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CONTROL METHOD FOR CONTROLLING AT LEAST ONE OPERATING PARAMETER OF A FUEL CELL SYSTEM HAVING AT LEAST TWO FUEL CELL STACKS

Resumen de: WO2025255595A1

The present invention relates to a control method for controlling at least one operating parameter (BP) of a fuel cell system (100) having at least two fuel cell stacks (110), the fuel cell stacks (110) each having a fuel section (120) and an air section (130), wherein the following steps are provided: specifying a target value (SW) for the operating parameter (BP) to be controlled; specifying a control position (SP) of an actuator (140) common to at least two fuel cell stacks (110) for adjusting the operating parameter (BP) to be controlled on the basis of the specified target value (SW) for the at least two fuel cell stacks (110); detecting a respective at least one stack actual value (STI) of the operating parameter (BP) to be controlled for each fuel cell stack (110); determining a common system actual value (SYI) for the at least two fuel cell stacks (110) on the basis of the detected stack actual values (STI) by means of a combination relationship (KB) between the detected stack actual values (STI) and the common system actual value (SYI); determining a control deviation (RA) of the determined system actual value (SYI) from the predefined target value (SW); adapting the predefined control position (SP) on the basis of the control deviation (RA).

CARTRIDGE, COMPENSATION SYSTEM, AND FUEL CELL

Resumen de: WO2025257180A1

The invention relates to a cartridge (1), comprising: a foot (20) that slides relative to a base (10) in a compression direction (X1); a spring (30) that applies a pressing force (F30) to the foot (20) in the compression direction (X1); a joining means (17) for joining the foot (20) to an end plate (53), for bearing against a stack (51) of electrochemical cells (52) in the compression direction (X1) and while the base (10) is retained in the opposite direction; and a holding system (40) with a primary retaining portion (41) which is secured to the base (10), and a secondary retaining portion (42) which is secured to the foot (20), the primary (41) and secondary (42) portions being configured to be coupled in order to prevent the foot (20) from sliding, and to be decoupled in order to allow the foot (20) to slide.

FUEL CELL SYSTEM, METHOD FOR OPERATING A FUEL CELL SYSTEM, AND VEHICLE COMPRISING A FUEL CELL SYSTEM

Resumen de: WO2025256857A1

The invention relates to a method for operating a fuel cell system (301) in a vehicle (300), wherein the method has the steps of: determining the power demand on the fuel cell system (301) for a future period of time, selecting an operating mode (M1.1, M1.2, M1.3) from a number of operating modes (M1.1, M1.2, M1.3) on the basis of the determined power demand if the determined power demand is less than a specified threshold value, setting an air system pilot control and the cathode exhaust gas recirculation rate of the fuel cell system (301) according to the selected operating mode (M1.1, M1.2, M1.3), the number of operating modes (M1.1, M1.2, M1.3) comprising: a first operating mode (M1.1) in which more electrical energy is provided by the fuel cell system (301) than is consumed by the fuel cell system (301), a second operating mode (M1.2) in which the same amount of electrical energy is provided by the fuel cell system (301) as is consumed by the fuel cell system (301), and a third operating mode (M1.3) in which less electrical energy is provided by the fuel cell system (301) than is consumed by the fuel cell system (301).

BIPOLAR PLATE AND ELECTROCHEMICAL ENERGY CONVERTER

Resumen de: WO2025256718A1

The present invention relates to a bipolar plate (10) for an electrochemical energy converter (100), the bipolar plate (10) comprising a main body (11) with a first side (12) and an opposing second side (14), wherein flow channels (20) of the bipolar plate (10) are formed on the first side (12) and on the second side (14) at least partially by the main body (11), wherein the bipolar plate (10) comprises connecting flaps (30) which connect the flow channels (20) of the first side (12) with the flow channels (20) of the second side (14), wherein the connecting flaps (30) are integrally formed from the main body (11). Furthermore, the invention relates to an electrochemical energy converter (100) comprising at least one bipolar plate (10).

A METHOD OF REFINING AND RECYCLING IRIDIUM

Resumen de: AU2024329942A1

A method of refining/recycling iridium, the method comprising: adding ammonium chloride to an iridium containing refining/recycling solution comprising iridium dissolved in hydrochloric acid in a first precipitation vessel to precipitate ammonium hexachloroiridate; filtering the precipitated ammonium hexachloroiridate; washing the filtered ammonium hexachloroiridate with a wash mixture of ammonium chloride and water; and recycling the wash mixture of ammonium chloride and water back into a second precipitation vessel, which may be the same vessel as the first precipitation vessel or a different precipitation vessel, to precipitate any iridium dissolved in the wash mixture during washing of the ammonia hexachloroiridate.

METHOD OF RECYCLING WASTE IONOMER MEMBRANE

Resumen de: AU2024339449A1

A method of recycling a waste ionomer membrane comprising platinum, palladium and/or ruthenium disposed within an interior region of the waste ionomer membrane, the method comprising: (a) treating the waste ionomer membrane with a solution comprising an acid and an oxidant, wherein platinum, palladium and/or ruthenium is leached from the interior region of the waste ionomer membrane into the solution; and (b) separating the solution comprising leached platinum, palladium and/or ruthenium from the waste ionomer membrane which remains in solid form during the leaching process.

RECYCLING OF WASTE SOLID IONOMER COMPONENTS

Resumen de: AU2024315466A1

A method of forming an ionomer blend during a process of recycling waste solid ionomer material, the method comprising: heating the waste solid ionomer material in a solvent to disperse the waste solid ionomer material; and mixing ionomer from the waste solid ionomer material with a second ionomer material to co-mingle ionomer from the waste solid ionomer material with ionomer from the second ionomer material forming a co-mingled ionomer blend during the process of recycling the waste solid ionomer material.

PRECIPITATE CONTROL, ACTIVE SPECIES CROSS-OVER MANAGEMENT AND REBALANCING STRATEGIES FOR REDOX FLOW BATTERIES

Resumen de: AU2024314248A1

Redox flow battery systems are described. The redox flow battery systems include a main cell and a three-chambered rebalancing cell. The system can optionally also include a two-chambered rebalancing cell. The three-chambered rebalancing cell and two-chambered rebalancing cell can be operated alternately, in parallel, or in series. Methods of operating the redox flow battery systems are also described.

MULTI-TIER INTEGRATED POWER-TO-AMMONIA SYSTEMS

Resumen de: AU2024281599A1

A multi-tier integrated power-to-ammonia system includes a converter for generating ammonia and heat through a reaction involving a compressed mixture of hydrogen and nitrogen gases. The system includes a steam generator that can generate steam using the heat from the reaction, and a reversible solid-oxide system in fluid communication with the steam generator that can separate the steam into oxygen gas and hydrogen gas.

Determining State of Charge, Molarity and Oxidation State in a Flow Battery and Controlling a Flow Battery

Resumen de: AU2025271216A1

Abstract A system and method for measuring the state of charge (SOC), molarity and concentrations of active species and oxidation state of a flow battery, such as a Vanadium Redox Flow Battery (VRFB). A reference electrolyte is circulated through a reference cell in conjunction with one or both charged electrolytes (in respective conduits). The electric potential of charged electrolyte relative to a reference electrolyte is measured. This measurement is directly convertible to SOC. An equation allowing for the calculation of the molarity, concentration of vanadium ions on both anolyte and catholyte sides of the flow battery and oxidation state is also taught. A flow battery may be controlled in response to such a determination, for example to manage oxidation state, or to charge or discharge a battery. ov o v

ELECTRICALLY CONDUCTIVE MEMBER, ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE HOUSING DEVICE

Resumen de: US2025385275A1

An electrically conductive member includes a base member and a polycrystalline film. The base member contains chromium. The polycrystalline film includes a plurality of chromium oxide particles and a grain boundary phase located among the plurality of chromium oxide particles, and is located on the base member. The polycrystalline film contains a first element having a first ionization energy and a free energy of formation of oxide per mole of oxygen that are smaller than those of chromium. The grain boundary phase has a content percentage of the first element that is higher than that of the plurality of chromium oxide particles.

FUEL CELLS AND ELECTROLYZER ELECTRODES CONTAINING NON-IONOMERIC BINDERS

Resumen de: US2025385272A1

An electrode of an electrochemical device includes a carbon-based support structure, an ionically conductive material dispersed on and within the support structure, a catalyst dispersed on and within the support structure, and a non-ionomeric hydrocarbon-based binder dispersed on the support structure. The ionically conductive material enables the transport of protons across the electrode, the catalyst promotes a chemical reaction of a fuel received at the electrode, and the binder retains the electrode. The electrode may be included in an electrochemical device, such as a fuel cell.

METHODS AND COMPOSITIONS FOR NANOSCALE SURFACE COATINGS FOR ENHANCING DURABILITY AND PERFORMANCE OF SOLID OXIDE CELLS

Resumen de: US2025385274A1

In one aspect, the disclosure relates to SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone, e.g., an LSM oxygen electrode. The disclosed SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone are prepared using a disclosed Atomic Layer Deposition (ALD) coating method. The SOC cells comprising a conformal nanolayer comprising PrOx on an oxygen electrode backbone can further comprise an additional layer material, e.g., MnOx and/or CoOx, thereon or therein the conformal nanolayer comprising PrOx. The performance of the disclosed SOC cells is improved compared to baseline cells lacking the disclosed ALD coating on an oxygen electrode backbone, e.g., an LSM oxygen electrode. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

POST HUMIDIFIER FUEL CELL STACK HUMIDIFICATION SYSTEM

Resumen de: US2025385286A1

A method for controlling the humidity of a fuel cell stack air inlet, a fuel cell system in which the method may be exercised, and a fuel cell system controller adapted to execute the method in a fuel cell system. The method for controlling the humidity includes detecting the humidity of air entering a fuel cell stack air inlet downstream a humidifier, detecting the water level of a water reservoir, and using the detected values to control the humidity of air entering the fuel cell stack by controlling a supply of water from the water reservoir to a spray nozzle downstream the humidifier.

FLUID COOLING SYSTEM

Resumen de: US2025385285A1

A fluid cooling system for cooling a fuel cell system is provided. A fluid valve controls a flow ratio between a first input port of the fluid valve and a second input port of the fluid valve to provide a predetermined wanted output temperature at an output port of the fluid valve. The processing circuitry is configured to repeatedly: obtain a first input temperature at the first input port and a second input temperature at the second input port; determine an open loop flow ratio based on the first input temperature and the second input temperature; obtain an output temperature at the output port; determine a corrective closed loop flow ratio based on the output temperature and the predetermined wanted output temperature; combine the open loop flow ratio and the corrective closed loop flow ratio to provide a combined flow ratio; and control a position of the fluid valve based on the combined flow ratio.

水素充填方法、水素供給装置

Resumen de: US2025377076A1

A method of filling at least one movable body with hydrogen from a hydrogen supply apparatus that is provided with hydrogen supply lines and nozzle, said at least one movable body being provided with a tank system that has receptacles, and hydrogen conduits coming together, the hydrogen supply apparatus is configured to be able to perform first and second filling controls, the first filling control being to be performed when the nozzles are connected to the receptacles, the second filling control being to be performed when one of the nozzles is connected to one of the receptacles, the method including: before performing the first or second filling control, performing first prefilling via one of the nozzles; and performing the first filling control when pressure in rest of the hydrogen supply lines that is/are connected to other of the nozzles via which no first prefilling is performed increases.

燃料電池用セパレータの製造方法

Resumen de: JP2025184380A

【課題】外形の位置決め穴を精度よく形成したセパレータの製造方法を提供する。【解決手段】炭素材料と、樹脂とを少なくとも含有する複合材料シート１０を少なくとも含む燃料電池用セパレータの製造方法であって、複合材料シート１０の各構成材料を容器１００に加え、容器１００内にて各構成材料を堆積させて複合材料シート１０を形成する抄紙工程と、燃料電池用セパレータの外形を成形するために、抄紙工程で形成された複合材料シート１０をプレスする加圧成形工程とを含み、加圧成形工程では、複合材料シート１０の周囲において厚さ方向に貫通する凸部を備える金型を使用し、抄紙工程において、複合材料シート１０に凸部の挿通用の第１位置決め穴１５を設けるための穴開け棒１５０を容器１００内部の各構成材料の堆積開始面に接触するように載置して各構成材料を堆積させ、第１位置決め穴１５の開いた複合材料シート１０を形成する、製造方法である。【選択図】図３

微生物燃料電池

Resumen de: JP2025184209A

【課題】微生物燃料電池のカソード上での水生成反応を促進する。【解決手段】有機物及び微生物を含む第１液が収容されるアノード槽と、アノード槽とプロトン交換膜を隔てて設けられ、第２液が収容されるカソード槽とを備える微生物燃料電池において、第２液中の酸素濃度を高めるための外部機構を設ける。外部機構は、カソード槽の外部において第２液を循環させる外部循環路と、外部循環路内の第２液を吸い込んで外部循環路に送り出す電動ポンプと、電動ポンプから送り出された第２液に酸素を混入させる酸素混入器と、を備える。【選択図】図１

SEPARATOR FOR FUEL CELL

Resumen de: US2025385277A1

A separator for a fuel cell includes a body having ribs that extend parallel to each other. The ribs protrude from the body to come into contact with a gas diffusion layer of a membrane electrode gas diffusion layer assembly. The space between the ribs and between the separator and the gas diffusion layer defines a passage through which gas is supplied to and discharged from the membrane electrode gas diffusion layer assembly. An end face of each rib in a protruding direction is parallel to the gas diffusion layer. A protrusion protrudes from the end face of each rib toward the gas diffusion layer. The protrusion of each rib extends in a width direction of the rib to reach the passage.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE HOUSING DEVICE

Resumen de: US2025385278A1

An electrochemical cell includes an element portion, a support body made of metal, and an oxide layer. The element portion includes a solid electrolyte layer, and a first electrode and a second electrode with the solid electrolyte layer therebetween. The support body contains chromium and supports the element portion. The oxide layer is located between the first electrode and the support body and contains a metal component. The oxide layer has a porosity lower than that of the first electrode.

CROSS-FLOW THREE-WAY AMMONIA-TO-AIR HEAT EXCHANGER FOR AIR CONDITIONING APPLICATIONS ON AN AIRCRAFT

Resumen de: US2025385282A1

An aircraft system for pre-heating ammonia that flows toward an ammonia fuel cell, the system having: an ammonia-to-air heat exchanger, having: a first section through which RAM air flows, a second section through which the ammonia flows and a third section between the first and second sections which includes a solvent, wherein heat energy is transferred from the RAM air to the ammonia via the solvent; and an ammonia sensor that provides an alert when ammonia is detected in the solvent.

DIFFUSION LAYER FOR AN ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL, AND METHOD FOR PRODUCING A DIFFUSION LAYER

Resumen de: US2025385279A1

A fiber-based diffusion layer (5, 6) for an electrochemical cell (100), wherein the diffusion layer (5, 6) has a cut edge (55). The diffusion layer (5, 6) has, adjacent to the cut edge (55), an adhesive strip (60).

ENERGY GENERATION DEVICE

Resumen de: US2025385283A1

An energy generation device may include a first fuel cell pack including a plurality of fuel cell modules configured to use hydrogen as fuel, a storage part configured to store exhaust gas discharged from the first fuel cell pack and containing hydrogen, and a resupply line configured to supply the exhaust gas from the storage part to the first fuel cell pack or an external fuel cell pack.

SEPARATOR ASSEMBLY TO PREVENT CORROSION OF SEPARATOR EDGE AND FUEL CELL STACK INCLUDING THE SAME

Resumen de: US2025385280A1

A separator assembly to prevent corrosion of a separator edge may include a first separator and a second separator having at least one manifold through which reactive gas or cooling water flows, wherein the first separator has a first surface and a second surface, and the second separator has a third surface and a fourth surface, wherein the first surface of the first separator has arranged thereon a first gasket, and wherein the first gasket connects the first surface to the fourth surface to surround an edge of the first separator and an edge of the second separator exposed by the least one manifold.

燃料電池システムおよび方法

Nº publicación: JP2025541209A 18/12/2025

Solicitante:

セレスインテレクチュアルプロパティーカンパニーリミテッド

Resumen de: CN120345083A

A fuel cell system, a method of at least partially cracking a fuel gas in a fuel cell system, and a method of starting a fuel cell system. The fuel cell system defines an anode inlet gas fluid flow path for delivering fuel gas from a first inlet of a recuperative heat exchanger to a first outlet of the recuperative heat exchanger, through a cracker, to a second inlet of the recuperative heat exchanger, through a first outlet of the recuperative heat exchanger, through a second outlet of the recuperative heat exchanger. The fuel cells are delivered to a second outlet of the recuperative heat exchanger and to an anode inlet of at least one fuel cell stack. The fuel cell system has a heat source configured to provide heat to the anode inlet gas fluid flow path between the first outlet of the regenerative heat exchanger and the second inlet of the regenerative heat exchanger. The recuperative heat exchanger is arranged to transfer heat from the at least partially cracked fuel gas at a relatively higher temperature from the cracker outlet to a fuel gas at a relatively lower temperature delivered between the first inlet and the first outlet of the recuperative heat exchanger.