Resumen de: US2025372670A1
A fuel cell ship includes a cooling system that cools a fuel cell. The cooling system includes a cooling medium tank that accommodates a cooling medium, a cooling medium circulation pipe that circulates the cooling medium between the fuel cell and the cooling medium tank, a cooling tank internal gas detector installed in the cooling medium tank, a cooling tank internal gas discharge pipe connected to the cooling medium tank, and a cooling tank internal gas discharge valve installed in the cooling tank internal gas discharge pipe. The fuel cell ship includes a control unit that controls opening and closing of the cooling tank internal gas discharge valve. The control unit opens the cooling tank internal gas discharge valve when the cooling tank internal gas detector detects that the concentration of the fuel gas in the cooling medium tank is equal to or greater than a specified value determined in advance.
Resumen de: US2025372612A1
In an embodiment, a Li-ion battery electrode comprises a conductive interlayer arranged between a current collector and an electrode active material layer. The conductive interlayer comprises first conductive additives and a first polymer binder, and the electrode active material layer comprises a plurality of active material particles mixed with a second polymer binder (which may be the same as or different from the first polymer binder) and second conductive additives (which may be the same as or different from the first conductive additives). In a further embodiment, the Li-ion battery electrode may be fabricated via application of successive slurry formulations onto the current collector, with the resultant product then being calendared (or densified).
Resumen de: WO2025250286A1
The following disclosure relates to systems and methods for optimizing an operation of an electrochemical system. An optimization system may include a processor configured to determine an adjustment to one or more setpoints for the operation of the electrochemical system based on an optimization model that takes into account a desired performance parameter, an operating load point of the electrochemical system, and/or operating conditions of the electrochemical system received by the processor. In other examples, the optimization system includes a controller configured to: receive desired operating set points for operation of an electrochemical system; receive operating conditions of the electrochemical system; and determine an adjustment to an off-taker control valve, an electrochemical stack pressure control valve, a power supply unit, or a combination thereof based on an optimization model.
Resumen de: WO2025250123A1
An injector cleaning system for use with an electrolyte injection system is disclosed. The cleaning system includes condensing container that contains a cleaning solution. The condensing container is constructed to circulate the cleaning solution through the injection system to remove contaminants. The cleaning system also includes a distillation container that is constructed to collect the contaminated cleaning solution within the injection system. The distillation container boils the contaminated cleaning solution to create a cleaning solution vapor and then transfers the vapor to the condensing container, where the vapor is condensed into a cleaning solution for re- circulation through the injection system.
Resumen de: WO2025249510A1
This electrochemical cell has a flow path member and an element part. The flow path member has a first portion having a flat plate shape, a first folded-back portion, and a second folded-back portion. The first portion has a first surface and a second surface that is located on the opposite side of the first surface. The first folded-back portion and the second folded-back portion are respectively folded back from both ends in the first direction along the first surface, and face the second surface. The element part faces the first surface. Each of the first folded-back portion and the folded-back portion has a joint portion inside the contour of the element part when viewed in plan from the element part.
Resumen de: WO2025249529A1
This electrochemical cell comprises: a metal member; an element part located on the metal member; and a sealing part containing a seal material. The element part has a first surface facing the metal member, a second surface located opposite the first surface, and a side surface connecting the first surface and the second surface. The sealing part has a first portion located outside the contour of the element part in plan view, and a second portion in contact with the side surface. The element part includes a seal material and has a mixing part in contact with the second portion. The mixing part has a thickness of less than 1 μm.
Resumen de: WO2025249790A1
The present invention relates to a solid oxide fuel cell system that, unlike conventional methods in which anode off-gas and cathode off-gas are independently used for each individual stack of a solid oxide fuel cell, reduces the total amount of fuel required by the system and decreases the amount of external water used by recycling, in a rear-end stack, anode off-gas from a front-end stack, and reduces the amount of external air required by the system and decreases the electricity consumption of a blower by recycling, in the rear-end stack, cathode off-gas from the front-end stack.
Resumen de: WO2025249779A1
The present invention relates to a vanadium electrolyte and to a secondary battery comprising same and, more particularly, to a vanadium electrolyte having a controlled concentration of an element causing a hydrogen evolution reaction (HER) occurring during charging and discharging of a secondary battery, and to a secondary battery comprising the vanadium electrolyte.
Resumen de: WO2025249470A1
An electrolysis cell 21 includes: a solid electrolyte layer 211; a fuel electrode layer 213 stacked and arranged on the rear surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 stacked and arranged on the front surface 211B side of the solid electrolyte layer 211. A mutual diffusion layer 214 in contact with both the solid electrolyte layer 211 and the fuel electrode layer 213 is formed between the solid electrolyte layer 211 and the fuel electrode layer 213. The mutual diffusion layer 214 includes: a first element which is one element constituting the solid electrolyte layer 211; and a second element which is one element constituting the fuel electrode layer 213 and is different from the first element. The thickness T1 of the mutual diffusion layer 214 falls within the range of 1.5 μm or more and 4.8 μm or less.
Resumen de: WO2025249471A1
An electrolysis cell 21 comprises: a solid electrolyte layer 211 including ion-conductive oxide particles; a fuel electrode layer 213 laminated on the back surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 laminated on the upper surface 211B side of the solid electrolyte layer 211. The average particle diameter of the ion-conductive oxide particles in the solid electrolyte layer 211 is 0.40-1.24 µm.
Resumen de: WO2025249564A1
This electrochemical cell comprises a conductive first porous layer and a solid electrolyte layer. The first porous layer has a first surface and a second surface positioned on the side opposite from the first surface, and contains a metal material and an electrolyte material. The solid electrolyte layer faces the first surface and contains an electrolyte material. The first porous layer includes a first portion which includes the first surface, and a second portion which includes the second surface and which has a metal material content smaller than that of the first portion.
Resumen de: WO2025249474A1
An electrolysis cell 21 comprises: a solid electrolyte layer 211 that includes oxide particles containing Zr; a fuel electrode layer 213 that is stacked and arranged on one surface side of the solid electrolyte layer 211 and includes metal particles and oxide particles containing Ce; and an air electrode layer 212 that is stacked and arranged on the other surface side of the solid electrolyte layer 211. A Raman spectrum of Stokes scattered light of each of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) has a peak in a wave number region of 334 cm-1 or more and 531 cm-1 or less. When the half widths of the peaks of the Raman spectra of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) in the wave number region are defined as an electrolyte half width and a fuel electrode half width, respectively, the ratio of the electrolyte half width to the fuel electrode half width is 3.5 or more and 5.7 or less.
Resumen de: WO2025248917A1
This fuel cell system comprises a fuel cell, a battery for charging with power generated by the fuel cell, and a drive device that runs on power supplied from the fuel cell and/or the battery. The output current of the fuel cell is dependent on the voltage of the battery. The system comprises: a control unit for controlling the driving of the drive device; and a calculation unit for calculating a smoothing value on the basis of a switching time for a switch to be made from a non-power generation state in which the fuel cell has stopped generating power to a power generation state in which a predetermined amount of power is generated. The control unit performs smoothing control to slow down changes in the output of the drive device by controlling the output of the drive device to a control value calculated on the basis of the smoothing value in both cases where there has been an output request for the drive device while the fuel cell was in the power generation state and where there has been an output request for the drive device while the fuel cell was in the non-power generation state.
Resumen de: WO2025248664A1
According to the present disclosure, provided is an electrode for a microbial fuel cell, the electrode comprising a tube-shaped container. The tip end of the container is sealed by a semipermeable membrane. At least a portion of the interior of the container is filled with an aqueous solvent. A cathode is inserted into the distal end of the container. The cathode is at least partially immersed in the aqueous solvent inside the container.
Resumen de: WO2025246080A1
The present application discloses a fuel cell stack module and a vehicle. Battery cells of the fuel cell stack module and a body of a gas inlet end plate assembly are respectively provided with at least six fluid communication openings. A body of an electrode plate of each battery cell is further provided with at least two active areas, the fluid communication openings surround the peripheries of the at least two active areas, at least one fluid communication opening in the battery cell for allowing a reaction medium to flow is communicated with the at least two active areas, thereby reducing the number of fluid communication openings. The electrode plate of each battery cell uses a multi-active-area structural design to increase the active area. Moreover, the fluid communication openings can utilize the space on each side edge of the body to increase the total area of the fluid communication openings. The middle of each of the gas inlet end plate assembly, a stack core, and a blind end plate assembly is provided with fastening holes for allowing fasteners to pass through, so that the problem of uneven pressing force in the middle part of each active area during stacking of a cell stack can be solved, thereby implementing ultra-high-power fuel cells using a single-stack solution.
Resumen de: WO2025249408A1
A power generation system 100 comprises: a fuel battery 1 that generates electricity from hydrogen and oxygen; a combustor 2 that combusts hydrogen and oxygen which are unreacted and which are supplied from the fuel battery 1 and that generates water vapor therein; and a steam turbine 3 that operates using the water vapor which is supplied from the combustor 2 and that drives a power generator 4.
Resumen de: EP4656269A1
Le séparateur eau-gaz pour pile à combustible inclut un boîtier avec couvercle muni d'un conduit (4) de la sortie qui porte un rebord externe, annulaire. La sortie (S) est en communication avec une chambre de séparation où est réalisée une circulation tangentielle du flux gazeux à épurer (F1), autour du conduit, l'eau séparée tombant sur le fond (2a). Le rebord externe, formant une gouttière (6), est disposée autour d'une extrémité (4b) inférieure du conduit (4). Ainsi, depuis une entrée latérale, la circulation tangentielle est réalisée autour du conduit (4) central définissant un axe longitudinal (X), en partie dans une zone axialement délimitée entre la gouttière et une partie radiale d'obturation, appartenant au couvercle (3), depuis laquelle le conduit (4) fait saillie vers le bas dans la chambre. Le rebord externe contribue à accélérer la rotation du flux et empêche l'eau coulant le long du conduit de rejoindre le flux épuré.
Resumen de: EP4657476A2
An integrated electrode-separator component, comprises an electrode substrate; and a separator comprising a set of layers comprising at least a first layer, the first layer comprising small wires, the first layer being directly deposited on the electrode substrate, wherein: a total thickness of the set of first layers ranges between about 0.5 µm and about 100 µm; and the small wires exhibit diameters in the range of about 2 nm to about 10 µm and diameter-to-length aspect ratios in the range of about 1:4 to about 1:10,000,000.
Resumen de: EP4657579A2
A fuel cell module (10) includes a fuel cell stack (11), a DC-DC converter (12) including a diode (D1, D3, D5) and a switching element (Q2, Q4, Q6) and configured to convert an output voltage of the fuel cell stack (11) and output the converted voltage to a power storage device (93), and a controller (62). The fuel cell module (10) controls power generation of the fuel cell stack (11) in response to a command from a high-level system (90). The fuel cell stack (11) is connected to a node between the diode (D1, D3, D5) and the switching element (Q2, Q4, Q6). The controller (62) turns off a switch that is provided between the DC-DC converter (12) and the power storage device (93) in a situation in which the output voltage of the fuel cell stack (11) is higher than a voltage of the power storage device (93).
Resumen de: EP4656278A1
Membranbefeuchter, umfassend ein Gehäuse (1) mit einem Einbauraum (2), der durch eine Einschuböffnung (3) zugänglich ist und eine im Wesentlichen kastenförmige Membraneinheit (4), die auswechselbar im Einbauraum (2) angeordnet ist, wobei das Gehäuse (1) zumindest zwei Gehäuseteile (1.1, 1.2) umfasst, die gemeinsam den Einbauraum (2) begrenzen und zerstörungsfrei lösbar miteinander verbunden sind, wobei das Gehäuse (1) und die Membraneinheit (4) von zwei ersten und zweiten Luftströmen (L1, L2) durchströmbar sind und wobei das Gehäuse (1) für die Luftströme (L1, L2) jeweils einen Strömungseinlass (5, 6) und jeweils einen Strömungsauslass (7, 8) aufweist. Die Luftströme (L1, L2) sind im Wesentlichen senkrecht zueinander angeordnet, wobei die Membraneinheit (4) eine Montagerichtung (9) in den Einbauraum (2) aufweist, die sich parallel zum ersten Luftstrom (L1) erstreckt, wobei nur der erste Luftstrom (L1) durch zumindest eine Dichtung (10) aus einem gummielastischen Dichtungswerkstoff aktiv im Gehäuse (1) abgedichtet ist und wobei der zweite Luftstrom (L2) durch einen strömungsdurchlässigen Bypass (11) zwischen Gehäuse (1) und Membraneinheit (4) passiv abgedichtet ist.
Resumen de: EP4657578A1
A fuel cell system according to an embodiment includes a fuel cell stack, an oxidant gas supply and drive unit, an oxidant gas discharge line, a first gas pressure regulation unit, a sealable humidifying water tank, a humidifying water supply line, and a humidifying water discharge line. The humidifying water tank is connected to a part of the oxidant gas discharge line, which is upstream of the first gas pressure regulation unit, and stores humidifying water to be supplied to the fuel cell stack. The humidifying water supply line supplies the humidifying water from the humidifying water tank to the fuel cell stack. The humidifying water discharge line discharges the humidifying water from the fuel cell stack outside the fuel cell system.
Resumen de: WO2024158360A1
The invention is to modify the separators, which are also used in other batteries or storage batteries, especially lithium batteries, with two-dimensional materials to improve their capacity conservation and cycle life and to increase the stability of the cathode materials in the system.
Resumen de: CN120166984A
The invention relates to a method for producing mayenite, comprising the following sequential steps: a) preparing a feed suitable for obtaining, at the end of step c), a product comprising more than 90% mayenite in percentage by weight based on the weight of the crystalline phase, said mayenite comprising calcium and/or strontium, aluminum and oxygen; b) melting the feedstock until a molten material is obtained; c) cooling the molten material in order to solidify the molten material and obtain a polycrystalline fused product; the melting is carried out using an electric arc furnace and in a reducing medium.
Resumen de: WO2024157265A1
Systems and methods of operating aluminum-air electrochemical cells are provided, in which, following operation of the electrochemical cell(s), the alkaline electrolyte is removed from the cell(s) and a mixture of water with oxygen-rich organic solvent(s) is introduced to protect the aluminum anodes from corrosion by the electrolyte residues. For example, the cell(s) may be flooded with the mixture and then drained, or the mixture may be circulated through the cell(s). During stand-by, the mixture may be used to flood or to be circulated through the cell(s) and drained, to further enhance the operability of cell(s) during operation.
Nº publicación: EP4655833A1 03/12/2025
Solicitante:
AVL LIST GMBH [AT]
AVL List GmbH
Resumen de: WO2024229495A1
The invention relates to a media distributing device (100) for distributing gaseous media to an assembly of a plurality of fuel cell stacks (200), comprising an air supply section (10, 11, 12, 13) for supplying the fuel cell stacks (200) with air and a fuel supply section (20, 21, 22, 23) for supplying the fuel cell stacks (200) with fuel. According to the invention, at least one section of a fuel supply chamber (20) is received within an air supply chamber (10), wherein the air supply chamber (10) surrounds a border of the fuel supply chamber (20) at least at the received section of the fuel supply chamber (20).