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656
resultados
Última actualización
18/06/2025 [06:50:00]
Resultados 550 a 575 de 656
Resumen de: WO2025115962A1
According to the present invention, upon receiving a command signal for starting a work machine, a main control device outputs an activation command to a first fuel cell module among a plurality of fuel cell modules. Upon detecting the activation of the first fuel cell module, the main control device outputs an activation command to a second fuel cell module, which is different from the first fuel cell module, among the plurality of fuel cell modules.
Resumen de: WO2025115367A1
A battery cell according to the present disclosure comprises a positive electrode, a negative electrode, a diaphragm, and a porous body. The porous body is disposed either one between the positive electrode and the diaphragm or between the negative electrode and the diaphragm, or each one between the positive electrode and the diaphragm and between the negative electrode and the diaphragm. The porous body includes a porous substrate made of an insulating material, and a coating part formed on at least a portion of the substrate. The coating part includes at least one of a cation exchange material and an anion exchange material.
Resumen de: WO2025116600A1
Disclosed is a catalyst for a hydrogen evolution reaction or a hydrogen oxidation reaction, which can be used under alkaline conditions and has significantly improved kinetic properties compared to conventional commercially-available platinum catalysts. The present invention provides a catalyst for electrochemical hydrogen reactions under alkaline conditions, which has 2 to 20 ruthenium atoms supported in an ensemble form on the surface of a molybdenum carbide-carbon nanocomposite support, and a manufacturing method therefor, and a ruthenium-based catalyst electrode comprising the catalyst, which can be used as an electrode for anion exchange membrane-based water electrolysis cells and fuel cells.
Resumen de: WO2025115322A1
A control unit in a fuel cell system having a valve provided in an off-gas discharge passage controls the opening degree of the valve on the basis of a measured value of the temperature of a fuel cell measured by a temperature sensor and an output voltage difference defined as the difference between the optimum value of the output voltage of the fuel cell corresponding to a measured value of the output current of the fuel cell measured by a current sensor and a measured value of the output voltage of the fuel cell measured by a voltage sensor.
Resumen de: WO2025115321A1
In this fuel cell system, when the difference between an optimal value of an output voltage of a fuel cell corresponding to a measurement value of an output current of the fuel cell measured by a current sensor and a measurement value of an output voltage of the fuel cell measured by a voltage sensor is defined as an output voltage difference, a control unit adjusts, when stopping or starting power generation of the fuel cell and on the basis of the output voltage difference, the opening/closing speed of a flow rate control valve and/or the increasing/decreasing rate of the rotation speed of a gas supply unit.
Resumen de: WO2025116683A1
The present document relates to a quality inspection method for a cell of an aqueous battery, a device therefor, and a method and a system for manufacturing a cell block on the basis of same. To this end, the method for manufacturing a cell block of an aqueous battery includes: stacking cells including a plurality of layers; injecting a liquid electrode into each of a plurality of cells in which the cells are stacked; performing primary quality control by applying power in a state where the plurality of cells are electrically connected; selecting cells having a quality equal to or greater than a predetermined reference according to a result of the primary quality control; and re-stacking the selected cells to manufacture the cell block.
Resumen de: WO2025116113A1
An embodiment of the present invention provides a fuel reforming apparatus having a double pipe structure, the fuel reforming apparatus including: a housing; a burner which generates combustion gas by using air and fuel gas supplied to the lower part thereof; a main channel pipe which forms a fluid channel in which the combustion gas generated from the burner moves upward, and is positioned at the center of the housing; a reforming reaction part which surrounds the main channel pipe and in which a reforming catalyst is provided; a combustion gas discharge port, which is positioned above the burner and formed at one side of a lower part of the main channel pipe and to which the combustion gas is discharged; and a discharge channel pipe forming a fluid channel through which the combustion gas introduced through the main channel pipe moves downward toward the combustion gas discharge port.
Resumen de: WO2025116620A1
The present invention relates to an ion exchange membrane containing asymmetric ion channel units, and the ion exchange membrane is based on covalent organic frameworks (COFs) and contains ion channel units having different diameters, degrees of hydrophilicity, and charge characteristics, such that an ion exchange membrane having both excellent ion conductivity and ion selectivity may be produced.
Resumen de: WO2025115901A1
This electrochemical cell has an element part and a sealing material. The element part includes: a solid electrolyte layer that has a first surface; a first electrode that faces the first surface; and a second electrode that is positioned on the opposite side of the first electrode across the solid electrolyte layer. The sealing material has a portion that is located on the first surface, and covers an end surface of the second electrode. The first electrode has a second surface that is positioned on the opposite side from the solid electrolyte layer. When L1 is the length from the first surface to the second surface and L2 is the length from the end of the sealing material located on the first surface side to the first surface in a first direction that is perpendicular to the first surface, the sealing material has a portion where L2 is larger than the average of L1.
Resumen de: WO2025115963A1
A fuel cell stack (22) generates electricity by reacting oxygen with hydrogen stored in a hydrogen tank (21). An electrically-driven fan (26) blows cooling air toward at least one of the hydrogen tank (21), the fuel cell stack (22), and a hydrogen flow path connecting the hydrogen tank (21) and the fuel cell stack (22). A revolution rate detection sensor (2) detects the number of revolutions of the electrically-driven fan (26). A hydrogen leak detection sensor (1) detects the amount of hydrogen outside the hydrogen tank (21). A controller (10) performs determination for the amount of hydrogen detected by the hydrogen leak detection sensor (1) on the basis of whether or not the number of revolutions of the electrically-driven fan (26) detected by the revolution rate detection sensor (2) is equal to or lower than a designated number of revolutions set in advance.
Resumen de: WO2025115956A1
According to the present invention, a main control device determines a control order for starting or stopping a plurality of fuel cell modules. At a control time point for starting or stopping the plurality of fuel cell modules, the main control device starts or stops the plurality of fuel cell modules in an order different from the control order at the previous control time point.
Resumen de: WO2025115808A1
An electrochemical cell (1) according to the present invention is provided with an air electrode (2), a solid electrolyte layer (4), a fuel electrode (6), and a porous layer (8) in this order. The porous layer (8) comprises an alloy containing Cr and Fe, has a porosity of 15-50%, and has a pore diameter (average equivalent circle diameter) of 5-50 μm. The solid electrolyte layer (4) preferably contains stabilized zirconia containing at least one stabilizing element selected from Sc, Y, Yb, and Ce.
Resumen de: WO2025112937A1
The present application discloses a real-time SOC prediction method for an all-vanadium redox flow battery system, comprising: sampling positive and negative electrolytes in a charge and discharge cycle of an all-vanadium redox flow battery system to determine the concentrations of positive electrode tetravalent and pentavalent vanadium ions and the concentrations of negative electrode divalent and trivalent vanadium ions; recording charge and discharge parameters at the moment of sampling the positive and negative electrolytes in the charge and discharge cycle; taking the charge and discharge parameters as feature vectors X; taking the concentrations of the positive electrode tetravalent and pentavalent vanadium ions and the concentrations of the negative electrode divalent and trivalent vanadium ions as target functions y to establish a database; dividing data in the database into a training set and a test set; and using an artificial intelligence algorithm to train the data in the training set, and building a prediction model for the concentrations of the positive electrode tetravalent and pentavalent vanadium ions and the concentrations of the negative electrode divalent and trivalent vanadium ions of the all-vanadium redox flow battery. The present method can predict in real time the concentrations of active materials in the positive and negative electrolytes of the all-vanadium redox flow battery system in the charge and discharge cycle, and realize SOC real-time monito
Resumen de: WO2025112785A1
A modification method for a carbon felt electrode of an all-iron redox flow battery, comprising the following steps: 1) placing carbon felt into a tubular furnace for firing; 2) preparing a Fe2(SO 4)3 methanol solution and a dimethylimidazole methanol solution; 3) placing the heat-treated carbon felt into the dimethylimidazole methanol solution, and then pouring the Fe2(SO4)3 methanol solution into the solution; 4) stirring the mixed solution and the carbon felt, and then taking out and drying the mixed solution and the carbon felt; 5) placing the dried carbon felt into the tubular furnace, and firing the dried carbon felt in a nitrogen atmosphere; and 6) taking out the fired carbon felt, cleaning with hydrochloric acid, then cleaning with deionized water, and drying after the cleaning to obtain a modified carbon felt electrode. The method is used for modifying the carbon felt electrode of the all-iron redox flow battery, and the hydrophilicity and the electrochemical activity of the carbon felt electrode can be improved by means of soaking and stirring in the solution and firing in the tubular furnace, effectively improving the voltage efficiency of the all-iron redox flow battery.
Resumen de: WO2025113950A1
The invention relates to a method for operating a fuel cell system (100), said fuel cell system (100) having a plurality of fuel cell modules (120) designed as proton-exchange membrane fuel cells. The method has the steps of ascertaining the aging state (153) of the plurality of fuel cell modules (120), adjusting the current target system pressure of the fuel cell system (100) on the basis of the aging state (153) in order to generate an adjusted target system pressure (155), and actuating at least one operating device (130, 140) of the fuel cell system (100) using the adjusted target system pressure (155) in order to operate the fuel cell system (100).
Resumen de: WO2025114029A1
Method for making-safe a motor vehicle using dihydrogen as a source of energy or fuel in a circuit, the method comprising measuring pressure in the circuit, estimating a dihydrogen flow rate likely to be released as a function of the measured pressure, determining a target ventilation flow rate required to reduce a dihydrogen concentration in the air and determining and then applying a strategy for controlling a motor-fan unit and/or mobile flaps so as to implement the determined ventilation flow rate.
Resumen de: WO2025113877A1
The invention relates to a stack (1), comprising a housing (2) and a cell stack (3) accommodated in the housing (2) and consisting of a plurality of electrochemical cells (4) that have a substantially rectangular basic shape with two longitudinal sides (4.1) and two transverse sides (4.2) and are each aligned perpendicularly with respect to a base (2.1) of the housing (2), so that the stacking direction (8) runs parallel to the base (2.1). According to the invention, the cell stack (3) is connected to at least one sliding element (5), via which the cell stack (3) is mounted on a sliding surface (6) on the housing side, so that the cell stack (3) is movable relative to the housing (2) in the stacking direction (8).
Resumen de: WO2025113862A1
Pre-heating system (1) for a vehicle (2) comprising a first cooling circuit (3) comprising a first coolant (4) circulating therein and connected to a fuel cell system (5) of the vehicle (2) for regulating the operating temperature of said fuel cell system (5), a second cooling circuit (6) comprising a second coolant (7) circulating therein, the second cooling circuit (6) being separated from the first cooling circuit (3), and a heat exchanger (8) for thermally coupling the first cooling circuit (3) to the second cooling circuit (6) and for determining a heat exchange between the first coolant (4) and the second coolant (7), wherein the second cooling circuit (6) comprises at least a high power resistor (9).
Resumen de: US2025179650A1
A screening gas diffusion material, which can have a porosity and which can be a layer and which can be a membrane, for use in electrolysis systems and methods, such as in an electrolyzer, permits smaller molecules, such as methanol, to pass through while excluding larger organic contaminants from reaching the catalyst surface. The screening layer minimizes the energy penalty caused by the larger organic impurities while maintaining the cell potential below the threshold where catalysts are potentially oxidized.
Resumen de: US2025179665A1
An electrochemical stack comprises a plurality of planar electrochemical cells having surfaces bounded by outlines and disposed surface to surface adjacent one another with bipolar plates disposed there-between, and mounted in openings having corresponding outlines in insulating holders, the holders being clamped together between end plates and there being seals between each end plate and the adjacent holder and between confronting regions of adjacent holders. In the claimed design a plurality of stack modules are provided in the holders and between the end plates. The stack modules preferably have the same orientation in space. (FIG. 5A)
Resumen de: US2025178484A1
Systems and methods are provided for managing propulsion power sources—e.g., a fuel cell stack, a power-dense battery back, and an energy-dense battery pack—of a fuel cell vehicle. Such systems and methods can use a driving condition-to-power source mapping to identify which power source(s) of the fuel cell vehicle is/are appropriate for propelling the fuel cell vehicle under different driving condition (e.g., a rapid acceleration vs. cruise driving) based on relative power-density vs. energy-density demanded from a propulsion system of the fuel cell vehicle under the different driving conditions.
Resumen de: US2025178058A1
A pressing machine includes a fixed die, a movable die, and multiple punching units. The punching units include a first punching unit and a second punching unit. The first punching unit punches a first region of a material, thereby forming a first section of a separator. The second punching unit punches a second region of the material, thereby forming a second section of the separator. The pressing machine is configured such that the first punching unit punches the first region of the material at the time of die closing, and that the second punching unit punches the second region of the material at the time of subsequent die closing.
Resumen de: US2025177902A1
A carbon capture system may include a pressure swing adsorption unit for producing a product gas and a tail gas comprising at least one carbonaceous gas. The carbon capture system may include a molten carbonate fuel cell having a cathode and an anode for transferring CO2 from the cathode to the anode. The molten carbonate fuel cell may be a multi-stage fuel cell where the anode is in fluid communication with the pressure swing adsorption unit for receiving at least a portion of the tail gas as an inlet stream.
Resumen de: US2025177898A1
A liquid separator for separating a liquid from a fluid flow includes a housing, a flow-conducting region arranged inside the housing and including an inner tube and an outer tube adjoining the inner tube, the inner tube being arranged downstream of the outer tube in a flow direction, a fluid conduit connected to the flow-conducting region and having a first diameter, the fluid conduit including a swirl generator for generating a swirl of the fluid flow, a separation region arranged at a radial outer side of the inner tube and the outer tube, a fluid outlet connected to the separation region and extending at a slant to an axial direction, and a flow-calmed region arranged between the separation region and the fluid outlet and including a flow-calming element for calming the fluid flow.
Nº publicación: US2025180660A1 05/06/2025
Solicitante:
DENCHI INC [JP]
denchi, inc
Resumen de: US2025180660A1
An impedance measurement device includes: an applicator that applies a voltage or a current consisting of a staircase wave with 3 or more steps to any electrochemical system as an input signal; a measurer that measures a voltage input value or a current input value of the input signal and a current response value or a voltage response value corresponding to the input signal as a response signal; and a calculator that calculates impedance values at plural frequencies from the current response value or the voltage response value of the response signal.
BOPI
Sede Electrónica
