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520
resultados
Última actualización
07/05/2026 [06:55:00]
Resumen de: EP4738489A2
A bipolar plate for a fuel cell, comprising: a nonporous sub-plate comprising a water management side, an opposing reactant side, and an internal coolant passage therebetween; and a porous sub-plate comprising a reactant side and an opposing water management side, the reactant side comprising a first reactant flow field, and the water management side fluidly connected to the water management side of the nonporous sub-plate.
Resumen de: EP4738478A2
A method (200) for manufacturing an electrolyte-supported fuel cell structure (100) is provided. The method (200) includes providing (210) a continuous electrolyte layer (110) with a first side (111) and a second side (112), coating (221) the first side (111) with an anode material (121) to form a continuous anode layer (120), and coating (222) the second side (112) with a cathode material (131) to form a continuous cathode layer (130). Portions of the anode layer (120) and cathode layer (130) are removed (231, 232) via laser ablation, creating separated anode and cathode sections. Through holes (113) are created (240) in the electrolyte layer (110) coinciding with areas where the anode or cathode layers have been removed. Conductive material (160) is arranged in the through holes to connect anode and cathode sections, thereby forming a serial connection between corresponding fuel cell segments.
Resumen de: EP4738485A1
0001 To provide an electrochemical device that easily achieves a thickness reduction of its insulating sealing member and can have improved performance. In an electrochemical device of an embodiment, a cell stack has an insulating sealing member installed between a first separator and a second separator and configured to seal a gap between the first separator and the second separator and electrically insulate the first separator and the second separator from each other. The insulating sealing member has a metal layer and an insulation layer stacked on the metal layer in a stacking direction. The insulation layer contains a glass paste base material having a lower glass transition temperature than an operating temperature of the cell stack and a filler material having a higher glass transition temperature than the operating temperature of the cell stack, and the filler material is dispersed in the glass base material.
Resumen de: EP4738479A1
0001 According to the present invention there is provided a method of producing a catalyst-containing layer for a fuel cell or electrolyser. The method comprising the steps of: providing a flow of ink, the ink comprising catalyst particles, an ion-conducting polymer and a liquid medium; conveying the flow of the ink through a density separator configured to separate contaminant particles from the flow of ink, wherein the contaminant particles are more dense than the catalyst particles; and then coating the ink onto a substrate.
Resumen de: EP4737319A1
0001 A propulsion system for an aircraft includes a fan section having a fan; a turbomachine including a compressor section, a combustion section, and a turbine section arranged in serial flow order; at least one electric machine; a fuel cell assembly configured to supply power to the electric machine; and a controller including a memory and one or more processors. One or both of the turbomachine and the at least one electric machine are configured to drive rotation of the fan of the fan section. The fuel cell assembly includes at least one fuel cell, a first fluid inlet for receiving a flow of pressurized air, and a second fluid inlet for receiving a flow of fuel.
Resumen de: EP4737321A1
A propulsion system for an aircraft includes a fan section having a fan; a turbomachine including a compressor section, a combustion section, and a turbine section arranged in serial flow order; at least one electric machine; a fuel cell assembly configured to supply power to the electric machine; and a controller including a memory and one or more processors. One or both of the turbomachine and the at least one electric machine are configured to drive rotation of the fan of the fan section. The fuel cell assembly includes at least one fuel cell, a first fluid inlet for receiving a flow of pressurized air, and a second fluid inlet for receiving a flow of fuel.
Resumen de: EP4737320A1
A propulsion system for an aircraft includes a fan section having a fan; a turbomachine including a compressor section, a combustion section, and a turbine section arranged in serial flow order; at least one electric machine; a fuel cell assembly configured to supply power to the electric machine; and a controller including a memory and one or more processors. One or both of the turbomachine and the at least one electric machine are configured to drive rotation of the fan of the fan section. The fuel cell assembly includes at least one fuel cell, a first fluid inlet for receiving a flow of pressurized air, and a second fluid inlet for receiving a flow of fuel.
Resumen de: EP4738492A1
The invention relates to an unit (40) with a cell (8), wherein the components of the cell (8) comprises at least: bipolar plates (BPP, 10), a cathodic GDLK (1), a anodic GDKLA (2), a MEA (3) in between, which (1, 2, 3) are framed in a cell frame (4), wherein this cell frame (4) is located between and to be compressed by two end plates (5', 55, 55'). wherein tie rods (66) are used to compress the cell (8) between the end plates (5', 55, 55') wherein a movable block (34) is present, which faces the cell (8), wherein the movable block (34) is able to compress the components of the cell (8).
Resumen de: EP4737322A1
A propulsion system for an aircraft includes a fan section having a fan; a turbomachine including a compressor section, a combustion section, and a turbine section arranged in serial flow order; at least one electric machine; a fuel cell assembly configured to supply power to the electric machine; and a controller including a memory and one or more processors. One or both of the turbomachine and the at least one electric machine are configured to drive rotation of the fan of the fan section. The fuel cell assembly includes at least one fuel cell, a first fluid inlet for receiving a flow of pressurized air, and a second fluid inlet for receiving a flow of fuel.
Resumen de: EP4738491A1
A power supply device applied to fuel cells, comprising a power conversion circuit and a control circuit. The power conversion circuit is configured to output corresponding power to a load on the basis of a power input signal of a fuel cell. The control circuit is configured to generate an input current control signal on the basis of an input power command and a power ramp rate command, or an input current command and a current ramp rate command, and a measured power value or a measured current value. On the basis of the input current control signal, the control circuit generates a control signal, and accordingly controls the power conversion circuit to adjust the power or current of the power input signal of the fuel cell. The input current of the power supply device can reach the expected target more quickly, and the power supply device is prevented from excessively drawing input power or current from the fuel cell. The present application also relates to an operation method.
Resumen de: EP4737615A1
The present invention relates to a separation membrane having an anode catalyst layer coated on one surface of a porous substrate, and more particularly, to a separation membrane which enables ions to move smoothly through the pores of a porous substrate, and has a low overvoltage by coating the anode catalyst layer on one surface of the separation membrane, and an electrochemical cell including the same.
Resumen de: US12553107B2
A method for recycling anode and/or cathode catalyst from the catalyst coated membranes comprising proton exchange membrane, a continuous nonporous cross-linked polyelectrolyte multilayer coating comprising alternating layers of a polycation polymer and a polyanion polymer, an anode coating layer comprising anode catalyst particles, a cathode coating layer comprising cathode catalyst particles, and optionally a second continuous nonporous cross-linked polyelectrolyte multilayer coating between the second surface of the proton exchange membrane and the cathode coating layer. The cross-linked polyelectrolyte multilayer coating between the proton exchange membrane and the anode and/or cathode catalyst coating layer is dissolved in an aqueous solution with a pH of greater than 7. The catalyst coated membrane is delaminated, and the anode and/or cathode catalyst is recovered.
Resumen de: EP4738488A1
The disclosure relates to a fuel cell humidifier including a bypass-type baffle, a mid-case having an exhaust gas inlet through which exhaust gas discharged from a fuel cell stack flows in and an exhaust gas outlet for discharging the exhaust gas, a cartridge arranged inside the mid-case and including an inner case in which humidification membranes are arranged and fixed portions configured to fix the humidification membranes at one side and another side of the inner case, and a bypass flow path formed between an inner wall of the mid-case and an outer side of the inner case, wherein the baffle is arranged in an inner space of the mid-case to divide the bypass flow path and has a movement hole through which a fluid moves.
Resumen de: EP4738481A1
0001 A carbon material for a catalyst carrier of a solid polymer fuel cell, the carbon material including porous activated carbon black satisfying the following requirements (A), (B), (C), and (D): (A) an average primary particle size is from more than 30 nm to 100 nm, (B) a BET specific surface area is from 350 m<2>/g to 800 m<2>/g, (C) Lc (002) obtained by analyzing a peak at a diffraction angle 2θ of from 20° to 26.5° in an XRD spectrum obtained with XRD (X-ray diffraction) measurement is from 1.7 nm to 4.0 nm, and (D) La (110) obtained by analyzing a peak at a diffraction angle 2θ of from 70° to 80° in the XRD spectrum obtained with XRD (X-ray diffraction) measurement is 3.5 nm or less.
Resumen de: EP4738480A1
0001 A carbon material for a catalyst carrier of a solid polymer fuel cell, the carbon material including porous activated carbon black satisfying the following requirements (A) and (B).
(A) A BET specific surface area S
Resumen de: EP4738482A1
A carbon material for a catalyst carrier of a solid polymer fuel cell, the carbon material including porous activated carbon black satisfying requirements (A) to (C):(A) a BET specific surface area is from 350 m2/g to 800 m2/g,(B) a value (VD5-20/VA20) obtained by dividing a pore volume VD5-20 exhibited by a pore having a pore size of from 5 nm to 20 nm, as determined by analysis of a nitrogen desorption isotherm with a DH (Dollimore-Heal) method, by a pore volume VA20 exhibited by a pore having a pore size of 20 nm or less, as determined by analysis of a nitrogen adsorption isotherm with a DH method, is 0.35 or less, and(C) a temperature Td10% at a reduction in weight of 10% in temperature rise at 10°C/min in an air atmosphere in thermogravimetry-differential thermal analysis is from 620 to 680°C.
Resumen de: EP4737522A1
A carbon material for a catalyst carrier of a solid polymer fuel cell, the carbon material including porous activated carbon black satisfying the following requirements:(F) a BET specific surface area (m2/g) is from 400 to 1200,(G) Σ2-6 is from 0.20 to less than 0.70 in a case in which an integrated value of a volume of a pore having a pore size of from 2 to less than to 6 nm is Σ2-6 in a mesopore distribution,(H) Σ6-10/Σ2-6 is 0.120 to 0.500 in a case in which an integrated value of a volume of a pore having a pore size of from 2 to less than to 6 nm is Σ2-6 and an integrated value of a volume of a pore having a pore size of from 6 to less than to 10 nm is Σ6-10 in a mesopore distribution, and (I) ID/IG is from 1.20 to 2.20 in a case in which an intensity in a D band is ID and an intensity in a G band is IG in a Raman spectrum.
Resumen de: EP4737172A1
A work vehicle includes: a vehicle body; a fuel cell installed on the vehicle body; a radiator disposed side by side with the fuel cell; and a support member that supports the radiator, in which the support member includes a first support member connected to the vehicle body and the radiator, and a second support member connected to the fuel cell and the radiator.
Resumen de: EP4737168A1
The present disclosure relates to a work vehicle. A work vehicle of the present disclosure includes: a vehicle body; an electric motor and a fuel cell module each installed on the vehicle body; a hood covering the fuel cell module; a hydrogen pipe through which hydrogen is supplied into the hood; and a hydrogen sensor configured to detect hydrogen. The hydrogen sensor is fixed to an outer surface of the fuel cell module.
Resumen de: WO2025006137A1
A liquid separator device, a method of using the liquid separator device, and a system including at least one liquid separator device, are disclosed.
Resumen de: EP4737176A1
0001 A work vehicle includes: a vehicle body; a fuel cell installed on the vehicle body; and a radiator installed on the vehicle body aligning with the fuel cell in a horizontal direction, in which a dimension of the radiator is larger than a dimension of the fuel cell in the horizontal direction orthogonal to a direction in which the fuel cell and the radiator are arranged.
Resumen de: EP4737170A1
0001 A work vehicle 10 includes: a vehicle body 11; a fuel cell 24; a tank 13 configured to store hydrogen gas to be supplied to the fuel cell 24; and an installation frame 17 with which the tank 13 is installed on the vehicle body 11, the vehicle body 11 includes a support portion located on opposite sides in a vehicle-width direction, and the installation frame 17 includes: an upper frame portion 171 supporting the tank 13; and a frame portion extending upward from the support portion and supporting the upper frame portion 171 on the opposite sides in the vehicle-width direction.
Resumen de: EP4737174A1
A work vehicle includes: a vehicle body; a fuel cell installed on the vehicle body; a driver's seat installed on the vehicle body aligning with the fuel cell in a horizontal direction; and an electrical component disposed between the fuel cell and the driver's seat in the horizontal direction.
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.
Nº publicación: EP4737171A1 06/05/2026
Solicitante:
KUBOTA KK [JP]
Kubota Corporation
Resumen de: EP4737171A1
0001 A work vehicle 10 includes: a vehicle body 11; a traveling device 12 including front wheels 121 and rear wheels 122 on opposite sides in a vehicle-width direction; a tank 13 configured to store hydrogen gas; a fuel cell 24 configured to generate motive power from the hydrogen gas as fuel; and a discharge path 35 through which water or water vapor generated due to operation of the fuel cell 24 is discharged externally, the discharge path 35 includes: a discharge pipe 351 having a discharge port 352 through which water or water vapor is discharged externally; and a connection pipe 353 connecting the fuel cell 24 and the discharge pipe 351, and the discharge pipe 351 is located between the front wheels 121 and the rear wheels 122.
BOPI
Sede Electrónica
