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396
results.
Updated on
23/08/2025 [06:49:00]
Results 175 to 200 of 396
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: US2025253374A1
A joined base material includes a real base material having an elongated strip shape including a support film and an electrolyte membrane laminated on each other, a dummy base material having an elongated strip shape including a first layer and a second layer laminated on each other, and a connecting member connecting the real base material and the dummy base material to each other. The connecting member includes a first part that adheres to the real base material, a second part that adheres to the dummy base material, and a third part located between the first part and the second part and overlaid on an end portion of the real base material and an end portion of the dummy base material. Adhesive power in the third part is smaller than adhesive power in the first part and adhesive power in the second part.
Absstract of: WO2024126749A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
Absstract of: KR20250122871A
본 발명의 일실시예는 프로톤 전도성 산화물 연료 전지를 제공한다. 본 발명의 실시예에 따르면, 다층구조 전해질을 활용해 전해질 내부의 프로톤 농도를 증가시킬 수 있고 이에 따라 전해질/공기극 계면의 반응영역에 더욱 빠르고 더 많은 양의 프로톤을 공급할 수 있는 효과가 있다.
Absstract of: GB2627062A
A fuel cell system, and associated method, comprises at least one fuel cell stack with associated anode and cathode inlets and off-gas outlets. An included cracker for at least partially cracking fuel gas, and a recuperative heat exchanger are included as well as a heat source. The heat source may comprise a tail gas burner or a catalytic combuster. Such a catalytic component may be a catalytic cracker heat exchanger CCCHX. The recuperative heat exchanger transfers heat from higher to lower temperatures between an outlet of the cracker and to the gas delivered to the heat exchanger so as to increase the fuel gas temperature between first inlet and first outlet of the heat exchanger and reduce the temperature of the cracked fuel gas from the cracker. This occurs between second inlets an outlets of the heat exchanger before delivery to an anode inlet. Fuel gas may contain ammonia which is partially cracked in to nitrogen and hydrogen gases at temperatures between 550-900 degrees C.
Absstract of: WO2025170588A1
An ambient energy converter includes a housing having an upper portion and a lower portion. The housing lower portion has a hydrophobic material portion. The upper portion has a vent opening in fluid communication with ambience. The housing contains a mass of hygroscopic within the housing lower portion that is in fluid communication with the hydrophobic material portion. An ion conductive membrane electrode assembly is coupled to the housing to allow the passage of ionized water or water vapor through the ion conductive membrane electrode and into contact with the hygroscopic solution. An air conduit may be coupled to the housing to provide an airflow to the ion conductive membrane electrode and/or hydrophobic material portion.
Absstract of: WO2025170474A1
Examples of electrochemical cells are disclosed. The electrochemical cell can comprise a container, an inner half-cell within the container, an outer half-cell within the container, and a product transport tube for transporting hydrogen from the electrochemical cell. The inner half-cell can define a substantially gas-tight internal volume. An inner portion of the product transport tube can be within the internal volume. The inner portion of the product transport tube can be hydrogen permeable. A method of fabricating an electrochemical cell is also disclosed.
Absstract of: WO2025170011A1
In this fuel cell: (i) the flow path cross-sectional area of a first proximal flow path (111j+1) is larger than the flow path cross-sectional area of one distal flow path (120j+1), and the flow path cross-sectional area of a second proximal flow path (112j+1) is larger than the flow path cross-sectional area of one distal flow path (120j+1); or (ii) a first distal flow path (121j+1) is a flow path adjacent to the first proximal flow path (111j+1), a second distal flow path (121j+1) is a flow path adjacent to the second proximal flow path (112j+1), the flow path cross-sectional area of the first proximal flow path (111j+1) is larger than the flow path cross-sectional area of the first distal flow path (121j+1), and the flow path cross-sectional area of the second proximal flow path (112j+1) is larger than the flow path cross-sectional area of the second distal flow path (121j+1).
Absstract of: WO2025169724A1
This invention relates to nitrogen-containing porous carbon. In the nitrogen-containing porous carbon, a part of a carbon element in the skeleton of a carbon material is substituted with a nitrogen element. A most frequent pore diameter of the nitrogen-containing porous carbon in a pore diameter range of 2.0 nm-50.0 nm inclusive is 2.0 nm-30.0 nm inclusive. In the nitrogen-containing porous carbon, the ratio of the mass of the nitrogen element to the mass of the carbon element is 0.005 or more. The nitrogen-containing porous carbon has a BET specific surface area of 400 m2/g or more as measured by a nitrogen adsorption method.
Absstract of: WO2025168187A1
A separator plate and its production as well as the production of a precursor, and a fuel cell comprising such a separator plate is disclosed. The electroconductive separator plate (5) is produced by using an aqueous dispersion (2) of powders of polyphenylene sulfide (PPS), polytetrafluorethylene (PTFE) and polyetherimide (PEI) in specific amounts relative to an electroconductive filler, for example carbon powder, and providing a dry malleable compound of the electroconductive filler and polymeric binder as a precursor (3).
Absstract of: WO2025167347A1
Provided in the present invention are a polynorbornene-based interpenetrating polymer network cross-linked anion exchange membrane, and a preparation method therefor and the use thereof. In the present invention, the polynorbornene-based interpenetrating polymer network cross-linked anion exchange membrane is prepared from polynorbornene, allylphenol quaternary ammonium salt and polythiol under irradiation from an ultraviolet lamp. The polynorbornene-based interpenetrating polymer network cross-linked anion exchange membrane has a smooth and transparent surface and good conductivity, stability and mechanical properties, overcomes the common problem of balancing conductivity and stability of an AEM, and can be applied to alkaline fuel cells, and devices for alkaline water electrolysis, electrodialysis, waste acid recovery, carbon dioxide reduction, etc.
Absstract of: US2025257235A1
An ink production method is a method for producing an ink for use in the formation of a membrane electrode assembly of a fuel cell, the method includes: a generation step of mixing ionomer and solvent to generate an ionomer solution having a concentration of solid content of 7.5% by mass or more and an alcohol ratio in the solvent of 85% by mass or more; and a shearing treatment step of applying a shear force to the ionomer solution generated in the generation step.
Absstract of: US2025256311A1
The invention relates to a method of recovering catalyst material from a membrane electrode assembly from water electrolysis, including the steps of providing a membrane electrode assembly having a membrane coated with a metallic catalyst material, comminuting the membrane electrode assembly, pyrolytically decomposing the comminuted membrane electrode assembly to obtain a solid pyrolysis product as residue, dissolving the solid pyrolysis product in a mixture of concentrated hydrochloric acid and concentrated nitric acid, removing the nitrates by heating the solution to 100° C. to 110° C.,—filtering the insoluble residue, and drying the insoluble residue at a drying temperature (TD) to recover the metallic catalyst material. The method may be employed for the recycling of a membrane electrode assembly from PEM water electrolysis, where iridium as metallic catalyst material is recovered.
Absstract of: US2025257846A1
To enable a hydrogen tank to be efficiently filled with hydrogen even when the hydrogen tank has a large capacity, hydrogen filling at the nozzle flow is prohibited when the nozzle flow of a nozzle is larger than the receptacle flow of a receptacle or when the receptacle flow is unknown under the condition that the nozzle and the receptacle can be connected to each other.
Absstract of: US2025257849A1
The invention relates to a connector device for connecting one or more hydrogen storage means to a fuel cell. For this purpose, a connector device is proposed which has a main part made of a light metal, such as aluminum, and connector elements made of a high-strength material, such as high-grade steel.
Absstract of: US2025256957A1
The power generation system comprises a fuel cell unit adapted to generate electric power using a hydrocarbon-containing gas. A water-gas shift reactor is adapted to receive flue gas from the fuel cell unit and convert carbon monoxide contained in the flue gas into carbon dioxide and hydrogen. A cryogenic carbon dioxide capture unit is adapted to receive flue gas from the water-gas shift reactor and remove carbon dioxide therefrom. A recycle line recycles carbon dioxide-depleted flue gas to the fuel cell unit.
Absstract of: US2025257948A1
A dosing apparatus distributing a coolant on a radiator, which has at least one supply line for transporting the coolant, in which there is at least one nozzle for distributing the coolant on the radiator is provided. The nozzles are designed to distribute the coolant in a laminar stream.
Absstract of: US2025257480A1
The following disclosure relates to substacks configured to form an electrochemical stack. A substack for an electrochemical stack includes a plurality of electrochemical cells, each electrochemical cell having a cathode flow field, an anode flow field, and a membrane positioned between the cathode flow field and the anode flow field. The substack also includes an anode unipolar plate and a cathode unipolar plate, wherein the plurality of electrochemical cells is positioned between the anode unipolar plate and the cathode unipolar plate. The substack is configured to be independently tested for one or more performance parameters prior to addition to the electrochemical stack. The substack is also configured to be added to the electrochemical stack including at least one additional substack following achieving a threshold test result for the one or more performance parameters being tested.
Absstract of: US2025257481A1
The following disclosure relates to electrochemical or electrolysis cells and components thereof. More specifically, the following disclosure relates to an improved porous transport layer (PTL) with catalyst coated particles or fibers, as well as methods of coating a PTL with a catalyst coating composition. In one example, a catalyst-ionomer mixture is coated onto Titanium (Ti) particles or fibers to form a percolated coating layer near a surface of the PTL via impregnation/infiltration, electrophoretic deposition, or electroplating.
Absstract of: US2025257490A1
An electrochemical cell active hydrogen capture and release system including a first zone having a target predetermined concentration of hydrogen c1 and housing: an electrical component, an adsorbing electrode including a hydrogen adsorbing material, a counter electrode separated from the adsorbing electrode, and an electric circuit connecting the adsorbing and counter electrodes to apply electrical bias configured to facilitate capture and release of hydrogen gas from the adsorbing electrode; and a second zone having a target predetermined concentration of hydrogen c2, c2 being greater than c1.
Absstract of: US2025260232A1
A method for operating a power system in the present disclosure includes the steps of planning an output of a fuel cell system in a second period, which is later than a first period, in such a way as to make up differences between actual values of power demand and actual values of an output of a solar power generation system in the first period, causing, if a sum of the output of the solar power generation system and the output of the fuel cell system is larger than the power demand, the storage battery system to store power, and causing, if the sum of the output of the solar power generation system and the output of the fuel cell system is smaller than the power demand, the storage battery system to discharge power in such a way as to meet the power demand.
Absstract of: US2025260234A1
The present disclosure is directed to a system that employs fuel cell-based power generation for decentralized data centers that perform large, processing intensive tasks, such as training processes for large artificial intelligence models. The system utilizes various modules, such as energy storage systems, load banks, and other types of loads, to supplement power output by the fuel cells, as well as store any excess power generated by the fuel cell systems. As a result, swings in the power output by the fuel cell systems are minimized and the life of the fuel cell systems may be extended.
Absstract of: US2025260030A1
A fuel conducting device for conducting a fuel includes: a line which includes a core line and an encasement space surrounding the core line, the core line being configured for conducting the fuel, the encasement space being configured for being filled with a liquid encasement space medium; and a conveyor device which is fluidically connected with the encasement space, the conveyor device being configured for conveying the liquid encasement space medium into the encasement space.
Absstract of: US2025260035A1
Fuel cell system includes: fuel cell stack including anode flow path through which fuel gas containing hydrogen flows and cathode flow path through which oxidant gas containing oxygen flows; fuel gas supply unit supplying fuel gas to anode flow path; oxidant gas supply unit supplying oxidant gas to cathode flow path; detection unit detecting oxygen partial pressure of oxidant gas flowing through cathode flow path or oxygen partial pressure representative value that is physical quantity having correlation with oxygen partial pressure; current limiting circuit limiting output current from fuel cell stack to limit value or less; and ECU controlling current limiting circuit. ECU controls current limiting circuit to limit output current when oxygen partial pressure becomes equal to or less than predetermined pressure based on oxygen partial pressure or oxygen partial pressure representative value detected by detection unit.
Nº publicación: US2025260034A1 14/08/2025
Applicant:
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
Absstract of: US2025260034A1
A fuel cell system has a fuel cell unit that includes a fuel cell stack comprising a cathode and an anode, a cathode recirculation passage configured to divert a cathode exhaust flow to a cathode inlet line when reduction in oxygen partial pressure in an air flow fed to the cathode via the cathode inlet line is required, and an inert gas generating system configured to generate an inert gas to be supplied to the cathode inlet line when further reduction in oxygen partial pressure in the air flow is required. When the fuel cell system is or is expected to be operating with a reduced power demand, a value of a power output that is requested from the fuel cell system is compared to at least one threshold power level to determine whether to divert the cathode exhaust flow and/or the inert gas to the cathode inlet line.
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