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606
resultados
Última actualización
13/08/2025 [06:49:00]
Resultados 175 a 200 de 606
Resumen de: WO2025164038A1
Provided are a method for producing an electrolyte membrane laminate and applications thereof, the method including: a step for preparing a plurality of transfer substrates each having a catalyst layer on a temporary support; a step for arranging the plurality of transfer substrates on an electrolyte membrane such that the electrolyte membrane and the catalyst layers are in contact with each other, in a state where at least some of the plurality of transfer substrates are in contact with each other; a step for thermocompression-bonding the electrolyte membrane and the plurality of transfer substrates; and a step for peeling off the temporary support.
Resumen de: WO2025163609A1
The present invention provides a multipurpose integrated passive system (20) for converting green energy comprising a renewable energy conversion module (1) to generate electricity, a water and gas management module (3) to supply water to the water electrolyser (4), a water electrolyser (4) connected with one or more potassium hydroxide (KOH) tank (4a, 4b), is configured to split water into hydrogen gas and oxygen gas and said gases are separately directed into the storage assembly (5). The storage assembly (5) include a plurality of gas storage tanks (5a, 5b) for separately storing the gases and a plurality of valves for controlling the flow of said gases, a burner assembly (6) include a hydrogen burner (7), wherein the hydrogen gas from the gas storage tank (5a) is delivered to the hydrogen burner (7), and a controller (2) configured to ensures to safety and efficiency of the multipurpose integrated passive system (20).
Resumen de: WO2025163645A1
Energy backup systems and methods are provided, which combine an aluminum air sub-system having one or more replaceable aluminum air modules with multiple aluminum air cell stacks with a rechargeable buffer. The backup systems and methods provide electricity upon requirement from the rechargeable buffer, monitor the statuses of the rechargeable buffer and the aluminum air sub- system as well as the electricity consumption of the load which the system backups - and determine respectively the operation profile of the aluminum air sub-system to supply electricity to the load and to recharge the buffer when needed, optimizing the operational parameters with respect to the operation and configuration of the aluminum air sub-system and the buffer(s), from the system configurations and self-testing, through management of maintenance procedures and down to the configuration and operation of a large number of cell stacks.
Resumen de: WO2025162502A1
The present invention relates to the technical field of proton exchange membrane fuel cells. Disclosed are a fuel cell parameter identification method and apparatus, and a device and a storage medium. The method comprises the following steps: constructing a semi-empirical model for a proton exchange membrane fuel cell; calculating a theoretical value of an output voltage of the semi-empirical model, and constructing an objective function by means of a mean square error between the theoretical value and an actual value of the output voltage of the semi-empirical model; on the basis of the semi-empirical model, determining a plurality of parameters to be identified, and using said plurality of parameters as decision variables to construct a plurality of constraint conditions for the objective function; on the basis of the plurality of constraint conditions, constructing an optimization model for the proton exchange membrane fuel cell by using the minimization of the objective function as an optimization objective and using said plurality of parameters as variables to be solved; and solving the optimization model by means of a multi-policy sparrow search optimization algorithm, so as to obtain a plurality of optimal parameters to be identified. In the multi-policy sparrow search optimization algorithm in the present invention, Tent chaotic mapping is introduced to initialize a population, the number of populations is increased, and then the two populations are merged. An adaptiv
Resumen de: WO2025161081A1
The present application provides a nitrogen-containing compound, the nitrogen-containing compound comprising segment I. Segment I is represented by Formula I, where a represents the number of methylene groups, a is a positive integer, Ar1 is an aromatic structural unit, R1 and R2 are independently selected from H, hydrocarbon groups or substituted hydrocarbon groups, or R1 and R2 are connected and form, together with the N atom to which same are connected, a polycyclic ring.
Resumen de: AU2024374498A1
A conductive slurry and a preparation method therefor, a composite electrode, and a flow battery. The conductive slurry is prepared from a conductive carbon black, carbon nanotubes, polyvinylidene fluoride and N-methylpyrrolidone. The composite electrode comprises a first electrode, a bipolar plate, a second electrode, and the conductive slurry as described above, wherein the conductive slurry is disposed between the first electrode and the bipolar plate and disposed between the second electrode and the bipolar plate. The conductive slurry is not only stable in the initial chemical state of a vanadium electrolyte of a common flow battery, but also has electrochemical stability during charging and discharging after a voltage is applied thereto. The conductive slurry has a long service life and does not degrade over time as the battery is used. The conductive slurry has a good bonding effect, and also enables the contact resistance to be reduced after the bipolar plate and carbon felt electrodes are compounded. Moreover, the conductive slurry itself has a good electrocatalytic activity, thereby providing reaction sites for a vanadium electrolyte commonly used in a flow battery and thus improving the efficiency and performance of the battery.
Resumen de: AU2024208882A1
We describe a redox battery unit cell, comprising: a first electrode, a second electrode spaced apart from the first electrode, and a membrane arranged between the first and the second electrode, wherein the first electrode comprises a first flow field.
Resumen de: US2025251056A1
A valve device includes a valve base having a discharge flow path through which a target fluid is discharged, a plunger configured to be rectilinearly movable from a first position at which the plunger closes the discharge flow path to a second position at which the plunger opens the discharge flow path, a solenoid configured to provide driving power for moving the plunger, and an anti-freezing member connected to the plunger and configured to prevent freezing of the target fluid in the discharge flow path by moving in the discharge flow path in conjunction with a movement of the plunger, thereby obtaining an advantageous effect of preventing the discharge flow path through which the target fluid is discharged from being clogged, and of improving safety and reliability.
Resumen de: US2025250680A1
A component for an electrochemical device, the component including: a metallic substrate; and a plurality of particles bonded to a surface of the substrate by a metallurgical bond, wherein the particles include a metal, carbon, or a combination thereof, wherein the metallurgical bond is between the particles and the substrate, wherein a total projected area of the metallurgical bond is less than 90% of a total projected area of the substrate, and wherein the metallurgical bond has a composition which is a combination of a composition of the metallic substrate and a composition of the particle, a reaction product of the metallic substrate and the particle, or a combination thereof.
Resumen de: US2025250694A1
A membrane electrode assembly includes a cathode portion disposed on one end and an anode portion disposed on an opposite end from the cathode portion. The membrane electrode assembly also includes a cathode ionomer layer disposed adjacent the cathode portion and an anode ionomer layer disposed adjacent the anode portion. Further, the membrane electrode assembly may include one or more support layers disposed between the cathode ionomer layer and the anode ionomer layer. Additionally, the anode ionomer layer includes a plurality of gas recombination catalysts in a graded dispersion such that a portion of the anode ionomer layer disposed closer to the anode portion includes a higher concentration of gas recombination catalysts than a portion of the anode ionomer layer disposed closer to the cathode portion.
Resumen de: US2025250695A1
A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.
Resumen de: US2025250131A1
A fuel cell separator conveyance apparatus including a movable body having an opposing surface extending in a substantially horizontal direction and facing an upper surface of a separator, a suction part provided on the movable body to generate a suction to hold the separator on the movable body, and a support part movably supporting the movable body. A first communication hole communicating with a flow path of a reaction gas and a second communication hole communicating with at least one of a plurality of through-holes of the separator are provided in the movable body, and the suction part includes a first section part holding the separator on the movable body through the suction via the first communication hole, and a second suction part holding the protective sheet on the movable body through the suction via the second communication hole.
Resumen de: US2025250019A1
An aircraft propulsion assembly that has a nacelle with a front opening and a rear opening, a propeller driven by an electric motor, a fuel cell supplying the electric motor with electric current, an inner channel arranged in the nacelle between the front opening and the rear opening. The electric motor and the fuel cell are disposed in the inner channel. A motorized fan is arranged at the rear part so as to draw in the air present in the inner channel and expel it to the outside through the rear opening. A control unit controls the motorized fan. With such an arrangement, the outside air cools the inside of the nacelle and the dihydrogen is evacuated.
Resumen de: US2025246657A1
A fuel cell activation apparatus activates fuel cells. The fuel cells include, in order from one side, an anode layer, an electrolyte membrane, and a cathode layer. The anode layer and the cathode layer contain platinum as a catalyst. The fuel cell activation apparatus includes an anode-side gas supply device, a cathode-side gas supply device, and a potential scanning circuit. The fuel cell activation apparatus activates the fuel cells by supplying a fuel gas to the anode layer by the anode-side gas supply device, supplying a low oxygen gas to the cathode layer by the cathode-side gas supply device, and controlling a cathode potential by the potential scanning circuit.
Resumen de: US2025246653A1
A fuel cell system includes a fuel cell, an air compressor, a flow rate sensor, a voltage sensor, and a control unit, wherein the control unit performs either a raising operation of causing an air compressor to supply a cathode gas so as to achieve a first air stoichiometric ratio, or a lowering operation of causing the air compressor to supply the cathode gas so as to achieve a second air stoichiometric ratio lower than the first air stoichiometric ratio, and performs the raising operation when a first condition including that an output voltage is a value in a first range is satisfied, and does not perform the raising operation when a second condition including that the output voltage is a value in a second range higher than the first range is satisfied.
Resumen de: US2025249411A1
Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods are described. Representative ceramic selective membranes include ion-conductive membranes (e.g., proton-conducting membranes) and gas selective membranes. Representative uses for the membranes include incorporation into fuel cells and redox flow batteries (RFB) as ion-conducting membranes.
Resumen de: US2025251299A1
To provide a leakage detector that can improve energy efficiency by making it possible to suppress an increase in the number of man hours required in a process of producing a fuel cell stack. A leakage detector 1, 61 includes: a presser 15 configured to press cells of a fuel cell FC, the cells being laminated together and being housed in a fuel cell case C that has a first end that is closed and a second end that is not being closed by a lid; a feeder 61 configured to feed gas to the fuel cell case C while the presser 15 presses the cells of a fuel cell FC at a pressure equal to or higher than a predetermined pressure; and a detector 61 configured to detect leakage of the gas from the fuel cell case C to which the gas is being fed by the feeder 61.
Resumen de: US2025253356A1
A single cell for a fuel cell includes a power generating unit and two separators that sandwich the power generating unit. Each separator includes an opposing surface opposed to the power generating unit. The opposing surface has a gas passage and ribs. The gas passage includes a mesh portion, an inflow portion configured such that reactant gas flows through the inflow portion into the mesh portion, and an outflow portion configured such that the reactant gas flows through the outflow portion from the mesh portion. The ribs forming a lattice pattern include ribs arranged in one direction. A length of each of the ribs arranged in the one direction increases or decreases from the inflow portion toward the outflow portion in a stepwise manner for at least one of the ribs.
Resumen de: US2025253358A1
A fuel cell stack includes multiple stacked single cells. Each single cell includes a power generating unit, a frame member, a first separator, and a second separator. A gasket is provided between the first separator of a first single cell and the second separator of a second single cell. The first separator of the first single cell includes a first projection, and the second separator of the second single cell includes a second projection. The first projection and the second projection project so as to be in contact with each other, thereby suppressing flow of a cooling medium to the outside of the cooling passage. Aback face of at least one of the first projection and the second projection includes a flat surface section that is in contact with the frame member facing the back face.
Resumen de: US2025249605A1
A thin plate conveyance apparatus including a suction pad having a contact portion with a rectangular frame shape to come into contact with a thin plate with protrusions and recess arranged in a horizontal direction and generating a suction force by a negative pressure inside the contact portion, and a support part movably supporting the suction pad between a first position where the thin plate is suctioned and a second position where a suction to the thin plate is released. The contact portion includes a pair of first frame portions extending in the first direction and a pair of second frame portions extending in the second direction, and a width of the pair of first frame portions in the second direction is larger than a width of the recesses in the second direction or a width of the protrusions in the second direction.
Resumen de: CN119366010A
The invention relates to a fuel cell system (100) for generating electrical energy, comprising a fuel cell stack (110) having an anode section (120) and a cathode section (130), the anode section (120) having an anode supply (122) for supplying an anode supply gas (AZG) and an anode discharge (124) for discharging an anode off-gas (AAG), the anode discharge (124) communicating to an anode circulation section (140), and the cathode circulation section (140) communicating to the anode circulation section (140). The anode circuit (140) has an anode supply (122) for circulating the anode off-gas (AAG) as an anode circuit gas (ARG) to the anode supply (122), and a cathode circuit (130) having a cathode supply (132) for supplying a cathode supply gas (KZG) and a cathode discharge (134) for discharging the cathode off-gas (KAG), an active cooling device (180) for cooling the anode circuit gas (ARG) being provided in the anode circuit (140), a drain opening (128) for discharging condensate water (KW) condensed in the active cooling device (180) is provided downstream of the active cooling device (180), and wherein a mixing section (123) is provided downstream of the drain opening (128) for mixing the anode recycle gas (ARG) with the fuel gas (BRG) and feeding the mixture as an anode supply gas (AZG) into the anode supply section (122).
Resumen de: US2025192196A1
The present invention relates to a fuel cell system (100) for generating electrical energy, comprising a fuel cell stack (110) with an anode section (120) and a cathode section (130), the anode section (120) comprising an anode supply section (122) for supplying anode feed gas (AZG) and an anode discharge section (124) for discharging anode exhaust gas (AAG), the cathode section (130) comprising a cathode supply section (132) for supplying cathode feed gas (KZG) and a cathode discharge section (134) for discharging cathode exhaust gas (KAG), wherein the anode discharge section (124) has a divider section (125) for dividing the anode exhaust gas (AAG) into an anode recirculation section (140) for recirculation as anode recirculation gas (ARG) and an anode outlet section (150) for discharge into the environment as anode outlet gas (AUG), wherein a condenser device (126) is arranged in the anode discharge section (124) or in the anode recirculation section (140) in heat-transmitting contact with the cathode supply section (132) to cool the anode exhaust gas (AAG) or the anode recirculation gas (ARG) by heating up the cathode feed gas (KZG), wherein a water outlet (128) is arranged downstream of the condenser device (126) to discharge the condensation water (KW) condensed in the condenser device (126), wherein a mixing section (123) is arranged downstream of the water outlet (128) for mixing the anode recirculation gas (ARG) with fuel gas (BRG) and for supplying this, as anode fe
Resumen de: US2025192188A1
The embodiments described herein involve electrochemical cells that have a heating element integrated into the electrochemical cell. In some aspects, an electrochemical cell comprises an anode current collector, an anode material disposed on the anode current collector, a cathode current collector, a cathode material disposed on a first side of the cathode current collector, a separator disposed between the anode material and the cathode material, and a heating element disposed on a second side of the cathode current collector, the second side opposite the first side. The heating element may include an electrically conductive material and a conductive material and disposed in an insulative material.
Resumen de: US2025253359A1
A fuel cell exhaust gas system includes a heat exchanger which can be flowed through by fuel cell exhaust gas, and has first and second heat exchanger end regions. The heat exchanger has a fuel cell exhaust gas inlet region in one heat exchanger end region and a fuel cell exhaust gas outlet region in one heat exchanger end region and includes a first heat exchanger flow volume, leading away from the fuel cell exhaust gas inlet region in the heat exchanger longitudinal direction, and a second heat exchanger flow volume, leading back in the direction of the fuel cell exhaust gas inlet region in the heat exchanger longitudinal direction, the first heat exchanger flow volume being separated from a cooling medium flow volume by a first heat exchanger wall and being separated from the second heat exchanger flow volume by a second heat exchanger wall.
Nº publicación: US2025253377A1 07/08/2025
Solicitante:
CERES POWER LTD [GB]
Ceres Power Limited
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.
BOPI
Sede Electrónica
