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THERMAL MANAGEMENT DEVICE, BATTERY MODULE, AND ELECTRIC EQUIPMENT

Resumen de: US20260081251A1

The present disclosure provides a thermal management device, a battery module, and an electric equipment. The thermal management device includes a thermal conductor configured to be in contact with a battery; and a heater including a heat generating portion embedded in the thermal conductor.

BATTERY PACK, AND METHOD FOR MANUFACTURING BATTERY PACK

Resumen de: US20260081283A1

A battery cell holder to mount a battery cell therein and a battery pack are disclosed. The battery cell holder may include a first body at an upper portion and a lower portion of the battery cell, having a first set of exposure grooves to expose a first electrode terminal and a second electrode terminal of the battery cell, and extending around a side of the battery cell; a second body coupled to the first body, at the upper portion and the lower portion of the battery cell, having a second set of exposure grooves to expose the first electrode terminal and the second electrode terminal of the battery cell, and extending around another side of the battery cell; a first electrode tab that contacts a first electrode terminal of the battery cell; and a second electrode tab that contacts a second electrode terminal of the battery cell.

AUTOMATIC METHOD FOR ESTIMATING THE VARIATION IN ENTROPY OF A CELL OF A BATTERY

Resumen de: WO2026057309A1

The invention relates to an automatic method for estimating the variation in entropy of a cell of a battery, this method comprising: - a calibration phase (130) comprising: • a step (132) of reading, for different charge states of the cell, values of the charge state of the cell, the internal temperature of the cell and the intensity of the current that passes through the cell and/or the voltage between the terminals of the cell, and • determining (134), on the basis of the readings taken, coefficients βj of a polynomial model that links a value ΔSk2 of the variation in entropy at a time k2 to a value SOCk2 of the charge state of the cell at this time k2, and - during an operating phase, estimating (116) the value ΔSk2 of the variation in entropy of the cell using the polynomial model.

MULTI-LAYER ANODE FOR A SOLID-STATE BATTERY, PRODUCTION AND USE THEREOF, AND THE SOLID-STATE BATTERY CONTAINING THE MULTI-LAYER ANODE

Resumen de: WO2026057242A1

The invention relates to a multi-layer anode (40) for a solid-state battery, said anode being applied to an anode current collector (50) and comprising or consisting of a first layer (42) and a second layer (44), wherein the first layer (42) has one or more metal elements selected from the group consisting of silver (Ag), magnesium (Mg), gold (Au), palladium (Pd), aluminum (Al), bismuth (Bi), indium (In), tin (Sn), gallium (Ga), platinum (Pt), cadmium (Cd), germanium (Ge), selenium (Se), antimony (Sb), arsenic (As) and/or titanium (Ti), and the second layer (44) consists of a protective oxide layer which has or consists of one or more oxides of silicon (Si) and/or the above elements. The invention is distinguished by the fact that the ultrathin multi-layer anode according to the invention makes it possible to provide solid-state batteries which exhibit high energy density, making it possible to improve the reversibility of the lithium plating/stripping process during charging/discharging and to improve the cycle life of the solid-state battery.

THERMAL CONTROL DEVICE, IN PARTICULAR FOR COOLING

Resumen de: WO2026057252A1

The invention relates to a thermal control device (1), in particular for cooling, for an electrical component (100) capable of releasing heat, the device comprising an upper plate (2), an intermediate plate (3) and a lower plate (4), the intermediate plate (3) being assembled by being interposed between the upper plate (2) and the lower plate (4), in order to together form a plurality of circulation channels (5) for a heat-transfer fluid, the channels (5) extending between a fluid inlet zone and a fluid outlet zone, in which thermal control device the intermediate plate (3) comprises a plurality of bars (10) which each have a perimeter at least partially delimiting at least one of the channels (5), and two bars (10) on either side of the channel (5) are connected together by at least one bridge of material (20) which extends locally across the channel (5) between these bars (10).

LITHIUM IRON BORATE PHOSPHATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND SECONDARY BATTERY

Resumen de: WO2026055932A1

The present application relates to the technical field of positive electrode materials of batteries, and provides a lithium iron borate phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The chemical general formula of the lithium iron borate phosphate positive electrode material is LixFeTiyPzBwO(4z+3w+2y)/C, wherein x, y, z, and w are all non-zero positive numbers, 1.02≤x≤1.05, 0.01≤y≤0.05, 0.92≤z≤0.95, and 0.05≤w≤0.15, and on the basis of the mass of the lithium iron borate phosphate positive electrode material being 100%, the mass content of C is 1.00% to 1.35%. The lithium iron borate phosphate positive electrode material provided by the present application has a low price, excellent ionic conductivity, high capacity, excellent rate performance, and improved cycling stability, and thus has wide prospects for application.

STRUCTURE OF BATTERY CELLS, BATTERY MODULES OR BATTERY PACK INTEGRATED WITH LIQUID COOLING CHANNELS

Resumen de: WO2026058025A1

when Electric Vehicle are "Ultra Fast charged" or in case it needs extreme Power output, the drive Battery will heat up significantly. if the heat cannot be removed quickly enough, the heat can lead to degradation of Battery performance and potential risk of thermal Runaway. Furthermore At cold wheather under 0C degrees most lithium battery cells cannot be fast charged, risk of lithium (Li) plating and Battery in shortage range. The present Invention is plurality of Battery Cells Casing together with Liquid Channels constructed and integrated into Battery Module Housing or into Battery Pack Housing. This innovative solution enhance Liquid cooling and Heating of Battery Cells efficiently at optimal condition.

THERMAL MANAGEMENT COMPLEX, AND BATTERY PACK AND ENERGY STORAGE SYSTEM COMPRISING THE SAME

Resumen de: WO2026057168A1

Provided is a thermal management complex, including a protective layer (30); and a heat barrier layer (20) provided on at least one surface of the protective layer (30), wherein the protective layer (30) includes a resin having a thermal expansion coefficient of 5 ppm/°C to 50 ppm/°C in a temperature range of 100°C to 200°C, the surface, provided with the heat barrier layer (20), of the protective layer (30) is modified, and the heat barrier layer (20) includes a silicone-based resin matrix.

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.

NEGATIVE ELECTRODE PLATE, METHOD FOR PREPARING NEGATIVE ELECTRODE PLATE, AND LITHIUM-ION BATTERY

Resumen de: US20260081165A1

This application provides a negative electrode plate, a method for preparing a negative electrode plate, and a lithium-ion battery. The negative electrode plate includes: a negative current collecting layer; and a lithiated binding layer, attached to an inner surface of the negative current collecting layer, where a lithiation degree of a side of the lithiated binding layer away from the inner surface is greater than a lithiation degree of a side of the lithiated binding layer close to the inner surface. According to the technical solutions in this application, the lithiated binding layer in the negative electrode plate has a conductive gradient and a binding gradient, which resolves the problem of detachment in a negative electrode plate with a conventional binder, increases a rate of battery kinetics, and increases initial coulombic efficiency of a lithium-ion battery, increasing capacity of the lithium-ion battery.

ELECTRICAL INSULATION DEVICE FOR BUSBAR

Resumen de: US20260081055A1

An insulation device for a busbar includes a support and at least one cover made of electrically insulating material and attached to the support. The at least one cover is slidably mounted on the support by at least one guide member.

SPIRO-BASED IONIC LIQUID ELECTROLYTE FOR LOW TEMPERATURE SUPERCAPACITORS AND METHODS OF FABRICATING SAME

Resumen de: US20260081082A1

A method for fabricating an ionic liquid electrolyte such as a spiro-based ionic liquid electrolyte, the method has the steps of: synthesizing an intermediate spiro-based product, and applying an ionic exchange process to the intermediate spiro-based product to obtain the ionic liquid electrolyte. The obtained an ionic liquid electrolyte comprising an ionic liquid salt with a cation of: (I) The ionic liquid electrolyte may be used in an electrochemical energy-storage apparatus such as a supercapacitor.

METHOD FOR DESIGNING COMPOSITION OF LAYERED STRUCTURE OF LYC COMPOUND AND RECORDING MEDIUM COMPRISING SAME

Resumen de: US20260080981A1

Disclosed is a method for designing the composition of a layered structure of Li3YCl6 compound exhibiting enhanced ionic conductivity, which provides a method for designing the composition of a lithium yttrium halide solid electrolyte with a hexagonal close-packed structure, the method being executed by a processor, the method including: calculating possible diffusion paths for lithium ions to migrate an adjacent octahedral site in the a-b plane in each consecutive layer constituting a unit cell with a hexagonal close-packed structure; calculating the activation barrier energy for lithium ion diffusion for each of the calculated diffusion paths; and determining the occupancy of yttrium within the unit cell to form a percolation state where diffusion paths with a low calculated activation barrier energy are connected within the unit cell.

TECHNIQUES FOR ESTIMATION OF HIGH-RESOLUTION SURFACE TEMPERATURE MAPS IN BATTERY PACKS

Resumen de: US20260079805A1

Systems and methods for estimating battery surface temperatures comprise generating a core temperature estimate for the battery based on a battery model. A set of lumped temperature states may be generated based on the core temperature, the set of lumped temperature states comprising temperature estimates for different regions of the battery. Additional condensed information may be retrieved relating to the battery. A surface temperature map may be generated for the battery based on the set of lumped temperature states and the additional condensed information using a mapping function.

Techniken zur Schätzung hochaufgelöster Oberflächentemperaturkarten in Batteriepacks

Resumen de: DE102025137674A1

Systeme und Verfahren zum Schätzen von Batterieoberflächentemperaturen weisen das Erzeugen einer Kerntemperaturschätzung für die Batterie basierend auf einem Batteriemodell auf. Basierend auf der Kerntemperatur kann eine Menge konzentrierter Temperaturzustände erzeugt werden, wobei die Menge konzentrierter Temperaturzustände Temperaturschätzungen für verschiedene Bereiche der Batterie aufweist. Zusätzliche verdichtete Informationen können bezüglich der Batterie wiedergewonnen werden. Basierend auf der Menge konzentrierter Temperaturzustände und den zusätzlichen verdichteten Informationen kann unter Verwendung einer Abbildungsfunktion eine Oberflächentemperaturkarte für die Batterie erzeugt werden.

Verfahren und System für eine Batterieproduktion

Resumen de: DE102024127014A1

Die vorliegende Offenbarung betrifft ein Verfahren (300) für eine Batterieproduktion, umfassend:- Empfangen, durch ein Eingabemodul, von Ist-Daten in Bezug auf einen Produktionsprozess einer Batterieanordnung, wobei die Ist-Daten eine Verklebung von Batteriezellen (10) mit wenigstens einem Kühlelement (20) betreffen;- Anpassen (310), durch ein Analysemodul, wenigstens eines Prozessparameters für den Produktionsprozess unter Verwendung wenigstens eines Analysealgorithmus basierend auf den Ist-Daten; und- Durchführen (320), durch wenigstens eine Produktionsvorrichtung, einer Verklebung von Batteriezellen (10) mit wenigstens einem Kühlelement (20) basierend auf dem angepassten wenigstens einen Prozessparameter.

Verfahren zur Herstellung eines Batteriemoduls, Batteriemodul sowie ein Fahrzeug mit einem solchen Batteriemodul

Resumen de: DE102024126877A1

Es wird ein Verfahren zur Herstellung eines Batteriemoduls (100) vorgeschlagen. Das Verfahren weist folgende Schritte auf:• (S1) Bearbeiten einer Oberfläche (18) zumindest eines Bauteils des Batteriemoduls (100) zur Erzeugung einer Oberflächenstruktur (26), wobei das Batteriemodul (100) zumindest eine Batteriezelle (16) und zumindest einen Hohlraum (14) aufweist und• (S2) Befüllen des zumindest einen Hohlraums (14) des Batteriemoduls (100) mit einem Befüllmaterial (24) zur mechanischen Lagerung des zumindest einen Bauteils im Batteriemodul (100).

BATTERIEZELLE MIT FENSTER FÜR OPTISCHE SPEKTROSKOPIE

Resumen de: DE102025137190A1

Eine Batterie beinhaltet eine Batteriezelle, die ein optisches Fenster aufweist, das dazu konfiguriert ist, eine externe optische Spektroskopie des Inneren der Batteriezelle zu ermöglichen. Das Fenster beinhaltet eine in einem Gehäuse der Batteriezelle ausgebildete Öffnung und eine Materialschicht, die die Öffnung überspannt. Die Materialschicht ist mindestens teilweise transparent für elektromagnetische Strahlung und ist dazu konfiguriert, die Permeation von durch die Batteriezelle erzeugten Gasen durch das Fenster zu hemmen

BATTERY CELL DESIGNS FOR IMPROVED CHARGE RATE AND TEMPERATURE REGULATION

Resumen de: WO2026060211A1

A battery cell includes a shaft disposed in an orthogonal orientation relative to a plane of a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode. The first electrode includes one or more layers of a first electrode active material having at least one dimension smaller than a corresponding dimension of the first current collector such that an outer perimeter of the first current collector is exposed to form a peripheral tab in electrical contact with a case of the battery cell. The second electrode includes one or more layers of a second electrode active material having at least on dimension that is smaller than a corresponding dimension of the second current collector such that an inner perimeter of the second current collector is exposed to form a central tab in electrical contact with the shaft.

BATTERY SYSTEM FOR WEARABLE ELECTRONIC DEVICES

Resumen de: US20260079552A1

A power supply and management system used in handheld and wearable electronic devices. The system provides one or more batteries that are selectively removable from the device in a manner where the device is continuously powered and/or usable, including during recharging, replacement, or swapping of one or more of the batteries. The device either has multiple receptacles for multiple batteries, which allows batteries to be alternately removed and replaced while the remaining battery continues to provide power, or may include an on-board power storage apparatus that allows for short-term removal of all batteries while maintaining power and operation. In addition, power management of the system allows for selective use or depletion of multiple batteries to achieve uniform depletion, avoiding over-cycling of a single battery, transferring charge between batteries, and reserving charge in one battery until the other is fully depleted—all designed to maintain reliable power and operation.

DEVICE AND METHOD FOR PREDICTING LIFE OF BATTERY

Resumen de: US20260079214A1

The present disclosure relates to a method of predicting a life of a battery. The method includes calculating cumulative slippage data based on life assessment data of a battery, calculating a correlation between the cumulative slippage and a performance life of the battery, and predicting a life of the battery based on the correlation.

BATTERY ENERGY ESTIMATION SYSTEM AND METHOD FOR BATTERIES

Resumen de: US20260079210A1

The present invention provides a system for energy estimation in batteries, comprising a battery set-up module configured to define a configuration of one or more batteries. The system has a state-of-charge (SOC) estimation module that comprises a calculation module configured to obtain battery specifications and compute system parameters, a graph plotting module configured to generate voltage-energy graph at pre-defined load conditions, and an estimation module configured to determine SOC and runtime values based on discharge voltage and voltage-energy graphs. It also has an analysis module configured to uninterruptedly monitor and analyze battery voltage, SOC, and runtime, a notification module configured to initiate warnings when the monitored voltage SOC and runtime approach predetermined thresholds, and a shut-down module to enable a safe shutdown and backup operation.

BATTERY MANAGEMENT SYSTEM, BATTERY MANAGEMENT METHOD, AND STORAGE MEDIUM

Resumen de: US20260079211A1

A battery management system includes: a first processor that controls charging of a secondary battery; a voltage sensor that detects a voltage of the secondary battery; and a second processor that estimates an estimated range to which a battery level of the secondary battery belongs among multiple battery level ranges. Based on the detected voltage in a charging state among multiple charging states of the first processor, the second processor tentatively determines a tentative range to which the battery level belongs among the multiple battery level ranges. Based on comparison between the tentative range and a past estimated range estimated in a past, the second processor estimates a current estimated range that is the estimated range of this time.

SYSTEM AND METHOD FOR PREDICTING LIFE OF BATTERY

Resumen de: US20260079209A1

The present disclosure relates to a system for predicting a life of a battery. The system may include a training data generation device configured to generate first data comprising life data of a reference battery and profile data for each battery degradation mode of the reference battery. The system may further include a prediction model generation device configured to generate, based on the first data, one or more life prediction models to predict profile data for each battery degradation mode with initial life data of a target battery as input. The system may also include a life prediction device configured to predict a life of the target battery based on second data comprising profile data for each battery degradation mode predicted by the one or more life prediction models.

Verfahren und Vorrichtung zum Verbinden von Batteriezellen mit Batterieverbindern zu Batteriepacks durch Laserschweißen

Nº publicación: DE102024002992A1 19/03/2026

Solicitante:

SITEC LNDUSTRIETECHNOLOGIE GMBH [DE]
SITEC lndustrietechnologie GmbH

Resumen de: DE102024002992A1

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Verbinden von Batteriezellen (1) mit Batterieverbindern (2.1, 2.2) zu Batteriepacks (3) durch Laserschweißen, wobei die Batteriezellen (1) als Prismen oder Zylinder ausgeformt sind und jeweils eine Grundfläche und eine Deckfläche aufweisen, und wobei mehrere parallel zueinander ausgerichtete und in einem Werkstückträger (15) gehaltene Batteriezellen (1) jeweils an ihrer Grundfläche und an ihrer Deckfläche mit einem Batterieverbinder (2.1, 2.2) verschweißt werden, und wobei die Fügeteile Batteriezelle (1) und Batterieverbinder (2.1, 2.2) unter Verwendung eines Andrückelementes (6.1, 6.2) im Bereich der Fügestellen lokal aneinandergedrückt werden. Die Aufgabe der Erfindung besteht darin, ein Verfahren und eine Vorrichtung zum Verbinden von Batteriezellen (1) mit Batterieverbindern (2.2, 2.2) zu Batteriepacks (3) durch Laserschweißen vorzuschlagen, die dafür sorgen, dass die Voraussetzungen zum fehlerfreien Schweißen, insbesondere der erforderliche Nullspalt, hergestellt werden. Die Aufgabe wird gelöst, indem die Batteriezellen (1) mit ihren Mittelsenkrechten (4) horizontal ausgerichtet werden, indem die Batterieverbinder (2.1, 2.2) senkrecht zu den Batteriezellen (1) und parallel zueinander positioniert werden, und indem die Batterieverbinder (2.1, 2.2) in horizontaler Richtung (8) an die Batteriezellen (1) angedrückt werden, wobei jeweils eine Batteriezelle (1) mit den zwei Batterieverbindern (2.1,