Resumen de: US2025140884A1
A fuel cell system and a method for operating a fuel cell system in connection with start-up of the fuel cell system is described. The fuel cell system comprises an anode volume and a cathode volume, a fluid flow assembly comprising a plurality of fluid conduits and a fluid flow control device, wherein a recirculation circuit is formed when a fluid connection between the anode volume and the cathode volume is enabled a hydrogen gas supply device, and a recirculation device. The method comprising controlling the hydrogen gas supply device to supply the hydrogen gas, regulating the fluid flow control device such that the anode volume is fluidly connected to the cathode volume, controlling the recirculation device to recirculate the gas mixture in the fluid recirculation circuit such that the supplied hydrogen gas undergoes reaction with the residual oxygen during the recirculation.
Resumen de: WO2025089274A1
Provided is a composition for forming a catalyst layer, with which it is possible to form a catalyst layer for a membrane electrode assembly used in a solid polymer fuel cell having excellent power generation performance in a low-humidity environment. The composition for forming a catalyst layer comprises a fluorinated polymer having a unit including a cyclic ether structure and having an ion exchange group, a catalyst, and a solvent, wherein the ion exchange capacity of the fluorinated polymer is 1.3 milliequivalent/g dry resin or more, the catalyst comprises a carbon support material and a metal supported on the carbon support material, and the ratio of the mass of the fluorinated polymer with respect to the mass of the carbon support material is 0.6 to 1.5.
Resumen de: WO2025089273A1
Provided is a catalyst layer forming composition that can form a catalyst layer in which the occurrence of cracks is suppressed. This catalyst layer forming composition comprises: a fluorine-containing polymer having a unit that comprises a cyclic ether structure and having an ion exchange group; a catalyst; and a solvent. The solvent comprises water and an alcohol; the alcohol comprises propanol; the content of the water is 50 mass% or more with respect to the total mass of the solvent; and the content of the propanol is 50 mass% or more with respect to the total mass of the alcohol.
Resumen de: WO2025088659A1
In this system, a steam reforming device steam-reforms methane gas and steam to produce steam-reformed product gas with a 3:1 molar ratio of hydrogen gas to carbon monoxide gas. A distribution device distributes the steam-reformed product gas into a first steam-reformed product gas and a second steam-reformed product gas at a set ratio. A hydrogen separation device separates the second steam-reformed product gas supplied from the distribution device into hydrogen gas and hydrogen-separated gas. In a mixing device, the first steam-reformed product gas is supplied from the distribution device, the hydrogen-separated gas is supplied from the hydrogen separation device, and the gases are mixed to produce synthesis gas. The set ratio for distributing the steam-reformed product gas into the first and second steam-reformed product gases is set so that the molar ratio of hydrogen gas to carbon monoxide gas contained in the synthesis gas produced in the mixing device is approximately 2:1. In a gas turbine cogeneration device, the hydrogen gas separated by the hydrogen separation device is supplied to generate electricity and to generate steam to be supplied to the steam reforming device.
Resumen de: WO2025089276A1
Provided is a composition for forming a catalyst layer, the composition being capable of forming a catalyst layer of a membrane electrode assembly which is used for a polymer electrolyte fuel cell that is excellent in terms of power generation performance durability. This composition for forming a catalyst layer includes: a fluorine-containing polymer that has a unit including a cyclic ether structure and an ion exchange group; a catalyst; and a solvent. The ion exchange capacity of the fluorine-containing polymer is 1.20 milliequivalent/g dry resin or less. The catalyst includes a carbon carrier and a metal that is supported by the carbon carrier. The ratio of the mass of the fluorine-containing polymer to the mass of the carbon carrier is 0.6 to 1.5.
Resumen de: US2025140876A1
A solid oxide cell includes a solid oxide electrolyte, and a fuel electrode disposed on one side of the solid oxide electrolyte and an air electrode disposed on the other side thereof. The fuel electrode includes alloy oxide particles of nickel (Ni) and a heterogeneous metal alloyable therewith and a solid oxide electrolyte material, and when an atomic percentage (at %) of the heterogeneous metal to all atoms in a center region of the alloy oxide particle is Mcore and an atomic percentage (at %) of the heterogeneous metal to all atoms in a surface region of the alloy particle is Msurface 10×Mcore<Msurface.
Resumen de: US2025140882A1
A fuel cell system comprises a first fuel cell stack pair with a first fuel cell stack and a second fuel cell stack, a first compressor arrangement, and a first turbine arrangement, wherein the first compressor arrangement can be coupled to cathode inlets of the fuel cell stack of the first fuel cell stack pair, wherein the first turbine arrangement can be coupled to cathode outlets of the fuel cell stack of the first fuel cell stack pair, wherein the first turbine arrangement comprises a shaft, a first turbine which is connected to the shaft, a second turbine which is connected to the shaft, and a generator which is connected to the shaft, wherein the first compressor arrangement comprises at least one electrically operable compressor, and wherein the generator can be coupled to the at least one electrically operable compressor.
Resumen de: US2025140886A1
The present invention provides an electrochemical cell wherein: a pair of electrodes are connected by the intermediary of a solid electrolyte; and at least one of the electrodes is supported by a metal support. The solid electrolyte is configured as a dense ion conductive layer; at least one of the electrodes is configured as a porous ion conductive layer that has oxygen ion conductivity; and the metal support is configured as a porous electron conductive layer that supports the porous ion conductive layer. In addition, a porous oxidation prevention layer is arranged between the porous ion conductive layer and the porous electron conductive layer; and a catalyst material is loaded such that the porous ion conductive layer, the porous oxidation prevention layer and the porous electron conductive layer are connected.
Resumen de: US2025140883A1
An exhaust liquid treatment assembly for a fuel cell system (FCS). The FCS includes a fuel cell stack and an FCS exhaust pipe fluidly connected to the fuel cell stack and configured to expel an exhaust stream from the FCS. The exhaust liquid treatment assembly includes a liquid tank having a liquid inlet in fluid communication with the FCS exhaust pipe and a liquid outlet. A liquid treatment filter separates the liquid inlet from the liquid outlet and includes a pH controlling material configured to mix with a liquid passing through the liquid treatment filter. A liquid level sensor configured to determine a level of liquid in the liquid tank. A controller is in communication with the liquid level sensor and configured to regulate a level of the liquid within the liquid tank by selectively opening and closing an outlet valve in fluid communication with the liquid outlet.
Resumen de: US2025140881A1
A tank system for a fuel cell system comprises a tank which extends along a longitudinal axis for receiving gas, in particular hydrogen, comprising an outer circumferential surface which encloses the longitudinal axis along a circumferential direction; a strip-shaped cooling device which is thermally coupled to the tank and comprises at least one Peltier element, wherein the cooling device is arranged on the outer circumferential surface of the tank and extends along the circumferential direction of the tank; and a securing element which encloses the outer circumferential surface of the tank in the circumferential direction and presses the cooling device against the outer circumferential surface of the tank.
Resumen de: WO2025086961A1
The present invention belongs to the technical field of fuel cells. Provided are a method and apparatus for controlling a circulation volume for an anode, and an electronic device and a fuel cell. The method for controlling a circulation volume for an anode in the present invention can accurately determine the hydrogen circulation volume of an anode, and then realize the regulation of the hydrogen circulation volume of a fuel cell system in combination with an actual hydrogen circulation volume. In the method for controlling a circulation volume for an anode in the present invention, on the basis of the rotation speed of a hydrogen circulating pump, the displacement of the hydrogen circulating pump per revolution, the gas pressure difference between an inlet and an outlet of the hydrogen circulating pump, and the density and viscosity of a circulating gas, an actual gas circulation volume of an anode of a fuel cell stack is determined; then, an accurate actual hydrogen circulation volume of the anode is obtained; and then in combination with a required hydrogen circulation volume of the anode and the current rotation speed of the hydrogen circulating pump, an appropriate adjustment strategy is applied to operating parameters of a target device, so as to realize the regulation of the hydrogen circulation volume of the anode, thus ensuring the safe and stable operation of the fuel cell stack.
Resumen de: WO2025086963A1
The present invention belongs to the technical field of fuel cells. Provided are a method and apparatus for determining a cathode purging time, and an electronic device and a fuel cell. The method comprises: determining an initial moisture content of a proton exchange membrane of a galvanic pile, and then determining the remaining purging time. In the method for determining a cathode purging time in the present invention, a galvanic pile is controlled to stably operate at a relatively small target power value before the galvanic pile is shut down, such that an accurate initial moisture content of a proton exchange membrane before the shutdown of the galvanic pile is obtained on the basis of the operating characteristics of the galvanic pile under a stable operating condition, and an instantaneous moisture loss rate and an instantaneous moisture content of the proton exchange membrane when a cathode is being purged during shutdown are further obtained by combining the initial moisture content with the humidity of a purging gas and the moisture loss characteristics of the proton exchange membrane, and the remaining purging time for the proton exchange membrane to reach an expected target moisture content can further be obtained, so as to provide a more accurate and reliable time basis for cathode purging, thereby ensuring the purging effect and the normal operation of the galvanic pile during the next startup.
Resumen de: WO2025086527A1
Disclosed in the present invention are a fuel cell integrated with a heat pump energy recovery system, and an energy recovery control method. The main features are that: a heat pump system is arranged between a cooling system and an air supply system, and after absorbing waste heat in the cooling system, the heat pump system heats exhaust tail gas discharged by a cell stack module, so as to increase the temperature of exhaust tail gas entering an expander, thereby improving the energy recovery efficiency of the expander. The heat pump system has a simple structure, and an energy recovery strategy is reasonable, thereby greatly simplifying the structure of the energy recovery system of the fuel cell, reducing manufacturing costs, and eliminating the risk of temperature runaway.
Resumen de: US2025140879A1
An embodiment includes a reworkable fuel cell stack in which a first separator and a second separator forming one fuel cell are bonded to a membrane electrode assembly (MEA) by a hot-melt adhesive, the first separator is bonded to a third separator of another fuel cell by a first UV adhesive film, and the second separator is bonded to a fourth separator of yet another fuel cell by a second UV adhesive film, so that, among a plurality of fuel cells, a specific fuel cell that is defective is easily selectively separated from the fuel cell stack, and is easily replaced with a new or replacement fuel cell.
Resumen de: US2025140885A1
The present disclosure provides methods for generating electricity. In embodiments, a method for generating electricity comprises injecting a liquid fuel composition comprising a hydrocarbon and water into a reformer, the reformer under a pressure and at an elevated temperature to convert the liquid fuel composition to a reformate composition via a reforming reaction, the reformate composition comprising hydrogen and methane; and introducing the reformate composition into an anode inlet port of a solid oxide fuel cell in fluid communication with the reformer while introducing oxygen into a cathode inlet port of the solid oxide fuel cell under conditions to convert the reformate composition into an exhaust composition while generating electricity. Systems for carrying out the methods are also provided.
Resumen de: US2025141566A1
A computing device may include a substrate. A computing device may include a processing unit supported by the substrate. A computing device may include an optical transmitter supported by the substrate and in electrical communication with the processing unit.
Resumen de: AU2023372678A1
A solid oxide fuel cell includes an anode, a cathode, an electrolyte including zirconia between the anode and the cathode, and at least one current collector on a surface of the anode opposite the electrolyte and/or a surface of the cathode opposite the electrolyte. The at least one current collector may include a material of M
Resumen de: AU2023366065A1
Abstract A sustainable water fuelled process and apparatus where a Unipolar electrolysis of water is described and the hydrogen and oxygen are stored before feeding a hydrogen fuel cell which is capable of providing sufficient electricity to provide power to a drive a vehicle, power a generator etc, after supplying electricity to the Unipolar electrolyser and the storage of the hydrogen and oxygen.
Resumen de: AU2023365644A1
A fuel cell electrical power generation system is described herein. The system uses a combustor (174) to increase the pressure and temperature of exhaust gases (164) from a fuel cell stack of the system. The combustor (174) uses hydrogen from a hydrogen supply (140) to provide fuel to the combustor (174). The increased temperature/pressure of the exhaust gases (164) post combustion are used to rotate a turbine (168), which in turn rotates a compressor (156) of a turbocharger (154). The compressor (156) compresses incoming air to increase the power output and/or the efficiency of the system. An ebooster (172) can be used in low load conditions, such as during a startup or during at time in which the electrical loading on the fuel cells is relatively low.
Resumen de: US2025135397A1
Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.
Resumen de: CN119183617A
The present invention relates to an electrochemical cell assembly (10) comprising a first end plate assembly (12), a stack (14) of battery repeating units (18), and a second end plate assembly (16). The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each comprises an end plate (32) and an insulating plate (34) located between the end plate and the stack, in which at least one through-hole (36) is provided in the insulating plate, and in which a sealing insert (40) is provided in the at least one through-hole of the insulating plate, which sealing insert defines a fluid channel (42) in the direction of the stack. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.
Resumen de: JP2025069488A
【課題】小型化を図りつつ、好適な湿度に調整された水素を低コストで供給可能とする。【解決手段】下方閉塞部材13が上方閉塞部材14よりも下方に位置するように設置した状態において、外側空間S1が、水素発生装置から酸素Oと共に排出される水W1を酸素Oから分離させて貯水する「第1の分離槽」として機能し、かつ内側空間S2が、水素発生装置から水素ガスGと共に排出される水W2を水素ガスGから分離させて貯水する「第2の分離槽」として機能するように構成されると共に、「第1の分離槽」内の水W1と「第2の分離槽」内の水W2とが内側筒状部材12を介して熱交換可能に構成され、「第1の分離槽」は、貯水した水W1を「原料の水」として水素発生装置に給水する配管5を接続可能に構成され、「第2の分離槽」は、貯水した水W2のなかを水素ガスGが浮上するように構成されている。【選択図】図2
Resumen de: JP2025069776A
【課題】ガラスシール材が流動してシール性が損なわれることを防止する。【解決手段】固体酸化物形燃料電池100は、多孔質の金属支持体2と、金属支持体2に積層された第1電極層3と、第1電極層3に積層された電解質層4と、電解質層4に積層された第2電極層5と、を有する電池セル10と、電池セル10を保持するフレーム6と、を備える。電池セル10の端面8とフレーム6とは、ガラスシール材7で接合されている。フレーム6は、ガラスシール材7と接触する内周フレーム面6bの濡れ性が、ガラスシール材7よりも外側に位置する外周フレーム面6cの濡れ性よりも良い。【選択図】図2
Resumen de: JP2025069496A
【課題】反りを簡易に低減できる電気化学セル、セルスタック、ホットモジュール及び水素製造装置を提供する。【解決手段】電気化学セルは、順に燃料極、固体電解質、空気極を含み、燃料極は、順に基板層および機能層を含む固体酸化物形であって、基板層の内部に配置された拘束層を備え、拘束層は、空気極が重なる部分に位置する線状部を複数含む第1部と、空気極が重ならない部分に位置する枠状の第2部と、を含み、線状部の両端は第2部につながり、第1部および第2部の気孔率は、基板層の気孔率よりも小さい。【選択図】図2
Nº publicación: JP2025069915A 01/05/2025
Solicitante:
財團法人工業技術研究院
Resumen de: US2025132361A1
The present disclosure discloses a flow battery system, a battery monitoring device for the flow battery system, and an electrode element for the battery monitoring device and a manufacturing method thereof. The battery monitoring device includes a positive end plate, a positive electrode element, a negative end plate, a negative electrode element, electrolyte supply channels, electrolyte discharge channels, a separator, and a voltage measurement unit. The positive electrode element penetrates through the positive end plate and includes an electrode rod and a signal transmission portion that protrudes from an outer surface of the positive end plate. The negative electrode element penetrates through the negative end plate and includes an electrode rod and a signal transmission portion that is projected on an outer surface of the negative end plate. The separator is between the positive end plate and the negative end plate.