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497
resultados
Última actualización
19/08/2025 [06:48:00]
Resultados 375 a 400 de 497
Resumen de: US2025253377A1
The invention relates to an electrochemical cell assembly including a first end plate assembly, a stack of cell repeat units, and a second end plate assembly. The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each include an end plate. The electrochemical cell assembly includes an insulation plate located between the end plate and the stack. At least one through-hole is provided in the insulation plate and a sealing insert is provided in the at least one through-hole of the insulation plate, the sealing insert defining a fluid pathway along the stacking direction. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.
Resumen de: US2025253376A1
Provided is a method of operating a flow battery. The method includes charging a first active material in the first electrolyte and a second active material in the second electrolyte, where during charging of the second active material a metal impurity is precipitated out of the second electrolyte. The method includes isolating the second electrolyte in a subflow structure of a dynamic fluidic network, where the flow battery is configured to circulate the second electrolyte within the subflow structure while the subflow structure is in isolation from a second electrolyte source. The method includes discharging the second active material, where during discharging the metal impurity is dissolved in the second electrolyte circulating within the subflow structure. The method includes removing the second electrolyte comprising the metal impurity from the subflow structure.
Resumen de: US2025253372A1
A method and a system for optimizing a lifetime of a fuel cell system based on adjustment and constraint of a thermoelectric ratio are provided. The method includes obtaining initial reference voltages of a plurality of single-machine fuel cell systems, and performing a durability test under a normal operating condition to obtain variation relationships of reference voltage over time; monitoring an operating voltage of each of the single-machine fuel cell systems in real-time under the normal operating condition to obtain a real-time monitored voltage and a real-time voltage deviation; calculating a performance expected attenuation profile of each of the single-machine fuel cell systems under the normal operating condition; obtaining current density distribution and actual available heat of each of the single-machine fuel cell systems, and calculating a health state boundary of each of the single-machine fuel cell systems in stable operation, so as to optimize operating modes of the systems.
Resumen de: US2025253374A1
A joined base material includes a real base material having an elongated strip shape including a support film and an electrolyte membrane laminated on each other, a dummy base material having an elongated strip shape including a first layer and a second layer laminated on each other, and a connecting member connecting the real base material and the dummy base material to each other. The connecting member includes a first part that adheres to the real base material, a second part that adheres to the dummy base material, and a third part located between the first part and the second part and overlaid on an end portion of the real base material and an end portion of the dummy base material. Adhesive power in the third part is smaller than adhesive power in the first part and adhesive power in the second part.
Resumen de: US2025253373A1
A carbon dioxide recovery apparatus for recovering carbon dioxide contained in an exhaust gas of a fuel cell system includes: an inlet unit configured to introduce the exhaust gas of the fuel cell system; a heat exchange unit configured to cool the exhaust gas by heat exchange; a first moisture absorbing unit configured to separate condensed water from the exhaust gas; a second moisture absorbing unit configured to absorb moisture of the exhaust gas; a carbon dioxide recovery unit configured to recover carbon dioxide from the exhaust gas; a first gas line connected to an outlet unit through the heat exchange unit, the first moisture absorbing unit, the second moisture absorbing unit, and the carbon dioxide recovery unit in this order from the inlet unit; and a pump provided in the first gas line.
Resumen de: US2025253369A1
A capture device including a body defining a chamber configured to receive liquid and gas from a fuel cell system. The chamber includes an upper end region and a lower end region. An outlet is disposed at the body in fluid communication with the lower end region of the chamber. A gas bypass hose includes a first end in fluid communication with the upper end region of the chamber and a second end in fluid communication with the lower end region of the chamber. A solenoid valve is disposed between the chamber and the outlet. The solenoid valve is operable between an open state permitting fluid communication between the chamber and the outlet to drain liquid and purge gas from the chamber and a closed state preventing fluid communication between the chamber and the outlet.
Resumen de: US2025253368A1
A method for controlling a fuel cell device includes receiving a voltage measured at the time of power generation of the fuel cell device and determining whether the degradation level of the fuel cell device is normal based on a comparison of the voltage and a first threshold value that decreases with increasing operational amount of the fuel cell device and that corresponds to the operational amount of the fuel cell device at the measurement time of the voltage.
Resumen de: US2025253375A1
The present invention provides a method for operating a redox-flow battery system comprising at least two battery modules, wherein the redox-flow battery system comprises a measuring device for providing a measured variable representing a measure of the state of charge of each battery module, and wherein the method comprises the following steps: cyclic operation of the redox flow battery system; detecting measured values by use of the measuring device; carrying out at least two balancing interventions on a battery module during a half cycle; and wherein the last balancing intervention carried out in the half-cycle is of the overcompensating type, and an SoC2 value used for this balancing intervention is predicted with the aid of pre-trained AI.
Resumen de: US2025253371A1
A cooling system includes: a first pump that is provided downstream of a radiator and upstream of an FC stack in a cooling flow path; an adjustment valve regulates a first flow rate of the cooling water flowing from the radiator to the first pump and a second flow rate of the cooling water flowing from a first branch flow path to the first pump; and a second pump that is provided in a second branch flow path, a controller that determines a first transfer amount of the first pump on the basis of the adjustment degree of the adjustment valve and the temperature of the FC stack, and determines a second transfer amount of the second pump on the basis of the adjustment degree and the first transfer amount.
Resumen de: US2025253370A1
A cooling system for a fuel cell onboard a vehicle includes a coolant circuit and a thermal energy storage device in fluid communication with the coolant circuit. The coolant circuit defines a coolant passageway and is configured to circulate a coolant through the coolant passageway and through a portion of the fuel cell to absorb heat from the fuel cell. The thermal energy storage device includes a phase change material configured to store thermal energy released from the coolant flowing through the coolant circuit and through the thermal energy storage device in the form of latent heat. The phase change material is configured to dissipate thermal energy stored therein to a circumambient airflow flowing relative to the vehicle when the vehicle is moving.
Resumen de: US2025253439A1
A temperature control arrangement for controlling the temperature of at least one component may include a temperature control circuit, a conveyor configured to drive a temperature control agent in the temperature control circuit, and a storage tank for intermediate storage of the temperature control agent. The storage tank may include a housing surrounding a housing interior, a fluid inlet arranged on the housing, a fluid outlet arranged on the housing, and at least one molded body composed of an open-pored foam and through which the temperature control agent is flowable. The fluid inlet may have an inlet opening via which the temperature control agent is introducible into the housing interior. The fluid outlet may have an outlet opening via which the temperature control agent is dischargeable after passing through the housing interior. The at least one molded body may be arranged in the housing interior.
Resumen de: US2025253360A1
A storage container includes a housing that encloses a housing interior, through which the temperature control agent can flow for intermediate storage. The housing includes a fluid inlet and outlet, each with respective openings for introducing and discharging the temperature control agent. A housing opening provides fluid communication between the housing interior and the external environment. A sealing element is positioned in the housing opening to seal it in a fluid-tight manner when arranged. A drying device, positioned on the sealing element, absorbs moisture from the temperature control agent within the housing interior. The drying device is arranged within the housing interior, while the sealing element remains positioned in the housing opening.
Resumen de: US2025253367A1
Methods, devices, controllers, vehicles, and media for determining the anode water condition of a fuel cell system are disclosed. The method includes (i) determining the anode inlet humidity of the fuel cell system, (ii) determining the separation efficiency of a water-gas separator of the fuel cell system, and (iii) determining the condition of the water at the anode of the fuel cell system based on the anode inlet humidity and the separation efficiency of the water-gas separator. In this way, the possibility of flooding at the anode can be determined in advance of the damage to the stack, thereby enabling timely application of appropriate protective measures to reduce the damage to the stack from the flooding.
Resumen de: US2025246654A1
A fuel cell system includes: a fuel cell that generates power by a reaction between hydrogen gas as a fuel gas and oxidant gas; a hydrogen gas supply device that supplies hydrogen gas to the fuel cell; a supply control unit that determines a supply amount and a supply timing of hydrogen gas supplied to the fuel cell; and an atmospheric pressure acquisition unit (atmospheric pressure sensor) that acquires atmospheric pressure, wherein the supply control unit supplies hydrogen gas to the fuel cell at a supply amount and a supply timing determined according to at least atmospheric pressure during soaking in which an operation of the fuel cell is stopped.
Resumen de: EP4597650A1
A cell frame structure includes a bipolar plate, a frame body provided around an outer periphery of the bipolar plate, and a first member overlaid on the frame body, and the frame body and the first member are fixed by a joint portion.
Resumen de: US2025246651A1
A fuel cell system including a fuel cell stack, a fuel gas supply-discharge part, an oxidant gas supply-discharge part, a pressure detection part detecting pressures in an anode flow path and cathode flow path, and a microprocessor. The microprocessor is configured to perform detecting a fuel gas leakage from the anode flow path based on the pressures in the anode flow path and cathode flow path, and the detecting including controlling the fuel gas supply-discharge part and the oxidant gas supply-discharge part to be in a flow-path blocking state in which the anode flow path is blocked from the fuel gas supply-discharge part and the cathode flow path is blocked from the oxidant gas supply-discharge part, and detecting the fuel gas leakage based on change amounts of the pressures in the anode flow path and the cathode flow path from the flow-path blocking state.
Resumen de: JP2025115015A
【課題】発電性能を高めることができる膜電極接合体および固体高分子形燃料電池を提供する。【解決手段】膜電極接合体１０は、アノード側ガス拡散層１３Ａと、アノード側電極触媒層１２Ａと、高分子電解質膜１１と、カソード側電極触媒層１２Ｃと、カソード側ガス拡散層１３Ｃと、をこの順に備える。アノード側ガス拡散層１３Ａが、触媒担持粒子、高分子電解質、および、導電性繊維を含み、アノード側ガス拡散層１３Ａの平均流量細孔径は、０．３～１０μｍである。【選択図】図１
Resumen de: CN119384742A
The invention relates to a method for operating a fuel cell system (10) of a motor vehicle (12), comprising at least one hydrogen tank (14), at least one fuel cell (18) which can be supplied with hydrogen from the hydrogen tank (14), and a cooling device (30) for cooling at least part of the fuel cell system (10), according to the invention, the energy consumption of the cooling device (30) is predicted as a function of a planned travel route of the motor vehicle (12), a future temporal pressure curve of the pressure present in the hydrogen tank (14) is predicted, and a future temporal energy curve of the heating energy is predicted, on the basis of which energy curves, the energy consumption of the cooling device (30) is determined. The heating energy is supplied by a cooling device (30) to the hydrogen tank (14) as a function of the predicted energy consumption in order to achieve a pressure curve.
Resumen de: EP4597646A1
A conductive member includes a porous body having a framework having a three-dimensional mesh structure, wherein the porous body has a plate shape having a first main surface and a second main surface opposite to the first main surface, and the first main surface contains a carbon atom.
Resumen de: EP4597648A1
A porous body includes a first framework having a three-dimensional mesh structure, wherein the first framework consists of a framework main body and an inner portion that is hollow and that is surrounded by the framework main body, the framework main body consists of a first layer and a second layer, the first layer is located on an outer surface side of the framework main body, the second layer is located on the inner portion side of the framework main body, the framework main body contains 70 mass% or more of nickel and cobalt in total, a cobalt content ratio in the first layer is 50 mass% or more, a cobalt content ratio in the second layer is less than 50 mass%, and a ratio of a thickness of the first layer to a thickness of the framework main body is 10% or more and 90% or less.
Resumen de: EP4597647A1
This conductive member includes a porous body having a skeleton with a three-dimensional network structure. The porous body has a plate shape comprising a first main surface and a second main surface opposite from the first main surface; the first main surface contains carbon atoms; the porous body is an NiCrAl metal porous body or an NiCrAlFe metal porous body.
Resumen de: WO2024013687A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen, processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: CN119856308A
Embodiments herein relate to a monitoring system for a chemical filter for use with a fuel cell system. In one embodiment, a fuel cell chemical filter monitoring system (108) having a processing unit (214) and a sensor module (212) is included. The sensor module (212) may include one or more sensors. The sensor module (212) may be configured to interface with an air flow passage (210) of the fuel cell system (104) upstream of the chemical filter (212) and to detect an amount of a chemical compound in the air flow passage (210). The sensor module (212) may be operably connected to the processing unit (214). The processing unit (214) may be configured to track the total exposure of the chemical filter to the chemical compound. The processing unit (214) may be configured to estimate a remaining life of the chemical filter (212) based on the tracked total exposure of the chemical filter and data regarding the total capacity of the chemical filter. Other embodiments are also included herein.
Nº publicación: EP4594142A1 06/08/2025
Solicitante:
DUMAREY AUTOMOTIVE ITALIA S P A [IT]
Dumarey Automotive Italia S.p.A
Resumen de: WO2024069356A1
High voltage modular power distribution unit for electric or hybrid vehicles, the modular power distribution unit being equipped with two or more base electric modules (1) mechanically connected to each other, the base electric module (1) having: - at least one input port connected to an electric power source, - at least one output port connected to an electric user, - a plurality of electric cables and a first plurality of electric connection bus bars, and - a base structure, provided with a plurality of mechanical connection elements, wherein the two or more base electric modules (1) are electrically connected to each other by means of a second plurality of intermodular bus bars (15).
BOPI
Sede Electrónica
