Absstract of: US2025286124A1
Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also, the methods set forth herein disclose novel sintering techniques, e.g., for heating and/or field assisted (FAST) sintering, for solid state energy storage devices and the components thereof.
Absstract of: US2025286094A1
A fuel cell cooling system includes a first cooling channel, a fuel cell, a second cooling channel, radiator, an intercooler, an intermediate heat exchanger including a first heat exchange channel and a second heat exchange channel, a parallel channel, and a valve. During power generation by the fuel cell, when the temperature of the coolant in the first cooling channel is lower than a first reference value, a first operation is performed in which coolant is circulated in the first cooling channel over a path passing through the fuel cell and the first heat exchange channel, and also coolant is circulated in the second cooling channel over a path passing through the radiator, the parallel channel and the intercooler. When the temperature of the coolant in the first cooling channel is higher than the first reference value, a second operation is performed.
Absstract of: US2025286098A1
A manufacturing arrangement for a fuel cell stack or at least a unit fuel cell of the fuel cell stack includes at least a pre-arrangement site for arranging a membrane electrode assembly and a bipolar plate in a predefined orientation to each other, wherein the bipolar plate has at least one opening and/or at least one specific contour, and wherein the membrane electrode assembly and the bipolar plate are oriented to each other in such a way that the membrane electrode assembly covers at least one opening in the bipolar plate and/or extends over the bipolar plate in at least one area; wherein the manufacturing arrangement further includes at least one cutting site with a cutting device which is adapted to cut the membrane electrode assembly in a predetermined area so that the membrane electrode assembly has a cut opening, which resembles the at least one opening of the bipolar plate, and/or at least one cut contour, which resembles the at least one contour of the bipolar plate, and/or at least one cut alignment structure for aligning the unit fuel cells in a fuel cell stack, as well as a corresponding manufacturing method.
Absstract of: US2025286092A1
Disclosed are a fuel cell vehicle and a method of controlling the temperature thereof. The fuel cell vehicle includes a first cooling unit configured to cool a first device, a second cooling unit configured to cool a second device, and a temperature regulator configured to lower the temperature of one of the first and second cooling units and to increase the temperature of the other of the first and second cooling units. The first device and the second device have different degrees of heat generation.
Absstract of: US2025286091A1
An analysis method according to the present disclosure includes receiving an output voltage of an inverter that converts direct-current power of a fuel cell device to alternating-current power, receiving information indicating an abnormality in the fuel cell device when an abnormality occurs in the fuel cell device, and analyzing, when power supply from the fuel cell device to a power load via the inverter is stopped abnormally, a cause of the abnormal stoppage on a basis of the output voltage and presence or absence of information indicating an abnormality in the fuel cell device.
Absstract of: US2025286095A1
Disclosed are: a membrane-electrode assembly having enhanced adhesion and interfacial durability between a polymer electrolyte membrane and electrodes; and a method for manufacturing a membrane-electrode assembly, in which, in forming electrodes by directly coating a catalyst slurry on a polymer electrolyte membrane, adhesion and interfacial durability between the polymer electrolyte membrane and the electrodes can be enhanced without a separate additional step, thus improving both the durability and the productivity of the membrane-electrode assembly. The method comprises the steps of: dispersing a catalyst and an ion conductor in a dispersion medium to obtain a catalyst slurry; applying the catalyst slurry onto a polymer electrolyte membrane; and drying the catalyst slurry applied onto the polymer electrolyte membrane to form an electrode. The dispersion medium is a solvent capable of forming a plurality of grooves on a surface of the polymer electrolyte membrane, and, when the electrode is formed through the drying step, at least some of the grooves are filled with the catalyst, the ion conductor, or a mixture thereof.
Absstract of: US2025286088A1
A humidifier for humidifying dry fresh air using humid exhaust air may include a housing and a humidifier block disposed in the housing. The housing may include a fresh air inlet for supplying dry fresh air, a fresh air outlet for evacuating humidified fresh air, an exhaust air inlet for supplying humid exhaust air, and an exhaust air outlet for evacuating dehumidified exhaust air. The humidifier block may include a membrane stack through which a fresh air flow and an exhaust air flow are flowable for humidifying the dry fresh air via the humid exhaust air. The membrane stack may include membranes impermeable to air and permeable to moisture. The humidifier block may include two end plates that are respectively braced against a respective end face of the membrane stack via at least one elastic seal preloaded in a lengthwise direction of the humidifier block.
Absstract of: US2025286097A1
This relates to a cell for a power generation device, which includes: —two compartments intended respectively to receive fluids that each have a different concentration of a predetermined ion, which compartments are separated by a membrane allowing the predetermined ion to pass through; and —two adsorbent layers of the predetermined ion placed respectively on either side of the membrane. The invention also relates to two power generation devices incorporating such a cell, and to a method for operating one of these devices.
Absstract of: US2025286087A1
The fuel cell cooling system includes first and second cooling flow paths, a fuel cell, an ion exchanger, a radiator, and an intermediate heat exchanger. When the temperature of the refrigerant in the first cooling flow path is lower than a reference value during power generation of the fuel cell, a first operation is performed to circulate the refrigerant in the first cooling flow path along a route in which the refrigerant that has passed through the intermediate heat exchanger flows through the fuel cell and the ion exchanger in parallel and circulate the refrigerant in the second cooling flow path along a route in which the refrigerant passes through the intermediate heat exchanger and the radiator, and when the temperature of the refrigerant in the first cooling flow path is higher than the reference value during the power generation in the fuel cell, a second operation is performed.
Absstract of: US2025286093A1
In the fuel cell cooling system, a first cooling flow path, a fuel cell, a second cooling flow path, a radiator, an intercooler, an intermediate heat exchanger, and a bypass flow path, and during power generation of the fuel cell, when the temperature of the refrigerant in the first cooling flow path is lower than the first reference value, a first operation for circulating the refrigerant in the second cooling flow path is performed in a path passing through the intermediate heat exchanger, the intercooler, and the bypass flow path, and when the temperature of the refrigerant in the first cooling flow path is higher than the first reference value, a second operation for circulating the refrigerant in the second cooling flow path is performed in a path passing through the intermediate heat exchanger, the intercooler, and the radiator.
Absstract of: US2025286096A1
A membrane electrode assembly includes a cathode electrode disposed on one end and including a positively charged porous electrode and an anode electrode disposed on an opposite end from the cathode and including a negatively charged porous electrode. The membrane electrode assembly also includes a proton exchange membrane disposed between the cathode and the anode. The cathode and/or anode electrodes further includes a catalyst active material, carbon support molecules, at least one ionomer, and one or more hydrofluoroethers.
Absstract of: US2025286090A1
An electrochemical cell system includes a stack of electrochemical cells, and a fluid ejector configured to mix a first fluid stream and a second fluid stream to form a mixed fluid stream that is provided to the stack. The fluid ejector includes a suction chamber having a secondary inlet configured to receive the second fluid stream, an inlet nozzle configured to inject the first fluid stream into the suction chamber, a mixing chamber fluidly connected to the suction chamber and configured to mix the first fluid stream and the second fluid stream to form the mixed fluid stream, and a diffusion chamber fluidly connected to the mixing chamber and having an outlet that is fluidly connected to the stack.
Absstract of: US2025286086A1
A main object of the invention is a method for making a SOEC/SOFC-type solid oxide stack operating at high temperature, including a plurality of electrochemical cells each formed by a cathode, an anode and an electrolyte interposed between the cathode and the anode, and a plurality of metal interconnectors each arranged between two adjacent electrochemical cells,each interconnector having two main planar faces, a first face (P1) of the two main planar faces comprising a metal coating layer (GN) in the form of a grid forming a contact layer with an electrochemical cell,the method including the step of spot-welding (S) the metal coating layer (GN) on the first face (P1) of the interconnector to enable fastening thereof.
Absstract of: US2025286089A1
A vehicle comprising a hydrogen power system for powering the vehicle, and a dump box movable between a first position for receiving load to be carried by the vehicle in an upwardly open first space of the dump box, and a second position in which the dump box is tilted for emptying load from the first space of the dump box, wherein the hydrogen power system comprises a hydrogen fuel cell or an internal combustion engine for hydrogen, and a condenser fluidly connected to an exhaust of the hydrogen fuel cell or of the internal combustion engine, wherein the condenser is fluidly connected to the dump box such that water from the condenser is able to accumulate in the dump box when the dump box is in the first position.
Absstract of: US2025286082A1
A electrode for MFCs includes: a non-conductive fiber; a conductive material having conductivity; and a binder configured to bind the conductive material to the fiber.
Absstract of: US2025286083A1
The present disclosure relates to a method for preparing a catalyst and an electrode using a supercritical fluid. A method for preparing an ink slurry according to the present disclosure allows the preparation of an ink slurry with improved dispersibility in large quantities in a simple and environmentally friendly manner.
Absstract of: US2025286085A1
In the fuel cell cooling system, a first cooling channel, a fuel cell, a second cooling channel, a radiator, a heater, a heater core, and an intermediate heat exchanger are provided, and the second cooling channel includes a bypass channel provided in parallel to the radiator, and during power generation of the fuel cell, the coolant is circulated in the first cooling channel on a path through the fuel cell and the intermediate heat exchanger, and the coolant is circulated in the second cooling channel on a path through the intermediate heat exchanger, the heater, the heater core, and the bypass channel, thereby performing a first operation of heating air by the heater core. In the first operation, the temperature of the coolant in the second cooling channel is unlikely to decrease.
Absstract of: US2025286084A1
A fuel cell integrated system includes a main body having a front side, a rear side, a left side, a right side, a top side, and a bottom side and being supported on a plurality of vertically arranged supporting frames; an inlet and outlet assembly having an air inlet, a cooling liquid inlet, a hydrogen inlet, a hydrogen outlet, a cooling liquid outlet, and a tail gas outlet arranged on the front side of the main body; a fuel cell module communicated with the inlet and outlet assembly and arranged on the right side of the main body; wherein the inlet and outlet assembly comprises a first L shaped supporting panel, a second L-shaped supporting panel attached to the first L-shaped supporting panel to provide a rectangular supporting panel.
Absstract of: US2025286370A1
A power generation plan revision method according to the present disclosure includes: receiving a power generation plan for a fuel cell device provided with a plurality of fuel cell power generation units; and revising the received power generation plan for the fuel cell device so as to advance a timing of changing the power-generating number of the fuel cell power generation units relative to a timing of changing from a previous unit period to a next unit period in the power generation plan, according to the magnitude of a change in the output of the fuel cell device when changing from the previous unit period to the next unit period.
Absstract of: CN120188290A
An inspection apparatus includes a first layer conveyor having a picker and a first drive device to pick up a single anode or cathode layer from a first transfer point by the picker and to send it to a first transfer point. The stacking table picks up the anode layer or the cathode layer from the pick-up device at a first transfer point to form a stacked stack. The first layer conveyor transfers the anode layer or the cathode layer from the picker to the stacking table at the first transfer point when the picker is located at the first transfer point. The third image acquirer is aligned with a region at a lateral perspective of the stack, the region including an upper edge of the stack on the stacking table and including a tab of an anode layer or a cathode layer on top of the stack, the tab of the anode layer or the cathode layer being positioned on top of the stack before or after the anode layer or the cathode layer is placed on the stacking table, and the tab of the anode layer or the cathode layer is positioned on the stacking table. And the third image collector captures the image for the third time. The drive means indicate the (non-) availability of the stack in accordance with a signal emitted from the processing of the third image capture.
Absstract of: DE102025103485A1
Die Erfindung betrifft einen Luftbefeuchter (1) zum Befeuchten trockener Frischluft (4') mittels feuchter Abluft (5'), insbesondere eines Brennstoffzellensystems, mit einem Gehäuse (2) und mit einem im Gehäuse (2) angeordneten Befeuchterblock (3), der einen Membranstapel (11) aufweist, der von einem Frischluftstrom (4) und von einem Abluftstrom (5) zum Befeuchten der trockenen Frischluft (4`) mittels der feuchten Abluft (5') durchströmbar ist und der mit für Luft undurchlässigen und für Feuchtigkeit durchlässigen Membranen (12) gebildet ist, wobei der Membranstapel (11) zwei Stirnseiten (13) aufweist, die sich in einer Blocklängsrichtung (X) gegenüberliegen, wobei der Befeuchterblock (3) zwei Endplatten (14) aufweist, die jeweils an einer der Stirnseiten (13) angeordnet sind.Die Verschleißfestigkeit lässt sich erhöhen, wenn die jeweilige Endplatte (14) über wenigstens eine in der Blocklängsrichtung (X) vorgespannte, elastische Dichtung (15) an der jeweiligen Stirnseite (13) abgestützt ist.
Absstract of: DE102025107895A1
Eine Pressenmatrizenbaugruppe weist eine feststehende Matrize und eine bewegliche Matrize auf. Die feststehende Matrize weist einen feststehendseitigen Formbereich, der eine erste Formfläche aufweist, und mehrere feststehendseitige Metallstützblöcke auf, die in einer Ebenenrichtung angeordnet sind. Die feststehendseitigen Stützblöcke stützen den feststehendseitigen Formbereich von einer Seite entgegengesetzt zu der ersten Formfläche. Die bewegliche Matrize weist einen beweglichseitigen Formbereich, der eine zweite Formfläche aufweist, die zu der ersten Formfläche zugewandt ist, und mehrere beweglichseitige Metallstützblöcke auf, die in der Ebenenrichtung angeordnet sind. Die beweglichseitigen Stützblöcke stützen den beweglichseitigen Formbereich von einer Seite entgegengesetzt zu der zweiten Formfläche. Die Elastizitätsmodule der feststehendseitigen Stützblöcke erhöhen sich mit einer sich erhöhenden Nähe zu einem zentralen Abschnitt der ersten Formfläche. Die Elastizitätsmodule der beweglichseitigen Stützblöcke erhöhen sich mit einer sich erhöhenden Nähe zu einem zentralen Abschnitt der zweiten Formfläche.
Absstract of: DE102024202007A1
Die Erfindung betrifft ein Verfahren zur Herstellung einer Dichtung (1) und/oder Klebestruktur auf einem Substrat (2), insbesondere auf einer Schicht oder Lage einer elektrochemischen Zelle, mittels Schablonendrucks, umfassend die Schritte:a) Auflegen des Substrats (2) auf einen Drucktisch (10),b) Inkontaktbringen des Substrats (2) mit einer einteiligen Schablone (3) oder mindestens einem Schablonenteil (3.1, 3.2, 3.3) einer mehrteiligen Schablone (3),c) Fixieren der Position der Schablone (3) oder des mindestens einen Schablonenteils (3.1, 3.2, 3.3) in Bezug auf das Substrat (2),d) Befüllen mindestens einer Ausnehmung (4) der ein- oder mehrteiligen Schablone (3) mit einem Dicht- und/oder Klebstoff (6) in einem Rakelprozess sowiee) Auslösen des Dicht- und/oder Klebstoffs (6) aus der mindestens einen Ausnehmung (4).Erfindungsgemäß wird das Fixieren der Position der Schablone (3) oder des mindestens einen Schablonenteils (3.1, 3.2, 3.3) in Bezug auf das Substrat (2) in Schritt c) mittels einer Magnet- oder Saugkraft bewirkt wird, welche die Schablone (3) oder das mindestens eine Schablonenteil (3.1, 3.2, 3.3) in Richtung des Substrats (2) zieht.
Absstract of: DE102025106035A1
Gezeigt ist ein Verfahren und eine Vorrichtung zum Betrieb einer Brennstoffzelle. Die Vorrichtung umfasst ein Luftversorgungssystem, ein Wasserstoffversorgungssystem, einen Sensor, eingerichtet zum Messen einer Wassermenge, oder einer Wasserbeladung eines Gases, in dem Luftversorgungssystem oder dem Wasserstoffversorgungssystem, einen Wasserabscheider, eingerichtet zum Abscheiden von Wasser aus dem Luftversorgungssystem bzw. dem Wasserstoffversorgungssystem, ein steuerbares Ventil, eingerichtet zum Ablassen des abgeschiedenen Wassers und ein Steuergerät, eingerichtet zum Abgleichen einer durch Öffnen des steuerbaren Ventils abgelassenen Wassermenge mit Messdaten des Sensors.
Nº publicación: DE102024202193A1 11/09/2025
Applicant:
BOSCH GMBH ROBERT [DE]
Robert Bosch Gesellschaft mit beschr\u00E4nkter Haftung
Absstract of: DE102024202193A1
Die vorliegende Erfindung betrifft einen Wasserabscheider (10) für eine Brennstoffzelle in einem Fahrzeug. 1. Der Wasserabscheider umfasst ein Gehäuse mit einem Einlass (15) zum Zuführen eines Abgases von einem Auslass eines Stacks der Brennstoffzelle (1) und einem Auslass (16) zum Rückführen von Wasserstoffgas an die Brennstoffzelle (1). Ein Ablassventil (12) dient zum Ablassen von flüssigem Wasser und ein Entlüftungsventil (13) dient zum Ablassen von Gas. Ein im Gehäuse angeordneter Füllstandsensor (30) dient zur kapazitiven Füllstandsmessung von flüssigem Wasser im Wasserabscheider (10). Der Füllstandsensor (30) gibt ein zum Füllstand proportionales Messsignal aus. Ferner umfasst der Füllstandsensor (30) eine Schwappdämpf- und Spritzschutzeinrichtung (31) als Schutz vor Schwappwellen und Wasserspritzern.