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FUEL CELL SYSTEM

Resumen de: US2025372672A1

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.

FUEL CELL MODULE

Resumen de: US2025372681A1

A fuel cell module includes a fuel cell stack, and a controller configured to start power generation of the fuel cell stack when a charging rate of a power storage device directly connected between the fuel cell stack and a load becomes a lower limit value or less, and configured to stop power generation of the fuel cell stack when the charging rate of the power storage device becomes an upper limit value or more. The fuel cell stack is connected to the power storage device not through a power conversion circuit, and the controller changes at least one of the lower limit value and the upper limit value based on a deterioration degree of the fuel cell stack.

FUEL CELL MODULE

Resumen de: US2025372680A1

A fuel cell module includes a fuel cell stack, a DC-DC converter including a diode and a switching element and configured to convert an output voltage of the fuel cell stack and output the converted voltage to a power storage device, and a controller. The fuel cell module controls power generation of the fuel cell stack in response to a command from a high-level system. The fuel cell stack is connected to a node between the diode and the switching element. The controller turns off a switch that is provided between the DC-DC converter and the power storage device in a situation in which the output voltage of the fuel cell stack is higher than a voltage of the power storage device.

Systems and Related Temperature Calibration Methods

Resumen de: US2025367661A1

Systems and related temperature calibration methods. In accordance with a first implementation, an apparatus includes a flow cell interface, a temperature control device, an infrared sensor, and a controller. The flow cell interface includes a flow cell support and the temperature control device is for the flow cell support. The controller is to command the temperature control device to cause the flow cell support to achieve a temperature value, cause the infrared sensor to measure an actual temperature value of the flow cell support, and calibrate the temperature control device based on a difference between the commanded temperature value and the actual temperature value.

PEPTIDE SELF-ASSEMBLY AS A STRATEGY FOR FACILE IMMOBILIZATION OF ENZYMES AND MICROORGANISMS ON ELECTRODES

Resumen de: US2025369136A1

A modified fibrous electrode having associated therewith a self-assembled structure formed of a plurality of short aromatic peptides and a biocatalyst associated with the self-assembled structure, electrochemical cells and systems assembled with such modified electrodes and uses thereof are provided.

Microbial Battery Membrane Bioreactor

Resumen de: US2025368555A1

A microbial battery membrane bioreactor for wastewater treatment and energy production has a microbial battery 302 coupled with a membrane module 304. Bioanodes 318 coated with exoelectrogen are in a fixed submerged position while solid-state cathodes 320 are movable between a submerged position where they are positioned close to the bioanodes and a raised position above the solution where they are exposed to air for regeneration. In the submerged position. exoelectrogens on bioanodes 318 oxidize organic matter, generating reducing power and creating electron flow to cathodes 320. This flow of electrons from a bioanode into a cathode enables direct electric energy recovery by connecting a load to the electrodes.

INTEGRATED FUEL CELL POWER SPLIT VEHICLE SYSTEMS

Resumen de: US2025368035A1

Systems and methods for operating a fuel cell electric vehicle are disclosed. In one example, a system is provided that comprises a fuel cell; a compressor; and an electric motor operationally coupled via a power split transmission to a driveshaft and the compressor. The power split transmission may be used to split input power from the electric motor into two power flows: one to the driveshaft or other traction device and the other to the compressor. In some examples, the power split transmission may comprise a planetary gearset.

FUEL CELL SYSTEM CONFIGURED TO OPERATE IN COLD CONDITIONS AND METHOD OF OPERATING THE SAME

Resumen de: US2025372675A1

A method of operating a fuel cell system includes providing an anode exhaust from a stack of fuel cells to an anode exhaust cooler, providing an air inlet stream to the anode exhaust cooler, heating the air inlet stream in the anode exhaust cooler using heat extracted from the anode exhaust, providing at least a portion of the air inlet stream from the anode exhaust cooler to the stack, and controlling a ratio of a mass flow rate of the air inlet stream through the anode exhaust cooler to the mass flow rate of the air inlet stream through the stack based on ambient temperature.

FUEL CELL SHIP

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.

ELECTRODE WITH CONDUCTIVE INTERLAYER AND METHOD THEREOF

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).

METHODS AND SYSTEMS FOR OPTIMIZING OPERATION OF AN ELECTROCHEMICAL SYSTEM

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.

APPARATUS FOR CLEANING ELECTROLYTE INJECTOR

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.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE STORAGE DEVICE

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.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE STORAGE DEVICE

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.

SOLID OXIDE FUEL CELL SYSTEM FOR MASS ELECTRICITY PRODUCTION

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.

VANADIUM ELECTROLYTE, AND SECONDARY BATTERY COMPRISING SAME

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.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

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.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

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.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE STORAGE DEVICE

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.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

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.

ENERGY SUPPLY SYSTEM, ENERGY SYSTEM, SIMULATION METHOD, SIMULATION DEVICE, MANAGEMENT METHOD, AND MANAGEMENT SYSTEM

Resumen de: WO2025249033A1

An energy supply system (200) includes a fuel cell device (920) and a heat source device (440). The heat source device (440) includes a first portion (441) and a second portion (442). The first portion (441) heats a first heat medium (h1) using heat from the fuel cell device (920). The second portion (442) further heats the first heat medium (h1) heated by the first portion (441).

FUEL CELL SYSTEM

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.

ELECTRODE FOR MICROBIAL FUEL CELL

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.

POWER GENERATION SYSTEM

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.

FUEL CELL STACK MODULE AND VEHICLE

Nº publicación: WO2025246080A1 04/12/2025

Solicitante:

DONGFENG MOTOR GROUP CO LTD [CN]
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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.