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499
resultados
Última actualización
24/10/2026 [06:54:00]
Resultados 50 a 75 de 499
Resumen de: US20260326498A1
An integrated thermal management system for a fuel cell electric vehicle is disclosed. The integrated thermal management system includes a fuel cell system, a brake resistor, a fuel cell coolant loop that includes a fuel cell radiator thermally and fluidly coupled to the fuel cell system, a brake resistor coolant loop that includes a brake resistor radiator thermally and fluidly coupled to the brake resistor, and a heat exchanger loop that includes a coolant-coolant heat exchanger thermally and fluidly coupled to the fuel cell coolant loop and the brake resistor coolant loop. In a fuel cell cooling operating mode, heat is transferred from the fuel cell system to an ambient environment through the fuel cell radiator and the brake resistor radiator.
Resumen de: US20260331542A1
The present invention relates to a control method for starting up a fuel cell system after a standstill, with the steps: Supplying the anode supply gas to the anode supply section (12) and, at least temporarily, shutting off and/or throttling the cathode supply gas to the cathode supply section (14). According to the invention, the at least temporary shutting-off and/or throttling of the cathode supply gas is performed or continued until an open-circuit voltage (Uoc) has fallen back to or below a permissible threshold voltage (Uth); and a switch device (20) of an electrical connection between a fuel cell unit (10) and a DC voltage converter (30) is only closed after the open-circuit voltage (Uoc) has fallen back to or below the permissible threshold voltage (Uth).
Resumen de: US20260327817A1
0000 Described herein are membrane assemblies for use in generating hydrogen and oxygen. The membrane assemblies include a cation exchange membrane, an anion exchange membrane, and a hydrophilic layer disposed between the anion exchange membrane and the cation exchange membrane.
Resumen de: US20260328241A1
Connector (1), in particular a screw or bolt, comprising an actuation area (10), in particular a head, an elasticity area (30) and a mounting area (50), wherein the connector (1) extends in a longitudinal direction (L), wherein a radial direction (R) is in particular perpendicular to the longitudinal direction (L), wherein the elasticity area (30) lies in the longitudinal direction (L) between the actuation area (10) and the mounting area (50), wherein the mounting area (50) has a thread, in particular an internal thread, wherein the elasticity area (30) has stiffness reduction structures (34), in particular in the form of recesses and/or openings, and/or wherein the elasticity area (30) has a lower elasticity than the mounting area (50) and/or than the actuation area (10) due to its geometry, and/or wherein the elasticity area has a degressive spring characteristic.
Resumen de: US20260331829A1
0000 A connector that can be attached to and detached from a fuel cell, wherein the fuel cell includes multiple plates arranged at intervals in a predetermined stacking direction and each having a receiving recess, each of the receiving recesses of the plates is provided with a locking part, the connector includes a housing that can be inserted into the receiving recesses of the multiple plates, terminal members held by the housing and electrically connected to the plates when the housing is inserted into the receiving recesses, a lever that can be inserted into the housing, and a lock member which, in response to a pressing force due to insertion of the lever, rotates about an axis extending in the stacking direction and engages with the locking part.
Resumen de: US20260331702A1
0000 Disclosed is a jig for surface treatment of a separator which is used to partially form a coating layer on a surface of the separator in which each land and each channel are alternately and repeatedly formed on one side and the other side according to a concavo-convex shape. In particular, the jig includes: a first jig which has a first plate part disposed on the one side of the separator and first mask parts protruding from the first plate part to cover an inner surface of one side-channel; and a second jig that has a second plate part disposed on the other side of the separator and second mask parts protruding from the second plate part to cover an inner surface of the other side-channel.
Resumen de: US20260331534A1
The presently disclosed subject matter relates to devices, systems, and methods of producing an improved fluid flow assembly and liquid/gas diffusion layer in solid polymer electrolyte electrochemical cells. In one aspect, a fluid flow assembly for a polymer electrolyte water electrolyzer includes a flow field having an inlet, an outlet, and a plurality of discrete lands arranged within the flow field. A liquid/gas diffusion layer is positioned in communication with the flow field between the inlet and the outlet, the liquid/gas diffusion layer having a solid substrate through which a plurality of pores is formed. The disclosed bipolar plate flow field and liquid/gas diffusion layer could work together or separately with other types of porous transport layers or bipolar plates to enhance the water/gas transport. In these configurations, the lands can be arranged and configured such that the plurality of pores are substantially unobstructed by the lands.
Resumen de: US20260326743A1
0000 The present disclosure generally relates to a system and methods for managing and controlling emissions produced by a vehicle and/or powertrain, which includes one or more power sources selected from a fuel cell, a fuel cell stack, a battery, and combinations thereof, a processor, one or more inputs, a controller, and one or more emission control devices.
Resumen de: DE102025115058A1
Die Erfindung betrifft eine Zellenstapel-Anschlussverbindung (100), insbesondere eine Zellenstapel-Ver-/Entsorgungsanschlussverbindung (100) eines elektrochemischen Zellenstapels (10), insbesondere eines Elektrolysezellenstapels (10) oder eines Brennstoffzellenstapels, mit einem Medienanschluss (110) des Zellenstapels (10), sowie einer am Medienanschluss (110) befestigten Fluidleitung (120) als einen Abschnitt einer Ver-/Entsorgungsleitung (105) für die elektrochemischen Einzelzellen (11) des Zellenstapels (10), wobei ausgehend von einer Isolationsplatte (220) des Zellenstapels (10) innerhalb der Ver-/Entsorgungsleitung (105), sich eine elektrische Isolierung (220, 130) durch eine auf der Isolationsplatte (220) angeordnete Erdungsplatte (230) zur Erhöhung eines Isolationswiderstands hindurch erstreckt.
Resumen de: EP4826809A2
Die Erfindung betrifft ein System zur Kühlung eines Brennstoffzellenstacks, aufweisend ein erstes Brennstoffzellenkühlsystem, in welchem ein erstes Kühlmediums in Kühlkanälen gefördert wird und welches einen ersten Wärmeübertrager aufweist, welcher zur Abgabe einer ersten Wärme des ersten Kühlmediums an eine Umgebung eingerichtet ist, weiter aufweisend ein weiteres Kühlsystem, wobei das weitere Kühlsystem ein Wasserbehälter zur Aufnahme flüssigen Kühlwassers und einen weiteren Wärmeübertrager aufweist, wobei der weitere Wärmeübertrager in einer ersten Förderrichtung des ersten Kühlmediums angeordnet ist, dadurch gekennzeichnet, dass der weitere Wärmeübertrager zur Übertragung einer weiteren Wärme des ersten Kühlmediums an das Kühlwasser eingerichtet ist, wobei das weitere Kühlsystem Wasserverdampfungsmittel aufweist, durch die das Kühlwasser zumindest teilweise verdampfend ist und das verdampfte Wasser an die Umgebung abgegeben wird.Die Erfindung betrifft weiterhin ein Verfahren zur Kühlung eines Brennstoffzellenstacks.
Resumen de: EP4825892A1
0001 The present invention relates to separation membrane material, a method for producing same, and a separation membrane and a water electrolysis apparatus comprising same. More specifically, the separation membrane material has excellent electrochemical properties such as ionic conductivity, mechanical properties, and chemical durability, and the membrane that is produced is superbly uniform.
Resumen de: EP4826126A1
0001 The present disclosure provides an integrated component, an electrochemical reaction device and a preparation method, wherein the method for preparing the integrated component comprises: providing a bipolar plate and a porous transport layer to be integrated, contacting and aligning the bipolar plate and the porous transport layer, welding the contacted and aligned bipolar plate and porous transport layer together and producing a nitride on the surface of the porous transport layer. Through the integration of bipolar plate and porous transport layer, the electrical conductivity and thermal conductivity can be improved, and a nitride protective layer is provided.
Resumen de: EP4826127A1
0001 The present disclosure provides a porous transport layer, a porous transport electrode, an electrochemical reaction device and a preparation method thereof, wherein the surface of the porous transport layer has an array consisting of a plurality of protrusions, so that the electrochemical reaction device having the porous transport layer has significantly improved fluid distribution performance.
Resumen de: EP4826225A1
Die Erfindung betrifft einen Schalldämpfer mit einer durch ein Gehäuse (13) zumindest teilweise begrenzten Kavität (10), einer innerhalb der Kavität (10) angeordneten Schalldämpfvorrichtung (20) zur Reduzierung eines Geräusches des Abgasstroms (S) und einer innerhalb der Kavität (10) stromaufwärts der Schalldämpfvorrichtung (20) angeordneten Wasserabscheidevorrichtung (30) zur Abtrennung von Wasser aus dem Abgasstrom (S). In einer Schalldämpfkammer (21) ist eine Strömungsleitvorrichtung (23) angeordnet, die ein Aufweitungselement (231) zur radialen Aufweitung zumindest eines Teils des durch die Eintrittsöffnung (211) strömenden Abgasstroms (S) aufweist und einen Rückströmungskanal (230) ausbildet, innerhalb dessen ein Strömungspfad für den Abgasstrom (S) bereitgestellt wird, dessen Strömungsrichtung (SR) entgegengesetzt zur Hauptströmungsrichtung (R) verläuft.
Resumen de: EP4825635A1
Die Erfindung betrifft eine elektrisch betriebene Tiefbaumaschine (10) mit einem mobilen Trägergerät (12), welches einen fahrbaren Unterwagen (14) und einen Oberwagen (16) aufweist, einem Tiefbauwerkzeug (8), mehreren Elektromotoren zum Betreiben von Komponenten der Tiefbaumaschine (10), mindestens einer aufladbaren Batterieeinheit, welche im Oberwagen (16) angeordnet ist und zum Speichern von elektrischer Energie und zum Versorgen der Elektromotoren mit elektrischer Energie ausgebildet ist, und einer Brennstoffzelleneinheit (70), die mindestens eine Brennstoffzelle und einen Wasserstoffvorrat umfasst, wobei die Brennstoffzelleneinheit (70) zum bedarfsweisen Erzeugen von elektrischer Energie ausgebildet ist, welche über einen Pufferbatteriespeicher abgebbar ist. Nach der Erfindung ist vorgesehen, dass die Brennstoffzelleneinheit (70) getrennt zu dem Pufferbatteriespeicher ausgebildet und angeordnet ist, dass die Brennstoffzelleneinheit (70) an einer Außenseite des Oberwagens (16) lösbar angebracht ist oder neben der Tiefbaumaschine (10) angeordnet ist und dass der Pufferbatteriespeicher für die Brennstoffzelle in dem Oberwagen (16) angeordnet ist, vorzugsweise zusammen mit der Batterieeinheit ausgebildet ist.
Resumen de: EP4826135A1
The present disclosure provides a bipolar plate, an electrochemical reaction device and a preparation method, wherein the preparation method of the bipolar plate comprises: providing a cathode plate and an anode plate, aligning the cathode plate and the anode plate and applying pressure to keep the cathode plate and the anode plate in contact, and laser welding and laser nitriding the aligned plates under a nitrogen atmosphere.
Resumen de: EP4826811A1
Die vorliegende Erfindung betrifft ein Verfahren zum Bereitstellen einer Durchflussbatterie, wobei die Durchflussbatterie ein erstes Volumen (V1) und ein zweites Volumen (V2) für die Aufnahme von unterschiedlichen Elektrolytflüssigkeiten aufweist und das erste Volumen oder zweite Volumen durch den ersten und/oder zweiten Lagerbehälter bereitgestellt wird, wobei die Nutzung des Volumens der Durchflussbatterie nach Nutzung des Lagerbehälters in einem landwirtschaftlichen Betrieb oder einer Biogasanlage und dergleichen erfolgt.
Resumen de: WO2025168366A1
The invention relates to a methanol reformer system (1) comprising: a methanol reformer (2); a waste heat utilisation system (3) having a first heat exchanger (4); a water recovery system (5) having a second heat exchanger (6) and a water separator (15); and a cooling water system (7) which is connected to the waste heat utilisation system (3) and the water recovery system (5), wherein an exhaust gas line (8) of the methanol reformer (2) is connected to an inlet (9) on a primary side (10) of the first heat exchanger (4), an outlet (11) on the primary side (10) of the first heat exchanger (4) is connected to an inlet (12) on a primary side (13) of the second heat exchanger (6), and an outlet (14) on the primary side (13) of the second heat exchanger (6) leads into the water separator (15). The invention also relates to a methanol reformer fuel cell system. The invention also relates to a method for recovering heat and water in a methanol reformer system (1).
Resumen de: WO2025125209A1
The invention relates to a polymer electrolyte fuel cell wherein a first reaction compartment and a second reaction compartment are separated from one another by two polymer electrolyte membrane layers. In this cell, the first and second reaction compartments are rolled up adjacently to one another to form a hollow cylinder, with the second reaction compartment being open and the first reaction compartment being gas-imperviously closed at the outer faces of the hollow cylinder. The first reaction compartment here is closed by the ends of the two polymer electrolyte membrane layers, said ends being gas-imperviously joined to one another. Arranged in the interior of the hollow cylinder is an inner housing which has at least one opening. The first reaction compartment is gas-imperviously joined to the inner housing in such a way that a gas can enter the first reaction compartment from the inner housing through the at least one opening. The hollow cylinder is surrounded by an outer housing which has at least one opening. The first reaction compartment is gas-imperviously joined to the outer housing in such a way that a gas can exit the first reaction compartment through the at least one opening ...
Resumen de: EP4825938A1
Provided is an adhesive composition containing a copolymer (A) having (a) a polymer block of an α-methylstyrene monomer and (b) a (co)polymerization block of one or more kinds of aliphatic monoolefins and/or one or more kinds of aliphatic conjugated diolefins or a partially or fully hydrogenated block of the (co)polymerization block, one or more kinds of copolymers (B) having (c) a polymer block of a styrene monomer and (d) a (co)polymerization block of one or more kinds of aliphatic monoolefins and/or one or more kinds of aliphatic conjugated diolefins or a partially or fully hydrogenated block of the (co)polymerization block, and an adhesion imparting agent (C). The present invention can provide an adhesive composition for forming an adhesive layer to be provided on the surface of an elastic rubber material, which is the main material of a sealing material, the adhesive composition capable of forming the adhesive layer with excellent adhesion both at high temperatures (80°C or higher, for example, 100°C) and at normal temperatures of about 25°C.
Resumen de: EP4571903A1
This invention pertains to a fuel cell with a housing structure, anode, cathode, electrolyte medium, fuel and oxidant input mechanisms, and an energy output interface. An optical measurement system is provided, embedded within the fuel cell. The optical measurement system is configured to monitor multiple operational parameters. At least one optical fiber is configured to extend within the fuel cell, wherein multiple sensing points are distributed along said at least one optical fiber. Each sensing point is configured to detect one or more operational parameters within the fuel cell.
Resumen de: EP4570959A1
The present invention concerns a gas diffusion electrode for the electrochemical reduction of carbon dioxide comprising an electrically conductive porous gas diffusion layer; at least one porous catalyst layer arranged adjacent to said gas diffusion layer, said at least one porous catalyst layer comprising a first porous catalyst layer comprising a copper-based first catalyst material; and an ionomer layer arranged adjacent to said at least one porous catalyst layer. The invention also concerns an electrochemical cell comprising such a gas diffusion electrode and a method for manufacturing such a gas diffusion electrode.
Resumen de: EP4570963A1
0001 The present invention concerns a gas diffusion electrode for electrochemical processes comprising an electrically conductive porous gas diffusion layer; at least one porous catalyst layer arranged adjacent to said gas diffusion layer; and an ionomer layer arranged adjacent to said at least one porous catalyst layer. The invention also concerns an electrochemical cell comprising such a gas diffusion electrode and a method for manufacturing such a gas diffusion electrode.
Resumen de: EP4570956A1
The invention refers to an electrochemical system (1) suitable for hot idling comprising- at least one electrochemical module (11) comprising a fuel electrode section, an oxidant electrode section, and a membrane;- at least one fluid inlet line (10) leading to the electrochemical module (11), in particular to the fuel electrode section;- at least one fluid outlet line (12) exiting the electrochemical module (11);- a gas recirculation unit (15) to recirculate a gas or gas mixture exiting the electrochemical module (11) to the fuel electrode section.The system comprises an inert gas unit (3), preferably nitrogen unit, for supplying inert gas to the at least one fluid inlet line (10). The invention refers also to a method of performing electrolysis in a hot idling mode.
Nº publicación: EP4825724A1 21/10/2026
Solicitante:
KELLUU OY [FI]
KELLUU OY
Resumen de: EP4825724A1
The present disclosure provides an airship (100) comprising a hydrogen tank (102) to store hydrogen at a first pressure, a pressure regulator (104) to receive a first hydrogen stream (106) from the hydrogen tank (102) and regulate the pressure of the first hydrogen stream (106) to a second level to generate a second hydrogen stream (108), a flow splitter (110) to receive the second hydrogen stream (108) from the pressure regulator (104) and split the second hydrogen stream (108) into a first fraction (114) and a second fraction (118), a fuel cell (112, 302) to collect the first fraction (112) of the second hydrogen stream (108) and generate electrical energy from the collected first fraction (114), and an envelope storage (116, 200, 312) to receive the second fraction (118) of the second hydrogen stream (108) and accumulate the received second fraction (118) of hydrogen to generate a lifting force.
BOPI
Sede Electrónica
