Resumen de: DE102024120951A1
Die Erfindung betrifft eine polymerisierbare Zusammensetzung für ein Dichtelement, welches insbesondere ein Dichtelement für ein elektrochemisches System sein kann. Die polymerisierbare Zusammensetzung umfasst zumindest eine Polyisocyanatverbindung und zumindest eine polyfunktionelle Verbindung, wobei die zumindest eine Polyisocyanatverbindung und die zumindest eine polyfunktionelle Verbindung miteinander polyaddierbar sind.
Resumen de: WO2026023454A1
An electrochemical cell (10) is obtained by laminating an air electrode (12), a solid electrolyte layer (11) containing a solid electrolyte, and a fuel electrode (13) in the stated order. An intermediate layer (17) is provided between the air electrode (12) and the solid electrolyte layer (11) and/or between the fuel electrode (13) and the solid electrolyte layer (11). The solid electrolyte layer (11) has a main phase composed of an oxide ion conductor. At least one of the intermediate layers (17) includes a first component constituted of cerium oxide containing a rare earth element other than cerium, and a second component constituted of an oxide ion conductor different from the first component. The substance amount of zirconium in the intermediate layer (17) is 10 mol% or less based on total substance amount of all metal elements in the intermediate layer (17).
Resumen de: US20260024782A1
An electrochemical cell includes an electrolyte having a first side and an opposing second side, an oxygen electrode located on the first side of the electrolyte, a fuel electrode support, and an active fuel electrode located between the fuel electrode support and the second side of the electrolyte. The fuel electrode support includes a cermet containing a nickel containing phase and a ceramic phase. The ceramic phase may include 4 to 10 mol percent (mol %) yttria stabilized zirconia ((4-10)-YSZ)) or zirconia doped with at least one of alumina, ceria or titania. Alternatively or in addition, the nickel containing phase may include nickel doped with at least one of magnesium oxide, calcium oxide, or titanium oxide.
Resumen de: EP4684894A1
Die Erfindung betrifft ein Verfahren und eine Presse zum Einbringen eines Umformungsmusters in ein Blech (1) mit wenigstens einer Werkzeugeinheit (W1) einer Presse (P), insbesondere zum Herstellen einer Elektrolyseurplatte oder Brennstoffzellenplatte, wobei das Umformungsmuster in wenigstens einem Teilbereich (T) mehrere in wenigstens einer Musterrichtung (6.2) mit einem Musterabstand (6.3) nebeneinanderliegende identische Mustereinheiten (6.1) aufweist, und die Presse (P) zum Umformen nur des Teilbereichs (T) eine Werkzeugeinheit (W1) umfasst, in welcher ein oberer und ein unterer Umformungsstempel (2, 3) angeordnet sind, mit deren zusammenwirkenden Umformungsstrukturen in einem einzelnen Hub der Werkzeugeinheit (W1) wenigstens eine Mustereinheit (6.1) des Teilbereichs (T) in das zwischen den Umformungsstempeln (2, 3) geführte Blech (1) geformt wird, und das Blech (1) zwischen zwei aufeinander folgenden Hüben einer vorbestimmten Gesamtanzahl von Hüben der Werkzeugeinheit (W1) in einer der wenigstens einen Musterrichtung (6.2) entsprechenden Förderrichtung innerhalb der Werkzeugeinheit (W1) weitertransportiert wird, und in der Werkzeugeinheit (P1) mit jedem Hub der vorbestimmten Gesamtanzahl das in das Blech (1) eingebrachte Muster um wenigstens eine eingebrachte Mustereinheit (6.1) ergänzt wird bis nach der vorbestimmten Gesamtanzahl von Hüben der Teilbereich (T) des Umformungsmusters vervollständigt ist.
Resumen de: EP4685891A1
The present invention relates to a support assembly (100) for a fuel cell stack (101), comprising a retainer plate (104) comprising a mounting end (105) configured to mount the retainer plate (104) to a base plate (102) to arrange the retainer plate (104) parallel to a stacking direction (106) of the fuel cell stack (101) when the fuel cell stack (101) is disposed on the base plate (102); a connecting end (108) disposed at a predetermined distance from the mounting end (105) a stack mount (109) configured to attach to the fuel cell stack (101) between a first end (103-1) and a second end (103-2) of the fuel cell stack (101)., and attach to the connecting end (108) to connect the retainer plate (104) to the fuel cell stack (101) at the connecting end (108); wherein the retainer plate (104) is delimited by the mounting end (105) and the connecting end (108).
Resumen de: CN120936765A
A nonwoven manufactured in a wet laying or papermaking process, the nonwoven having from 70% to 100% of carbon fibers, the carbon fibers having a fiber length of between 0.01 mm and 12 mm.
Resumen de: DK202530654A1
The present disclosure relates to a solid-state polycrystal with elevated ionic conductivity that provides an electrolyte for solid-state batteries including particular potassium ion batteries. The solid-state polycrystal is stable to atmospheric air and its manufacture follows a cheap and scalable process.
Resumen de: WO2024194305A1
The invention relates to a method for operating a fuel cell having a "ping-pong" architecture, in which two groups (10, 20) of electrochemical cells are alternately supplied. Advantageously, a purge phase is carried out in synchronization with a displacement of the non-reactive fluids accumulated in the form of a so-called "plug" (B) aggregate, when said plug (B) is, at least, partly located in the discharge lines (120, 220) of the fluidic circuit (4).
Resumen de: CN120826801A
A device for assembling a cell stack (7), in particular a fuel cell stack, comprises a processing device (2), which comprises a gripper (6) and a positioning and pressure system (10), which is designed to compress the partially completed cell stack (7). The positioning and pressing system (10) comprises a lifting device (11) arranged to accommodate the cell stack (7) in any production stage and a transverse fixing device (12) located above the lifting device (11), the transverse fixing device consisting of a plurality of components (13, 14), wherein the components (13, 14) are provided for bearing against the cell stack (7) in vertical and horizontal directions and can be adjusted and fixed in both directions.
Resumen de: WO2024193980A1
The invention relates to a CO2 adsorption system (10) with a CO2 adsorption device (12) for separating CO2 from a supplied air stream (14) by means of an adsorption-desorption process, and with a fuel cell (22), in particular an alkaline fuel cell (22) or PEM fuel cell for electrochemical energy conversion, wherein the CO2 adsorption device (12) and the fuel cell (22) can be or are fluidically coupled to one another by means of a first coupling unit, in particular an air line, and can be or are thermally coupled to one another by means of a second coupling unit, in particular a temperature control link, for heating the CO2 adsorption device (12).
Resumen de: WO2024193936A1
The invention relates to a method and an apparatus for transferring a blank cut (2) onto a web-type counter element, wherein the blank cut (2) is held on a flat holding surface (100) of a gripping device (10) and is positioned relative to the web-type counter element in a handover position by means of the gripping device (10), the web-type counter element is brought to the holding surface (100) by means of an application device, the application device is moved along the holding surface (100) so that the web-type counter element is laminated onto the blank cut (2) by means of the application device moved along the holding surface (100), and the gripping device (10) releases the blank cut (2) after the counter element has been laminated onto the blank cut (2).
Resumen de: CN120826360A
The invention relates to a handling device (1) for separating flat objects (4) of a first type and flat objects (5) of a second type, which are arranged in an alternating stack and are not completely overlapped, the invention relates to a device for clamping flat objects (4, 5) of a first type, comprising at least one main clamp (7) for clamping one of the flat objects (4) of the first type and at least one auxiliary clamp (12) for additionally clamping one of the flat objects (5) of the second type, the different clamps (7, 12) being fixed on a common support structure (6, 8) and being displaceable relative to each other in the vertical direction, according to the invention, the different flat objects (4, 5) are arranged such that when the different flat objects (4, 5) are lifted, an increased distance can be produced between these objects (4, 5).
Resumen de: WO2024193812A1
A fuel cell vehicle comprising a fuel cell system, a cooling system, and a control system comprising processing circuitry configured to control operation of the fuel cell system. The processing circuitry is configured to estimate a duration of a stopover of the vehicle; and, responsive to determining that the fuel cell system needs to be shut down during the stopover, that a freeze preparation of the fuel cell system is required, that the vehicle is expected to be occupied by a vehicle user during the stopover and/or that is possible to perform the freeze preparation at a time of the shutdown of the fuel cell system, perform a forced freeze preparation of the fuel cell system at the time of the shutdown of the fuel cell system. An auxiliary cooling subsystem of the cooling system may be used to assist a primary cooling subsystem in cooling the fuel cell system.
Resumen de: EP4685383A2
According to the present invention, a method for diagnosing failure in a pressure gauge of a hydrogen filling system, comprises:sequentially filling a plurality of fuel cell vehicles powered by hydrogen fuel with the hydrogen fuel from an accumulator, in which the hydrogen fuel is accumulated, via a dispenser;acquiring pressure values measured by a plurality of pressure gauges arranged at different positions in a flow passage of the hydrogen fuel between the accumulator and an outlet of the dispenser;determining whether a deviation among the pressure values falls within a threshold range based on the acquired pressure values; andoutputting a result of the determination.
Resumen de: EP4685889A1
The present disclosure relates to methods and associated apparatuses for controlling the power of a fuel cell stack. The method comprises determining to change the output power of the fuel cell stack to a target power value. The method further comprises determining the temperature of the fuel cell stack. Additionally, the method comprises adjusting the output power of the fuel cell stack when the temperature of the fuel cell stack is greater than or equal to a predetermined temperature threshold. In this manner, the adjustment of the output power of the fuel cell stack can be adapted to the temperature of the fuel cell stack, thereby enabling the amount of water generated by the fuel cell stack to vary with temperature. Thus, the humidity of the membrane electrode in the fuel cell stack can be maintained within a reasonable range at different temperatures, thereby ensuring the operational efficiency of the fuel cell system.
Resumen de: EP4685886A2
A fuel cell system includes a hotbox, a stack of fuel cells located in the hotbox and configured to generate power and an anode exhaust, an anode tail gas oxidizer (ATO) located in the hotbox and configured to oxidize a portion of the anode exhaust, a recycling conduit located outside of the hotbox and configured to receive the anode exhaust output from the hotbox, a fuel conduit assembly configured to provide fuel to the stack, and an ATO conduit assembly concentrically surrounding the fuel conduit assembly and configured to receive a first portion of the anode exhaust diverted from the recycling conduit and to provide the first portion of the anode exhaust to the ATO.
Resumen de: WO2024193811A1
A fuel cell vehicle (10) comprising a fuel cell system (20) and a control system (30) comprising processing circuitry configured to control operation of a fuel cell system (20). The processing circuitry is configured to estimate a duration of a stopover of the fuel cell vehicle (10) when a request for the stopover/parking of the fuel cell vehicle (10) is detected; determine whether the fuel cell system (20) needs to be shut down during the stopover; responsive to determining that the fuel cell system (20) needs to be shut down during the stopover and responsive to determining that a freeze preparation of the fuel cell system (20) is required during the stopover; and, responsive to determining that it is possible to reduce the temperature of the fuel cell system (20) below a first threshold level at the time of the shutdown of the fuel cell system (20), perform an early freeze preparation at the time of the shutdown of the fuel cell system (20).
Resumen de: EP4685272A2
L'invention se rapporte à une Cellule électrochimique (CEC) comprenant une première électrode (A0) de forme cylindrique et une deuxième électrode (C1) de forme cylindrique, la première électrode (A0) et la deuxième électrode (C1) partageant un même axe de révolution, le diamètre de la première électrode étant supérieur au diamètre de la deuxième électrode, de sorte que le volume (V) défini entre la face interne de la première électrode et la face externe de la deuxième électrode puisse recevoir un électrolyte, la cellule (CEC) comprenant des moyens d'obturation (D2, D3, CFo) de la base supérieure et de la base inférieure de la cellule assurant l'étanchéité de l'électrolyte, la cellule (CEC) comprenant de plus des moyens de production d'un champ magnétique (B), ledit champ magnétique étant perpendiculaire au champ électrique produit entre la première électrode (A0) et la deuxième électrode (C1).
Resumen de: EP4685885A1
An electrochemical cell (310) includes an integrated membrane assembly (312), a first bipolar plate (316) arranged on a first side of the integrated membrane assembly, and a second bipolar plate (318) arranged on a second side of the integrated membrane assembly. The integrated membrane assembly includes a first gas diffusion layer (324), a second gas diffusion layer (326) spaced apart from the first gas diffusion layer, a membrane (322) located between the first gas diffusion layer and the second gas diffusion layer, and a plurality of bond members (314) adhered to the first gas diffusion layer or the second gas diffusion layer and respective frames (328, 330). The first bipolar plate is formed to include at least one first pressure relief channel (332), and the second bipolar plate is formed to include at least one second pressure relief channel (332).
Resumen de: AU2024272724A1
Deuterated anion exchange polymers, methods of making the deuterated anion exchange polymers, anion exchange membranes comprising the deuterated anion exchange polymers, and membrane electrode assemblies comprising the deuterated anion exchange polymers are described. The deuterated anion exchange polymers comprise a plurality of repeating units of formula (I).
Resumen de: EP4685887A1
The present invention relates to a mid-case of a fuel cell humidifier, and to a fuel cell humidifier, the mid-case comprising: a mid-case body accommodating at least one cartridge containing a hollow fiber membrane bundle; a mid-case inlet through which a first gas flows into the mid-case body; a mid-case outlet, distanced from the mid-case inlet in the first axial direction, through which the first gas is discharged from the mid-case body; a partition wall, disposed inside the mid-case body, for partitioning the interior of the mid-case body into an inflow space into which the first gas flows in, and an outflow space from which the first gas is discharged; and an additional partition wall disposed inside the mid-case body between the mid-case inlet and partition wall in the first axial direction, wherein the partition wall is positioned so that the separation distance is shorter to the mid-case outlet than to the mid-case inlet in the first axial direction, and the additional partition wall is provided with a through-hole through which the first gas is passed.
Resumen de: WO2024194864A1
Methods of preparing reinforced anion exchange membranes are provided, as well as produced membranes and corresponding devices utilizing the membranes. Methods comprise compounding a halide -functionalized polymer (selected to react with amines to yield anion-conducting quaternary amine groups) with thermoplastic polymer(s) (selected to support and/or reinforce the membrane), and with copolymer(s) (selected to enhance the compounding of the polymers) - by heating, mixing and cooling - to form blend pellets, extruding the blend pellets to form a blend film, cross-linking polymer(s), and functionalizing the blend film to prepare the anion exchange membrane. Functionalization comprises a quaternization step comprising reacting halogen groups of the first polymer with tertiary amines to produce the quaternary amine groups with ion-exchange functionality. Reinforced anion exchange membranes are provided, which are produced by the disclosed methods, functionalized to yield a membrane for fuel cell(s), electrolyzer(s), reversible electrochemical device(s), desalination unit(s), etc.
Resumen de: EP4685888A1
A system and method for controlling operation of a fuel cell system of a fuel cell vehicle are provided. The method comprises estimating an expected duration of a shutdown of the fuel cell system; determining a time until a next freeze preparation of the fuel cell system when a hydrogen protection time at the anode side is to be extended during the shutdown; in response to determining that the expected duration of the shutdown is shorter than the time until the freeze preparation, enabling a hydrogen refill at the anode side; and, in response to determining that the expected duration of the shutdown is longer than the time until the freeze preparation, and in response to determining that power produced by the fuel cell system during a cathode oxygen depletion to be performed after the freeze preparation cannot be supplied to at least one power consumer, disabling the hydrogen refill.
Resumen de: EP4685890A1
The present invention relates to a water electrolysis device comprising a plurality of nanopillars. Each nanopillar has a vertical extension in relation to a plane of extension of a substrate supporting the nanopillars. Further, each nanopillar comprises a plurality of quantum dot segments of In<sub>x</sub>Ga<sub>1-x</sub>N alloy, wherein each quantum dot segment is interposed along the vertical extension between barrier segments of GaN, wherein each quantum dot segment has a thickness of less than or equal to 20 nm along the vertical extension. Moreover, each nanopillar comprises a p-side portion constituting a photoanode and an n-side portion constituting a photocathode, wherein the photoanode comprises at least one quantum dot segment and the photocathode comprises at least one quantum dot segment, wherein the photoanode and the photocathode are separated by a depletion portion comprising GaN. A system for water electrolysis comprising such a water electrolysis device is also presented.
Nº publicación: CN223842887U 27/01/2026
Solicitante:
南昌大学
Resumen de: CN223842887U
本实用新型公开了一种质子交换膜燃料电池多蛇形流道,包括若干条气体流道,以及设于所述气体流道中的绕流元件;气体流道,任一气体流道至少包括三段沿第一方向平行设置的第一流道,和至少两段沿第二方向平行设置的第二流道,任一所述第二流道连接相邻的所述第一流道;所述第二流道连通平行设置的第一流道,以形成用于液气混合物流通的通道,至少一处所述第一流道和所述第二流道的连接处设有绕流元件。本实用新型,通过在第一流道和第二流道的连接处设置绕流元件,形成局部湍流或扰动,使积累在流道或气体扩散层表面的水珠受到扰动更容易被带出流道,从而避免水堵现象的产生,保证了气体通道的畅通。