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NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260081235A1

A secondary battery comprises: an electrode body obtained by winding a negative electrode in which a negative electrode mixture layer is formed on a negative electrode core body and a positive electrode. The secondary battery is characterized in that: the negative electrode has, at the winding direction inner-end side of the electrode body, a non-facing part which does not face the positive electrode with the separator therebetween; the non-facing part has a mixture non-facing part in which the negative electrode mixture layer is formed on at least one surface of the negative electrode core body, from the winding direction outer end of the non-facing part and toward the winding direction inner side; and the average value of a mixture surface distance which is between the mixture non-facing part and the negative electrode positioned one turn outward of the mixture non-facing part is not less than 90 μm.

Method of Preparing Positive Electrode Material for Lithium Secondary Battery and Positive Electrode Material for Lithium Secondary Battery Prepared Thereby

Resumen de: US20260081137A1

A positive electrode material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material has an average particle diameter (D50) of 10 μm to 30 μm and the second positive electrode active material has a smaller average particle diameter than the first positive electrode active material. An equivalent weight of lithium in the first positive electrode active material and an equivalent weight of lithium in the second positive electrode active material are different.

ZINC ELECTRODE FOR ALKALINE NICKEL-ZINC BATTERY AND PREPARATION METHOD THEREFOR

Resumen de: US20260081133A1

Disclosed is a preparation method for a zinc electrode, including: a step of dissolving a water-soluble calcium salt of organic acid in deionized water to obtain a first mixed solution; a step of preparing a negative electrode slurry by mixing the first mixed solution, a water-soluble binder, a thickener, and an active material including zinc oxide; and a step of preparing the zinc electrode by applying the slurry to a surface of a current collector and baking it at a high temperature. Further disclosed is a zinc electrode prepared by the preparation method, and use of the zinc electrode in an alkaline nickel-zinc battery. The zinc electrode prepared in the present disclosure can not only effectively improve the deformation thereof and solve the growth problem of zinc dendrites, but also contribute to increasing the utilization rate of an active material of the zinc electrode and improving the cycle performance of the alkaline nickel-zinc battery.

Polymer Coating Process For Electrode Assemblies Incorporating Ion Exchange Materials

Resumen de: US20260081162A1

A method of manufacturing a battery cell includes forming an electrode and coating the electrode with an n-mer solution. The n-mer coated electrode is treated by heat, ultraviolet, or cross-linking agents to polymerize the n-mer and form an ion exchange material that covers at least some of the electrode.

SULFUR ELECTRODE AND METHOD FOR MANUFACTURING SAME

Resumen de: US20260081159A1

A sulfur electrode and a method for manufacturing the same are disclosed. The method for manufacturing the sulfur electrode includes: growing carbon fibers on a surface of stainless steel; connecting the stainless steel on which the carbon fibers are grown to a cathode of a current controller in an aqueous solution in which sulfur ions are dissolved; and forming a sulfur thin film on each of surfaces of the carbon fibers grown on the surface of the stainless steel and in each of spaces between the carbon fibers by controlling a current of the current controller.

LAMINATING DEVICE FOR LAMINATING MULTILAYER ENDLESS WEBS FOR PRODUCING ENERGY CELLS

Resumen de: US20260081135A1

The invention relates to a laminating apparatus for a multilayer continuous web composed of at least one separator web and at least one electrode for producing energy cells, with a pressing device which laminates the multilayer continuous web by exerting a compressive force, wherein the pressing device has two pressing surfaces, with which it comes into contact with different sides of the continuous web, and the pressing surfaces are temperature-controlled differently.

PACKAGING BAG, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US20260081252A1

This application discloses a packaging bag, a secondary battery, and an electronic device, where the packaging bag includes an encapsulation layer, a metal layer, an adhesive layer, and a packaging layer arranged in a stacked manner. The adhesive layer includes a first thermally conductive material, where a mass percentage of the first thermally conductive material in the adhesive layer is denoted as G1, and 1%≤G1≤30%. By incorporating the first thermally conductive material into the adhesive layer, heat generated during operation of the secondary battery can be more effectively conducted away, mitigating temperature rise inside the secondary battery, thereby improving the performance and safety of the secondary battery. Additionally, this enables more uniform heat distribution between the interior of the secondary battery and the packaging bag, reducing localized overheating and extending the service life of the secondary battery.

BATTERY ASSEMBLY AND BATTERY DRIVING DEVICE

Resumen de: US20260081241A1

A battery assembly includes a battery cell that accommodates an electrode assembly and includes a first electrode terminal on a first side surface of the battery cell and a second electrode terminal on a second side surface of the battery cell different from the first side surface, a protective circuit module on the first side surface of the battery cell, and a connection unit electrically connecting the first electrode terminal to the protective circuit module and the second electrode terminal to the protective circuit module.

SECONDARY BATTERY, PACK AND ELECTRONIC APPARATUS

Resumen de: US20260081236A1

A secondary battery, a pack, and an electronic apparatus are provided. The secondary battery includes an electrode assembly formed by sequentially stacking and winding a first electrode sheet, a first separator, a second electrode sheet, and a second separator and an insulating film configured to fix a tail end of the electrode assembly. A protruding end of a tail end of the first separator and a tail end of the second separator constitutes the tail end of the electrode assembly. A tail end of the second electrode sheet extends beyond a tail end of the first electrode sheet. The tail end of the electrode assembly extends beyond the tail end of the second electrode sheet. A starting end of the insulating film extends beyond the tail end of the electrode assembly.

FLUID-COOLED ELECTROCHEMICAL CELL CONFIGURATIONS AND RELATED ARTICLES, SYSTEMS, AND METHODS

Resumen de: US20260081254A1

Fluid-cooled electrochemical cell configurations and related articles, systems, and methods are generally described.

ENERGY STORAGE TEMPERATURE BALANCING DESIGN

Resumen de: US20260081258A1

A battery enclosure system and method are disclosed. The battery enclosure system may include a housing configured to enclose battery cells. The housing may include one or more baffles extending along a first direction, each baffle including a first section disposed along the first direction and a second section angled from the first section by a baffle angle. The housing may also include one or more first fans coupled to a first side wall and one or more second fans coupled to a second side wall, which is at an opposing end of the housing relative to the first side wall along the first direction. Additionally, the housing may include a set of battery cells disposed along a floor of the housing and a controller with one or more processors configured to execute a set of program instructions stored in a memory.

SECONDARY BATTERY

Resumen de: US20260081234A1

A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator therebetween, a case including a bottom portion, a side wall portion connected to the bottom portion, and an opening portion facing the bottom portion, the case accommodating the electrode assembly, and a cap assembly coupled to one end of the side wall portion of the case to seal the opening portion, wherein the case includes a groove region formed on an inner peripheral surface of the side wall portion.

METHOD OF MANUFACTURING ELECTRODE-LAMINATED BODY MODULE

Resumen de: US20260081161A1

A method of manufacturing an electrode laminated-body module of the present disclosure includes (a) producing an electrode laminated body by laminating a positive-electrode active material layer, a separator, and a negative-electrode active material layer in the stated order, and (b) injecting an electrolytic solution into an electrode laminated-body module including the electrode laminated body and an exterior body. In (a), at least one of the positive-electrode active material layer, the separator, and the negative-electrode active material layer has an ethylene carbonate layer on at least a part of a front surface thereof.

FAST-CHARGING OF HYBRID LITHIUM-ION/LITHIUM-METAL ANODES BY NANOSTRUCTURED HARD CARBON FLOWER HOST

Resumen de: US20260081160A1

The present embodiments relate generally to stable cycling of metallic lithium under high current densities and realistic cell conditions based on a flower-like nanostructured hard carbon host (CF). In embodiments, CF is both intercalated with lithium ions and plated with lithium metal to render a hybrid lithium-ion/lithium-metal anode capacity. The hybrid cells showed >99% CE up to 12 mA/cm2 (4 mAh/cm2) and >99.5% CE up to 16 mA/cm2 (2.5 mAh/cm2) with commercial carbonate electrolyte. The stability of the hybrid anodes was attributed to uniform lithium plating morphology and fast ion diffusion pathways enabled by the open-pore nanostructures of CF. Moreover, the CF∥NMC811 hybrid cells (2 mAh/cm2) showed excellent performance ( ̃70% capacity retention after 200 cycles, 100% SOC, room temperature) at 10 mA/cm2 current densities (<20 min charging for 100% SOC), while demonstrating ̃4 times anode specific capacity and much better cyclic stability compared to graphite|NMC lithium-ion cells at such current.

METHOD OF MANUFACTURING POSITIVE ELECTRODE SLURRY FOR ALL-SOLID-STATE BATTERY AND POSTIVE ELECTRODE MANUFACTURED BY THE SAME FOR ALL-SOLID-STATE BATTERY

Resumen de: US20260081147A1

Disclosed are methods of manufacturing positive electrode slurries for all-solid-state batteries, and positive electrodes manufactured using the methods. The method includes preparing a first mixture including a positive electrode active material and a solid electrolyte, adding a binder solution to the first mixture to perform a first kneading process on a second mixture having a solid content adjusted to a range of about 94 wt % to about 95 wt %, adding the binder solution to the second mixture to perform a second kneading process on a third mixture having a solid content adjusted to a range of about 90 wt % to about 93.9 wt %, and adding a conductive material solution to the third mixture to perform a mixing process on a fourth mixture having a solid content adjusted to a range of about 70 wt % to about 89.9 wt %.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260081145A1

One embodiment of the present invention provides a nonaqueous electrolyte secondary battery (10) which comprises a positive electrode (11) that contains a lithium-containing transition metal composite oxide and a sulfonic acid compound that is present on the surfaces of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). With respect to this nonaqueous electrolyte secondary battery, a negative electrode (12) comprises a negative electrode core body and a negative electrode mixture layer that is formed on the surface of the negative electrode core body; and the 1% proof stress of the negative electrode core body is 300 MPa or less.(In the formula, A represents a group 1 element or a group 2 element; R represents a hydrocarbon group; and n is 1 or 2.)

AUTOMATIC IDENTIFIER SELECTOR FOR REGISTERING BATTERY PACKS ON AN UNINTERRUPTIBLE POWER SUPPLY

Resumen de: WO2026060235A1

A method of selecting a battcry-pack identifier (ID) includes (a) assigning a first ID to a first battery pack; (b) monitoring a communication bus associated with an uninterruptible power supply (UPS) coupled to the first battery pack and a second battery pack; (c) detecting, via the communication bus, communication indicating that, prior to being assigned to the first battery pack, the first ID is assigned to the second battery pack; and (d) assigning a second ID to the first battery pack in response to detecting the communication, the second ID being different from the first ID.

USE OF DC/DC CONVERTER FIELD EFFECT TRANSISTOR IN SOLID STATE RELAY CIRCUIT

Resumen de: WO2026060112A1

A method, and apparatuses are disclosed for use of a field effect transistor (FET) from a DC/DC converter as part of a solid state relay (SSR) circuit. A solid state relay (SSR) includes a first field effect transistor (FET) and a second FET. The first FET is implemented as an ideal diode. The second FET is included in a DC/DC converter circuit. The first FET and the second FET are in electrical communication with one another. A battery management system comprising the SSR and a battery comprising the SSR are also disclosed.

INLINE-BATTERIE-ELEKTROLYT-LECKDETEKTION

Resumen de: DE102024131940A1

Ein System, das so konfiguriert ist, dass es das Auslaufen eines Elektrolyten aus einer Batteriezelle detektiert. Das System umfasst: eine Sonde, die so konfiguriert ist, dass sie die Batteriezelle kontaktiert und eine luftdichte Verbindung zwischen der Sonde und der Batteriezelle über einer Einfüllöffnung der Batteriezelle erzeugt, die mit einer Dichtung verschlossen wurde; eine Pumpe, die in Fluidkommunikation mit der Sonde steht, wobei die Pumpe so konfiguriert ist, dass sie ein Vakuum durch die Sonde zieht; ein Gehäuse, das eine Kammer definiert, die ein Fenster umfasst, wobei sich die Sonde vom Gehäuse erstreckt, die Pumpe so mit dem Gehäuse verbunden ist, dass sie das Vakuum durch die Sonde in die Kammer zieht; und einen Sensor, der so konfiguriert ist, dass er das Vorhandensein des Elektrolyten innerhalb der Kammer detektiert, der durch das von der Pumpe erzeugte Vakuum aus der Batteriezelle durch die Dichtung der Einfüllöffnung gezogen wird, wobei das Vorhandensein des Elektrolyten in der Kammer angibt, dass die Dichtung der Einfüllöffnung der Batteriezelle beschädigt ist.

URLAUBSMODUS FÜR EIN WIEDERAUFLADBARES ENERGIESPEICHERSYSTEM

Resumen de: DE102024132789A1

Ein Fahrzeug, ein System und ein Verfahren zum Energiemanagement für ein wiederaufladbares Energiespeichersystem (RESS) werden bereitgestellt. Das Verfahren umfasst das Identifizieren eines gewünschten Ladezustands (SOC) des RESS zu einer Rückkehrzeit; das Aktivieren eines Urlaubsmodus mit einem Ziel-SOC und einem Ziel-RESS-Temperaturbereich, wobei der Ziel-SOC kleiner als der gewünschte SOC ist; das Bestimmen, ob ein aktueller SOC größer als der Ziel-SOC ist; wenn der aktuelle SOC größer als der Ziel-SOC ist, das Verbrauchen von RESS-Energie für den gesamten Energiebedarf; wenn der aktuelle SOC kleiner als der Ziel-SOC ist, Verbrauchen von Energie von einem Ladegerät für den gesamten Energiebedarf; Bestimmen, ob eine RESS-Temperatur außerhalb des Ziel-RESS-Temperaturbereichs liegt; und wenn die RESS-Temperatur außerhalb des Ziel-RESS-Temperaturbereichs liegt, Durchführen eines thermischen Bedingungsprozesses, um die RESS-Temperatur auf eine Temperatur innerhalb des Ziel-RESS-Temperaturbereichs zu ändern.

ELEKTROCHEMISCHE ABSCHEIDUNG VON METALLOXIDÜBERZÜGEN AUF KATHODENAKTIVMATERIALIEN

Resumen de: DE102024131941A1

Aspekte der Offenbarung umfassen die elektrochemische Abscheidung eines Metalloxidüberzugs auf Kathodenaktivmaterialien und daraus resultierende Batteriezellen. Ein beispielhaftes Fahrzeug umfasst einen Elektromotor und ein Batteriepack, das elektrisch mit dem Elektromotor gekoppelt ist. Das Batteriepack umfasst eine Batteriezelle, die einen Anodenstromkollektor umfasst, eine Anodenaktivmaterialschicht in direktem Kontakt mit einer Fläche des Anodenstromkollektors, einen Kathodenstromkollektor, eine Kathodenaktivmaterialschicht in direktem Kontakt mit einer Fläche des Kathodenstromkollektors und einen Separator, der zwischen der Anodenaktivmaterialschicht und der Kathodenaktivmaterialschicht positioniert ist. Die Kathodenaktivmaterialschicht umfasst Kathodenaktivmaterialien, die einen Metalloxidüberzug aufweisen. Der Metalloxidüberzug wird elektrochemisch auf die Kathodenaktivmaterialien abgeschieden.

CONNECTOR WITH INTEGRATED FERRITE

Resumen de: WO2026060254A1

A module is disclosed for insertion to a housing of a battery. The module includes a connector having one or more battery terminals, the one or more battery terminals electrically coupling to one or more cells,.Each of the one or more battery terminals includes a first portion, a second portion contiguous with the second portion and a third portion contiguous with the second portion. One or more ferrite beads each surround a corresponding second portion of a battery terminal of the one or more battery terminals.

MEHRSCHICHTIGER BATTERIEPACK MIT EINER UMGEDREHTEN SCHICHT AUS ZYLINDRISCHEN ZELLEN

Resumen de: DE102025137173A1

Eine Traktionsbatteriepackbaugruppe beinhaltet eine erste Schicht aus zylindrischen Batteriezellen und eine zweite Schicht aus zylindrischen Batteriezellen. Die zweite Schicht ist relativ zu der ersten Schicht umgedreht. Eine weitere Traktionsbatteriepackbaugruppe beinhaltet eine Umhüllungsbaugruppe, die einen Innenbereich bereitstellt; eine erste Vielzahl von zylindrischen Batteriezellen, die auf einer ersten Schicht innerhalb des Innenbereichs angeordnet ist; eine zweite Vielzahl von zylindrischen Batteriezellen, die auf einer zweiten Schicht innerhalb des Innenbereichs angeordnet ist; und eine Sammelschienenbaugruppe, die zwischen der ersten Schicht und der zweiten Schicht eingefügt ist. Die Sammelschienenbaugruppe weist eine erste Seite auf, die erste Klemmen der ersten Vielzahl von zylindrischen Batteriezellen berührt. Die Sammelschienenbaugruppe weist eine gegenüberliegende, zweite Seite auf, die zweite Klemmen der zweiten Vielzahl von zylindrischen Batteriezellen berührt. Eine Polarität der ersten Klemmen ist dieselbe wie eine Polarität der zweiten Klemmen.

HEIZSYSTEM FÜR EIN KRAFTFAHRZEUG

Resumen de: DE102024208942A1

Die vorliegende Entwicklung betrifft ein Heizsystem (10) für ein Kraftfahrzeug (1) umfassend:- einen Fluidkreislauf (60), in welchem ein Wärmetauschermedium (39) zirkuliert,- einen katalytischen Konverter (40), welcher thermisch mit dem Fluidkreislauf (60) gekoppelt, über einen Einlass (41) mit einem Brennstoff (36) versorgbar und dazu ausgestaltet ist, den über den Einlass (41) zugeführten Brennstoff (36) unter Verwendung eines Katalysators (35) und unter Abgabe thermischer Energie an den Fluidkreislauf (60) in ein Reaktionsprodukt (38) umzuwandeln.

IN EINEM FAHRZEUG VORGESEHENE BATTERIEEINBAUSTUKTUR

Nº publicación: DE102025124500A1 19/03/2026

Solicitante:

TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA

Resumen de: DE102025124500A1

Batterieeinbaustruktur in einem Fahrzeug, die umfasst: einen Batteriestapel, der mit mehreren rechteckigen Batterien konfiguriert ist, die in einer Dickenrichtung der rechteckigen Batterien gestapelt sind; ein unteres Gehäuse, das eine Öffnung in einer Oberseite aufweist; ein oberes Gehäuse, das an einem oberen Teil des unteren Gehäuses angebracht ist, um die Öffnung zu verschließen, und dessen Unterseite offen ist; Befestigungselemente, die das untere Gehäuse und das obere Gehäuse so miteinander befestigen, dass eine Kraft in der Dickenrichtung vom unteren Gehäuse und vom oberen Gehäuse auf den Batteriestapel ausgeübt wird; und ein Querelement, das ein Teil eines Fahrzeugkörperrahmenelements ist, das das untere Gehäuse und das obere Gehäuse trägt und sich in einer Fahrzeugbreitenrichtung erstreckt, und dessen untere Fläche eine Kraft in der Dickenrichtung auf eine obere Fläche des oberen Gehäuses ausübt.