Resumen de: JP2025166347A
【課題】バッテリが高温になることを抑制する。【解決手段】車両は、エンジンの出力を第1MGと第2MGに分割する動力分割装置を備えたハイブリッド車両である。第1MGは、主に、エンジンに駆動され発電する。第2MGは、第1MGの発電電力、バッテリの放電電力によって、駆動輪を駆動するとともに、車両の減速時に回生発電を行う。車両の走行時、バッテリからの放電が第1所定期間継続し、カウンタC1が閾値s1を超えると(時刻t2)、第1所定時間、駆動力を維持した状態で、バッテリの充電を行うよう、エンジン、第1MG、および第2MGを制御する。バッテリの分極が解消して、内部抵抗の増加が抑止され、バッテリが高温になることを抑制できる。【選択図】図2
Resumen de: WO2025230473A1
The present disclosure relates broadly to ammonia electrochemical cells. The ammonia electrolysis cell may comprise: a chamber for containing an electrolyte; two electrodes disposed within the chamber; and an anion exchange membrane disposed between the electrodes, wherein each electrode comprises a bifunctional catalyst having ammonia oxidation reaction activity and hydrogen evolution reaction activity, and wherein each electrode is capable of alternating in polarity when subjected to an alternating potential. There is also disclosed herein a method of operating an ammonia electrolysis cell as well as the use of an ammonia electrolysis cell to produce hydrogen from ammonia.
Resumen de: WO2025231104A1
A contained hydrogen generation system ("system") comprises a high-pressure containment vessel ("vessel"), one or more proton-exchange membrane ("PEM") cells, an oxygen-water separator, and a passive dual regulator with relative differential venting ("regulator"). The vessel defines a hydrogen plenum. The PEM and the oxygen-water separator are disposed in the hydrogen plenum. The regulator includes a hydrogen fluid path in fluid communication with the hydrogen plenum, an exterior hydrogen storage vessel, and an exterior of the vessel, and also includes an oxygen fluid path in fluid communication with the oxygen-water separator, an exterior oxygen storage vessel, and an exterior of the vessel. The regulator regulates pressure imbalances between an oxygen-side of the system and a hydrogen-side of the system, and vents oxygen and hydrogen to an exterior of the vessel to allow collection of both hydrogen and oxygen and avoid rupture of a PEM in the one or more PEM cells.
Resumen de: WO2025230573A2
Aspects of the present disclosure generally relate to processes for forming multimetallic alloy nanostructures. In an aspect, a process for forming hollow multimetallic nanostructures is provided. The process includes reacting a first mixture comprising a copper-amine, a phosphine, and a nickel-amine to form Ni-Cu polyhedral nanoparticles; and reacting a second mixture comprising the Ni-Cu polyhedral nanoparticles and a platinum-amine to form Pt-Ni-Cu polyhedral nanoparticles. The process further includes reacting a third mixture comprising the Pt-Ni-Cu polyhedral nanoparticles and a Group 8-11 metal-amine to form Pt-Ni-Cu-M polyhedral nanoparticles, M is a Group 8-11 metal that is different from Pt, Ni, and Cu. The process further includes reacting a fourth mixture comprising the Pt-Ni-Cu-M polyhedral nanoparticles and an acid to form hollow multimetallic nanostructures.
Resumen de: WO2025230139A1
A battery system comprising a cell structure for a solid oxide cell, a sealing structure applied thereto, and manufacturing methods therefor are disclosed. The disclosed battery system comprising a cell structure for a solid oxide cell may comprise a stack structure, wherein the stack structure can include: a first separation plate; a second separation plate spaced apart from the first separation plate; a cell structure for a solid oxide cell, which is disposed between the first and second separation plates and comprises a fuel electrode corresponding to an anode, an air electrode corresponding to a cathode, and an electrolyte layer disposed between the fuel electrode and the air electrode; an air electrode current collector disposed between the cell structure and the second separation plate; a first sealing gasket disposed between the first and second separation plates so as to encompass the outer surface of the cell structure; and a second sealing gasket disposed between the first and second separation plates so as to encompass the outer surface of the air electrode current collector.
Resumen de: WO2025230199A1
The present invention relates to a solid oxide fuel cell module capable of connecting a plurality of fuel cell stacks, the module comprising: a plurality of fuel cell stacks in which a plurality of solid oxide fuel cell unit cells is stacked; an upper cover plate coupled to an upper side of a fuel cell stack and configured to discharge fuel passing through the fuel cell stack and supply air to the fuel cell stack; and a lower cover plate coupled to a lower side of the fuel cell stack and configured to supply fuel to the fuel cell stack and discharge air passing through the fuel cell stack.
Resumen de: WO2025230090A1
The present invention relates to a membrane-electrode assembly for a fuel cell, a manufacturing method therefor, and a fuel cell comprising the membrane-electrode assembly, the membrane-electrode assembly comprising: a polymer electrolyte membrane; a first layer formed on a predetermined region of any one surface of the polymer electrolyte membrane; and a second layer for covering the outer surface of the first layer and the region of one surface of the polymer electrolyte membrane on which the first layer is not formed, wherein the first layer includes platelet carbon nanofibers, and the second layer includes a catalyst carrier, a catalyst supported on the catalyst carrier and an ionomer. According to the present invention, performance and durability can be improved by comprising the first layer.
Resumen de: WO2025230073A1
The present invention relates to a composition for a fuel cell catalyst layer, a method for producing same, an electrode for a fuel cell comprising same, and a fuel cell. By comprising a composite of a heat-dissipating material and an ionomer, the composition for a fuel cell catalyst layer can effectively reduce temperature rise in an electrode due to high thermal conductivity of the heat-dissipating material, and as a result, the composition for a fuel cell catalyst layer may provide an electrode for a fuel cell that can prevent degradation in durability and performance of the electrode caused by heat.
Resumen de: WO2025229992A1
This electrochemical cell is provided with an intermediate layer, a metal plate, and an element part. The intermediate layer has a first surface and a second surface positioned on the opposite side of the first surface. The metal plate faces the first surface. The element part faces the second surface. The intermediate layer includes one or more voids located apart from the first surface and the second surface. The voids have a maximum length of 10 μm or more.
Resumen de: WO2025229944A1
This connection member comprises: a first plate-shaped member that has a first surface and a second surface which is positioned on the opposite side from the first surface; a flow path member; a first current collection part; a first connection part; and a second plate-shaped member. The first plate-shaped member has a first end, which is positioned at one end part in a first direction that is along the first surface, and a second end, which is positioned at the other end part in the first direction. The first current collection part is positioned so as to face the first surface. The first connection part seamlessly connects the first end and the first current collection part. The second plate-shaped member is positioned between the first surface and the first current collection part and is separate from the first surface and the first current collection part. An end part of the second plate-shaped member positioned on the first end side is joined to the first connection part.
Resumen de: WO2025228399A1
Provided in the present invention are a polyaryl isatin-based cationic polymer, a preparation method therefor, and the use thereof. The cationic polymer is a novel polyaryl isatin scaffold synthesized by a Friedel-Crafts polycondensation reaction under the catalysis of a superacid. An isatin structural unit in the cationic polymer possesses a very large molecular volume, which can improve the dimensional stability and mechanical properties of the cationic polymer after film formation; in addition, the N site of a cation grafted onto the cationic polymer is located on the para-position of the isatin structural unit, and such a remote grafting strategy can further improve the alkali resistance stability of the cation in the film. Therefore, the cationic polymer of the present invention exhibits extremely high ionic conductivity and mechanical and chemical stability, and can thus be used as an anion exchange membrane or an anion exchange polymer adhesive for alkaline water electrolysis, alkaline fuel cells, carbon dioxide reduction and flow batteries.
Resumen de: US2025340178A1
A refuse vehicle includes a chassis, a body coupled to the chassis and including a refuse container for receiving and storing refuse therein, and a fuel cell system coupled to at least one of the chassis or the body. The fuel cell system includes a plurality of primary components: a fuel storage volume, a fuel cell, an energy storage device, and a motor. The fuel cell system further includes a subsystem module including a housing for coupling at least two of the primary components to the chassis or the body.
Resumen de: US2025341007A1
An electrochemical cell comprises a first electrode, a second electrode, and a proton-conducting membrane between the first electrode and the second electrode. The first electrode comprises a layered perovskite having the general formula: DAB2O5+δ, wherein D consists of two or more lanthanide elements; A consists of one or more of Sr and Ba; B consists of one or more of Co, Fe, Ni, Cu, Zn, Mn, Cr, and Nd; and δ is an oxygen deficit. The second electrode comprises a cermet material including at least one metal and at least one perovskite. Related structures, apparatuses, systems, and methods are also described.
Resumen de: US2025340699A1
The present invention discloses sulfonated polyphenylene (phenylene) ether random copolymer, preparation method and application thereof, which has a general chemical formula:wherein, X is 2 to 5 arylene groups or nitrogen-containing heteroarylene groups; Y is 2 to 5 arylene groups or nitrogen-containing heteroarylene groups, C(CF3)Ph, C(Ph)2; Z is direct bond, S, C(CF3)2, C3H6, SO2, CO2, C(CF3)Ph, C(Ph)2, 0 to 5 arylene groups or nitrogen-containing heteroarylene groups; R1 is 0 or more of halogen, NO2, CN, CF3, CH3 or SO3H; R2 is 1 to 8 aryl groups or nitrogen-containing heteroaryl groups optionally substituted with 0 to 8 substituents of halogen, NO2, CN, CF3, CH3 or SO3H; R3 is 0 to 4 substituents of halogen, NO2, CN, CF3, CH3, SO3H, aryl or nitrogen-containing heteroaryl; R4 is 0 or more of halogen, CH3, NO2, CN or CF3, and R5 is 0 or more of halogen, CH3, NO2, CN or CF3, or 0 to 8 aryl or nitrogen-containing heteroaryl substituted with 0 to 8 substituents of halogen, CH3, NO2, CN or CF3.Whereby, the polyphenyl polymer has hydrophilic part and dense sulfonic acid side chains, membrane made by the polymer with polyphenyl structure does have strong mechanical properties and maintains good dimensional stability when in contact with water for a long time. Through controlling the polymerization equivalent ratio of Z, the ratio between the hydrophilic and hydrophobic segments can be precisely adjusted.
Resumen de: US2025339851A1
Disclosed are fibers comprising a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers are obtained by electrospinning or forcespinning a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers can be arranged into webs suitable for the preparation of composite membranes. In particular composite ion exchange membranes suitable for use in proton exchange fuel cells or filtration devices.
Resumen de: US2025343085A1
A fuel cell system includes a housing, a fuel cell inside the housing, and a stack monitoring and controlling device mounted on the housing. The stack monitoring and controlling device includes an enclosure and cover coupled to the enclosure to define a cavity. The cover defines an inner cover surface. The inner cover surface partially defines the cavity. The stack monitoring and controlling device also includes a metal-oxide-semiconductor field-effect transistor field-effect transistor (MOSFET) disposed in the cavity between the enclosure and the cover. The inner cover surface of the cover faces the MOSFET. The MOSFET includes a body and one or more pins protruding from the body. The system also includes an electrical insulator coupled to the inner cover surface. The electrical insulator defines an inner insulator surface facing the MOSFET. The pin is spaced apart from the electrical insulator to define an air gap.
Resumen de: US2025343250A1
The present disclosure relates to a metallic bipolar plate for an electrochemical system, wherein the bipolar plate comprises two separator plates and each of the separator plates has a flow field, wherein at least one of the flow fields has a coating on at least one surface of the associated separator plate, at least in sections, wherein the coating comprises: at least 50% by weight and/or at most 95% by weight of a graphite-carbon black mixture, and at least 5% by weight and/or at most 31% by weight of one binder or of a combination of several binders.
Resumen de: US2025343254A1
An electrochemical assembly, comprising: a plurality of electrochemical cells arranged to form an electrochemical stack having a first end and a second end; a first endcap disposed at the first end of the electrochemical stack, and a second endcap disposed at the second end of the electrochemical stack, and at least one of the endcaps being arranged to provide a fluidic connection to the electrochemical stack; wherein the first and second endcaps are secured to the electrochemical stack by a fibre-reinforced casing that extends around at least a portion of the electrochemical stack and at least a portion of each endcap such that a fluidic seal is formed between the electrochemical stack and each endcap.
Resumen de: US2025343253A1
Fuel cell system comprising at least one fuel cell stack and a reformer unit, wherein the reformer unit is adapted to convert hydrocarbon fuel into a hydrogen rich gas. The reformer unit comprises an oxidizing agent inlet, a hydrocarbon fuel inlet, a reaction chamber, where the oxidation agent and the hydrocarbon fuel are reacted to hydrogen rich gas and byproducts, and a reaction chamber outlet for exiting the hydrogen rich gas. The fuel cell system further comprises at least one housing, which is adapted to accommodate at least one hydrogen leaking unit, particularly the at least one fuel cell stack. The housing has an air inlet for flushing the housing from potentially leakage hydrogen by means of inlet air and an air outlet for exiting the potentially hydrogen contaminated air from the housing. The air outlet is directly or indirectly in fluid connection with the oxidizing agent.
Resumen de: US2025343249A1
An electrochemical cell is disclosed. The electrochemical cell may include a first electrode including carbon nanotubes and one or more catalysts formulated to accelerate one or more non-oxidative deprotonation reactions to produce at least one hydrocarbon compound, H+, and e− from at least one other hydrocarbon compound, a second electrode, and an electrolyte between the first electrode and the second electrode. The carbon nanotubes may be oriented at least substantially vertically relative to the electrolyte. Related methods and systems are disclosed.
Resumen de: US2025343251A1
The disclosure relates to a separator plate for an electrochemical system, comprising a first layer having a first outer side and a first inner side, and a second layer having a second outer side and a second inner side. A first channel-web structure having a plurality of channels and webs separating the channels is formed on the first outer side. The first channel-web structure forms a complementarily-shaped second channel-web structure on the first inner side. The second inner side faces the complementarily-shaped second channel-web structure and defines therewith a plurality of internal channels. A plurality of openings per internal channel each define a fluid connection between a respective internal channel and the first channel-web structure on the first outer side. The number of openings within a first half of a total channel length of a respective internal channel is less than within a second half of the total channel length.
Resumen de: DE102024204212A1
Verfahren zur Montage eines Zellenstapels (200) aus einer Vielzahl von elektrochemischen Zellen (100). Die elektrochemischen Zellen (100) werden übereinander gestapelt und bilden so den Zellenstapel (200). Die Zellen (100) weisen je eine ionenleitende Membran (2) auf. Die Membranen (2) werden in einem gequollenen Zustand verbaut.
Resumen de: DE102024112680A1
Um eine elektrochemische Vorrichtung, umfassend mehrere elektrochemische Einheiten,wobei jede elektrochemische Einheit mindestens einen Medienseparator und mindestens einen Rahmen, an welchem der Medienseparator gehalten ist, umfasst, zu schaffen, bei welcher die Rahmen der elektrochemischen Einheiten in großserientauglicher Weise herstellbar sind und dennoch eine ausreichende chemische Beständigkeit gegenüber den Betriebsmedien der elektrochemischen Vorrichtung und eine ausreichende mechanische Festigkeit zur Aufnahme der im Betrieb auftretenden Druckbelastungen in axialer Richtung und in radialer Richtung aufzunehmen, wird vorgeschlagen, dass der Rahmen einen Medienführungsbereich, der mit mindestens einem Betriebsmedium der elektrochemischen Vorrichtung in Kontakt kommt, und einen Stabilisierungsbereich, der nicht mit einem Betriebsmedium der elektrochemischen Vorrichtung in Kontakt kommt, umfasst,wobei der Medienführungsbereich ein erstes Kunststoffmaterial und der Stabilisierungsbereich ein zweites Kunststoffmaterial umfasst,wobei das erste Kunststoffmaterial und das zweite Kunststoffmaterial voneinander verschieden sind,wobei das erste Kunststoffmaterial eine höhere chemische Beständigkeit gegenüber mindestens einem der Betriebsmedien aufweist als das zweite Kunststoffmaterial undwobei das zweite Kunststoffmaterial eine höhere Festigkeit, eine höhere Steifigkeit und/oder eine höhere Kriechbeständigkeit aufweist als das erste Kunststoffmaterial.
Resumen de: DE102024112657A1
Die Erfindung betrifft eine Energieversorgungsvorrichtung (40) zur Energieversorgung bei einer industriellen Automatisierungsanlage, umfassend:- einen Energiewandler (50) zur Erzeugung von elektrischer Energie, der eine Anordnung von einer oder mehreren Brennstoffzellen (51) aufweist, um chemische Reaktionsenergie in die elektrische Energie umzuwandeln,
Nº publicación: DE102025111713A1 06/11/2025
Solicitante:
FEV EUROPE GMBH [DE]
FEV GROUP GMBH [DE]
FEV Europe GmbH,
FEV Group GmbH
Resumen de: DE102025111713A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Systems (8) mit einer Brennstoffzelle (3), umfassend die Schritte:Messen von Betriebsparametern der Brennstoffzelle (3);Bestimmen einer Emissionsrate von Fluorid und/oder Fluorverbindungen aus einer Membran der Brennstoffzelle (3) anhand der gemessenen Betriebsparameter; undBetreiben des Systems (8) basierend auf der Emissionsrate.Ferner betrifft die Erfindung ein Fahrzeug (1) mit einer Brennstoffzelle (3).