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468
resultados
Última actualización
14/07/2026 [07:41:00]
Resultados 75 a 100 de 468
Resumen de: US20260193793A1
0000 Provided are a membrane electrode assembly that can suppress unevenness of contact resistance (variation within a surface) and local current concentration and a method for manufacturing a membrane electrode assembly. 0000 Solution This membrane electrode assembly comprises: an ion exchange membrane having a first surface and a second surface located on the opposite side of the first surface; a cathode catalyst layer disposed further to the first surface side than the ion exchange membrane; an anode catalyst layer disposed further to the second surface side than the ion exchange membrane; and an ionomer layer provided so as to be separate from the cathode catalyst layer and the anode catalyst layer between the ion exchange membrane and the cathode catalyst layer and between the ion exchange membrane and the anode catalyst layer, the ionomer layer forming a layered structure together with the cathode catalyst layer and the anode catalyst layer.
Resumen de: US20260197903A1
0000 The invention relates to an electrically heatable fluid line (10) for a component (11) of an electrochemical energy converter, said fluid line being made of a plastic (14) which is mixed with electrically conductive particles (13), having an outer lateral surface (15) and an inner lateral surface (16), and having at least one first electrical contact (17) and at least one second electrical contact (18), wherein the at least one first electrical contact (17) and the at least one second electrical contact (18) are arranged on the outer lateral surface (15) in a mutually spaced manner.
Resumen de: US20260196546A1
The composite member includes a polycrystalline first member, a second member, and a boundary portion. The first member contains a first material. The second member contains a second material different from the first material. The boundary portion is located between the first member and the second member and containing the first material and the second material. The boundary portion includes a first portion and a second portion. The second portion is thicker than the first portion.
Resumen de: US20260196539A1
The invention presented here relates to a method (100) for drying a fuel cell system (200). The method (100) comprises: a cathode path drying step (101) in which: shut-off valves (205, 207) at the cathode inlet and cathode outlet of the fuel cell system (100) are opened, a cathode path of the fuel cell system (200) is dried by means of a specified air mass flow, a turbine bypass path (213) is opened to a specified maximum permissible opening position, wherein the maximum permissible opening position is selected in such a way that it causes a mass flow through a turbine path (219), running parallel to the turbine bypass path (213), towards a turbine (211) of the fuel cell system (200), which mass flow is greater than or equal to a specified minimum turbine threshold value.
Resumen de: WO2026144267A1
The present application discloses a fuel cell combined heat and power control system and a working machine. The control system comprises a stack heat exchange device, a fuel heating device, a heat storage device, and a control device. The control device is configured to: when a fuel cell stack is normally started and a heat storage condition is met, control a stack heat exchange flow channel of the stack heat exchange device to be communicated with a heat storage fluid flow channel of the heat storage device to form a heat storage working loop; and during cold start of the fuel cell stack, control a fuel heating flow channel of the fuel heating device to be communicated with the heat storage fluid flow channel of the heat storage device to form a heat supply working loop. Thus, excess heat can be collected in the heat storage device, and during cold start, the heat storage device can heat solid fuel in a solid fuel storage device. Compared with the prior art, the radiator and the electric heater are omitted, and the waste heat from the reaction of the fuel cell stack can be efficiently utilized by means of the heat storage device, thereby achieving the effect of energy conservation.
Resumen de: US20260196544A1
The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.
Resumen de: US20260196545A1
0000 The present invention relates to a proton exchange membrane, to the process for preparing said membrane, and to the application of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry, or in energy fields. In particular, this membrane is used in the design of fuel cell membranes.
Resumen de: US20260196547A1
A redox-flow battery includes a cell having two half-cells, each half-cell having a half-cell interior for receiving an electrolyte, an electrode and a membrane being associated with each cell and the half-cells being arranged in a stack, electrolyte supply means and/or electrolyte discharge means being assigned to each half-cell, and the electrolyte supply means being connected to an electrolyte reservoir via a supply line and the electrolyte discharge means being connected to an electrolyte reservoir via a discharge line. The supply line is subdivided into supply sub-lines; the discharge line is subdivided into discharge sub-lines; the supply sub-line and/or the discharge sub-line is/are assigned to two or more half-cells; and the supply sub-lines and the discharge sub-lines are arranged outside the stacking surfaces of the half-cells.
Resumen de: US20260196532A1
A gasket molding method for molding a gasket on a workpiece includes, in the stated order: an application step of applying an active energy ray curable liquid having a structural viscosity ratio of 1.5 or more and 4.0 or less into a cavity of a molding die; a bonding step of bonding the molding die coated with the active energy ray curable liquid and the workpiece to each other; a curing step of curing the applied active energy ray curable liquid by irradiation with an active energy ray; and a mold release step of pulling off the cured active energy ray curable liquid from the molding die together with the workpiece, in which the application step includes an overlapping region of application trajectories. Accordingly, there is provided a gasket molding method by which mixing of air bubbles in an overlapping region of application trajectories is suppressed.
Resumen de: US20260196529A1
A gasket device includes: a first gasket made of an elastic body; and a separator having a pair of surfaces facing away from each other. The first gasket is in an annular shape and attached to the surface of the separator in such a manner as to surround an opening. Moreover, the first gasket includes an annularly extending lip projecting in a direction that the surface of the separator faces. The lip has different heights on a side of the opening and an opposite side to the side of the opening.
Resumen de: US20260193799A1
0000 A cell frame adapted for use in a pressurized electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighboring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Resumen de: US20260194191A1
0000 The invention relates to a tank system (100) for a hydrogen powered vehicle, wherein the tank system (100) comprises at least one cylindrical tank container (200) for storing a gaseous medium, in particular hydrogen, and a valve device (4). The at least one tank container (200) and the valve device (4) are operatively connected and fluidly connected to one another. The at least one tank container (200) has a tank container interior (2), wherein the valve device (4) has a flow device (6), which flow device (6) is at least partly arranged within the tank container interior (2) and by means of which flow device (6) the tank container interior (2) can be filled with a gaseous medium, in particular hydrogen. The flow device (6) additionally has a bypass (12) with a first branch (8) and a second branch (9), said first branch (8) being arranged coaxially to a longitudinal axis (14) of the tank container (200) and said second branch (9) having a longitudinal axis (140) which longitudinal axis (140) is arranged in an angular range a between 15 degrees and 60 degrees relative to the longitudinal axis (14) of the tank container (200), wherein deflecting elements (5) are arranged in the tank container interior (2), by means of which deflecting elements (5) the flow of the gaseous medium, in particular hydrogen, can be deflected.
Resumen de: US20260196538A1
Some embodiments of the teachings herein include a method for ascertaining a humidity of a gas stream at a measuring point in a fuel cell system comprising the measuring point and a reference point chosen such that the gas stream has approximately equal hydrogen-to-nitrogen ratios at the reference point and the measuring point, the reference point chosen such that the gas stream has a known humidity at the reference point. An example includes: measuring the hydrogen-to-nitrogen ratio of the gas stream at the measuring point using a first sensor; measuring the hydrogen-to-nitrogen ratio of the gas stream at the reference point using a second sensor; and ascertaining the humidity of the gas stream at the measuring point based at least in part on a difference between the first and the second hydrogen-to-nitrogen ratio.
Resumen de: US20260196540A1
The method for running in a fuel cell of the PEMFC type includes at least a first running-in phase, then an operation of reversing the direction of the hydrogen and air flows, then a second running-in phase. The running-in phases each includes a fuel cell stabilisation step in which the current density produced by the cell is kept constant at a low value for a given period, then an oxygen depletion step, during which the current density is kept constant at a minimum value, less than or equal to the low value, and during which the air supply is at least partially cut off, being adjusted so as to obtain a cathodic stoichiometric coefficient strictly less than 1. The oxygen depletion steps of the first and second run-in phases end when the cell voltage of the fuel cell reaches a predefined threshold voltage.
Resumen de: US20260196528A1
Disclosed is a fuel cell stack sub-assembly. The fuel stack sub-assembly may include a compression band that is adjustable. The fuel stack sub-assembly may include polymeric or composite end units with integrated balance of plant.
Resumen de: WO2026147720A2
A system comprising an electrolyte and a composite membrane is described. The composite membrane comprises a microporous polymer scaffold comprising a plurality of scaffold pores, each of said scaffold pores having a pore volume and the microporous polymer scaffold having a scaffold pore volume, and a colloidal condensed phase within the plurality of scaffold pores. The colloidal condensed phase comprises sub-micron particles within the scaffold pore volume, and the composite membrane comprises a plurality of composite membrane pores which are defined at least in part by the colloidal condensed phase. The system may be useful as an electrochemical separator. Also described are an electrochemical device comprising an anode, a cathode, and the system of the disclosure, uses of the system, and methods of manufacturing the system. A supported liquid membrane comprising a composite membrane as described in the disclosure, and a liquid is also described.
Resumen de: DE102025100312A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Vorkonditionieren von Komponenten eines Brennstoffzellenstapels (201) eines Brennstoffzellensystems, wobei das Verfahren (100) umfasst:- Einleiten (101) einer Anzahl erster Fluide in einen Kathodenraum (205) des Brennstoffzellenstapels (201),- Einleiten (103) einer Anzahl zweiter Fluide in einen Anodenraum (209) des Brennstoffzellenstapels (201),wobei zumindest die Anzahl erster Fluide Wasserdampf umfasst,wobei das Verfahren (100) lastfrei durchgeführt wird.
Resumen de: US20260196542A1
A computer-implemented method when executed by data processing hardware causes the data processing hardware to perform operations. The operations include estimating, via an adaptive algorithm, a balance of plant (BoP) power loss of a BoP of a fuel cell system (FCS), receiving, at the adaptive algorithm, an application power request, and executing, via the adaptive algorithm, a BoP degradation computation. The operations also include learning, via a plurality of sensors, a BoP loss error in the estimated BoP power loss based on a comparison with the BoP degradation computation, applying, based on the learned BoP loss error, an adaptation factor to the BoP degradation computation, and generating, via the adaptive algorithm, a stack power request based on the application power request and the estimated BoP power loss.
Resumen de: WO2026146103A1
Installation (1) comprising a thermal enclosure (2) housing an electrochemical device (3) of the high-temperature electrolyzer or high-temperature fuel cell type. The installation (1) comprises a dilution device (4) configured to introduce into the enclosure (2) a purge fluid such as ambient air, so as to reduce the risk of explosion associated with hydrogen and oxygen leaks. Corresponding method.
Resumen de: DE102025100307A1
Die vorliegende Erfindung betrifft eine Fluidführungseinheit (100) für eine Brennstoffzellenvorrichtung (102), wobei die Fluidführungseinheit (100) aufweist: einen Grundkörper (106), in welchem ein Innenraum (114) ausgebildet ist, wobei im Grundkörper (106) ferner zumindest ein Zuführkanal (116, 118) zum Zuführen eines ersten Fluidstroms (120), insbesondere Abgasstroms (120), in den Innenraum (114) ausgebildet ist; einen Abführkanal (110), welcher im Innenraum (114) zumindest teilweise angeordnet ist und zum Abführen eines zweiten Fluidstroms (122), insbesondere eines zumindest Teile von dem Abgasstrom (120) aufweisenden Rezirkulationsstroms (122), aus dem Innenraum (114) dient; und eine passive Rezirkulationsvorrichtung (112), welche im Innenraum (114) des Grundkörpers (106) angeordnet ist, wobei über die passive Rezirkulationsvorrichtung (112) ein dritter Fluidstrom (124), insbesondere ein Brennstoffmedium aufweisender Treibstrom (124), in den Innenraum (114) zuführbar ist und wobei mittels der passiven Rezirkulationsvorrichtung (112) ein vierter Fluidstrom (126), insbesondere ein zumindest Teile von dem Abgasstrom (120) und zumindest Teile von dem Treibstrom (124) aufweisender Rezirkulationsstrom (126), aus dem Innenraum (114) abführbar ist.Ferner betrifft die vorliegende Erfindung eine Brennstoffzellenvorrichtung (102) für ein Fahrzeug sowie Verfahren zum Betreiben einer Brennstoffzellenvorrichtung (102).
Resumen de: US20260196537A1
0000 A fuel cell module includes a fuel cell and a gas-liquid separator. The gas-liquid separator includes: a diluter having a first space into which oxidizing agent gas and first product water flow; a second space into which hydrogen gas and second product water flow; and an outlet through which the hydrogen gas is discharged through the first space, and a water tank. The gas-liquid separator includes at least one first communication port through which these product water flow from the first space into the water tank, at least one second communication port through which these second product water flow from the second space into the water tank, a first plate portion extending from the first communication port toward a bottom of the water tank, and a second plate portion extending from the second communication port toward the bottom of the water tank.
Resumen de: DE102025100395A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Luftsystems (1) mit einem Zuluftpfad (2), über den mindestens einem Brennstoffzellenstapel (3) Luft zugeführt wird, und einem Abluftpfad (4), über den die aus dem mindestens einen Brennstoffzellenstapel (3) austretende Luft abgeführt wird, wobei die Luft im Zuluftpfad (2) mit Hilfe eines ein- oder mehrstufigen Luftverdichters (5) verdichtet und vor ihrem Eintritt in den Brennstoffzellenstapel unter Verwendung mindestens eines Wärmeübertragers (6) mit Luft aus dem Abluftpfad (4) oder mit einem Kühlmittel gekühlt wird. Erfindungsgemäß wird dem mindestens einen Wärmeübertrager (6) flüssiges Wasser zugeführt und das zugeführte flüssige Wasser wird an einer außenliegenden Oberfläche (7) des mindestens einen Wärmeübertragers (6) verdunstet, so dass über Verdunstungskühlung eine zusätzliche Kühlung erzielt wird.Die Erfindung betrifft ferner einen Wärmeübertrager (6) für ein Luftsystem (1) sowie ein Luftsystem (1) mit einem erfindungsgemäßen Wärmeübertrager (6).
Resumen de: WO2026146935A1
The present application relates to a metal separator and a manufacturing method therefor. According to the present application, a metal separator having excellent electrical conductivity and corrosion resistance and a manufacturing method therefor can be provided.
Resumen de: WO2026146616A1
This evaluation device 101, 201 for evaluating the performance of a specimen C comprises a gas humidification device 5. The gas humidification device 5 humidifies a first gas G1 and supplies the humidified gas to the specimen C. The gas humidification device 5 is provided with a cylindrical flow passage part 51 and a storage part 52. The flow passage part 51 is permeable to moisture. The first gas G1 flows inside the flow passage part 51. The storage part 52 accommodates the flow passage part 51 together with water and/or steam.
Nº publicación: US20260196535A1 09/07/2026
Solicitante:
ZF CV SYSTEMS GLOBAL GMBH [CH]
ZF CV Systems Global GmbH
Resumen de: US20260196535A1
A volute is for a flow machine for a fuel cell system of a vehicle, in particular a utility vehicle. The volute has: a flow inlet for supplying the volute with an air flow which includes fluid constituents; and a helical flow body for guiding the air flow; wherein the flow body has an outlet opening for discharging the fluid constituents, which are separated from the air flow within the flow body, out of the flow body.
BOPI
Sede Electrónica
