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DRUCK- UND STRÖMUNGSABLASSSTRATEGIEN FÜR WÄRMEMANAGEMENTKÜHLMITTELKREISLÄUFE EINER TRAKTIONSBATTERIE

Resumen de: DE102025131896A1

Es sind Wärmemanagementsysteme für das Management der Wärmeenergieniveaus eines Traktionsbatteriepacks eines elektrifizierten Fahrzeugs bereitgestellt. Ein beispielhaftes Wärmemanagementsystem kann einen Kühlmittelkreislauf zum Zirkulieren eines Kühlmittels durch den Traktionsbatteriepack beinhalten. Ein Druckablassventil kann angeordnet sein, um einen Strom eines Fluids durch einen Hilfsfluidweg des Kühlmittelkreislaufs zu steuern. Zum Beispiel kann das Druckablassventil den Strom eines Entlüftungsnebenprodukts, das durch eine Batteriezelle des Traktionsbatteriepacks freigesetzt wird, während eines Batteriewärmeereignisses des Traktionsbatteriepacks in den Hilfsfluidweg steuern. Das Entlüftungsnebenprodukt kann dann von dem Hilfsfluidweg entweder in die Atmosphäre oder einen Kühlmittelbehälter geleitet werden. Das System kann zusätzlich einen Gasabscheider beinhalten. Der Gasabscheider kann sowohl während normalen Betriebsbedingungen als auch während Batteriewärmeereignissen Gaseinschlüsse (Luft, Entlüftungsnebenprodukte usw.) aus dem Kühlmittel entfernen. Die entfernten Gase können aus innerhalb des Kühlmittelbehälters in die Atmosphäre ausgestoßen werden.

BATTERIEHEIZEN WÄHREND EINER FAHRZEUGBEWEGUNG

Resumen de: DE102024128574A1

Ein Batterieheizsystem mit einem Wechselrichter zum Umwandeln eines Gleichstroms in einen ersten Wechselstrom mit einer ersten Phase, einen zweiten Wechselstrom mit einer zweiten Phase und einen dritten Wechselstrom mit einer dritten Phase, einer Batterie zum Zuführen des Gleichstroms zum Wechselrichter und wobei eine Wechselstromkomponente dem Gleichstrom überlagert ist und wobei die Batterie in Reaktion auf die Wechselstromkomponente über ohmsche Verluste erwärmt wird, und einen Dreiphasenelektromotor, der ausgebildet ist, ein elektromagnetisches Drehmoment mit einer Quadraturkomponente und einer Direktkomponente als Reaktion auf den ersten Wechselstrom, den zweiten Wechselstrom und den dritten Wechselstrom zu erzeugen, wobei der Wechselrichter ausgebildet ist, die erste Phase, die zweite Phase und die dritte Phase einzustellen, was dazu führt, dass die Direktkomponente einen Nicht-Null-Betrag und die Quadraturkomponente derart, dass das elektromagnetische Drehmoment einen Nullbetrag aufweist.

DRY ELECTRODE COMPOSITIONS FOR LITHIUM-ION BATTERIES

Resumen de: WO2026039579A1

An electrode film formed from a dry process is provided having an elongation of at least 8 % is provided, wherein said film comprises at least 95 wt% electrode active material having a small particle size (D50 of 3 µm or less). Compositions and methods related to preparing the electrode film are provided as well as electrodes and lithium-ion batteries comprises these materials.

Verfahren und System zur Kalibrierung einer Batterie eines elektrisch betreibbaren Fahrzeugs

Resumen de: DE102024002634A1

Die Erfindung betrifft ein Verfahren zur Kalibrierung einer Batterie eines elektrisch betreibbaren Fahrzeugs (10), wobei zum Erreichen eines für die Kalibrierung erforderlichen Start-Ladezustands der Batterie ein bidirektionales Laden des Fahrzeugs (10) an einer bidirektionalen Ladestation (20) verwendet wird und wobei die anschließende Kalibrierung mittels des bidirektionalen Ladens des Fahrzeugs durchgeführt wird.Die Erfindung betrifft ferner ein System (100) zur Kalibrierung einer Batterie eines elektrisch betreibbaren Fahrzeugs (10).

Verfahren zum Herstellen eines Schichtverbundes als Vorprodukt für einen Elektrodenzusammenbau einer Batteriezelle; Verfahren zur Herstellung eines Elektrodenzusammenbaus und Schichtverbund

Resumen de: DE102024207813A1

Verfahren zum Herstellen eines Schichtverbundes, der ein Vorprodukt für einen Elektrodenzusammenbau einer Batteriezelle ist, wobei der Schichtverbund zumindest eine beidseitig eingebettete Separatorschicht aufweist, wobei die Separatorschicht in eine Struktur A-S-K oder K-S-Cxeingebettet ist,wobei A eine Anodenschicht ist, K eine Kathodenschicht ist, S eine Separatorschicht ist, und Cxeine Stromleitschicht für eine Bipolarbatteriezelle, eine anodische Stromsammelschicht odereine kathodische Stromsammelschicht ist,wobei der Schichtverbund maximal zwei Separatorschichten S enthält, und maximal eine Schicht Cxenthält,wobei das Verfahren aufweist:Herstellen der Struktur A-S-K oder K-S-Cxdurch Zusammenfügen und/oder aufeinander Abscheiden der Schichten A, S, K oder K, S, Cxzeitgleich oder in einer beliebigen Reihenfolge,wobeii) das Herstellen unter der Einwirkung von Druck und/oder Wärme erfolgt, um zumindest die Schichten A und S und/oder die Schichten K und S unter dem Einfluss des Drucks und/oder der Wärme aneinander zu binden,und/oderii) bei dem Herstellen die Schicht K und/oder A durch Abscheiden auf der Schicht S gebildet wird.

Batteriezelle, Batterie und Fahrzeug

Resumen de: DE102024123622A1

Eine Batteriezelle (20) weist eine erste Elektrodenanordnung (51) und eine zweite Elektrodenanordnung (52) auf, wobei die erste Elektrodenanordnung (51) eine erste Aktivmaterialschichtanordnung (54) aufweist, wobei die erste Aktivmaterialschichtanordnung (54) eine erste Schicht (81) aufweist, wobei die erste Schicht (81) mindestens einen Anodenwerkstoff aufweist aus einer Anodenwerkstoffgruppe bestehend aus- Graphit- Silicium-Kohlenstoff, und- Silicium-Composite-Graphit, wobei auf mindestens einer Außenseite der ersten Schicht (81) zumindest bereichsweise eine zweite Schicht (83; 83A, 83B) angeordnet ist, welche zweite Schicht (83; 83A, 83B) vertikales Graphen aufweist, wobei das vertikale Graphen eine Dotierung aufweist.

SAFE DISCHARGE AFTER BATTERY PACK THERMAL RUNAWAY

Resumen de: WO2026036341A1

A vehicle includes: an electric motor; and a battery pack, the battery pack comprising: a plurality of battery cells; a thermal management system configured to conduct thermal management of the battery pack; and a battery management system configured to: monitor at least one parameters of the battery pack; and detect a battery thermal runaway incident based on the at least one parameters of the battery pack. The vehicle further includes: a vehicle management system; and at least one load. When the battery thermal runaway incident is detected, the battery management system is configured to determine whether output power of the plurality of battery cells matches a target power. When the output power of the plurality of battery cells and the target power does not match, the vehicle management system sends a first control signal to discharge the plurality of battery cells through the at least one load.

BATTERY SWELLING SENSOR

Resumen de: US20260049845A1

In an embodiment of the techniques presented herein, a device has a battery with a conductive surface, an inductive sensor, a spacer between the inductive sensor and the conductive surface, and a processing unit connected to the inductive sensor and configured to apply an excitation signal to the inductive sensor, determine a battery swelling metric based on a response, in the conductive surface, to the excitation signal, and control the device based on the battery swelling metric. In an embodiment of the techniques presented herein, a method includes applying an excitation signal to an inductive sensor spaced apart from a conductive surface of a battery, determining a battery swelling metric based on a response, in the conductive surface, to the excitation signal, and controlling a device comprising the battery based on the battery swelling metric.

METHOD AND APPARATUS FOR HYDROGEN AND TEMPERATURE COMPOSITE MONITORING OF BATTERY ENERGY STORAGE POWER STATION

Resumen de: US20260049875A1

A method for composite monitoring on hydrogen and a temperature of a battery energy storage power station includes: obtaining a first temperature and a second temperature of at least one monitoring point in each monitoring unit based on a group of optical fibers deployed on a battery surface in the monitoring unit, in which the group of optical fibers at least includes a first optical fiber configured to measure the first temperature of a battery body, and a second optical fiber coated with a hydrogen sensitive material configured to measure the second temperature of a battery exterior; and determining a hydrogen concentration of each monitoring point respectively based on a difference between the first temperature and the second temperature corresponding to the monitoring point.

SWAPPABLE BATTERY FOR ELECTRIFIED VEHICLE AND METHOD OF CONSTRUCTION

Resumen de: US20260048679A1

The embodiments disclose a swappable battery system for electrified vehicles includes a rigid frame formed from metal or composite materials and configured for mounting on the vehicle roof. A rooftop cover encloses at least a portion of the frame, and a fire-retardant hard plastic plate forms the insulated floor. At least two openable side panels allow access to the compartment. Integrated front, rear, and side ventilation sections feature motorized louvers that regulate airflow and internal temperature. A plurality of swappable low voltage battery modules are removably installed within the frame and provide power to the vehicle's electric motor and battery control systems. A main battery management system is operatively coupled to the battery modules and configured to monitor voltage, temperature, charge state, and operational parameters. The system extends vehicle range by enabling fast battery replacement and maintaining safe, efficient energy delivery and thermal regulation during operation.

LIGHT AND BATTERY KEYED WITH AN ASYMMETRICALLY SHAPED TERMINAL

Resumen de: US20260049697A1

A portable light has a cavity configured for receiving the electrical power source and has an opening between the cavity and exterior to the portable light. A contact assembly in the cavity has an asymmetrical keying feature in a predetermined orientation in the cavity relative to the opening. An electrical power source has an asymmetrical electrical terminal configured to engage the keying feature in a predetermined orientation, and a charging port at a predetermined location relative to the asymmetrical electrical terminal. A cover includes an orienting member that engages a recess and/or projection of the electrical power source for moving the electrical power source into a predetermined orientation whereat the charging port of the electrical power source is accessible through the opening to receive charging current directly from an external charging source.

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: US20260051548A1

A secondary battery includes a positive electrode plate. The positive electrode plate includes a current collector, a tab protruding from the current collector, and an insulation layer disposed on at least one surface of the current collector. The insulation layer is disposed along a side edge of the current collector and abutted against the active material layer; the tab protrudes from the side edge of the current collector; A ratio of a thickness of the insulation layer to a thickness of the active material layer is 0.5-0.7, and the thickness of the active material layer is 200-400 μm.

METHOD FOR SORTING ALL-SOLID-STATE BATTERY OF CONFORMING PRODUCT

Resumen de: US20260051545A1

A method of determining conforming or non-conforming all-solid-state batteries includes stacking and pressing a cathode, an anode, and a solid electrolyte layer, measuring the cell's resistance in a high frequency region and an ultra-high frequency region, and sorting the cell based on the measured values. Specific frequency windows (for example, about 2-4 kHz or 30-70 kHz) and numeric thresholds (e.g., resistance of 100-150 mΩ for the high frequency region or 80-200 mΩ for the ultra-high frequency region) are used as criteria for determining if the battery meets conformity requirements. A conforming unit cell can further exhibit an initial capacitance at least 90% of its design capacitance. The method can also include discarding or reworking non-conforming pressed structures and proceeding with further battery-manufacturing steps only for conforming cells, enhancing production efficiency and ensuring high-quality final products.

ELECTROLYTE COMPOSITIONS INCLUDING QUATERNARY AMMONIUM COMPOUNDS FOR SECONDARY BATTERIES

Resumen de: US20260051540A1

Disclosed is an electrolyte composition, a secondary battery comprising the electrolyte composition, and a method of preparing a secondary battery. The electrolyte composition includes an electrolyte compound, a quaternary ammonium fluoride-containing compound, and a solvent.

STRUCTURE FOR DETECTING TEMPERATURE OF ELECTRONIC DEVICE

Resumen de: US20260049874A1

An electronic device is provided. The electronic device includes a housing configured to form an external shape thereof, a first board disposed in a first direction that is away from the housing, wherein at least one processor is mounted at the first board, a second board disposed between the housing and the first board and electrically connected with the first board, and a thermistor mounted on the second board, wherein the at least one processor measures a temperature of the housing based on an electrical signal received from the second board.

LIQUID-COOLED CONDENSER

Resumen de: US20260049747A1

A liquid-cooled condenser of a vehicle cooling system includes a refrigerant inlet and outlet mouths, through which the refrigerant fluid flows, and a liquid inlet mouth and a liquid outlet mouth through which the liquid flows. The liquid-cooled condenser includes upper and lower plate-like end elements, wherein the mouths are on the plate-like end elements. Intermediate plate-like elements in their mutual stacking define a refrigerant region, in which the refrigerant fluid flows, having refrigerant supply sections, in fluidic communication with the refrigerant inlet and outlet mouths. Transverse refrigerant sections, and a liquid region, into which the liquid flows, include liquid supply sections, in fluidic communication with the liquid inlet and outlet mouths. Transverse liquid sections alternate with the transverse refrigerant sections. A tubular element extending into the outlet refrigerant supply section, includes transverse section smaller than a transverse section of the outlet refrigerant supply section, forming a condensation gap.

HEAT SINK ASSEMBLY

Resumen de: US20260049775A1

A heat sink assembly includes a heat sink having a plurality of ribs integrally molded along a length direction of the heat sink by extrusion molding, the heat sink having spaces between the plurality of ribs forming a flow path, and the heat sink having first and second surfaces that are open at ends of the length direction of the heat sink; and a pair of end plugs respectively closing the first and second surfaces at the opposite ends of the heat sink, wherein the plurality of rib includes a center rib having one end of the first surface being closed and another end of the second surface being open with respect to the pair of end plugs, and a side rib disposed on at least one side of the center rib in a width direction of the center rib, and the side rib being open at opposite ends of the first and second surface sides.

SEMICONDUCTOR DEVICE WITH ATTACHED BATTERY AND METHOD THEREFOR

Resumen de: US20260053012A1

A method of manufacturing a semiconductor device with an attached battery is provided. The method includes affixing a semiconductor die to a die pad region of a first battery lead of a leadframe. The first battery lead of the leadframe is separated from a second battery lead of the leadframe. An encapsulant encapsulates the semiconductor die and portions of the first and second battery leads of the leadframe. The battery is affixed to an exposed portion of the first battery lead of the leadframe such that a first terminal of the battery is conductively connected to the first battery lead. An exposed portion of the second battery lead of the leadframe is bent to overlap a top surface portion of the battery such that a second terminal of the battery conductively connected to the second battery lead.

Energy storage system

Resumen de: AU2026200597A1

An energy storage system, comprising an energy storage apparatus (1), a mounting frame body (2) and a connector (3), wherein the mounting frame body is provided with a storage space (24), the energy storage apparatus is arranged in the storage space, and the mounting frame body is connected to the energy storage apparatus by means of the connector. The energy storage system can be independently transported without using containers for loading, thereby simplifying the work flow, and effectively improving the work efficiency; and moreover, the energy storage apparatus can be effectively prevented from swinging in the mounting frame body so as not to collide, and a relatively good quality of the energy storage apparatus is guaranteed. an a n

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: US20260051539A1

A secondary battery, including: a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive current collector and a positive active material layer formed on the positive current collector, the positive active material layer includes a positive active material and polyamideimide, and the electrolyte includes a compound having a sulfur-oxygen double bond and lithium difluorophosphate. The flexibility of the positive electrode can be improved, the internal resistance of the secondary battery at a low temperature can also be reduced, and the storage characteristic of the secondary battery at a high temperature can be further improved.

POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND BATTERY

Resumen de: US20260051537A1

A positive electrode material according to the present disclosure includes: a positive electrode active material; a coating material including a first conductive material and a first solid electrolyte, the coating material coating at least a portion of a surface of the positive electrode active material; a second conductive material that is a fibrous carbon material; and a second solid electrolyte. The first solid electrolyte includes Li, Ti, M, and F, and the M is at least one selected from the group consisting of Ca, Mg, Al, Y, and Zr. The second conductive material has an average fiber diameter of 0.4 nm or more and 50 nm or less.

ELECTROLYTE COMPOSITION, AND BATTERY AND DEVICE INCLUDING THE ELECTROLYTE COMPOSITION

Resumen de: US20260051538A1

An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent and a partially substituted phosphite additive. The partially substituted phosphite additive is chosen from mono(trimethylsilyl) phosphite, bis(trimethylsilyl) phosphite, a Li salt derivative thereof, or a combination thereof. Additionally, a battery and a device including the electrolyte composition is provided.

BATTERY ASSEMBLY

Resumen de: US20260051570A1

An insulating member provided between a plurality of batteries includes a first portion and a second portion arranged side by side in a first direction, the first portion is provided in a first region including a region of a housing of each of the plurality of batteries when viewed in a first direction, the second portion is provided in a second region formed on an inner side with respect to the region of the housing of each of the plurality of batteries when viewed in the first direction, the second portion is in abutment with a battery, on at least one side, of the plurality of batteries located on both sides with respect to the insulating member, and a heat insulating property of the first portion is equal to or higher than a heat insulating property of the second portion.

Pouch Type Battery Case and Apparatus for Forming the Same

Resumen de: US20260051573A1

A pouch type battery case has a pair of cases in which at least one of the pair of cases includes: a cup part, a terrace, and a protrusion. The cup part is recessed; a and the terrace is disposed on a circumference of the cup part and has a sealing part. The protrusion protrudes from the terrace in a direction opposite to a depth direction of the cup part and at least a portion of the sealing part is provided on the protrusion. An apparatus for manufacturing the pouch type battery case is also provided.

Storage battery apparatus

Nº publicación: AU2025208420A1 19/02/2026

Solicitante:

TOYOTA JIDOSHA KK
Toyota Jidosha Kabushiki Kaisha

Resumen de: AU2025208420A1

46241479_1 STORAGE BATTERY APPARATUS A storage battery apparatus may suppress non-uniformity of temperature distributions in in-plane directions of a cooler (30) in which coolant flows between stacked plates. The storage battery apparatus includes a first battery cell (22) and the cooler (30). The cooler (30) is disposed to oppose the first battery cell (22) and includes a first plate, a second plate and a first inlet. The second plate is stacked at the first battery cell side of the first plate and contacts the first battery cell directly or via a first heat conduction member. The first inlet is formed by the first plate and the second plate. A first coolant flows in at the first inlet. The second plate includes a first region, formed adjacent to a first coolant inflow direction downstream side of the first inlet, and a first recess portion, which is formed in the first region to be recessed toward the first plate. STORAGE BATTERY APPARATUS A storage battery apparatus may suppress non-uniformity of temperature distributions in in-plane directions of a cooler (30) in which coolant flows between stacked plates. The storage battery apparatus includes a first battery cell (22) and the cooler (30). The cooler (30) is disposed to oppose the first battery cell (22) and includes a first plate, a second plate and a first inlet. The second plate is stacked at the first battery cell side of the first plate and contacts the first battery cell directly or via a first heat conduction memb