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622
resultados
Última actualización
01/04/2026 [07:14:00]
Resultados 475 a 500 de 622
Resumen de: US20260081193A1
A compressor and a multi stack fuel cell are provided with adjustable pressurized fluid inputs. A compressor has a first compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid and output the compressed fluid as an output fluid at a first pressure. The compressor further has a second compressor stage that is configured to take in an intake fluid, compress the intake fluid to a compressed fluid, and output the compressed fluid as an output fluid at a second pressure.
Resumen de: US20260081195A1
A membrane electrode assembly includes a first electrode, a second electrode, an ion-exchange membrane provided between the first electrode and the second electrode, and an intermediate layer between the second electrode and the ion-exchange membrane. The intermediate layer is a conductive porous body.
Resumen de: US20260081191A1
A separator according to an embodiment includes a flow channel comprising one or more flow-channel grooves provided between flow-channel walls. One or more protrusions are provided on the flow-channel walls.
Resumen de: US20260081187A1
An electrode according to an embodiment includes a support comprising metal fibers or metal particles, the support comprising a first surface and a second surface located opposite the first surface and a catalyst layer provided on the metal fibers or the metal particles on the first surface side of the support. An average fiber diameter of the metal fibers and an average primary diameter of the metal particles are denoted as D. A direction from the first surface of the support to the second surface of the support is a thickness direction of the support. The catalyst layer is provided at from the first surface to a position at a minimum depth of 3×D or more and a position at a maximum depth of 10×D or less.
Resumen de: US20260081190A1
A separator according to an embodiment includes a first flow channel comprising flow-channel grooves and connecting a first location and a second location. The first flow channel has a serpentine flow channel shape. The midpoint in a length direction of the first flow channel is defined as the boundary. A range from the boundary to the first location side is defined as the first half. A range from the boundary to the second location side is defined as the second half. A turnaround area is included in the first half of the first flow channel. A turnaround area is included in the second half of the first flow channel that has a flow channel pattern different from that in the first half of the first flow channel.
Resumen de: US20260081196A1
A device may include a decellularized biological scaffold, a first electrode, and a second electrode, wherein the decellularized biological scaffold is in electrical and/or chemical communication with the first and second electrodes. In one example, the device is a battery and the device may include an electrolyte layer supported on the decellularized biological scaffold; an anode layer disposed on a first side of the electrolyte layer; and a cathode layer disposed on second side of the electrolyte layer, opposite the anode layer. The electrolyte layer may include a plant-based conductive hydrogel and/or a PEDOT collagen matrix. The anode and/or the cathode layer may comprise metallic vesicles secreted by a plant.
Resumen de: DE102024208922A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems (100), insbesondere für ein Fahrzeug (FCV),wobei das Brennstoffzellensystem (100) mit mindestens einem Brennstoffzellenstack (101) ausgeführt ist,welches zumindest einen Abgaspfad (12) aufweist,wobei das Verfahren dazu dient, ein Zurückfließen von einem Flüssigwasser in dem zumindest einen Abgaspfad (12) in Richtung zu dem mindestens einen Brennstoffzellenstack (101) zu vermeiden,das Verfahren aufweisend:(10) Betreiben des Brennstoffzellensystems (100),(20) Ermitteln eines Neigungswinkels (W) des zumindest einen Abgaspfades (12),(40) Berücksichtigen des Neigungswinkels (W) beim Betreiben des Brennstoffzellensystems (100).
Resumen de: DE102025128157A1
Ein Separator, der in einer Brennstoffzelle verwendet wird, umfasst: eine Zufuhrverteileröffnung für Brenngas; eine Auslassverteileröffnung für das Brenngas; und ein Brenngasströmungswegsystem, das das Brenngas durch einen Stromerzeugungsabschnitt der Brennstoffzelle strömen lässt, wobei das Brenngasströmungswegsystem einen ersten Strömungswegabschnitt, der das Brenngas von der Zufuhrverteileröffnung zum Stromerzeugungsabschnitt leitet, einen zweiten Strömungswegabschnitt, der dem Stromerzeugungsabschnitt zugewandt ist und das Brenngas dem Stromerzeugungsabschnitt zuführt, und einen dritten Strömungswegabschnitt umfasst, der das Brenngas vom Stromerzeugungsabschnitt zur Auslassverteileröffnung leitet. Der dritte Strömungswegabschnitt umfasst einen Strömungsweg mit geringer Hydrophilie, der in der Nähe der Auslassverteileröffnung angeordnet ist und eine Oberfläche mit geringer Hydrophilie aufweist.
Resumen de: DE102024208921A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zur Diagnose eines Brennstoffzellensystems (200).Das vorgestellte Verfahren (100) umfasst:- Schließen (101) eines Anodensubsystems und eines Kathodensubsystems eines Brennstoffzellenstapels (201) des Brennstoffzellensystems (200),- Ermitteln (103) einer Dauer einer Stagnationsphase,- Zuordnen (105) der ermittelten Dauer zu einem Zustand des Brennstoffzellensystems (200),- Ausgeben (107) des der ermittelten Dauer zugeordneten Zustands,wobei die Stagnationsphase zu einem ersten Zeitpunkt (t1) beginnt, zu dem ein Anodendruck (111) in dem Anodensubsystem einem Kathodendruck (113) in dem Kathodensubsystem entspricht, undwobei die Stagnationsphase zu einem zweiten Zeitpunkt (t2) endet, zu dem eine Änderungsrate eines Verlaufs des Anodendrucks (111) und/oder des Kathodendrucks (113) über einem vorgegebenen Schwellenwert liegt.
Resumen de: DE102024208926A1
Die vorliegende Erfindung betrifft ein Verfahren zum Bestimmen eines Wärmedurchgangskoeffizienten (Kradr,k) eines Radiators (10) in einem Brennstoffzellensystem (100) sowie ein entsprechendes Computerprogrammprodukt, einen computerlesbaren Datenträger, eine Steuereinheit und ein Brennstoffzellensystem (100).
Resumen de: DE102024208930A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Starten eines Brennstoffzellensystems (200).Das Verfahren (100) umfasst:- Betreiben (103) des Brennstoffzellensystems (200) in einer ersten Phase (305), wobei in der ersten Phase (305) ein Brennstoffzellenstapel (201) des Brennstoffzellensystems (200) durch Einleiten von Luft in den Brennstoffzellenstapel (201) auf eine vorgegebene Sollspannung (309) bei konstantem elektrischem Strom eingeregelt wird,wobei während der ersten Phase (305) eine Kühlmittelpumpe (203) des Brennstoffzellensystems (200) so lange deaktiviert bleibt, bis der Brennstoffzellenstapel (201) eine Anzahl Umschaltkriterien erfüllt, und- Umschalten des Brennstoffzellensystems (200) in eine zweite Phase (307) durch Aktivieren der Kühlmittelpumpe (203), für den Fall, dass der Brennstoffzellenstapel (201) die Anzahl Umschaltkriterien erfüllt.
Resumen de: US20260081194A1
A regenerative fuel cell has one half-cell which produces gas while charging and consumes the gas during discharge. The electrolyte liquid circulated through that half-cell comprises a flexible long chain polymer or a viscoelastic surfactant. The half-cell is configured to compel the flow of electrolyte liquid to make repeated changes in direction and the flow rate is sufficient that elastic turbulence occurs. This dislodges bubbles of produced gas from the electrodes, maintaining more electrode surface available for reaction and enhancing efficiency. The other half-cell may also be in a state of elastic turbulence enhancing mass transport to and from its electrode surface
Resumen de: US20260081186A1
A method includes placing an interconnect in a furnace, sintering the interconnect by heating the interconnect in a reducing atmosphere in the furnace, oxidizing the interconnect by heating the interconnect in an oxidizing atmosphere in the furnace, and removing interconnect from the furnace.
Resumen de: US20260081188A1
A separator used in a fuel cell includes: a supply manifold hole for fuel gas; an exhaust manifold hole for the fuel gas; and a fuel gas flow path system causing the fuel gas to flow through an electricity generation portion of the fuel cell, the fuel gas flow path system including a first flow path portion directing the fuel gas from the supply manifold hole to the electricity generation portion, a second flow path portion facing the electricity generation portion and supplying the fuel gas to the electricity generation portion, and a third flow path portion directing the fuel gas from the electricity generation portion to the exhaust manifold hole. The third flow path portion includes a low-hydrophilicity flow path disposed at the vicinity of the exhaust manifold hole and includes a low-hydrophilicity surface.
Resumen de: US20260081184A1
An electrode capable of preventing Ni from being re-oxidized and reduced and thereby having improved initial characteristics and durability is provided. The electrode includes a cermet layer containing Ni-containing particles and an Nb compound. The Nb compound may cover at least parts of surfaces of the Ni-containing particles. The ratio of the mass of Nb contained in the Nb compound to the mass of Ni contained in Ni-containing particles may be 0.2 to 3.0 mass %. La may be contained in the Nb compound. The cermet layer may contain electrolyte particles having oxide ion conductivity or both oxide ion and electron conductivities.
Resumen de: US20260081189A1
A separator according to an embodiment including: a flow channel comprising flow-channel walls and flow channel grooves provided between the flow-channel walls; a supply manifold; an exhaust manifold; a supply connection channel connecting one end of the flow channel to the supply manifold; and an exhaust connection channel connecting the other end of the flow channel to the exhaust manifold. The supply connection channel or/and the exhaust connection channel comprise one or more first protrusion-wall groups including first protrusion-walls and one or more second protrusion-wall groups including second protrusion-walls. The first protrusion-walls are aligned in a second direction which is a vertical direction relative to a first direction which is parallel to the flow-channel grooves at the end portion of the flow channel. The second protrusion-walls are aligned in a second direction. The first protrusion-wall groups and the second protrusion-wall groups are aligned in the first direction. The second protrusion-wall groups are offset in the second direction from the first protrusion-wall groups.
Resumen de: DE102024208918A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems (1), bei dem einem Brennstoffzellenstapel (2) über einen Anodenkreis (3) eines Anodensubsystems (4) ein Anodengas zugeführt wird, das Wasserstoff aus einem Tank (5) sowie rezirkuliertes Anodengas enthält, und bei dem rezirkuliertes Anodengas von Zeit zu Zeit durch Öffnen eines in den Anodenkreis (3) integrierten, elektromagnetisch ansteuerbaren Purgeventils (6) aus dem Anodenkreis (3) entfernt und durch Wasserstoff aus dem Tank (5) ersetzt wird. Erfindungsgemäß wird zur indirekten Ermittlung der Zusammensetzung des Anodengases das Purgeventil (6) angesteuert und vom Verlauf eines Strom- oder Spannungssignals der Ansteuerung wird auf die Zusammensetzung des Anodengases geschlossen.Darüber hinaus betrifft die Erfindung ein Steuergerät für ein Brennstoffzellensystem zur Ausführung von Schritten eines erfindungsgemäßen Verfahrens.
Resumen de: WO2026059827A1
A fuel cell system includes a molten carbonate fuel cell module including an anode section configured to output an anode exhaust stream including carbon dioxide and hydrogen and a cathode section configured to receive a cathode input stream. The fuel cell system further includes a drying system configured to receive and remove water from the anode exhaust stream and to output a dried anode exhaust stream comprising less than 0.1 percent water and a carbon dioxide solvent extraction system configured to receive the dried anode exhaust stream, expose the dried anode exhaust stream to a physical solvent to absorb carbon dioxide, output a carbon dioxide product stream comprising at least 99 percent carbon dioxide, and output a sweet gas stream.
Resumen de: US20260081183A1
An improved redox flow battery, and method of making a redox flow battery, are described. The redox flow battery comprising a positive electrode tank comprising a catholyte and a cathode electrode and a negative electrode tank comprising an anolyte and an anode electrode. A membrane is between the positive electrode tank and the negative electrode tank wherein at least one of the cathode electrode or the anode electrode is a pitch-based carbon fiber electrode.
Resumen de: US20260078250A1
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C═C(R3)C(O)R in which the substituents R1, R2 and R3 are, independently of each other, selected from the group consisting of H and C1-C5 alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′ with R′ selected from the group consisting of C1-C18 alkyl optionally substituted by one or more —OH group(s) or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the difference between the melting temperature and the crystallisation temperature of the composition is greater than or equal to 40° C. and in that the composition is in powder form.
Resumen de: US20260078248A1
The present invention relates to side-chain functionalized polymers and copolymers and their use as alkaline anion exchange membrane materials, for example in alkaline water electrolyzers, fuel cells or flow batteries.
Resumen de: US20260078218A1
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: EP4711327A1
A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm
Resumen de: CN120957831A
The invention relates to a device (5) and a method for welding half-sheets (2, 3) to form a bipolar plate (1). The device comprises at least three tool parts, namely a lower tool part (6a) and a multi-part upper tool part (6b), in which half-sheets (2, 3) to be welded together can be inserted between the lower tool part (6a) and the multi-part upper tool part (6b). The multi-part upper tool part (6b) comprises a plurality of individual parts (7; the individual parts (7, 8) of the multi-part upper tool part (6a) can be arranged one after the other and only alternately above the lower tool part (6a), and wherein both at least one first opening (9) for introducing a pressurized gas and at least one second opening (10) for introducing a pressurized gas are formed in each of the individual parts (7, 8) of the multi-part upper tool part (6a). The half-sheets (2, 3) can be pressed against each other by means of a pressurized gas, and a second opening (10, 10 ') for introducing joining energy during the welding process for welding the half-sheets (2, 3), the second opening (10, 10') in the individual part (7, 8) of the multi-part upper tool part (6b) as viewed perpendicular to the plane of the half-sheets (2, 3), and the second opening (10, 10 ') being formed in the individual part (7, 8) of the multi-part upper tool part (6b), as viewed perpendicular to the plane of the half-sheets (2, 3). 10 ') are largely complementary to each other and overlap only in some areas, such that only a
Nº publicación: EP4712293A1 18/03/2026
Solicitante:
YANMAR HOLDINGS CO LTD [JP]
Yanmar Holdings Co., Ltd
Resumen de: EP4712293A1
Problem To provide an operation management device capable of ensuring the convenience of a power generation system by causing the power generation system to perform an operation suitable for a request to the power generation system in a predetermined case.Solution An operation management device manages an operation of a power generation system comprising an engine power generator and a fuel cell power generator, and the operation management device comprises a processing portion that operates one of the engine power generator and the fuel cell power generator when a required output of the power generation system is equal to or less than a first predetermined value.
BOPI
Sede Electrónica
