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544
resultados
Última actualización
10/06/2025 [06:49:00]
Resultados 400 a 425 de 544
Resumen de: WO2025011260A1
Provided in the present disclosure are a bipolar plate for a flow battery, and a flow battery. The flow battery comprises a first carbon felt, a second carbon felt and a bipolar plate, wherein the bipolar plate is located between the first carbon felt and the second carbon felt; grooves are provided on the surfaces of the bipolar plate that are in contact with the first carbon felt and the second carbon felt, and the grooves are filled with a binder; and fibers extending outwards from the grooves are provided in the grooves. In the technical solution provided in the present disclosure, a fiber layer is formed on a surface of an obtained flocked bipolar plate. The fiber layer, serving as a contact surface with a carbon felt, can significantly increase the friction force between the carbon felt and the bipolar plate, such that the carbon felt does not slide or shift after 5000 charge-discharge cycles in a stack. Moreover, the contact resistance between the carbon felt and the bipolar plate can also be reduced, the reduction rate of which is 30% or above, thereby increasing the energy efficiency of the stack by 3% to 5%.
Resumen de: WO2024251016A1
A capacity recovery method for a vanadium redox flow battery, comprising: S100: calibrating comprehensive valences of vanadium ions in a battery electrolyte storage tank after the discharge capacity is attenuated, and charging a battery; S200, adding a reducing agent into a battery positive-electrode electrolyte storage tank; S300, performing self-circulation on the battery positive-electrode electrolyte storage tank to complete a chemical reduction reaction; S400, calibrating again the comprehensive valences of the vanadium ions in the battery electrolyte storage tank, and measuring the residual amount of the reducing agent; and S500, supplementing the reducing agent into the battery positive-electrode electrolyte storage tank, and repeating steps S300-S400 until the average value of the comprehensive valences of the vanadium ions in the battery electrolyte storage tank recovers to 3.5. By using a liquid reducing agent, sampling is simple, and the reaction rate of the reducing agent and a positive electrode electrolyte containing more pentavalent vanadium is high; and the valence reduction based reaction degree and the residual amount of the reducing agent are strictly monitored, thereby reducing the risk of affecting the stack performance due to the residual reducing agent.
Resumen de: US2025174678A1
The present disclosure relates to a manufacturing apparatus for a separator for a fuel cell and may include a primary mold including an upper mold in which an upper molding part is formed and a lower mold in which a lower molding part is formed to form a flow path on a material; a secondary mold including a pressing roll rotating with a predetermined pressing force and a roll die in which a lower aligning part is formed, and re-pressing a molded product formed by pressing the material in the primary mold to planarize a top surface of a side wall of the flow path formed in the molded product.
Resumen de: US2025174674A1
The present disclosure relates to fuel cells comprising composite catalytic material comprising (N-doped) carbon nanofoam, catalytic metal and an electrically conductive material comprising an electrically conductive polymer. The fuel cells can advantageously operate at lower temperatures than standard fuel cells.
Resumen de: US2025174673A1
A solid oxide fuel cell includes a solid oxide electrolyte layer, an anode electrode layer placed on a first surface of the solid oxide electrolyte layer, a first cathode electrode layer placed on a second surface of the solid oxide electrolyte layer, and a second cathode electrode layer placed on the first cathode electrode layer and having lower hardness than the first cathode electrode layer.
Resumen de: WO2025081857A1
The present disclosure provides an all-vanadium flow battery system. A positive electrode electrolyte is stored in a positive electrode electrolyte storage tank of the system, and a vanadium positive electrode active substance is added into the positive electrode electrolyte; a negative electrode electrolyte is stored in a negative electrode electrolyte storage tank, and a vanadium negative electrode active substance is added into the negative electrode electrolyte; the positive electrode electrolyte storage tank comprises a flexible conductive material loaded with a Prussian blue analogue; the proportion of an oxygen-containing functional group in the flexible conductive material is 30%-50%; the content of the Prussian blue analogue in the positive electrode electrolyte storage tank ranges from 4 g/L to 480 g/L. By adopting an electrochemical deposition method, Prussian blue analogue synthesis is carried out on the surface of the flexible conductive material in the present disclosure, and the synthesis efficiency is high; activated carbon felt or carbon cloth can deposit more Prussian blue analogues, improve the energy storage upper limit, and reduce the vanadium ion concentration in an electrolyte, thereby improving the electrolyte stability.
Resumen de: US2025171663A1
An object of the present invention is to provide an adhesive composition having an excellent adhesive force even in the presence of hot water in an assembly in which at least one of two or more members to be bonded to each other via the adhesive composition is a low-polarity metal member, and an adhesion method. The present invention relates to an adhesive composition and an adhesion method for bonding a metal member. The adhesive composition contains a polyolefin (A) component having an acidic group and/or an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g. The metal member has a ratio of a dipole term in surface free energy of 0.01% to 5.0%.
Resumen de: US2025171158A1
A collapsible fuel cell for an aircraft includes an inner textile support substrate having an outer surface including one or more textile crease lines forming a fold pattern and an outer shell layer conforming to the outer surface of the textile support substrate to form the fuel cell. The fuel cell is collapsible along the fold pattern formed by the one or more textile crease lines.
Resumen de: US2025171652A1
Methods of continuously dispersing catalyst inks for use in coating processes are described. The catalyst ink is continuously mixed in a high shear mixing unit, and the mixed ink is sonicated in a sonication unit. Part of the sonicated catalyst ink is returned to the high shear mixing unit. The method provides continuous mixing and sonicating of the catalyst ink. The mixed and sonicated ink can then be applied to a substrate in a defined pattern.
Resumen de: US2025170923A1
The present disclosure relates to a method of counteracting degradation of a fuel cell system of a vehicle. A processor device is used for performing the method. The processor device estimates a standstill average power needs of the vehicle by estimating the average power that the vehicle will consume during a predetermined time period during which the vehicle will be at a standstill. An idling power extractable from the fuel cell system is determined. Said idling power is compared with said estimated standstill average power needs. Based on the comparison, a duration for which the fuel cell system should be kept turned on to fulfil said estimated standstill average power needs is determined. The fuel cell system is controlled to be kept turned on for the determined duration.
Resumen de: US2025170534A1
A humidification system for a process gas uses a plurality of differently sized steam eductors in order to control a relative humidity of a process gas.
Resumen de: US2025172632A1
An electrical contacting element for a bipolar plate is disclosed. The contacting element has the form of a folded sheet metal clamp, wherein a planar lower clamp part is integrally connected to a likewise planar upper clamp part by a connecting region that is linear when viewed from above, and is spring-loaded against the upper clamp part. The side lines that belong to the planar clamp parts and are opposite the connecting region are designed in such a way that, both when the bottom side of the sheet metal clamp is viewed from above and when the top side of the sheet metal clamp is viewed from above, one of the clamp parts is partially covered by the other clamp part.
Resumen de: US2025174992A1
The present disclosure relates to a power system comprising: a power unit for supplying power to a load in a building; an electric vehicle charging unit for receiving power from the power unit and charging an electric vehicle to be charged; and a control unit for controlling operations of the power unit and the electric vehicle charging unit by monitoring consumption of the load and charging of the electric vehicle. The power unit includes: a first supply unit receiving commercial power from a system connected to the building; and one or more second supply units installed in the building to self-supply power.
Resumen de: US2025174770A1
Systems and methods of the various embodiments may provide device architectures for batteries. In various embodiments, these may be primary or secondary batteries. In various embodiments these devices may be useful for energy storage. Various embodiments may provide a battery including an Oxygen Reduction Reaction (ORR) electrode, an Oxygen Evolution Reaction (OER) electrode, a metal electrode; and an electrolyte separating the ORR electrode and the OER electrode from the metal electrode.
Resumen de: US2025174679A1
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:an anode gas passage opening;a cathode gas passage opening;an electrochemically active region of the bipolar plate, which comprises an anode gas flow field and a cathode gas flow field;an anode gas distribution region, by way of which the anode gas passage opening is in fluidic connection with the anode gas flow field; anda cathode gas distribution region, by way of which the cathode gas passage opening is in fluidic connection with the cathode gas flow field;wherein the anode gas distribution region and/or the cathode gas distribution region comprises distribution structures, which delimit distribution channels formed between two respective distribution structures, in which bipolar plate the anode gas is distributed an uniformly as possible to the distribution channels of the anode gas distribution region and/or the cathode gas is distributed as uniformly as possible to the distribution channels of the cathode gas distribution region, it is proposed that the anode gas distribution region and/or the cathode gas distribution region each has at least one bypass channel, by way of which two mutually adjacent distribution channels are in fluidic connection with one another.
Resumen de: US2025174677A1
The present disclosure provides a hybrid membrane based on UiO66 modification, a preparation method of the hybrid membrane, and a use of the hybrid membrane in a flow battery. A matrix of the hybrid membrane is doped with carbonized UiO-66, and a surface of the carbonized UiO-66 is further modified with β-CD.
Resumen de: US2025174682A1
A cooling system for at least two fuel cell systems is provided. The cooling system has a single cooling circuit for the fuel cell systems and a pressure equalization device for a coolant of the cooling circuit. The pressure equalization device is adapted to be connected to an exhaust of a single one of the fuel cell systems to increase the pressure of the coolant.
Resumen de: US2025174686A1
Embodiments of the present disclosure include a vehicle or powertrain with a fuel cell stack system including a first fuel flow stream and a second fuel flow stream mixing to form a third fuel flow stream. the third fuel flow stream flowing through an anode including an anode inlet and an anode outlet in a fuel cell stack. a first air flow stream flowing through a cathode including a cathode inlet and a cathode outlet in the fuel cell stack. at least two physical or virtual sensors located in the system, and a controller.
Resumen de: US2025174676A1
A carbon carrier has excellent oxidation resistance and a carbon structure suitable for supporting catalyst metal particles, and a metal-supported catalyst, an electrode, and a battery each including the same. The carbon carrier has a ratio of an intensity of a 2D band having a peak top in a vicinity of a Raman shift of 2,680 cm−1 to an intensity of a G band having a peak top in a vicinity of a Raman shift of 1,600 cm−1 of 0.36 or more and 1.0 or less in a Raman spectrum obtained by Raman spectroscopy, the carbon carrier having a ratio of a crystallite size La obtained from a (110) diffraction line of carbon in an X-ray diffraction pattern obtained by powder X-ray diffraction using a CuKα ray to a crystallite size Lc obtained from a (002) diffraction line of carbon in the X-ray diffraction pattern of 2.50 or more.
Resumen de: US2025174695A1
Provided is an electrolyte for an organic redox flow battery, which is capable of increasing the solubility of an organic electrode active material with respect to an electrolyte through micelle solubilization. According to an aspect of the present invention, provided is an electrolyte for an organic redox flow battery, which includes an organic electrode active material, a solvent, and a surfactant.
Resumen de: US2025174694A1
A method for forming an electrochemical device includes forming a first electrolyte layer on a first electrode. A second electrolyte layer is formed on the first electrode, the first electrode positioned between the first electrolyte layer and the second electrolyte layer. A chemical composition and a thickness of the first electrolyte layer and the second electrolyte layer are substantially the same. The method includes heating the first electrolyte layer and the second electrolyte layer and removing the first electrolyte layer. A second electrode is formed on the second electrolyte layer; and the second electrode is heated to form an electrochemical device.
Resumen de: JP2025081878A
【課題】燃料電池車両において、緊急時に水素ガスを適切に放出する。【解決手段】燃料電池車両１は、燃料電池へ供給される水素ガスを貯留する水素タンク２と、水素タンク２から延設された上流パイプ３と、上流パイプ３から通常姿勢における上下左右の四方向に分岐した放出通路４とを備える。緊急時に、上流パイプ３には水素タンク２から水素ガスが流れ、放出通路４は水素ガスを外部へ放出する。燃料電池車両１は、緊急時に、放出通路４が路面５０と反対方向へ水素ガスを放出するように放出通路４の開閉状態を切り替える弁体５を更に備えている。【選択図】図１
Resumen de: WO2024017941A2
The present invention relates to a layered structure comprising a composite thin single layer deposited over a base electrolyte layer for an electrochemical device. The present invention further relates to a process for manufacturing said layered structure and uses thereof.
Resumen de: JP2025082301A
【課題】安全性に優れ、温和な条件で発電可能な燃料電池システムおよびその発電方法を提供する。【解決手段】燃料極と、前記燃料極の対極と、前記燃料極と前記対極との間に設けられた電解質層とを有する直接型燃料電池を用いた発電方法であって、前記燃料極に直接供給されるケイ素系化合物の電気化学反応により電気を発生させることを含み、前記ケイ素系化合物は、－ＳｉＨ基と、Ｓｉ－Ｃ結合およびＳｉ－Ｏ結合から選択される結合とを有する水素キャリアである、方法を提供する。【選択図】図１
Nº publicación: DE102023211861A1 28/05/2025
Solicitante:
BOSCH GMBH ROBERT [DE]
Robert Bosch Gesellschaft mit beschr\u00E4nkter Haftung
Resumen de: DE102023211861A1
Die Erfindung geht aus von einer Netzeinspeisevorrichtung für ein Brennstoffzellensystem zu einem elektrischen Anschluss des Brennstoffzellensystems (12; 12a; 12b; 12c; 12d; 12e; 12f; 12g) an ein elektrisches Stromnetz (14a; 14b; 14c; 14d; 14e; 14f; 14g), mit zumindest einer Wandlereinheit (16a; 16b; 16c; 16d; 16e; 16f; 16g) zu einer stromnetzkonformen Anpassung einer von dem Brennstoffzellensystem bereitgestellten elektrischen Spannung.Es wird vorgeschlagen, dass die Netzeinspeisevorrichtung zumindest eine Leistungsstabilisierungseinheit (18a; 18b; 18c; 18d; 18e; 18f; 18g) zu einer, insbesondere betragsmäßigen und/oder anteilsmäßigen, Anpassung einer von der Wandlereinheit (18a; 18b; 18c; 18d; 18e; 18f; 18g) an das Stromnetz (14a; 14b; 14c; 14d; 14e; 14f; 14g) ausgegebenen elektrischen Leistung, insbesondere in Abhängigkeit von zumindest einem Netzparameter des elektrischen Stromnetzes (14a; 14b; 14c; 14d; 14e; 14f; 14g), umfasst.
BOPI
Sede Electrónica
