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601
results.
Updated on
15/10/2025 [06:55:00]
Results 175 to 200 of 601
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: EP4629353A1
The present disclosure relates to a fuel cell system (100) capable of defreezing a dedicated component (120) by guiding a coolant via a coolant branch line (125, 126) from a fuel cell stack 110 to the dedicated component (120). Further disclosed is a vehicle comprising such fuel cell system.
Absstract of: WO2024115945A1
A coolant expansion tank for a vehicle cooling system includes a cooling fluid port for receiving cooling fluid for at least one coolant chamber on a coolant side of the coolant expansion tank. The tank further includes a transfer channel between the at least one coolant chamber and a pressured air side of the coolant expansion tank. The tank further includes the pressurized air side separated from the coolant side by a wall having the transfer channel, the pressurized air side providing pressurized air to the one or more coolant chambers via the transfer channel. The tank further includes a gas separation inlet on the coolant side for receiving gas separated from cooling fluid by a separator, the gas contributing to air pressure on the cooling fluid in the coolant side, wherein the excess pressure is released from the pressurized air side to a feed air transfer pipe.
Absstract of: EP4628350A1
The present disclosure relates to a system (10) for a vehicle (1), the system comprising a hydrogen fuel storage system (20) for storing hydrogen fuel (22); a recirculation hydrogen fuel system (30) for transporting hydrogen fuel, the recirculation hydrogen fuel system having a fuel inlet (32) configured to be in fluid communication with the hydrogen fuel storage system and further a fuel return line (34) 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 (40), the system further comprising an electrically powered compressor (50) 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: EP4628525A1
L'invention concerne une composition de caoutchouc à base d'au moins un copolymère EPM ou un terpolymère EPDM, et un article en caoutchouc l'incorporant, tel qu'un joint d'étanchéité ou un tuyau (10) e.g. pour un circuit d'air, d'eau ou de refroidissement équipant une pile à combustible.La composition comprend :- une charge comprenant un noir de carbone et une charge inorganique lamellaire,- un système d'aide à la mise en œuvre,- un système plastifiant, et- un système de réticulation comprenant un peroxyde,dans laquelle la composition comprend, en fractions massiques :28-32 % du noir de carbone, lequel est choisi parmiles noirs de série ASTM N600 ou N700, etceux présentant une surface spécifique de 15-25 m<2>/g, un indice d'adsorption d'iode de 16-24 mg/g et un indice d'absorption de DBP de 90-110 mL/100 g,10-20 % de la charge inorganique lamellaire,1,0-6,0 % du système d'aide à la mise en œuvre, lequel comprend un agent de recouvrement du noir de carbone, et10-22 % du système plastifiant.
Absstract of: GB2640063A
Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.
Absstract of: EP4629397A2
The present disclosure relates to organic electrolyte solutions including organic electrolytes (e.g., aromatic imides, ferrocenes, spiro fused compounds, or cyclopropenium compounds), and redox flow batteries and systems including the same.
Absstract of: EP4629476A1
A hybrid fuel cell system (100) is disclosed. The hybrid fuel cell (100) comprises a fuel cell (102) adapted to supply power to a load (106). The hybrid fuel cell (100) further comprises an Electrical Air Compressor, EAC, unit (114) operatively coupled with the fuel cell (102). Also, the hybrid fuel cell (100) comprises an auxiliary power source (112) connected to the EAC unit (114) via a Direct Current to Alternating Current, DC-AC, converter (108). Furthermore, the hybrid fuel cell (100) comprises a converter circuit (110) configured to perform at least one of enable the auxiliary power source (112) to supplement the fuel cell (102) to provide collective power supply to a load (106) during the initialization phase of the fuel cell (102), enable the fuel cell (102) to provide either the input power supply or a supplement power supply to the EAC unit (114) during an operational phase of the fuel cell (102), or enable the fuel cell (102) to charge the auxiliary power source (112).
Absstract of: EP4629356A1
Ein Brennstoffzellensystem, insbesondere für ein Fahrzeug, umfasst wenigstens eine Brennstoffzelle (12) mit einem an einem Anoden-Einlassbereich (20) mit Wasserstoff enthaltendem Anodengas zu speisenden Anodenbereich (14), einem an einem Kathoden-Einlassbereich (24) mit Sauerstoff enthaltendem Kathodengas zu speisenden Kathodenbereich (16), einem Anoden-Auslassbereich (32) zur Abgabe von Anodenabgas und einem Kathoden-Auslassbereich (38) zur Abgabe von Kathodenabgas, sowie einen Pufferspeicher (48) zur Aufnahme von Anodenabgas von dem Anoden-Auslassbereich (32).
Absstract of: EP4629352A1
A system and method of recreating ground conditions for a fuel cell system for use in a vehicle includes providing a fuel cell system, a compressor, a heat exchanger, a first turbine, a second turbine, and an electric motor drivingly connected to the compressor, the first turbine, and the second turbine along a common shaft. The method requires receiving air at an ambient pressure and temperature, compressing the air via the compressor, and discharging the compressed air into the fuel cell via the heat exchanger. The fuel cell generates an exhaust flow which is then expanded and cooled in the first turbine, heated via the heat exchanger, and then expanded and cooled in the second turbine and expelled at a pressure substantially equal to the ambient pressure.
Absstract of: EP4629354A1
The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, the cartridge being provided in a fuel cell humidifier which uses a second gas to humidify a first gas which is to be supplied to a fuel cell stack, and the cartridge comprising: an inner case provided with respective openings in both ends thereof; and a hollow fiber membrane bundle received inside the inner case, wherein the hollow fiber membrane bundle comprises a plurality of hollow fiber membranes so as to satisfy at least one among a flow velocity condition for enabling a first gas to flow at a flow velocity of 1 m/s to 10 m/s, and a turbulence condition for enabling the first gas to flow at a Reynolds number of 50 to 400.
Absstract of: WO2024118783A1
An electrochemical cell (e.g., rechargeable solid state battery) includes a cathode, an anode, and a solid state electrolyte disposed between the cathode and the anode. The anode includes an anode material having a plurality of voids. In some embodiments, the cathode includes lithium, and the anode is formulated to cause lithium metal to be deposited in the plurality of voids during charging of the electrochemical cell. In some embodiments, the anode includes a constriction-susceptible surface that controls the interplay between lithiation and lithium plating. The electrochemical cells disclosed herein are advantageous as they provide improved battery cycling performance combined with excellent power and energy density.
Absstract of: EP4629351A1
An embodiment of the present disclosure provides a membrane electrode assembly including a first electrode portion, a second electrode portion, and an electrolyte membrane, wherein each electrode portion includes a catalyst layer and a gas diffusion layer, the catalyst layer includes platinum and a carbon support, and a platinum loading amount of the electrode portions is 1.5 to 5 mg/cm<sup>2</sup>.
Absstract of: EP4628208A1
Provided are a carbon catalyst that exhibits high catalytic activity, an electrode, and a battery. The carbon catalyst has a ratio L/La of an average carbon network plane size L, which is obtained by temperature programmed desorption analysis capable of heating to 1,600°C, to a crystallite size La, which is obtained from a diffraction peak in a vicinity of a diffraction angle (2θ) of 43° in an X-ray diffraction pattern obtained by powder X-ray diffraction using a CuKα ray, of 15 or more, and a BET specific surface area of 100 m<2>/g or more.
Absstract of: EP4628207A1
Provided are a carbon catalyst that exhibits high catalytic activity while effectively avoiding problems caused by iron, an electrode, and a battery. The carbon catalyst has a ratio L/La of an average carbon network plane size L, which is obtained by temperature programmed desorption analysis capable of heating to 1,600°C, to a crystallite size La, which is obtained from a diffraction peak in a vicinity of a diffraction angle (2θ) of 43° in an X-ray diffraction pattern obtained by powder X-ray diffraction using a CuKα ray, of 12 or more, and the carbon catalyst has an iron content of 3,000 ppm or less.
Absstract of: EP4629358A1
A fuel cell apparatus control method includes at least two of the steps of: reducing an output of a fuel cell apparatus that generates power using hydrogen from a hydrogen reservoir device upon a decrease in an amount of hydrogen in the hydrogen reservoir device; reducing the output of the fuel cell apparatus upon an increase in a temperature of a heating medium that collects exhaust heat from the fuel cell apparatus; and reducing the output of the fuel cell apparatus upon an increase in an air temperature inside or outside a housing of the fuel cell apparatus. In this control method, when the at least two of the steps are all executed, the output of the fuel cell apparatus is reduced by a largest one of amounts of output reduction of the fuel cell apparatus executed by the respective steps.
Absstract of: EP4629357A1
A life prediction method according to the present disclosure is a life prediction method for a field cell apparatus including power generation units each including a fuel cell. The life prediction method includes predicting a time when each of the power generation units of the fuel cell apparatus reaches an end of life, from a cumulative power generation time of the power generation unit of the fuel cell apparatus at which the power generation unit is determined to reach the end of life, and from a ratio of a number of the power generation units that generate power out of a total number of the power generation units of the fuel cell apparatus in a predetermined period.
Absstract of: JP2025149076A
【課題】コンプレッサのエアベアリングを掃気するＦＣシステムを提供する。【解決手段】ＦＣシステムは、コンプレッサ、空気供給路、空気排出路、バイパス路、エアベア路、コントローラを備える。コンプレッサは、エアベアリングを備えており、ＦＣスタックに空気を送る。空気排出路は、ＦＣスタックの空気出口とマフラをつないでいる。ＦＣスタックの空気入口と空気出口の夫々に空気入口弁と空気出口弁が備えられている。バイパス路は、空気供給路と空気排出路を接続しており、途中に分流弁が備えられている。エアベア路は、コンプレッサ内の空気をエアベアリングを通過させて空気排出路に送る。コントローラは、ＦＣスタックを停止する際に外気温度が温度閾値を上回っている場合は分流弁を開度閾値よりも大きく開きつつコンプレッサを作動させ、温度閾値を下回っている場合は分流弁を開度閾値よりも小さく開きつつコンプレッサを作動させる。【選択図】図３
Absstract of: JP2025149543A
【課題】不要なスペースが生じることを抑制するとともに設置場所での作業効率を向上させることができる架台ユニット等を提供する。【解決手段】設置場所に設置される架台ユニット３であって、燃料電池ユニット１０を含む１つ又は複数の設備２０が取り付けられる躯体１００と、燃料電池ユニット１０に接続され、躯体１００に固定された少なくとも１つの配管２００と、を備え、躯体１００は、１つ又は複数の設備２０が設置される面を有し、１つ以上の梁で構成された第一の支持体１１０と、第一の支持体１１０を支持する支柱１４０と、架台ユニット３が設置場所に設置される面を有し、１つ以上の梁で構成され且つ支柱１４０を支持する第二の支持体１２０とを有し、架台ユニット３を側面視したときに、配管２００は、第一の支持体１１０と第二の支持体１２０との間に位置している。【選択図】図２
Nº publicación: JP2025149119A 08/10/2025
Applicant:
ヤンマーホールディングス株式会社
Absstract of: US2025309299A1
A fuel cell system includes: a housing having a module installation compartment in which a fuel cell module is installed; and a double wall portion with an inner wall and an outer wall. The housing has the outer wall. The module installation compartment has the inner wall. The inner wall has a pressure release part. When a pressure in the module installation compartment reaches a predetermined pressure lower than a pressure capacity of the outer wall, the pressure release part releases the pressure.
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