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BATTERIESCHUTZMITTEL

NºPublicación:  DE102025128742A1 22/01/2026
Solicitante: 
FORD GLOBAL TECH LLC [US]
Ford Global Technologies, LLC

Resumen de: DE102025128742A1

Vorgestellt ist eine Batteriezelle. Die Batteriezelle weist eine negative Elektrode, eine positive Elektrode und einen Separator auf, der zwischen den Elektroden angeordnet ist. Der Separator beinhaltet eine Wasser mittels Dochtwirkung transportierende wärmeempfindliche Organophosphat-Keramikbeschichtung, die zum Freisetzen von Wasser bei steigender Temperatur innerhalb der Batterizielle konfiguriert ist.

Verfahren zum Kalibrieren eines Batterietemperaturmodells für eine Traktionsbatterie, Traktionsbatterie für ein Kraftfahrzeug sowie Kraftfahrzeug

NºPublicación:  DE102024120546A1 22/01/2026
Solicitante: 
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

Resumen de: DE102024120546A1

Die Erfindung betrifft ein Verfahren zum Kalibrieren eines Batterietemperaturmodells für eine Traktionsbatterie, wobei mittels des Batterietemperaturmodells anhand von Sensorwerten eine individuelle Temperatur jeweiliger Batteriezellen der Traktionsbatterie ermittelt werden kann, wobei bei dem Verfahren ein erster Datensatz ermittelt wird, indem sämtliche für die Traktionsbatterie vorgesehenen Batteriezellen einzeln mit einem Strompuls beaufschlagt werden und eine aus dem Strompuls resultierende erste Temperaturantwort der jeweiligen Batteriezellen ermittelt wird (V1), und/oder ein zweiter Datensatz ermittelt wird, indem sämtliche für die Traktionsbatterie vorgesehenen Batteriezellen mit einem für die Traktionsbatterie vorgesehenen Kühlsystem zu einem Batteriezellkomplex zusammengebaut werden, das Kühlsystem mit einem Kühlfluid durchströmt wird und eine aus dem Durchströmen des Kühlsystems mit dem Kühlfluid resultierende, sich in den jeweiligen Batteriezellen einstellende zweite Temperaturantwort der jeweiligen Batteriezellen ermittelt wird (V2), ein auf Nominalwerten bezüglich der Temperaturantwort der Batteriezellen basierendes Batterietemperaturmodell in Abhängigkeit von dem ersten Datensatz und/oder dem zweiten Datensatz angepasst wird (V3).

BATTERIEZELLENANORDNUNG FÜR EIN FAHRZEUG

NºPublicación:  DE102024126495A1 22/01/2026
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
CN_121366970_PA

Resumen de: DE102024126495A1

Eine Batteriezellenanordnung umfasst ein Gehäuse, mindestens einen Elektrodenstapel, eine Kühlplatte, einen Einsatz und einen Fluiddurchflusspfad. Das Gehäuse umfasst ein erstes Ende und ein zweites Ende und definiert einen Hohlraum, wobei das erste Ende Anschlüsse umfasst und das zweite Ende eine Lüftungsöffnung definiert. Der mindestens eine Elektrodenstapel ist innerhalb des Hohlraums angeordnet und umfasst innere Abschnitte, die einen zentralen Raum definieren, wobei der zentrale Raum mit der Lüftungsöffnung ausgerichtet ist. Die Kühlplatte ist mit dem zweiten Ende des Gehäuses gekoppelt. Der Einsatz ist innerhalb des zentralen Raums des mindestens einen Elektrodenstapels angeordnet. Der Fluiddurchflusspfad ist selektiv innerhalb des Einsatzes definiert und auf die Lüftungsöffnung gerichtet.

Kühlkreislaufkomponente für einen Kühlkreislauf eines Hochvoltspeichers, Runddichtung für eine Kühlkreislaufkomponente und Hochvoltspeicher umfassend einen Kühlkreislauf mit wenigstens einer Kühlkreislaufkomponente

NºPublicación:  DE102024120406A1 22/01/2026
Solicitante: 
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

Resumen de: DE102024120406A1

Die Erfindung betrifft eine Kühlkreislaufkomponente (1) für einen Kühlkreislauf eines Hochvoltspeichers, aufweisend ein erstes Kühlkreislaufkomponententeil (2A) und ein zweites Kühlkreislauf-komponententeil (2B), wobei das erste Kühlkreislaufkomponententeil (2A) und das zweite Kühlkreislaufkomponententeil (2B) unter Bildung eines Kühlmittel-kanals (3) zumindest bereichsweise überlappen, und wenigstens eine Dichtung (4), zur fluiddichten Abdichtung des ersten Kühlkreislaufkomponententeils (2A) mit dem zweiten Kühlkreislaufkomponententeil (2B), wobei die wenigstens eine Dichtung (4) sowohl mit dem ersten Kühlkreislaufkomponententeil (2A) als auch mit dem zweiten Kühlkreislaufkomponententeil (2B) in Verbindung steht, und wobei die wenigstens eine Dichtung (4) wenigstens ein Quellelement (5) umfassend ein quellfähiges Material aufweist.

STORAGE-BATTERY UNIT

NºPublicación:  WO2026017285A1 22/01/2026
Solicitante: 
CARL FREUDENBERG KG [DE]
CARL FREUDENBERG KG
WO_2026017285_PA

Resumen de: WO2026017285A1

The invention relates to a storage-battery unit (10) comprising: an electrode-separator unit (12), a compensation unit (14), and a housing unit (16), the electrode-separator unit (12) being designed to receive, output and/or store electrical energy, the compensation unit (14) being located between the electrode-separator unit (12) and the housing unit (16), and the compensation unit (14) being designed to prevent and/or reduce a change in shape of the electrode-separator unit (12) being imparted to the housing unit (16).

COMPOSITE CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

NºPublicación:  WO2026018041A1 22/01/2026
Solicitante: 
BORSODCHEM ZRT [HU]
WANHUA CHEMICAL YANTAI BATTERY MAT SCIENCE CO LTD [CN]
BORSODCHEM ZRT,
WANHUA CHEMICAL (YANTAI) BATTERY MATERIAL SCIENCE CO., LTD
WO_2026018041_PA

Resumen de: WO2026018041A1

The present application relates to a composite cathode active material comprising an iron phosphide compound, and further discloses a preparation method thereof, as well as an application thereof for use in the preparation of battery positive electrode plates and secondary batteries. The composite cathode active material of the present application comprises lithium iron phosphate particles, lithium iron phosphate particles coated with carbon, lithium iron phosphate particles coated with an iron phosphide compound, lithium iron phosphate particles coated with an iron phosphide compound and carbon, and iron phosphide compound particles.

THERMAL REGULATION DEVICE FOR COMPONENTS

NºPublicación:  WO2026017302A1 22/01/2026
Solicitante: 
VALEO SYSTEMES THERMIQUES [FR]
VALEO SYSTEMES THERMIQUES
WO_2026017302_PA

Resumen de: WO2026017302A1

The invention relates to a device (2) for the thermal regulation of components (4), which device comprises: a housing (30) defining a compartment (60) configured to receive the components; - a dielectric fluid flow channel (6) in this compartment, which channel (6) comprises at least one dielectric fluid inlet and outlet (8, 10); - two separators (12) arranged to receive the components (4) such that these components (4) extend through the separators (12) and on either side thereof, which separators (12) are configured to create at least three stages of dielectric fluid flow, the separators being arranged such that the dielectric fluid entering through the inlet successively passes through the stages (E1, E2, E3), which each define a section (26) of the channel (6), and the separators (12) each comprise a free edge (27) so as to create a fluid passageway between two stages.

TEMPERATURE CONTROL DEVICE FOR COMPONENTS

NºPublicación:  WO2026017303A1 22/01/2026
Solicitante: 
VALEO SYSTEMES THERMIQUES [FR]
VALEO SYSTEMES THERMIQUES
WO_2026017303_PA

Resumen de: WO2026017303A1

The invention relates to a temperature control device (2) including a housing (30) defining a compartment (60) configured to receive the components, these components being intended to be immersed in dielectric fluid, the housing comprising a plurality of side walls forming the compartment, at least one side wall comprising a profile having a corrugated shape configured to follow the profile of the components in the compartment, the housing being configured to be in fluid connection with a fluid manifold external to the compartment, the profile of the side wall comprising fluid ducts being configured to be in fluid connection with the manifold so as to distribute fluid from the manifold to the inside of the compartment, the ducts of the profile of the wall being arranged at least at some of the vertices and bases of the corrugated shape.

COMPLEX FACILITY AND FACILITY LAYOUT

NºPublicación:  US20260021602A1 22/01/2026
Solicitante: 
SK ON CO LTD [KR]
SK ON CO., LTD
US_20260021602_PA

Resumen de: US20260021602A1

Proposed are a complex facility and a facility layout. The complex facility includes a positive electrode manufacturing machine, a negative electrode manufacturing machine, a positive electrode first direction transferring machine, a negative electrode first direction transferring machine, at least one positive electrode second direction transferring machine, at least one negative electrode second direction transferring machine, at least one first stacker, and at least one second stacker. The facility layout includes a plurality of complex facilities.

POLYMER AND USE THEREOF

NºPublicación:  US20260022207A1 22/01/2026
Solicitante: 
SHENZHEN SENIOR TECH MATERIAL CO LTD [CN]
SHENZHEN SENIOR TECHNOLOGY MATERIAL CO., LTD
US_20260022207_PA

Resumen de: US20260022207A1

The present application provides a polymer and use thereof. The polymer includes a first block represented by Formula 1 and a second block represented by Formula 2; R1 is selected from a substituted or unsubstituted C1-C30 alkyl, a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkoxy, and a substituted or unsubstituted C6-C60 aryl; R2 is selected from a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkyl, a substituted or unsubstituted C1-C30 alkoxy, a substituted or unsubstituted C6-C60 aryl and *-b1-S—S-b2-*; b1 and b2 are each independently selected from a substituted or unsubstituted C2-C15 chain alkyl or a substituted or unsubstituted C6-C60 aryl; and R3 is an ionic liquid-containing group. The special molecular structure of the polymer enables the polymer to have excellent electrochemical performance and mechanical strength when applied to a composite electrolyte.

METHOD OF CONTINUOUS TOTAL LIQUID-PHASE SULFIDE-BASED SOLID STATE BATTERY ELECTRODE SLURRY COATING

NºPublicación:  US20260024740A1 22/01/2026
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
US_20260024740_PA

Resumen de: US20260024740A1

A method of making a solid-state electrode sheet is provided. The method includes mixing precursors capable of chemically reacting to form a target solid-state electrolyte (SSE) together with one or more of a binder, an electrode active material, and a conductive carbon in a solvent to form a coating slurry. The precursors a undergoes a chemical reaction in the solvent to form the target SSE. The coating slurry is applied onto a current collector. The solvent is evaporated from the coating slurry on the current collector, thereby producing a solid-state electrode sheet having a target SSE. The precursors may be lithium sulfide (Li2S) and phosphorus pentasulfide (P2S5) reacting in a tetrahydrofuran (THF) solvent to produce a sulfide-base SSE such as Li3PS4.

BATTERY

NºPublicación:  US20260024886A1 22/01/2026
Solicitante: 
NINGDE AMPEREX TECH LIMITED [CN]
Ningde Amperex Technology Limited
US_20260024886_PA

Resumen de: US20260024886A1

An battery includes a housing, an electrode assembly, and a first conductive plate, where the housing includes a first recess; the electrode assembly is disposed in the first recess, the electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate, the electrode assembly is formed by winding the first electrode plate, the second electrode plate, and the separator around a winding axis, and the electrode assembly includes a central portion; and the first conductive plate includes a main body portion and a plurality of connection portions arranged in an array around the main body portion, and ends of the connection portions are all spaced apart from each other and each are connected to the first electrode plate. The first conductive plate is connected to a bottom of the first recess.

SYSTEMS AND METHODS FOR IMPROVED BATTERY PACK ASSEMBLY

NºPublicación:  US20260024882A1 22/01/2026
Solicitante: 
FORD GLOBAL TECH LLC [US]
Ford Global Technologies, LLC
US_20260024882_PA

Resumen de: US20260024882A1

The present application discloses a battery pack comprising a first battery cell pair with a first cell and a second cell. The first cell has a first terminal extending towards the second cell, and the second cell has a second terminal extending towards the first cell. The first terminal has a first terminating portion folded towards the second terminal and extending back towards the first cell, and the second terminal has a second terminating portion folded towards the first terminal and extending back towards the second cell. The battery pack also includes a clip configured to bias the first and second terminals towards each other, disposed in a space between the first and second terminals.

POSITIVE ELECTRODE CURRENT COLLECTORS FOR RECHARGEABLE LITHIUM BATTERIES, ELECTRODES CONTAINING POSITIVE ELECTRODE CURRENT COLLECTORS, AND RECHARGEABLE LITHIUM BATTERIES CONTAINING POSITIVE ELECTRODE CURRENT COLLECTORS

NºPublicación:  US20260024777A1 22/01/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
US_20260024777_PA

Resumen de: US20260024777A1

The present disclosure relates to a positive electrode current collector for a rechargeable lithium battery, a positive electrode including the positive electrode current collector, and a rechargeable lithium battery including the positive electrode current collector. In particular, the present disclosure relates to a positive electrode current collector including an aluminum alloy current collector; and an aggregate including Cu and Al dispersed inside the aluminum alloy collector, wherein the aggregate includes Cu and Al which satisfy a certain mathematical relationship.

SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE

NºPublicación:  US20260024895A1 22/01/2026
Solicitante: 
AESC JAPAN LTD [JP]
AESC Japan Ltd
US_20260024895_PA

Resumen de: US20260024895A1

A secondary battery, a battery pack, and an electronic device is provided. The secondary battery includes a top cover, a terminal post disposed on the top cover, an electrode assembly, and a rivet. The electrode assembly includes a cell body and a tab protruding from the cell body. A riveting hole is provided on the tab. The rivet is connected to the terminal post and penetrates through the riveting hole to rivet the terminal post and the tab.

METHOD FOR PRODUCING SILICON ELECTRODES AS ANODES FOR LITHIUM ION BATTERIES AND A SILICON ELECTRODE PRODUCED USING SAME

NºPublicación:  US20260024751A1 22/01/2026
Solicitante: 
NORCSI GMBH [DE]
NORCSI GMBH
US_20260024751_PA

Resumen de: US20260024751A1

The invention relates to a method for producing a silicon electrode as an anode for a lithium ion battery, in which an active layer is deposited on a substrate, preferably copper, and then undergoes a rapid tempering, as well as an anode produced using same. The object of the invention of providing a method, which dispenses with the need for a vacuum section for depositing the active material, in particular silicon, for the production of anodes for lithium ion batteries, and thereby allows for an extremely cost-optimised production of almost pure silicon anodes for lithium ion batteries, is achieved in that the active layer is formed from a silicon and metal particle mixture, which is applied to the substrate in a dry process and stabilised in a controlled manner via the rapid tempering to form a semi-porous active layer and fixed to the substrate.

NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

NºPublicación:  US20260024801A1 22/01/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
US_20260024801_PA

Resumen de: US20260024801A1

A negative active material for a rechargeable lithium battery includes a core including a SiO2 matrix and a Si grain, and a coating layer continuously or discontinuously coated on the core. The coating layer includes SiC and C, and the peak area ratio of the SiC (111) plane to the Si (111) plane as measured by X-ray diffraction analysis (XRD) using a CuKα ray ranges from about 0.01 to about 0.5.

ELECTROLYTE, SECONDARY BATTERY, AND ELECTRIC APPARATUS

NºPublicación:  US20260024804A1 22/01/2026
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
US_20260024804_PA

Resumen de: US20260024804A1

A secondary battery, an electrolyte, and an electric apparatus. The secondary battery includes a positive electrode plate, an electrolyte, a separator, and a negative electrode current collector, where the electrolyte includes a non-aqueous solvent, an electrolytic salt, and an additive; the non-aqueous solvent includes an ether organic solvent; the additive includes a first additive; and the first additive includes one or more of a phosphite additive or a borate additive.

ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

NºPublicación:  US20260024803A1 22/01/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
US_20260024803_PA

Resumen de: US20260024803A1

Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte includes a non-aqueous organic solvent, a phosphorus-based lithium salt, an imide-based lithium salt, and an additive. The additive includes an aliphatic disocyanate compound.

ELECTRODE TAB BENDING DEVICE AND ELECTRODE TAB BENDING METHOD

NºPublicación:  US20260024799A1 22/01/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
US_20260024799_PA

Resumen de: US20260024799A1

A device and a method for bending an electrode tab. The device includes a support configured to support an electrode assembly including at least one electrode tab, a guide above the electrode tab and configured to move in a reciprocating manner toward and away from the electrode tab, and a jig below the electrode tab and configured to move in a reciprocating manner toward and away from the electrode tab. Further, the jig is positioned at a distance from the guide in a direction in which the electrode tab protrudes, and the jig is configured to move toward the electrode tab to press and bend the electrode tab.

CROSS-LINKED STYRENIC ORGANIC PARTICLE AND PREPARATION METHOD THEREFOR, CROSS-LINKED STYRENIC ORGANIC PARTICLE EMULSION, SEPARATOR, SECONDARY BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

NºPublicación:  WO2026016683A1 22/01/2026
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026016683_A1

Resumen de: WO2026016683A1

The present disclosure provides a cross-linked styrenic organic particle and a preparation method therefor, a cross-linked styrenic organic particle emulsion, a separator, a secondary battery cell, a battery device, and an electric device. The separator comprises a porous base film and a coating located on at least one side of the porous base film, wherein the coating comprises the cross-linked styrenic organic particle, the cross-linked styrenic organic particle comprises a polar group, and the polar group comprises one or more of an ester group, a carboxyl group, a carboxylate, a hydroxyl group, a cyano group, and an amide group. The secondary battery cell has high mass energy density, high reliability, and good cycle performance.

ADDITIVE COMPOSITION, ELECTROLYTE, AND BATTERY

NºPublicación:  WO2026016422A1 22/01/2026
Solicitante: 
GUANGZHOU TINCI MATERIALS TECH CO LTD [CN]
JIUJIANG TINCI MATERIALS TECH CO LTD [CN]
\u5E7F\u5DDE\u5929\u8D50\u9AD8\u65B0\u6750\u6599\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u4E5D\u6C5F\u5929\u8D50\u9AD8\u65B0\u6750\u6599\u6709\u9650\u516C\u53F8
WO_2026016422_A1

Resumen de: WO2026016422A1

The present application provides an additive composition, an electrolyte, and a battery. The additive composition comprises a first additive and a second additive; the first additive comprises a compound having a structural formula of formula 1; and the second additive comprises trimethylolpropane phosphite. The additive composition provided by the present application, when applied to an electrolyte, can enable batteries to exhibit excellent normal-temperature and high-temperature cycle performance, rate performance, and safety performance.

ELECTROLYTE AND BATTERY

NºPublicación:  WO2026016428A1 22/01/2026
Solicitante: 
GUANGZHOU TINCI MATERIALS TECH CO LTD [CN]
\u5E7F\u5DDE\u5929\u8D50\u9AD8\u65B0\u6750\u6599\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026016428_A1

Resumen de: WO2026016428A1

Provided in the present application are an electrolyte and a battery. The electrolyte is used for a battery comprising a lithium supplementing additive, and the lithium supplementing additive is a lithium supplementing additive capable of decomposing to generate oxygen. The electrolyte includes an additive shown in Formula 1. In Formula 1, R1, R2, R3, and R4 are each independently selected from a C1-C5 alkyl group, a C2-C5 alkenyl group, a C2-C5 alkynyl group, a C6-C12 aryl group, a C3-C6 unsaturated cyclic hydrocarbyl group unsubstituted or substituted with Ra, a C1-C6 alkoxy group unsubstituted or substituted with Ra, a C2-C6 alkenyloxy group unsubstituted or substituted with Ra, a C2-C6 alkynyloxy group unsubstituted or substituted with Ra, a C6-C12 aryloxy group unsubstituted or substituted with Ra, and a heteroatom. At least one of R1, R2, R3, and R4 contains an unsaturated bond. The substituent Ra is selected from a C1-C5 alkyl group or a halogen atom. The present application can reduce the expansion rate of a battery, inhibit lithium plating, reduce impedance, and improve the high-temperature cycle performance and storage performance of the battery.

THERMAL MANAGEMENT OF ELECTRICAL ENERGY STORAGE PACK OF A VEHICLE

NºPublicación:  US20260021745A1 22/01/2026
Solicitante: 
TEXTRON INC [US]
Textron Inc
US_20260021745_PA

Resumen de: US20260021745A1

Techniques involve utilizing a ducting system for an electric vehicle. The ducting system includes a motor housing constructed and arranged to house at least a portion of an electric propulsion motor of the electric vehicle. The ducting system further includes a storage pack housing coupled with the motor housing, the storage pack housing being constructed and arranged to house at least a portion of an electrical energy storage pack that supplies electric power to the electric propulsion motor. The ducting system further includes a fluid control assembly constructed and arranged to control fluid flow between the motor housing and the storage pack housing.

METHOD FOR OPERATING A DRIVE DEVICE FOR A MOTOR VEHICLE, CORRESPONDING DRIVE DEVICE FOR A MOTOR VEHICLE AND COMPUTER PROGRAM PRODUCT

Nº publicación: US20260021743A1 22/01/2026

Solicitante:

AUDI AG [DE]
AUDI AG

US_20260021743_PA

Resumen de: US20260021743A1

A method for operating a drive device for a motor vehicle, includes a traction battery having a plurality of cell modules and a drive unit which is designed as an electric traction machine and is electrically connected via an inverter to electrical connections of the traction battery. The cell modules can be electrically connected in different ways between the connections. The cell modules are divided up into battery modules which in each case contain the same number of electrically parallel-connected cell modules and are electrically connected in series between the connections. A number of the battery modules is adapted during operation of the drive device in such a way that an electrical voltage applied to the connections corresponds to at least an operating voltage of the traction machine.

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