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CYLINDRICAL BATTERY

Resumen de: US2025210763A1

A cylindrical battery includes: an electrode body in which a positive electrode and a negative electrode are wound with a separator therebetween; a bottomed cylindrical external can that accommodates the electrode body; and a sealing body that is fixed by staking at an opening portion of the external can via a gasket. The external can includes an annular shoulder portion that presses the gasket in the axial direction. A plurality of grooves that are positioned at intervals in the circumferential direction and extend in substantially radial directions are provided on the inner surface of the shoulder portion.

VERFAHREN ZUR HERSTELLUNG EINES ELEKTRODENFILMS, ELEKTRODENFILM UND BATTERIE

Resumen de: DE102024133842A1

Ein Verfahren zur Herstellung eines Elektrodenfilms umfasst das Aufbringen von Polyvinylidendifluorid auf Partikel aus aktivem Material, das Mischen der Partikel aus aktivem Material, an denen das Polyvinylidendifluorid haftet, mit Polytetrafluorethylen zum Erhalten einer Mischung und die Faserbildung des Polytetrafluorethylens in der Mischung. Ein Verfahren der Faserbildung wird bei einer Temperatur von 50 °C oder höher durchgeführt und die Mischung enthält kein Lösungsmittel.

ELEKTRODENMISCHUNG UND FESTKÖRPERBATTERIE

Resumen de: DE102024138195A1

Die vorliegende Offenbarung stellt eine Elektrodenmischung, die sowohl einen niedrigen Widerstand als auch eine hohe volumetrische Energiedichte erreichen kann, und eine Festkörperbatterie, die eine solche Elektrodenmischung umfasst, bereit. Die Elektrodenmischung der vorliegenden Offenbarung umfasst ein Elektrodenaktivmaterial vom geschichteten Steinsalz-Typ, einen sulfidischen Festkörperelektrolyten und ein leitfähiges Hilfsmittel. Eine D50-Teilchengröße des Elektrodenaktivmaterials vom geschichteten Steinsalz-Typ beträgt 2,5 µm oder mehr und 4,5 µm oder weniger, und ein Verhältnis einer Masse des leitfähigen Hilfsmittels zu einer Masse des sulfidischen Festelektrolyten beträgt 2,0 Massen-% oder mehr und 11,0 Massen-% oder weniger.

Verfahren zum Ermitteln einer Einbauposition eines Batteriemoduls in einer Batterie

Resumen de: DE102023213176A1

Die Batterie (1) umfasst eine Vielzahl von Batteriemodulen (20), eine Master-BMS-Einheit (10) und für jedes Batteriemodul (20) eine Slave-BMS-Einheit (30). Die Master-BMS-Einheit (10) und die Slave-BMS-Einheiten (30) umfassen jeweils einen Funktransceiver. Die Master-BMS-Einheit (10) ist ausgebildet, eine Einbauposition eines ausgewählten Slave-BMS-Einheit (30_m) in der Batterie (1) abhängig von einem Indikator für eine empfangene Signalstärke zu ermitteln. Alternativ ist die Master-BMS-Einheit (10) ausgebildet, eine Signalstärkeindikatorinformation an eine übergeordnete Recheneinheit zu senden, wobei die Signalstärkeindikatorinformation den Indikator für die empfangene Signalstärke umfasst und bewirkt, dass ein Positionsermittlungsmodul der übergeordneten Recheneinheit die Einbauposition der ausgewählten Slave-BMS-Einheit (30_m) in der Batterie (1) abhängig von dem Indikator für die empfangene Signalstärke ermittelt.

VERFAHREN ZUR HERSTELLUNG EINER ENERGIESPEICHERVORRICHTUNG, UND ENERGIESPEICHERVORRICHTUNG

Resumen de: DE102024138679A1

Ein Verfahren zur Herstellung einer Energiespeichervorrichtung, die eine Batterie, Einspritzöffnungen, ein rohrförmiges Element, das die Einspritzöffnungen umgibt, und einen Laminatfilm aufweist, umfasst einen Schritt, bei dem der Laminatfilm mit dem rohrförmigen Element in Kontakt gebracht und durch Heißpressen verschweißt wird. Am rohrförmigen Element wird ein erster Bereich, der eine Oberfläche umfasst, die den Laminatfilm berührt, durch Harz L strukturiert, und ein zweiter Bereich, der weiter zur Seite der Einspritzöffnungen hin angeordnet ist als der erste Bereich und der den ersten Bereich berührt, wird durch Harz H strukturiert. Die Schmelzpunkte Tm oder Glasübergangstemperaturen Tg des Harzes L und des Harzes lam sind niedriger als die des Harzes H. Eine Temperatur der Heißpressen ist höher als oder gleich dem Schmelzpunkt Tm oder der Glasübergangstemperatur Tg des Harzes L und des Harzes lam und ist niedriger als der Schmelzpunkt Tm oder die Glasübergangstemperatur Tg des Harzes H.

METHOD AND UNIT FOR MANUFACTURING A CELL FOR AN ELECTRIC BATTERY

Resumen de: WO2025134064A1

The invention relates to a method (12) for manufacturing a cell for a secondary battery, the method comprising: • - a first operation (O1) of moving a stacking table, wherein the movement is carried out in a first direction of movement; • - a second operation (O2) of unrolling a separator film onto the stacking table, wherein the separator film comprises a first electrode previously positioned thereon; • - a third operation (03) of moving the stacking table in a second direction of movement, opposite the first direction of movement; • - a fourth operation (04) of depositing a second electrode onto the separator film, wherein the second electrode is of opposite polarity to the first electrode; • - a fifth operation (05) of moving the stacking table in the first direction of movement.

METHOD FOR FORMING A BATTERY UNIT, AND BATTERY UNIT

Resumen de: WO2025132255A1

The aim of the invention is to provide a method for forming a battery unit, by means of which method simple production of the battery unit is made possible and by means of which a battery cell of the battery unit is securely accommodated. This aim is achieved by the method comprising the following steps: introducing a battery cell into an interior of a housing and positioning the battery cell relative to a base element in the interior of the housing, wherein the battery cell is positioned at a distance from the base element by means of a positioning device; providing a functional compound on the base element and/or the battery cell, wherein the functional compound is provided before and/or after the positioning of the battery cell; and forming a connection between the battery cell and the base element by means of the functional compound whilst the positioning device spaces the battery cell from the base element.

PROCESS FOR THE PREPARATION OF COMPOSITE PARTICLES

Resumen de: WO2025133612A1

This invention relates to a process for preparing composite particles by chemical vapour infiltration of an electroactive material into the pores of porous particles. The chemical vapour infiltration is carried out in at least two distinct phases, comprising at least one discontinuous phase and at least one continuous phase.

ELECTROLYTE FOR SECONDARY BATTERY

Resumen de: WO2025133160A1

The disclosure provides a non-aqueous electrolytes providing improved long-term storage-stability at elevated temperature In particular, the electrolyte is suitable for use in cells wherein the cathode active material has a high nickel content.

BATTERY PACK AND ELECTRIC VEHICLE

Resumen de: US2025210749A1

The disclosure relates to the field of batteries, and specifically provides a battery pack and an electric vehicle. The battery pack has a casing including a lower case base plate and a beam structure, a cell stack formed by stacking multiple pouch cells in the casing, an electrode tabs extending from an end of the pouch battery cell toward the beam structure along a length direction of the pouch battery cell, a thermally conductive structural adhesive disposed between the battery cell stack and the lower case base plate, and a foaming adhesive filling a space between the electrode tabs and the beam structure. The solution can construct a pouch CTP battery pack based on the pouch cells, which has a good protective effect on the battery cell stack formed by stacking pouch battery cells and is easy to assemble, so as to improve the overall stability of the battery pack.

BATTERY AND ASSOCIATED ASSEMBLY METHOD

Resumen de: US2025210725A1

The invention relates to a battery comprising at least two assemblies (16), each of the two assemblies (16) comprising a plurality of electrochemical cells (18) and a central plate (20), the electrochemical cells (18) of each of the two assemblies (16) comprising a first group (34) of electrochemical cells and a second group (36) of electrochemical cells which are separated from one another in the transverse direction (Y) by the central plate (20),Each of the assemblies (16) is able to move between a use configuration in which the first group (34) and the second group (36) of electrochemical cells are electrically connected to one another and a maintenance configuration in which the first group (34) and the second group (36) of electrochemical cells are electrically disconnected from one another, each of the first group (34) and of the second group (36) of electrochemical cells having a voltage of below 60 V.

INTELLIGENT BATTERY SYSTEMS, COMPONENTS FOR INTELLIGENT BATTERY SYSTEMS, METHODS OF MANUFACTURING AND OPERATING INTELLIGENT BATTERY SYSTEMS AND COMPONENTS OF THE SAME

Resumen de: US2025210734A1

Disclosed is a lead assembly for a battery system, a battery or battery system having the lead assembly, and a method of manufacturing or assembling the lead assembly, the battery, or battery system. The battery system can be a lead-acid battery system having multiple compartments. A first compartment can be a battery cells compartment and a second compartment can be a battery monitoring system (BMS) compartment. In an embodiment, multiple posts extend through bushings from the first compartment to the second compartment. A lead assembly couples the posts to the BMS. Also disclosed are various bushing designs, and various programmable circuit designs and arrangements.

POWER MAINTENANCE APPARATUS

Resumen de: US2025210729A1

A power maintenance apparatus includes a power conversion part converting voltage from a battery pack into operating voltage required for operation of a controller adapted to manage the battery pack and supply the operating voltage to the controller, and a processor controlling the power conversion part by monitoring voltage supplied from a vehicle terminal to the controller.

POWER SUPPLY DEVICE AND ROUND TERMINAL SECURING STRUCTURE

Resumen de: US2025210886A1

A power supply device includes: a battery cell; a harness connected to the battery cell; a round terminal connected to the harness; a circuit board electrically connected to the round terminal; a housing accommodating the battery cell, the circuit board, the harness, and the round terminal therein; and a pair of guide pieces holding the round terminal. The round terminal includes a flat part including an end portion having a terminal screw hole passing through the flat part in up and down directions, and a crimp part crimped together with an end of the harness so as to be connected to the end of the harness. The pair of guide pieces respectively holds edges of the flat part of the round terminal in right and left directions perpendicular to the up and down directions while the round terminal is fixed to the housing with a screw inserted into the terminal screw hole.

SOC-Korrektur

Resumen de: DE102023136047A1

Batteriesystem (1) mit einer Mehrzahl von Batteriemodulen (2), die jeweilige Sensoren (3) zur sensorischen Aufnahme von Messreihen von physikalischen Größen von in den Batteriemodulen (2) befindlichen Batteriezellen (5) und ein Batteriemanagementsystem, BMS (4), aufweisen, und einem der Mehrzahl an Batteriemodulen (2) zugeordneten Energiemanagementsystem, EMS (7), das konfiguriert ist, auf den Messreihen basierende durch die jeweiligen BMS (4) geschätzte Ladezustände, SOCs, jedes Batteriemoduls (2-1, 2-n) der Mehrzahl von Batteriemodulen (2) zu erhalten und die Mehrzahl von Batteriemodulen (2) in Abhängigkeit von den geschätzten SOCs zu betreiben, wobei das Batteriesystem (1) konfiguriert ist zum Anpassen einer Steuerung der Mehrzahl von Batteriemodulen (2), durch das EMS (7), beruhend auf korrigierten SOCs.

Schweißvorrichtung für Batteriezellen und Schweißverfahren

Resumen de: DE102023005238A1

Die Erfindung betrifft eine Schweißvorrichtung (10) und ein damit ausgeführtes Verfahren zum Verschweißen von je zwei Elektroden (24a, 24b) zweier benachbarter Batteriezellen (22a, 22b) mittels eines Zellverbinders (26), umfassend eine Laserschweißeinrichtung (12) sowie einen Niederhalter (16) mit mindestens einem gefederten Druckstück (18) zum Anpressen der zu verschweißenden Bauteile (26, 24a, 24b), wobei die Schweißvorrichtung (10) eine Scanneroptik (13) und Positionserkennung zur Erfassung der Schweißstellen und zur Ausrichtung der Laserschweißeinrichtung (12) und des Laserstrahles (32a,b) umfasst, ferner die Laserschweißeinrichtung (12) und der Niederhalter (16) baulich verbunden sind und das Druckstück (18) eine abgerundete Druckfläche (30) aufweist, welche ausgebildet ist, einen Toleranzausgleich für den Zellverbinder (26) bei der Auflage auf den zu verschweißenden Elektroden (24a, 24b) zu ermöglichen.Dadurch ist eine prozesssichere Verschweißung von geformten Zellverbindern (22) zur verbesserten Bauteilqualität erzielbar, wobei Schweißverbindungen hoher Güte insbesondere im Hinblick auf die elektrische Leitfähigkeit sichergestellt werden können. Insbesondere wird eine Dreh- oder Kippbewegung der Zellverbinder (26) ermöglicht, die sich an unterschiedlich hohe Elektroden anpassen kann.

Batteriegehäuseschale, Batteriegehäuse mit einer Batteriegehäuseschale und Batterie mit einer Batteriegehäuseschale

Resumen de: DE102023136058A1

Die vorliegende Erfindung betrifft eine Batteriegehäuseschale (10) zur Aufnahme von zumindest einer Batteriekomponente in einem von der Batteriegehäuseschale (10) zumindest teilweise begrenzten Aufnahmevolumen (1), wobei die Batteriegehäuseschale (10) eine Kanalbodenfläche (11) und eine mit der Kanalbodenfläche (11) zumindest mittelbar verbundene erste Verbindungsfläche (21) aufweist. Die Batteriegehäuseschale (10) weist eine Decklage (30) auf, die mit der ersten Verbindungsfläche (21) fluiddicht verbunden ist, so dass ein von der Kanalbodenfläche (11) und der Decklage (30) begrenztes Kanalvolumen (41) gebildet ist. Ein Kühlfluideinlass (50) der Batteriegehäuseschale (10) und ein Kühlfluidauslass (60) der Batteriegehäuseschale (10) sind mit dem Kanalvolumen (41) unter Ausbildung eines Kühlfluidkanals (40) fluidverbunden, und eine dem Kanalvolumen (41) abgewandte Kühlfläche (31) der Decklage (30) ist dem Aufnahmevolumen (1) zugewandt und zur Kontaktierung der Batteriekomponente ausgebildet.Ferner betrifft die Erfindung ein Batteriegehäuse aufweisend die Batteriegehäuseschale (10) und eine Batterie aufweisend die Batteriegehäuseschale (10).

DEVICE FOR PRODUCING ELECTRONIC OR OPTOELECTRONIC COMPONENTS OR SOLID-STATE BATTERY LAYERS OR METAL SINGLE- OR MULTILAYERS

Resumen de: WO2025132229A2

The invention relates to a device (1) and a method for producing electronic or optoelectronic components or solid-state battery layers as composite bodies or metal single- or multilayers preferably by means of a chemical vapor deposition or a physical vapor deposition, or a combination thereof, onto a substrate (2), comprising a reactor (3) for receiving the substrate (2), said reactor (3) being paired with at least one heatable storage container (4) for storing metal or at least one metal compound or at least one non-metal or at least one non-metal compound or at least one semiconductor or at least one semiconductor compound (5) in a partially or completely liquefied or evaporated form. At least one line (6) for supplying gas (8a) leads into the at least one storage container (4), and at least one line (7) for discharging a mass flow from the storage container (4) leads out of the at least one storage container (4), wherein the line (6) for supplying gas (8a) connects the storage container (4) to a gas source (8), and the storage container (4) can be or is fluidically connected to the reactor (3) via the at least one line (7) for discharging the mass flow.

SECONDARY BATTERY WITH ELECTROLYTE INJECTION PORT

Resumen de: US2025210834A1

Secondary batteries are disclosed. In an embodiment of the disclosed technology, a secondary battery may include: a case that accommodates an electrode assembly; a cap plate disposed on the case to seal an opening of the case; an electrolyte injection port disposed in the cap plate to inject an electrolyte into an internal space of the case; a sealing member that seals the electrolyte injection port. The sealing member may include: an inner cap fastened to an inner surface of the electrolyte injection port; and an outer cap inserted into and fastened to the inner cap and configured to elastically compress the inner cap toward the inner surface, thereby improving the safety of the secondary battery.

RECHARGEABLE BATTERY

Resumen de: US2025210831A1

A rechargeable battery includes an electrode assembly, a can accommodating the electrode assembly inside and including a terminal hole, a rivet terminal including a pillar part extending into the terminal hole and a head part coupled to the pillar part, and an insulator between the rivet terminal and the can. The insulator includes a middle part that surrounds the pillar part and extends into the terminal hole, an outer part contacting the head part and the outer surface of the can, and an inner part contacting the inner surface of the can. At least two of the middle part, the outer part, and the inner part include different insulating materials with different heat resistance temperatures.

Battery Module and Battery Pack Including the Same

Resumen de: US2025210800A1

A battery module includes a cell assembly including a plurality of battery cells respectively including an electrode terminal and a vent; a busbar assembly including a plurality of busbars electrically connected to the electrode terminal and a support plate supporting the plurality of busbars; and a sensing line connected to the battery cell to sense a state of the battery cell, and installed on the support plate, wherein the support plate includes a plate body opposing the vent and including a plurality of inlet ports through which gas discharged from the vent passes, a first passage in which the sensing line is installed, and a partition wall comparting the plurality of inlet ports from the first passage to block gas passing through the plurality of inlet ports from moving to the first passage.

RECHARGEABLE BATTERY

Resumen de: US2025210829A1

A rechargeable battery includes: an electrode assembly; a case to accommodate the electrode assembly; a subplate including: a first planar portion connected to the electrode assembly; and a protruding portion protruding on the first planar portion; a cap plate coupled to an open first side of the case; and a terminal plate on the cap plate, and electrically connected to the subplate, the terminal plate including: a recessed first portion including a bottom surface; and a second portion including a second planar portion connected to the recessed first portion. The recessed first portion of the terminal plate is in contact with the protruding portion of the subplate.

Lithium Secondary Battery

Resumen de: US2025210658A1

Provided is a lithium secondary battery including a negative electrode including a negative electrode composite layer including a negative electrode active material including a first negative electrode active material and a second negative electrode active material, a negative electrode conductive material, and a negative electrode binder; a positive electrode including a positive electrode composite layer including a positive electrode active material, a positive electrode conductive material, and a positive electrode binder; and an electrolyte, and CFC defined by Equation 1 is 0.38 to 1.962:CFC=100×Wc−{(D50,a1×D50,a2×L×RN/P×1010)/MWc}  Equation 1:wherein in Equation 1, all the variables are described herein.

Computing Device Having a Multiple Battery Cell Architecture Including a Temperature Sensor and Heating or Cooling Element

Resumen de: US2025210733A1

An example outdoor mounted device includes a first battery configured to operate at a low temperature range that at least includes negative 20 Celsius; a second battery configured to operate at a high temperature range; a temperature sensor; and processing circuitry configured to: determine, based on data received from the temperature sensors, a current temperature; responsive to determining that the current temperature is within the low temperature range, cause one or more components of the computing device to operate using electrical energy sourced from the first battery; and responsive to determining that the current temperature is within the high temperature range, cause the one or more components of the computing device to operate using electrical energy sourced from the second battery.

BATTERY PACK

Nº publicación: US2025210730A1 26/06/2025

Solicitante:

AESC JAPAN LTD [JP]
AESC Japan Ltd

Resumen de: US2025210730A1

Provided is a battery pack, including: a casing, the casing includes a lower housing; a battery cell stack, the battery cell stack includes multiple pouch battery cells, and the battery cell stack is configured in the lower housing; a thermal conductive structural adhesive, the battery cell stack and the bottom plate of the lower housing are directly bonded and fixed through the thermal conductive structural adhesive; a foaming adhesive, the foaming adhesive is filled and connected between the tab side of the battery cell stack and the lower housing; a flexible printed circuit board assembly, the flexible printed circuit board assembly includes: a flexible printed circuit board and an insulating connecting sheet, the flexible printed circuit board is fixedly connected to the battery cell stack through the insulating connecting sheet.