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347
resultados
Última actualización
13/09/2026 [06:47:00]
Resultados 225 a 250 de 347
Resumen de: US20260257217A1
0000 Ion exchange membranes and materials including silica-based ceramics with ion exchange functional groups and hydrophobic groups, and associated methods, are provided. In some aspects, ion exchange membranes that include a silica-based ceramic that forms a coating on and/or within a porous support membrane are described. The ion exchange membranes and materials may have certain structural or chemical attributes (e.g., pore size/distribution, chemical functionalization) that, alone or in combination, can result in advantageous performance characteristics in any of a variety of applications for which selective transport of charged ions through membranes/materials is desired. In some embodiments, the silica-based ceramic contains relatively small pores (e.g., substantially spherical nanopores) that may contribute to some such advantageous properties. In some embodiments, the ion exchange membrane or material has relatively high stability even at elevated temperatures.
Resumen de: US20260260921A1
0000 Provided is a method for manufacturing a polymer electrolyte membrane, the method comprising: applying a solvent to a polymer electrolyte membrane having defects on the surface thereof to swell the polymer electrolyte membrane; and applying heat and pressure to the swollen polymer electrolyte membrane
Resumen de: US20260260911A1
The present invention relates to a packing unit for a fuel cell humidifier, and a fuel cell humidifier, the packing unit comprising: a first packing body airtightly coupled to one end of a mid-case through mechanical assembly so that a first cap fluidically communicates only with hollow fiber membranes; and a condensate water discharge portion formed in the first packing body, wherein the condensate water discharge portion has one end fluidically communicating with the inside of the first cap and has the other end fluidically communicating with the inside of the mid-case so that condensate water located inside the first cap is discharged to the inside of the mid-case.
Resumen de: US20260260907A1
The present invention refers to a process for preparing a supported metallic, in particular a bimetallic, catalyst and the so-obtained catalyst combining high stability with unique electronic and structural properties.
Resumen de: US20260259268A1
0000 The present invention relates to a system (100) and method for inducing and determining a specific fault and/or impairment on a PEM fuel cell (10). In addition to a measurement of operating parameters, a comparison of measurement signals with reference signals and a determination of whether a specific fault and/or impairment is present, a control of operating parameters in a test operation is in particular carried out according to provided stress factor patterns in which critical settings and/or courses of operating parameters are stored for the purpose of inducing faults and/or impairments on the fuel cell under test (10).
Resumen de: US20260260916A1
0000 The present invention relates to a diagnostic method (100) for diagnosing at least one fuel cell of a fuel cell system, wherein the diagnostic method (100) comprises the following steps: providing (102) at least two different polarisation models (1) for extracting a diagnostic fuel cell parameter set (3) from a polarisation curve (2) of at least one fuel cell, recording (104) at least one polarisation curve (2) from at least one measurement of at least one fuel cell, applying (106) at least two of the previously recorded different polarisation models (1) to the at least one polarisation curve (2) of the at least one fuel cell, and extracting (108) a diagnostic fuel cell parameter set (3) from the at least one polarisation curve (2) of the at least one fuel cell for each of the applied polarisation models (1).
Resumen de: US20260260920A1
0000 Disclosed are an additive for a polymer electrolyte membrane fuel cell and a polymer electrolyte membrane fuel cell including the additive. The additive may include a carbon material having a predetermined shape and a perovskite compound having the formula Ce(Zr
Resumen de: WO2026179651A1
The present application discloses a fuel cell-based heat exchange device and a system. The solution comprises a primary heat exchange module, a burner, and a secondary heat exchange module. A hot-side input end of the primary heat exchange module is connected to an exhaust gas output end of a fuel cell stack, and a hot-side output end of the primary heat exchange module is connected to an input end of the burner. An output end of the burner is connected to a hot-side input end of the secondary heat exchange module, and a cold-side output end of the secondary heat exchange module is connected to an input end of the fuel cell stack. By providing the primary heat exchange module between the burner and the exhaust gas output end of the fuel cell stack, the temperature of stack exhaust gas entering the burner is reduced, thereby reducing the combustion temperature of the burner and the temperature of exhaust gas discharged from the burner, lowering the heat resistance requirements of the burner and the heat exchange module, and thus reducing implementation costs. The primary heat exchange module and the secondary heat exchange module are designed to reduce the number of exhaust gas distribution paths required for the burner output, thereby lowering design difficulty. Embodiments of the present application can be widely applied in the technical field of fuel cells.
Resumen de: US20260260906A1
To provide a catalyst layer-forming composition, the composition being capable of forming a catalyst layer of a membrane electrode assembly used for a polymer electrolyte fuel cell excellent in power generation performance durability. A catalyst layer-forming composition includes a fluorinated polymer that has a unit having a cyclic ether structure and has an ion exchange group, a catalyst, and a solvent, wherein the fluorinated polymer has an ion exchange capacity of 1.20 meq/g dry resin or less, the catalyst includes a carbon carrier and a metal supported on the carbon carrier, and a ratio of a mass of the fluorinated polymer to a mass of the carbon carrier is 0.6 to 1.5.
Resumen de: US20260257989A1
0000 Hexasubstituted 3 radialene compounds are described herein. In some embodiments, the hexasubstituted 3 radialene compounds exhibit desirable water solubility and reversible redox activity in aqueous solutions, thereby facilitating employment of such compounds in aqueous redox flow batteries.
Resumen de: US20260261226A1
0000 When providing alternating current (AC) power to operate AC powered devices such as power tools (such as drills, table saws, miter saws), equipment (such as lawn mowers), and consumer products (such as refrigerators, television, lights) without being tied to a fixed utility power supply typically requires a generator (such as an internal combustion engine based generator) or a battery powered inverter. In order to meet power and runtime needs for these devices, a battery powered inverter must be relatively large and expensive. This simple fact prohibits their use in many environments.
Resumen de: US20260260872A1
0000 A positive electrode active material which can improve cycle characteristics of a secondary battery is provided. Two kinds of regions are provided in a superficial portion of a positive electrode active material such as lithium cobaltate which has a layered rock-salt crystal structure. The inner region is a non-stoichiometric compound containing a transition metal such as titanium, and the outer region is a compound of representative elements such as magnesium oxide. The two kinds of regions each have a rock-salt crystal structure. The inner layered rock-salt crystal structure and the two kinds of regions in the superficial portion are topotaxy; thus, a change of the crystal structure of the positive electrode active material generated by charging and discharging can be effectively suppressed. In addition, since the outer coating layer in contact with an electrolyte solution is the compound of representative elements which is chemically stable, the secondary battery having excellent cycle characteristics can be obtained.
Resumen de: US20260260905A1
0000 The present invention is directed to methods of making a nanofiber-nanoparticle network to be used as electrodes of fuel cells. The method comprises electrospinning a polymer-containing material on a substrate to form nanofibers and electrospraying a catalyst-containing material on the nanofibers on the same substrate. The nanofiber-nanoparticle network made by the methods is suitable for use as electrodes in fuel cells.
Resumen de: US20260258524A1
A method of recycling a waste ionomer membrane comprising platinum, palladium and/or ruthenium disposed within an interior region of the waste ionomer membrane, the method comprising: (a) treating the waste ionomer membrane with a solution comprising an acid and an oxidant, wherein platinum, palladium and/or ruthenium is leached from the interior region of the waste ionomer membrane into the solution; and (b) separating the solution comprising leached platinum, palladium and/or ruthenium from the waste ionomer membrane which remains in solid form during the leaching process.
Resumen de: WO2025049517A1
A fluid transfer element is provided that may be used as a humidifier in a fuel cell application to transfer moisture from wet discharge air to incoming dry air from ambient. The element comprises an arrangement of hollow membrane tubes, also referred to as hollow membrane fibers, which have a passageway through the tubes and a separate passageway around the tubes through interstices between adjacent exteriors of tubes. The arrangement of the hollow membrane tubes comprises tubes having different flow cross-section areas arranged to provide different flow restriction properties, which can be provide by larger diameter tubes and smaller diameter tubes. The tubes may be arranged to reduce pressure drop and induce wet gas air flow into smaller interstices along the wet air flow path.
Resumen de: WO2025036702A1
The present invention relates to a method (100) for checking a tank system (200) comprising a plurality of high-pressure tanks (201, 203) as well as to a tank system (200).
Resumen de: WO2025017297A1
There is provided a method of preparing an ion-conducting membrane layer for a fuel cell or an electrolyser. The method comprises the steps of: (i) providing a donor substrate having opposing first and second surfaces and providing an ink disposed as a layer on the second surface, wherein the ink comprises a radiation absorber, an ion-conducting polymer, and a solvent; (ii) providing an acceptor substrate, wherein the second surface of the donor substrate faces towards the acceptor substrate; and (iii) irradiating the ink with laser radiation at a wavelength which is absorbed by the radiation absorber so as to transfer the ink from the donor substrate to the acceptor substrate.
Resumen de: WO2025002942A1
The present invention relates to a method for recycling a membrane electrode assembly from a fuel cell or a reformer. Further, the present invention relates to a polymer or a polymer solution obtained from the method according to the invention and to the use of the obtained polymer or polymer solution.
Resumen de: US20260260922A1
An electrical power source that includes two flow batteries, which are held at different temperatures from one another and the potential difference of which can be tapped as useful voltage. Electrolyte liquids are conducted comprehensively across the two flow batteries. A heat store is additionally incorporated into the energy source and the electrolyte liquids are conducted through the heat store so that they have their respective temperatures on the input side of the respective flow batteries. The heat store is held in the upper region at the higher of the two temperatures by feed elements arranged in the upper region and in the lower region at the lower of the two temperatures by feed elements arranged in the lower region. The temperature profile therebetween is established in accordance with the state of charge of the heat store.
Resumen de: US20260260913A1
A method for starting a fuel cell system (1), wherein the fuel cell system (1) comprises a fuel cell stack (101), an air line (10), an exhaust line (12), and a fuel line (20) having a recirculation circuit (50), wherein, prior to starting, a first valve (61) in the air line (10) and a second valve (62) in the exhaust line (12) are closed. The method comprises the steps of: a. starting an air compressor (11) in the air line (10);b. opening a recirculation valve (65) in an exhaust recirculation line (66);c. opening the first valve (61) and the second valve (62).
Resumen de: US20260260910A1
The disclosure relates to a fuel cell system consisting of at least a fuel cell, a coolant circuit having a coolant pump and a heat exchanger, a water separator, and a fan, which generates a gaseous medium flow, in particular an air flow, in the direction of the heat exchanger, wherein by means of a cooling device, which has a conveying device, the water separated in the water separator reaches a discharge device which, by means of spray nozzles, sprays the water into the environment, wherein by means of the spray nozzles, the discharge device sprays the water in a direction opposite of the direction of the medium flow generated by the fan.
Resumen de: WO2025124808A1
The invention relates to a system (1) for the generation of electric energy, comprising a first oxygen store (2) for oxygen or for an oxygen-containing gas and a first hydrogen store (3) for fluidic hydrogen, a first fuel cell (4) which is connected to the first oxygen store (2) via a first oxygen line (5) and to the first hydrogen store (3) via a first hydrogen line (6), and a first water outlet (7), said system (1) further comprising a second hydrogen store (8) for hydrogen which is bound to a hydrogen carrier and which can be released again by way of the addition of water, a second fuel cell (9) which can be supplied with oxygen via a second oxygen line (10) and which is further connected via a second hydrogen line (11) to the second hydrogen store (8) and has a second water outlet (12), wherein the first and the second water outlet (7, 12) are connected via first and second water lines (13, 14) to a water inlet (15) of the second hydrogen store (8). The invention further relates to a method for the generation of electric energy.
Resumen de: EP4800159A1
0001 The present invention relates to a process to react a gaseous reactant as well as a device to implement such.
Resumen de: EP4800057A1
0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.
Nº publicación: EP4800287A2 02/09/2026
Solicitante:
TOYOTA MOTOR CO LTD [JP]
Toyota Jidosha Kabushiki Kaisha
Resumen de: EP4800287A2
To enable a hydrogen tank to be efficiently filled with hydrogen even when the hydrogen tank has a large capacity, hydrogen filling at the nozzle flow is prohibited when the nozzle flow of a nozzle is larger than the receptacle flow of a receptacle or when the receptacle flow is unknown under the condition that the nozzle and the receptacle can be connected to each other.
BOPI
Sede Electrónica
