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601
results.
Updated on
15/10/2025 [06:55:00]
Results 150 to 175 of 601
Absstract of: US2025309316A1
A fuel cell stack including a cell stacked body, a case surrounding the cell stacked body, a closing part disposed adjacent to the cell stacked body and attached to the case to close an opening in an end surface of the case, and partition members to divide a space inside the case and outside the cell stacked body into subspaces including a first and second spaces. A first air port of one of an air inlet and air outlet is provided in the closing part, a second air port of another the air inlet and air outlet is provided in the case to communicate with either the first space or the second space, and the closing part includes a passage forming portion configured to form a communication flow path connecting the first air port, the first space and the second space.
Absstract of: US2025309317A1
A fuel cell system including a power generation module having a substantially rectangular parallelepiped shape, the power generation module including a fuel cell stack generating power by supplying fuel gas to an anode and oxidant gas to a cathode, and a module case that insulates and houses the fuel cell stack, the module case having a fuel gas inlet leading to an inlet of the anode, a fuel off-gas outlet leading to an outlet of the anode, and an oxidant gas inlet leading to an inlet of the cathode; a fuel supply including a fuel supply line connected to the fuel gas inlet of the power generation module and a fuel blower provided in the fuel supply line; and an oxidant supply, wherein the fuel gas inlet and the fuel off-gas outlet are on a same surface of the power generation module, and the fuel supply faces the same surface.
Absstract of: JP2025150284A
【課題】拡散層の接合後、表裏の拡散層に挟まれて視認できない製品部の寸法を間接的に評価することが可能な燃料電池の検査方法を提供すること。【解決手段】樹脂枠部材１４に対して検査マーク６０をマーキングし、検査マークの初期位置を記憶する工程と、膜電極接合体に対して樹脂枠部材を接合する樹脂枠部材接合工程と、樹脂枠部材接合工程後に拡散層を接合する拡散層接合工程と、樹脂枠部材に対してマーキングされた検査マーク６０の初期位置と、膜電極接合体、樹脂枠部材、及び、拡散層が一体的に接合された後の検査マーク６０ａの接合後位置とを比較して樹脂枠部材の変形量を判定する良否判定工程とを有する。【選択図】図３Ｃ
Absstract of: US2025309303A1
A manufacturing device of a laminated structure body has: a pair of crimping members disposed to face with each other; a cushion material having flexibility and conductivity on a portion of at least one crimping member of the pair of crimping members facing the other crimping member; a crimping device to hold, press, and crimp a plurality of laminated sheet-shaped members between the one crimping member and the other crimping member so as to constitute a laminated structure body; and, a short-circuit inspection circuit that detects presence or absence of a short-circuit spot in the laminated structure body during a process where the crimping device crimps the plurality of sheet-shaped members in one piece to constitute the laminated structure body.
Absstract of: US2025243053A1
The present disclosure provides systems and methods for processing ammonia (NH3). A heater may heat reformers and NH3 reforming catalysts therein. NH3 may be directed to the reformers from storage tanks, and the NH3 may be decomposed to generate a reformate stream comprising hydrogen (H2) and nitrogen (N2). At least part of the reformate stream may be used to heat the reformers.
Absstract of: 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.
Absstract of: US2025314354A1
The gas supply device disclosed in the present specification includes a cover that shuts off the periphery of the main stop valve and the connector of the gas cartridge from the outside air, and a removal device that removes impurities from the inner space of the cover in a state where the connector and the main stop valve are not connected. The controller of the gas supply device connects the main stop valve and the connector when impurities are removed from the inner space by the removal device, and opens the main stop valve. The gas supply device disclosed herein shuts off the periphery of the main stop valve and the connector from the outside air and removes impurities from the periphery of the main stop valve. Therefore, contamination of the gas supply device with impurities can be suppressed.
Absstract of: US2025313964A1
Proposed is a system for producing blue hydrogen, capturing carbon dioxide and sulfur oxide, recycling carbon and storing reactants, generating power by using a fuel cell, and creating an artificial forest. The system includes a natural gas storage that stores liquefied natural gas including shale gas, a hydrocarbon reformer that produces a gaseous mixture containing hydrogen and carbon dioxide, a hydrogen charging station configured to receive and store the hydrogen, to capture carbon dioxide, to collect a reactant, and to separate a carbon dioxide reactant and a waste solution from the reactant, a carbon resource storage that stores the carbon dioxide reactant, a hydrogen generator that generates hydrogen and transfers the generated hydrogen to the hydrogen charging station, a fuel cell that receives the hydrogen and generates electricity, and an artificial forest creation apparatus that captures carbon dioxide in the atmosphere and transfers the captured carbon dioxide to the reactor.
Absstract of: WO2025211527A1
Disclosed are a radical scavenger for improving durability, a membrane-electrode assembly, a fuel cell, and methods for manufacturing the foregoing. According to one aspect, provided is a radical scavenger comprising radical-scavenging particles and a protective layer formed on the surfaces of the radical-scavenging particles, wherein a ratio of the standard deviation of thickness to the average thickness of the protective layer is 5 % or less.
Absstract of: WO2025211071A1
Provided is a membrane electrode assembly for a fuel cell, the membrane electrode assembly being capable of maintaining high gas diffusibility without allowing generated water to accumulate. The membrane electrode assembly for a fuel cell comprises: a catalyst layer having a first main surface and a second main surface; a gas diffusion layer disposed on the first main surface side; and an electrolyte membrane disposed on the second main surface side. The gas diffusion layer contains an electroconductive material and a polymer resin. The electroconductive material contains a fibrous carbon material. The strength S1 required to peel the interface between the catalyst layer and the gas diffusion layer is 31.2-1000 N·cm-2.
Absstract of: WO2025211001A1
A fuel battery block (200) comprises: a first plate member 21; a second plate member 22; a frame member 23; a plurality of first fuel battery cells 100a; and a plurality of second fuel battery cells 100b. In the first fuel battery cell 100a, a first lead-out part 14a is positioned on the first plate member 21 side, and a second lead-out part 12a is positioned on the second plate member 22 side. In the second fuel battery cell 100b, the second lead-out part 12a is positioned on the first plate member 21 side, and the first lead-out part 14a is positioned on the second plate member 22 side.
Absstract of: US2025313688A1
The invention relates to a rubber composition based on at least one EPM copolymer or one EPDM terpolymer, and a rubber article incorporating it, such as a seal or a pipe (10) e.g. for an air, water, or cooling circuit equipping a fuel cell.The composition comprises:a filler comprising a carbon black and a lamellar inorganic filler,a processing aid system,a plasticizing system, anda crosslinking system comprising a peroxide,wherein the composition comprises, in mass percents:28-32% of carbon black, which is chosen from theASTM N600 or N700 series of blacks, andthose having a specific surface area of 15-25 m2/g, an iodine adsorption index of 16-24 mg/g, and a DBP absorption index of 90-110 mL/100 g,10-20% of the lamellar inorganic filler,1.0-6.0% of the processing aid system, which comprises a carbon black covering agent, and10-22% of the plasticizing system.
Absstract of: US2025313101A1
The present invention is a self-charging battery-powered electric vehicle (EV) that integrates a dual traction battery system and a hydrogen fuel cell to enhance driving range and efficiency. The EV features a first traction battery pack and a second traction battery pack, wherein a power controller automatically switches between battery packs and enables the hydrogen fuel cell to recharge the inactive pack while driving. A hydrogen fuel cell system, coupled with swappable (i.e., selectively removable) and fixed hydrogen tanks, generates electricity for battery charging and direct propulsion. Additionally, a hydrogen tank swapping station provides secure and automated hydrogen refueling. The system optimizes energy distribution based on driving patterns, terrain, and climate conditions.
Absstract of: US2025313100A1
A system for a vehicle, the system comprising a hydrogen fuel storage system for storing hydrogen fuel; a recirculation hydrogen fuel system for transporting hydrogen fuel, the recirculation hydrogen fuel system having a fuel inlet configured to be in fluid communication with the hydrogen fuel storage system and further a fuel return line to the hydrogen fuel storage system, wherein the recirculation hydrogen fuel system is configured to be in fluid communication with a hydrogen fuel-consuming power source, the system further comprising an electrically powered compressor disposed in the recirculation hydrogen fuel system; and wherein the electrically powered compressor is controllable to pressurize hydrogen fuel in the recirculation hydrogen fuel system in response to a determined need for dissipating energy.
Absstract of: US2025313668A1
This disclosure provides ionomers comprising a polymeric backbone that includes highly acidic bis(sulfonyl)imide groups and methods of making these ionomers and membranes formed from these ionomers and devices comprising these ionomer membranes.
Absstract of: US2025312717A1
The present disclosure relates to a gas-liquid separator including a housing member having an inlet port through which air is introduced, and a discharge port through which the air is discharged. A vortex generation member is provided in the housing member and is configured to generate a vortex in the air introduced into the housing member so that droplets contained in the air come into contact with an inner surface of the housing member. A variable pressure flow path is provided in the housing member as well, and is configured to guide the flow of air, from which the droplets are separated, to the discharge port and change pressure of the air from an inlet toward an outlet thereof, thereby obtaining an advantageous effect of ensuring efficiency in capturing droplets and minimizing an increase in differential pressure.
Absstract of: US2025313968A1
An object of the present invention is to provide an electrode assembly in which an electrolyte membrane is kept from being deteriorated with durability improved. The present invention provides a membrane electrode assembly including an anode electrode on one surface of an electrolyte membrane and a cathode electrode on the other surface thereof, characterized in that the anode electrode includes a porous substrate (A), the cathode electrode includes a porous substrate (B), and the porous substrate (A) and the porous substrate (B) has a total thickness more than 1,000 μm.
Absstract of: US2025315579A1
The present disclosure relates to a field of a fuel cell test, and in particular, to a method and an apparatus for optimizing design based on performance evaluation of a gas diffusion layer of a fuel cell. The method includes: determining an overall porosity of the gas diffusion layer of the fuel cell according to production requirements, and obtaining a plurality of porosity structures with the overall porosity; obtaining performance evaluation indexes of the gas diffusion layer of the fuel cell, and constructing a performance evaluation system for the gas diffusion layer of the fuel cell; calculating, with reference to evaluation functions and index weight ratios, performance comprehensive scores of the plurality of porosity structures in the performance evaluation system of the gas diffusion layer of the fuel cell; determining an optimal design scheme in the plurality of porosity structures according to the performance comprehensive scores.
Absstract of: US2025316737A1
A fuel cell management system is disclosed herein. The fuel cell management system comprises: a first arrangement of fuel cells configured to provide a first voltage and a first current, where the first arrangement includes at least two fuel cells connected in series; a second arrangement of fuel cells configured to provide a second voltage and a second current, where the second arrangement includes at least two fuel cells connected in parallel; a plurality of switches coupled to fuel cells of the first arrangement and the second arrangement; and a control circuit configured to activate different switches of the plurality of switches to connect an output node of the fuel cell management system to one of a plurality of arrangements of fuel cells, where the plurality of arrangements of fuel cells includes the first arrangement and the second arrangement.
Absstract of: US2025316733A1
The invention relates to a method for starting a compressor assembly of a fuel cell system, the compressor assembly comprising an electrically operable first compressor and a downstream second compressor, which is coupled, by means of a rotor, to a turbine disposed in a cathode path of the fuel cell system, and the method comprising the steps of starting the first compressor and accelerating the first compressor to a first rotational speed at least corresponding to an idling rotational speed of the first compressor, selecting a first rotational speed gradient from a first and a second rotational speed gradient value, wherein the first rotational speed gradient value exceeds the second rotational speed gradient value, accelerating the first compressor from the first rotational speed to a second rotational speed with the first rotational speed gradient, examining, during the acceleration to the second rotational speed, whether the rotor rotates freely or whether the rotor is blocked, accelerating the first compressor to a maximum starting rotational speed by means of a second rotational speed gradient if the rotor rotates freely, or maintaining the second rotational speed, examining the rotation again and accelerating the first compressor to the maximum starting rotational speed if the rotor rotates freely, wherein the first rotational speed gradient value is selected from environmental and operating parameters of the fuel cell system if it is more probable that a rotor of the
Absstract of: US2025316736A1
A method for preparing a new polyelectrolyte multilayer coated proton-exchange membrane has been developed for electrolysis and fuel cell applications. The method comprises: applying a polyelectrolyte multilayer coating to a surface of a cation exchange membrane, the polyelectrolyte multilayer coating comprising alternating layers of a polycation polymer and a polyanion polymer to form the polyelectrolyte multilayer coated proton-exchange membrane and optionally treating the polyelectrolyte multilayer coated proton-exchange membrane in an acidic solution. The polycation polymer layer is in contact with the cation exchange membrane.
Absstract of: US2025316730A1
A fuel cell includes a heat exchanger loop configured to circulate a heat exchanger fluid from the compressed cathode air feed to the fuel cell to pre-heat the fuel cell during fuel cell start up. Also disclosed is a fuel cell including a humidifier mated to inlet and outlet ports of the fuel cell stack. Also disclosed is a fuel cell system having audio, image, or strain sensors external to the fuel cell surface, configured for detecting a change in the external surface of the fuel cell indicative of a fault condition.
Absstract of: US2025316729A1
A fuel cell system capable of defreezing a dedicated component by guiding a coolant via a coolant branch line from a fuel cell stack to the dedicated component which may be a water separator, an exhaust water pipe, a valve, a water tank, or a combination thereof. Also a vehicle comprising such fuel cell system.
Absstract of: US2025316734A1
A fuel cell system is introduced. The fuel cell system may comprise a fuel cell stack, and a controller configured to determine a dew point of gas flowing in the fuel cell stack, determine, based on the determined dew point and an operating temperature of the fuel cell stack, a change rate of an amount of hydrogen crossover, and control, based on a target operating temperature, the operating temperature of the fuel cell stack, wherein the target operating temperature is changed based on the determined change rate.
Nº publicación: US2025316728A1 09/10/2025
Applicant:
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
Absstract of: US2025316728A1
A duct assembly includes a metallic flange having a first side, a second side opposite the first side, and a projection extending from the second side. An inner surface of the metallic flange extends between the first side and an end of the projection distal from the second side of the metallic flange to define a flange passageway. The first side of the metallic flange is configured to join to a metallic mounting surface of a vehicular component when the duct assembly is mounted at the vehicular component. The duct assembly also includes a plastic duct received at the projection of the metallic flange and having a duct passageway in fluid communication with the flange passageway. The duct passageway is configured to fluidly communicate with the vehicular component via the flange passageway when the duct assembly is mounted at the vehicular component.
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