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433
resultados
Última actualización
25/08/2025 [06:48:00]
Resultados 275 a 300 de 433
Resumen de: WO2025166395A1
The present invention relates to a method for controlling an operating fluid supply flow for supplying branching sections (211, 212, 213, 214) of a flow path (210) of a fuel cell system (300) with an operating fluid, which can be provided to the flow path (210) by an operating fluid conveying device (220) with an actual supply flow (IVS). First, the degrees of passage of control elements (230) are detected, the control elements being arranged downstream of the operating fluid conveying device (220) in the branching sections (211, 212, 213, 214) and the degree of passage of each of the control elements being controllable in order to individually set an actual branch supply flow (IZVS) in the respective branching section (211, 212, 213, 214). On the basis of at least one of the detected degrees of passage, a target supply flow (SVS) with which the operating fluid is to be provided to the branching sections (211, 212, 213, 214) by the operating fluid conveying device (220) is determined. The actual supply flow (IVS) is then controlled to the target supply flow (SVS). The invention further relates to a computer program product, a control device (100), a control system (200) and a fuel cell system (300), each of which make use of the method according to the invention.
Resumen de: WO2025168941A1
The invention provides a redox flow battery comprising an organic redox species and hydrogen which provides an energy storage solution with high energy density and good long-term capacity retention. The use of this organic redox species together with a hydrogen anolyte creates a system that is also resistant to issues of electrolyte cross over and which avoids the use of metallic redox species.
Resumen de: WO2025168929A1
Method According to the invention there is provided a method of manufacturing a catalyst-coated ion- conducting membrane or a membrane electrode assembly. The method comprises the steps of: providing an ion-conducting membrane comprising a first face and a second face; depositing a catalyst ink onto the first face of the ion-conducting membrane to form a wet catalyst layer, wherein the catalyst ink comprises a solvent, an electrocatalyst dispersed in the solvent, and an ion-conducting polymer or a blend of polymers; and drying the wet catalyst layer to form a dried catalyst layer, wherein the ion-conducting polymer or the blend of polymers has a stress relaxation time of 600 s or less.
Resumen de: WO2025170515A1
A clamping band (1) for maintaining a compression of an electrical stack assembly (2), particularly fuel cell stack assembly, comprising at least an elongated band el- ement (4) having a first end and a second end (6), wherein the band element (4) is at least partially made from an electrically insulating material.
Resumen de: WO2025170516A1
A clamping band (1) for maintaining a compression of an electrical stack assembly, particularly fuel cell stack assembly, comprising at least an elongated band element (2) having a first end (4) and a second end, and at least one fastening element (6), wherein the at least one fastening element (6) includes at least one bolt portion (8) configured to be attachable to a part of the electrical stack assembly (2), wherein the fastening element (6) comprises at least one marker (14) that marks a position and/or an orientation of the fastening element (6).
Resumen de: WO2025168687A1
The invention relates to an installation (10) intended for the production of solid oxide stacks (14), which comprises: - an enclosure (12) of main axis A in which the stacks (14) are intended to be placed coaxially with the main axis A; - a first shaft (22) and a second shaft (24) between which the stacks (14) are placed; - heating elements (32) arranged in the enclosure (12), characterized in that the main axis A of the enclosure (12) is horizontal and perpendicular to a vertical axis according to the Earth's gravity, and in that the enclosure (12) comprises means for driving the stacks and shafts (22, 24) in rotation about the main axis A.
Resumen de: WO2025168366A1
The invention relates to a methanol reformer system (1) comprising: a methanol reformer (2); a waste heat utilisation system (3) having a first heat exchanger (4); a water recovery system (5) having a second heat exchanger (6) and a water separator (15); and a cooling water system (7) which is connected to the waste heat utilisation system (3) and the water recovery system (5), wherein an exhaust gas line (8) of the methanol reformer (2) is connected to an inlet (9) on a primary side (10) of the first heat exchanger (4), an outlet (11) on the primary side (10) of the first heat exchanger (4) is connected to an inlet (12) on a primary side (13) of the second heat exchanger (6), and an outlet (14) on the primary side (13) of the second heat exchanger (6) leads into the water separator (15). The invention also relates to a methanol reformer fuel cell system. The invention also relates to a method for recovering heat and water in a methanol reformer system (1).
Resumen de: US2025257235A1
An ink production method is a method for producing an ink for use in the formation of a membrane electrode assembly of a fuel cell, the method includes: a generation step of mixing ionomer and solvent to generate an ionomer solution having a concentration of solid content of 7.5% by mass or more and an alcohol ratio in the solvent of 85% by mass or more; and a shearing treatment step of applying a shear force to the ionomer solution generated in the generation step.
Resumen de: US2025256311A1
The invention relates to a method of recovering catalyst material from a membrane electrode assembly from water electrolysis, including the steps of providing a membrane electrode assembly having a membrane coated with a metallic catalyst material, comminuting the membrane electrode assembly, pyrolytically decomposing the comminuted membrane electrode assembly to obtain a solid pyrolysis product as residue, dissolving the solid pyrolysis product in a mixture of concentrated hydrochloric acid and concentrated nitric acid, removing the nitrates by heating the solution to 100° C. to 110° C.,—filtering the insoluble residue, and drying the insoluble residue at a drying temperature (TD) to recover the metallic catalyst material. The method may be employed for the recycling of a membrane electrode assembly from PEM water electrolysis, where iridium as metallic catalyst material is recovered.
Resumen de: US2025257846A1
To enable a hydrogen tank to be efficiently filled with hydrogen even when the hydrogen tank has a large capacity, hydrogen filling at the nozzle flow is prohibited when the nozzle flow of a nozzle is larger than the receptacle flow of a receptacle or when the receptacle flow is unknown under the condition that the nozzle and the receptacle can be connected to each other.
Resumen de: US2025257849A1
The invention relates to a connector device for connecting one or more hydrogen storage means to a fuel cell. For this purpose, a connector device is proposed which has a main part made of a light metal, such as aluminum, and connector elements made of a high-strength material, such as high-grade steel.
Resumen de: US2025256957A1
The power generation system comprises a fuel cell unit adapted to generate electric power using a hydrocarbon-containing gas. A water-gas shift reactor is adapted to receive flue gas from the fuel cell unit and convert carbon monoxide contained in the flue gas into carbon dioxide and hydrogen. A cryogenic carbon dioxide capture unit is adapted to receive flue gas from the water-gas shift reactor and remove carbon dioxide therefrom. A recycle line recycles carbon dioxide-depleted flue gas to the fuel cell unit.
Resumen de: US2025257948A1
A dosing apparatus distributing a coolant on a radiator, which has at least one supply line for transporting the coolant, in which there is at least one nozzle for distributing the coolant on the radiator is provided. The nozzles are designed to distribute the coolant in a laminar stream.
Resumen de: US2025257480A1
The following disclosure relates to substacks configured to form an electrochemical stack. A substack for an electrochemical stack includes a plurality of electrochemical cells, each electrochemical cell having a cathode flow field, an anode flow field, and a membrane positioned between the cathode flow field and the anode flow field. The substack also includes an anode unipolar plate and a cathode unipolar plate, wherein the plurality of electrochemical cells is positioned between the anode unipolar plate and the cathode unipolar plate. The substack is configured to be independently tested for one or more performance parameters prior to addition to the electrochemical stack. The substack is also configured to be added to the electrochemical stack including at least one additional substack following achieving a threshold test result for the one or more performance parameters being tested.
Resumen de: US2025257481A1
The following disclosure relates to electrochemical or electrolysis cells and components thereof. More specifically, the following disclosure relates to an improved porous transport layer (PTL) with catalyst coated particles or fibers, as well as methods of coating a PTL with a catalyst coating composition. In one example, a catalyst-ionomer mixture is coated onto Titanium (Ti) particles or fibers to form a percolated coating layer near a surface of the PTL via impregnation/infiltration, electrophoretic deposition, or electroplating.
Resumen de: US2025257490A1
An electrochemical cell active hydrogen capture and release system including a first zone having a target predetermined concentration of hydrogen c1 and housing: an electrical component, an adsorbing electrode including a hydrogen adsorbing material, a counter electrode separated from the adsorbing electrode, and an electric circuit connecting the adsorbing and counter electrodes to apply electrical bias configured to facilitate capture and release of hydrogen gas from the adsorbing electrode; and a second zone having a target predetermined concentration of hydrogen c2, c2 being greater than c1.
Resumen de: US2025260232A1
A method for operating a power system in the present disclosure includes the steps of planning an output of a fuel cell system in a second period, which is later than a first period, in such a way as to make up differences between actual values of power demand and actual values of an output of a solar power generation system in the first period, causing, if a sum of the output of the solar power generation system and the output of the fuel cell system is larger than the power demand, the storage battery system to store power, and causing, if the sum of the output of the solar power generation system and the output of the fuel cell system is smaller than the power demand, the storage battery system to discharge power in such a way as to meet the power demand.
Resumen de: US2025260234A1
The present disclosure is directed to a system that employs fuel cell-based power generation for decentralized data centers that perform large, processing intensive tasks, such as training processes for large artificial intelligence models. The system utilizes various modules, such as energy storage systems, load banks, and other types of loads, to supplement power output by the fuel cells, as well as store any excess power generated by the fuel cell systems. As a result, swings in the power output by the fuel cell systems are minimized and the life of the fuel cell systems may be extended.
Resumen de: US2025260030A1
A fuel conducting device for conducting a fuel includes: a line which includes a core line and an encasement space surrounding the core line, the core line being configured for conducting the fuel, the encasement space being configured for being filled with a liquid encasement space medium; and a conveyor device which is fluidically connected with the encasement space, the conveyor device being configured for conveying the liquid encasement space medium into the encasement space.
Resumen de: US2025260035A1
Fuel cell system includes: fuel cell stack including anode flow path through which fuel gas containing hydrogen flows and cathode flow path through which oxidant gas containing oxygen flows; fuel gas supply unit supplying fuel gas to anode flow path; oxidant gas supply unit supplying oxidant gas to cathode flow path; detection unit detecting oxygen partial pressure of oxidant gas flowing through cathode flow path or oxygen partial pressure representative value that is physical quantity having correlation with oxygen partial pressure; current limiting circuit limiting output current from fuel cell stack to limit value or less; and ECU controlling current limiting circuit. ECU controls current limiting circuit to limit output current when oxygen partial pressure becomes equal to or less than predetermined pressure based on oxygen partial pressure or oxygen partial pressure representative value detected by detection unit.
Resumen de: US2025260034A1
A fuel cell system has a fuel cell unit that includes a fuel cell stack comprising a cathode and an anode, a cathode recirculation passage configured to divert a cathode exhaust flow to a cathode inlet line when reduction in oxygen partial pressure in an air flow fed to the cathode via the cathode inlet line is required, and an inert gas generating system configured to generate an inert gas to be supplied to the cathode inlet line when further reduction in oxygen partial pressure in the air flow is required. When the fuel cell system is or is expected to be operating with a reduced power demand, a value of a power output that is requested from the fuel cell system is compared to at least one threshold power level to determine whether to divert the cathode exhaust flow and/or the inert gas to the cathode inlet line.
Resumen de: US2025260040A1
A battery system includes an anode circuit configured to urge a flow of anolyte therethrough to an anode side of an electrode and a cathode circuit configured to urge a flow of catholyte therethrough to a cathode side of the electrode. An electric circuit is operably connected to the electrode to utilize electrical energy generated via a chemical reaction between the flow of anolyte and the flow of catholyte at the electrode. The flow of anolyte is driven through the anode circuit by thermal expansion and/or thermal contraction of one or more components of the anode circuit. The flow of catholyte is driven through the cathode circuit by thermal expansion and/or thermal contraction of one or more components of the cathode circuit.
Resumen de: US2025260036A1
A power generation planning method for a fuel cell device according to the present disclosure includes: receiving a power generation plan for a fuel cell device; storing the received power generation plan for the fuel cell device; and if a next power generation plan is not received and a remaining period of the stored power generation plan is shorter than a predetermined period, using data of the stored power generation plan to add a power generation plan so that the remaining period of the power generation plan is equal to or longer than the predetermined period.
Nº publicación: JP2025119173A 14/08/2025
Solicitante:
株式会社アイシン
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.
BOPI
Sede Electrónica
