b) nach dem Luftausgang (13b) jeder Brennstoffzelleneinheit (11) mittels eines der Brennstoffzelleneinheit zugeordneten Temperatursensors (40), und eine Steuerung (102) des Brennstoffzellenmoduls (10) in Abhängigkeit von den gemessenen Temperaturen.
Resumen de: US20260221478A1
0000 A method for manufacturing a membrane electrode assembly for an electrochemical cell includes providing a first substrate including a first film coated from one or more polymeric materials; coating a first electrode on the first substrate; coating a membrane layer on the first electrode; providing a second substrate including a second film coated from one or more polymeric materials; coating a second electrode on the second substrate; arranging a sub-gasket between and in contact with a periphery of the membrane layer and the second electrode; hot pressing the second electrode to the membrane layer with the sub-gasket at least partially arranged between the second electrode and the membrane layer; and removing the first substrate and the second substrate.
Resumen de: US20260221472A1
0000 A system comprising a fuel cell, a coolant circuit, and a dehydrogenation reactor for a liquid organic hydrogen carrier (LOHC). The fuel cell has an operating temperature about, or less than, an operating temperature of the dehydrogenation reactor. The coolant circuit is configured to circulate a coolant from a heat-exchanger of the fuel cell through a temperature lift stage to a heat-exchanger of the dehydrogenation reactor. The temperature lift stage of the coolant circuit is configured to raise the temperature of the coolant. A hydrogen-rich LOHC (LOHC
Nº publicación: WO2026159405A1 30/07/2026
Solicitante:
GAZTRANSPORT ET TECHNIGAZ [FR]
GAZTRANSPORT ET TECHNIGAZ
Resumen de: WO2026159405A1
The invention relates to a floating structure comprising: a tank for a gas in the liquid state; a first circuit (30) for supplying gas taken from the tank, which circuit extends to a point (40) for distributing the gas to at least one gas-consuming apparatus; a main supply line (31) connecting the at least one gas-consuming apparatus to the distribution point; a fuel cell (50) emitting CO2-laden gases; a system (60) for treating the gases emitted by the fuel cell, which system comprises a device (61) for condensing the CO2, and a heat exchanger (70) exchanging heat between the CO2-laden gases circulating in the condensation device and the gas circulating in the first supply circuit.
BOPI
Sede Electrónica
