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SYSTEMS AND METHODS FOR ADAPTIVE USB CHARGING

Resumen de: AU2023432487A1

Systems and methods are provided for charging a chargeable electronic device with a USB interface. An example method includes comparing a charging voltage level of a charging device to a charge voltage rage. The method may further include charging a battery with a charging current based on the charging voltage level being within the charging voltage range. The method may further include comparing the charging current to a charge current range, and increasing the charging current based on a determination that it is within the charge current range. The method may involve again comparing the charging voltage level to the charge voltage range and the charging current to the charge current range, and continuing to charge the chargeable electronic device with the charging current based on a determination that the charging voltage level is within the charge voltage range and the charging current is within the charge current range.

SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: US2025246693A1

This application provides a secondary battery, a battery module, a battery pack, and an electrical device. The secondary battery includes a positive electrode plate and an electrolyte solution. The electrolyte solution contains a film-forming additive. A film resistance xΩ of the positive electrode plate and a mass percent y % of the film-forming additive based on a total mass of the electrolyte solution satisfy: x×y≤25. The film resistance and the film-forming additive of the secondary battery provided in this application satisfy the above relationship. Regulating the film resistance and the film-forming additive of the secondary battery as disclosed enhances the Coulombic efficiency, high-temperature cycle performance, and high-temperature storage performance of the battery.

LITHIUM SECONDARY BATTERY

Resumen de: US2025246725A1

A lithium secondary battery is provided. The lithium secondary battery includes an electrode assembly accommodated inside a battery case. The battery case has two or more storage spaces separated by at least one partition wall, and each storage space accommodates at least one electrode assembly. The partition wall sequentially includes a first sealing layer, a first metal layer, and a second sealing layer.

TRACTION BATTERY PACK THERMAL MANAGEMENT FLUID GUIDING SYSTEM AND METHOD OF GUIDING THERMAL MANAGEMENT FLUID

Resumen de: US2025246716A1

A traction battery pack assembly including an enclosure, a cell stack within an interior of the enclosure. The cell stack includes a plurality of battery cells disposed along a cell stack axis. Each of the battery cells has a vent. A plurality of standoffs support the cell stack within the enclosure. The plurality of standoffs are configured to guide a liquid coolant of an immersion thermal management system within the interior. The plurality of standoffs are disposed along the cell stack axis at positions that are axially misaligned with the vents.

POLYMER, ELECTRODE PLATE AND ASSOCIATED BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246630A1

A battery includes a battery cell including a positive electrode plate and a negative electrode plate. At least one of the positive electrode plate or the negative electrode plate includes a polymer that includes an aldehyde ketone polymer. The aldehyde ketone polymer has a slope K of an elastic modulus G′-loss modulus G″ curve that is measured by subjecting a sheet-like structure formed of the aldehyde ketone polymer to dynamic frequency scanning tests at (Tm+20)° C., and 0.8≤K<∞, where Tm° C. represents the melting temperature of the aldehyde ketone polymer.

HOUSING, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025246723A1

Provided are a housing, a battery cell, a battery, and an electric device, which relate to the field of battery technologies. The housing includes a bottom plate, a side plate, and a transition rounded corner. The bottom plate has a first inner wall surface. The first inner wall surface includes a first surface and a second surface. The second surface is located at an outer peripheral side of the first surface. The side plate has a second inner wall surface. The transition rounded corner has a third inner wall surface. The first surface and the second surface are connected to each other by the third inner wall surface. At least one of the second surface and the third inner wall surface has an avoidance recess configured to avoid an edge of the cell.

BATTERY MODULE

Resumen de: US2025246720A1

A battery module configured to block heat propagation in response to an event occurring in a battery cell. The battery module includes battery cells arranged in one direction and at least one insulating spacer between the battery cells. The insulating spacer includes a pouch region having a space defined therein and a phase change material configured to fill at least a part of the space.

Zylindrische Batteriezelle und Verfahren zur Herstellung dieser

Resumen de: DE102024102377A1

Die Erfindung betrifft ein zur Herstellung einer zylindrischen Batteriezelle. Das Verfahren weist die Schritte des a) Bereitstellens (100) eines zylindrischen Batteriezellenrohlings (11) mit einer Außenwandung, welche Stahl aufweist; b) Aufbringens (300) eines Primers (19) auf zumindest Teilen der Außenwandung; c) Verschließens (400) des Batteriezellenrohlings (11) mittels Laser-Schweißen oder Crimp-Verschluss; und d) Befüllens (500) des Batteriezellenrohlings (11) mit einem Elektrolyten (18) auf. Ferner betrifft die Erfindung eine zylindrische Batteriezelle (10), ein Batteriepack (20) aufweisend eine Mehrzahl an zylindrischen Batteriezellen (10) und ein Verfahren zur Herstellung dessen, sowie ein Kraftfahrzeug (30) aufweisend zumindest ein Batteriepack (20).

METHOD AND DEVICE FOR SEPARATING BATTERY PLATES

Resumen de: WO2025157470A1

For separating battery plates (10) contained in a stack (9), with battery plates (10) that are bonded together being separated from one another by the battery plates (10) being moved horizontally and vertically relative to one another, battery plates (10) are moved horizontally by plates (4) being placed against substantially vertically oriented edges of the battery plates (10) and being pivoted about substantially vertical axes (14), and are moved vertically by a plate that provides support for the battery plates (10) being pivoted about a substantially horizontal axis, the horizontal and vertical relative movements of the battery plates (10) being performed one after the other or at the same time.

Batteriepack

Resumen de: DE102024136959A1

Bereitstellung eines Batteriepacks, der ein Batteriemodul in einem Gehäuse ordnungsgemäß sichern kann.LösungEin Batteriepack umfasst: ein Gehäuse; eine Vielzahl von gestapelten und im Gehäuse untergebrachten Batteriemodulen; ein Dichtungsmaterial aus Harz, das an einer Außenseite von Endabschnitten der Batteriemodule angeordnet ist; stromführende Platten, die gestapelt und zwischen den Batteriemodulen so angeordnet sind, dass Endabschnitte der stromführenden Platten innerhalb der Endabschnitte der Batteriemodule positioniert sind und eine elektrische Verbindung zwischen den Batteriemodulen herstellen; Kühlelemente, die gestapelt und zwischen den Batteriemodulen so angeordnet sind, dass Endabschnitte der Kühlelemente innerhalb der Endabschnitte der Batteriemodule positioniert sind und die Batteriemodule kühlen; und ein Füllmaterial, das in das Gehäuse gefüllt ist, um das Batteriemodul, die stromführende Platte und die Kühlelemente untereinander und im Gehäuse zu fixieren.

Verfahren zum temperaturabhängigen Anpassen eines Ladestroms für einen Ladevorgang eines elektrochemischen Energiespeichers

Resumen de: DE102024200835A1

Verfahren zum temperaturabhängigen Anpassen eines Ladestroms für einen Ladevorgang mindestens eines elektrochemischen Energiespeichers eines elektrisch antreibbaren Fahrzeugs.

WÄRMEUNTERDRÜCKUNGSSYSTEME ZUR VERWENDUNG IN TRAKTIONSBATTERIEPACKS

Resumen de: DE102025102681A1

Wärmeunterdrückungssysteme werden zur Verwendung in Traktionsbatteriepacks bereitgestellt. Ein beispielhaftes Wärmeunterdrückungssystem kann einen oder mehrere Wärmeunterdrückungsbehälter beinhalten, die dazu konfiguriert sind, ein Wärmeunterdrückungsmittel freizusetzen, wenn eine Temperatur in der Nähe des Wärmeunterdrückungsbehälters einen vordefinierten Temperaturschwellenwert überschreitet. Das Wärmeunterdrückungsmittel kann Partikel erfassen oder einfangen, die Batterieentlüftungsnebenprodukten zugeordnet sind, wodurch die Übertragung von Wärmeenergie auf nahegelegene Strukturen verwaltet oder sogar verhindert wird.

Verfahren zum Herstellen von voraktivierten Lithiumübergangsmetalloxiden für Akkumulatoren, die Lithiumionen zyklisieren

Resumen de: DE102024110213A1

Bei einem Verfahren zum Herstellen eines voraktivierten Lithiumübergangsmetalloxids (LiTMO) für einen Akkumulator, der Lithiumionen zyklisiert, wird das LiTMO in einen Elektrolyten eingetaucht, der in einem Reaktor angeordnet ist, der eine Arbeitselektrode und eine Gegenelektrode umfasst, die über den Elektrolyten in ionischer Verbindung stehen. Das LiTMO wird einem elektrochemischen Delithiierungs- und Relithiierungszyklus unterzogen, der einen elektrochemischen Delithiierungsschritt, gefolgt von einem elektrochemischen Relithiierungsschritt, umfasst. Im elektrochemischen Delithiierungsschritt wird ein elektrischer Strom auf eine solche Weise an die Arbeitselektrode angelegt, dass das LiTMO oxidiert wird, Lithiumionen aus dem LiTMO freigesetzt werden, um ein delithiiertes LiTMO zu bilden, und die aus dem LiTMO freigesetzten Lithiumionen sich im Elektrolyten lösen. Bei der elektrochemischen Relithiierung wird ein elektrischer Strom auf eine solche Weise an die Gegenelektrode angelegt, dass das LiTMO reduziert wird und die im Elektrolyten gelösten Lithiumionen in das LiTMO eingelagert werden, um ein relithiiertes LiTMO zu bilden.

DRAIN VALVE FOR POWER BATTERY PACK

Resumen de: US2025246788A1

Disclosed is a drain valve for a power battery pack. Gaps are formed between outer sides of the guide plates and the valve body, and guide grooves are formed in the outer sides of the guide plates. Liquid entering the valve body via the liquid inlet flows to the liquid-swellable body via gaps between the guide plates, and the liquid-swellable body swells to jack up the valve cover, such that the guide grooves are connected to an opening between the valve cover and the valve body to form a draining passage. The drain valve for a power battery pack optimizes the position of the draining passage and the swelling space of the liquid-swellable body to ensure that the space of the draining passages will not be affected by the liquid-swellable body in a swelling state, thus guaranteeing a normal draining function.

BATTERY CELL AND ASSEMBLING METHOD THEREOF, BATTERY, ELECTRICAL APPARATUS, AND ASSEMBLING ASSEMBLY

Resumen de: US2025246775A1

A battery cell includes an electrode assembly, a case, an end cover assembly, and a current collecting component. The electrode assembly includes a first tab. The case is used for accommodating the electrode assembly, and the case has an opening. The end cover assembly covers the opening and is provided with an electrode lead-out portion. The current collecting component includes a tab connecting region and an end cover connecting region. The tab connecting region is used for connecting to the first tab. The end cover connecting region is welded to the inner side of the electrode lead-out portion and forms a first welded portion. The penetration depth of the first welded portion formed on the electrode lead-out portion is smaller than or equal to the thickness of the electrode lead-out portion.

BUSBAR MODULE

Resumen de: US2025246762A1

A busbar module includes a case that is assembled to a battery module, and a flexible substrate that is held in the case. A main body of the flexible substrate includes a trunk portion, and a branch portion branched from the trunk portion. Meanwhile, the case includes a trunk holding portion, a branch holding portion that is positioned closer to the battery module side than the trunk holding portion, and a connecting wall that connects the trunk holding portion and the branch holding portion. The trunk holding portion, the branch holding portion, and the connecting wall form a stepped portion. Further, the branch portion includes a curved portion that curves smoothly in a connecting portion with the trunk portion. A holding portion that holds the main body in a state in which a curved shape of the curved portion is maintained is formed in the case.

Current Collector with Embossed Bumps

Resumen de: US2025246771A1

A current collector with embossed bumps, includes a central region and edge regions, the central region being used for welding to the housing of the battery; the central region is provided with a plurality of embossed bumps in a cross array distribution. In one embodiment, the number of embossed bumps in each row is sequentially cross-distributed in odd and even numbers. In one embodiment, the embossed bumps in the odd number row are located on the symmetry axis of the two embossed bumps in the even number row. In one embodiment, three adjacent embossed bumps are distributed in an equilateral triangle. This embossed bumps design can increase the melting area of the weld by 24%, thereby increasing the welding strength at the bottom and increasing the welding firmness, and meanwhile reduce the internal resistance of the bottom welding point by 22%, thereby reducing the dissipation of electrical energy due to the internal resistance.

Batteriesystem und Kraftfahrzeug

Resumen de: DE102024106685A1

Die vorliegende Erfindung betrifft ein Batteriesystem (10-1; 10-2) umfassend: eine Batterievorrichtung (1) mit einem Kühlmitteleinlass (1.3), einem Kühlmittelauslass (1.4), einem Kühlmittelraum (1.2), der derart mit dem Kühlmitteleinlass (1.3) und dem Kühlmittelauslass (1.4) verbunden ist, dass ein Kühlmittel (K1, K2-1; K2-2) von dem Kühlmitteleinlass (1.3) durch den Kühlmittelraum (1.2) zu dem Kühlmittelauslass (1.4) strömen kann, und mindestens einer Batteriezelle (1.5), die zumindest teilweise innerhalb des Kühlmittelraums (1.2) angeordnet ist, und ein Kühlmittelbereitstellungssystem (2), das mit dem Kühlmitteleinlass (1.3) verbunden ist, und das eingerichtet ist, ein Kühlmittel (K1, K2-1; K2-2) an den Kühlmitteleinlass (1.3) bereitzustellen, wobei das Kühlmittelbereitstellungssystem (2) eingerichtet ist, wahlweise entweder ein gasförmiges Kühlmittel (K1) oder ein flüssiges Kühlmittel (K2-1) beziehungsweise entweder ein gasförmiges Kühlmittel (K1) oder ein weiteres gasförmiges Kühlmittel (K2-2) an den Kühlmitteleinlass (1.3) bereitzustellen. Die vorliegende Erfindung betrifft ferner ein Kraftfahrzeug (100-1; 100-2) mit einem derartigen Batteriesystem (10-1; 10-2).

Schaumbefüllungsvorrichtung zum Ausschäumen eines Speichergehäuses für einen elektrischen Energiespeicher, Verfahren sowie Speichergehäuse

Resumen de: DE102024102677A1

Die Erfindung betrifft eine Schaumbefüllungsvorrichtung (1) zum Ausschäumen eines Speichergehäuses (2) für einen elektrischen Energiespeicher (3), mit wenigstens einem ersten Befüllungselement (13), welches wenigstens eine erste Austrittsöffnung (15) zum Befüllen eines sich innerhalb des Speichergehäuses (2) erstreckenden ersten Hohlraums (10) mit Schaum (4) aufweist, und mit wenigstens einem zweiten Befüllungselement (14), welches wenigstens eine von der ersten Austrittsöffnung (15) beabstandete, zweite Austrittsöffnung (16) zum Befüllen eines sich innerhalb des Speichergehäuses (2) erstreckenden und von dem ersten Hohlraum (10) unterschiedlichen, zweiten Hohlraums (11) mit dem Schaum (4) aufweist.

THERMAL SUPPRESSION SYSTEMS FOR USE WITHIN TRACTION BATTERY PACKS

Resumen de: US2025246721A1

Thermal suppression systems are provided for use within traction battery packs. An exemplary thermal suppression system may include one or more thermal suppression containers configured to release a thermal suppression agent when a temperature near the thermal suppression container exceeds a predefined temperature threshold. The thermal suppression agent may capture or trap particles associated with battery vent byproducts, thereby managing or even preventing the transfer of thermal energy to nearby structures.

Negative Electrode Material, Preparing Method Thereof, Negative Electrode Including the Same, and Lithium Secondary Battery Including the Negative Electrode

Resumen de: US2025246606A1

A negative electrode material including an inorganic coating layer, a method of preparing the same, a negative electrode including the negative electrode material, and a lithium secondary battery including the negative electrode. The negative electrode material includes a core containing a silicon oxide particle and at least one selected from among lithium silicate, lithium disilicate, and lithium silicide, and an inorganic coating layer surrounding the core, where the inorganic coating layer includes metal phosphate, a metal phosphate derivative, or a lithium oxide-non-metal phosphate composite.

ELECTRODE, NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, SECONDARY BATTERY, MOVING VEHICLE, ELECTRONIC DEVICE, METHOD FOR FABRICATING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR FABRICATING NEGATIVE ELECTRODE

Resumen de: US2025246611A1

A negative electrode with little deterioration is provided. A novel negative electrode is provided. A power storage device with little deterioration is provided. A novel power storage device is provided. The electrode contains silicon, graphite, and a graphene compound. A silicon particle with a particle diameter of less than or equal to 1 μm is attached to a graphite particle with a particle diameter 10 times or more that of the silicon particle. The graphene compound is in contact with the graphite particle so as to cover the silicon particle.

NON-AQUEOUS SECONDARY BATTERY AND MANUFACTURING METHOD OF NON-AQUEOUS SECONDARY BATTERY

Resumen de: US2025246619A1

A non-aqueous secondary battery comprising a cathode and a anode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains at least one of calcium ions and magnesium ions at a 0.1 mol/L or higher concentration with the entire non-aqueous electrolyte solution as a standard, and the cathode includes a non-aqueous secondary battery containing dehydroascorbic acid, a cathode active material, a salt containing calcium ions or magnesium ions, and a cathode composite material mixed with ascorbic acid, a step of forming a battery comprising a cathode, a anode, and a non-aqueous electrolyte, and a step of decomposing the salt by applying a voltage to the battery, wherein the cathode composite material includes a non-aqueous secondary battery containing the salt as a standard and 1% by mass or more of the total cathode composite material.

CATHODE MATERIALS HAVING OXIDE SURFACE SPECIES

Resumen de: US2025246616A1

The present disclosure concerns lithium zirconium phosphate (LZP) chemical oxides for coated cathode active materials, which are useful in cathodes (i.e., positive electrodes) of rechargeable lithium-batteries for reversibly storing lithium ions (Li+).

SECONDARY BATTERY

Nº publicación: US2025246729A1 31/07/2025

Solicitante:

SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd

Resumen de: US2025246729A1

One embodiment of the present disclosure relates to a secondary battery including a cylindrical can including a circular bottom part, and a side part extending from the bottom part, the side part having an open end portion, an electrode assembly accommodated in the cylindrical can, a current interrupt device disposed in the open end portion of the side part and having a vent therein, and a gasket disposed between the side part and the current interrupt device and including a protrusion configured to support a lower part of the current interrupt device.According to the embodiment of the present disclosure, by improving the shape of the gasket, components such as a cap-up and a safety vent are not deformed by pressure when a crimping part and a beading part are formed on the can for assembly of the cap assembly. Thus, the stability of the secondary battery can be improved.