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409
results.
Updated on
22/08/2025 [06:48:00]
Results 375 to 400 of 409
Absstract of: US2025253361A1
A cooling system for a fuel cell onboard a vehicle includes a plenum, a coolant circuit, and a liquid-to-air heat exchanger. The plenum is configured to receive an airflow from an ambient environment. The coolant circuit is configured to circulate a coolant through the coolant circuit and through a portion of the fuel cell. The liquid-to-air heat exchanger includes a thermally conductive wall having a first side that at least partially defines an airflow channel in fluid communication with the plenum and an opposite second side that at least partially defines a coolant channel in fluid communication with the coolant circuit. The first side of the thermally conductive wall includes a porous wick. When a working fluid is introduced into the porous wick, the porous wick is configured to evaporatively cool the coolant flowing through the coolant channel by promoting evaporation of the working fluid therefrom.
Absstract of: US2025253366A1
An electric power system includes a fuel cell system having a fuel cell stack, and a charge air system having an air compressor and an exhaust turbine for conveying pressurized air to and receiving exhaust from the fuel cell stack. The electric power system also includes a temperature control system having a bypass conduit, and a diverter valve structured to divert pressurized intake air or exhaust around the heat exchanger in a bypass path. The strategy improves charge air system efficiency and can mitigate concerns such as turbine inlet icing when a temperature difference between a compressor outlet temperature and a turbine inlet temperature is less than a threshold temperature difference.
Absstract of: US2025253363A1
A valve module for a vehicle includes a valve holder including a supply passage, through which fluid flows from an inlet, into which the fluid is supplied, a cutoff valve coupled to the valve holder, and that prevents or allow flow of the fluid through the supply passage, and a flow rate control valve coupled to the valve holder, and that controls a flow rate of the fluid that flows through the supply passage.
Absstract of: US2025253362A1
A cooling system for a fuel cell onboard a vehicle includes a coolant circuit and an auxiliary evaporative cooler. The coolant circuit is configured to circulate a coolant including a phase change material therethrough and through a portion of the fuel cell to absorb heat from the fuel cell. The auxiliary evaporative cooler includes a coolant channel in fluid communication with the coolant circuit, an airflow channel in fluid communication with an ambient environment, and a selectively permeable membrane that physically separates the coolant channel from the airflow channel and is selectively permeable to the phase change material. The auxiliary evaporative cooler is configured to evaporatively cool the coolant flowing through the coolant channel by promoting evaporation and transport of the phase change material from the coolant flowing through the coolant channel, through the selectively permeable membrane, and into an ambient airflow flowing through the airflow channel.
Absstract of: US2025253364A1
In accordance with embodiments of the present disclosure, a redox flow battery (RFB) may include a shell, an electrolyte storage tank assembly disposed in the shell, wherein at least a portion of the electrolyte storage tank assembly is supported by the shell, an electrochemical cell, and an electrolyte circulation system configured for fluid communication between the electrolyte storage tank assembly and the electrochemical cell. In some embodiments, at least a portion of the electrolyte storage tank assembly defines a tank assembly heat transfer system between an outer surface of the electrolyte storage tank assembly and an inner surface of the shell. In other embodiments, a pump assembly in the electrolyte circulation system is moveable between a first position and a second position. In other embodiments, a gas management system includes a first gas exchange device in fluid communication with the catholyte headspace and the anolyte.
Absstract of: US2025246657A1
A fuel cell activation apparatus activates fuel cells. The fuel cells include, in order from one side, an anode layer, an electrolyte membrane, and a cathode layer. The anode layer and the cathode layer contain platinum as a catalyst. The fuel cell activation apparatus includes an anode-side gas supply device, a cathode-side gas supply device, and a potential scanning circuit. The fuel cell activation apparatus activates the fuel cells by supplying a fuel gas to the anode layer by the anode-side gas supply device, supplying a low oxygen gas to the cathode layer by the cathode-side gas supply device, and controlling a cathode potential by the potential scanning circuit.
Absstract of: US2025253357A1
Disclosed herein may be a separator for fuel cells, including a body plate, and a serpentine flow channel formed on one surface of the body plate. The serpentine flow channel may include a first main flow channel formed with a first width, a second main flow channel spaced apart from the first main flow channel and formed with a second width, and a bent flow channel connected at one end thereof to the first main flow channel, and connected at another end thereof to the second main flow channel. The first width may be greater than the second width.
Absstract of: US2025246653A1
A fuel cell system includes a fuel cell, an air compressor, a flow rate sensor, a voltage sensor, and a control unit, wherein the control unit performs either a raising operation of causing an air compressor to supply a cathode gas so as to achieve a first air stoichiometric ratio, or a lowering operation of causing the air compressor to supply the cathode gas so as to achieve a second air stoichiometric ratio lower than the first air stoichiometric ratio, and performs the raising operation when a first condition including that an output voltage is a value in a first range is satisfied, and does not perform the raising operation when a second condition including that the output voltage is a value in a second range higher than the first range is satisfied.
Absstract of: 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
Absstract of: CN119366010A
The invention relates to a fuel cell system (100) for generating electrical energy, comprising a fuel cell stack (110) having an anode section (120) and a cathode section (130), the anode section (120) having an anode supply (122) for supplying an anode supply gas (AZG) and an anode discharge (124) for discharging an anode off-gas (AAG), the anode discharge (124) communicating to an anode circulation section (140), and the cathode circulation section (140) communicating to the anode circulation section (140). The anode circuit (140) has an anode supply (122) for circulating the anode off-gas (AAG) as an anode circuit gas (ARG) to the anode supply (122), and a cathode circuit (130) having a cathode supply (132) for supplying a cathode supply gas (KZG) and a cathode discharge (134) for discharging the cathode off-gas (KAG), an active cooling device (180) for cooling the anode circuit gas (ARG) being provided in the anode circuit (140), a drain opening (128) for discharging condensate water (KW) condensed in the active cooling device (180) is provided downstream of the active cooling device (180), and wherein a mixing section (123) is provided downstream of the drain opening (128) for mixing the anode recycle gas (ARG) with the fuel gas (BRG) and feeding the mixture as an anode supply gas (AZG) into the anode supply section (122).
Absstract of: 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.
Absstract of: CN119630469A
The present invention relates to a hollow fiber membrane capsule, a humidifier for a fuel cell, and a fuel cell including the humidifier. According to the present invention, the hollow fiber capsule has excellent heat resistance and hydrolysis resistance, and has a heat distortion temperature of 120 DEG C or more and a moisture absorption rate of 1% or less, and thus a reduction in mechanical properties and a dimensional change that may occur during use of a fuel cell can be minimized, thereby improving durability of a product.
Absstract of: WO2025164851A1
The present invention relates to a gas distributor for a fuel cell and, more specifically, to a gas distributor for a fuel cell in which the gas distributor decompresses high-pressure gas in two stages and supplies same to the fuel cell, wherein the gas primarily decompressed in the first stage is accommodated in an intermediate-pressure buffer tank and is then decompressed to operating pressure by a two-stage decompression unit, connected to the intermediate-pressure buffer tank, and supplied to the fuel cell, thus making it possible to configure a fuel cell gas supply system while minimizing an increase in volume and weight, even when it is necessary to supply a large volume of gas. Details of the initiative that supported this invention are as follows. Project Identification No. 1415186901 Project No. 20229400000070 Department Ministry of Trade, Industry and Energy Project Management (Specialized) Agency Korea Institute of Energy Technology Evaluation and Planning Name of Research Initiative Fostering of technologically innovative small and medium-sized energy companies (R&D) Name of Research Project 10 kW air-cooled fuel cell system for improving operating rate of small road sweeper by 50% and development of operation technology Name of Institution Carrying out Project TerraLIX Co., Ltd. Research Period July 01, 2022 to June 30, 2024.
Absstract of: WO2025164861A1
The present invention relates to a waterproofing and dustproofing system for an air-cooled fuel cell and, more specifically, to a waterproofing and dustproofing system for an air-cooled fuel cell, wherein the system prevents moisture and dust from entering a stack while allowing the air-cooled fuel cell to have an open structure, thereby solving the problems of short circuiting due to water infiltration and decreased cooling efficiency due to dust accumulation, and reducing the risk of fire, thus making it possible to freely install the system in various spaces. Details of the project that supported this invention are as follows. Project Identification No. 0000224195 Project No. JIAT-22-4195 Department Ministry of Trade, Industry and Energy Project Management (Specialized) Agency (Incorporated Foundation) Automotive Fusion Technology Institute Research Business Name Development of 30-odd core parts and materials for Jeollabuk-do province Research Project Title Development and demonstration of 5 kW hydrogen fuel cell power generation modules for extending operating time and replacing batteries in electric carts Project Executing Institution TerraLIX Co., Ltd. Research Period May 01, 2022 to February 28, 2024
Absstract of: DE102024109093A1
Eine Auffangvorrichtung mit einem Körper, der eine Kammer definiert, die zur Aufnahme von Flüssigkeit und Gas aus einem Brennstoffzellensystem ausgelegt ist. Die Kammer umfasst einen oberen und einen unteren Endbereich. Ein Auslauf ist am Körper angeordnet und steht in Fluidkommunikation mit dem unteren Endbereich der Kammer. Ein Gasbypass-Schlauch umfasst ein erstes Ende, das in Fluidkommunikation mit dem oberen Endbereich der Kammer steht, und ein zweites Ende, das in Fluidkommunikation mit dem unteren Endbereich der Kammer steht. Zwischen der Kammer und dem Auslauf befindet sich ein Magnetventil. Das Magnetventil kann in einen offenen Zustand geschaltet werden, der eine Fluidkommunikation zwischen der Kammer und dem Auslauf ermöglicht, um Flüssigkeit abzulassen und Gas aus der Kammer abzuleiten, und in einen geschlossenen Zustand, der eine Fluidkommunikation zwischen der Kammer und dem Auslauf verhindert.
Absstract of: DE102024109302A1
Ein Kanal für eine Brennstoffzelle umfasst einen Kanalkörper, der eine Öffnung definiert, die so konfiguriert ist, dass Fluid dadurch hindurchfließen kann. Der Kanalkörper umfasst ein flexibles Netz, das so konfiguriert ist, dass es dem Kanalkörper eine anpassbare Flexibilität bereitstellt. Zusätzlich ist ein Flächenüberzug auf einer Außenfläche des Kanalkörpers angeordnet. Darüber hinaus stellt der Flächenüberzug dem Kanalkörper eines oder mehrere von Flammhemmung und struktureller Integrität bereit.
Absstract of: DE102024102849A1
Die Erfindung betrifft eine Temperier-Anordnung (20) zum Temperieren einer Komponente (22). Die Temperier-Anordnung (20) umfasst einen Temperierkreislauf (21), in welchem ein Temperiermittel (T) zirkulierbar ist und in welchem die zu temperierende Komponente (21) angeordnet ist, so dass Wärme zwischen dieser Komponente (21) und dem Temperiermittel (T) übertragbar ist. Des Weiteren umfasst die Temperier-Anordnung (20) eine Fördereinrichtung (23) zum Antreiben des Temperiermittels (T) im Temperierkreislauf (21). Ferner umfasst die Temperier-Anordnung (20) ein im Temperierkreislauf (21) angeordneten Speicherbehältnis (1) zum Zwischenspeichern des Temperiermittels (T). Das Speicherbehältnis (1) umfasst ein Gehäuse (2), welches einen von dem Temperiermittel (T) durchströmbaren Gehäuseinnenraum (3) zum Aufnehmen des Temperiermittels (T) umgibt. Ferner umfasst das Speicherbehältnis (1) einen am Gehäuse (2) angeordneten und eine Einlassöffnung (4) aufweisenden Fluideinlass (5) zum Einleiten des Temperiermittel in den Gehäuseinnenraum (3) und einen am Gehäuse (2) angeordneten und eine Auslassöffnung (6) aufweisenden Fluidauslass (7) zum Ausleiten des Temperiermittels (T) nach dem Durchströmen des Gehäuseinnenraums (3). Im Gehäuseinnenraum (3) des Speicherbehältnisses (1) ist wenigstens ein von dem Temperiermittel (T) durchströmbarer Formkörper (11) aus einem Schaumstoff angeordnet.
Absstract of: DE102024102992A1
Ein Verfahren zur Montage und Prüfung eines Stapels (1) elektrochemischer Zellen (2), welcher eine Anzahl an Bipolarplatten (3) sowie Dichtungen (4) umfasst, sieht vor, dass während eines Verpressens des Zellenstapels (1) eine akustische Qualitätsprüfung durchgeführt wird.
Absstract of: DE102025103952A1
Ein Brennstoffzellenstapel weist mehrere gestapelte Einzelzellen auf. Jede Einzelzelle weist eine Stromerzeugungseinheit, ein Rahmenelement, einen ersten Separator und einen zweiten Separator auf. Zwischen dem ersten Separator einer ersten Einzelzelle und dem zweiten Separator einer zweiten Einzelzelle ist eine Dichtung vorgesehen. Der erste Separator der ersten Einzelzelle weist einen ersten Vorsprung auf, und der zweite Separator der zweiten Einzelzelle weist einen zweiten Vorsprung auf. Der erste Vorsprung und der zweite Vorsprung springen so vor, dass sie miteinander in Kontakt sind, wodurch ein Strom eines Kühlmittels zur Außenseite des Kühldurchlasses unterdrückt wird. Eine Rückseite von zumindest einem von dem ersten Vorsprung und dem zweiten Vorsprung weist einen flachen Oberflächenteilabschnitt auf, der mit dem Rahmenelement in Kontakt ist, das der Rückseite zugewandt ist.
Absstract of: DE102024200969A1
Die Erfindung betrifft ein Verfahren zur Individualisierung einer Betriebsstrategie eines Brennstoffzellenstapels, umfassend eine Stapelung mehrerer technisch gleichartiger, aus mehreren Zellkomponenten zusammengesetzter und aufgrund von Fertigungstoleranzen sich im Einzelnen unterscheidender Brennstoffzellen, aufgrund derer das Betriebsverhalten des Brennstoffzellenstapels individualisiert ist. Erfindungsgemäß wird zur Berücksichtigung der Individualität des Betriebsverhaltens ein prädiktives Modell des Brennstoffzellenstapels erstellt, unter Berücksichtigung mindestens einer in den unterschiedlichen Fertigungstoleranzen und/oder der Stapelreihenfolge begründeten individuellen Charakteristik des Brennstoffzellenstapels individuell parametriert, einer Systemsimulation zugeführt und mit Hilfe dieser eine Betriebsstrategie für den Brennstoffzellenstapel vorgegeben.Die Erfindung betrifft ferner eine Steuerungseinrichtung, die dazu eingerichtet ist, die brennstoffzellenstapelindividuelle Betriebsstrategie umzusetzen.
Absstract of: DE102025103777A1
Eine Einzelzelle für eine Brennstoffzelle weist eine Stromerzeugungseinheit und zwei Separatoren auf, die die Stromerzeugungseinheit in die Mitte nehmen. Jeder Separator weist eine gegenüberliegende Oberfläche auf, die der Stromerzeugungseinheit gegenüberliegt. Die gegenüberliegende Oberfläche hat einen Gasdurchlass und Rippen. Der Gasdurchlass weist einen Maschenabschnitt, einen Einströmabschnitt, der derart konfiguriert ist, dass Reaktionsmittelgas durch den Einströmabschnitt in den Maschenabschnitt strömt, und einen Ausströmabschnitt auf, der derart konfiguriert ist, dass das Reaktionsmittelgas aus dem Maschenabschnitt durch den Ausströmabschnitt strömt. Die Rippen, die ein Gittermuster ausbilden, umfassen Rippen, die in einer Richtung angeordnet sind. Eine Länge von jeder der in der einen Richtung angeordneten Rippen nimmt für mindestens eine der Rippen vom Einströmabschnitt zum Ausströmabschnitt stufenweise zu oder ab.
Absstract of: DE102024134049A1
Ein Ventilmodul für ein Fahrzeug umfasst einen Ventilhalter mit einem Zufuhrkanal, durch den Fluid von einem Einlass strömt, in den das Fluid zugeführt wird, ein Absperrventil, das mit dem Ventilhalter verbunden ist und das den Durchfluss des Fluids durch den Zufuhrkanal verhindert oder zulässt, und ein Durchflussmengen-Steuerungsventil, das mit dem Ventilhalter verbunden ist und das eine Durchflussmenge des Fluids steuert, das durch den Zufuhrkanal strömt.
Absstract of: WO2025165433A2
An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).
Absstract of: WO2025165714A1
The present disclosure provides methods for making a composite ionomer-graphene membrane and systems containing such membranes. The method includes providing a graphene layer; subjecting the graphene layer to UV-Ozone treatment to generate a plurality of defects distributed across a surface of the graphene layer, wherein plurality of defects corresponds to a defect density of about 1x1011 cm-2 to about 5x1012 cm-2 and wherein the UV-ozone treatment comprises generating ultraviolet light in an oxygen-containing atmosphere, and wherein molecular oxygen in the oxygen-containing atmosphere absorbs the ultraviolet light to generate oxygen radicals and/or molecular ozone that reacts with the graphene layer to generate the defects; and laminating the treated graphene layer to an ionomer membrane to generate a composite ionomer-graphene membrane.
Nº publicación: WO2025164862A1 07/08/2025
Applicant:
SAMSUNG E&A CO LTD [KR]
\uC0BC\uC131\uC774\uC564\uC5D0\uC774(\uC8FC)
Absstract of: WO2025164862A1
Provided are an electrode module and an electrochemical system including same. The electrode module disclosed herein comprises: an inlet for a first fluid; a recuperator in fluid communication with the inlet for the first fluid; an electric heater in fluid communication with the recuperator; a supply pipe for the first fluid, the supply pipe being in fluid communication with the electric heater; a stack seating part in fluid communication with the supply pipe for the first fluid; a discharge means for a second fluid, the discharge means being in fluid communication with the stack seating part; and a discharge outlet for the second fluid, the discharge outlet being in fluid communication with the discharge means for the second fluid via the recuperator. The recuperator is configured to exchange heat between the first fluid and the second fluid.
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