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386
resultados
Última actualización
04/08/2025 [06:47:00]
Resultados 275 a 300 de 386
Resumen de: US2025239636A1
A fuel cell system including a power storage device and an air pump sets a buffer that is allocated within a range of an amount of electrical power chargeable to and dischargeable from the power storage device, the buffer including, as an acceleration buffer, an amount of electrical power dischargeable from the power storage device to the air pump while a rotational speed of the air pump is accelerated, calculates steady AP power consumption of the air pump, and sets the acceleration buffer based on the calculated steady AP power consumption and rated electrical power of the air pump.
Resumen de: US2025239635A1
A fuel cell system may include a fuel cell stack and a flow path configured to supply gas containing oxygen to the fuel cell stack, in which the flow path comprises a first component including a first outlet for the gas and a second component located downstream of the first component and including an inlet integrated with the first outlet without a piping between the inlet of the second component and the first outlet. The fuel cell system may further include a branch flow path configured to branch the gas from the flow path, in which the first component further comprises a second outlet for the gas, and the branch flow path may include a third component including an inlet integrated with the second outlet without a piping between the inlet of the third component and the second outlet.
Resumen de: US2025239633A1
A heat exchanger may include: a first flow path; a second flow path exchanging heat with the first flow path; a third flow path exchanging heat with the second flow path; and a fourth exchanging heat with the third flow path, wherein each of the first and the third flow path may be connected to one of a flow path for fuel gas to be supplied to a fuel cell and a flow path for cooling water to be supplied to the fuel cell; and each of the second and the fourth flow path may be connected to one of the followings: a flow path for fuel off-gas discharged from the fuel cell, a flow path for oxidant gas to be supplied to the fuel cell, a flow path for oxidant off-gas discharged from the fuel cell, and a flow path for cooling water discharged from the fuel cell.
Resumen de: US2025239637A1
A electrochemical device includes a membrane electrode assembly, a gas diffusion layer positioned on one side of the membrane electrode assembly, and a porous transport layer positioned on an opposite side of the membrane electrode assembly. A thermoplastic film is impregnated within outer peripheral edges of the gas diffusion layer and the porous transport layer to form an electrochemical assembly with a sealed outer edge. A method of forming a an electrochemical device is also disclosed.
Resumen de: US2025239631A1
A fuel cell apparatus includes a fuel cell including a cell stack including a plurality of unit cells stacked in a first direction and a cell monitoring connector mounted to the fuel cell in a second direction intersecting the first direction. The fuel cell includes a plurality of separators included in each of the unit cells and spaced from each other in the first direction, and each of the separators include an external side surface in which a female-type connection portion is concavely formed. The cell monitoring connector includes a housing and a male-type connection portion convexly protruding from the housing to mate with the female-type connection portion and to make surface-contact with the external side surface of each of the separators within the female-type connection portion.
Resumen de: US2025239639A1
Electrochemical reaction fuel cell system, comprising:a cathode (8), an anode (1),one at least of the anode and of the cathode comprising at least one metal, one metal hydroxide or one metal oxide in the molten state,a solid electrolyte (7), placed between the cathode and the anode,at least one regenerator (4) for regenerating, starting from one at least of the oxidation-reduction reaction products which is recovered at at least one of the anode and of the cathode, by a reaction, at least one of the products constituting at least one of the anode or of the cathode or the fuel or oxidizer consumed at at least one of the anode or of the cathode,one of the regeneration products being reintroduced into the system as electrode made of liquid metal or liquid metal oxide or in the form of fuel or oxidizer, one of the reactions making possible said regeneration or making possible the regeneration of one of the reactants of the oxidation-reduction reaction being endothermic.
Resumen de: US2025239625A1
An electrocatalyst layer that is usable in contact with a polyelectrolyte membrane, including catalyst-supporting particles, polyelectrolyte containing fluorine atoms, and two or more types of fibrous materials, wherein the catalyst-supporting particles each contain a support and a catalyst supported by the support; the fibrous materials contain at least one type of a conductive fibrous material and at least one type of a non-conductive fibrous material; and when a content of the supports is 100 parts by mass, a content of the conductive fibrous material is 5 parts by mass or more and 50 parts by mass or less, and a content of the non-conductive fibrous material 24 is 5 parts by mass or more and 20 parts by mass or less.
Resumen de: US2025239624A1
A catalytic structure can comprise a catalyst and one or more radical scavengers. Each radical scavenger can comprise one or more nanoparticles. Each nanoparticle can be formed as an oxide or oxynitride and can comprise at least one metal selected from titanium (Ti), zirconium (Zr), hafnium (Hf), rutherfordium (Rf), vanadium (V), niobium (Nb), tantalum (Ta), and dubnium (Db). In some embodiments, the radical scavenger can be used in an oxygen reduction reaction, for example, to decompose hydrogen peroxide into water and oxygen. In some embodiments, the catalytic structure with radical scavengers can exhibit enhanced durability, for example, when incorporated into a proton-exchange membrane (PEM) fuel cell.
Resumen de: EP4589052A1
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Herstellen einer gestapelten Anordnung von Einzelzellen für Brennstoffzellen- oder Elektrolyseur-Stapel. Beim Verfahren ist Folgendes vorgesehen: Bereitstellen einer Plattenanordnung (10) mit einem ungetrennten Plattenabschnitt für eine Bipolarplatte einer Einzelzelle, wobei in der Plattenanordnung (10) Lagen (4, 8) wenigstens eines Plattenmaterials stoffschlüssig miteinander gefügt sind; Bereitstellen eines Membranmaterials (18) in einer Membran-Elektrolyt-Anordnung für eine Membran der Einzelzelle; Ausbilden eines Stapels (17) mit der Plattenanordnung (10) und dem Membranmaterial (18), derart, dass der ungetrennt Plattenabschnitt mit dem Membranmaterial (18) in der Membran-Elektrolyt-Anordnung flächig überlappt; Zuführen des Stapels (17) zu einer Trenneinrichtung (16); mittels Trennen des Stapels (17) in der Trenneinrichtung (16), Herstellen einer ersten Einzelzelle mit dem eine erste Bipolarplatte bildenden ungetrennten Plattenabschnitt und einem eine erste Membran-Elektrolyt-Anordnung bildenden Abschnitt des Membranmaterials (18), derart, dass für die erste Einzelzelle der ungetrennte Plattenabschnitt zusammen mit dem zugeordneten Abschnitt des Membranmaterials (18) vom Stapel (17) getrennt wird; und Anordnen der ersten Einzelzelle in einer ersten gestapelten Anordnung (1.1) für einen ersten Brennstoffzellen- oder Elektrolyseur-Stapel, wobei die erste Einzelzelle mittels einer von der Trenneinrichtung
Resumen de: CN118871623A
The invention relates to a fuel cell system (10), a fuel cell system (30) having a fuel cell system (10) and a synthesis system (20), and a method (1000) for generating synthesis gas by means of a fuel cell system (10).
Resumen de: EP4589698A1
A power generator includes a fuel cell having an anode and a cathode. The cathode includes a cathode input and a cathode output. A cathode output turbine is coupled to the cathode output. A cathode input compressor is coupled to receive and compress ambient air for provision to the cathode input. A cathode recirculation loop is coupled to receive humidified cathode output gas and controllably provide the compressed ambient air and humidified cathode gas to the cathode input. A liquid recirculation loop comprises a liquid separator coupled to an output of the cathode output turbine and the liquid is used to further humidify the gas provided to the cathode input via the recirculation loop. A rotatable mechanical linkage may be coupled between the cathode output turbine and the cathode input compressor to power the cathode input compressor.
Resumen de: US2025201876A1
Disclosed herein are aspects of an adaptive purge technique for purging fuel cells adjusts the time delay between subsequent purges based in part on one or more parameters of the fuel cells. A difference between two like parameters is measured before and after actuation of a valve used to permit entry of a purge gas. The degree of difference between the two parameters is used to determine a time delay, i.e., a time at which the valve should again be actuated to permit the next purge of the fuel cell. In additional to the time delay, the parameters may be used to determine a time interval, or duration, in which the valve is actuated to remain open during a purge event.
Resumen de: EP4588711A1
The invention relates to systems for storing and supplying fuel to fuel cells as part of electrochemical generators designed to produce electricity, and power traction batteries and traction electric motors of electric vehicles and other highly automated vehicles. The technical result achieved by the proposed invention is to increase the safety of using high-pressure fuel storage and supply systems as part of mobile elements of vehicles. The specified technical result is achieved by the storage and fuel supply system for fuel cells, containing at least two composite hydrogen tanks interconnected by stainless steel tubes, which in turn are connected via an adapter to a high-pressure reducer and a fueling unit with a filling coupler and a pressure gauge; the high-pressure reducer is connected to a low-pressure reducer via a nylon tube, while the stainless-steel tube in the section between the adapter and the filling coupler has a U-shaped compensation bend, and in the section between the compensation bend and the adapter, the tube contains clips for attachment to the vehicle frame, and the low-pressure reducer has an outlet for connection with the input of the fuel cells of an electrochemical generator.
Resumen de: EP4589697A1
A gas-liquid separator includes: a housing; a gas-liquid separation portion disposed in an upper part of the housing and configured to separate water from a water-containing gas; a water storage portion disposed in a lower part of the housing and configured to store the water separated from the water-containing gas; a discharge hole passage configured to discharge the water in the water storage portion to the outside of the housing; and a heating member that protrudes into the water storage portion, that is disposed in a region where the water flows into the discharge hole passage, and whose temperature increases by heat transferred from a heat-generating element F configured to generate the heat when energized. The heating member includes: a body that protrudes toward the discharge hole passage at a bottom of the water storage portion with the heat-generating element F disposed outside the water storage portion; and an upper wall that protrudes upward from the body.
Resumen de: EP4588957A1
A block copolymer including one or more segments containing an ionic group (hereinafter referred to as an "ionic segment(s)") and one or more segments containing no ionic group (hereinafter referred to as a "nonionic segment(s)"), wherein the ionic segment has an aromatic hydrocarbon polymer having a number-average molecular weight of more than 40,000 and 50,000 or less, and wherein the block copolymer satisfies the relation of: Mn3 / (Mn1 + Mn2) > 1.5, wherein Mn1 represents the number-average molecular weight of the ionic segment, Mn2 represents the number-average molecular weight of the nonionic segment, and Mn3 represents the number-average molecular weight of the block copolymer. Provided is a block copolymer and a polymer electrolyte material produced using the same, wherein the block copolymer has excellent proton conductivity even under low-humidity conditions, has excellent mechanical strength and physical durability, and has an excellent in-process capability.
Resumen de: EP4589699A1
The present invention relates to an inerting system for an aircraft and a method of inerting fuel cell systems. More particularly, the invention relates to an improved inerting system that injects inert gas around the fuel cells in a distributed manner to ensure a correct dissolution of flammable agents that could appear around the fuel cells.
Resumen de: EP4588963A1
Die Erfindung befasst sich katalytisch beschichteten Anionenaustauschmembranen und deren Herstellung. Die katalytisch aktiv beschichteten Anionenaustauschmembranen werden in elektrochemischen Zellen eingesetzt, insbesondere zur Wasserelektrolyse. Der Erfindung lag die die Aufgabe zu Grunde ein Verfahren zur Herstellung einer elektrokatalytisch aktiv beschichteten Anionenaustauschmembran anzugeben, deren Beschichtung porös ist und damit die in der Beschichtung befindlichen, elektrokatalytisch aktiven Zentren gut für die Reaktanten zugänglich sind. Eine Grundidee des erfindungsgemäßen Verfahrens besteht darin, in die Katalysatorbeschichtung partikuläres anorganisches Material als Platzhalter einzuarbeiten, die Beschichtung zu verfestigen und anschließend das anorganische Material wieder aus der Beschichtung auszulaugen. Durch die Laugung wird das anorganische Material in ein wasserlösliches Produkt umgewandelt, welches leicht aus der Beschichtung ausgewaschen werden kann. Zurück bleiben Hohlräume (Poren) an den Stellen, wo sich das partikuläre anorganische Material zuvor innerhalb der Beschichtung befunden hat. Das anorganische Material übernimmt daher innerhalb der Beschichtungszusammensetzung die Funktion eines Strukturgebers, der im Rahmen der katalytisch aktiven Beschichtung verloren geht.
Resumen de: AU2023341187A1
Disclosed is a method of preparing an amino acid ester of maytansinol of formula (I) by reacting maytansinol with an N-carboxyanhydride of an amino acid (NCA) in the presence of a proton sponge and a Lewis acid.
Resumen de: WO2024059106A1
A fuel cell stack comprising a compression plate assembly comprising a second end plate having a first planar surface and an opposing second planar surface, wherein the first planar surface is adjacent a fuel cell stack and the second planar surface is adjacent a compression housing, wherein the compression housing comprises: a spring recess and a plurality of discrete grooves on its inner axial surface of the spring recess; a spring assembly in the spring recess; a load disc in the spring recess and in contact with the spring assembly; and a resilient retaining apparatus in the spring recess and in contact with the load disc; wherein the resilient retaining apparatus engages with one of the plurality of discrete grooves and the load disc and the spring assembly are physically separated from the inner axial surface of the spring recess.
Resumen de: CN119908039A
Disclosed is an electrochemical cell having: a porous metal support; at least one layer of a first electrode on the porous metal support; a first electron blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode; and a second bulk electrolyte layer of rare earth doped cerium oxide on the first electron blocking electrolyte layer. The first electron blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 mu m or more, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 mu m or more.
Resumen de: AU2023342927A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
Resumen de: AU2023342554A1
The sensor device comprises: - at least one optical fiber probe (50) having a sensing region (52); - a light source apparatus providing an input light to the optical fiber probe (50); - a processing apparatus (56) for processing an output light emitted by the optical fiber probe (50) after receiving the input light from the light source apparatus; characterized by : - a temperature sensor (60) and/or a pressure sensor (58) located in the vicinity of the sensing region (52) to measure a temperature and/or pressure of the fluid in contact with the sensing region (52), the temperature sensor (60) and/or pressure sensor (58) being connected to the processing apparatus (56) for processing simultaneously the output light and the measured fluid temperature and/or pressure.
Resumen de: WO2024056213A1
The present invention relates to a method for detecting a malfunction of a fuel outlet arrangement (16) in a tank system (11) for a fuel cell system (10), having the steps of: determining a transition from increased operation to reduced operation of the tank system (11) with a reduced fuel mass flow from fuel tanks (12, 13, 14) of the tank system (11), determining a pressure build-up gradient in a fuel line arrangement (15) during the reduced operation after a defined time has elapsed since the determined transition to reduced operation, providing a target pressure build-up gradient, performing a comparison between the determined pressure build-up gradient during the reduced operation and the provided target pressure build-up gradient, and detecting a malfunction of the fuel outlet arrangement (16) on the basis of the comparison. The invention furthermore relates to a tank system (11) and a computer program product (23) for carrying out the method, and to a computer-readable storage medium (24) on which such a computer program product (23) is stored.
Resumen de: AU2023380652A1
Disclosed in the present invention are a nitrogen-containing heterocyclic polymer, and a polymer film and the use thereof. The nitrogen-containing heterocyclic polymer comprises a structural unit as represented by general formula (I) below. A nitrogen-containing heterocycle in the nitrogen-containing heterocyclic polymer has a large steric hindrance and an electron-donating group, which is conducive to further improving the stability of the material. The nitrogen-containing heterocyclic polymer can be formed into a film by means of a common industrial method such as a coating method, and the prepared polymer film has the advantages of a large dimension, a thin thickness, a high strength, good ion conduction performance, etc., and can be used in fuel cells, water electrolysis for hydrogen production, metal-air batteries, flow batteries, carbon dioxide reduction, supercapacitors, electrodialysis, water treatment, membrane humidification, nickel-hydrogen batteries, zinc-manganese batteries, acid separation, lithium extraction from salt-lake brine, etc.
Nº publicación: JP2025108411A 23/07/2025
Solicitante:
サイモンフレーザー大学
Resumen de: US2024117132A1
Described herein are anionic phenylene oligomers and polymers, and devices including these materials. The oligomers and polymers can be prepared in a convenient and well-controlled manner, and can be used in cation exchange membranes. Also described is the controlled synthesis of anionic phenylene monomers and their use in synthesizing anionic oligomers and polymers, with precise control of the position and number of anionic groups.
BOPI
Sede Electrónica
