Alerta

SOLENOID VALVE

Absstract of: WO2025194185A1

The invention relates to a solenoid valve (1), in particular for electrically continuously adjustable shock absorbers of a vehicle, having a valve body (2) which separates a working chamber (3) from a compensating chamber (4) and has an aperture (6) which can be closed by a slide (5) and connects the working chamber (3) to the compensating chamber (4), having an energisable coil (8) that is arranged on a coil former (7), a pole tube (9) which is arranged at least in regions within the coil former (7), and a magnet armature (11) which is mounted movably in the pole tube (9) with respect to a longitudinal axis (10) of the coil (8), wherein the magnet armature (11) acts on the slide (5), with the result that the aperture (6) of the valve body (2) can be reversibly closed by means of a movement of the magnet armature (11). In order to be able to achieve a desired characteristic particularly precisely and at the same time to ensure easy production, according to the invention a pin is provided which is mounted movably in the valve body (2), which pin is acted on by the magnet armature (11), on the one hand, and by a working pressure of the working chamber (3), on the other hand, even in the closed state of the valve.

FUEL CELL SYSTEM

Absstract of: US2025300204A1

The fuel cell system may include a fuel cell, a hydrogen gas supply path for supplying hydrogen gas to an anode of the fuel cell, a pump for sending off-gas discharged from the anode of the fuel cell to the hydrogen gas supply path, a pressure sensor for measuring a pressure in the hydrogen gas supply path, and a control device. The control device may acquire the amplitude of the frequency component corresponding to the drive frequency of the pump from the time-series data of the measurement value by the pressure sensor, and determine that an abnormality has occurred in the pump when the acquired amplitude is lower than the threshold value.

Fuel Cell System and Control Method Thereof

Absstract of: US2025300203A1

The system may comprise a fuel cell stack, a hydrogen supply line configured to be coupled to an anode side of the fuel cell stack and supply hydrogen to the fuel cell stack, a hydrogen supply valve, associated with the hydrogen supply line, configured to adjust an amount of hydrogen supplied to the fuel cell stack, and a controller configured to determine, based on a pressure boost request to boost a hydrogen supply pressure, a front-end hydrogen pressure at a front end of the hydrogen supply valve, determine, based on the determined front-end hydrogen pressure, an opening command value of the hydrogen supply valve, and control, based on the determined opening command value, an opening degree of the hydrogen supply valve to boost the hydrogen supply pressure.

FUEL CELL SYSTEM

Absstract of: US2025300206A1

Fuel cell system includes: fuel cell stack configured to generate power by anode/cathode gas in anode/cathode flow path: anode/cathode supply flow path supplying anode/cathode gas to anode/cathode flow path; anode/cathode discharge flow path discharging anode/cathode off-gas from anode/cathode flow path; combining portion combining anode/cathode off-gas flowing through anode/cathode discharge flow path; discharge pipe guiding combined gas combined in combining portion to outside; anode discharge valve configured to control flow of anode off-gas toward combining portion; and control unit configured to control opening and closing of anode discharge valve. Control unit: acquires hydrogen concentration of combined gas; and controls opening and closing of anode discharge valve to repeat opening/closing operation of opening for opening time based on hydrogen concentration and closing in case where power generation amount of fuel cell stack is equal to or less than power generation threshold.

FUEL CELL SYSTEM

Absstract of: US2025300207A1

A fuel cell system includes: a fuel cell stack constituted by stacking a plurality of power generation cells; an injector configured to inject fuel gas to be supplied to the fuel cell stack; a pressure sensor configured to detect a pressure of the fuel gas to be supplied to the fuel cell stack; and a control unit configured to set an injection cycle of the injector and to control the injector to inject the fuel gas in the injection cycle. The control unit controls the injector to inject the fuel gas earlier than lapse of the injection cycle when a pressure difference between the pressure detected by the pressure sensor and a target pressure becomes equal to or larger than a predetermined value.

FUEL GAS SUPPLY SYSTEM

Absstract of: US2025300198A1

The fuel gas supply system includes a fuel tank that stores fuel gas, a fuel gas supply pipe that connects the fuel tank and a gas supply destination to which the fuel gas is supplied, an upstream strainer that is provided in the fuel gas supply pipe, and a downstream strainer that is entirely mesh-shaped and is provided in a fuel gas supply pipe that is downstream of the upstream strainer. The upstream strainer has a pocket portion having a mesh portion defined by a plurality of first openings and a wall portion having a plurality of second openings that are larger in size than the first openings. When the upstream strainer is viewed along the axial direction of the upstream strainer, the plurality of first openings and the plurality of second openings do not overlap.

膜加湿器用半透膜

Absstract of: CN119789903A

The invention relates to a semipermeable membrane (10), in particular for use in a membrane humidifier of a fuel cell system, comprising: a) a carrier layer (12) comprising a composite material comprising at least one plastic and at least one silicon-containing porous filler embedded in the plastic, and b) a cover layer (14) arranged on the carrier layer (12), the capping layer comprises at least one organosilicon compound.

電気化学セル用セパレータプレート及び燃料電池

Absstract of: CN120283316A

The invention relates to a partition plate (21) comprising, on a first side: a plurality of corrugated channels (49) for circulating a first reaction gas, the plurality of corrugated channels (49) having respective ends (50), the ends (50) each extending along a same first direction (D1) and forming corrugations having a same specific period (T1); and a plurality of inclined channels (56) each extending along a second direction (D2) intersecting the first direction (D1), an end (50) of each of the plurality of corrugated channels (49) being connected to one of the plurality of inclined channels (56) at a junction point (58); the joint points (58) define projection points (p) projecting onto a straight line (D) parallel to the first direction (D1), projecting in a third direction (D3) perpendicular to the first direction (D1), the projection points (p) being regularly spaced apart from each other along the first direction (D1) and being separated from each other by a constant gap equal to a multiple of the specific period (T1).

SEPARATOR AND METHOD FOR MANUFACTURING THE SEPARATOR

Absstract of: US2025300192A1

A separator formed of stainless steel for a fuel cell includes a coolant contact surface that is configured to come into contact with a coolant and a gas contact surface that is configured to come into contact with gas. The coolant contact surface has a conductive passive film. The gas contact surface has a corrosion-resistant metal intermediate layer on a base material, and a conductive layer on the corrosion-resistant metal intermediate layer.

Method for Forming a Polar Plate of a Fuel Cell, and Associated Forming Plant

Absstract of: US2025300191A1

The present method of forming a polar plate comprises:a stamping step:implemented by a stamping press, which includes a stamping tool mounted on a slider moved by vertical reciprocating movement; andduring which a network of channels for circulating fluids is stamped on the strip; anda downstream step subsequent to the stamping step and implemented by a downstream press;wherein:once the channel network is stamped on the strip, while the strip is held clamped in the stamping tool, a reference mark is formed on the strip by means of a marking tool carried by the slider; andduring the downstream step, the strip is positioned with respect to the downstream press by means of positioning members mounted on the downstream press and which cooperate with the reference mark.

COMPOSITE ION EXCHANGE MEMBRANES AND METHODS OF MAKING THE SAME

Absstract of: US2025084226A1

The present disclosure provides composite ion exchange membranes and methods of making the same. The composite ion exchange membranes of the present disclosure include a first layer comprising a first ion-conducting membrane; a second layer comprising a gas-blocking membrane; and a third layer comprising a second ion-conducting membrane.

HYDROGEN GENERATION SYSTEM

Absstract of: KR20250139936A

본 발명의 일 실시예에 따른 수소 발생 시스템은 NaBH₄를 활용한 수소 발생 시스템에 있어서, 내부에서 수소 발생 반응이 발생하는 반응 용기; 상기 반응 용기의 상부에 배치되고, 제 1 펌프와 연결되어 하부로 NaBH₄ 수용액을 분사시키는 노즐; 상기 노즐을 통해 분사되는 NaBH₄ 수용액에 대응되는 위치에 배치되고 상기 NaBH₄ 수용액의 수소 발생 반응속도를 촉진시키는 촉매부; 상기 반응 용기의 하부에 결합되고, 상기 수소를 제외한 생성물을 저장하는 저장 용기; 및 상기 반응 용기와 연결되고, 상기 수소를 제 2 펌프를 통해 연료 전지로 공급하는 공급부를 포함할 수 있다.

GASKET MOLDING METHOD, SEALING METHOD, GASKET, COMPOSITE BODY AND FUEL CELL

Absstract of: EP4620649A1

The present invention is a gasket molding method for molding a gasket on a workpiece, the gasket molding method including, in the stated order: an application step of applying an active energy ray curable liquid having a structural viscosity ratio of 1.5 or more and 4.0 or less into a cavity of a molding die; a bonding step of bonding the molding die coated with the active energy ray curable liquid and the workpiece to each other; a curing step of curing the applied active energy ray curable liquid by irradiation with an active energy ray; and a mold release step of pulling off the cured active energy ray curable liquid from the molding die together with the workpiece, in which the application step includes an overlapping region of application trajectories. Accordingly, there is provided a gasket molding method by which mixing of air bubbles in an overlapping region of application trajectories is suppressed.

CONTINUOUS REACTORS OF FORMATE-BICARBONATE CYCLE FOR HYDROGEN STORAGE AND RELEASE

Absstract of: AU2023380310A1

A continuous process for releasing hydrogen using the dehydrogenation reaction of the formate - bicarbonate cycle, comprising continuously feeding an aqueous solution of formate and a heterogeneous catalyst to a dehydrogenation reactor to form bicarbonate and hydrogen, directing the hydrogen for use as a fuel hydrogen, removing a flowable effluent continuously from the dehydrogenation reactor at a rate equal to the feeding rate, and directing the effluent into a product tank, discharging a material from the product tank and separating the catalyst from the material, washing and refreshing the catalyst and returning the refreshed catalyst to the dehydrogenation reactor, wherein bicarbonate is collected in a solid form from the product tank.

PREDICTIVE MAINTENANCE OF HYDROGEN-ENERGY SYSTEMS

Absstract of: EP4621890A1

The disclosure notably relates to a computer-implemented method for predictive maintenance of a system. The system comprises a hydrogen energy component, a cooling circuit, at least one actuator of the cooling circuit and at least one sensor collecting operating data during an operating of the system. The method comprises, during the operating of the system, the following three steps. The method comprises a first step of obtaining the operating data collected by to the at least one sensor. The method comprises a second step of estimating that a current state of the system is the fault state. The method comprises a third step of predicting a future state of the system. Such a method forms an improved solution for predicting maintenance of the system comprising the hydrogen energy component.

A STACK ASSEMBLY WITH A LOAD APPLYING MECHANISM

Absstract of: EP4621892A1

The present invention refers to a stack assembly (27) for a solid oxide fuel cell (SOFC) or solid oxide electrolyser (SOE)device. The assembly (27) comprises:- a housing,- at least one stack arrangement (1) mounted within said housing,the at least one stack arrangement (1) comprising:- a base plate (3),- a top plate (2),- a stack (S) mounted between said base plate (3) and said top plate (2),- at least one sealing element disposed in the at least one stack arrangement (1) to provide a fluid-tight stack assembly (27),- a load applying mechanism with a first tightening unit (5) adapted to apply a tightening load to the at least one stack arrangement (1) in stacking direction.The load applying mechanism comprises a second tightening unit (4) adapted to apply a tightening load to said manifold section of the stack (S). The first tightening unit (5) and the second tightening unit (4) are independent of each other.

REVERSE ELECTRODIALYSIS OR PRESSURE-RETARDED OSMOSIS CELL AND METHODS OF USE THEREOF

Absstract of: MX2025005543A

A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes separating, by a selectively permeable membrane, a first saline solution from a second saline solution, receiving, by the first saline solution and/ or the second saline solution, thermal energy from a heat source, and mixing the first saline solution and the second saline solution in a controlled manner, capturing at least some salinity-gradient energy as electrical power as the salinity difference between the first saline solution and the second saline solution decreases. The method further includes transferring, by a heat pump, thermal energy from the first saline solution to the second saline solution, causing the salinity difference between the first saline solution and the second saline solution to increase. The method may include a process of membrane distillation, electrodialysis, and/or salt decomposition for further energy efficiency and power generation.

GAS DIFFUSION ELECTRODE, MEMBRANE-ELECTRODE ASSEMBLY AND ELECTROLYTIC DEVICE

Absstract of: WO2024105239A2

The invention relates to a gas diffusion electrode (4, 5) for a membrane-electrode assembly (1) for use in a fuel cell or in an electrolytic device, comprising a composite of a plurality of layered expanded metal layers (6, 7, 8), wherein: an outer expanded metal layer (6) located at one end of the composite rests, via its surface remote from the composite, against the membrane (2) of the membrane-electrode assembly (1); the surface of this outer expanded metal layer (6) that is remote from the composite is provided with an electrically conductive coating; the coating is made of iridium and/or an iridium-containing compound; exclusively the surface of this outer expanded metal layer (6) that is remote from the composite is coated with iridium and/or an iridium-containing compound; and a surface, which is remote from the composite, of a second outer expanded metal layer (8) located at the other end of the composite is coated with platinum and/or a platinum-containing compound.

RECYCLING OF CATALYST COATED MEMBRANE COMPONENTS

Absstract of: CN119948093A

A method of recovering a fluorinated polymer from a membrane comprising the fluorinated polymer, the fluorinated polymer comprising a fluorinated polymer backbone and a plurality of groups represented by the formula-SO3Z wherein Z is hydrogen, the method comprising: contacting the membrane with an agent providing a source of cations to form a fluorinated polymer salt wherein Z is a cation, wherein the agent is maintained at a temperature sufficiently low such that the membrane remains in a solid, undispersed form; removing excess unreacted reagent from the solid fluorinated polymer salt; and after removing the excess reagent, dispersing the solid fluorinated polymer salt in a solvent.

CELL FRAME FOR PRESSURIZED ELECTROLYSER CELL STACK AND ELECTROLYSER CELL STACK COMPRISING A NUMBER OF SUCH CELL FRAMES

Absstract of: AU2023381476A1

A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.

SOLID ELECTROCHEMICAL CELL STACK

Absstract of: CN120226171A

The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.

A HYDROGEN REMOVAL ARRANGEMENT FOR A FUEL CELL SYSTEM

Absstract of: WO2024104596A1

The disclosure relates to a hydrogen removal arrangement (1) for a hydrogen powered system (100), wherein the hydrogen powered system (100) comprises a hydrogen powered system compartment (110) comprising one or more hydrogen consumers (112) and a hydrogen tank compartment (120) for storing one or more hydrogen tanks (122, 124), the hydrogen removal arrangement (1) comprising: - a duct member (10), - a first motorized fan (20) associated with the duct member (10) for extracting ventilation air (A) through the duct member (10), - a hydrogen oxidation catalyst (30) provided in the duct member (10) for oxidizing hydrogen, - a first temperature sensor (40) for measuring a first temperature of the hydrogen oxidation catalyst (30) during use, and - a control unit (50) for controlling a speed of the first motorized fan (20). The disclosure also relates to a method, a hydrogen powered system (100) and a vehicle (200).

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE-ACCOMMODATING DEVICE

Absstract of: EP4621891A1

An electrochemical cell includes a metal plate and an element portion. The metal plate includes a first surface, and a second surface positioned opposite to the first surface. The element portion is positioned on the first surface, and includes a first electrode layer, a solid electrolyte layer, and a second electrode layer. The metal plate includes:a first portion that allows gas to flow between the first surface and the second surface; anda second portion positioned around the first portion. The solid electrolyte layer is positioned to overlap the first portion in plan view.

FUEL CELL SEPARATOR AND METHOD FOR PRODUCING FUEL CELL SEPARATOR

Absstract of: EP4621889A1

A fuel cell separator including a passivation metal layer and a conductive carbon film stacked on a surface of an aluminum metal base material, in which the fuel cell separator includes an alloy layer including an aluminum metal of the aluminum metal base material and a passivation metal of the passivation metal layer at a bonding interface between the aluminum metal base material and the passivation metal layer.

BATERIAS DE FLUJO REDOX CON DISTRIBUIDORES DE ELECTROLITOS CON CANALES INTEGRADOS Y METODO DE FABRICACION DE LA MISMA

Nº publicación: ES3036837A1 24/09/2025

Applicant:

CONSEJO SUPERIOR DE INVESTIG CIENTIFICAS CSIC [ES]
FUNDACION AGENCIA ARAGONESA PARA LA INVESTIG Y EL DESARROLLO ARAID [ES]
Consejo Superior de Investigaciones Cient\u00EDficas (CSIC),
Fundaci\u00F3n Agencia Aragonesa para la Investigaci\u00F3n y el Desarrollo (ARAID)