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540
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Última actualización
13/10/2025 [15:20:00]
Resultados 225 a 250 de 540
Resumen de: DE102024108741A1
Die Erfindung betrifft eine Dichtvorrichtung (10) zum Einsatz in einer Brennstoffzelle (20) mit einem ersten Dichtabschnitt (1) und einem zweiten Dichtabschnitt (2), die auf gegenüberliegenden Seiten einer Membrane (3), insbesondere einer Subgasket, anordbar sind und die einen Mediumfluss entlang der Membrane (3) verhindern können, wobei zumindest einer der beiden Dichtabschnitte (1, 2) zum Toleranzausgleich mehrere nebeneinander angeordnete Dichtlippen (2.1) aufweist.
Resumen de: DE102024109010A1
Die hier offenbarte Technologie betrifft erfindungsgemäß ein Verfahren zum Ermitteln eines Alterungsfaktors, basierend auf welchem ein Alterungszustand einer Brennstoffzelle ermittelbar ist, aufweisend die Schritte: Bereitstellen einer Neu-Polarisationskurve (11) einer Neu-Brennstoffzelle, Bereitstellen einer Schaden-Polarisationskurve (12) einer Schaden-Brennstoffzelle, Ermitteln des Alterungsfaktors basierend auf der Neu-Polarisationskurve (11) und der Schaden-Polarisationskurve (12). Die Technologie betrifft ferner eine Ermittlungsvorrichtung (10) und ein Computerprogrammprodukt (30) zum Ausführen des Verfahrens sowie ein computerlesbares Speichermedium (40), auf welchem das Computerprogrammprodukt (30) gespeichert ist.
Resumen de: US2025309290A1
An electrochemical hydrogen compression system comprises a hydrogen compression stack having a unit cell including an electrolyte membrane, an anode disposed on one surface of the electrolyte membrane, and a cathode disposed on another surface of the electrolyte membrane, and that supplies a hydrogen gas to the anode, and delivers from the cathode the hydrogen gas which has been compressed, an electrical power source device that applies a voltage to the hydrogen compression stack, a hydrogen supply device that supplies the hydrogen gas to the hydrogen compression stack, a storage device that stores the hydrogen gas output from the hydrogen compression stack, and a return flow path that returns the hydrogen gas output from the hydrogen compression stack to the hydrogen supply device, wherein a hydrogen storage tank that stores the hydrogen gas is provided in the return flow path.
Resumen de: US2025309287A1
A fuel cell stack including a cell stacked body having cell units, a housing, and a positioning member supported by an inner side surface of the housing. The cell unit includes a membrane electrode structure including a membrane electrode assembly and a film member made of resin, and a separator disposed facing the membrane electrode structure and provided with a positioning portion. The film member includes an exposed portion extending outward beyond the positioning portion, the cell unit includes a reinforcing member bonded to the exposed portion, the reinforcing member includes a first positioned portion positioned by the positioning portion and a second positioned portion engaged with or fitted to the positioning member, and an edge of the second positioned portion is positioned at the same position as an outer edge of the film member, or protrudes outward beyond the outer edge of the film member.
Resumen de: US2025305168A1
The present disclosure provides composite ion exchange membranes and methods of making the same. The composite ion exchange membranes of the present disclosure generally include a first and second coating layer comprising an ionomer and a catalyst coated on opposite sides of a reinforcing polymer sheet, and a third and fourth coating layer comprising an ionomer coated on the first and second coating layers. The first and second coating layers may be coated on the reinforcing polymer sheet via doctor blade casting or dip coating techniques. The catalyst may be incorporated within the first and second coating layers of the composite ion exchange membrane using in situ or ex situ techniques.
Resumen de: US2025305167A1
The present disclosure relates to electrode compositions, in particular electrode compositions comprising hybrid electrode particles, which can be used in solid oxide electrochemical cells. The present disclosure also relates to processes for preparing hybrid electrode particles. The present disclosure also relates to electrodes, including sintered electrodes, comprising the electrode compositions, and to solid oxide electrochemical cells comprising the electrode compositions.
Resumen de: US2025305160A1
An electrolyte membrane comprising a recombination catalyst layer. The membrane has a thickness of less than or equal to 100 μm and is a single coherent polymer film comprising a plurality of ion conducting polymer layers. The recombination catalyst layer comprises particles of an unsupported recombination catalyst dispersed in an ion conducting polymer and the layer has a thickness in the range of and including 5 to 30 μm. Catalyst coated membranes (CCMs) incorporating the electrolyte membranes are also provided, together with methods of manufacturing the electrolyte membranes.
Resumen de: WO2025202585A1
The present invention relates to a functionalised vinyl acetate compound and the use thereof in different applications.
Resumen de: DE102024108549A1
Die vorliegende Erfindung betrifft einen Katalysator, der Folgendes umfasst:i) einen Katalysatorträger, der aus einem Material besteht, der ausgewählt ist aus der Gruppe umfassend Zeolithe, Ceroxid, CeO2, Magnesiumoxid, MgO, Zirkondioxid, ZrO2, Siliciumdioxid, SiO2, Titandioxid, TiO2, und Aluminiumoxid, Al2O3, Mischungen und Mischoxide davon,ii) Mangan-promotiertes Ruthenium auf dem Katalysatorträger geträgert, wobei Mangan in einem Bereich von 0.01 Gew.-% bis 40 Gew.-%, basierend auf das Gewicht des Katalysators, und Ruthenium in einem Bereich von 0.01 Gew.-% bis 20 Gew.-%, basierend auf das Gewicht des Katalysators, vorliegen. Ein solcher Katalysator weist eine ausgezeichnete Selektivität für die Oxidation von Kohlenstoffmonoxid in Gegenwart von Wasserstoff in einem breiten Temperaturbereich auf. Daher kann dieser Katalysator in ein Verfahren zum Aufreinigen von Wasserstoff eingesetzt werden, der Verunreinigungen durch Kohlenstoffmonoxid enthält.
Resumen de: US2025308724A1
A flexible electrical conductor including an assembly comprising a flexible conductive core made of a first metal material and a sheath covering the conductive core and made of a second metal material having an electrical resistivity higher than the electrical resistivity of the first metal material; a first connection strip formed at least in part by the second metal material and connected to a first end of the assembly, wherein, at the first end of the assembly, the sheath and the first connection strip are bonded by TIG welding, and the conductive core and the first connection strip are bonded by fillet-brazing or soldering.
Resumen de: US2025309481A1
An electrically conductive member includes a first portion and a second portion having a resistivity different from that of the first portion. An electrochemical cell device includes an electrically conductive member and an electrochemical cell connected to the electrically conductive member. The electrochemical cell includes a first part connected to the first portion, and a second part connected to the second portion. A temperature of the first part is higher than a temperature of the second part. A resistivity of the first portion is larger than a resistivity of the second portion.
Resumen de: US2025309300A1
A hydrogen storage assembly includes an enclosure substantially encompassing an electrolyzer, a hydrogen storage system, a hydrogen fuel cell, an electrochemical energy storage module, a power conversion system, and a control system. The electrolyzer is configured to separate, via electrolysis, water into hydrogen gas that is stored in the hydrogen storage system; the hydrogen fuel cell is configured to convert the stored hydrogen gas into electrical energy and water. The electrochemical energy storage module is configured to function as an energy buffer; the power conversion system is configured to convert the produced electrical energy to a desired form. The control system is configured to control the storage and distribution of the stored hydrogen and electrical energy in an optimized manner to achieve predefined financial and energy-use objectives.
Resumen de: US2025309303A1
A manufacturing device of a laminated structure body has: a pair of crimping members disposed to face with each other; a cushion material having flexibility and conductivity on a portion of at least one crimping member of the pair of crimping members facing the other crimping member; a crimping device to hold, press, and crimp a plurality of laminated sheet-shaped members between the one crimping member and the other crimping member so as to constitute a laminated structure body; and, a short-circuit inspection circuit that detects presence or absence of a short-circuit spot in the laminated structure body during a process where the crimping device crimps the plurality of sheet-shaped members in one piece to constitute the laminated structure body.
Resumen de: US2025309304A1
A power generation cell including a membrane electrode assembly disposed to cover an opening of a frame, and a first and second separators disposed facing the membrane electrode assembly. The membrane electrode assembly includes an electrolyte membrane, first and second electrode catalyst layers, and first and second gas diffusion layers. The first separator includes first ribs to form partition walls for flow paths for first gas, the second separator includes second ribs to form partition walls for flow paths for second gas having lower pressure than the first gas, an end of the first gas diffusion layer along the first gas is positioned on an inner side closer to center of the opening, compared to an end of the second gas diffusion layer along the second gas, and is positioned on the inner side of ends of the plurality of second ribs.
Resumen de: WO2025202649A1
A carbon nitride film, wherein the thickness of the film is from 0.3 to 40nm. A product comprising substrate and the carbon nitride film, wherein the film is in contact with the substrate.
Resumen de: WO2025202484A1
The invention relates to a system comprising: a fuel cell operated with an anode gas; an infrared camera; a tank filled with liquid anode gas; evaporation means for evaporating the anode gas; and heat transfer means, the heat transfer means transferring heat from the infrared camera to the evaporated anode gas during operation.
Resumen de: WO2025202474A1
An electrochemical apparatus comprising: an anode; a bipolar membrane; an anion exchange membrane; a cation exchange membrane; and a cathode; wherein: the anode at least partially defines a first fluid flow path; the anode and/or the first fluid flow path is in contact with the anion exchange membrane of the bipolar membrane; a second fluid flow path is defined between the cation exchange membrane of the bipolar membrane and the anion exchange membrane; a third fluid flow path is defined between the anion exchange membrane and the cation exchange membrane; the cathode at least partially defines a fourth fluid flow path; and the cation exchange membrane is in contact with the cathode and/or the fourth fluid flow path.
Resumen de: US2025309367A1
A separable secondary battery stack includes a positive electrode module, a negative electrode module, and an electrolyte module. Every two of the positive electrode module, the negative electrode module, and the electrolyte module are mutually connected by means of a conveying channel in a loop; and the conveying channel is used for conveying an electrolyte.
Resumen de: US2025309411A1
The invention relates to a power supply system comprising a modular combination of a hydrogen generation unit, a hydrogen usage unit and a control or regulation unit for controlling or regulating the operation of the hydrogen generation unit and the hydrogen usage unit.
Resumen de: US2025309296A1
A system and a method of controlling the fuel system are introduced. The fuel cell system may comprise a hydrogen tank configured to store hydrogen a fuel cell configured to receive, based on a state of the hydrogen tank, the hydrogen from the hydrogen tank a sensor configured to measure at least one of an output current or an output voltage of the fuel cell and a processor configured to determine the state of the hydrogen tank, wherein the state is associated with an amount of hydrogen filled in the hydrogen tank determine, based on the output voltage of the fuel cell, a purity level of the hydrogen stored in the hydrogen tank, wherein the output voltage is obtained based on the state of the hydrogen tank and open, based on the purity level of the hydrogen being unsatisfactory, a purge valve for discharging residual hydrogen from the fuel cell.
Resumen de: US2025309302A1
The present disclosure relates to a gas-liquid separator including a first pipe member, a second pipe member configured to communicate with the first pipe member and connected to an upper end of the first pipe member based on a gravitational direction, and a gas-liquid separation member provided in the first pipe member and the second pipe member so that droplets contained in air, which moves upward along the first pipe member and the second pipe member, come into contact with the gas-liquid separation member, thereby advantageously and effectively capturing droplets from air discharged from a fuel cell stack.
Resumen de: US2025309293A1
An embodiment of the present disclosure relates to an energy generation system including a first energy generation part configured to generate electrical energy on the basis of an electrochemical reaction of a target fluid, and a second energy generation part configured to operate by receiving water discharged from the first energy generation part and generate electrical energy on the basis of a potential difference made by a movement and evaporation of the water, thereby obtaining an advantageous effect of improving energy generation efficiency.
Resumen de: US2025303839A1
A vehicle frame for a fuel cell includes a first frame, a second frame, and a support frame interconnecting the first frame and the second frame and provided with a fluid tank and a battery mounted thereon. The fluid tank includes a pair of fluid tanks on outer sides of the first frame and the second frame in a width direction, and the battery is disposed between the pair of fluid tanks.
Resumen de: WO2025202358A1
The present invention relates to an electrolyte solution for a redox flow battery with organic compounds from a specific group of ketazines of the following formula (I) as a redox system. The present invention further relates to a method of operating an electrically rechargeable redox flow battery and to the use of organic compounds of the formula (I) and the oligomers and polymers thereof as a redox system for storing and releasing electrical energy.
Nº publicación: WO2025202580A1 02/10/2025
Solicitante:
CENTRE NATIONAL DE LA RECHERCHE SCIENT [FR]
UNIV DE LIMOGES [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE,
UNIVERSITE DE LIMOGES
Resumen de: WO2025202580A1
The present invention relates to the implementation of processes for co-casting and/or co-extrusion coupled with phase inversion. More precisely, the present invention relates to a process for co-casting and/or co-extrusion by phase inversion comprising the following steps: - a step of shaping by co-casting and/or co-extrusion of a polymer solution loaded with ceramic powder and a gelled water; and - a step of phase inversion, the steps of casting or extrusion and phase inversion being carried out simultaneously. The present invention also relates to a strip, preferably a ceramic strip or ceramic-metal strip, obtained by the process as defined hereinbefore. The present invention also relates to a tube, preferably a ceramic tube, obtained by the process as defined hereinbefore. The present invention also relates to the use of the process as defined hereinbefore for the manufacture of strips, preferably ceramic strips and/or ceramic-metal strips or tubes, preferably ceramic tubes. The present invention also relates to the use of the process as defined hereinbefore or of the strip, preferably of the ceramic strip, as defined hereinbefore, or of the tube, preferably of the ceramic tube as defined hereinbefore, for the manufacture of membranes, preferably ceramic membranes such as ceramic-metal (cermet) membranes, the manufacture of filters, preferably ceramic filters and/or the manufacture of electrochemical cells, preferably the manufacture of fuel cells and the manufacture of e
BOPI
Sede Electrónica
