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544
resultados
Última actualización
10/06/2025 [06:49:00]
Resultados 375 a 400 de 544
Resumen de: DE102024210558A1
Die vorliegende Offenbarung legt ein Verfahren zum Befeuchten einer Membranelektrodenbaugruppe und ein computerlesbares Speichermedium vor. Dieses Verfahren zum Befeuchten einer Membranelektrodenbaugruppe umfasst Schritt 102: Erwärmen der Membranelektrodenbaugruppe auf eine Temperatur höher oder gleich der Wasserdampftemperatur; Schritt 104: Einleiten des Wasserdampfs zu beiden Seiten der Membranelektrodenbaugruppe, so dass der Wasserdampf die Anodengasdiffusionsschicht und die Kathodengasdiffusionsschicht durchdringt und die katalysatorbeschichtete Membran erreicht; sowie Schritt 106: Durchströmen beider Seiten der Membranelektrodenbaugruppe mit einem Kühlmittel, damit der Wasserdampf, der die katalysatorbeschichtete Membran erreicht, zu flüssigem Wasser kondensiert. Das Verfahren zum Befeuchten einer Membranelektrodenbaugruppe gemäß der vorliegenden Offenbarung kann unabhängig ein wirksames Befeuchten der Membranelektrodenbaugruppe erreichen, ohne dass eine anschließende Kombination mit einer Entladungsaktivierung erforderlich ist, die üblicherweise auf dem Gebiet verwendet wird, wodurch die Zeit des Befeuchtens verkürzt und die Kosten für das Befeuchten gesenkt werden.
Resumen de: US2025174693A1
A method of manufacturing a polymer electrolyte membrane fuel cell includes preparing an intermediate sheet comprising a fibrous carbon material, obtaining carbon sheets by performing at least one of heat treatment or acid treatment on the intermediate sheet, and manufacturing unit cells comprising an electrolyte membrane. Electrodes are located on a first surface and a second surface of the electrolyte membrane, gas diffusion layers are located on the electrodes, and the carbon sheets are interposed between the electrodes and the gas diffusion layers. Electrochemical performance of the polymer electrolyte membrane fuel cell is improved by removing impurities, such as Fe particles and amorphous carbon, from carbon sheets through heat treatment or acid treatment.
Resumen de: WO2025110937A1
This invention is about a fabrication method for surface patterned microtubular solid oxide fuel cell, which is fabricated by winding a thin and continuous anode support strip manufactured by tape casting method on a patterned rod followed by co-pressing in order to obtain a higher efficiency from solid oxide fuel cells producing electrical energy.
Resumen de: WO2025111103A1
A method of coating a substrate for use in electrode production is provided. The method includes the steps of: (a) providing the substrate; (b) applying a dry electrode coating to the substrate to provide a coated substrate; and (c) curing the coated substrate with a laser system.
Resumen de: WO2025110857A1
The present application relates to a metal separator and a method for manufacturing same. According to the metal separator and the manufacturing method therefor of the present application, electrical conductivity and corrosion resistance can be excellent at the same time.
Resumen de: WO2025110302A1
Provided, according to one embodiment of the present invention, is an electrochemical regeneration device for a harmful substance adsorbent, comprising: a purification unit in which exhaust gas containing nitrogen oxides or sulfur oxides flows in via an exhaust gas inflow unit, a metal complex compound capable of adsorbing the nitrogen oxides or sulfur oxides flows in from an adsorbent storage unit into an adsorbent inflow unit, the exhaust gas and the metal complex compound are mixed in a mixing unit so that the exhaust gas is purified, the purified exhaust gas is discharged to the outside via a first discharge unit, and a contaminated metal complex compound is transferred to a regeneration unit via a second discharge unit; the regeneration unit in which hydrogen is oxidized in an anode unit and the contaminated metal complex compound is reduced and regenerated in a cathode unit; and a circulation unit in which the regenerated metal complex compound is transferred to the adsorbent storage unit to be reused.
Resumen de: US2025174693A1
A method of manufacturing a polymer electrolyte membrane fuel cell includes preparing an intermediate sheet comprising a fibrous carbon material, obtaining carbon sheets by performing at least one of heat treatment or acid treatment on the intermediate sheet, and manufacturing unit cells comprising an electrolyte membrane. Electrodes are located on a first surface and a second surface of the electrolyte membrane, gas diffusion layers are located on the electrodes, and the carbon sheets are interposed between the electrodes and the gas diffusion layers. Electrochemical performance of the polymer electrolyte membrane fuel cell is improved by removing impurities, such as Fe particles and amorphous carbon, from carbon sheets through heat treatment or acid treatment.
Resumen de: US2025174690A1
In a system where the hydrogen filling piping and the hydrogen supply piping are common, it is possible to promptly respond even when a problem occurs in the hydrogen filling side. Hydrogen tank, a hydrogen consumption device, and a hydrogen tank system having a hydrogen filling port, at least a portion of the piping from the pipe and the hydrogen tank to the hydrogen consuming apparatus from the hydrogen filling port to the hydrogen tank is common, the control device, before the hydrogen supply to the hydrogen consuming apparatus after the hydrogen charging to the hydrogen tank, determines by acquiring the internal pressure of the pipe in the common portion of the pipe, performs control for notifying.
Resumen de: US2025174692A1
Provided are methods, comprising applying a voltage to a first parent mixture comprising (a) a first material and (b) a second metal, the first material optionally comprising a metal having a standard reduction potential less than the standard hydrogen electrode (SHE) at 0 V vs SHE, the applying being performed in the presence of a counter electrode that comprises the second metal, the first parent mixture and the counter electrode contacting an electrolyte, the applying being performed under such conditions that the second metal is selectively removed from the first parent mixture so as to leave behind a nanoporous portion of the first material, the nanoporous portion of the first material comprising interconnected ligaments defining pores therebetween, the pores being open to the environment exterior to the nanoporous portion of the first material, the pores being characterized as having an average cross-section in the range of from about 5 to about 100 nm, the applying optionally being performed in an inert environment.
Resumen de: JP2025082823A
【課題】水素などの燃料ガスの漏れ検出のキャリブレーションをより精度よく実行する。【解決手段】燃料ガス漏れ検出装置は、燃料ガスの製造、輸送及び消費の少なくとも１つを行う燃料ガス処理装置の動作に関する動作情報に基づいて、燃料ガス処理装置が燃料ガスを製造、輸送または消費する動作を停止していることを推定する推定部と、燃料ガス処理装置に関係する環境に設けられた燃料ガスの濃度を検出する濃度センサを介して環境における燃料ガスの濃度を検出する濃度検出部と、燃料ガスの前記濃度に基づいて燃料ガス処理装置における燃料ガスの漏れを検出する漏れ検出部と、推定部が燃料ガス処理装置が燃料ガスを製造、輸送または消費する動作を停止していると推定している期間に濃度検出部により検出される燃料ガスの濃度に基づいて、濃度検出部による燃料ガスの濃度をキャリブレーションするキャリブレーション部とを備える。【選択図】図１
Resumen de: WO2025105224A1
The present invention provides: a carbon catalyst which has both high catalytic activity and high durability; an electrode; and a battery. The carbon catalyst has an L/La ratio of 18 or more, the L/La ratio being the ratio of the average carbon mesh surface size L, which is obtained by programmed-temperature desorption analysis in which the temperature can be increased to 1600°C, to the crystallite size La, which is obtained from a diffraction peak near a diffraction angle (2θ) of 43° in an X-ray diffraction pattern obtained by means of powder X-ray diffraction using a CuKα ray, and a ratio of the halogen atom concentration (atom%) to the carbon atom concentration (atom%) of 0.0005 or more as obtained by X-ray photoelectron spectroscopy.
Resumen de: JP2025082326A
【課題】燃料電池車両において、構成の複雑化及びコスト増を抑制しつつ、水素タンク内の水素ガスの温度を適正化する。【解決手段】燃料電池車両は、シャシフレーム２２よりも車幅方向Ｄ２の外方に設置された水素タンク３と、水素タンク３よりも車幅方向Ｄ２の外方に設置されたラジエータ４と、ラジエータ４に沿って設置されたファン７とを備えている。ファン７は、ラジエータ４から水素タンク３へ向かう第一方向Ｆ１及び水素タンク３からラジエータ４へ向かう第二方向Ｆ２の双方に送風可能であり、ラジエータ４に空気を誘導する。燃料電池車両は、水素タンク３内の水素ガスの昇温及び降温の要否を判定する判定部と、判定部で昇温が必要であると判定された場合にはファン７に第一方向Ｆ１へ送風させ、判定部で降温が必要であると判定された場合にはファン７に第二方向Ｆ２へ送風させる制御部とを更に備えている。【選択図】図４
Resumen de: JP2025082320A
【課題】セルの抵抗損失の増加を低減できるセルの使用方法、電解システム及びスタックを提供する。【解決手段】電解システムは、燃料極と、空気極と、燃料極と空気極とを隔離する電解質と、を含む固体電解質形のセルと、燃料極と空気極との間に電圧を印加する電源と、セルを加熱するヒータと、燃料極に水蒸気を含む燃料ガスを供給する供給装置と、ヒータ、電源および供給装置のうち少なくとも１つを制御する制御装置と、を備え、制御装置は、燃料ガスに含まれる水蒸気のうち電気分解に使われた水蒸気の利用率が６０％以上となるようにヒータ、電源および供給装置のうち少なくとも１つを制御する。【選択図】図１
Resumen de: US2025174681A1
In order to create a method for connecting, by a material joint, a first bipolar plate layer and a second bipolar plate layer of a bipolar plate for an electrochemical unit of an electrochemical device comprising a plurality of electrochemical units that follow one another along a stack direction, wherein the method comprises the following:bringing the first bipolar plate layer and the second bipolar plate layer into contact with one another at one or more contact regions of the bipolar plate layers;applying a clamping force to the first bipolar plate layer and the second bipolar plate layer by means of one or more clamping tools; andconnecting the first bipolar plate layer and the second bipolar plate layer by a material joint along a connection seam;which method makes it possible to reliably connect the two bipolar plate layers to one another without deteriorating the flow properties of the bipolar plate or impairing the supporting function of the bipolar plate for parts of the electrochemical units of the electrochemical device, it is proposed that at least one clamping tool is supported on a supporting face of at least one support structure of at least one of the bipolar plate layers, wherein the supporting face of the support structure, relative to the surface of the bipolar plate layer on which the support structure is formed, is offset in the contact region along the stack direction away from the respective other bipolar plate layer.
Resumen de: US2025174689A1
To provide a hydrogen consumption system capable of suppressing the generation of emission sound at the time of separation of a hydrogen tank, which is unlikely to cause defects. Detachable hydrogen tank, a fuel cell using hydrogen from the hydrogen tank as a fuel, connecting the hydrogen tank and the fuel cell, a pipe through which hydrogen flows, the opening and closing valve provided in the pipe, and a control device, when desorption of the hydrogen tank, the control device closes the on-off valve, the pressure in the pipe to calculate the amount of hydrogen consumed by the power generation of the fuel cell until less than 1 MPa, the current demand value of the fuel cell from the amount of hydrogen consumed, and, the current upper limit value of the fuel cell is calculated, when the actual current value is greater than the current upper limit value, the current request value performs control for changing to be equal to or less than the current upper limit value.
Resumen de: US2025174675A1
A membrane electrode assembly includes an anode, a cathode located adjacent to a cathode gas diffusion layer, and a proton exchange membrane (PEM) separating the anode from the cathode. The PEM includes at least one gas recombination layer, at least one an ionomer layer, and reinforcement layers. Each of the reinforcement layers include a pair of opposing surfaces with one of the at least one gas recombination layer or the at least one ionomer layer located adjacent to each of the pair of opposing surfaces.
Resumen de: US2025174691A1
A cooling system for a vehicle fuel cell system, the cooling system comprising a cooling circuit and a pressure equalization device for a coolant of the cooling circuit, wherein the pressure equalization device is manually adjustable to allow manual adjustment of the coolant pressure.
Resumen de: US2025174684A1
A membrane electrode assembly humidifying method and a computer readable storage medium are disclosed. The membrane electrode assembly humidifying method includes (i) heating a membrane electrode assembly to a temperature greater than or equal to that of water vapor, (ii) directing the water vapor to both sides of the membrane electrode assembly to pass the water vapor through an anodic gas diffusion layer and a cathodic gas diffusion layer to reach a catalyst-coated membrane, and (iii) allowing a coolant to flow through both sides of the membrane electrode assembly to condense the water vapor reaching the catalyst-coated membrane into liquid water. The membrane electrode assembly humidifying method achieves efficient wetting of the membrane electrode assembly alone without subsequently combining with discharge activation as commonly used in the art, thereby shortening wetting time and saving wetting costs.
Resumen de: AU2023381476A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Resumen de: US2025174688A1
An integrated hydrogen-electric engine includes a hydrogen fuel-cell; a hydrogen fuel source; an electric motor assembly disposed in electrical communication with the fuel-cell; an air compressor system configured to be driven by the motor assembly, and a cooling system having a heat exchanger radiator in a duct of the cooling system, and configured to direct an air stream including an air stream from the air compressor through the radiator, wherein an exhaust stream from a cathode side of the fuel-cell is fed via a flow control nozzle into the air stream in the cooling duct downstream of the radiator.
Resumen de: US2025174685A1
To provide a fuel cell system capable of improving sub-zero startability of the fuel cell system. A fuel cell system, wherein the fuel cell system comprises a fuel cell stack, a cooling water pump, a temperature sensor, and a control device; wherein the fuel cell stack comprises stacked unit cells; wherein the cooling water pump is configured to circulate cooling water for cooling the fuel cell stack; wherein the temperature sensor is configured to measure an outside air temperature when starting the fuel cell system; wherein the control device is configured to determine a degree of deterioration of the unit cells; and wherein, when starting the fuel cell system below freezing point, the control device is configured to determine a time for stopping the cooling water pump according to a degree of deterioration of the unit cells.
Resumen de: US2025174687A1
A fuel cell system includes a fuel cell stack including an anode configured to be supplied with hydrogen and a cathode configured to be supplied with air, a hydrogen supply line connected to an inlet of the anode and configured to supply the hydrogen to the fuel cell stack, and a bypass line including a first end portion connected to the hydrogen supply line and a second end portion connected to an outlet of the anode, obtaining an advantageous effect of ensuring performance and operational efficiency and improving stability and reliability.
Resumen de: US2025174683A1
A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air heat exchanger coolant loop for cooling the fuelcell system, and a secondary coolant loop comprising a fluid circuit configured to circulate a coolant in thermal contact with a phase-change material (PCM) in thermal contact with the fuel-cell to absorb heat from the fuel-cell. The secondary coolant loop includes a heat pump for cooling the PCM.
Resumen de: US2025174680A1
In order to create a bipolar plate for an electrochemical unit of an electrochemical device comprising a plurality of electrochemical units that follow one another along a stack direction, wherein the bipolar plate comprises the following:at least one medium passage opening, which forms a constituent part of a medium channel that extends along the stack direction through the electrochemical device;a sealing bead, which extends around the medium passage opening;a plurality of medium inlets, which are arranged on an inner side of the sealing bead facing toward the medium passage opening and which enable medium to flow into an interior space of the sealing bead; anda plurality of medium outlets, which are arranged on an outer side of the sealing bead facing away from the medium passage opening and which enable medium to flow out of the interior space of the sealing bead,in which bipolar plate the pressure loss that occurs when the medium flows from the medium passage opening through the medium inlets, the interior space of the sealing bead, and the medium outlets is as low as possible and wherein the medium preferably flows out of the medium outlets distributed as uniformly as possible over a medium inlet region of a medium distribution region, it is proposed that the total cross-section of the medium inlets that is able to be flowed through is at least 10% greater than the total cross-section of the medium outlets that is able to be flowed through.
Nº publicación: AU2024300424A1 29/05/2025
Solicitante:
VRB ENERGY INC
VRB ENERGY INC
Resumen de: WO2025020749A1
A bipolar plate air-tightness test device (100), comprising a fixing assembly (1) and a liquid placement plate (2), wherein the fixing assembly (1) comprises a bottom plate (11) and a cover plate (12); the bottom plate (11) and the cover plate (12) are arranged opposite each other, and a test space capable of accommodating a bipolar plate is provided between the bottom plate (11) and the cover plate (12); the bottom plate (1) or the cover plate (12) is provided with an air inlet (110) for air to enter the test space; the liquid placement plate (2) is arranged in the test space and is configured to be stacked on the plate surface of the bipolar plate facing away from the air inlet (110); the liquid placement plate (2) is provided with a plurality of liquid placement slots (20) capable of containing a liquid; and the liquid placement slots (20) penetrate the plate surfaces of the liquid placement plate (2) opposite each other.
BOPI
Sede Electrónica
