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499
resultados
Última actualización
20/08/2025 [07:03:00]
Resultados 400 a 425 de 499
Resumen de: CN119384742A
The invention relates to a method for operating a fuel cell system (10) of a motor vehicle (12), comprising at least one hydrogen tank (14), at least one fuel cell (18) which can be supplied with hydrogen from the hydrogen tank (14), and a cooling device (30) for cooling at least part of the fuel cell system (10), according to the invention, the energy consumption of the cooling device (30) is predicted as a function of a planned travel route of the motor vehicle (12), a future temporal pressure curve of the pressure present in the hydrogen tank (14) is predicted, and a future temporal energy curve of the heating energy is predicted, on the basis of which energy curves, the energy consumption of the cooling device (30) is determined. The heating energy is supplied by a cooling device (30) to the hydrogen tank (14) as a function of the predicted energy consumption in order to achieve a pressure curve.
Resumen de: GB2637803A
A method of manufacturing a catalyst-coated ion-conducting membrane (CCM) or membrane electrode assembly (MEA) comprises the steps of: providing an ion-conducting membrane comprising a first face and a second face; depositing a catalyst ink onto the first face of the ion-conducting membrane to form a wet catalyst layer, wherein the catalyst ink comprises a solvent, an electrocatalyst dispersed in the solvent, and an ion-conducting polymer or blend of polymers; and drying the wet catalyst layer to form a dried catalyst layer, wherein the ion-conducting polymer or blend of polymers has a stress relaxation time of 600 s or less. When a blend of polymers is used, a second ion-conducting polymer and/or non-ion conducting polymer can be included. The electrocatalyst may comprise a platinum group metal supported on an electrically conductive support. The solvent preferably comprises water or a mixture of water and alcohol. A second catalyst ink may be deposited on the second face of the ion-conducting membrane using the same method. The CCM or MEA produced by this method has a catalyst layer with a percentage defect area of less than 2%, preferably less than 1.5%. The CCM or MEA can be used in a fuel cell or electrolyser.
Resumen de: EP4597649A1
An electrochemical cell includes a solid electrolyte layer and a first electrode. The solid electrolyte layer includes a first material having ion conductivity and in which a rare earth element is contained as a solid solution. The first electrode contains a rare earth element and has a first surface contacting the solid electrolyte layer and a second surface on a side opposite to the first surface. A content proportion of the rare earth element in the first electrode is higher on a side of the second surface than on a side of the first surface.
Resumen de: EP4597645A1
To provide a small fuel cell with a high level of power generation efficiency and portability. The portable small fuel cell includes cell (10), first board (20), second board (30) and vacuum container (50). First board (20) includes first inlet channel (24) for introducing reducing fuel gas, and first outlet channel (25) for discharging reducing fuel exhaust gas. First inlet channel (24) and first outlet channel (25) are disposed adjacent enough with each other for heat exchangeable within first cantilever portion (22). Second board (30) includes second inlet channel (34) for introducing oxidant fuel gas, and second outlet channel (35) for discharging oxidant fuel exhaust gas. Second inlet channel (34) and second outlet channel (35) are disposed adjacent enough with each other for heat exchangeable within the second cantilever portion (32). Vacuum container (50) encircles first board (20) and second board (30), first fixed portion (23) and second fixed portion (33) are fixed thereto, and the vacuum container (50 traps heat generated from cell (10) to seal it therein.
Resumen de: EP4597650A1
A cell frame structure includes a bipolar plate, a frame body provided around an outer periphery of the bipolar plate, and a first member overlaid on the frame body, and the frame body and the first member are fixed by a joint portion.
Resumen de: EP4597646A1
A conductive member includes a porous body having a framework having a three-dimensional mesh structure, wherein the porous body has a plate shape having a first main surface and a second main surface opposite to the first main surface, and the first main surface contains a carbon atom.
Resumen de: EP4597648A1
A porous body includes a first framework having a three-dimensional mesh structure, wherein the first framework consists of a framework main body and an inner portion that is hollow and that is surrounded by the framework main body, the framework main body consists of a first layer and a second layer, the first layer is located on an outer surface side of the framework main body, the second layer is located on the inner portion side of the framework main body, the framework main body contains 70 mass% or more of nickel and cobalt in total, a cobalt content ratio in the first layer is 50 mass% or more, a cobalt content ratio in the second layer is less than 50 mass%, and a ratio of a thickness of the first layer to a thickness of the framework main body is 10% or more and 90% or less.
Resumen de: EP4597647A1
This conductive member includes a porous body having a skeleton with a three-dimensional network structure. The porous body has a plate shape comprising a first main surface and a second main surface opposite from the first main surface; the first main surface contains carbon atoms; the porous body is an NiCrAl metal porous body or an NiCrAlFe metal porous body.
Resumen de: WO2024068707A1
An inspection device comprises a first layer conveyor, which has a receiver and a first drive in order to receive a respective anode or cathode layer by means of the receiver from a first transfer point and to bring same to a first depositing point. At the first depositing point, a stacking table receives the anode or cathode layer from the receiver to form a layer stack. At the first depositing point, the first layer conveyor deposits an anode or cathode layer from its receiver on the stacking table when the receiver is at the first depositing point. A third image recorder is directed to a region comprising an upper edge of a layer stack located on the stacking table, seen in a side view of the layer stack, which region contains a connection lug of an anode or cathode layer at the top of the layer stack, and the third image recorder acquires a third image before or after the anode or cathode layer is placed on the stacking table. Depending on signalling based on a processing of the third acquired image, a controller indicates the (un)usability of the layer stack.
Resumen de: CN119948087A
An anion exchange membrane obtainable by curing a curable composition comprising: (a) a monomer of formula (I) (a) AR1-(CH2) n-N + (RaRb)-(CH2) n-AR2 wherein: each n independently has a value of 1 or 2; (i) Ra and Rb are each independently an optionally substituted C1-3 alkyl group or an optionally substituted C2-3 alkenyl group; or (ii) Ra and Rb together with the positively charged nitrogen atom to which they are attached form an optionally substituted 5 or 6 membered ring; or (iii) one of Ra and Rb is an optionally substituted C1-3 alkyl group or an optionally substituted C2-3 alkenyl group, and the other of Ra and Rb together with a group of formula AR1-(CH2) n-N + forms an optionally substituted 5 or 6 membered ring; or (iv) Ra together with a group of formula AR1-(CH2) n-N + forms an optionally substituted 5 or 6 membered ring, and Rb together with a group of formula N +-(CH2) n-AR2 forms an optionally substituted 5 or 6 membered ring; x-is an anion; and AR1 and AR2 each independently comprise an aromatic group; wherein: (I) at least one of AR1 and AR2 comprises a curable ethylenically unsaturated group; (II) the monomer (a) of formula (I) comprises at least two curable ethylenically unsaturated groups; and (III) the anion exchange membrane has an ion exchange capacity (IEC) of less than 1.65 meq/g dry membrane.
Resumen de: CN119968423A
An anion exchange membrane obtainable by curing a curable composition comprising: (a) a monomer of formula (I) (a) AR1-(CH2) n-N + (RaRb)-(CH2) n-AR2 wherein: each n independently has a value of 1 or 2; (i) Ra and Rb are each independently an optionally substituted C1-3 alkyl group or an optionally substituted C2-3 alkenyl group; or (ii) Ra and Rb together with the positively charged nitrogen atom to which they are attached form an optionally substituted 5 or 6 membered ring; or (iii) one of Ra and Rb is an optionally substituted C1-3 alkyl group or an optionally substituted C2-3 alkenyl group, and the other of Ra and Rb together with a group of formula AR1-(CH2) n-N + forms an optionally substituted 5 or 6 membered ring; or (iv) Ra together with a group of formula AR1-(CH2) n-N + forms an optionally substituted 5 or 6 membered ring, and Rb together with a group of formula N +-(CH2) n-AR2 forms an optionally substituted 5 or 6 membered ring; x-is an anion; and AR1 and AR2 each independently comprise an aromatic group; wherein: (I) at least one of AR1 and AR2 comprises a curable ethylenically unsaturated group; (II) the monomer (a) of formula (I) comprises at least two curable ethylenically unsaturated groups; and (III) the molar fraction of component (a) relative to all curable components of the curable composition is at least 0.90.
Resumen de: WO2024013687A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen, processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: CN119856308A
Embodiments herein relate to a monitoring system for a chemical filter for use with a fuel cell system. In one embodiment, a fuel cell chemical filter monitoring system (108) having a processing unit (214) and a sensor module (212) is included. The sensor module (212) may include one or more sensors. The sensor module (212) may be configured to interface with an air flow passage (210) of the fuel cell system (104) upstream of the chemical filter (212) and to detect an amount of a chemical compound in the air flow passage (210). The sensor module (212) may be operably connected to the processing unit (214). The processing unit (214) may be configured to track the total exposure of the chemical filter to the chemical compound. The processing unit (214) may be configured to estimate a remaining life of the chemical filter (212) based on the tracked total exposure of the chemical filter and data regarding the total capacity of the chemical filter. Other embodiments are also included herein.
Resumen de: WO2024069356A1
High voltage modular power distribution unit for electric or hybrid vehicles, the modular power distribution unit being equipped with two or more base electric modules (1) mechanically connected to each other, the base electric module (1) having: - at least one input port connected to an electric power source, - at least one output port connected to an electric user, - a plurality of electric cables and a first plurality of electric connection bus bars, and - a base structure, provided with a plurality of mechanical connection elements, wherein the two or more base electric modules (1) are electrically connected to each other by means of a second plurality of intermodular bus bars (15).
Resumen de: US2025243032A1
An inspection device for a layer material has a layer conveyor and a drive to pick up an anode or cathode layer by a pickup from a transfer location and bring it to a delivery location. The layer turner delivers a single anode or cathode layer from its pickup to a stacking table at the delivery location. The drive aligns the pickup and the stacking table relative to each other depending on a signal based on processing of a first or second image feed. A first image sensor is aligned between the transfer location and the delivery location to perform a first image feed when the pickup of the layer turner passes the first image sensor. A second image sensor is aligned between the transfer location and the delivery location to perform a second image feed when the pickup of the layer turner passes the second image sensor.
Resumen de: WO2024068539A1
The invention relates to a separator plate (21) which includes, in a first face: a plurality of corrugated channels (49) for the circulation of a first reactive gas, the corrugated channels (49) having respective end portions (50) all extending in the same first direction (D1) and forming corrugations having the same specific period (T1); a plurality of oblique channels (56), each extending in a second direction (D2) intersecting with the first direction (D1), the end portion (50) of each corrugated channel (49) connecting to one of the oblique channels (56) at a junction point (58); the junction points (58) defining projection points (p) projecting on a straight line (D) parallel to the first direction (D1), the projection being in a third direction (D3) perpendicular to the first direction (D1), the projection points (p) being regularly spaced apart from one another in the first direction (D1) and separated from one another by a constant spacing equal to a multiple of the specific period (T1).
Resumen de: US2025222791A1
A method is for operating a vehicle with a fuel cell system having a cathode-side flow path, connected in a fluid-conducting manner to the surroundings, for transporting air from the surroundings toward the fuel cell system, and for transporting a cathode off-gas from the fuel cell system into the surroundings, and a fluid-conducting component connected in a fluid-conducting manner to the cathode-side flow path and being configured to receive accumulations of condensate from the air or the cathode off-gas. The vehicle has a compressed air supply independent of the fuel cell system and is configured to provide dry compressed air. The method includes injecting the dry compressed air via the compressed air supply into the cathode-side flow path such that the fluid-conducting component is flowed through by the dry compressed air and existing air or existing cathode off-gas and/or condensate is displaced from the fluid-conducting component toward the surroundings.
Resumen de: CN119948088A
An anion exchange membrane obtainable by curing a curable composition comprising: (a) a monomer of formula (I) (a) AR1-(CH2) n-N + (RaRb)-L-N + (RcRd)-(CH2) n-AR2, 2X-Formula (I) wherein: n, L, Ra, Rb, Rc and Rd and X-are as defined in claim 1; and AR1 and AR2 each independently comprise an aromatic group; wherein: (I) at least one of AR1 and AR2 comprises a curable ethylenically unsaturated group; (II) the monomer (a) of formula (I) comprises at least two curable ethylenically unsaturated groups; and (III) the molar fraction of component (a) relative to all curable components of the curable composition is at least 0.90.
Resumen de: CN119866394A
A method for producing an ion conducting membrane comprising a membrane layer comprising a reconstitution catalyst. The film layer is made from an ink comprising a stabilized dispersion of reconstitution catalyst nanoparticles. Also provided are ion conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, having a membrane layer comprising a reconstitution catalyst, the membrane layer comprising dispersed reconstitution catalyst nanoparticles, a nanoparticle stabilizer, and an ion conducting polymer.
Resumen de: WO2024069166A1
According to the present invention there is provided a membrane-seal assembly suitable for use with a flow field plate of the type comprising an inlet port, an outlet port, and a flow field for providing at least one pathway between the inlet and outlet ports. The flow field comprises an inlet region, an outlet region and a main region between the inlet and outlet regions. The membrane-seal assembly comprises: an inner region comprising an ion-conducting membrane; and a border region surrounding the inner region. The border region comprises a seal component area and at least one stiffening area, wherein the seal component area comprises a seal component which is ionically non-conductive, and wherein the stiffening area comprises a stiffening component. The at least one stiffening area is positioned to extend at least partially across the inlet region and/or the outlet region of the flow field of the flow field plate when in use, and wherein the stiffening area has a stiffness greater than the stiffness of the seal component area.
Resumen de: CN119998232A
The invention relates to a method for preparing an array (13) of vertically aligned carbon nanotubes (14) for use in a catalytic electrode of a fuel cell or an electrolysis cell, comprising the following steps: providing an array (13) of vertically aligned carbon nanotubes (14) obtained by a gas phase 5 growth process, in which a precursor of a carbon nanotube growth catalyst is continuously added to a feed gas, -depositing a plurality of platinum nanodots (15) onto the outer surface of the vertically aligned carbon nanotubes by using a vapor deposition process, such as ALD. The ALD process advantageously uses Pt (PF3) 4 as the platinum source gas. The 10 nanometer dots can be protected through nanocaging.
Resumen de: CN119866558A
The invention relates to a power plant (1) comprising two units (A) and (B), a first unit (A) and a second unit (B), located in two separate industrial sites, having:-the first unit (A) comprising a synthesis device (8) capable of producing methane or methanol (15) from hydrogen (2) and carbon dioxide (4) originating from the second unit (B), and-a second unit (B) comprising fuel cell means (5) that can be supplied with electric current (1) by methane or methanol (15) originating from the first unit (A) and an anode gas stream (6) comprising carbon dioxide, said fuel cell means being combined with collecting means (7) for collecting carbon dioxide (17) in the anode stream (6) intended for the first unit (A).
Resumen de: WO2024069211A1
A hydrogen (H2) storage system for a fuel cell electric vehicle includes a reaction volume for receiving a melted metal. The system further includes a metal storage container that stores the metal and transfers the metal to the reaction volume. The system further includes a heating element to heat the metal to a melting point of the metal to form the melted metal. The system further includes a steam inlet to introduce steam into the reaction volume to mix with the melted metal to form a metal oxide and H2, the steam formed by heating fuel cell exhaust water output by a hydrogen fuel cell (HFC) of the fuel cell electric vehicle. The system further includes an H2 outlet to output the H2 to an H2 storage container. The system further includes a metal oxide outlet to output the metal oxide to a metal oxide storage container.
Nº publicación: EP4594602A1 06/08/2025
Solicitante:
ZF CV SYSTEMS GLOBAL GMBH [CH]
ZF CV Systems Global GmbH
Resumen de: US2025219494A1
A turbomachine, in particular for a fuel cell system of a vehicle, such as a utility vehicle, has a rotor shaft, an expander wheel fastened on the rotor shaft, and an air bearing arrangement, which is configured to support the rotor shaft rotatably about a rotor axis, wherein a flow path is formed between the expander wheel and the air bearing arrangement. A flow generator is arranged in the flow path between the air bearing arrangement and the expander wheel and configured to generate, depending on a rotation of the rotor shaft, an air flow directed toward the expander wheel, for the purpose of building up a blocking pressure.
BOPI
Sede Electrónica
