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540
resultados
Última actualización
12/10/2025 [06:48:00]
Resultados 100 a 125 de 540
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: CN120266297A
The invention relates to a redox flow battery having at least one cell, the cell being composed of two half cells, each half cell having at least one half cell interior for accommodating an electrolyte, each cell being provided with at least one electrode and at least one membrane, and the half cells being arranged in a stacked manner, the half cells are each provided with at least one electrolyte inlet and/or at least one electrolyte outlet, and wherein the electrolyte inlet is connected to the electrolyte reservoir via at least one inlet line and the electrolyte outlet is connected to the electrolyte reservoir via at least one outlet line. The at least one lead-in line is divided into a lead-in sub-line, the at least one lead-out line is divided into a lead-out sub-line, the at least one lead-in sub-line and/or the at least one lead-out sub-line are/is assigned to the at least two half cells, and the lead-in sub-line and the lead-out sub-line are arranged outside the stacking surface of the half cells.
Resumen de: CN120092333A
A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.
Resumen de: 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).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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>.
Resumen de: 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.
Resumen de: WO2024115576A1
An abiotic biofuel cell comprising an anodic compartment comprising an anodic chamber, wherein said anodic chamber contains a first electrolytic solution, comprising an alkaline solution and a biofuel dispersed in said alkaline solution, and an anodic-chamber electrode in contact with the first electrolytic solution; a cathodic compartment comprising a cathodic chamber, wherein said cathodic chamber contains a second electrolytic solution, comprising an electron acceptor, and a cathodic-chamber electrode in contact with said second electrolytic solution; and ion-selective means adapted to separate the anodic chamber and the cathodic chamber and to be in fluid communication therewith; a plant comprising this abiotic biofuel cell and an operating process thereof.
Resumen de: WO2024115236A1
The invention relates to a method and a device for ascertaining the conditions underlying a degradation of galvanic cell assemblies, in particular fuel cell assemblies (10), of a stationary or preferably mobile system using electrochemical impedance spectroscopy, wherein an electric input signal with a frequency which changes within an overall frequency range, in particular a frequency range between 10 mHz and 100 kHz, 200 kHz, or 300 kHz, is applied to the galvanic cell assembly, in particular the fuel cell assembly, and an electric output signal which is produced on the output side of the cell assembly in response thereto is measured with respect to amplitude and frequency and is analyzed using a comparison with previously captured reference values. Improved application possibilities for the method and the device are achieved on the basis of the electrochemical impedance spectroscopy in that the electric output signal is measured only in mutually spaced frequency bands (22) about specific frequency points (21) within the overall frequency range on which the measurement is based, and the analysis is based on the output signal.
Resumen de: WO2024115506A1
The present invention relates to a solid oxide cell (SOC) stack made of single repeating units (SRU), each of which comprising: - a ceramic cell with a corrugated membrane and a sealing frame with gas distribution holes and channels, and - a flat metallic interconnect.
Resumen de: MX2025005376A
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
Resumen de: 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.
Resumen de: 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.
Resumen de: MX2025005376A
The present invention relates to compositions with low electrical conductivity which comprise a hydroxylamine-containing molecule in combination with a yellow metal corrosion inhibitor such as a triazole, wherein the weight ratio of the yellow metal corrosion inhibitor to the hydroxylamine- containing molecule is from 1 :20 to 20:1; and wherein the composition has an electrical conductivity at 25 °C of less than 200 Î1⁄4S/cm. These compositions can effectively provide ferrous metal corrosion inhibition in heat-transfer fluids at low electrical conductivity and maintain a low electrical conductivity which does not alter substantially with aging. They are thus particularly useful as heat-transfer fluids, for example in fuel cells or battery electric vehicles. The invention further relates to methods for the preparation of said compositions, and to uses employing said compositions.
Resumen de: WO2024115222A1
The invention relates to a test system (10a; 10b; 10c) for characterising solid oxide cells, preferably at temperatures between 500°C and 850°C, comprising at least one gas control unit (12a; 12b; 12c) for forming a homogeneous fuel gas mixture for the solid oxide cells, at least one fuel gas mixture line (16a; 16b), at least one hydrogen gas line (18a; 18b), and in particular at least one oxygen gas line (20a; 20b), wherein the at least one gas control unit (12a; 12b; 12c) has at least three stack layers (22a; 22b; 22c), at least one hydration unit (24a; 24b) which is directly gas-conductingly connected to the at least one hydrogen gas line (18a; 18b) and/or to the at least one oxygen gas line (20a; 20b) for the humidification of the homogeneous gas mixture and which is arranged in a hydration layer (26a; 26b) of the at least three stack layers (22a; 22b; 22c), at least one mixing chamber (28a; 28b) that is directly gas-conductingly connected to the fuel gas mixture line (16a; 16b) and the hydration unit (24a; 24b), which is designed to form the homogenous gas mixture and which is arranged in a mixing layer (30a; 30b) of the at least three stack layers (22a; 22b; 22c), and at least one test station (32a, 36a, 38a, 38a'; 32b, 36b, 38b, 38b'; 32c, 36c, 38c) for a solid oxide cell, which is arranged in a test layer (34a; 34b; 34c) of the at least three stack layers (22a; 22b; 22c). According to the invention, the gas control unit (12a; 12b; 12c) has at least one other test st
Resumen de: CN120303797A
The present invention relates to a gas diffusion layer for a fuel cell, comprising a microporous layer with a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders, a gas diffusion layer obtainable using the method, and a method for producing a gas diffusion layer for a fuel cell, the gas diffusion layer comprising a microporous layer comprising a microporous layer having a polymeric binder which is free of fluorine or has a lower proportion of fluorine-containing polymer compared to conventional binders. And a fuel cell comprising such a gas diffusion layer.
Resumen de: 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.
Resumen de: 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.
Nº publicación: EP4629355A1 08/10/2025
Solicitante:
VOLVO CONSTR EQUIP AB [SE]
Volvo Construction Equipment AB
Resumen de: EP4629355A1
A fuel cell system (1) comprising- a cell exhaust (10e) for an exhaust mixture comprising water fluid (15) generated in a fuel cell (10) of the fuel cell system (1),- a cooling assembly (20) for cooling the fuel cell (10) using ambient air (25), and- a system exhaust (1e),wherein the fuel cell system (1) is configured to mix the exhaust mixture of the cell exhaust (10e) with heated air (25h) of the cooling assembly (20) to avoid or reduce water mist (5) being expelled from the system exhaust (1e). A method (100) of operating a fuel cell system.
BOPI
Sede Electrónica
