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571
results.
Updated on
16/10/2025 [06:50:00]
Results 200 to 225 of 571
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: JP2025151389A
【課題】膜電極接合体と、樹脂枠部材と、拡散層とを上下金型で一体化する際、樹脂枠部材の変形量を抑制することが可能な燃料電池の製造装置を提供すること。【解決手段】相対的に変位可能に設けられた上型６４及び下型６２を有し、少なくとも上型又は下型のいずれか一方が温度調整可能な加熱型からなり、樹脂枠部材１４が接合された膜電極接合体１２と、拡散層とを、上型６４及び下型６２によって一体的に加圧圧着する際、拡散層によって被覆されていない樹脂枠部材１４の外周部７２を保持する保持機構７０を有する。【選択図】図４
Absstract of: US2025309285A1
A manufacturing method of a fuel cell membrane electrode structure configured to attach a gas diffusion layer to an assembly part in which a catalyst coated membrane having an electrode catalyst layer provided on a surface of an electrolyte membrane is supported by a resin frame member. The manufacturing method includes the steps of: placing the assembly part on a base; applying an adhesive to the assembly part placed on the base along a bonding position between the catalyst coated membrane and the resin frame member; placing the gas diffusion layer on the assembly part to which the adhesive is applied; and pressing the gas diffusion layer placed on the assembly part along the bonding position and injecting a curing accelerator to the adhesive applied to the assembly part along the bonding position through the gas diffusion layer.
Absstract of: US2025309307A1
A regenerative fuel cell system includes a water electrolysis device, a hydrogen compression device, and a fuel cell. The regenerative fuel cell system further includes external relief valves including a first one between an oxygen supply path for supplying oxygen gas from the water electrolysis device to the fuel cell and a vacuum space, a second one between a second hydrogen supply path for supplying hydrogen gas from the hydrogen compression device to the fuel cell and a vacuum space, a third one between a hydrogen discharge path through which hydrogen gas not pressurized in the hydrogen compression device flows and a vacuum space, and a fourth one between a first hydrogen supply path through which hydrogen gas supplied from the water electrolysis device to the hydrogen compression device flows and a vacuum space.
Absstract of: WO2025205240A1
As shown in fig. 1, this carbon fiber-resin composite sheet 10 has thermoplastic resin 12 and carbon fibers 14 dispersed in the thermoplastic resin 12. In at least one surface of the carbon fiber-resin composite sheet 10, a cross section 14a of the carbon fibers 14 is exposed on the surface of the carbon fiber-resin composite sheet 10 so as to be flush with the surface of the carbon fiber-resin composite sheet 10.
Absstract of: US2025304812A1
A method for producing an electrode ink includes a deaerating step of removing a soluble gas that is more soluble in alcohol than nitrogen from each of first feedstock containing a conductive particle, second feedstock containing a polymer material, and a solvent containing water and a water-soluble organic solvent, and a kneading step of mixing the first feedstock from which the soluble gas has been removed, the second feedstock, and the solvent, wherein the kneading step is performed in an atmosphere of a low-solubility gas that is less soluble in alcohol than nitrogen.
Absstract of: JP2025150503A
【課題】溶接部を介したガスと冷却媒体との間のリークを防止することが可能な燃料電池用セパレータを提供する。【解決手段】燃料電池用セパレータは、第１反応ガスが流れる第１ガス流路に面する第１面と、冷却媒体が流れる冷却媒体流路に面する第２面と、を有する第１薄板と、第２反応ガスが流れる第２ガス流路に面する第１面と、冷却媒体流路に面する第２面と、を有する第２薄板と、を備え、第１薄板の前記第２面と第２薄板の第２面とが対向した状態で溶接されて構成される。第１薄板および第２薄板は、第１薄板の第２面と第２薄板の第２面との間に冷却媒体流路を形成するように環状の溶接線に沿って延在する溶接部を有し、溶接部の始端部および終端部は、溶接線を介した冷却媒体流路の反対側に位置する。【選択図】図６
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: 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.
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.
Absstract of: US2025316732A1
A radiator of a fuel cell system may include plurality of fans mounted on a surface of the radiator, and an exhaust inlet through which fuel cell stack exhaust of the fuel cell system passes through the radiator. A first fan of the radiator may be configured for discharge of fuel cell stack exhaust, and operation of the first fan is controllable based on at least one parameter associated with the discharge of the fuel cell stack exhaust. A second fan of the radiator may be configured for cooling, and operation of the second fan is controllable based on at least a temperature of the fuel cell system. A controller may be configured to control the operation of the first fan based on whether the at least one parameter satisfies an exhaust discharging criteria.
Absstract of: US2025316727A1
A fuel cell system, in particular for a vehicle, includes at least one fuel cell having an anode region to be fed with hydrogen-containing anode gas at an anode inlet region, a cathode region to be fed with oxygen-containing cathode gas at a cathode inlet region, an anode outlet region for releasing anode offgas, and a cathode outlet region for releasing cathode offgas, and also a buffer store for receiving anode offgas from the anode outlet region.
Absstract of: US2025316726A1
A fuel cell system includes a fuel cell stack, a drain valve connected to a side of an anode of the fuel cell stack, and a controller. The controller is configured to determine a drained water amount at the anode side of the fuel cell stack according to opening of the drain valve, and to control a hydrogen supply pressure supplied to the fuel cell stack by activating different pressure control functions in accordance with a result of comparison between the drained water amount and a predetermined required drain amount.
Absstract of: US2025316725A1
A system includes a first fan configured to dissipate excess heat generated during electrochemical reactions that occur within a fuel cell stack of a fuel cell system and to direct exhaust air of the fuel cell system. A first air shroud surrounds the first fan, and the first air shroud includes a hinged door. The hinged door is configured to divert exhaust air from the first fan to an inlet of the fuel cell stack to keep an inlet air temperature of the fuel cell stack above a predetermined temperature level.
Absstract of: US2025316723A1
A fuel cell stack includes multiple stacked unit cells. Each unit cell includes a first separator, a second separator, and a power generation portion sandwiched by the first separator and the second separator. A flow passage and a gasket are arranged between the first separator of a first unit cell and the second separator of a second unit cell. The gasket surrounds a supply manifold, the flow passage, and a discharge manifold. The gasket includes an annular body and a guide projection. The first separator of the first unit cell includes at least one first rib located adjacent to an inner peripheral side of the body. The second separator of the second unit cell includes at least one second rib located adjacent to the inner peripheral side of the body. The first rib and the second rib project so as to contact each other and extend to intersect each other.
Absstract of: US2025316722A1
A plate arrangement for an electrochemical cell, in particular a fuel cell, includes a lattice for a sandwich-like arrangement between a first plate lying in a base plane and a second plate parallel thereto, and is designed as an expanded metal. The plate arrangement a plurality of nodes and webs that connect the nodes, Rows of nodes are formed which run parallel to one another in a plan view of the lattice and define a longitudinal direction. All nodes have a planar, bent shape with a bending line that is oriented transversely to the longitudinal direction and separates two node sections from one another. At least in a subset of the nodes, one of the node sections is arranged at least approximately parallel to the plates.
Absstract of: US2025316724A1
A datum rail for a fuel cell stack system including a body extending along a longitudinal axis, including a first end, a second end opposite the first end, a channel extending between the first end and the second end, and one or more through holes extending through the body with respect to the longitudinal axis. The datum rail further including at least one rod arranged in each of the one or more through holes and extending between the first end and the second end.
Nº publicación: US2025316721A1 09/10/2025
Applicant:
HAMILTON SUNDSTRAND SPACE SYSTEMS INT INC [US]
Hamilton Sundstrand Space Systems International, Inc
Absstract of: US2025316721A1
A method of forming a fuel cell layer includes forming a separator plate including a plurality of corrugations defining a plurality of anode flow channels at a first side of the separator plate and a plurality of cathode flow channels at a second side of the separator plate opposite the first side. A support layer is formed, including a porous portion and a solid portion at least partially surrounding the porous portion. The support layer and the separator plate are stacked, and the support layer is secured to the separator plate via a field-assisted sintering or spark plasma sintering (FAST) process.
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