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549
resultados
Última actualización
16/06/2025 [06:49:00]
Resultados 125 a 150 de 549
Resumen de: US2025192188A1
The embodiments described herein involve electrochemical cells that have a heating element integrated into the electrochemical cell. In some aspects, an electrochemical cell comprises an anode current collector, an anode material disposed on the anode current collector, a cathode current collector, a cathode material disposed on a first side of the cathode current collector, a separator disposed between the anode material and the cathode material, and a heating element disposed on a second side of the cathode current collector, the second side opposite the first side. The heating element may include an electrically conductive material and a conductive material and disposed in an insulative material.
Resumen de: US2025192196A1
The present invention relates to a fuel cell system (100) for generating electrical energy, comprising a fuel cell stack (110) with an anode section (120) and a cathode section (130), the anode section (120) comprising an anode supply section (122) for supplying anode feed gas (AZG) and an anode discharge section (124) for discharging anode exhaust gas (AAG), the cathode section (130) comprising a cathode supply section (132) for supplying cathode feed gas (KZG) and a cathode discharge section (134) for discharging cathode exhaust gas (KAG), wherein the anode discharge section (124) has a divider section (125) for dividing the anode exhaust gas (AAG) into an anode recirculation section (140) for recirculation as anode recirculation gas (ARG) and an anode outlet section (150) for discharge into the environment as anode outlet gas (AUG), wherein a condenser device (126) is arranged in the anode discharge section (124) or in the anode recirculation section (140) in heat-transmitting contact with the cathode supply section (132) to cool the anode exhaust gas (AAG) or the anode recirculation gas (ARG) by heating up the cathode feed gas (KZG), wherein a water outlet (128) is arranged downstream of the condenser device (126) to discharge the condensation water (KW) condensed in the condenser device (126), wherein a mixing section (123) is arranged downstream of the water outlet (128) for mixing the anode recirculation gas (ARG) with fuel gas (BRG) and for supplying this, as anode fe
Resumen de: US2025192209A1
A plurality of detachable hydrogen tanks, a fuel cell for consuming hydrogen by hydrogen is supplied, a hydrogen supply pipe flowing hydrogen is connected to the hydrogen tank and the fuel cell, and a hydrogen consumption system having a control device, the hydrogen tank has an on-off valve in the connection portion between the supply pipe, the supply pipe is provided with a push rod to the connection portion between the hydrogen tank, the control device is a hydrogen tank for supplying hydrogen from a plurality of hydrogen tanks and a hydrogen tank that does not supply hydrogen, the hydrogen tank for supplying hydrogen is moved toward the push rod to the on-off valve and a connection position capable of supplying hydrogen to the supply pipe, to move the push rod to the hydrogen tank that does not supply hydrogen is a standby position.
Resumen de: US2025192215A1
An electrochemical cell includes an element portion, a metal body, and an oxide coating material. The metal body contains chromium and is electrically connected to the element portion. The oxide coating material covers a surface of the metal body and is exposed to an oxidizing atmosphere. The oxide coating material is reducible the release of chromium into the oxidizing atmosphere. The oxide coating material includes at least a first coating material that is electrically conductive.
Resumen de: US2025192208A1
A fuel cell system includes a fuel cell stack including an anode and a cathode, an air compressor configured to supply air to the cathode, a hydrogen pressure sensor mounted to an inlet side of the anode, and a controller operatively connected to the air compressor and the hydrogen pressure sensor and configured to determine whether or not compensating for an offset of the hydrogen pressure sensor is necessary and to drive the air compressor and thus open the hydrogen discharge valve when it is necessary to compensate for the offset of the hydrogen pressure sensor.
Resumen de: US2025192206A1
A humidifier leak diagnosis system for a fuel cell system includes a fuel cell stack. The humidifier leak diagnosis system also includes an air supply system including at least one of an air compressor, a humidifier, an air cutoff valve, or an air pressure control valve. The humidifier leak diagnosis system additionally includes a controller configured to enter a humidifier leak diagnosis mode based on an inlet air pressure of the fuel cell stack. The controller is also configured to determine whether or not humidifier leak has been generated based on an output or an output voltage of the fuel cell stack generated through adjustment of at least one of an opening degree of the air cutoff valve or an opening degree of the air pressure control valve in humidifier leak diagnosis.
Resumen de: US2025192214A1
A membrane electrode assembly includes an electrolyte layer, and a catalyst layer that includes particles carrying a catalyst metal and is positioned on a first surface of the electrolyte layer. The membrane electrode assembly includes a symbol containing therein encoded information required for manufacture of the membrane electrode assembly. The symbol is a discolored laser trace in the electrolyte layer and is disposed in an edge of the first surface where the catalyst layer is not positioned.
Resumen de: US2025192198A1
An ejector for a fuel cell includes a housing, a nozzle, and an adjusting device. The housing includes a Venturi section, a first inlet through which new fuel gas is communicated into the housing, and a second inlet through which is recycled fuel gas is communicated into the housing. The nozzle is located inside the housing and fixed to the housing. The nozzle includes a tapered portion extending into the Venturi section. The adjusting device includes an adjusting element extending into the nozzle, wherein the adjusting element is configured to be located at different axial positions, and a cross-sectional area of at least a part of a first passage formed inside the nozzle is different when the adjusting element is located at the different axial positions.
Resumen de: US2025192197A1
A valve includes a discoid valve element pivotable between open and closed positions. On an outer circumferential region of the valve element, an annular valve-element sealing face is provided, and an annular valve seat surrounds a valve opening. On an inner circumferential region of the valve seat, a valve-seat sealing face annularly surrounding a valve-opening center axis is provided and is in contact with the valve-element sealing face in the closed position. The valve seat includes a support element and an annular valve-seat sealing element supported thereon. The sealing face is on the sealing element. The support element includes a body portion supporting it preventing movement radially outward relative to the center axis. The sealing element includes, on one axial side of the body portion, a sealing portion protruding beyond the body portion axially relative to the center axis. The entire sealing face is formed on the sealing portion.
Resumen de: US2025192193A1
The present disclosure relates to a method of manufacturing a component for an electrochemical system. The method comprises steps in which at least one metallic layer with at least one sealing bead formed therein is provided, each of at least two first surface regions of the at least one sealing bead are subjected to at least one laser treatment, and each of at least one second surface region of the at least one sealing bead, which is arranged between the at least two first surface regions and directly adjoins the at least two first surface regions, is provided with at least one elastomeric sealing element. In addition, the present disclosure also relates to a component for an electrochemical system and an electrochemical system comprising the component.
Resumen de: US2025191870A1
A hydrogen activation/ionization accelerating apparatus with a fingerprint-type panel stack structure is installed between a hydrogen fuel cell and a hydrogen supply device to serve as a turbocharger/accelerator, whereby the hydrogen supplied to the hydrogen fuel cell is activated by high-density string electric field force to be supplied in a high-energy state to a hydrogen fuel cell stack, and therefore, an ionization layer catalyst of the hydrogen fuel cell improves the activation/ionization rate by low energy to increase the bonding rate of hydrogen and oxygen, leading to the generation of a large amount of electricity.
Resumen de: JP2024101896A
To suppress energy loss.SOLUTION: A work vehicle which is equipped with a drive source that uses hydrogen as fuel includes an electrolysis device which performs electrolysis of generated water generated from the drive source or stored water stored in a water tank by using the power.SELECTED DRAWING: Figure 2
Resumen de: JP2024092132A
To provide a dump truck which achieves improvement of maintainability and simplification of a system while inhibiting deterioration of work efficiency caused by loads being frozen.SOLUTION: A dump truck comprises a dump body which is rotatably coupled to a vehicle body frame and on which loads are placed. The dump truck further includes: a drive source which uses hydrogen as a fuel; and a duct which guides exhaust air of the drive source to the dump body.SELECTED DRAWING: Figure 1
Resumen de: JP2024088278A
To improve the adhesion of a protective film to a metal substrate and also improve electrical conduction properties by reducing electrical resistance.SOLUTION: An interconnector for a solid oxide electrochemical cell stack includes: a metal substrate which includes a chromium-containing iron-based alloy; and a protective film which is provided on the metal substrate in a first direction. The protective film has: a metal layer which is provided on a surface of the metal substrate and contains a first metal element; an oxide layer which is provided above the metal layer and contains at least one oxide selected from the group consisting of a spinel oxide and a perovskite oxide containing a second metal element different from the first metal element; and a mixed layer which is provided between the metal layer and the oxide layer and has a first phase containing the first metal element and a second phase containing the at least one oxide.SELECTED DRAWING: Figure 3
Resumen de: TW202441827A
A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.
Resumen de: TW202441827A
A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.
Resumen de: JP2024087514A
To enable an operation that improves the power generation efficiency of a fuel cell in operation.SOLUTION: A housing stores hydrogen and has a hydrogen fill port. The fuel cell generates electricity using hydrogen. A control device supplies hydrogen stored in the housing to the fuel cell when a hydrogen supply device is connected to the fill port.SELECTED DRAWING: Figure 4
Resumen de: JP2024090100A
To efficiently raise the temperature of a fuel cell under a cold environment.SOLUTION: A heater and a first heat exchanger are provided in the same channel, the first heat exchanger exchanging heat between a heat medium and the fuel cell. The heater heats the heat medium with the electric energy stored in an electric storage device, when the fuel cell is deactivated and the heat medium has a temperature lower than a predetermined threshold.SELECTED DRAWING: Figure 2
Resumen de: AU2023388178A1
The present invention provides a cathode for a proton battery comprising Prussian blue analogues and a method for manufacturing a cathode for a proton battery, the method comprising the steps of forming a slurry comprising Prussian blue analogues, battery-grade carbon nanoparticles and a binder, and coating a layer of the slurry onto a cathode current collector to form the cathode.
Resumen de: AU2023389305A1
The present invention relates to an alkaline anion exchange membrane precursor (pAAEM) comprising a blend of at least one first polymer (P1) comprising repeating units derived from acrylonitrile and at least one second polymer (P2) comprising repeating units derived from a vinyl lactam, and an alkaline anion exchange membrane (AAEM) obtained therefrom.
Resumen de: AU2023402207A1
The invention relates to a redox-flow battery comprising at least one cell, a cell being composed of two half-cells, each half-cell having at least one half-cell interior for receiving an electrolyte, at least one electrode and at least one membrane being associated with each cell and the half-cells being arranged in a stack, at least one electrolyte supply means and/or at least one electrolyte discharge means being assigned to each half-cell, and the electrolyte supply means being connected to an electrolyte reservoir via at least one supply line and the electrolyte discharge means being connected to an electrolyte reservoir via at least one discharge line. According to the invention: the at least one supply line is subdivided into supply sub-lines; the at least one discharge line is subdivided into discharge sub-lines; the at least one supply sub-line and/or the at least one discharge sub-line is/are assigned to at least two half-cells; and the supply sub-lines and the discharge sub-lines are arranged outside the stacking surfaces of the half-cells.
Resumen de: AU2023395363A1
This fuel cell system comprises: a fuel cell; a power storage device; an electric motor that operates on the basis of at least one among power from the fuel cell and power from the power storage device; an electric auxiliary machine for operating the fuel cell; and a switch device which performs a switching operation for switching between the supply of power from the fuel cell to the electric auxiliary machine and the supply of power from the power storage device to the electric auxiliary machine.
Resumen de: AU2023389719A1
A method for manufacturing a polybenzimidazole-based film according to the present invention comprises the steps of: dissolving polybenzimidazole in an amide-based organic solvent to form a polybenzimidazole solution; impregnating a porous membrane with the polybenzimidazole solution; and drying the porous membrane impregnated with the polybenzimidazole solution at a temperature of 80°C or lower.
Resumen de: WO2025122092A1
The invention relates to a carbon fabric with a microporous layer for use in fuel cells. The fabric of the invention is coated with a microporous layer and has a high gas diffusion capacity and water conductivity and is used as a gas diffusion layer.
Nº publicación: DE102023134234A1 12/06/2025
Solicitante:
PUREM GMBH [DE]
Purem GmbH
Resumen de: DE102023134234A1
Eine Brennstoffzellenabgasanlage, insbesondere für ein Fahrzeug, umfasst eine Kondensatoreinheit (20) zur Aufnahme von von einer Brennstoffzelleneinheit abgegebenem, wasserhaltigem Brennstoffzellenabgas (B) und eine stromabwärts der Kondensatoreinheit (20) angeordnete Abscheideeinheit (22) zum Abscheiden von aus dem der Kondensatoreinheit (20) zugeführten, wasserhaltigen Brennstoffzellenabgas (B) auskondensiertem Wasser, wobei die Abscheideeinheit (22) einen durch eine Kanalwand (34) begrenzten, wenigstens bereichsweise bogenartig gekrümmten Abscheidekanal (30) umfasst, wobei der Abscheidekanal (30) wenigstens im Bereich einer Bogenaußenseite von einer Abscheidekammer (40) umgeben ist, wobei in der Kanalwand (34) eine Mehrzahl von den Abscheidekanal (30) mit der Abscheidekammer (40) verbindenden Abscheideöffnungen (42) vorgesehen ist.
BOPI
Sede Electrónica
