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428
resultados
Última actualización
04/08/2026 [06:47:00]
Resultados 100 a 125 de 428
Resumen de: WO2025119546A1
The invention relates to a membrane electrode assembly (1) comprising a polymer electrolyte membrane (2) and at least one electrode (3) arranged on the polymer electrolyte membrane (2), the membrane electrode assembly (1) comprising silver and/or a silver-containing compound (4). The invention also relates to: an electrolysis cell; a cell stack; an electrolysis system; a method (100) for manufacturing a membrane electrode assembly (1); and uses of the membrane electrode assembly (1).
Resumen de: EP4783270A1
A composite membrane includes: a porous substrate including a polyolefin microporous membrane; a silica material having a substrate containing silicon dioxide and having a sulfonic acid group on at least a surface of the substrate; and an ion exchange resin, in which a Gurley value is 1,000 sec/100 mL or more.
Resumen de: CN121843809A
Composite materials, methods of making composite materials, and methods of using composite materials are described herein. The composite material includes an incompatible polymer and/or other incompatible materials. The composite material can be used for various industrial applications. A composite material includes a first component including a first material having a fluid permeable portion and a second component including a second material that is incompatible with the first material; the first component and the second component are coupled at an interface, the interface comprising the second material contained in the fluid permeable portion of the first material, and the interface forming a third component separating at least a portion of the first component from the second component.
Resumen de: WO2025061848A1
The invention relates to a device (1) for separating flat elements (2) for the production of galvanic cells. The device (1) comprises a receiving unit (10) which is designed to receive a stack (3) of flat elements (2) having a plurality of flat elements (2) and to provide the flat elements (2), one after the other, to a separating region (20). The device (1) also comprises a gas supply unit (30) which is designed to supply a gas flow (21, 22) to the separating region (20), said gas flow generating a negative pressure in the separating region (20) in order to lift, by means of the generated negative pressure, a first flat element (4) from the stack (3) of flat elements (2). The device (1) is furthermore designed to exert a force (24) on the lifted first flat element (4), which causes the first flat element (4) to move out of the separating region (20) along a movement direction (6). The invention also relates to a method for separating flat elements (2) for the production of galvanic cells.
Resumen de: WO2025061384A1
The invention relates to a fuel cell system (1) for a mobile work machine, in particular an industrial truck, comprising a hydrogen-powered fuel cell device (4), a cooling system (11) which comprises a fan device (9), wherein the fan device (9) is designed to generate a cooling air flow for the fuel cell device (4), and a flushing system (13) which is designed to flush the fuel cell device (4). The fuel cell device (4) and the fan device (9) are secured to an assembly mount (3) which forms, between the fuel cell device (4) and the fan device (9), an exhaust air channel (10) of the cooling system (11) and a buffering storage chamber (12) of the flushing system (13), wherein the buffering storage chamber (12) is connected to the exhaust air channel (10) of the cooling system (11) by means of a throttle connection (35).
Resumen de: WO2025061385A1
The invention relates to a fuel cell system (1) for a mobile work machine, in particular an industrial truck, comprising a hydrogen-powered fuel cell device (4), a hydrogen tank (5) which is connected to the fuel cell device (4) by means of a supply line (6), and a flushing system (10) which is designed to flush the fuel cell device (4). The flushing system (10) has a flushing valve (11) which is arranged in a flushing line (12) connected to the fuel cell device (4). A pressure sensor (15) is provided which is designed to detect the pressure in the flushing line (12) between the fuel cell device (4) and the flushing valve (11). The pressure sensor (15) is connected to an electronic controller (20) which is designed to monitor the function of the flushing valve (11) using the measurement values of the pressure sensor (15).
Resumen de: WO2025061496A1
The invention relates to a fuel cell system (1) for a mobile work machine, in particular an industrial truck, comprising a hydrogen-powered fuel cell device (4) and a cooling system (11) which comprises a fan device (9), wherein the fan device (9) is designed to generate a cooling air flow for the fuel cell device (4). The fuel cell system (1) has an assembly mounting (3) in the form of a metal cast component to which the fuel cell device (4) and the fan device (9) are secured, wherein the assembly mounting is formed between the fuel cell device (4) and the fan device (9) as an air channel of the cooling system (11).
Resumen de: US2025092538A1
A bipolar plate for an electrochemical device may include, among other things, a conductive main body extending between first and second sides to define a cross-flow arrangement. The cross-flow arrangement may include first flow channels interspersed with first ribs along the first side, second flow channels interspersed with second ribs along the second side, and cross-over channels that may extend across the respective first ribs to interconnect the adjacent first flow channels. A method of forming a component for an electrochemical device is also disclosed.
Resumen de: EP4184622A2
A fuel cell system and a control method using the same. The fuel cell system includes a propeller wing of a flying object and connected to a rotor, a main radiator and a sub-radiator arranged so that heat of cooling water is dissipated by a downdraft generated by rotation of the propeller wing, and a controller to provide the cooling water to one or both of the main radiator and the sub-radiator based on an operation mode of the flying object.
Resumen de: WO2025061497A1
The invention relates to a fuel cell system (1) for a mobile work machine, in particular an industrial truck, comprising a housing (2), a fuel cell device (11), in particular a hydrogen-powered fuel cell device (11), a cooling system (16) which comprises a fan device (15), wherein the fan device (15) is designed to generate a cooling air flow for the fuel cell device (11), and a power voltage transformer (31). The power voltage transformer (31) is cooled by the cooling air flow for the fuel cell device (4).
Resumen de: WO2025062109A1
A method of recycling a waste catalyst coated membrane material comprising an ionomer, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising an iridium binary oxide, the method comprising: (a) treating the waste catalyst coated membrane material with a heated solution comprising an acid and an oxidant, wherein platinum, palladium and/or ruthenium is leached from the waste catalyst coated membrane material into the solution which is separated from remaining solid components of the waste catalyst coated membrane material; (b) treating the waste catalyst coated membrane material with a solvent to disperse the ionomer and recover a dispersion of ionomer, wherein the dispersion of the ionomer is performed before or after the leaching of the platinum, palladium and/or ruthenium in step (a); and (c) after recovery of the platinum, palladium and/or ruthenium and ionomer in steps (a) and (b), treating the residual waste catalyst coated membrane material to extract iridium by one of three specified processes.
Resumen de: GB2633625A
A turbocharger (fig.1,2), suitable for a fuel cell system, has a compressor wheel (fig.1,10) rotationally connected to a turbine wheel (fig.1,20), such as a radial or mixed-flow turbine, via a shaft (fig.1,8) rotating about a central axis (A), driven by a motor (fig.1,36) electro-magnetically connected to the shaft. A gas-lubricated thrust bearing (fig.1,32) reacts axial load applied to the shaft by the compressor and turbine. The turbine has a blade (fig.1,28) defining a leading edge 44 at an incline angle (φ) relative to a radial direction (r) from the central axis in a positive angular direction relative to the direction of rotation (ω) of the turbine in use. The blade may define a tip 50 between the leading edge and a trailing edge 46 where all points on the leading edge define a local blade incline angle between 10° to 80°, all within 5° of a mean blade incline angle. The leading edge may define a straight profile between a hub 42 and the tip, parallel to the central axis. The incline angle may be defined as: 185 – (100 x (compressor outer diameter (D1) / turbine outer diameter (D2))), where the ratio D1/D2 is between 1.2 to 1.5.
Resumen de: WO2025017296A1
According to the invention there is a method of preparing a catalyst layer for a fuel cell or an electrolyser. The method comprises the steps of: (i) providing a donor substrate having opposing first and second surfaces and providing a catalyst ink disposed as a layer on the second surface, wherein the catalyst ink comprises an electrocatalyst, an ion-conducting polymer, and a solvent; (ii) providing an acceptor substrate, wherein the second surface of the donor substrate faces towards the acceptor substrate; and (iii) irradiating the catalyst ink with laser radiation at a wavelength which is absorbed by the catalyst ink so as to transfer the catalyst ink from the donor substrate to the acceptor substrate.
Resumen de: EP4783271A2
A method of operating a fuel cell system includes providing an anode exhaust from a fuel cell stack to a water injector, supplying water to the water injector, and injecting the water from the water injector into the anode exhaust to vaporize the water and generate a humidified anode exhaust.
Resumen de: EP4783272A1
0001 An electrochemical system includes an electrochemical stack, a top endplate, a bottom endplate, and a tie rod spring assembly. The electrochemical stack is arranged between the top endplate and the bottom endplate. The tie rod spring assembly is configured to allow one or more components of the electrochemical stack to expand during use of the electrochemical stack. The tie rod spring assembly includes a housing extending between the bottom endplate and the top endplate, a washer stack arranged within the housing, and a plunger extending through the washer stack and configured to compress the washer stack within the housing in response to movement of the top endplate away from the bottom endplate.
Resumen de: EP4782578A1
0001 Verfahren zur Herstellung einer Membran-Dichtungsanordnung für eine elektrochemische Zelle, entsprechendes Zellelement und Elektrolysesystem 0002 Es wird ein Verfahren zur Herstellung einer Membran-Dichtungsanordnung für eine elektrochemische Zelle, insbesondere eine Elektrolysezelle angegeben. Das Verfahren umfasst die Schritte S1, Bereitstellen einer Membran bzw. einer Membran-Elektrodeneinheit, umfassend auf die Membran aufgebrachte Elektrodenschichten, welche im Betrieb der Zelle als Anoden- bzw. Kathodenkatalysator dienen, S2, Bereitstellen einer Dichtung, wobei die Dichtung ausgelegt ist, im Betrieb der elektrochemischen Zelle einen Anodenraum bzw. einen Kathodenraum zu dichten, und S3, stoffschlüssiges Verbinden der Membran bzw. Membran-Elektrodeneinheit und der Dichtung zu einer vorgefertigten Baugruppe. Weiterhin werden eine entsprechende Membran-Dichtungsanordnung, eine diese aufweisende elektrochemische Zelle, ein Zellelement und ein entsprechendes Elektrolysesystem angegeben.
Resumen de: JP2026122717A
0001 【課題】カーボン腐食耐久性の高い膜電極接合体を提供することを提供する。 【解決手段】膜電極接合体は、アノード側電極触媒層、固体高分子電解質膜、及び、カソード側電極触媒層をこの順に備える。アノード側電極触媒層及びカソード側電極触媒層は、それぞれ、触媒粒子、前記触媒粒子を担持したカーボン担体、及び、高分子電解質を含み、前記アノード側電極触媒層の体積密度が、前記カソード側電極触媒層の体積密度よりも小さい。 【選択図】図１
Resumen de: WO2025012755A1
An electrochemically-based carbon-dioxide gas separation system includes a stack of membrane electrode assemblies (MEAs), each of the MEAs including a membrane separator between a cathode and an anode. The cathode includes a charge-storage compound that reacts to form hydroxide and the anode includes a charge-storage compound that reacts to consume hydroxide or produce protons. A double-sided flow-field plate is placed between adjacent MEAs of the stack of electrochemical cells. First and last MEAs of the stack of MEAs are coupled to an end flow-field plate which is coupled to an end plate. Each of the cathodes and the anodes includes an electrical contact coupled to an electric current power supply.
Resumen de: WO2025018839A1
The present invention relates to a cartridge for a membrane humidifier and a membrane humidifier comprising same. The cartridge for a membrane humidifier comprises: a main body part having a space in which a plurality of hollow fiber membranes are accommodated; a first window formed on one side of the main body part and through which a wet gas is introduced; a second window formed on the other side of the main body part and through which the wet gas is discharged; and a recessed part provided on the bottom surface of the main body part and recessed upward toward the center of the main body part.
Resumen de: US20260204602A1
0000 A fuel cell system includes a housing and a fuel cell disposed inside the housing. A gas discharge hole and a hydrogen detection sensor are provided at an upper portion of the housing in a state in which the housing is installed, and an outside air introduction hole is provided at a lower portion of the housing in the state in which the housing is installed.
Resumen de: WO2025142287A1
Provided is an ion analysis device capable of performing measurements using a sample liquid with a smaller liquid volume than conventional methods. The ion analysis device comprises: a measurement electrode provided with a response unit which responds to ions; a reference electrode provided with a liquid junction section; a measurement flow path in which the response membrane and the liquid junction section are disposed; and a calculation unit that calculates the ion concentration in the sample liquid on the basis of the potential difference between the measurement electrode and the reference electrode, the device further comprising a hydrophilic section connecting the response unit and the liquid junction section inside the measurement flow path.
Resumen de: WO2025133091A1
The present invention relates to a method for manufacturing a metal substrate (10), in particular for an electrochemical cell, wherein a plurality of holes are provided in the metal substrate (10) by means of laser drilling. According to the invention, the metal substrate (10) is preloaded at least for a laser drilling step. The invention also relates to a method for producing an electrochemical cell, in particular a fuel cell or an electrolytic cell. According to the invention, in at least one production step, a metal substrate (10) is manufactured by means of the previously mentioned method. The present invention also relates to a metal substrate (10) which is manufactured in at least one production step by means of the previously mentioned method. The invention additionally relates to an electrochemical cell, in particular fuel cell or electrolytic cell, comprising a metal substrate which is manufactured in at least one production step by means of the previously mentioned method.
Resumen de: WO2025099101A1
The present invention relates to an apparatus and a method for processing gases.
Resumen de: US2025145769A1
0000 The present disclosure features a crosslinked arylimidazolium polymer membrane, the method of making, and uses thereof. The disclosed crosslinked arylimidazolium polymer membrane yields desirable mechanical properties, and can be incorporated into an electrochemical device such as a fuel cell, an electrolyzer, a redox flow battery, or another electrochemical device.
Nº publicación: CN122469669A 28/07/2026
Solicitante:
武汉科技大学
Resumen de: CN122469669A
本发明公开了一种固体氧化物燃料电池与燃气轮机混合系统的控制方法及混合系统，包括：根据所述混合系统的结构，构建SOFC‑GT模型；基于所述SOFC‑GT模型，确定总发电功率和负载功率指令之间的总功率误差；并利用混合因子将所述总功率误差分配为电堆目标功率和燃气轮机目标功率，所述混合因子根据所述总功率误差自适应调整；基于所述电堆目标功率和燃气轮机目标功率，以及SOFC侧温度约束、GT侧功率与压力约束、燃料与燃烧过程的安全保护与执行器可实现性约束，获得协调控制指令。本发明能够随工况实时协调SOFC与GT的功率输出比例，在负载波动、尾气热值变化及执行器限幅条件下仍能长期稳定、高效运行。
BOPI
Sede Electrónica
