Energia geotèrmica

ELECTRIC TOOTHBRUSH, AND MOTOR CONTROL METHOD, DEVICE, SYSTEM, CONTROL BOARD, AND MEDIUM FOR THE SAME

Resumen de: AU2024204242A1

Am electric toothbrush, and a motor control method, a device, a system, a control board, and a storage medium for the same. The motor control method for an electric toothbrush includes: obtaining a start or regulation signal; controlling a motor shaft of the electric toothbrush to vibrate at a preset frequency relative to a preset oscillation centerline according to the start or regulation signal; obtaining a position parameter of the preset oscillation centerline of the motor shaft of the electric toothbrush; and controlling the preset oscillation centerline of the motor shaft of the electric toothbrush to move around an axis of the motor shaft along a preset trajectory. Drawings obtaining a stait or regulation signal controlling a motor shaft of the electric toothbrush to vibrate at S200 a preset frequency relative to a preset oscillation centerline obtaining a position parameter of the preset oscillation $300 centerline of the motor shaft of the electric toothbrush controlling the preset oscillation centerline of the motor shatt S400 of the electric toothbrush to move around an axis of the motor shaft along a preset trajectory obtaining a start or regulation signal controlling a motor shaft of the electric toothbrush to vibrate at a S200 preset frequency relative to a preset oscillation centerline according to the start or regulation signal, obtaining a forward maximum vibration position parameter and a reverse maximum vibration position parameter of the motor shaft of the

BATTERY MANAGEMENT SYSTEM

Resumen de: AU2023360479A1

A Battery Management System (BMS) configured to control a discharge current of a battery is provided. The BMS is configured to calculate a discharge energy of the battery for a timestep based on the discharge current and the duration of the timestep, and to calculate an accumulated discharge energy of the battery based on an accumulated discharge energy calculated for a preceding timestep and the discharge energy for the timestep. The BMS is further configured to determine a maximum discharge pulse current, calculate a discharge current limit, and control the discharge current of the battery such that the discharge current does not exceed the discharge current limit. The BMS can control a charge current of a battery in similar fashion.

SELF-CHECKING-BASED FIRE-FIGHTING AIR INTAKE AND DISCHARGE CONTROL SYSTEM, AND CONTROL METHOD

Resumen de: AU2023359700A1

A self-checking-based fire-fighting air intake and discharge control system, which is applied to measure a combustible gas in an energy storage container (40). The fire-fighting air intake and discharge control system comprises: a gas measurement module (11), which is used for measuring the concentration of a combustible gas in an energy storage container (40); an air intake and discharge module (12), which is used for controlling the circulation of the gas in the energy storage container (40); and a control module (10), which is used for controlling the operation of the gas measurement module (11) and the operation of the air intake and discharge module (12), and controlling, when the concentration of the combustible gas exceeds a preset concentration threshold value, the air intake and discharge module (12) to discharge the combustible gas. The fire-fighting air intake and discharge control system can automatically detect a fault problem of the system and feed back same in a timely manner, and can also measure multiple environmental factors; and the system regularly performs self-checking, and stores and uploads data, and an operation and maintenance person can retrieve operation data, predetermines an on-site operation situation, and maintains the system and a device.

MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES

Resumen de: AU2025202683A1

A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a predetermined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period. The cycler may also be configured to have a heater control system that monitors both the temperature of a heating tray and the temperature of a bag of dialysis fluid in order to bring the temperature of the dialysis fluid rapidly to a specified temperature, with minimal temperature overshoot.

DETERMINING AN INTERNAL BATTERY TEMPERATURE BASED ON A DETERMINED BATTERY TEMPERATURE CHANGE OVER TIME FROM AN INITIAL TEMPERATURE CONDITION

Resumen de: US2025140956A1

Some embodiments relate to a method for determining an internal temperature of a battery. The method includes obtaining an initial temperature condition of the battery indicative of battery temperature at an initial time, receiving an electrical current in the battery at a given time after the initial time, and receiving an ambient temperature associated with the battery at the given time. The method includes determining a heat generation rate in the battery based on an internal resistance of the battery and on the received current, and determining a temperature change of the battery at the given time from the initial time, the temperature change being determined based on the initial temperature condition and the heat generation rate. The internal temperature of the battery is determined based on the determined temperature change and the ambient temperature.

SELF-SUPPORTED HYPERLITHIATED POROUS FLEXIBLE 3D HOST ANODE FOR LITHIUM METAL SECONDARY BATTERIES

Resumen de: AU2024227142A1

Abstract Self-supported porous 3D flexible host anode for lithium metal secondary batteries having a primary coating >5 atomic wt% and in addition to < 5 atomic wt% of at least two additional lithiophilic elements, leading to synergistic plating and stripping effect of the alkali ions, wherein all the coating elements have the capability of forming intermetallic alloys with lithium and/or between themselves within the potential window range of 1.5 V and -0.5 V Vs Li/Li+, having a porosity of at least 70%, and a thickness between 10pm and 100pm, comprising a non-woven, woven or ordered arrangement of constituent fibres with a diameter ranging between 200 nm and 40 pm.

BATTERY ABNORMALITY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Resumen de: AU2023378026A1

A battery abnormality diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit which acquires voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit which identifies a designated first number of ranks of the plurality of battery units on the basis of the voltage-SOC profiles; and a diagnosis unit which diagnoses abnormalities in the plurality of battery units on the basis of changes in the ranks.

POLE, UPPER COVER ASSEMBLY, ELECTRICAL ADAPTER, BATTERY CELL, AND BATTERY PACK

Resumen de: AU2023340203A1

Provided are a pole, an upper cover assembly, an electrical adapter, a battery cell, and a battery pack, mainly solving the problem of heat dissipation of batteries. A through groove is formed in the pole and the electrical adapter so as to mount a heat transfer tube, so that the temperatures of the pole, the electrical adapter and the battery can be effectively controlled after being transmitted by means of the heat transfer tube.

MULTI-CELL MONOLITHIC THIN-FILM BATTERY AND FABRICATION METHOD THEREOF

Resumen de: WO2023247206A1

The disclosed invention consists of a multi-cell monolithic thin-film battery (0), comprising one single substrate (1) on which two and more monolithic battery cells, comprising a cathode current collector (20), a cathode electrode layer (21), a solid electrolyte layer (22) and an anode current collector (23) deposited onto each other, wherein all monolithic battery cells (2, 2') are produced by thin-film techniques with layer thicknesses between nm and 20 μm, avoiding an anode layer during manufacturing, therefore named monolithic anode-free battery cells (2, 10 2'), with improved properties and based on a viable method for connecting multiple cells to a stacked thin-film battery. This is reached by deposition of all layers of the resulting multi-cell monolithic thin-film battery (0) are manufactured on top of each other on the single substrate (1), a blocking layer as material layer blocking electrons and ions is deposited between the cathode current collector (20) and the anode current collector (23) of each adjacent monolithic anode-free battery cells (2, 2'), with deposited thickness of the blocking layer between 5 nm and 1 μm and the first layer of the next adjacent monolithic anode-free battery cell (2') is deposited on the last layer of the previous monolithic anode-free battery cell (2).

HEAT-EXCHANGE PLATE FOR BATTERY PACK WITH STRUCTURAL PLATE

Resumen de: WO2023247745A1

The invention relates to a heat-exchange plate (10) for thermal management of a battery pack (200), comprising first (20) and second (30) plates, at least the first (20) plate comprising at least one channel (40), the first (20) and second (30) plates being contiguous so that the channel (40) partially delimits at least one duct of a circuit for circulating a heat-transfer fluid, characterised in that the first plate (20) is made of a first material, and the second plate (30) is made of a second material which is different from the first material and gives the second plate (30) a structural function.

COMPOSITE MATERIAL AND BATTERY DEVICE COMPRISING THE SAME

Resumen de: WO2023247161A1

The present invention discloses a composite material for making a housing of a battery device, comprising a substrate layer (10) and a first fireproof coating (20), which is coated on at least a portion of a surface of the substrate layer (10), the first fireproof coating (20) having a thickness of 0.3 mm to 1.5 mm. The composite material has the advantages of both fire protection and light weight. Furthermore, the composite material further has the advantage of thermal insulation.

SEPARATOR SUBSTRATE FOR ELECTROCHEMICAL DEVICE AND SEPARATOR COMPRISING SAME

Resumen de: EP4546542A1

The present disclosure relates to a separator substrate for an electrochemical device, a separator and an electrochemical device including the same. The separator substrate for an electrochemical device includes a crosslinked polyolefin resin and chromium (Cr), has a gel fraction of 3-80%, shows a standard deviation (△d) of thickness measured in at least 100 optional points of 0.5 µm or less, and has 10 or less spots with a longer side length of 50 µm or more per 1 m<2>.

METHOD AND SYSTEM FOR THE EARLY DETECTION OF CRITICAL FAULTS IN A BATTERY

Resumen de: WO2023247112A1

A method for the early detection of critical faults in a battery (4, 5, 6), following putting into service and during battery operation of the battery (4, 5, 6), comprises receiving battery data, provided by a battery management system, BMS (2), associated with the battery (4, 5, 6), at a remote diagnostic unit (3), wherein the battery data relate, in terms of time, to electrical properties of the battery (4, 5, 6) that are measured during battery operation; and carrying out remote diagnosis of the battery (4, 5, 6) through phased comparison and/or cyclic comparison of the received battery data with reference battery data, wherein a phase is one of: a charging phase, a transition phase and a discharging phase in relation to the battery operation, and wherein a cycle comprises successive phases of the charging phase, the transition phase and the discharging phase.

LITHIUM ION BATTERY

Resumen de: EP4546498A1

The present disclosure relates to the technical field of battery manufacturing, and in particular relates to a lithium-ion battery. The lithium-ion battery comprises a separator, a cathode electrode, an anode electrode, and an electrolyte, wherein a coating of the cathode electrode comprises a cathode material; the cathode material comprises a cathode active material, a conductive agent, and a binder; the cathode active material comprises at least one selected from the group consisting of lithium iron phosphate and lithium manganese oxide. The coating of the cathode electrode further comprises an anode layer-forming additive; and/or, the electrolyte comprises an anode layer-forming additive; the anode layer-forming additive comprises at least one selected from the group consisting of elemental sulfur and a metal sulfide. The electrolyte comprises a layer-forming solvent. The lithium-ion battery provided in the present disclosure can effectively improve the cycling performance of lithium-ion batteries using lithium iron phosphate or lithium manganese oxide as a cathode active material.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4546454A1

This application provides a positive electrode active material, a method for preparing a positive electrode active material, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material includes a compound LiNi_aCo_dMn_eM'_fO₂, and the second positive electrode active material includes a core, a first coating layer enveloping the core, and a second coating layer enveloping the first coating layer, where the core includes a compound Li_1+xMn_1-yA_yP_1-zR_zO₄, the first coating layer includes pyrophosphate M_aP₂O₇ and phosphate X_nPO₄, and the second coating layer includes carbon. In this application, the first positive electrode active material is mixed and applied together with the second positive electrode active material, which improves the cycling capacity retention rate of the secondary battery, extends the cycle life of the secondary battery, and improves the safety of the secondary battery.

A BATTERY PACK

Resumen de: CN119452499A

The invention relates to a battery pack (10). A battery pack (10) includes: a plurality of battery cells (22) electrically coupled to each other; a BMS module (50) adapted to manage the plurality of battery cells (22); a housing (20) adapted to accommodate a plurality of battery cells (22); a top cover (30) adapted to cover the housing (20) and house the BMS module (50); and a heat sink (40) in thermal contact with the BMS module (50). The heat sink (40) is mounted on at least a first portion (57) of the BMS module (50) and embedded in the top cover (30), or the heat sink (40) is integrally overmolded in at least a second portion (37) of the top cover (30). The heat sink (40) is adapted to dissipate heat from the BMS module (50) to the outside of the housing (20) and the top cover (30).

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4546555A1

The present application provides a battery cell, a battery, and an electrical apparatus. The battery cell comprises a shell, an electrode assembly, an insulating member and a support member. The electrode assembly is accommodated in the shell and comprises an electrode main body and a tab, the tab being led out from an end of the electrode main body. The insulating member is accommodated in the shell and is attached to the peripheral side surface of the electrode main body, and the insulating member is provided with an opening. The support member is used for supporting the electrode assembly and covering the opening. The battery cell provided by the present application helps to improve the deformation consistency of parts in the electrode assembly, and reduces the risk of lithium plating of the electrode assembly, thus improving the safety performance of the battery cell.

IMPROVED BATTERY SEPARATOR FOR LITHIUM-ION BATTERIES

Resumen de: WO2024006790A2

Nonwoven battery separators, batteries comprising nonwoven battery separators, and methods of manufacturing nonwoven battery separators having improved durability and resilience for better in-service performance, more long-term durability, and safer battery products, wherein the nonwoven battery separator is coated with inorganic oxides.

METHOD AND APPARATUS FOR THE DRY, SOLVENT FREE MANUFACTURE OF ELECTRODES USING POWDERS

Resumen de: WO2024006763A2

A system for dry manufacturing an electrode for an energy storage device includes a substrate configured to move in a feed direction. In addition, the system includes a powder applicator configured to deposit a dry powder onto a surface of the substrate. Further, the system includes at least one pair of spreading rollers. The pair of spreading rollers includes an upper spreading roller and a lower spreading roller positioned below the upper spreading roller. The upper spreading roller and the lower spreading roller are positioned downstream of the powder applicator relative to the feed direction. Each spreading roller has a central axis of rotation and a radially outer surface. The radially outer surface of the upper spreading roller is configured to directly contact and spread the dry powder on the substrate. The upper spreading roller is configured to rotate in a rotational direction that is counter to the feed direction of the substrate proximal the substrate and dry powder and the lower spreading roller is configured to rotate in a rotational direction that is the same as the rotational direction of the upper spreading roller. Still further, the system includes at least one pair of compaction rollers. The pair of compaction rollers includes an upper compaction roller and a lower compaction roller positioned below the upper compaction roller. The at least one pair of spreading rollers are positioned downstream of the upper spreading roller and the lower spreading roller re

METHOD FOR MANUFACTURING BATTERY CELL, BATTERY CELL MANUFACTURED THEREBY, AND BATTERY MODULE INCLUDING SAME

Resumen de: EP4546520A1

The present invention provides: a method for manufacturing a battery cell, wherein a folding part is formed in a sealing part of the battery cell, an attachment member is closely attached, along a side face of a case body and a folding face located on the outermost portion of a side of the case body, to suppress the deformation of the sealing part and delay venting, and the cooling efficiency of the battery cell is improved; a battery cell manufactured by the method; and a battery module including the battery cell.

HEAT TRANSFER SUPPRESSION SHEET AND BATTERY PACK

Resumen de: EP4546512A1

There are provided a heat transfer suppression sheet which has excellent heat insulating properties and also prevents the infiltration of water, which makes it possible to prevent ignition and the like due to a short circuit between battery cells, and preferably makes it possible to prevent a decrease in heat insulating properties due to the infiltration of the electrolytic solution, and a battery pack having the heat transfer suppression sheet. A heat transfer suppression sheet (10) interposed between a plurality of battery cells contains at least one kind of fiber (glass fiber (1)) selected from an inorganic fiber and an organic fiber, and a liquid repellent substance (2) having a surface tension smaller than a surface tension of water.

BINDER COMPOSITION FOR ELECTROCHEMICAL ELEMENT, CONDUCTIVE MATERIAL DISPERSION FOR ELECTROCHEMICAL ELEMENT, SLURRY FOR ELECTROCHEMICAL ELEMENT ELECTRODE, ELECTRODE FOR ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL ELEMENT

Resumen de: EP4546468A1

A binder composition for an electrochemical device contains a polymer including a nitrile group-containing monomer unit, an alkylene structural unit, and a hydrophilic group-containing monomer unit, N-methyl-2-pyrrolidone, and triphenylphosphine sulfide. Content of the triphenylphosphine sulfide is not less than 2 mass ppm and not more than 100 mass ppm relative to content of the polymer. A relationship formula: 0.004(%) ≤ {(a)/(b)} × 100(%) ≤ 0.150(%) is satisfied when content of the triphenylphosphine sulfide relative to content of the polymer is taken to be (a) and content of the hydrophilic group-containing monomer unit relative to content of the polymer is taken to be (b).

LITHIUM ION SECONDARY BATTERY

Resumen de: EP4546480A1

A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution, in which the negative electrode includes a current collector and a negative electrode active material layer disposed on at least one side of the current collector, the negative electrode active material layer includes a negative electrode active material including graphite particles and amorphous carbon fine particles, the electrolytic solution includes at least a non-aqueous solvent, an electrolyte salt, and an additive, and the additive includes a fluorosulfonate and a methoxysulfonate. Consequently, it is possible to achieve both an improvement in power characteristics and an improvement in high temperature storage characteristics in a low SOC range in the lithium ion secondary battery.

ENERGY STORAGE DEVICE, AND CONTROL SYSTEM FOR ENERGY STORAGE DEVICE

Resumen de: EP4546529A1

An energy storage device (100) and a control system (200) for an energy storage device. The energy storage device (100) comprises a case (10), a battery module (20), and at least one connecting piece (30). An accommodating cavity (11) is defined in the case (10); at least one opening (12) is formed on a side surface of the box body (10); the battery module (20) is arranged in the accommodating cavity (11); and the connecting piece (30) is connected between the side surface of the battery module (20), that is, adjacent to the opening (12) and the box body (10).

DIRECT COOLING PLATE, HEAT EXCHANGER, POWER BATTERY PACK AND VEHICLE

Resumen de: EP4545897A1

A direct cooling plate, a heat exchanger, a power battery pack and a vehicle. The direct cooling plate includes a plurality of heat exchange channels, which are arranged inside the direct cooling plate. Each heat exchange channel includes an inlet for a refrigerant to enter therein and an outlet for the refrigerant to flow out therefrom, wherein the at least one heat exchange channel is circumferentially arranged around the other heat exchange channels; and each heat exchange channel forms a heat exchange unit at the direct cooling plate, and the heat exchange unit is used for performing heat exchange in different temperature regions of a battery. The direct cooling plate can control the temperature of the refrigerant at the inlet of each heat exchange channel aimed at different temperature regions of the battery, such that the overall temperature difference of the battery is improved, and thereby prolonging the service life of the battery.

BATTERY MANAGEMENT CHIP AND SYSTEM, AND VEHICLE

Resumen de: EP4546499A1

A vehicle, includes a battery management chip and a battery management system. The battery management chip comprises a battery cell data sampling module, a data processing module, a first communication module and a first power source module. The battery cell data sampling module is used for acquiring battery cell data of a battery cell; the data processing module is connected to the battery cell data sampling module, and is used for processing the battery cell data; the first communication module is connected to the data processing module, and is used for sending the processed battery cell data to a control module; and the first power source module is connected to the battery cell and the data processing module, and is used for receiving an initial voltage outputted by the battery cell, and performing boost processing on the initial voltage, so as to provide an operating voltage for the data processing module.

METHOD FOR PREPARING IRON PHOSPHATE FROM IRON PHOSPHORUS SLAG, IRON PHOSPHATE AND APPLICATION OF IRON PHOSPHATE

Resumen de: EP4545477A1

A method for preparing iron phosphate from an iron phosphorus slag includes: adding the iron phosphorus slag into an alkaline solution to carry out a reaction followed by a solid-liquid separation to obtain a residue and a first filtrate containing meta-aluminate ion and phosphate ion; adding an acid solution into the first filtrate to carry out an aluminum-removing reaction followed by a solid-liquid separation to obtain a second filtrate containing phosphate ion; mixing the residue with an acid solution to carry out a carbon-removing reaction followed by a solid-liquid separation to obtain a carbon residue and a third filtrate containing iron ion, titanium ion, and copper ion; adding metallic iron into the third filtrate to carry out a titanium and copper-removing reaction followed by a solid-liquid separation to obtain a fourth filtrate containing ferrous ion; mixing an oxidant, the second filtrate, and the fourth filtrate to carry out a reaction followed by a solid-liquid separation and a sintering process in sequence to obtain the iron phosphate.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME

Resumen de: EP4546453A1

This application relates to an electrochemical device, including a positive electrode plate, a negative electrode plate, and an electrolyte. The negative electrode plate includes a negative electrode active layer, the positive electrode plate includes a positive electrode active layer, the positive electrode active layer includes a positive electrode active material, the positive electrode active layer includes element aluminum, an amount A (mmol) of the element aluminum in the positive electrode active layer and a total area B (m<2>) of the negative electrode active layer satisfy 3≤A/B≤25, and the positive electrode active material includes lithium manganese oxide and a manganese-containing compound.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME

Resumen de: EP4546465A1

This application relates to an electrochemical device, including a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive electrode active layer, the positive electrode active layer includes a positive electrode active material, and the positive electrode active material includes an additive. During charge/discharge the electrochemical device, when the electrochemical device is in a fully discharged state, an X-ray diffraction pattern of the positive electrode plate has a characteristic diffraction peak 1 at a diffraction angle 2θ ranging from 17.5° to 19.5°, and the additive includes manganese element. This application can significantly increase a charge-discharge capacity of the positive electrode active material and improve the cycling performance and high-temperature storage performance of the electrochemical device.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: EP4546462A1

This application provides an electrochemical device and an electronic device. The electrochemical device includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive active material layer. The positive active material layer includes a first powder and a second powder. After the electrochemical device is fully discharged, an X-ray diffraction pattern of the positive active material layer exhibits a first diffraction peak in a diffraction angle 2θ range of 17.3° to 19.3°, and exhibits a second diffraction peak in a 2θ range of 19.8° to 21.8°. The electrochemical device disclosed herein achieves a high specific discharge capacity and a long cycle life concurrently.

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: EP4546452A1

This application provides an electrochemical device and an electronic device. The electrochemical device includes a positive electrode, a negative electrode, and an electrolyte; where the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, and the positive electrode active material includes a first positive electrode active material and a second positive electrode active material; after the electrochemical device is fully discharged, a Raman spectrum of the positive electrode active material layer has a first characteristic peak at a wavelength ranging from 398 cm^-1 to 408 cm^-1 and a second characteristic peak at a wavelength ranging from 940 cm^-1 to 960 cm^-1; and the second positive electrode active material includes element aluminum. The electrochemical device provided in this application has both high energy density and good high-temperature cycling performance.

LIQUID DISCHARGE MECHANISM, BATTERY BOX BODY, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546557A1

This application relates to a liquid discharge mechanism, a battery box, a battery, and an electric apparatus. The liquid discharge mechanism includes: a valve seat (141) having a mounting chamber (1411); a valve core (142) assembled on the valve seat (141) and at least partially accommodated in the mounting chamber (1411); and a deformation member (143) accommodated in the mounting chamber (1411) and connected between the valve seat (141) and the valve core (142). The deformation member (143) is configured to deform after contacting a target liquid, thus causing formation of a liquid discharge channel (144) between the valve core (142) and the valve seat (141).

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

Resumen de: EP4546460A1

This application relates to a secondary battery. The secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution. The positive electrode plate includes a positive current collector and a positive electrode film layer disposed on at least one surface of the positive current collector. The positive electrode film layer includes a positive active material. The positive active material includes: S1) a lithium-containing compound of an olivine structure, and S2) a vanadium oxide represented by a general formula j(M2O)·kVOx, where M is one or more of alkali metals, 0 ≤ j ≤ 1, 1 ≤ k ≤ 5, 1 ≤ x ≤ 2.5, a difference of a discharge platform voltage between S1 and S2 is E, and 0.2 V ≤ E ≤ 2.8 V. The secondary battery exhibits excellent low-temperature performance while ensuring excellent cycle performance and gravimetric capacity, for example, maintains a very good low-temperature capacity retention rate even at a high discharge rate.

BATTERY LIFE PREDICTION DEVICE AND METHOD

Resumen de: EP4545988A1

The present invention relates to an apparatus for predicting battery lifetime that may predict battery time more accurately by removing errors due to a characteristic of recovering temporary capacity happening intermittently from charge/discharge test data of a battery and a method thereof.The apparatus for predicting battery lifetime in accordance with the present invention comprises: a capacity recovery section-determining unit for determining a temporary capacity recovery section by analyzing charge/discharge test data of a battery; a trend analysis unit for creating alternative data based on test data before and after the temporary capacity recovery section determined by the capacity recovery section-determining unit, and analyzing trend of the test data by reflecting the alternative data; and a lifetime predicting unit for predicting lifetime of the battery based on data outputted from the trend analysis unit.

SINGLE BATTERY, BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4546518A1

A single battery (100) includes a casing (110), a first cover plate (150), a first terminal (160), an electrode assembly (120), and a first insulating member (20). The casing (110) includes a first opening (111). The first cover plate (150) seals and is installed on the first opening (111). The first terminal (160) is installed on the first cover plate (150). The electrode assembly (120) is arranged in the casing (110) and has a first tab (121) extending from a side close to the first cover plate (150). The first tab (121) is fixedly connected to the first terminal (160) and is formed with a first tab free end (1211). The first insulating member (20) is installed on a side of the first cover plate (150) close to the electrode assembly (120). The first insulating member (20) is provided with a tab blocked structure (170). A side of the first terminal (160) close to the electrode assembly (120) and the tab blocked structure (170) form a first accommodating space (190).

A sensor assembly

Resumen de: GB2634915A

A sensor assembly 100 with a measurement bed or tray 110, vertical supporting member or frame 120 with a magnetic-field sensor 130 attached thereto, a motor 140 and a controller 150 allowing movement of the sensor over the measurement bed along at least one axis to perform a scan. The supporting member may comprise a beam 122 across or above the bed to which the sensor is connected, or may form a gantry. The controller may actuate the motor to move the sensor relative to the member, a second axis, or the member relative to the bed, a third axis, and may comprise a three-axis motor to allow for 3D scanning. The sensor may be removably connected to the member and may comprise multiple probes (Fig.6 134a-c) to measure in different directions or be rotated (Fig.7 Position 1-3). The bed may be tiltable or removable and provide object securing means. A means to convey beds through the assembly may be provided (Fig.5). A second invention is included, being a battery with one or more magnetic field sensors.

PERMSELECTIVE INTERLAYER

Resumen de: AU2023301653A1

An interlayer for a lithium sulfur battery is provided. The interlayer is produced from an elastic polyelectrolyte liquid (EPL) and a two dimensional conducting material, such as graphene oxide. The EPL is produced from polyphenol, cationic polymer and facilitated ion transport protein. The interlayers are characterised by ion selective transport behaviour and electrocatalytic properties, and separator substrates coated with the interlayer may be usefully incorporated into lithium sulfur batteries.

BATTERY ALARM SYSTEM FOR WIRELESS SENSORS AND METHOD THEREOF

Resumen de: EP4545987A1

The present invention relates to a battery alarm system for wireless sensors and a method thereof, the battery alarm system for sensors, according to an embodiment of the present invention, comprising: a wireless control device for communicating with a plurality of wireless sensors that monitor the status of a random space or equipment so as to receive status data related to the battery status of each wireless sensor; and a sensor monitoring device for matching the received status data to identification information of each wireless sensor to store and manage same, providing an error alarm to an administrator terminal device that manages the plurality of wireless sensors, and, in case the administrator terminal device selects the error alarm provided thereto, providing a monitoring screen for identifying the location of the wireless sensor at which an error has occurred.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND PREPARATION METHOD THEREFOR

Resumen de: EP4546464A1

It is related to a positive active material for a lithium secondary battery and a manufacturing method thereof, and is provided a positive active material which is a layered metal oxide crystal structure including a lithium layer and a metal layer, wherein, the crystal structure includes a first metal layer in which some of the metal is replaced by lithium, the crystal structure includes a first lithium layer in which some of the lithium in the lithium layer is replaced by metal, a substitution amount of lithium in the first metal layer is 1.5 mol% or more, and a nickel content is 80 mol% or more, with 100 mol% of metal in the positive active material as the reference.

Cell testing

Resumen de: GB2634888A

A cell test jig (200) for testing a battery. The jig (200) is arranged to place a cell (202) on test under compressive force. The jig comprises a first plate (204), a second plate (214), a cell carrier plate (208) and a clamp (234). The cell carrier plate (208) is between the first (204) and second (214) plates and is arranged to directly support the cell (202). The jig (200) is arranged to receive the cell (202) between the first plate (204) and the cell carrier plate (208) The clamp (234) is arranged to retain the first (204) and second (214) plates in a manner applying a compressive force to the cell (202). The jig (200) has a support formation arranged to support the cell carrier plate (208) in a manner allowing adjustment of the position of the cell carrier plate (208) with respect to the first (204) and second (214) plates when the compressive force is applied. The positional adjustment is in a plane substantially perpendicular to the direction of the compressive force. Pressure sensors may be provided (Figure 4, 218).

BATTERY OVERHAUL DEVICE

Resumen de: EP4545341A1

The application relates to a battery overhaul device 100 for monitoring one or more batteries and determining battery overhaul actions for the one or more batteries from a plurality of possible battery overhaul action candidates by using information of the one or more batteries.

HYBRID SOLID ELECTROLYTES AND METHOD OF PREPARATION THEREOF

Resumen de: EP4546484A1

The present invention refers to method for preparing a hybrid organic-inorganic solid electrolyte (HSE) based on in-situ synthesized inorganic phase in the presence of polymer. The described approach delivers flexible membranes with high ionic conductivity values (>10<-4> S/cm at room temperature) and excellent mechanical properties, especially in terms of yield stress (σy), which are suitable for electrochemical applications in solid-state lithium metal batteries.

HYBRID DRYING SYSTEM FOR MANUFACTURING SECONDARY BATTERY ELECTRODE

Resumen de: EP4546438A1

Provided is an orthogonal-axis power transmission device. The orthogonal-axis power transmission device according to an embodiment of the present inventive concept includes: a main structure assembly forming an exterior structure and having a space portion formed therein, the space portion being sealed; an input shaft assembly connected to one side of the main structure assembly, and to which rotational power of a motor is input; an output shaft assembly connected to the other side of the main structure assembly intersecting the input shaft assembly, and from which the rotational power of the motor is output; and a link assembly for changing a power transmission direction arranged to operate in the space portion of the main structure assembly to prevent propagation of noise or vibration, connected to the input shaft assembly and the output shaft assembly within the main structure assembly by a link method, and changing the power transmission direction from the input shaft assembly to the output shaft assembly.

HYBRID DRYING SYSTEM FOR MANUFACTURING SECONDARY BATTERY ELECTRODE

Resumen de: EP4546437A1

Provided is an orthogonal-axis power transmission device. The orthogonal-axis power transmission device according to an embodiment of the present inventive concept includes: a main structure assembly forming an exterior structure and having a space portion formed therein, the space portion being sealed; an input shaft assembly connected to one side of the main structure assembly, and to which rotational power of a motor is input; an output shaft assembly connected to the other side of the main structure assembly intersecting the input shaft assembly, and from which the rotational power of the motor is output; and a link assembly for changing a power transmission direction arranged to operate in the space portion of the main structure assembly to prevent propagation of noise or vibration, connected to the input shaft assembly and the output shaft assembly within the main structure assembly by a link method, and changing the power transmission direction from the input shaft assembly to the output shaft assembly.

IMPEDANCE MEASUREMENT SYSTEM AND OPERATION METHOD THEREOF

Resumen de: EP4545993A1

A battery pack includes at least one battery cell, a verification circuit connected to the at least one battery cell and including a load, and a controller configured to control the verification circuit to output information about an impedance of the load in response to a first command and control the verification circuit to output information about an impedance of the at least one battery cell in response to a second command.

BATTERY SYSTEM WITH CELL SPACERS BETWEEN BATTERY CELLS AND A METHOD OF MANUFACTURING THEREOF

Resumen de: EP4546504A1

The present disclosure refers to a battery system (100). The battery system (100) includes a plurality of battery cells (10, 12) including a first battery cell (10) and a second battery cell (12) accommodated in a housing. A cell spacer (S) among a plurality of cell spacers is positioned between the first battery cell (10) and the second battery cell (12). The cell spacer (S) includes a first insulating layer (20), a second insulating layer (40) and a metal fin (30) between the first insulating layer (20) and the second insulating layer (40). A gap filler layer (50) includes a first surface (51) facing the plurality of battery cells (10, 12) and a second surface (52) facing away from the plurality of battery cells (10, 12), wherein the plurality of battery cells (10, 12) are in contact with the first surface (51) of the gap filler layer (50). In addition, a cooling plate (60) including a surface (62) contacting the second surface (52) of the gap filler layer (50). The metal fin (30) at least partially penetrates the gap filler layer (50) so that an end portion (32) of the metal fin (30) extends toward the cooling plate (60).

ARRANGEMENT AND METHOD FOR THERMAL MANAGEMENT IN A BATTERY PACK

Resumen de: EP4546521A1

A thermal management arrangement (100) for a battery pack (202), the arrangement (100) comprising:a housing (204) arranged to accommodate the battery pack (202),a port arrangement (210) comprising at least one port (212), the port (212) being arranged to allow for a heat-transfer medium to flow between an interior (206) and exterior (208) of the housing (204),an adapter (104) arranged to be connected to the port (212) for allowing the heat-transfer medium to flow from the interior (206) of the housing (204) to an interior of a further housing arranged to accommodate a further battery pack, anda hose connector (106) arranged to be connected to the port (212) for allowing a heat-transfer medium supply hose to be connected to the port (212).

A BATTERY MODULE MEMBER, A BATTERY MODULE ASSEMBLY, A BATTERY PACK, AND A VEHICLE

Resumen de: EP4545326A1

The disclosure relates to a battery module member (1, 1') for a battery module assembly (2) for a battery pack (3), wherein the battery module member (1, 1') has a longitudinal extension in a longitudinal direction (L), a width extension in a width direction (W) and a height extension in a height direction (H), and wherein the battery module member (1, 1') is formed as a frame configured to enclose and retain a plurality of battery cells (21), as seen in a sectional plane defined by the longitudinal direction (L) and the width direction (W). The disclosure also relates to a battery module assembly (2), a battery pack (3) and a vehicle (4).

FACILE TRANSPORTATION OF NICKEL SULFATE

Resumen de: EP4545486A1

Process for the manufacture of a precursor of a cathode active material for lithium-ion batteries wherein said cathode active material comprises at least 60 mol-% nickel, referring to metals other than lithium:(a) providing crystalline nickel sulfate hexahydrate or heptahydrate crystals or an aqueous solution of nickel sulfate,(b) removing water including water of crystallization at a temperature in the range of from 150 to 500°C,(c) recovering nickel sulfate with an average content of water of crystallization of 0.01 to 3.5 mol/mol Ni,(d) transporting anhydrous nickel sulfate from step (c) to a location over at least 100 km,(e) dissolving anhydrous nickel sulfate from step (c) in an aqueous medium,(f) combining the aqueous medium with the dissolved nickel sulfate obtained in step (e) with a solution or solid particles of cobalt sulfate or manganese sulfate and subsequently with an aqueous solution of sodium hydroxide in one or more sub-steps.

NOTCHING SYSTEM AND NOTCHING METHOD

Resumen de: EP4545242A1

The present invention discloses a notching system including: a frame; a power portion installed on the frame and configured to generate a rotational force at a speed synchronized with a movement speed of an electrode sheet; a jig installed on the frame and configured to rotate while being in contact with one surface of the electrode sheet by receiving the rotational force from the power portion; a close contact portion installed on the frame and configured to maintain contact between the jig and the electrode sheet passing through a notching area by being in contact with and supporting the other surface of the electrode sheet; and a laser irradiation portion installed on the frame and configured to irradiate the electrode sheet with a laser beam through a notching hole, wherein the jig is configured to comprise the notching hole formed on an outer peripheral surface in contact with the one surface of the electrode sheet. According to the present invention, it is possible to form precise notching lines by blowing air during laser notching to remove foreign matter, plasma, and scrap while preventing fluttering of the electrode sheet due to air.

SECONDARY BATTERY NON-AQUEOUS ELECTROLYTIC SOLUTION, LITHIUM ION BATTERY, AND LITHIUM ION CAPACITOR

Resumen de: EP4546488A1

A non-aqueous electrolyte solution for a secondary battery, containing a first compound represented by the following Formula (1), a second compound being at least one selected from the group consisting of a compound represented by the following Formula (2), a compound represented by the following Formula (3), and a compound represented by the following Formula (4), a non-aqueous solvent, and an electrolyte.

ADDITIVE FOR NON-AQUEOUS ELECTROLYTIC SOLUTION, NON-AQUEOUS ELECTROLYTIC SOLUTION, AND POWER STORAGE DEVICE

Resumen de: EP4546489A1

An additive for a non-aqueous electrolytic solution includes a cyclic sulfone compound represented by Formula (1).X¹ represents a sulfonyl group or carbonyl group and Z represents a monovalent group represented by Formula (21), (22), (23), or (24):

RESIN COMPOSITION, AND MONOLAYER AND MULTILAYER FILMS

Resumen de: EP4545595A1

The purpose of the present invention is to provide a resin composition which is excellent in whitening resistance during deformation processing, and can be used for, for example, packaging materials for food products, construction materials, and packages for lithium ion batteries, and a monolayer film or a multilayer film including a layer containing the resin composition.The resin composition of the present invention includes a propylene-based polymer (A) having a melting point of 100°C or more,a 1-butene/ethylene copolymer (B) in which the content of a constituent unit (i) derived from 1-butene is 70 to 97 mol%, a polyolefin (C) containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof, and an ethylene-based polymer (D) containing a constituent unit derived from ethylene at 60 to 100 mol%. The content of the 1-butene/ethylene copolymer (B) in the composition is 7 to 38 mass%.

BINDER COMPOSITION FOR SECONDARY BATTERY, SOLID ELECTROLYTE-CONTAINING COMPOSITION FOR SECONDARY BATTERY, SHEET FOR ALL-SOLID-STATE SECONDARY BATTERY, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: EP4546467A1

Provided are a binder composition for a secondary battery, that contains a metal element-containing component having a particle diameter of 10 µm or less and a binder composed of a polymer containing less than 30% by mass of a constitutional component derived from an ethylenically unsaturated carboxylic acid in all the constitutional components of the polymer, in which the content of the metal element-containing component is 1.0 × 10^-3 to 1.0 × 10⁴ ppm; a solid electrolyte-containing composition for a secondary battery, which contains the binder composition and an inorganic solid electrolyte, in which the content of the metal element-containing component is in a specific range; a sheet for an all-solid state secondary battery, which has a layer formed of the composition; and an all-solid state secondary battery.

SURFACE TREATMENT AGENT FOR ELECTRODE MATERIAL, POSITIVE ELECTRODE ACTIVE MATERIAL, CURRENT COLLECTOR FOIL, NEGATIVE ELECTRODE ACTIVE MATERIAL, CONDUCTIVE AID, ELECTRODE, BATTERY, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING CURRENT COLLECTOR FOIL, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING CONDUCTIVE AID, AND METHOD FOR MANUFACTURING ELECTRODE

Resumen de: EP4546456A1

The disclosure aims to provide a surface-treating agent for an electrode material, a positive electrode active material, a current collector foil, a negative electrode active material, an electrode, a battery, a method for producing a positive electrode active material, a method for producing a current collector foil, a method for producing a negative electrode active material, a method for producing a conductive aid, and a method for producing an electrode which are capable of improving the cycle characteristics of batteries and preventing or reducing corrosion of current collector foils. The disclosure relates to a surface-treating agent for an electrode material, including a pyridine skeleton and fluorine.

CARBON NANOTUBE DISPERSED LIQUID, ELECTRODE MIXTURE SLURRY, ELECTRODE FILM, AND SECONDARY BATTERY

Resumen de: EP4545480A1

Provided is a carbon nanotube dispersed liquid which contains carbon nanotubes, a dispersant, and a solvent, and in which, in a volume-based particle size distribution curve measured by a laser diffraction/scattering-type particle size distribution measuring method, particle size distribution peaks are present in a particle size range of 0.1-3 µm and in a particle size range of 10-100 µm, and the cumulative particle size D₅₀ is 4 µm or more.

SI MODIFIED SPINEL LNMO CATHODE MATERIAL

Resumen de: EP4545483A1

The invention provides an LNMO particulate material that comprises secondary particles, wherein the secondary particles are composed of a multitude of crystals, and said crystals are composed of a multitude of crystallites, wherein a D₅₀ particle size of the secondary particles is between 4.0 µm and 25 µm, as measured by laser diffraction according to ISO 13320:2020, and wherein a D₅₀ particle size of the crystals is between 0.5 µm and 7.0 µm as measured by scanning electron microscope (SEM), and wherein, the LNMO particulate material is silicon modified. In other aspects, the invention further provides a process for the production of silicon modified Lithium-Nickel-Manganese-Oxide (LNMO) particulate material and a silicon modified LNMO material obtainable by the process according to the present invention.

METHOD AND SYSTEM FOR BALANCING ELECTRICAL ENERGY STORAGE CELLS

Resumen de: EP4546596A1

The invention concerns a system for balancing charge over rechargeable energy storage devices coupled in series, comprising: balancing units assigned to the rechargeable energy storage devices; an AC signal generator providing an AC signal to the balancing units for balancing the charge on their assigned rechargeable energy storage devices; and a capacitive coupling between the AC signal generator and the balancing units for common mode blocking; wherein the balancing units comprise switching circuits for transferring charge from the AC signal generator to said energy storage devices, and wherein each switching circuit comprises: a first transistor, a first a diode, and a second diode, arranged to transfer, when said first transistor is in a conducting state, charge from the AC signal generator to a respective energy storage device; and a second transistor and a first resistor arranged to discharge, when said second transistor is in a conducting state, charge from said respective energy storage device over said first resistor. A corresponding method is also disclosed.

BORON MODIFIED SPINEL LNMO CATHODE MATERIAL

Resumen de: EP4545482A1

The invention provides an LNMO particulate material that comprises crystallites, crystals and secondary particles, wherein the secondary particles are composed of a multitude of crystals, and the crystals are composed of a multitude of crystallites, wherein a D₅₀ particle size of the secondary particles is between 3.0 µm and 25 µm, as measured by laser diffraction according to ISO 13320:2020, and wherein a D₅₀ particle size of the crystals is between 0.3 µm and 7.0 µm as measured by scanning electron microscope (SEM), and wherein, the LNMO particulate material is boron modified. In other aspects, the invention further provides a process for the production of boron modified Lithium-Nickel-Manganese-Oxide (LNMO) particulate material and a boron modified LNMO material obtainable by the process according to the present invention.

THERMAL CONDUCTION EFFICIENT TERMINAL DESIGN

Resumen de: EP4546551A1

A Battery cell terminal (1) comprising at least one three-dimensional shape (3) that is configured to be connected to a busbar (2) or to a complementarily shaped shape of a busbar (2).

CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4546469A2

A lithium secondary battery including a cathode. The cathode includes a cathode current collector and a cathode active material layer on one or both sides of the cathode current collector and including a cathode active material, a gamma sulfur-fibrous carbon-based material composite, and a sulfide-based solid electrolyte, wherein the cathode active material includes Li₂S, a Li₂S composite, or a combination thereof, and the gamma sulfur-fibrous carbon-based material composite has a structure in which monoclinic gamma phase sulfur (S) is on a fibrous carbon-based material.

BATTERY PACK AND MEASUREMENT METHOD THEREFOR, AND BATTERY MANAGEMENT SYSTEM

Resumen de: EP4545994A1

This application discloses a battery pack and a detection method thereof, and a battery management system BMS, to detect an abnormal connection between battery subpacks in the battery pack in time. The battery pack includes a plurality of battery subpacks and voltage detection circuits, a current detection circuit, and a BMS. The plurality of battery subpacks are connected in series to a charge/discharge loop of the battery pack. Each battery subpack and one connection component connected to the battery subpack form one to-be-detected assembly. The current detection circuit is configured to detect a current of the charge/discharge loop. The voltage detection circuit is configured to detect voltages at two ends of the to-be-detected assembly. The BMS is configured to: obtain the current of the charge/discharge loop and voltages at two ends of each to-be-detected assembly based on a preset period, generate a current sequence and a first voltage sequence of each to-be-detected assembly, calculate an impedance of each to-be-detected assembly based on the current sequence and the first voltage sequence, and when the impedance is greater than or equal to an impedance threshold, determine that the connection component in the to-be-detected assembly is abnormally connected.

LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY

Resumen de: EP4546493A1

The present disclosure relates to a lithium secondary battery and a method of preparing the lithium secondary battery, wherein the lithium secondary battery includes a positive electrode including a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector; a negative electrode including a negative electrode current collector, a negative electrode active material layer disposed on the negative electrode current collector, and a solid electrolyte layer disposed on the negative electrode active material layer; a separator disposed between the positive electrode and the negative electrode; and the electrolyte, wherein an A value according to Equation 1 may be 10% or more. A=F+C/F+C+G+M+E×100F and C are a content (unit: µg/cm²) of a fluoride group and a content (unit: µg/cm²) of a carbonate group, which are confirmed by capillary electrophoresis (CE) analysis of the solid electrolyte layer, respectively, and G, M, and E are a content (unit: µg/cm²) of an ethylene glycol group, a content (unit: µg/cm²) of a methyl group, and a content (unit: µg/cm²) of an ethyl group, which are confirmed by nuclear magnetic resonance (NMR) spectroscopic analysis of the solid electrolyte layer, respectively.

SODIUM ION BATTERY CATHODE MATERIAL AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Resumen de: EP4545484A1

Provided is a sodium ion battery cathode material and a preparation method therefor and application thereof. A chemical formula of the sodium ion battery cathode material is NamNixFeyMnzO2, where 0.1≤x≤0.25, 0.5≤y≤0.8, 0.1≤z≤0.25, 0.8≤m≤1.1, 0.95≤x/z≤1.05, and x+y+z=1, m, x, y and z are molar percentages of corresponding elements, respectively, and each component in the chemical formula satisfies charge conservation and stoichiometry conservation. The preparation method includes the following steps: preparing a precursor including a nickel source, an iron source and a manganese source with required stoichiometry by a co-precipitation method; mixing the precursor of the nickel source, iron source and manganese source with a sodium source according to a certain proportion, adding a doping element for primary sintering to a obtain a doped sodium ion battery cathode material; and carrying out secondary sintering on the doped sodium ion battery cathode material and a coating to obtain a final sodium ion battery cathode material. The sodium ion battery cathode material provided by the present disclosure has the advantages of high capacity, low residual alkali and high stability.

CARRIER

Resumen de: EP4546476A1

A carrier according to an embodiment of the present disclosure includes a center pin that penetrates the winding center hole of the electrode assembly defining a core and an outer circumferential surface by winding the first and second electrodes and the separator interposed therebetween around the winding axis, and extends in a direction parallel to the winding axis of the electrode assembly; a support located below the center pin and supporting the electrode assembly from below; and a base located below the support and including at least one pair of bearings configured to be rotatable on a flat surface perpendicular to the winding axis.

SEPARATOR HAVING LOW PORE CLOSURE TEMPERATURE AND PREPARATION METHOD THEREFOR

Resumen de: EP4546543A1

The present invention provides a separator having a low pore-closing temperature, including a base membrane containing an unbranched polyolefin and a long-branched polyolefin, and a coating formed on at least one surface of the base membrane and containing a heat-sensitive high molecular material. By the aforesaid solution, the present invention can substantially lower the pore-closing response time and pore-closing temperature of the separator, thus improving the safety performance of lithium ion batteries. In addition, the present invention further provides a method for preparing the aforesaid separator having a low pore-closing temperature and a battery containing the aforesaid separator having a low pore-closing temperature.

BATTERY SEPARATOR AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4546545A2

Provided in the present disclosure is a battery separator, including: at least one base film; at least one inorganic layer located on the base film; and a plurality of polymer particles. The plurality of polymer particles are located on the inorganic layer. The density of the polymer particles is less than the density of the inorganic layer. In the present disclosure, the prepared polymer particles having a multilayer structure are blended with barium titanate. A blended slurry is coated onto the base film and then placed in an oven for drying. During a drying process, a density difference exists between barium titanate and the polymer particles, so that barium titanate having a relatively large density sinks and the polymer particles float up. Therefore, the manufactured battery separator has excellent heat resistance and high adhesive performance.

BATTERY SEPARATOR HAVING HIGH HEAT-RESISTANT CERAMIC COATING, AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4546540A2

The present invention provides a battery separator with a high-heat-resistant ceramic coating, wherein the battery separator comprises a base membrane and a ceramic coating coated thereon, the ceramic coating includes ceramic powder and a binder, the binder is used for binding the ceramic powder on the base membrane, and the ceramic powder further includes at least one inorganic substance A with a density of 5-15 g/cm³. The present invention has the beneficial effect that when the base membrane is coated with the ceramic coating at least containing the inorganic substance A with the larger density, the inorganic substance A can play a role of "pillar" in the three-dimensional structure of the separator due to larger gravity so as to form a more stable rigid structure, thereby resisting large-area shrinkage caused by stress release due to the movement of molecular chains in the separator under a high-temperature environment.

BATTERY SYSTEM

Resumen de: EP4546503A1

A battery system includes a plurality of cells, a hermetically sealed pack case, a first abnormality detection sensor, a second abnormality detection sensor, and a controller. The plurality of cells each includes a hermetically sealed cell case. The cell case includes a first pressure valve configured to irreversibly rupture by a predetermined activation pressure. The controller is configured to execute an abnormality determination process of determining that an abnormality occurs in at least one of the plurality of cells if the pressure value detected by the first abnormality detection sensor is higher than a predetermined threshold value and the detection value detected by the second abnormality detection sensor is higher than a predetermined threshold value.

PROTECTION CIRCUIT MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: EP4546501A1

The present invention relates to a protection circuit module (100, 400, 500, 600, 720) and a battery pack (700) including the same. The protection circuit module (100, 400, 500, 600, 720) includes a substrate (110) having a first surface (110A) and a second surface (110B), a connector (120, 410, 510, 610) disposed on the first surface (110A) and electrically connected to a battery cell (710), an overvoltage protection element (130, 420, 530, 620) disposed on the second surface (110B) and electrically connected to the connector (120, 410, 510, 610), and a fuse (140, 520, 630) disposed on the first surface (110A) and electrically connected to the overvoltage protection element (130, 420, 530, 620). The protection circuit module (100, 400, 500, 600, 720) may effectively protect a battery management device (e.g., an analog front end integrated circuit, AFE IC) from electrostatic discharge.

BATTERY MANAGEMENT DEVICE, BATTERY SYSTEM, AND BATTERY MODULE ASSEMBLY BALANCING METHOD

Resumen de: EP4546607A1

A battery system, including a battery rack having a plurality of battery module assemblies (BMA), according to embodiments of the present invention may include a first battery management apparatus for controlling the battery rack, wherein the first battery management apparatus is configured to determine, at predetermined intervals, whether conditions for performing a BMA balancing are satisfied, wherein fulfillment of the conditions depend on the at least one of (i) whether the battery system is in an idle state and (ii) a state of charge of the battery system, and to determine a BMA balancing target and a BMA balancing time in response to at least one of the conditions for performing the BMA balancing is satisfied; and a second battery management apparatus configured to receive a BMA balancing command including the BMA balancing target and the BMA balancing time from the first battery management apparatus and to perform the BMA balancing.

LIQUID COOLING SYSTEM AND BATTERY BOX USING SAME

Resumen de: EP4546508A1

The present application relates to the technical field of batteries. Specifically, disclosed are a liquid cooling system and a battery case applied therewith. The liquid cooling system includes: a plurality of liquid cooling plates arranged in sequence, each of the plurality of liquid cooling plates including an end seat and a heat dissipation part, and the end seat being provided with an inlet port tube and an outlet port tube in communication with the heat dissipation part; and a plurality of connecting tubes, configured to be connected to adjacent inlet port tubes and adjacent outlet port tubes, enabling the plurality of liquid cooling plates to be connected in parallel. An inlet main port and an outlet main port are respectively provided on two outermost end seats, the inlet main port is configured to be in communication with the inlet port tube to input cooling liquid into the heat dissipation part, and the outlet main port is configured to be in communication with the outlet port tubes to discharge the cooling liquid from the heat dissipation part.

BATTERY ARRAY

Resumen de: EP4546510A1

A battery array includes a first heat sink having a plate shape; a battery cell unit mounted on a top surface of the first heat sink; a first column coupled to the top surface of the first heat sink and extending in the vertical direction; a second heat sink having a plate shape, located above the first column, and including a bottom surface coupled to the first column; and a reinforcing member located between the second heat sink and the battery cell unit and configured to support the bottom surface of the second heat sink. The battery array has a structure in which a plurality of battery array units is stacked in a vertical direction.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Resumen de: EP4545487A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, wherein through surface modification of the lithium manganese-based oxide, the surface resistance of the lithium manganese-based oxide is reduced, thereby improving the lifetime characteristics of the lithium secondary battery, which uses the lithium manganese-based oxide as a positive electrode active material, and a lithium secondary battery including the same.

METHOD FOR DYNAMICALLY ADJUSTING POWER, AND BATTERY MANAGEMENT SYSTEM, DEVICE, MEDIUM AND VEHICLE

Resumen de: EP4546600A1

A method for dynamically adjusting power, a battery management system, a device, a medium, and a vehicle are disclosed, which relate to the technical field of energy management. The method for dynamically adjusting power includes acquiring power information, calculating a discharge power integral value within a preset time threshold, calculating a discharge energy according to the power information, and determining whether it is necessary to adjust the maximum allowable output power from first time discharge power to second time discharge power, or to adjust the maximum allowable output power from the second time discharge power to the first time discharge power based on the discharge power integral value and the discharge energy. According to the embodiments, the maximum allowable output power is adjusted between short-term discharge power and long-term discharge power by detecting the actual state of the current battery and combining the current actual power information, which, on the premise of protecting the battery, meets the power requirements of the entire vehicle under different working conditions, thereby improving the driving experience, slowing down the aging of the battery, and prolonging the service life of the vehicle.

SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY COMPRISING SILICON-CARBON COMPOSITE MATERIAL

Resumen de: EP4546455A1

The present application provides a silicon-carbon composite, a method of preparing the same, and a secondary battery including the silicon-carbon composite. The silicon-carbon composite includes porous carbon-based matrix particles having a three-dimensional network interconnecting pore structure; and silicon-based nanoparticles, at least a portion of which is provided in the three-dimensional network interconnecting pore structure. The present application enables secondary batteries to have an improved cycle performance and energy density.

NONAQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4546490A1

The present invention provides a non-aqueous electrolyte including: a lithium salt; an organic solvent; and an additive, wherein the additive includes a compound represented by a specific formula. The non-aqueous electrolyte according to the present invention includes the additive having excellent effects of film protection, O₂ scavenging, and HF scavenging of the electrodes, and thus may improve cycle characteristics and high-temperature storage characteristics of the lithium secondary battery including the non-aqueous electrolyte.

BINDER COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, SLURRY COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, FUNCTIONAL LAYER FOR ALL-SOLID-STATE SECONDARY BATTERY, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: EP4546485A1

Provided is a binder composition for an all-solid-state secondary battery that can reduce internal resistance of an all-solid-state secondary battery while also imparting excellent adhesiveness to a functional layer for an all-solid-state secondary battery. The binder composition for an all-solid-state secondary battery contains a copolymer including a nitrile group-containing monomer unit and a solvent. The solvent includes an ester solvent having a carbon number of 6 or more. Proportional content of the nitrile group-containing monomer unit in the copolymer is 10 mass% to 22 mass% when all repeating units in the copolymer are taken to be 100 mass%. The copolymer has a tetrahydrofuran-insoluble fraction of 0.5 mass% to 3 mass%, and a copolymer solution obtained when the copolymer is dissolved in the solvent such that concentration of the copolymer is 8 mass% has a haze of 30% to 80%.

SULFUR-CONTAINING HIGH MOLECULAR WEIGHT COMPOUND AND METHOD FOR PRODUCING SAME, POLYMER COMPOSITION, AND SULFUR-CONTAINING COMPOUND

Resumen de: EP4545588A1

Provided is a novel sulfur-containing polymer and a method for producing the same, a composition comprising the novel sulfur-containing polymer, and a sulfur-containing compound. The sulfur-containing macromolecular compound of the present invention has a structural unit represented by, for example, the following formula (1):        -R<1>-R-R<1>-(S)n-     (1)wherein in formula (1), n represents a number of 1 or more, R represents an organic group, and R<1> represents a divalent organic group derived from a polycondensable functional group. The method for producing a sulfur-containing macromolecular compound of the present invention comprises reacting a linear sulfur polymer and compound C having two polycondensable functional groups to obtain a sulfur-containing macromolecular compound.

CARBOXYMETHYL CELLULOSE AND/OR SALT THEREOF, ELECTRODE COMPOSITION FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4546466A1

A carboxymethyl cellulose and/or a salt thereof which are used for a binder for nonaqueous electrolyte secondary battery electrodes, in which a degree of carboxymethyl substitution per anhydroglucose unit is 0.5 to 1.2, a dispersibility as determined using a powder tester is 20 to 60%, or a dispersibility (BS) in methanol as determined by turbinscan is 3 to 10%.

Ternary positive electrode fiber composite material and preparation method therefor

Resumen de: GB2634857A

The present application relates to the field of battery materials, and provides a ternary positive electrode fiber composite material and a preparation method therefor. According to the preparation method for the ternary positive electrode fiber composite material of the present application, a coaxial fiber precursor of a sandwich structure is pre-constructed by means of a coaxial electrostatic spinning method, and then a nitrogen-containing polymer coating layer is introduced by means of a monomer polymer grafting method to coat the surface of the fiber; and after high-temperature sintering, the two-layer structure in the fiber precursor is fused to form a ternary positive electrode carbon composite material, and the outer nitrogen-containing polymer layer without a coating layer is converted into a nitrogen-containing carbon layer, so that the fiber morphology is effectively reserved, and the conductivity of the whole material is effectively improved. The present application also discloses a positive electrode sheet of a lithium-ion battery prepared from the ternary positive electrode fiber composite material.

METHOD FOR PRODUCING A MATERIAL OR A COMPONENT FOR A SOLID-STATE BATTERY

Resumen de: WO2024068134A1

The invention relates to a method for producing a material for a solid-state battery and/or a component for a solid-state battery, and to a solid-state battery cell. In the method for producing a material (10) for a solid-state battery (30) and/or a component (20) for a solid-state battery (30), at least one starting material (1), together with a sodium source (2) and H3BO3, is heated (5) to a temperature between 600 °C and 1300 °C. The material and/or the component can be produced using a far lower temperature.

SYSTEM AND METHOD FOR DETECTING ELECTROLYTE AND COOLANT LEAKAGE FROM LITHIUM-ION BATTERY SYSTEMS

Resumen de: CN119404351A

A computer-implemented method includes monitoring, using a first gas sensor, a gas analyte level associated with a battery system and monitoring at least one variable of the battery system. The method includes determining whether there is a correlation between the monitored gas analyte level and the monitored at least one variable of the battery system. The method includes determining whether there is an electrolyte leak in the battery system based on a result of the determination of the correlation.

SECONDARY BATTERY MODULE

Resumen de: EP4546538A1

The present invention relates to a secondary battery module, and more particularly, to a secondary battery module including a plurality of secondary batteries.A secondary battery module according to the present invention includes: a plurality of secondary batteries in which an electrode assembly is accommodated in a battery case of which an edge is sealed; and a housing having an accommodation space in which the plurality of secondary batteries are accommodated, wherein the battery case includes: at least one folding part, which is folded so that an end thereof is surrounded inward, on the edge; and at least one exhaust part, in which sealing is released to discharge an internal gas of the battery case when the end is exposed to the outside, and an internal pressure of the battery case is higher than a predetermined pressure, on the edge, wherein at least one venting part through which the gas discharged from the exhaust part is exhausted to the outside is provided in the housing.

SECONDARY BATTERY ELECTRODE AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4546440A1

The objective of the present invention is to provide a method for manufacturing a secondary battery electrode, and the secondary battery electrode manufactured thereby, which are capable of simultaneously suppressing an electrode breakage problem during rolling and a burning problem during assembly. According to the present invention, provided is the secondary battery electrode comprising an electrode current assembly, and an electrode mixture layer formed on at least one surface of the electrode current collector so that a part of the electrode current collector is exposed to form an uncoated part, wherein the tensile strength retention of the uncoated part according to formula 1 is 0.75 or greater. Formula 1 R_TS = TS_NC / TS_ML, wherein, in formula 1, R_TS is the tensile strength retention of the uncoated part, TS_NC is the tensile strength of the uncoated part in an area that excludes area A, which is a partial area in the uncoated part set toward the electrode mixture layer from an end of the uncoated part, and TS_ML is the tensile strength of the electrode current collector having the electrode mixture layer formed on at least one surface thereof.

SECONDARY BATTERY ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4546487A1

The present invention relates to a secondary battery electrolyte and a lithium secondary battery comprising same. The lithium secondary battery electrolyte of the present invention comprises: a lithium salt; a non-aqueous organic solvent; and, as an additive, a polymer including a repeating unit derived from a monomer represented by chemical formula 1 and a repeating unit derived from a monomer represented by chemical formula 2.

A SYSTEM AND METHOD FOR PREVENTING THERMAL RUNAWAY IN BATTERY PACKS IN A VEHICLE

Resumen de: TW202401887A

The present invention relates to a system (100) and method (200, 300) for preventing thermal runaway in one or more first battery packs (104) in a vehicle (102). The system comprises one or more temperature sensors (106), one or more heat transfer modules (108) and a control unit (112). The heat transfer modules (108) are operably connected to the first battery packs (104) and the second battery packs (114). The control unit (112) is configured to receive temperature data and instruct, on satisfaction of one or more pre-defined conditions, the second battery packs (114) to activate the heat transfer modules (108). The heat transfer modules (108), on activation, absorbs heat from the first battery packs (104) and rejects the absorbed heat to a heat sink (110) which is in contact with atmosphere surrounding the vehicle (102).

A BATTERY ENERGY STORAGE SYSTEM

Resumen de: CN119497922A

The present invention is an energy storage system comprising: a plurality of elongate compartments, each designed to accommodate a string of energy storage cells; each compartment is provided with an accessible opening, and the design is used for facilitating the installation and disassembly of the energy storage battery cell; the compartment is designed to accommodate two or more energy storage cells, and the energy storage cells are adjacently arranged at the tail ends of the energy storage cells; the battery further comprises a retaining structure which is used for firmly pressing the battery cell strings together so as to form a reliable current path; the system comprises a balance mechanism; the structure includes a balancing system including electrical tabs connecting junctions of adjacent cells and a structure capable of moving charge into and out of the tabs. This charge movement facilitates the charging or discharging of the cells, thereby maintaining the voltage balance of the entire system.

ARTICLE WITH PRESSURE MANAGEMENT AND THERMAL INSULATION PROPERTIES

Resumen de: CN119403677A

The present disclosure relates generally to the field of cushioning articles, and more particularly to the field of articles with pressure management and thermal insulation properties. The present disclosure also relates to methods of making such articles and their use in industrial applications for pressure and thermal management applications.

BATTERY PACK FOR AN ELECTRIC VEHICLE

Resumen de: WO2023248059A1

A battery pack for an electric vehicle, the battery pack including a battery housing; a general battery management system (general BMS) disposed in the battery housing; and a plurality of battery modules disposed in the battery housing, each battery module of the plurality of battery modules including a plurality of battery cells; and a module board including a module battery management system (module BMS) communicatively connected to the general BMS, the module BMS including sensors for sensing an operating condition of the plurality of battery cells; and an integrated current collector disposed within the battery module, the integrated current collector electrically coupling the battery cells together. A method for managing a battery pack of an electric vehicle, the battery pack including the general BMS operatively connected to the battery modules, each battery module including the module BMS, the method being executed by the general BMS.

POSITIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE

Resumen de: EP4546463A1

A positive electrode active material with a small decrease in discharging capacity in charging and discharging cycles is provided. The positive electrode active material contains cobalt, nickel, and oxygen. The proportion of nickel in the sum of the cobalt and the nickel, Ni/(Co+Ni), is greater than 0.175 and less than or equal to 0.215. When the positive electrode active material in a state of being charged to 4.5 V (vs. Li/Li<+>) is analyzed by powder X-ray diffraction using CuKα1 radiation, diffraction peaks are observed at at least two or more of 2θ = 18.526 ± 0.1°, 2θ = 37.391 ± 0.1°, 2θ = 37.628 ± 0.1°, 2θ = 39.015 ± 0.1°, 2θ = 44.947 ± 0.1°, 2θ = 49.029 ± 0.1°, and 2θ = 58.857 ± 0.1°.

BATTERY PACK

Resumen de: EP4546526A1

A battery pack according to an embodiment of the present invention includes a side cover, a front cover coupled to the side cover in a direction crossing the side cover, a top cover coupled to an upper portion of each of the side cover and the front cover, a first sealing member disposed along a first area that is a coupling area of the side cover and the front cover, and a second sealing member disposed along a second area that is a coupling area between the side and front covers and the top cover, wherein the first sealing member extends at a contact area with the second sealing member along a boundary between the side cover and the front cover.

REFUELABLE BATTERY SYSTEMS, DEVICES, AND COMPONENTS

Resumen de: AU2023315806A1

A metal-air battery including: a current collector; a metal electrode including a metal and contacting the current collector; an air electrode on the metal electrode and opposite the current collector; a solid electrolyte between the metal electrode and the air electrode; a discharge product of the metal on the air electrode; wherein the metal-air battery is configured to release the discharge product.

BATTERY INCLUDING SAFETY FUNCTION LAYER

Resumen de: EP4546500A1

A battery including a safety function layer is disclosed. A battery according to various embodiments of the present invention may comprise: a battery case dividing the interior and the exterior of the battery; and an electrode assembly including at least one positive electrode positioned inside the battery case, at least one negative electrode positioned inside the battery case to face the positive electrode, and at least one separator disposed between the positive electrode and the negative electrode. The positive electrode may include a positive electrode safety function layer disposed in an area including the outermost positive electrode area, the area being closest to the inner side of the battery case in the positive electrode.

BOX BODY OF BATTERY, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4546528A1

Embodiments of the present application provide a box body of a battery, a battery, and an electric device. The box body comprises a base plate and a plurality of side beams, the plurality of side beams are connected to the base plate, and an accommodating space is defined by the plurality of side beams and the base plate. At least one side beam comprises a beam main body and a reinforcing portion, the reinforcing portion protrudes out of the surface of the beam main body facing the accommodating space, the reinforcing portion is provided with a relief structure, and the relief structure is used for leaving components accommodated in the accommodating space. According to the embodiments of the present application, at least one side beam is provided with a reinforcing portion, so that the structural strength of the side beam is improved, and the risk of deformation of a battery is reduced; the reinforcing portion is disposed on the surface of a beam main body facing an accommodating space, so that the overall volume of the battery would not be increased due to the presence of the reinforcing portion; moreover, the distance between battery cells and side beams can be reduced, the adhesive strength between the battery cells and the side beams is improved, and thus the structural strength of the battery is enhanced.

BATTERY PACK AND VEHICLE

Resumen de: EP4546532A1

A battery pack and a vehicle. The battery pack comprises a sealing cover, a tray, a plurality of battery cells, insulating layers, and at least one connecting sheet, wherein the tray is connected to the sealing cover to define an accommodating cavity; the plurality of battery cells are arranged in the accommodating cavity; the side of each battery cell facing away from the sealing cover is provided with a first explosion-proof valve; each insulating layer is arranged on the side of the battery cell facing away from the sealing cover; the connecting sheet is arranged on the insulating layer; the battery cells are electrically connected by means of the connecting sheet; and each insulating layer is provided with a gas emission portion configured to make the outside be in communication with the first explosion-proof valve.

THERMAL MANAGEMENT SYSTEM MODELING METHOD AND APPARATUS, AND DEVICE, MEDIUM AND VEHICLE

Resumen de: EP4546199A1

Provided are a thermal management system modeling method and apparatus, and a device, a readable storage medium, a vehicle, a computer program product and a computer program. The method comprises: acquiring a plurality of temperature nodes in a thermal management system and a plurality of branch loops in the thermal management system; on the basis of a heat exchange component in each branch loop and/or warm water points of cooling liquids in at least two branch loops, determining temperature nodes which cannot be combined; and on the basis of the temperature nodes which cannot be combined, combining the temperature nodes in the thermal management system according to a preset combination strategy, so as to obtain a target model corresponding to the thermal management system.

RECHARGEABLE AQUEOUS MG BATTERY WITH A SOLID-STATE POLYMER ELECTROLYTE

Resumen de: CN119213605A

The rechargeable water-based magnesium battery consists of a magnesium metal anode, a solid water-based polymer-based electrolyte and an intercalation type Prussian blue analogue cathode, and is used for ion storage. During battery operation, the magnesium anode undergoes dissolution and deposition, while magnesium ions in the electrolyte are inserted and extracted from the cathode lattice, releasing energy during discharge and storing energy during charge.

BATTERY PACK

Resumen de: EP4546548A1

Provided in the present disclosure is a battery pack, comprising: a plurality of battery cells, each of which comprises a shell, a battery core, and a plurality of terminal posts, wherein an accommodating space is defined inside the shell, the cell is arranged in the accommodating space, the shell is at least provided with a first surface and a second surface, and the terminal posts are arranged on the cell and extend out of the shell from the first surface; an electrical connecting member, which is arranged opposite each of two adjacent first surfaces and is electrically connected to each of two adjacent terminal posts, so as to conduct two adjacent battery cells; and a heat transfer member, which can transfer heat from the electrical connecting member to the second surface.

ELECTROCHEMICAL CELLS WITH HIGH-VISCOSITY SEMI-SOLID ELECTRODES, AND METHODS OF MAKING THE SAME

Resumen de: CN119213575A

Embodiments described herein relate to electrode and electrochemical cell material recovery. The electrode material is recycled, so that a large amount of cost can be saved, and the cost of quenching chemicals and the cost of the material can be saved. The separation process described herein includes centrifugal separation, settling separation, flocculant separation, froth flotation, hydrocyclone, vibratory screening, air classification, and magnetic separation. In some embodiments, the methods described herein may include any combination of froth flotation, air classification, and magnetic separation. In some embodiments, the electrolyte may be separated from the active and/or conductive material by drying, subcritical or supercritical carbon dioxide extraction, solvent mass extraction (e.g., with a non-aqueous or aqueous solvent), and/or freeze drying. By applying these separation processes, a high-purity primary product can be separated. These products can be reused or sold to a third party. The processes described herein can be extended to large cell production facilities.

METHOD FOR LAMINATING STRIPS OF MATERIAL FOR THE PRODUCTION OF ELECTRICAL ENERGY STORAGE DEVICES AND RELATED MACHINE

Resumen de: WO2023248127A1

Method for laminating strips (3) of material, in particular for the production of electrical energy storage devices, the strips (3) comprising a first separator strip (3, S') and at least a first electrode strip (3, E'), the first separator strip (3, S' ) comprising a first face (11) and a second face (12), the method comprising the sequential steps of : conveying the first separator strip (3, S') along a feeding path (A) in a first direction (D, D'); heating at least the first face (11) of the first separator strip (3, S'), the first face (11) of the first separator strip (3, S') being configured to face a respective face of the first electrode strip (3, E'); introducing the first separator strip (3, S') and the first electrode strip (3, E') in a lamination unit (5); and cold laminating, via the lamination unit (5), the first separator strip (3, S') and the first electrode strip ( 3, E') together.

ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, AND RELATED DEVICE

Resumen de: EP4546439A1

An electrode sheet (311) includes a current collector (36) as well as an insulating layer (37) and an active material layer (38) arranged on the current collector (36) along a first direction, the insulating layer (37) is first formed on the current collector (36), and then the active material layer (38) is formed on the current collector (36), so that an edge portion on one side of the active material layer (38) close to the insulating layer (37) covers a first edge region (371) of the insulating layer (37), thereby effectively avoiding the problem of coating bulging edge caused by migration of the insulating layer (37) to the active material layer (38), which is beneficial to improving processing efficiency and quality of the electrode sheet (311), so as to obtain an electrode sheet (311) with higher final quality.

BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4546527A1

A battery pack according to the present disclosure includes a plurality of pouch-type battery cells; a pack case for storing the pouch-type battery cells in an inner space thereof; and a cell cover configured to at least partially surround an exterior of at least a first battery cell and a second battery cell, which are adj acent to each other among the plurality of pouch-type battery cells, in the inner space of the pack case, and the cell cover includes a partition cover unit; a first side cover unit; a second side cover unit; an upper cover unit; and a lower cover unit.

BATTERY PACK, BATTERY MODULE AND VEHICLE INCLUDING SAME

Resumen de: EP4546525A1

Provided are a battery pack capable of improving thermal propagation to ensure excellent safety in the event of a thermal event, a battery module, and a vehicle including the same. A battery pack according to one aspect of the present disclosure includes a plurality of pouch-type battery cells each having an electrode lead; a busbar frame assembly coupled to at least some of the electrode leads of the plurality of pouch-type battery cells; and a cell cover provided to at least partially surround at least some of the pouch-type battery cells among the plurality of pouch-type battery cells, wherein an end thereof is inserted into the busbar frame assembly.

LITHIUM BATTERY PERFORMANCE SCORE CALCULATION METHOD AND SYSTEM

Resumen de: EP4546229A1

Disclosed is a lithium battery performance score calculation method and system. The method comprises: acquiring data information during the operation of a lithium battery, and uploading the data to a lithium battery performance score database; using the lithium battery performance score database to construct a lithium battery performance scoring system from three dimensions: battery nameplate attributes, operation attributes and environment attributes; and constructing a battery performance score calculation model by using a fuzzy comprehensive evaluation method and calculating performance index scores of the lithium battery.

VENTILATION DEVICE FOR A BATTERY

Resumen de: US2025118861A1

Battery system comprising a battery casing with a vent opening and a ventilation device and ventilation device comprising a first membrane adapted to ensure pressure balance between the inside of the battery casing and its environment during normal operation conditions of the battery system and a second membrane adapted to ensure an emergency venting in case of technical defect within the battery system.

LITHIUM-DEFICIENT AND HALIDE-RICH SOLID ELECTROLYTES

Resumen de: CN119366019A

The invention relates to a lithium-deficient and halide-rich solid electrolyte. These solid electrolytes exhibit increased ionic conductivity.

LITHIUM-RICH NICKEL-RICH POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: WO2023247529A1

The present invention relates to Li-rich positive electrode active material comprising a layered structure and a disordered rock-salt structure exhibiting high capacity and excellent cycling stability.

BUSBAR ASSEMBLY

Resumen de: US2025118868A1

A battery system comprises at least one battery cell and a busbar assembly. The busbar assembly for an electric vehicle having a busbar for electric power distribution and a connector. The busbar comprises a body made of conducting material, the body being at least partially hollow, such that the busbar comprises at least one conductive inner surface and an air gap adapted to increase cooling efficiency by natural convection, such that a passive cooling is realized.

METHOD FOR MANUFACTURING A SOLID SULFIDE ELECTROLYTE

Resumen de: CN119318045A

The present invention relates to a method for manufacturing a solid sulfide electrolyte and a solid sulfide electrolyte obtainable by the method. The present inventors have surprisingly found that a solid sulfur electrolyte is obtained by mixing a solid electrolyte precursor mixture with an organic liquid other than ethanol or methanol followed by a heat treatment, the resulting conductivity of which is higher.

THERMAL RUNAWAY FUMES MANAGEMENT

Resumen de: CN119404356A

The invention relates to an assembly for a vehicle, which protects a passenger compartment from contamination of gases released from a battery module in the event of heat dissipation. The released gas propagates into a hollow element of the vehicle that provides a channel that is blocked at a location by the expanded cured adhesive material, thereby providing a barrier to the gas.

BATTERY SAFETY SYSTEM HAVING A CONTROLLED GAS RELEASE FUNCTION

Resumen de: CN119318056A

The invention relates to a safety battery system (10) for controlled, active degassing. A safety battery system (10) for controlled degassing in the event of aging, leakage or accident has a sorption element (15) for absorbing chemical compounds occurring in degassing and a sensor or indicator (26) for monitoring saturation of the sorption element (15). The invention further relates to the use of a sensor or indicator (26) for monitoring the saturation of a sorption element (15) in a battery system (10), and to the use of a safety battery system (10) according to the invention in battery-driven travelers, household appliances or electrochemical large-scale storage facilities.

LITHIUM-RICH NICKEL-RICH POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: WO2023247529A1

The present invention relates to Li-rich positive electrode active material comprising a layered structure and a disordered rock-salt structure exhibiting high capacity and excellent cycling stability.

SPHERICAL SILICON-BASED LITHIUM STORAGE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4546459A1

The application provides a spherical silicon-based lithium storage material and a preparation method thereof, wherein the preparation method comprises: providing a spherical matrix with a layered stacking structure; providing a spherical matrix with a layered stacking structure; performing different activation treatment steps to the spherical matrix by adopting an activation agent, and forming carbonaceous substance in pore channels formed by each activation treatment step; and forming silicon-containing substance in the pore channels after the different activation treatment steps and the carbonaceous substance is formed. The spherical silicon-based lithium storage material and the preparation method thereof of the technical scheme of the application may not only ensure the high sphericity of the material, but also improve the capacity of the material, and simultaneously, when being made into a lithium ion battery, the lithium ion battery may have excellent cycling performance and rapid rate charging performance.

ENCAPSULATION FILM, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Resumen de: EP4546513A1

This application provides an encapsulation film, an electrochemical device, and an electronic device. The encapsulation film includes: an inner layer, where the inner layer includes a thermoplastic resin; an outer layer, where the outer layer includes a thermosetting resin; and a metal layer, where the metal layer is located between the inner layer and the outer layer, the metal layer includes at least one of stainless steel, titanium alloy, or nickel alloy, a thickness of the metal layer is 10 µm to 60 µm, and a tensile strength of the metal layer is 300 MPa to 2000 MPa; where a ratio of a thickness of the inner layer to the thickness of the metal layer is 0.6 to 3. The metal layer includes at least one of stainless steel, titanium alloy, or nickel alloy, the tensile strength of the metal layer is 300 MPa to 2000 MPa, and the ratio of the thickness of the inner layer to the thickness of the metal layer is 0.6 to 3. This can achieve a relatively high puncture resistance strength under a condition that the thickness of the encapsulation film is relatively thin, thereby enhancing the puncture resistance strength of the electrochemical device while reducing the adverse impact on the energy density of the electrochemical device.

COMPOSITE CATHODE MATERIAL COMPRISING CERAMIC OXIDE ELECTROLYTE, LITHIUM ELECTRODE MATERIAL AND ENHANCING AGENT

Resumen de: CN119487634A

The invention relates to a solid composite cathode material comprising a ceramic oxide electrolyte material and a lithium electrode material. The addition of lithium halide to selected electrolytes and cathode materials has been found to strongly enhance electrochemical performance.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4546516A1

Some embodiments of this application provide a battery cell, a battery, and an electrical device. The battery cell includes a housing, an end cap, and an electrode terminal. An opening is created on the housing. The end cap is configured to fit and cover the opening. The electrode terminal is disposed on the housing. The end cap is a largest-area wall of the battery cell. By making the end cap be the largest-area wall of the battery cell, this application increases the area of the opening, facilitates a structure in the battery cell to enter the housing, increases the assembling speed during assembling, and in turn, improves production efficiency of the battery cell.

END COVER ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546517A1

The embodiments of the present application relate to the technical field of batteries, and provide an end cover assembly, a battery cell, a battery and an electric device. The end cover assembly comprises an end cover, a connector and an electrode terminal, wherein the end cover is used for sealing an opening of a housing of a battery cell, and is provided with a terminal leading-out hole; the connector is arranged on a side of the end cover that faces away from the housing in a thickness direction; the electrode terminal passes through the terminal leading-out hole, is connected to the connector, and is configured for connection to an electrode assembly of the battery cell, so as to achieve an electrical connection between the connector and the electrode assembly; and in the thickness direction of the end cover, the perimeter of an outer surface of the end cover is L₁, the connector is provided with an interface facing away from the end cover, the perimeter of the interface is L₂, and L₂/L₁ is larger than or equal to 0.25. When a battery cell having the end cover assembly is connected to another battery cell, a connection trajectory obtained when connectors of two battery cells are connected can be increased, such that the bonding strength between the connectors of the two battery cells is enhanced, thereby improving the stability of the electrical connection between the two battery c

ELECTROCHEMICAL CELL WITH ELECTROLYTE MANAGEMENT

Resumen de: CN119422272A

A cathode assembly for an electrochemical cell has an air cathode and an air cathode subassembly. The air cathode subassembly accommodates a gaseous oxygen cathode material in a gas volume. The air cathode subassembly includes a frame defining an edge of a gas volume, a base plate defining a first face of the gas volume, at least one recirculation outlet, and a plurality of internal fluid conduits in the frame, the plurality of internal fluid conduits configured to collect fluid from outside the gas volume along the edge of the air cathode, the air cathode subassembly is arranged to direct the collected liquid electrolyte to at least one recirculation outlet through which the liquid electrolyte exits the air cathode subassembly. An air cathode is secured to the frame to define a second face of the gas volume. In an electrochemical cell, the air cathode may be oriented at an angle of 45 DEG or less relative to a horizontal plane.

SULFUR CATHODES

Resumen de: AU2023286186A1

Sulfur cathodes which include cellulosic compositions containing a plurality of anionically functionalised cellulose nanofibres are described. The anionically functionalised cellulose nanofibres are highly charged and have a low aspect ratio. The sulfur cathodes possess low porosity, high surface smoothness and facilitate the transport of Li ions while hindering the transport of polysulfide anions. Batteries employing the sulfur cathodes have high gravimetric and volumetric density.

ALL SOLID STATE BATTERY CELL

Resumen de: EP4546497A1

The purpose of the present invention is to provide an all-solid-state battery cell in which lithium does not leak to the outside even if the lithium has melted. An all-solid-state battery cell according to the present invention comprises an electrode laminate, an exterior body that accommodates the electrode laminate, and a pair of insulating shape maintenance materials that maintain the shape of the exterior body such that a space between the exterior body and the electrode laminate is secured even when the area inside of the exterior body is in a depressurized state, wherein: each of the pair of shape maintenance materials has a flat plate-shaped flat plate part and a side surface part which is bonded to an end of the flat plate part; the flat plate part is located at the outermost part of the electrode laminate in the lamination direction; the outer shape of the flat plate part, when viewed along the lamination direction, is larger than the outer shape of the electrode laminate; and the tip end surface of the side surface part of one of the shape maintenance materials faces the tip end surface of the side surface part of the other of the shape maintenance materials.

PARALLEL BURNING SYSTEM AND METHOD

Resumen de: EP4546116A1

Embodiments of the present disclosure disclose a parallel burning system and method. The system comprises a master host computer, a plurality of slave host computers, and a plurality of burning modules; the master host computer is connected to the plurality of slave host computers; the plurality of slave host computers are connected one to one with the plurality of burning modules, constituting a plurality of burning channels; the plurality of burning modules are connected to a plurality of products to be burned by using different communication modes; and the master host computer is used to call the plurality of slave host computers, transmit multiple pieces of burning data corresponding to the plurality of products to be burned to the plurality of burning modules via the plurality of burning channels, and burn the multiple pieces of burning data in parallel by means of the plurality of burning modules to the plurality of products to be burned.

SHEET CONNECTION DEVICE AND METHOD FOR SECONDARY BATTERY

Resumen de: EP4545459A1

A sheet connection device (100) for a secondary battery is provided. The sheet connection device (100) includes a first main roller (110) around which a first sheet (114) waiting for a subsequent process is wound, a second main roller (120) around which a second sheet (124) being supplied for the subsequent process is wound, a first correction roller (172) winding at least a portion of the first sheet (114) moving from the first main roller (110) for a test run of the subsequent process, a first sensor (132) arranged to detect a position of the first sheet (114) moving from the first main roller (110) to the first correction roller (172), a controller (180) configured to adjust the position of the first sheet (114) in a sheet width direction while the at least the portion of the first sheet (114) is being wound around the first correction roller (172), and a connection unit (150, 160) arranged to connect the repositioned first sheet (114) with the second sheet (124).

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4546514A1

The present application provides a battery cell, a battery, and an electrical apparatus. The battery cell comprises a housing and an electrode assembly accommodated in the housing. The housing comprises a first plate and a second plate. The second plate intersects the first plate. The first plate comprises a first inner wall surface facing the electrode assembly, and the second plate comprises a second inner wall surface facing the electrode assembly. The housing comprises a third inner wall surface connecting the first inner wall surface and the second inner wall surface. At least part of the third inner wall surface defines a first relief groove. In the thickness direction of the first plate, the first relief groove is recessed towards the side away from the electrode assembly relative to the first inner wall surface, and a part of the projection of the electrode assembly on the first plate overlaps the first relief groove.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546449A1

This application provides a secondary battery and an electric apparatus. The secondary battery includes a negative electrode plate, where the negative electrode plate includes a negative electrode current collector and a negative electrode film layer, the negative electrode film layer has a first surface far away from the negative electrode current collector and a second surface arranged opposite the first surface, the negative electrode film layer has a thickness denoted as H, a region within a thickness range from the second surface of the negative electrode film layer to 0.3H is denoted as a first region of the negative electrode film layer, and a region within a thickness range from the first surface of the negative electrode film layer to 0.3H is denoted as a second region of the negative electrode film layer; the first region includes a first active material, and the second region includes a second active material; and the first active material includes a first silicon-based material, and the first silicon-based material includes secondary particles formed by aggregation of primary particles.

PORTABLE POWER SUPPLY WITH ADJUSTABLE MAXIMUM CHARGE RATE

Resumen de: EP4546595A1

Portable power supply with a maximum charge rate feature. The portable power supply includes a power source; a power input unit configured to receive power from an external source; a core charger coupled to the power source and the power input unit; and an electronic processor coupled to the core charger. The electronic processor is configured to receive a power limit value and determine a supportable charge current of the internal power source. The core charger is configured to determine a power-limited current based on the power limit value and an output voltage of the core charger, determine a target output current by comparing the power-limited current and the supportable charge current, and charge the power source with the received power at the target output current.

CARBON DIOXIDE FIXATION DEVICE AND BATTERY

Resumen de: EP4545481A1

Provided is a carbon dioxide fixation device capable of efficiently fixing atmospheric carbon dioxide while extracting energy. The carbon dioxide fixation device of the present invention includes an aqueous solution containing a water-soluble polymer compound and positive and negative electrode materials, and is capable of producing carbon dioxide-derived carbonate after discharge between the electrode materials. In addition, it is preferable that the water-soluble polymer compound has two or more amino groups in the molecule, has a weight-average molecular weight of not less than 500 and not more than 50,000, and is a non-volatile polyamine.

ELECTRODE PLATE MANUFACTURING APPARATUS, ELECTRODE PLATE MANUFACTURED USING THE SAME, AND METHOD THEREOF

Resumen de: EP4545240A1

An electrode plate manufacturing apparatus comprising:a first laser radiation unit (20) configured to radiate a first laser beam (L1) in a first direction (-Z-axis direction) perpendicular to an electrode film (10) located between rollers of a transfer device to notch at least a portion of the electrode film (10); anda second laser radiation unit (30) configured to radiate a second laser beam (L2) to a notched area of the electrode film (10), which is notched by the first laser radiation unit (20), to remove a material of a surface of the electrode film (10) melted by the first laser beam (L1).

BATTERY CELL CARRIER, BATTERY MODULE, AND METHOD FOR FABRICATING BATTERY MODULE

Resumen de: EP4546523A1

The present disclosure relates to a battery cell carrier, a battery module, and a method of manufacturing the battery module, the battery module including: a plurality of battery cells arranged in a first direction; a battery cell carrier including a pair of side plates disposed to be spaced in a second direction orthogonal to the first direction for the plurality of battery cells to be interposed therebetween, the pair of side plates having a gap filler injection hole formed therein; and a side gap filler layer which is formed by a gap filler being injected between both side surfaces of the plurality of battery cells and the pair of side plates through the gap filler injection hole and which is configured to fix the plurality of battery cells to the battery cell carrier.

SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4546444A1

This application provides a secondary battery and an electric apparatus. The secondary battery includes a negative electrode plate, where the negative electrode plate includes a negative electrode current collector and a negative electrode film layer, the negative electrode film layer has a first surface far away from the negative electrode current collector and a second surface arranged opposite the first surface, the negative electrode film layer has a thickness denoted as H, a region within a thickness range from the second surface of the negative electrode film layer to 0.3H is denoted as a first region of the negative electrode film layer, and a region within a thickness range from the first surface of the negative electrode film layer to 0.3H is denoted as a second region of the negative electrode film layer; the first region includes a first active material, and the second region includes a second active material; and the first active material includes a first carbon-based material and a first silicon-based material, the first carbon-based material includes primary particles, and the first silicon-based material includes secondary particles formed by aggregation of primary particles.

BATTERY PACK CONFIGURED TO BE CAPABLE OF SUPPLYING POWER TO A POWER TOOL

Resumen de: EP4546603A1

Provided is a battery pack configured to be capable of supplying power to a power tool. The battery pack includes a housing assembly; multiple cells disposed in the housing assembly; a first interface configured to be connectable to a first charging device and configured to be capable of supplying power to the power tool; a second interface configured to be connectable to a second charging device; and a power control module configured to be connected to the second interface. The power control module is used for changing the charge power and/or discharge power of the second interface according to the temperature of the battery pack. The preceding technical solution is adopted so that a safer battery pack with a longer service life for a power tool can be provided.

PRE-LITHIATED ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4546481A1

This application relates to a prelithiated electrode material and a preparation method thereof, a secondary battery, and an electrical device. A particle diameter of the prelithiated electrode material is 20 nm to 50 µm. The prelithiated electrode material includes a lithiation layer. The lithiation layer includes at least one lithiation sublayer. When a number of the lithiation sublayers is greater than or equal to 2, a content of lithium in the lithiation sublayers decreases layer by layer from a surface to an interior of the prelithiated electrode material. The prelithiated electrode material can reduce internal expansion of particles and alleviate fragmentation of the material while achieving the desired first-cycle Coulombic efficiency of the battery.

BATTERY MODULE

Resumen de: EP4546605A1

Provided is a battery module which may include a voltage measurement circuit (20) electrically connected to battery cells to measure a voltage of the battery cells, the voltage measurement circuit (20) including a main circuit (30) manufactured using a first method, and a fuse (40) electrically connected to the main circuit (30) and manufactured using a second method that is different from the first method.

BATTERY MODULE

Resumen de: EP4546534A1

The present disclosure provides a battery module (1) capable of preventing battery cells (100) from serially exploding. The battery module (1) includes a plurality of battery cells (100) arranged along a first direction (X), a pair of first plates (200) disposed to face the battery cells (100) and disposed parallel to the first direction (X), a pair of second plates (300) disposed to face the battery cells (100) and disposed parallel to a second direction (Y) intersecting the first direction (X), a buffer member (400) provided between any one of the first plates (200) and any one of the second plates (300) and configured to move the second plate (300) relative to the first plate (200) in a direction parallel to the first direction (X) when a battery cell (100) explodes, and a holder connected to the buffer member (400) and configured to selectively limit movement of the second plate (300) relative to the first plate (200).

POSITIVE ELECTRODE PARTICLES, AND POSITIVE ELECTRODE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4546458A1

The present invention relates to positive electrode particles comprising a positive electrode active material layer comprising positive electrode active material particles, and a solid electrolyte layer surrounding the positive electrode active material layer, and comprising solid electrolyte particles, wherein the average size of the solid electrolyte particles is 10 to 20% of the average size of the positive electrode active material particles.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4546515A1

Embodiments of this application provide a battery cell (20), a battery (10), and an electric device. The battery cell (20) includes: a shell (211), where the shell (211) is a hollow structure with an opening (2111), and an electrode terminal (214) is provided on a first side wall (2112) of the shell (211) adjacent to the opening (2111); and a cover plate (212) configured to cover the opening (2111), where the cover plate (212) and the shell (211) are sealingly connected to form a connecting structure (216) surrounding the opening (2111), the connecting structure (216) includes a first region (2161) corresponding to the electrode terminal (214), and an orthographic projection of a portion of the electrode terminal (214) protruding from the outer surface of the first side wall (2112) on the connecting structure (216) does not exceed the first region (2161). The battery cell (20), battery (10), and electric device provided in the embodiments of this application can improve the processing efficiency of the battery cell (20).

BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4546519A1

Some embodiments of this application provide a battery cell, a battery, and an electrical device. The battery cell includes: a housing of a hollow structure with an opening; and a cover plate, configured to fit and cover the opening. An extension portion extending toward the housing is disposed at an edge region of the cover plate, and/or, an extension portion extending toward a center of the opening is disposed at an edge region of a sidewall of the housing, where the sidewall is configured to form the opening. The extension portion is configured to connect the housing and the cover plate. The battery cell, battery, and electrical device provided herein can improve processing efficiency of the battery cell.

VEHICLE IMPACT DETECTION DEVICE

Resumen de: EP4545340A1

A vehicle impact detection device includes: an amplifier configured to receive and amplify an impact signal of a vehicle; a comparative voltage circuit configured to generate a first reference signal; a first comparator configured to output a control signal indicating that a predetermined first impact detection condition or a predetermined second impact detection condition is satisfied, based on an amplified signal output by the amplifier and the first reference signal; and a driver configured to cut off an output of a battery on basis of the control signal, wherein the comparative voltage circuit is configured to reduce a magnitude of the first reference signal over time in response to detection of the amplified signal output by the amplifier.

BLANKING DEVICE AND METHOD OF MANUFACTURING ELECTRODE PLATE FOR SECONDARY BATTERY USING THE SAME

Resumen de: EP4545201A1

The invention comprises a blanking device (100) for a secondary battery electrode plate, the blanking device (100) comprising:a first mold (110) including a die (116) and a first stripper (118), the die (116) surrounding the first stripper (118) and having a structure with one open side portion, and the first stripper (118) having a structure with one open side portion aligned with the one open side portion of the die (116); anda second mold (120) facing the first mold (110), the second mold (120) including a punch (126) and a second stripper (128), and the first mold (110) being moveable toward the second mold (120), anda method of manufacturing an electrode plate for a secondary battery, the method comprising:aligning a substrate (980) between a first mold (110) and a second mold (120) of a blanking device (100), the first mold (110) having one open side portion in a direction in which the substrate (980) is pulled out;lowering the first mold (110) toward the second mold (120) to fix the substrate (980);making the electrode plate (982) by blanking the substrate (980); andtransferring the electrode plate (982) to a subsequent process by an electrode plate transfer device (970), the electrode plate transfer device (970) entering the one open side portion of the first mold (110).

BOTTOM-VENTED SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: EP4546496A1

Disclosed herein is a secondary battery including a vent through which gas may be discharged in the event of an internal event, and a method of manufacturing the same, and which provides a structure for ensuring a gas passage within the bottom-vented secondary battery to avoid destruction of a case if an event occurs or during thermal runaway due to an increase in degassing path in the secondary battery. To this end, there are provided a secondary battery, which includes a case, an electrode assembly in the case, a first cap plate coupled to the case, a vent opposite the first cap plate, and a gap-maintaining part for maintaining a gap between the electrode assembly and the vent, a method of manufacturing the same, and a vehicle including the secondary battery.

APPARATUS FOR MANUFACTURING SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY USING SAME

Resumen de: EP4546479A1

A secondary battery manufacturing apparatus includes: (1) a clamping machine with a clamp configured to fix an electrode assembly; (2) a transfer rail overlapping the clamping machine; and (3) a tape attachment device coupled to the transfer rail and configured to move along the transfer rail. The tape attachment device includes: (1) a tape gripper configured to apply vacuum pressure to a tape; and (2) side heaters adjacent to ends of the tape gripper.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546509A1

A battery (10) and an electric device (1) are disclosed. The battery (10) includes a thermally-conductive member (40) and a battery module (20). The thermally-conductive member (40) is disposed in a first direction, and the first direction is a length direction of the battery (10) or a moving direction of the electric device (1) with the battery (10). The battery module (20) includes at least one battery cell (21), and the battery module (20) is disposed in the first direction. The battery cell (21) includes a plurality of surfaces, the plurality of surfaces including a first surface (2111) with the largest area. The battery cell (21) is in thermal-conduction connection with the thermally-conductive member (40) at least via the first surface (2111).

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546549A1

A battery and an electrical apparatus are provided. The battery includes a box, a battery cell, an electrical component, and at least one adapter member; the box has a first accommodating cavity, a second accommodating cavity, and a partition that isolates the first accommodating cavity from the second accommodating cavity; the battery cell is accommodated in the first accommodating cavity; the electrical component is accommodated in the second accommodating cavity; the at least one adapter member is disposed on the partition and sealingly connected to the partition, the at least one adapter member electrically connecting the electrical component and the battery cell. In the battery provided in embodiments of the present application, the first accommodating cavity and the second accommodating cavity are isolated from each other to reduce the possibility of spreading thermal runaway occurring in one of the electrical component and the battery cell to the other, which is conducive to improving the reliability of the battery.

SECONDARY BATTERY AND METHOD OF MANUFACTURING SECONDARY BATTERY

Resumen de: EP4546482A1

In a method of manufacturing a secondary battery (1), joining a first current collecting member (420) and a second current collecting member (450) includes joining the first current collecting member (420) and the second current collecting member (450) by applying a high-energy ray (2) to at least one of the first current collecting member (420) and the second current collecting member (450) from between a case main body (110) and a first sealing plate (130).

Correction method and device for energy storage battery management system, and system and medium

Resumen de: GB2634991A

Embodiments of the present disclosure provide a correction method for an energy storage battery management system, comprising: generating prediction data by means of a twin model on the basis of historical battery data (S210); when a model correction event is detected, training universal battery models according to the prediction data to obtain a target battery model (S220); and issuing model update firmware or model update parameters of the target battery model to a local energy storage battery manager (S230). The present disclosure further provides a correction device for an energy storage battery management system, and a system and a medium.

RECHARGEABLE BATTERY

Resumen de: EP4546478A1

A rechargeable battery includes an electrode assembly including a first wound part and a second wound part connected by a connection part, the electrode assembly being formed by being wound at each of both ends of a stacked body of a first electrode plate, a first separator, a second electrode plate, and a second separator; and a case that accommodates the electrode assembly, wherein the case includes flat sides facing each other at both sides of the case in a width direction, and curved sides at both ends of the case in a length direction, and the flat sides and the first wound part and the second wound part surround an electrolyte solution accommodating space therebetween.

VENTING DEVICE AND BATTERY PACK WITH THE SAME

Resumen de: EP4546536A1

A venting device including: a cover positioned at one side of a wall having a vent hole, through which a gas is able to move, formed therein to cover the vent hole; a connection pin configured to pass through the wall and have one side connected to the cover; and a hook positioned at the other side of the wall and connected to the other side of the connection pin so that the cover and the connection pin are supported by the wall.

BATTERY CELL HOLDER

Resumen de: EP4546522A1

The present disclosure is directed to providing a battery cell holder capable of further reducing the resistance of an adhesive liquid when a battery cell is assembled to a structure of a lower side of a battery. The battery cell holder includes a cell support in which a plurality of battery cells are fitted and seated, a through-hole formed through the cell support and into which an adhesive liquid is introduced, and a guide groove formed on the cell support to extend in a seated direction of the battery cell, coming into contact with the through-hole and configured to form a passage through which the adhesive liquid can flow along a side surface of the battery cell.

APPARATUS AND METHOD FOR PROCESSING COMMUNICATION WITH BATTERY MODULE

Resumen de: EP4546756A1

The present invention relates to an apparatus and method for processing communication with a battery module (10). The battery module communication processing apparatus (100) includes: a connector (110) connected to a communication port of a battery module (10); and a processor (120) establishing communication of the battery module (10) by determining a communication protocol of the battery module (10 using the number of pins of the connector (110) connected to the communication port and data of the battery module (10) transmitted through the connector (110). The apparatus (100) and method can facilitate recycling of battery modules (10) while reducing costs and difficulty for recycling through improvement in compatibility between various communication protocols utilized by the battery modules (10).

LIQUID COOLING PLATE AND BATTERY PACK

Resumen de: EP4546506A1

A liquid cooling plate and a battery pack are provided. The liquid cooling plate includes a plate body and a separator. The plate body defines a cooling chamber, and the plate body is provided with a liquid inlet and a liquid outlet. The cooling chamber communicates with outside through the liquid inlet and the liquid outlet. The separator is installed to the plate body and separates the cooling chamber into cooling flow-channels, and adjacent cooling flow-channels communicate with each other. The separator is non-uniformly distributed at the plate body. Where the cooling flow-channel has a smaller flowing area, the cooling liquid flows faster, thereby increasing the flowing speed of the cooling liquid. Where the cooling flow-channel has a larger flowing area, the cooling liquid flows slower, thereby prolonging the heat exchange time of the cooling liquid and improving the uniformity of heat dissipation of the liquid cooling plate.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4546505A1

A battery and an electrical apparatus are provided in the present application. The battery comprises a plurality of battery cells and a heat exchange member. Each battery cell comprises a housing and a pressure relief mechanism, the housing has a first wall and a second wall opposite to each other in a first direction, the pressure relief mechanism is disposed in the first wall, and the plurality of battery cells are arranged at least in a second direction. The heat exchange member is disposed at the side of the plurality of battery cells close to the second walls, the heat exchange member has a heat exchange zone, the heat exchange zone extends in the second direction and a third direction, and the first direction, the second direction and the third direction intersect one another. The heat exchange zone is used for heat exchange with the battery cells, and the second walls of the plurality of battery cells cover the heat exchange zone. The battery provided in the embodiments of the present application is conducive to reducing the possibility of producing condensate water on a surface of the heat exchange member, thereby reducing the risk of short circuits in the battery caused by dripping of the condensate water produced on the heat exchange member onto members such as electrode terminals of the battery cells, and improving the safety performance of the battery.

POLYMER, ELECTRODE SHEET, AND BATTERY CELL, BATTERY AND ELECTRIC DEVICE RELATED THERETO

Resumen de: EP4545574A1

Provided in the present application are a polymer, an electrode sheet, and a battery cell, a battery and an electric device related thereto. The polymer comprises a fluoropolymer, wherein the degree of crystallinity of the fluoropolymer, which is measured by means of a differential scanning calorimetry, is XC%, where 0 < XC ≤ 30; and the melting temperature of the fluoropolymer is Tm, the unit thereof being °C, where 0 < Tm ≤ 140. The polymer of the present application has a relatively low degree of crystallinity and a relatively low melting temperature, such that the molecular chain arrangement tends to be loose, an acting force among molecular chains is relatively small, the chain segment flexibility of the polymer can be exerted, and the molecular chains, which are adjacent, are easy to unlink. When the polymer is applied to a battery cell, the cycling performance and storage performance of the battery cell can be improved.

SECONDARY BATTERY

Resumen de: EP4546546A1

A secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate, a case for accommodating the electrode assembly, and having one open side, a cap plate coupled to the case at the one open side, a first terminal and a second terminal electrically connected to the electrode assembly, and coupled to the cap plate, and a lower insulator at a lower portion of the electrode assembly, located between the electrode assembly and another side of the case that faces the cap plate in a longitudinal direction, and including an inclined part corresponding to a direction of the electrode assembly on at least one edge of an upper end of the lower insulator.

COOLING MEMBER AND BATTERY PACK COMPRISING SAME

Resumen de: EP4546511A1

A cooling member according to one embodiment of the present disclosure is a cooling member mounted on a battery cell stack in which a plurality of battery cells are stacked, the cooling member comprising: an upper plate, a lower plate, and a coolant embedded in an inner space between the upper plate and the lower plate; and at least one of an upper structure supporting the upper plate and a lower structure supporting the lower plate, wherein the upper plate and the lower plate are composed of a material that can be melted or broken when a thermal event occurs in the battery cell, and wherein the upper structure and the lower structure are composed of materials that maintain rigidity when a thermal event occurs in the battery cell.

NON-AQUEOUS ELECTROLYTE ELECTRIC POWER STORAGE ELEMENT AND ELECTRIC POWER STORAGE DEVICE

Resumen de: EP4546451A1

A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes: a positive electrode including a carbon-coated positive active material; a negative electrode including a negative active material; and a nonaqueous electrolyte, wherein the carbon-coated positive active material includes a positive active material containing a lithium transition metal compound having a polyanion structure, and a coating layer containing a carbon element and coating at least a part of the positive active material, wherein a ratio of a BET specific surface area of the positive active material to a BET specific surface area of the carbon-coated positive active material is 0.40 or more and 0.80 or less, and wherein the negative active material contains a carbon material.

APPARATUS FOR CONTAINING THERMAL EVENTS OF ENERGY STORAGE DEVICES

Resumen de: EP4546507A1

An apparatus for containing thermal events of at least one energy storage device is disclosed. The apparatus may comprise a containment enclosure including a venting chamber having a pathway. The pathway may include an inlet portion and an outlet portion and the pathway may be configured to enable emissions discharged from the at least one energy storage device to be directed from the inlet portion to the outlet portion. The outlet portion of the pathway may include an outlet aperture. A filter may be configured to filter the emissions passing through the outlet aperture of the pathway and a valve may be configured to open at a predetermined threshold pressure level to release at least a portion of the emissions into the atmosphere.

SILICON-CARBON COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE, AND BATTERY

Resumen de: EP4546450A1

A silicon-carbon composite material and a preparation method therefor, a negative electrode and a battery specifically relate to the field of battery technologies. The silicon-carbon composite material is composed of silicon-carbon composite material particles, wherein the silicon-carbon composite material particles include a C/C composite porous material and silicon nanoparticles located in pore channels and on a surface of the C/C composite porous material; the C/C composite porous material includes a first carbon material and a second carbon material; the first carbon material is a porous carbon matrix, and the second carbon material is distributed throughout an interior of the C/C composite porous material and further throughout the silicon-carbon composite material. For the silicon-carbon composite material provided, by introducing the second carbon material to prepare the C/C composite porous material, a strong and tough electroconductive network is formed between the C/C composite porous material and the silicon nanoparticles, thereby avoiding silicon from losing contact with the carbon matrix material when changing in volume, and further improving electronic and ionic conductivities of the silicon-carbon composite material, and prolonging service lifetime of the material.

METHOD AND SYSTEM FOR CALCULATING BATTERY STATE OF CHARGE

Resumen de: EP4545989A1

A method of calculating a state of charge of a battery, includes: calculating, by at least one processor, a state of charge (SOC) of a battery; obtaining, by the at least one processor, a temperature of the battery; calculating, by the at least one processor, based on the obtained temperature, a plurality of temperatures associated with a plurality of SOCs of the battery that are gradually downgraded from the calculated SOC of the battery by a grade; determining, by the at least one processor, based on the calculated plurality of temperatures, a specific SOC associated with a discharge end point of the battery; and determining, by the at least one processor, based on the determined specific SOC, a change trend of the SOC of the battery.

LITHIUM SECONDARY BATTERY

Resumen de: EP4546448A1

The present application relates to a lithium secondary battery.

ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Resumen de: EP4546483A2

This disclosure provides an electrolytic solution, an electrochemical device including the electrolytic solution, and an electronic device including the electrochemical device. The electrolytic solution includes a first additive, and the first additive includes propylene carbonate, a compound represented by Formula I, and a compound represented by Formula II. The electrolytic solution is applicable in the electrochemical device to effectively improve intermittent cycle performance of the electrochemical device and effectively suppress a voltage drop of the electrochemical device after high-temperature storage.

REMOVABLE BATTERY ASSEMBLY, AND MATERIALS HANDLING VEHICLE INCORPORATING THE SAME

Resumen de: EP4545474A2

A removable battery assembly (200) comprising a battery body (210) and a battery locking mechanism (220), the battery locking mechanism (220) comprises a spring-loaded battery handle (230) and a spring-loaded locking pin (240A), the spring-loaded battery handle (230) comprises a planar handle cam surface and the spring-loaded locking pin (240A) comprises a planar pin cam surface (250A) that is parallel to the handle cam surface, the spring-loaded battery handle (230) and the spring-loaded locking pin (240A) are configured such that the handle cam surface engages the pin cam surface (250A) with movement of the battery handle (230), relative to the battery body (210), the spring-loaded battery handle (230) is spring-biased in a locked position and is movable relative to the battery body (210) from the locked position to an unlocked position in a handle lifting direction (255), and the spring-loaded locking pin (240A) is spring-biased in an extended position and is movable relative to the battery body (210) from the extended position to a retracted position in response to movement of the battery handle (230), relative to the battery body (210), in the handle lifting direction (255) with the handle cam surface engaged with the pin cam surface (250A). Also a materials handling vehicle comprising a battery receiving space (130), and the removable battery assembly (200).

POUCH CASE AND SECONDARY BATTERY USING THE SAME

Resumen de: EP4546552A2

Provided are a pouch case and a secondary battery using the same. The pouch case includes a first receiving part and a second receiving part which are concavely formed; a sealing part formed along an outer portion of the pouch case so as to surround the first receiving part and the second receiving part; and a partitioning part formed between the first receiving part and the second receiving part and protruding from a bottom surface of each receiving part to partition the first receiving part and the second receiving part. As one side surface of the secondary battery in which an electrode assembly is received and packaged in the pouch case is formed in a plane form, a flat side surface is in close contact with a cooling plate, thereby maximizing cooling efficiency of the secondary battery.

BATTERY MODULE

Resumen de: EP4546535A2

The present invention relates to a battery module . The battery module according to the present invention includes a housing having an internal accommodation space; and a plurality of battery cells disposed in the internal accommodation space, in which the housing includes a weld joint in which a first base material of a first aluminum-based alloy and a second base material of a second aluminum-based alloy are welded, and at least a partial region of a bead surface of the weld joint is located inward with respect to a reference plane, with an imaginary plane, which connects an outer surface of the first base material and an outer surface of the second base material in contact with the weld joint, as the reference plane.

BATTERY DIAGNOSIS DEVICE, BATTERY DIAGNOSIS METHOD, BATTERY PACK AND VEHICLE

Resumen de: EP4545991A1

Disclosed is a battery diagnosis apparatus, which includes a voltage sensing circuit configured to generate a voltage signal indicating a cell voltage of a battery cell; a storage medium configured to store time series data for the cell voltage; and a control circuit operably coupled with the voltage sensing circuit and the storage medium. The control circuit is configured to (i) receive the voltage signal and record the time series data for the cell voltage in the storage medium, (ii) determine a first cell voltage slope in a first time section and a second cell voltage slope in a second time section different from the first time section based on the time series data, (iii) determine an average slope of the cell voltage in a third time section between the first time section and the second time section based on the time series data, and (iv) set the first cell voltage slope and the second cell voltage slope as boundary conditions of a normal slope range, and diagnose a voltage abnormality in response to the average slope of the cell voltage being outside the normal slope range.

DEVICE AND METHOD FOR MANAGING BATTERY

Resumen de: EP4545995A1

Technology that may efficiently diagnose a battery and thereby improve the performance or safety of the battery is provided. The apparatus for managing a battery includes a measurement module configured to measure state information of a battery; and a control module configured to determine a diagnosis step of the battery by comparing the state information measured by the measurement module with a diagnosis criterion of a multistage form and to perform a processing operation corresponding to the determined diagnosis step.

METHOD FOR MANUFACTURING ELECTRODE LAMINATE

Resumen de: EP4546495A1

A method for manufacturing an electrode laminate, according to the present invention, comprises the steps of: preparing an electrode; applying an electrolyte solution onto the electrode; arranging an oxygen blocking member on the applied electrolyte solution; and curing the electrolyte solution impregnated into the electrode and the electrolyte solution applied onto the surface of the electrode

LITHIUM SECONDARY BATTERY

Resumen de: EP4546491A1

The present application relates to a lithium secondary battery.

LITHIUM SECONDARY BATTERY

Resumen de: EP4546446A1

The present application relates to a lithium secondary battery.

PUNCHING OIL COATER AND NOTCHING APPARATUS INCLUDING THE SAME

Resumen de: EP4545190A1

A punching oil coater (500), comprising:a coating device (100) configured to:correspond to feed rollers (FR) that contact an electrode plate (EP) and move the electrode plate (EP) and are at different positions from each other, androtate to contact and coat a pair of uncoated portions of mutually symmetrical surfaces of the electrode plate (EP) with punching oil as the feed rollers (FR) press the pair of uncoated portions against the coating device (100) and move the electrode plate (EP);a sprayer (200) configured to spray the punching oil onto the coating device (100);a punching oil supply device (300) configured to uniformly control a flow amount and flow rate of the punching oil supplied to the sprayer (200); anda coating controller (400) configured to control a punching oil coating operation for the electrode plate (EP).

ANODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING ANODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE

Resumen de: EP4546447A1

The present application relates to a negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode.

LITHIUM SECONDARY BATTERY COMPRISING ELECTROLYTE

Resumen de: EP4546492A1

The present application relates to a lithium secondary battery including an electrolyte.

WOUND-TYPE CELL

Resumen de: EP4546550A2

The present invention provides a wound-type cell which comprises: a first electrode plate having a first current collector and a first active material layer coated on a surface of the first current collector; a second electrode plate having a second current collector and a second active material layer coated on a surface of the second current collector, and a second winding start end of the second electrode plate is positioned at an inner side of a first winding start end of the first electrode plate in a thickness direction; a separator; a first electrode tab; and a second electrode tab. A third winding start end of the separator is positioned at an outer side of the second winding start end of the second electrode plate in a length direction, extends along a direction away from a second end of the second winding start end and is not folded back.

Battery cell with electrode, electrically and thermally conductive collector, with internal and external heat exchanger

Resumen de: GB2635076A

Battery cell, with rolled electrodes, with at least one border of bent poles to form a base at at least one end, wherein it is continued with a wool cushion bridge, electrothermal conductor collector at the battery cell terminal, encapsulated assembly, sealed in a composite box with a flexible, elastic, electrically insulating body, which is also an expansion vessel in the event of the formation of an internal gas due to the electrochemical reaction between the anode and the cathode, housing and storing the flammable gas inside, sealed with the outside, and the pressure is measured in real time by an internal pressure sensor that transmits the data in real time to the BMS and/or to the battery cell controller. The battery cells are provided with heat exchanger device and are assembled into modules and racks, with air or air-liquid hybrid passive or forced cooling system.

BATTERY MANAGEMENT SYSTEM AND MANAGEMENT METHOD

Resumen de: EP4546735A2

The present invention relates to a battery system comprising a battery pack (1) including a plurality of battery modules, each battery module including one or more battery cells; a switching unit (14) configured to control a current flow for a battery charging or discharging; a lower-level battery management system (102) for each battery module; an upper-level battery management system (100) for the battery pack; a wireless communication unit configured to perform communications between the lower-level and upper-level battery management systems through wireless communication channels; and a channel change unit configured to handle wireless communication channels between the lower-level and the upper-level battery management systems.

NEGATIVE ELECTRODE ACTIVE MATERIAL PARTICLES, NEGATIVE ELECTRODE COMPRISING NEGATIVE ELECTRODE ACTIVE MATERIAL PARTICLES, AND SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE

Resumen de: EP4546457A1

The present invention relates to negative electrode active material particles, a negative electrode comprising the negative electrode active material particles, and a secondary battery including the negative electrode. Specifically, the negative electrode active material particles are characterized by including a core and a coating layer disposed on the core, the core including silicon-based particles, and the coating layer containing a polymer that includes an aromatic cyclic monomer unit having an alkyl group and including a hetero atom, and thus side reactions such as hydrogen gas generation can be prevented during aqueous mixing of a slurry without an increase in resistance.

SECONDARY BATTERY POUCH FORMING DEVICE AND SECONDARY BATTERY POUCH MANUFACTURED THEREBY

Resumen de: EP4545272A1

The present invention relates to an apparatus for molding a secondary battery pouch and a secondary battery pouch manufactured therethrough, and more particularly, to an apparatus for molding a secondary battery pouch, which allows a pouch bridge part to be unfolded well when the pouch is folded so as to prevent cell damage, improve cell positioning precision, and prevent wrinkles on a cell sealing part, thereby producing a secondary battery having excellent quality, and a secondary battery pouch manufactured therethrough.

METHOD FOR EVALUATING ALL-SOLID-STATE LITHIUM ION BATTERIES

Resumen de: EP4546494A1

A method for evaluating an all-solid-state lithium-ion battery including a solid electrolyte layer including an oxide-based solid electrolyte, a positive electrode layer including a positive electrode active material, and a negative electrode layer,which evaluates the battery characteristics of the all-solid-state lithium-ion battery by comparing an X-ray diffraction pattern of a compact obtained by mixing and pressing the oxide-based solid electrolyte and the positive electrode active material with an X-ray diffraction pattern of a fired body obtained by firing the compact.

ALL-SOLID LITHIUM-ION BATTERY

Resumen de: EP4546486A1

An all-solid lithium-ion battery comprising:a solid electrolyte layer containing an oxide-based solid electrolyte represented by a composition formula 1: LiαAxMyO4 (wherein A is Ge, Si or Ti, M is V, P or As, 3.25≦α≦3.75, 0.30≦x≦0.75, and 0.25≦y≦0.70);a positive electrode layer containing a positive electrode active material represented by the composition formula 2: LiaNibCocMndO2 (wherein in the composition formula 2, 1.00≦a≦1.08, 0.60≦b≦0.90, and b+c+d=1.0);anda negative electrode layer.

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Resumen de: EP4546533A1

The present disclosure relates to a battery module and a battery pack including the same, and a battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells is stacked, a module frame configured to accommodate the battery cell stack, an endplate configured to cover the battery cell stack exposed by the module frame, and module coupling portions that are protruding portions provided on a lateral surface of the module frame and a lateral surface of the endplate, in which the module coupling portions include holes penetrated by coupling members.

UNWINDING DEVICE FOR SECONDARY BATTERY MANUFACTURING AND SECONDARY BATTERY MANUFACTURING SYSTEM INCLUDING SAME

Resumen de: EP4546477A1

An unwinding device for manufacturing a secondary battery according to the present disclosure may include an unwinder unwinding a coating substrate wound in a roll shape by rotating it around a rotation shaft; a transfer unit including a first transfer roll disposed closest to the unwinder; and a correction unit provided on the rotation shaft and correcting the position of the rotation shaft with respect to the first transfer roll.

POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4546443A1

The present invention relates to a positive electrode for a lithium secondary battery including a positive electrode active material layer including: a first positive electrode active material represented by Formula 1 and having a crystalline size of 150 nm or more; a conductive agent including single-walled carbon nanotubes (SWCNTs); and a binder, and relates to a lithium secondary battery including the positive electrode.

LITHIUM SECONDARY BATTERY HAVING IMPROVED SAFETY

Resumen de: EP4546442A1

The present invention relates to a lithium secondary battery. The lithium secondary battery has the advantage of including an NCM-based anode active material with a high content of nickel (Ni) in the positive electrode, which has an excellent energy density, and the effect of controlling the heat flow rate between the positive electrode active material and the electrolyte composition to a predetermined range, thereby improving the safety problem caused by the positive electrode active material at high temperatures.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Resumen de: EP4545488A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, which can be synthesized at a lower temperature than that in a conventional synthesis process, and compensate for phase development and lithium ion conductivity, which are insufficient when synthesized at low temperatures, and a lithium secondary battery including the same.

BATTERY PACK

Resumen de: EP4546547A1

A battery pack may include a housing, first and second battery assemblies on the housing and each including a plurality of pouch type battery cells, and a bus bar assembly on the first and second battery assemblies. In addition, the bus bar assembly may include a bus bar frame configured to cover the first and second battery assemblies, and a plurality of inter-bus bars on the bus bar frame.

CADMIUM REMOVAL IN LITHIUM-ION BATTERY RECYCLING

Resumen de: EP4545662A1

A battery recycling method removes impurities to ensure production of battery-grade materials. The method includes removing cadmium (Cd) from a pregnant leach solution before recovering valuable battery metals such as nickel (Ni), manganese (Mn), cobalt (Co), and lithium (Li). The removal of the Cd may be performed by precipitating an insoluble organo-complex by adding an organic compound material to the pregnant leach solution. The organic compound material may include one or more of organosulfur, organothiophosphate, benzothiazole compounds or derivatives, such as dithiophosphinate, dithiophosphate, and mercaptobenzothiazole, respectively.

Sensorgehäuse, Wasserfühler und HV-Batterie

Resumen de: DE102023004333A1

Die Erfindung betrifft ein Sensorgehäuse (7) für einen Wasserfühler (4) in einem Batteriegehäuse (3) einer HV-Batterie (1), mit einem Gehäuseboden (8), einem Gehäusedeckel (10) und wenigstens einer diese verbindenden Seitenwand (11), dessen Innenraum (12) über wenigstens eine Öffnung (9) mit dem Inneren des Batteriegehäuses (3) verbunden und auf oder in einem Bereich eines Bodens (5) des Batteriegehäuses (3) angeordnet ist. Das erfindungsgemäße Sensorgehäuse ist dadurch gekennzeichnet, dass der Gehäuseboden (8) in Richtung des Bodens (5) des Batteriegehäuses (3) eben und auf seiner dem Gehäusedeckel (10) zugewandten Seite konvex gewölbt ausgebildet ist, wobei der Gehäuseboden (8) in Richtung der wenigstens einen Öffnung (9) stetig ausläuft, wobei der Gehäusedeckel (10) in Richtung des Gehäusebodens (8) konkav gewölbt ausgebildet ist, und wobei der Gehäuseboden (8) im Bereich der wenigstens einen Öffnung (9) senkrecht zum Boden (5) des Batteriegehäuses (3) eine geringere Ausdehnung als der Gehäusedeckel (10) aufweist.

BATTERIEELEKTRODE

Resumen de: DE102023136402A1

Eine elektrochemische Zelle, die eine Elektrode, die ein elektroaktives Material zur Schwefelumwandlung und einen Festkörperelektrolyten umfasst, der ein Oxysulfid umfasst; einen flüssigen Elektrolyten; einen Separator; und eine negative Elektrode umfasst.

Anordnung

Resumen de: DE102024131007A1

Eine Anordnung gemäß einer Ausführungsform umfasst: eine Vorrichtungseinheit mit einer Vorrichtung, die eine erste Installationsoberfläche aufweist, und einer Vorrichtungssammelschiene, die einen ersten Erstreckungsabschnitt, der sich in Kontakt mit der ersten Installationsoberfläche erstreckt, und einen ersten Verbindungsabschnitt, der sich kontinuierlich von dem ersten Erstreckungsabschnitt erstreckt, aufweist; und eine Batterieeinheit mit einem Batteriepack, das eine zweite Installationsoberfläche aufweist, die der ersten Installationsoberfläche zugewandt ist, und einer Batteriesammelschiene, die einen zweiten Erstreckungsabschnitt, der sich in Kontakt mit der zweiten Installationsoberfläche erstreckt, und einen zweiten Verbindungsabschnitt, der sich kontinuierlich von dem zweiten Erstreckungsabschnitt erstreckt und mit dem ersten Verbindungsabschnitt verbindbar ist, aufweist, bei welcher ein Spalt ausgebildet ist, zumindest einer von zwischen der ersten Installationsoberfläche und dem ersten Verbindungsabschnitt und zwischen der zweiten Installationsoberfläche und dem zweiten Verbindungsabschnitt.

Fahrzeug und Verfahren zu dessen Betrieb

Resumen de: DE102025109267A1

Die Erfindung betrifft ein Verfahren zum Betrieb eines Fahrzeugs (1), welches einen Temperierkreislauf (3) aufweist.Erfindungsgemäß ist der Temperierkreislauf (3) zum Temperieren einer Antriebsbatterie (2) des Fahrzeugs (1) ausgebildet und eingerichtet, wobei im Temperierkreislauf (3) mindestens abschnittsweise mindestens ein Gitter (8) aus einem elektrisch leitfähigen Material angeordnet ist, wobei mittels einer Detektionseinrichtung eine Potentialdetektion eines elektrischen Potentials des mindestens einen Gitters (8) gegenüber einem elektrischen Massepotential (M) durchgeführt wird.Des Weiteren betrifft die Erfindung ein Fahrzeug (1).

Verfahren zur Herstellung von Sulfidseparatoren für Festkörperbatterien sowie Sulfidseparator

Resumen de: DE102023004328A1

Die Erfindung betrifft ein Verfahren (1) zur Herstellung von Sulfidseparatoren für Festkörperbatterien.Die Erfindung ist dadurch gekennzeichnet, dass ein Sulfid-Elektrolyt (2) mit einem Bindemittel (3) vermischt wird, wobei die Mischung einer Scherbelastung und/oder einer Temperaturbelastung ausgesetzt wird, wobei die Mischung aggregiert und eine formbare, zusammenhängende Masse gebildet wird.Die Erfindung betrifft weiterhin einen Sulfidseparator, hergestellt mit einem erfindungsgemäßen Verfahren (1).

BATTERIEMODUL

Resumen de: DE102024123404A1

Ein Batteriemodul (10) weist eine Batteriezelle (100) mit einer Mehrzahl an Batteriezellen (110), ein an einem Ende der Batteriezelle (100) angeordnetes Kühlelement (200) und eine Mehrzahl an Wärmeübertragungselementen (300) auf, wobei jedes der Wärmeübertragungselemente (300) dazu eingerichtet ist, Wärme von jeder der Batteriezellen (100) an das Kühlelement (200) abzugeben. Die Wärmeübertragungselemente (300) weisen eine Mehrzahl an ersten Wärmeübertragungsteilen (310), wobei jeder der ersten Wärmeübertragungsteile (310) entlang einer zugehörigen Seitenfläche der jeweiligen Batteriezellen (100) angeordnet ist, und eine Mehrzahl an zweiten Wärmeübertragungsteilen (320) auf, wobei jeder der zweiten Wärmeübertragungsteile (320) dazu eingerichtet ist, ein zugehöriges Ende der jeweiligen Batteriezellen (100) zumindest teilweise zu umgeben, wobei jedes der einen Enden zu dem Kühlelement (200) benachbart ist.

BATTERIE UND VERFAHREN ZUR HERSTELLUNG EINER BATTERIE

Resumen de: DE102024127931A1

Ein Hauptziel der vorliegenden Erfindung ist es, eine Batterie bereitzustellen, bei der die Verschlechterung der Entladungseigenschaften durch einen Anodenstromkollektor (Al-Stromkollektor) verhindert wird. Die vorliegende Erfindung erreicht dieses Ziel, indem sie eine Batterie bereitstellt, die eine Kathode, eine Anode und eine zwischen der Kathode und der Anode angeordnete Elektrolytschicht umfasst, wobei die Anode einen Anodenstromkollektor umfasst, der ein Al-Stromkollektor ist, und eine Schicht aus einem aktiven Anodenmaterial umfasst, die ein aktives Anodenmaterial enthält, dessen Reaktionspotenzial niedriger ist als das von Al; und der Anodenstromkollektor mit einer Harzbeschichtungsschicht beschichtet ist, die ein Harz und ein leitfähiges Material enthält, und außerdem eine Zwischenschicht, die das Harz und das aktive Anodenmaterial enthält, zwischen der Harzbeschichtungsschicht und der Schicht aus aktivem Anodenmaterial angeordnet ist.

MEHRSCHICHTIGE WÄRMEBARRIERE FÜR EINEN BATTERIEPACK

Resumen de: DE102024131101A1

Eine mehrschichtige Wärmebarriere eines Traktionsbatteriepacks beinhaltet eine innere Einbettungsstruktur, die durch eine erste und eine zweite Keramikschicht bereitgestellt ist, die eine Kernschicht einbetten, und eine erste und eine zweite Schaumstoffschicht, welche die innere Einbettungsstruktur einbetten. Die Kernschicht könnte Glas oder Glimmer sein. Glimmerschichten können zwischen der inneren Einbettungsstruktur und den Schaumstoffschichten positioniert sein.

Zellmodul und Verfahren zum Herstellen eines Zellmoduls, Batteriemodul und Verwendung eines Batteriemoduls

Resumen de: DE102023004335A1

Die Erfindung betrifft ein Zellmodul (100) für eine Hochvoltbatterie eines elektrisch betreibbaren Fahrzeugs, mit einer Vielzahl von seriell und/oder parallel verschalteten Batteriezellen (12) und einer mit den Batteriezellen (12) thermisch und mechanisch verbundenen Verdampfereinrichtung (40), wobei die Batteriezellen (12) in einer Längsrichtung (14) und in einer Hochrichtung (16)zu einem Zellstapel (10) gestapelt sind. Zwischenräume zwischen den Batteriezellen (12) sind mit einer mechanisch stabilisierenden und thermisch isolierenden Vergussmasse (18) ausgefüllt. Die Verdampfereinrichtung (40) weist einen Abschnitt (44) auf, welcher bei bestimmungsgemäßer Montage des Zellmoduls (100) in der Hochvoltbatterie thermisch und mechanisch mit einer Kühlfläche der Hochvoltbatterie verbunden ist.Die Erfindung betrifft ferner ein Batteriemodul (200) mit einer Anzahl von Zellmodulen (100) sowie ein Verfahren zum Herstellen eines Zellmoduls (100) und eine Verwendung eines Batteriemoduls (200).

Elektrisch betreibbares Fahrzeug mit einer Hochvoltbatterie und Verfahren zum Betreiben einer Hochvoltbatterie

Resumen de: DE102023004270A1

Die Erfindung betrifft ein elektrisch betreibbares Fahrzeug (100) mit einer Hochvoltbatterie (10), welche ein Batteriekühlsystem (20) mit einem Kühlmittel aufweist, wobei das Batteriekühlsystem (20) wenigstens umfasst eine Speichereinrichtung (22) für das Kühlmittel, und ein Leitungssystem (24) mit einer Pumpe (26), wobei die Speichereinrichtung (22) über das Leitungssystem (24) mit der Hochvoltbatterie (10) fluidisch verbunden ist. Dabei ist die Speichereinrichtung (22) in einer Karosseriestruktur (110) des Fahrzeugs (100) angeordnet.Die Erfindung betrifft ferner ein Verfahren zum Betreiben einer Hochvoltbatterie (10) in einem elektrisch betreibbaren Fahrzeug.

Verfahren zum Trennen einer lasergeschweißten Kunststoffverbindung

Resumen de: DE102025000149A1

Die Erfindung betrifft ein Verfahren zum Trennen einer Kunststoffverbindung von zwei umlaufend randseitig mittels der Kunststoffverbindung miteinander verbundenen Bauteilen (2, 3). Erfindungsgemäß ist vorgesehen, dass- an einem von einem weiteren Bauteil (3) zu trennenden Bauteil (2) zumindest ein Zuganker (4) lagefest angeordnet wird,- ein Niederhalter (1.2) kraftschlüssig und spielfrei mit dem Zuganker (4) verbunden wird,- anschließend mittels einer Laserstrahlschweißvorrichtung (1) ein Verbindungsbereich (V) der umlaufenden Kunststoffverbindung der beiden Bauteile (2, 3) erhitzt wird, bis eine Plastifizierung des Verbindungsbereiches (V) einsetzt, und- daraufhin zumindest das Bauteil (2) mittels einer zumindest mittels des Zugankers (4) ausgeführten Linearbewegung senkrecht zu dem umlaufenden Verbindungsbereich (V) von dem weiteren Bauteil (3) wegbewegt wird.

BATTERIESTATUS-ERFASSUNGSVORRICHTUNG

Resumen de: DE102024210435A1

Aufgabe Es wird eine komfortable Batteriestatus-Erfassungsvorrichtung bereitgestellt, die in der Lage ist, eine Benachrichtigung, die auf den Lebensstil eines Benutzers zugeschnitten ist, mit reduziertem Leistungsverbrauch während des Standby auszugeben.Zusammenfassung Eine Batteriestatus-Erfassungsvorrichtung 1 umfasst einen Batteriestatusdetektor 10, eine Kommunikationsvorrichtung 20 und eine Treibersteuerung 31, die ein Treiben des Batteriestatusdetektors 10 und der Kommunikationsvorrichtung 20 steuert. Die Treibersteuerung 31 wird automatisch zu einer vorbestimmten Aktivierungszeitgebung auch ohne eine Aktivierungsanforderung der Treibersteuerung 31 aktiviert, veranlasst den Batteriestatusdetektor 10, einen Status einer Erfassungszielbatterie 91 zu erfassen, veranlasst die Kommunikationsvorrichtung 20, statuserfassungsergebnisbezogene Informationen D12 basierend auf Statuserfassungsergebnisdaten D11 durch den Batteriestatusdetektor 10 zu einer vorbestimmten Benachrichtigungszeitgebung durch Push-Benachrichtigung an ein Kommunikationsendgerät 81 zu übertragen, und stoppt dann das Treiben.

Hochvoltbatterie für ein Kraftfahrzeug

Resumen de: DE102023129501A1

Die Erfindung betrifft eine Hochvoltbatterie für ein Kraftfahrzeug, aufweisend zumindest die folgenden Komponenten:- zumindest ein Batteriemodul;- ein Modulgehäuse, in welchem das zumindest eine Batteriemodul aufgenommen ist; und- zumindest einen Strömungskanal zum Leiten eines Temperierfluids zum Temperieren des zumindest einen in dem Modulgehäuse aufgenommenen Batteriemoduls. Die Hochvoltbatterie ist vor allem dadurch gekennzeichnet, dass zumindest eines der Batteriemodule mittels einer stoffschlüssigen Verbindung unmittelbar an dem Modulgehäuse fixiert ist.Mit der hier vorgeschlagenen Hochvoltbatterie ist eine Einsparung der Masse und/oder ein Zugewinn an Stabilität der Hochvoltbatterie und/oder eines Fahrzeugrahmens erzielbar.

Batteriemodul und dessen Herstellung sowie Traktionsbatterie und Kraftfahrzeug mit derlei Modulen

Resumen de: DE102023129500A1

Batteriemodul mit einem Profilgehäuse (10) und einer Anordnung aus Zellen (12),gekennzeichnet durch folgende Merkmale:- das Batteriemodul umfasst eine erste Platte (11) zum Halten der Zellen (12) innerhalb der Anordnung,- das Batteriemodul umfasst eine zweite Platte (13) zum Fixieren der Anordnung innerhalb des Profilgehäuses (10),- die zweite Platte (13) trägt eine Dichtung (14), die innenseitig am Profilgehäuse (10) anliegt,- die Platten (11, 13) sind derart geformt, dass sie stellenweise miteinander in Formschluss (15) stehen, während zwischen der zweiten Platte (13) und den Zellen (12) Kühlkanäle (16) verlaufen, und- zwischen dem Profilgehäuse (10) und der zweiten Platte (13) klafft ein von deren Dichtung (14) umlaufener Spalt (17), der einen verfestigten Prozesswerkstoff (18) enthält.

Verfahren zur Ermittlung des lnnendrucks in einer Lithium-lonen-Batterie

Resumen de: DE102023004321A1

Die Erfindung betrifft ein Verfahren zur Ermittlung des Innendrucks in einer Lithium-Ionen-Batterie (3) aus einem oder mehreren Batteriemodulen (4) mit jeweils mehreren miteinander verspannten Batterieeinzelzellen, welche in einem Fahrzeug als Traktionsbatterie für ein zumindest teilweise elektrischen Antrieb eingesetzt wird. Das erfindungsgemäße Verfahren ist dadurch gekennzeichnet, dass im Fahrbetrieb über eine Steuergerätesoftware des Fahrzeugs ein aktueller Gesundheitszustand (SOHc) der Batterie (3) abgeschätzt wird, wonach anhand einer hinterlegten Kennlinie oder einer hinterlegten Kennfeldes des spezifischen druckabhängigen Gesundheitszustandes des jeweils eingesetzten Typs des überwachten Batteriemoduls (4) und der darin verbauten Batterieeinzelzellen dessen/deren Innendruck ermittelt wird.

Vorrichtung und Verfahren zur Kühlung einer HV-Batterie, Fahrzeug mit einer HV-Batterie

Resumen de: DE102023004325A1

Die Erfindung betrifft eine Vorrichtung zur Kühlung einer HV-Batterie (2) mittels eines Kühlfluids, welches eine Wärmeaustauschanordnung (3) durchströmt. Die erfindungsgemäße Vorrichtung ist dadurch gekennzeichnet, dass die Wärmeaustauschanordnung (3) wenigstens einen ersten als Bodenkühler (4) ausgebildeten Wärmetauscher und wenigstens einen zweiten als Zwischenzellkühler (12) ausgebildeten Wärmetauscher umfasst sowie wenigstens eine Ventileinrichtung (11) zur bedarfsgerechten Aufteilung des Kühlfluids zwischen den Wärmetauschern.

ELEKTROLYTMEMBRANEN FÜR BATTERIEN, DIE LITHIUM-IONEN ZYKLISIEREN, UND VERFAHREN ZU DEREN HERSTELLUNG

Resumen de: DE102023136016A1

Eine Elektrolytmembran für eine Batterie, die Lithium-Ionen zyklisiert, enthält einen sulfidbasierten Festkörperelektrolyten, ein Polymerbindemittel, einen anorganischen Füllstoff, ein anorganisches Lithiumsalz und eine ionische Flüssigkeit. Der sulfidbasierte Festkörperelektrolyt enthält Lithiumsulfid (Li2S) und mindestens ein Element aus der Gruppe bestehend aus Phosphor (P), Zinn (Sn), Silizium (Si), Germanium (Ge), Bor (B), Gallium (Ga) und Aluminium (Al). Die ionische Flüssigkeit enthält im Wesentlichen äquimolare Mengen eines Kations und eines Anions. Das Kation umfasst einen Komplex aus Lithium (Li+) und einem Ethylenglykoldimethylether, ein Imidazolium-Ion, ein Piperidinium-Ion, ein Pyrrolidinium-Ion, ein Ammonium-Ion, ein Phosphonium-Ion oder eine Kombination davon. Das Anion umfasst ein Arsenat-Ion, ein Phosphat-Ion, ein Sulfonylimid-Ion, ein Borat-Ion, ein Chlorat-Ion oder eine Kombination davon.

ELEKTRISCH ANTREIBBARES KRAFTFAHRZEUG

Resumen de: DE102023129433A1

Bei einem elektrisch antreibbaren Kraftfahrzeug (10), umfassend eine Kühlvorrichtung (40) ist zum Zwecke eines verbesserten Ladevorgangs vorgesehen, dass das Kraftfahrzeug (10) eine bewegliche Abdeckung (30) umfasst, wobei in einer Offenstellung (O) der Abdeckung (30) ein Luftauslass (50) für einen Abluftstrom (A) der Kühlvorrichtung (40) gebildet ist.

Verfahren zum Betrieb einer Brennstoffzellenvorrichtung, Regelvorrichtung und Brennstoffzellenvorrichtung

Resumen de: DE102023210740A1

Die Erfindung geht aus von einem Verfahren (10a; 10b) zum Betrieb einer Brennstoffzellenvorrichtung (12), wobei in zumindest einem Verfahrensschritt elektrische Leistung von zumindest einer Brennstoffzelleneinheit (14, 16, 18) der Brennstoffzellenvorrichtung (12) bereitgestellt wird und wobei in zumindest einem Verfahrensschritt eine Abweichung der bereitgestellten elektrischen Leistung von einer von der Brennstoffzellenvorrichtung (12) ausgegebenen elektrischen Leistung mittels einer elektrischen Energiespeichereinheit (20) der Brennstoffzellenvorrichtung (12) ausgeglichen wird.Es wird vorgeschlagen, dass in zumindest einem Verfahrensschritt die bereitgestellte elektrische Leistung in Abhängigkeit von einem Ladezustand der elektrischen Energiespeichereinheit (20) eingestellt wird.

Laststrukturelement zum mechanischen Verbinden von Batteriezellen

Resumen de: DE102023004326A1

Die Erfindung betrifft eine Batterie für ein batterieelektrisches Fahrzeug, aufweisend eine Vielzahl von Batteriezellen (1) und ein Laststrukturelement (3), wobei die jeweiligen Batteriezellen (1) in einem Zellverbund mit einem Zellverbundgehäuse zusammengefasst sind und wobei die Batteriezellen (1) oder das Zellverbundgehäuse jeweils konkave Ausbuchtungen (7) und/oder Durchbrüche (9) aufweisen, in die das Laststrukturelement (3) eingelegt bzw. durch die das Laststrukturelement (3) durchgeführt sind, wobei das Laststrukturelement (3) mit jeweiligen Batteriezellen (1) kraftschlüssige, stoffschlüssige, oder formschlüssige Verbindungen ausbildet.

Vorrichtung zur Entfernung von Resten einer Wärmeleitpaste bei einer Befüllung eines Gehäuses eines Batteriemoduls mit einer Wärmeleitpaste

Resumen de: DE102023129728A1

Vorrichtung (2) zur Entfernung von Resten einer Wärmeleitpaste (20) bei einer Befüllung eines Gehäuses (4) eines Batteriemoduls mit einer Wärmeleitpaste (20), umfassend einen Grundkörper (6) mit einer Öffnung (8) zur Anordnung über einer Einlassöffnung (4a) des Gehäuses (4) des Batteriemoduls, eine Lagerung (10) zum kontrollierten Andrücken des Grundkörpers (6) an das Gehäuse (4) des Batteriemoduls sowie eine innerhalb des Grundkörpers (6) angeordnete Absaugdurchführung (12) zur Absaugung von Resten der Wärmeleitpaste (20) von dem Grundkörper (6).

Batterieeinrichtung für ein elektrisch angetriebenes Kraftfahrzeug

Resumen de: DE102023210788A1

Die Erfindung betrifft eine Batterieeinrichtung (2) für eine elektrisch angetriebenes Kraftfahrzeug. Diese umfasst einen Zellstapel (4) mit in einer Stapelrichtung (S) hintereinander angeordneten prismatischen Batteriezellen (6), wobei Zellpole (12) jeder Batteriezelle (6) an einander gegenüberliegenden Längsseiten (16) des Zellstapels (4) angeordnet sind, und eine Verspanneinrichtung (34) für den Zellstapel (4), mit zwei Druckplatten (38), zwischen denen der Zellstapel (4) angeordnet ist, und mit Spannbändern (32) zum Verspannen der Druckplatten (38) gegen den Zellstapel (4), wobei die Spannbänder (32) an den die Zellpole (12) aufweisenden Längsseiten (16) des Zellstapels (4) angeordnet ist. Des Weiteren betrifft die Erfindung ein Kraftfahrzeug mit einer solchen Batterieeinrichtung (2) sowie einen Zusammenbau (18) für eine solche Batterieeinrichtung (2).

Elektrodenaufschlämmung, Elektrodenschicht, Feststoffbatterie und Verfahren zur Herstellung einer Elektrodenaufschlämmung

Resumen de: DE102024128199A1

Ein Hauptziel der vorliegenden Erfindung besteht darin, eine Elektrodenaufschlämmung bereitzustellen, in der die Dispergierbarkeit eines faserförmigen leitfähigen Materials gut ist. Die vorliegende Erfindung erreicht dieses Ziel durch die Bereitstellung einer Elektrodenaufschlämmung, die für eine Feststoffbatterie verwendet wird, wobei die Elektrodenaufschlämmung ein aktives Elektrodenmaterial, das eine Hydroxylgruppe umfasst, ein faserförmiges leitfähiges Material, das eine saure funktionelle Gruppe umfasst, einen Festelektrolyten und ein Dispersionsmedium enthält.

Verfahren zum anodenpotentialgeregelten Schnellladen, Computerprogramm und/oder computerlesbares Medium, Datenverarbeitungsvorrichtung, Kraftfahrzeug

Resumen de: DE102023129734A1

Verfahren zum anodenpotentialgeregelten Schnellladen einer Energiespeichervorrichtung mit einer Mehrzahl von Zellen für ein elektrisch antreibbares Kraftfahrzeug, wobei das Verfahren aufweist: Erfassen eines Gesundheitszustands der Mehrzahl der Zellen; Bestimmen einer Mehrzahl von gesundheitszustandsabhängigen Korrekturgrößen anhand des Gesundheitszustands; und Ausgeben einer von der Mehrzahl der Korrekturgrößen abhängigen Spannungstrajektorie zur Durchführung des Schnellladens.

Elektrischer Energiespeicher für ein Kraftfahrzeug

Resumen de: DE102023130029A1

Die Erfindung betrifft einen elektrischen Energiespeicher (1) für ein Kraftfahrzeug, mit einem Speichergehäuse (2), welches wenigstens einen Aufnahmeraum (7) zumindest teilweise begrenzt, und mit wenigstens einem Speicherelement (8), welches in dem Aufnahmeraum (7) zwischen Wandungen (3, 4) des Speichergehäuses (2) angeordnet ist, wobei das Speicherelement (8) sich schräg zu den Wandungen (3, 4) erstreckt und die Wandungen (3, 4) über das Speicherelement (8) zumindest mittelbar aneinander abgestützt sind.

Positivelektrodenaktivmaterial und Sekundärbatterie

Resumen de: DE102024130744A1

Ein Positivelektrodenaktivmaterial, in dem ein Phasenübergang verhindert wird, und eine Sekundärbatterie, die das Positivelektrodenaktivmaterial enthält, werden bereitgestellt. Es ist ein beispielloses Syntheseverfahren entwickelt worden, bei dem Lithium-Kobalt-Oxid-Teilchen mit einem geschmolzenen Salz von MgF2-LiF als Reaktionsbeschleuniger behandelt werden, um die Diffusion und Dotierung von Magnesium in Lithium-Kobalt-Oxid-Bulk zu erleichtern und um eine stabile Beschichtungsschicht in dem Teilchenoberflächenabschnitt auszubilden. Die Ex-Situ-XRD-Analyse bestätigt, dass dann, wenn das modifizierte LiCoO2auf 4,7 V geladen wird, der schädigende Phasenübergang verhindert wird und eine neuartige Phase auftritt. Das modifizierte LiCoO2zeigt eine hohe elektrochemische Leistung während des Betriebs mit hoher Spannung. Diese Technologie bietet eine Richtlinie zum Unterdrücken einer grundlegenden Verschlechterung infolge des Phasenübergangs und zum Erzielen einer ultrahohen Energiedichte von LiCoO2-Positivelektroden.

Verfahren zur Erfassung und Lokalisierung von defekten Batteriezellen in einer Batteriezellenanordnung, sowie hierfür ausgebildetes Energiespeichersystem

Resumen de: DE102023210664A1

Die Erfindung betrifft ein Verfahren zur Erfassung und Lokalisierung von defekten Batteriezellen (22d) in einer Batteriezellenanordnung (20) eines elektrischen Energiespeichersystems (10), wobei die Batteriezellenanordnung (20) aus einer Vielzahl von elektrisch miteinander verschalteten Batteriezellen (22) gebildet ist, und wobei das Verfahren folgende Schritte umfasst: Zeitaufgelöstes Messen von Temperaturen (T1(t), T2(t), ...) an mehreren verteilt über die Batteriezellenanordnung (20) angeordneten Temperaturmessstellen; Feststellen eines Fehlerereignisses in der Batteriezellenanordnung (20), wenn die Messung der Temperaturen (T1(t), T2(t), ...) ergibt, dass wenigstens eine der gemessenen Temperaturen (T1(t), T2(t), ...) übermäßig ansteigt; Nach einer Feststellung eines Fehlerereignisses, Auswerten der gemessenen Temperaturen (T1(t), T2(t), ...) basierend auf einem thermischen Modell der Batteriezellenanordnung (20) unter Berücksichtigung der Anordnung der Temperaturmessstellen, um wenigstens eine der Batteriezellen (22) als eine defekte Batteriezelle (22d) zu identifizieren.

VERFAHREN ZUR HERSTELLUNG VON BATTERIE, ELEKTRODE, ELEKTRODENKÖRPER UND BATTERIE

Resumen de: DE102024131648A1

Verfahren zur Herstellung einer Batterie, die eine Elektrode, die einen Stromkollektor enthält, und eine auf dem Stromkollektor angeordnete Elektrodenschicht umfasst, wobei das Verfahren Folgendes umfasst: einen ersten Schritt zur Bildung einer Elektrodenschicht auf einem Stromkollektor; und einen zweiten Schritt zur Bildung einer Nut in einer Oberfläche der Elektrodenschicht, wobei die Nut durch Entfernen eines Teils der Elektrodenschicht durch Laserbestrahlung gebildet wird.

BATTERIE MIT GELPOLYMERELEKTROLYT

Resumen de: DE102023136414A1

Eine Batterie, die Lithium-Ionen zyklisiert, umfasst eine negative Elektrode, eine positive Elektrode, die von der negativen Elektrode beabstandet ist, und einen Gelpolymerelektrolyt, der dazwischen angeordnet und dazu ausgestaltet ist, ein Medium für die Leitung von Lithium-Ionen zwischen der negativen Elektrode und der positiven Elektrode bereitzustellen. Die positive Elektrode umfasst ein elektroaktives Hochspannungsmaterial, das so formuliert ist, dass es Lithiumeinlagerungen und -auslagerungen durchläuft. Der Gelpolymerelektrolyt umfasst einen aliphatischen Polyester, ein Lithiumsalz und eine ionische Flüssigkeit. Der aliphatische Polyester umfasst ein substituiertes oder unsubstituiertes Poly(ethylencarbonat) (PEC). Das Lithiumsalz umfasst Lithiumsulfonylimid, Lithiumborat oder eine Kombination davon. Die ionische Flüssigkeit umfasst im Wesentlichen äquimolare Mengen eines Kations und eines Anions, wobei das Kation einen Komplex aus Lithium (Li+) und einem Ethylenglycoldimethylether, ein Imidazol-Ion oder eine Kombination davon umfasst und das Anion ein Sulfinat-Ion, ein Borat-Ion oder eine Kombination davon umfasst.

Traktionsbatteriekunststoffgehäuse, Traktionsbatterie mit einem Traktionsbatteriekunststoffgehäuse und Kraftfahrzeug mit einer Traktionsbatterie

Resumen de: DE102023130049A1

Die vorliegende Erfindung offenbart ein Traktionsbatteriekunststoffgehäuse (1) zur Aufnahme einer Mehrzahl von Batteriekomponenten (40, 50, 60), wobei das Traktionsbatteriekunststoffgehäuse (1) zumindest eine Kunststoffgehäuseschale (10), die einen Aufnahmeraum (12) zur Aufnahme der Mehrzahl von Batteriekomponenten (40, 41, 42, 43) zumindest teilweise beschränkt, und eine elektrisch leitfähige Erdungseinrichtung (20, 21, 22, 23) aufweist, die mit der Mehrzahl der Batteriekomponenten (40, 50, 60) elektrisch verbindbar ist, wobei die Erdungseinrichtung (20, 21, 22, 23) eine elektrisch leitfähige Anschlusseinrichtung (30) aufweist, die mit der Erdungseinrichtung (20, 21, 22, 23) elektrisch verbunden ist, und wobei die Anschlusseinrichtung (30) eine Wand (11) des Traktionsbatteriekunststoffgehäuses (1) vom Aufnahmeraum (12) zu einer Außenseite (13) des Traktionsbatteriekunststoffgehäuses (1) durchragt, so dass die Anschlusseinrichtung (30) über die Außenseite (13) des Traktionsbatteriekunststoffgehäuses (1) elektrisch kontaktierbar ist.Ferner offenbart die vorliegende Erfindung eine Traktionsbatterie (100) mit einem Traktionsbatteriekunststoffgehäuse (100) und ein Kraftfahrzeug mit einer Traktionsbatterie (100).

Batterieanordnung zur reversiblen Anbindung einer Kühlplatte und Verfahren zum Herstellen einer Batterieanordnung

Resumen de: DE102023129351A1

Die Erfindung betrifft eine Batterieanordnung (10) zur reversiblen Anbindung einer Batteriezellenanordnung (12) an eine Kühlplatte (18), wobei die Batterieanordnung (10) die Batteriezellenanordnung (12) umfasst, die eine erste Anordnungsfläche (12a) umfasst, und mehrere Batteriezellen (14) aufweist, die jeweils eine erste Zellseite (14a) aufweisen, die jeweils Teil der ersten Anordnungsfläche (12a) sind, wobei die Batterieanordnung (10) die Kühlplatte (18) aufweist, die eine zweite Anordnungsfläche (18a) umfasst, und wobei die erste Anordnungsfläche (12a) an der zweiten Anordnungsfläche (18a) angeordnet ist. Dabei weist die Batterieanordnung (10) eine metallische Kletteinrichtung (22) auf, über welche zumindest ein erster Bereich der ersten Anordnungsfläche (12a) an einem zweiten Bereich der zweiten Anordnungsfläche (18a) angeordnet ist, wobei die Kletteinrichtung (22) ein metallisches erstes Klettelement (24) aufweist und ein metallisches zweites Klettelement (26) aufweist, das zum ersten Klettelement (24) derart korrespondiert, dass das erste und das zweite Klettelement (24, 26) unter Ausbildung einer Klettverbindung in Eingriff miteinander bringbar sind.

BATTERIE, BATTERIEMODUL UND VERFAHREN ZUM HERSTELLEN EINER BATTERIE

Resumen de: DE102024131649A1

Batterie 10 mit einem Elektrodenkörper 30, der eine Elektrode und einen Separator aufweist, und einem Außenkörper 20A, 20B, der um den Elektrodenkörper 30 herum angeordnet ist, wobei die Batterie durch ein Einschränkungselement eingeschränkt ist, wobei der Elektrodenkörper 30 einen gefügten Abschnitt, an dem die Elektrode und der Separator aneinandergefügt sind, und einen nicht-gefügten Abschnitt aufweist, an dem die Elektrode und der Separator nicht aneinandergefügt sind, und wobei mindestens ein Teil des nicht-gefügten Abschnitts des Elektrodenkörpers 30 mit einem Abschnitt der durch das Einschränkungselement 40 eingeschränkten Batterie übereinstimmt.

Vorrichtung und Verfahren zur energieautarken Durchfluss- und/oder Mengenmessung in fluidführenden Rohrleitungen

Resumen de: DE102023129916A1

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur energieautarken Durchfluss- und/oder Mengenmessung in fluidführenden Rohrleitungen.Es ist Aufgabe der Erfindung die Nachteile des Standes der Technik zu beseitigen und eine kostengünstige, präzise und verlustarme Vorrichtung und ein kostengünstiges, präzises und verlustarmes Verfahren zur energieautarken Durchfluss- und/oder Mengenmessung in fluidführenden Rohrleitungen bereitzustellen.Die Lösung dieser Aufgabe erfolgt durch die in den Ansprüchen aufgeführten Merkmale.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME

Resumen de: EP4545478A1

The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.

SEPARATOR, PREPARATION METHOD THEREFOR AND SECONDARY BATTERY RELATED THERETO, AND ELECTRICAL DEVICE

Resumen de: EP4546541A1

This application provides a separator, a preparation method thereof, and a secondary battery and electric apparatus related thereto. The separator includes a porous substrate and a coating layer disposed on at least one surface of the porous substrate. The coating layer includes a three-dimensional skeleton structure and a first filler. At least part of the first filler is filled in the three-dimensional skeleton structure. An average particle size of the first filler is less than or equal to 200 nm. This application allows the secondary battery to achieve balance among high energy density, high thermal safety performance, long cycle life, and good kinetic performance.

WAREHOUSING SYSTEM

Resumen de: EP4545152A1

The present application relates to a warehousing system, including a shelf (100) and fireproof partition plates (200). The fireproof partition plates (200) are detachably arranged inside the shelf (100) and divide the interior of the shelf (100) into a plurality of zones (102), and there are a plurality of compartments (101) in each zone (102). In the above warehousing system, the fireproof partition plates (200) are detachably arranged inside the shelf (100), and the interior of the shelf 100 is divided into a plurality of zones (102). When a fire occurs in a certain zone (102), the fire can be prevented from spreading rapidly in a short time; and there are a plurality of compartments (101) in each zone (102), thereby improving the situation that a larger shelf space is required for providing fireproof partition plates (200) in each compartment (101), and increasing the space utilization rate of the shelf (100).

BATTERY BOX, BATTERY AND VEHICLE

Resumen de: EP4546531A1

The present application relates to a battery box, a battery and a vehicle, where a cantilever structure is arranged on a box body, so that a structure capable of being connected to the front axle or rear axle is integrated on the box body, thereby enriching an installation function of the battery box. When the battery box is installed in the vehicle, it is no longer an independent unit suspended under the vehicle body. The battery box uses its own cantilever structure to participate in installation of the front axle or rear axle. In this way, there is no need to add additional beam structures in the vehicle to support the front axle or rear axle, which simplifies a center beam structure design of the vehicle and therefore increases the arrangement space for the battery box on the entire vehicle. At the same time, the cantilever structure connected to the front axle or rear axle is integrated into the battery box, thereby making the structural arrangement more compact and being beneficial to reducing the weight of the entire vehicle.

System und Verfahren zum optimierten Steuern einer Batterie

Resumen de: DE102023130120A1

Die vorliegende Erfindung betrifft ein System zum optimierten Steuern einer Batterie sowie ein computer-implementiertes Verfahren zum Steuern des Lade- oder Entladevorgangs einer Batterie.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546556A1

A battery cell, a battery and an electrical device. A battery cell (10) includes a case (20) having an end portion opening (22); an electrode assembly (30) arranged in the case (20); a cover plate (41) arranged on the end portion opening (22); an isolation structure (42) arranged on one side of the cover plate (41) adjacent to the electrode assembly (30); and a supporting member (50) fixedly connected to the isolation structure (42) and configured to support the electrode assembly (30).

VEHICLE POWER DISTRIBUTION INTEGRATED ARCHITECTURE, VEHICLE MANAGEMENT SYSTEM, AND VEHICLE

Resumen de: EP4545339A1

This application discloses a vehicle power distribution integration architecture, a vehicle management system, and a vehicle. The vehicle power distribution integration architecture includes a low-voltage battery, a battery management module, and a low-voltage power distribution module. The low-voltage battery is electrically connected to the low-voltage power distribution module. The low-voltage power distribution module is provided with a low-voltage load access terminal for connecting to a low-voltage load. The battery management module and the low-voltage power distribution module share one controller. The controller is integrated with a function of managing the low-voltage battery and a function of controlling power distribution of the low-voltage load, so that control modules in a battery management solution and a low-voltage power distribution solution are creatively integrated into one controller. This simplifies the control wiring and has the characteristics such as low costs and simple structure.

NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Resumen de: EP4546461A1

The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.

SEPARATOR AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4546544A1

This application provides a separator and a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a substrate and a coating, with the coating being provided on at least one side of the substrate and the coating including organic materials, where a weight per unit area of the coating for a single side is denoted as M, a thickness of the coating for a single side is denoted as H, and a true density of the organic materials is denoted as ρorganic, and the separator satisfies M/(H × ρorganic) ≥ 0.4, where M is in unit of g/m<2>, H is in unit of µm, and ρorganic is in unit of g/cm<3>. The separator features properties such as good heat resistance and ion transport properties, enabling batteries with the separator to improve their thermal safety performance and cycling performance.

AIR COOLING SYSTEM FOR AN ELECTRIC VEHICLE

Resumen de: EP4545334A1

A vehicle (10) includes a first battery housing (60) to house a plurality of first battery modules (61), a second battery housing (70) to house a plurality of second battery modules (71), and an air cooling system to cool the plurality of first battery modules and the plurality of second battery modules. The air cooling system includes a compressor (362), a condenser (531), a first evaporator coil (3551L) that includes a first side at which warm air is received and a second side at which cool air exits after having passed through the first evaporator coil (3551L), and a second evaporator coil (3551R) that includes a first side at which warm air is received and a second side at which cool air exits after having passed through the second evaporator coil (3551R).

SEPARATOR, PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY AND ELECTRIC DEVICE RELATED THERETO

Resumen de: EP4546539A1

This application provides a separator, a preparation method thereof, and a secondary battery and an electric apparatus related thereto. The separator includes a substrate and a coating disposed on at least one surface of the substrate. The coating includes organosilicon particles, where a particle size by volume Dv90 of the organosilicon particles satisfies 0 < Dv90 ≤ 3.0 µm. By using organosilicon particles with the above particle size, this application is conducive to obtaining a separator with a relatively small thickness. Additionally, because the coating has good heat resistance and stability, the separator can effectively isolate positive and negative electrodes of the secondary battery, thereby improving the safety performance of the secondary battery.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4545485A1

This application relates to a cathode active material and a preparation method therefor and an application thereof. A chemical formula of the cathode active material is NaxNiaFebMncMaO2, wherein a+b+c+d=1, 0.7≤x<0.9, 0.01≤a≤0.5, 0.01≤b≤0.4, 0.2≤c<1, 0≤d≤0.2. A doping element M is a metal element, a valence state of which is less than or equal to bivalence. The cathode active material is a layered oxide with a double crystal domain structure. The double crystal domain structure includes a P2 principal phase and an O3 heterogeneous phase. The crystal domain heterogeneity degree of the cathode active material meets: 0<ω≤0.48, ω=1k⋅δ⋅eε∅−T+1. The cathode active material is the layered oxide with the double crystal domain structure, and the cathode active material meeting the crystal domain heterogeneity degree has a higher capacity of separating sodium ions and has a higher specific capacity, the stability of the material is better enhanced.

ELECTRODE CURRENT COLLECTOR, METHOD OF MANUFACTURING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4546441A2

Provided herein are an electrode current collector, a method of manufacturing the same, and a lithium battery including the same. The electrode current collector includes a metal substrate and a metal oxide layer on at least one surface of the metal substrate, wherein the metal substrate includes titanium (Ti), and the metal oxide layer includes crystalline titanium oxide (TiO₂).

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Resumen de: EP4545490A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a single-crystal type positive electrode active material in which the peak of the particle size distribution observed in the volume cumulative particle size distribution graph is shifted toward D_max, which is the maximum particle size, and the sharpness of the peak of the particle size distribution is high, and a lithium secondary battery including the same.

A SYSTEM AND METHOD FOR DETECTING A THERMAL RUNAWAY EVENT IN A BATTERY PACK

Resumen de: EP4546502A1

A sensing system 200 comprising a sensor 211 positioned inside an enclosure 201 of a battery pack 107, a fan 207 positioned in a vicinity of the sensor 211, a plurality of tubes 209 each connected between the fan 207 and the battery pack 107, and a control unit 203 connected to the fan 207 and the sensor 211. The control unit 203 is configured to control the fan 207 to pull, through the plurality of tubes 209, gases and/or particulates generated in the battery pack 107, and control the fan 207 to throw the pulled gases and/or particulates onto the sensor 211. The sensor 211 is configured to detect a change in one or more physical stimuli associated with the battery pack 107 based on the pulled gases and/or particulates. Thereafter, the control unit 203 is configured to detect an occurrence of a thermal runaway event in the battery pack 107 based on the detected change in the one or more physical stimuli.

CONDUCTIVE MEMBER, BUSBAR AND BATTERY MODULE

Resumen de: EP4546524A1

A conductive member includes a first connection body and a second connection body connected to the first connection body. The first connection body is configured to be clamped with an outer peripheral side of one cell of two adjacent battery cells. The second connection body is configured to be in contact with a pole of the other cell of the two adjacent battery cells. The conductive member is clamped with the outer peripheral side of the battery cell through the first connection body. The busbar is configured to clamp the conductive member with the outer peripheral side of the battery cell through the first connection body.

POWER-DISASSEMBLING DEVICE OF SMALL DIMENSIONS, AND POWER-DISASSEMBLING METHOD USING SAME

Resumen de: EP4545194A1

L'invention concerne un dispositif (1) de désassemblage de petits déchets d'équipements électriques et électroniques, comprenant (i) une enceinte cylindrique (2), (ii) un axe rotatif (3) horizontal; (iii) une pluralité de groupes de chaînes (4) sur l'axe rotatif, (iv) un moyen de mise en rotation (5) de l'enceinte ; (v) un moyen de mise en rotation (6) de l'axe rotatif ; (vi) un moyen d'alimentation (7) ; et (vi) un moyen d'évacuation (8) ; l'enceinte étant munie, sur sa surface interne, de moyens de guidage apte à faire avancer les déchets ou sein de l'enceinte.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: EP4546445A1

Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector, a first negative active material layer on a first side of the current collector; and a second negative active material layer on a second side of the current collector, wherein a loading level (A) of the first negative active material layer is larger than a loading level(B) of the second negative active material layer, the first negative active material layer includes a 1a layer contacting the current collector and a 1b layer on one side of the 1a layer, the 1a layer includes a 1a negative active material, the 1b layer includes a 1b negative active material, the 1a negative active material includes natural graphite, or a mixture of natural graphite and artificial graphite, the 1b negative active material includes artificial graphite, and the second negative active material layer is a single layer.

A detachable multi-flavour electronic cigarette

Resumen de: GB2634982A

A detachable multi-flavour electronic cigarette comprises: a mouthpiece 1; an upper oil compartment 2; a battery compartment 3; and a cartridge body 7. The mouthpiece 1 is connected to the upper oil compartment 2, the lower part of the upper oil tank 2 is connected to the battery compartment 3, and the cartridge body 7 is installed inside the upper oil compartment 2. The lower side of the upper oil compartment 2 is equipped with an upper magnetic suction contact, and the upper side of the battery compartment 3 is equipped with a lower magnetic contact, wherein the upper magnetic suction contact and the lower magnetic contact are magnetically attracted to each other. The middle of the bottom side of the upper oil compartment 2 may be provided with a centre positioning groove, and the middle of the top side of the battery compartment 3 may be provided with a centre positioning protrusion, such that the protrusion and the groove are mutually matched. The cartridge body 7 may comprise at least two cartridges, all located inside the upper oil storage chamber 2. The lower magnetic contact may be a lower magnetic suction protrusion.

APPARATUS AND METHOD FOR CONTROLLING BATTERY

Resumen de: EP4546601A1

A battery control apparatus according to an aspect of the present disclosure may include a power supply unit connected to a charging and discharging path of a battery, a driving unit configured to operate the power supply unit by applying a starting power to the power supply unit during a preset starting time from the charging and discharging path, a switching unit connected between the charging and discharging path of the battery and the power supply unit, and a control unit configured to turn on the switching unit in response to that a first operation power output from the power supply unit is applied, and to be driven through a second operation power generated by the power supply unit after the starting time.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4546554A1

Embodiments of the present application provide a battery cell, a battery, and an electric device, belonging to the technical field of batteries. The battery cell includes a casing and a first insulating member. The casing is provided with a pressure relief mechanism. The first insulating member wraps the outer surface of the casing, the first insulating member has a first overlapping region, and the first overlapping region does not overlap with the pressure relief mechanism. In this way, the first overlapping region of the first insulating member does not block the pressure relief mechanism, reducing the risk of the pressure relief mechanism failing to release pressure in time due to that the first overlapping region of the first insulating member blocks the pressure relief mechanism, thereby improving the timeliness of pressure relief of the pressure relief mechanism and improving the reliability of the battery cell.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4546530A1

This application provides a battery and an electrical device. The battery includes a battery cell, a busbar, and an insulation piece. The battery cell includes a shell and an electrode terminal. The shell includes a first wall. The electrode terminal is disposed on the first wall. The busbar is electrically connected to the electrode terminal. The insulation piece is disposed on one side, facing the electrode terminal, of the busbar and covers at least a part of the first wall. The insulation piece includes a first groove recessed along a direction facing away from the first wall. In the battery and electrical device disclosed herein, the first groove is available for accommodating an electrolyte solution leaking from a battery cell, thereby reducing the risk that the electrolyte solution electrically connects two adjacent busbars and causes a high-voltage short circuit inside the battery, and in turn, improving reliability of the battery.

METHOD UPSCALING FROM MICROSTRUCTURE TO CONTINUUM USING A MESOSCALE, HETEROGENEOUS HOMOGENIZATION

Resumen de: EP4546203A1

A microstructure is upscaled to generate a coarsened heterogeneous spatial distribution of porosity and a set of porosity dependent constitutive relationships. A three dimensional (3D) microstructure model, bulk material properties, and/or porosity is received for anode, cathode, and separator battery components. A coarsened porosity model with emergent properties is calculated from the battery component microstructures as a function of the porosity. Bruggeman coefficients for each battery component sub region are calculated from the effective ionic conductivity, electric and thermal conductivity, and ionic diffusivity. A heterogeneous mesoscale 3D battery model is created by combining the anode, cathode, and separator materials into a single cell structure and separately partitioning each into coarse voxels to create a 3D model of porosity.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4545489A1

Disclosed are a positive electrode active material, a positive electrode including the same, and a rechargeable lithium battery, the positive electrode active material including a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide, and a second positive electrode active material including a lithium-manganese rich composite oxide, in which a molar ratio of lithium to a total metal excluding lithium is about 1.1 to about 3 and a manganese content is greater than or equal to about 50 mol% based on 100 mol% of a total metal excluding lithium in the lithium-manganese rich composite oxide.

STEEL SHEET FOR BATTERY CASES AND BATTERY CASE USING THE SAME

Resumen de: EP4545670A2

A steel sheet for battery cases includes about 0.02 wt% to about 0.08 wt% carbon (C); about 0.01 wt% to about 0.1 wt% niobium (Nb); and the balance of iron (Fe).

A device for heating a vehicle battery

Resumen de: FI20247075A1

The invention is a device (100) for heating a battery of vehicle. The battery is rectangular. The device comprises an elongated flexible body (107), a temperature sensor (112), and a heating arrangement inside the body. The body further comprises a first end part (117), a second end part (118), a first long side part (119), a second long side part (120) and a short side part (121). The heating arrangement comprises four heating elements (115a, 115b, 115c, 115d), and two heating elements are positioned in the first long side part and two heating elements are positioned in the second long side part, and the temperature sensor is positioned in the short side part. The device is configured to be set around the battery in such a way that the side parts are positioned on corresponding sides of the battery.

Procédé de gestion d’un état de charge disponible d’une batterie électrique

Resumen de: FR3154503A1

Un aspect de l’invention concerne un procédé (100) de gestion d’un état de charge disponible SOCDisp d’une batterie électrique d’aéronef comprenant des étapes de : Obtention (110) d’un premier état de charge disponible intermédiaire SOCDisp1 à partir d’une table de capacité de la batterie en fonction d’une température de la batterie,Obtention (120) d’un second état de charge disponible intermédiaire SOCDisp2 à partir d’un état de charge stockée, d’une première tension instantanée, d’une tension de circuit ouvert instantanée, et d’une tension minimale admissible prédéterminée, Mesure (130) d’une seconde tension instantanée Ucell aux bornes de la batterie, etDétermination (140) d’un état de charge disponible SOCDisp à partir du premier état de charge disponible intermédiaire SOCDisp1, du second état de charge disponible intermédiaire SOCDisp2 et de la seconde tension instantanée Ucell mesurée (130). Figure à publier avec l’abrégé : Figure 3

Ensemble de stockage d’énergie électrique

Resumen de: FR3154552A1

Ensemble de stockage d’énergie électrique Ensemble (20) de stockage d’énergie électrique comportant : - une pluralité de cellules d’accumulateur électrique de type poche (50), chaque cellule de type poche (50) comportant : - une cathode et une anode enfermées dans une poche (54), - une patte cathodique de connexion électrique (55) couplée électriquement à la cathode, et - une patte anodique de connexion électrique (56) couplée électriquement à l’anode, les pattes anodique et cathodique de connexion électrique (55, 56) dépassant de la poche (54), - un connecteur cathodique (57) et un connecteur anodique (58) de mise en parallèle des cellules, les pattes cathodiques (55) étant repliées chacune sur le connecteur cathodique (57) et les pattes anodiques (56) étant repliées chacune sur le connecteur anodique (58), de sorte à connecter électriquement entre elles les cathodes des cellules de type poche (50) d’une part et les anodes des cellules de type poche (50) d’autre part. Figure pour l’abrégé : Fig 24

procédé d’extraction de lithium résiduel d’un ensemble de cellule(s) de stockage d’énergie électrique

Resumen de: FR3154417A1

L’invention concerne un procédé d’extraction de lithium résiduel d’un ensemble de cellule(s) de stockage d’énergie électrique, en particulier d’une batterie électrique, comprenant du lithium métallique solide résiduel, de manière sécurisée, ainsi qu’un procédé intégral d’extraction de lithium d’un ensemble de cellule(s) de stockage électrique, en particulier d’une batterie électrique, comprenant du lithium métallique solide mettant en œuvre ledit procédé d’extraction de lithium résiduel. Elle concerne également une unité d’extraction de lithium résiduel mettant en œuvre ledit procédé d’extraction de lithium résiduel. Figure : Fig. 1

PROCEDE DE LIMITATION D’UN EQUILIBRAGE D’UNE BATTERIE POUR UN DIAGNOSTIC DE DETECTION D’UN ELEMENT DE STOCKAGE D’ENERGIE DEFECTUEUX

Resumen de: FR3154505A1

La présente invention a pour objet un procédé de limitation d’un équilibrage d’un élément de stockage d’énergie parmi un ensemble d’éléments de stockage (C1-Cn) d’un système de batterie (1) pour l’exécution d’un diagnostic de détection d’un élément de stockage défectueux, ledit système de batterie (1) comportant un dispositif d’équilibrage (3, 8) et un dispositif de détection (4) apte à commander un mode de diagnostic (41) des éléments de stockage, le procédé comportant les étapes suivantes d’activation d’une limitation d’une durée d’équilibrage d’au moins un élément de stockage parmi l’ensemble pendant une période de limitation et de commande du mode de diagnostic à la fin de la période de limitation. L’invention s’applique par exemple aux véhicules électrifiés. Figure 1.

PROCEDE DE DETECTION D’UN ELEMENT DE STOCKAGE DEFECTUEUX D’UNE BATTERIE

Resumen de: FR3154504A1

La présente invention a pour objet un procédé de détection d’un élément de stockage d’énergie défectueux parmi un ensemble d’éléments de stockage d’un système de batterie comportant un dispositif d’équilibrage dudit ensemble, le procédé comportant la commande d’un premier mode de diagnostic (41) consistant à détecter un élément de stockage défectueux lorsqu’un premier paramètre (P1) est supérieur à un premier seuil (S1), la détermination d’une période d’inaction du dispositif d’équilibrage (3, 8), et en cas de détection que la période d’inaction a une durée supérieure à une durée d’inaction prédéterminée, la commande d’un deuxième mode de diagnostic (42) consistant à déterminer un deuxième paramètre d’autodécharge (P2) pour chaque élément de stockage dudit ensemble pendant la période d’inaction et à détecter un élément de stockage défectueux lorsque ledit deuxième paramètre (P2) pour la période d’inaction est supérieur à un deuxième seuil d’autodécharge (S2). Figure 1.

Dispositif de régulation thermique

Resumen de: FR3154550A1

Titre : Dispositif de régulation thermique L’invention a pour objet un dispositif de régulation thermique (1) pour refroidir au moins un composant de stockage d’énergie (5), ce composant de stockage d’énergie étant susceptible de subir un emballement thermique, ce composant de stockage d’énergie étant notamment une cellule de batterie, le dispositif de régulation thermique (1) comportant : un circuit de fluide caloporteur (10), notamment de fluide diélectrique, pour refroidir le composant de stockage d’énergie (5) ;une structure de dégazage à plaque (100) configurée pour évacuer du gaz provenant du composant de stockage d’énergie (5), en cas d’emballement thermique du composant, la structure de dégazage à plaque (100) comportant un circuit de dégazage (101) formé par au moins une plaque, ce circuit de dégazage (101) présentant au moins une évacuation de gaz (102) et étant configuré de manière à ce que du gaz introduit dans ce circuit de dégazage (101) puise s’échapper uniquement par l’au moins une évacuation de gaz (102), la structure de dégazage (100) étant en outre configurée de sorte que le circuit de dégazage (101) soit étanche au circuit de fluide caloporteur (10). Figure pour l’abrégé : Fig. 7

Dispositif de stockage d'énergie électrique à double contrôle thermique et véhicule associé.

Resumen de: FR3154350A1

L’invention concerne un dispositif contrôlé thermique de stockage d’énergie pour véhicule électrique, ayant des capacités d’évacuation thermique élevées. Le dispositif comprend : - une pluralité de cellules électriques (101)- un premier dispositif d’échange thermique comprenant un caloduc gravitaire (111) coudé, en capacité d’échange thermique avec un côté des cellules (101) et une source froide d’un deuxième dispositif d’échange thermique (120), la source froide comprenant au moins deux plaques froides (121-122). Le deuxième dispositif d’échange thermique (120) comprend au moins un caloduc pulsé (123) présentant : - une première aile (123a) s’étendant sous une partie de condensation du caloduc gravitaire et en capacité d’échange thermique avec une partie de la tranche des cellules (101) - une seconde aile (123b) s’étendant en capacité d’échange thermique avec au moins une des plaques froides (121-122) ; - une âme (123c) reliant les ailes (123a, 123b). Figure pour l’abrégé : Fig. 6

Cache de protection pour protéger une borne de module de batterie

Resumen de: FR3154553A1

Cache de protection (8) pour protéger une borne (7) de module de batterie (9), la borne comprenant un trou fileté (6), le cache de protection comprenant au moins un clou (1) avec une tige (5) s’étendant selon un axe de tige et apte à être introduite dans le trou fileté, et un capot (2) apte à recouvrir la borne, caractérisé en ce que le cache de protection est réalisé en au moins deux pièces distinctes, ou trois pièces distinctes, chacune étant obtenue par un procédé de fabrication additive, notamment par impression 3D, à partir d’un matériau bioplastique compostable, tel que l'acide polylactique. Figure de l’abrégé : Fig. 3

Couvercle de boîtier pour module d’accumulation d’énergie ainsi que procédé de montage d'un module d’accumulation d’énergie

Resumen de: FR3154547A1

Couvercle de boîtier pour module d’accumulation d’énergie ainsi que procédé de montage d'un module d’accumulation d’énergie La présente invention concerne un couvercle de boîtier pour un boîtier (4) pour un module d’accumulation d’énergie (1), lequel est prévu pour la réception d'un agencement d'une pluralité de cellules d’accumulation d’énergie, de préférence de cellules d’accumulation d’énergie prismatiques ou de cellules poches d’accumulation d’énergie, de préférence de cellules d’accumulation d’énergie lithium-ion, raccordées électriquement les unes aux autres par le biais de connecteurs de cellule (2), les connecteurs de cellule (2) étant connectés les uns aux autres par soudage au laser en des points de contact (303) à l’aide des bornes (302) des cellules d’accumulation d’énergie (3) respectives. Selon l’invention, au moins une fenêtre de soudage (410) est prévue dans le couvercle de boîtier (402) dans la région d'un point de contact (303). Figure à publier avec l’abrégé : Fig. 2

Boîtier pour un module d’accumulation d’énergie ainsi que module comprenant un tel boîtier

Resumen de: FR3154545A1

Boîtier pour un module d’accumulation d’énergie ainsi que module comprenant un tel boîtier La présente invention concerne un boîtier pour un module d’accumulation d’énergie pour la réception d’un agencement d'une pluralité de cellules d’accumulation d’énergie, les cellules d’accumulation d’énergie formant une surface de dégazage dotée d’ouvertures de dégazage disposées le long de la surface de dégazage, le boîtier entourant l’agencement des cellules d’accumulation d’énergie et comprenant un corps de base de boîtier (401) réalisé en particulier sous forme de pièce moulée en matière plastique, au moins une bande de serrage (8) comprenant une pluralité de fibres s’étendant à l’intérieur du corps de base de boîtier (401), laquelle bande de serrage sert à recevoir des forces de serrage des cellules d’accumulation d’énergie, et la bande de serrage (8) étant enrobée par injection dans le corps de base de boîtier (401). Figure à publier avec l’abrégé : Fig. 3

Agencement pour un module d’accumulation d’énergie ainsi que procédé de montage de l’agencement

Resumen de: FR3154542A1

Agencement pour un module d’accumulation d’énergie ainsi que procédé de montage de l’agencement L’invention concerne un agencement (9) comprenant une pluralité d’éléments de mise en contact de cellule (2, 220) ainsi qu’un canal de refroidissement (6) sous la forme d’un ensemble pour un module d’accumulation d’énergie, en particulier un module d’accumulation d’énergie pour un véhicule, un élément de mise en contact de cellule (2, 220) servant à la mise en contact électrique d’au moins une cellule d’accumulation d’énergie du module d’accumulation d’énergie et comprenant un corps de base électroconducteur doté d’au moins une surface de contact (212, 222), l’au moins une surface de contact (212, 222) servant à la mise en contact électrique d’une borne de l’au moins une cellule d’accumulation d’énergie, les éléments de mise en contact de cellule (2, 220) étant incorporés dans le canal de refroidissement (6) sur une région de fusion (613) dans certaines régions. Figure à publier avec l’abrégé : Fig. 11

Couvercle de boîtier pour module d’accumulation d’énergie et module d’accumulation d’énergie correspondant

Resumen de: FR3154546A1

Couvercle de boîtier pour module d’accumulation d’énergie et module d’accumulation d’énergie correspondant La présente invention concerne un couvercle de boîtier pour un boîtier (4) pour un module d’accumulation d’énergie (1), lequel est prévu pour la réception d’un agencement d'une pluralité de cellules d’accumulation d’énergie (3), raccordées électriquement les unes aux autres par le biais de connecteurs de cellule (2), les cellules d’accumulation d’énergie (3) formant une surface de dégazage dotée d’ouvertures de dégazage (301) disposées le long de la surface de dégazage, lesquelles servent, dans le cas d’une surpression survenant dans une situation critique dans la cellule d’accumulation d’énergie (3) concernée, à permettre à des gaz de s’échapper de manière contrôlée hors de l’intérieur de la cellule d’accumulation d’énergie (3) par le biais de l’ouverture de dégazage (301). Selon l’invention, le couvercle de boîtier (402) et la surface de dégazage forment un canal de dégazage (5) s’étendant en direction d’au moins une extrémité du couvercle de boîtier (402), de préférence en direction des deux extrémités du couvercle de boîtier (402). Figure à publier avec l’abrégé : Fig. 2

Élément de mise en contact de cellule pour un module d’accumulation d’énergie, arrangement et accumulateur comprenant de tels éléments

Resumen de: FR3154551A1

Élément de mise en contact de cellule pour un module d’accumulation d’énergie, arrangement et accumulateur comprenant de tels éléments Élément de mise en contact de cellule (2, 220) servant à la mise en contact électrique d’au moins une cellule d’accumulation d’énergie d’un module d’accumulation d’énergie, en particulier d'un module d’accumulation d’énergie pour un véhicule, comprenant un corps de base électroconducteur doté d’au moins une surface de contact (212, 222) qui sert à la mise en contact électrique d’une borne, le corps de base étant revêtu d'un revêtement (217, 227) plan dans une région partielle (214, 224). Figure à publier avec l’abrégé : Fig. 10

Système de régulation thermique d’un dispositif de stockage d’énergie électrique.

Resumen de: FR3154488A1

Titre de l’invention : Système de régulation thermique d’un dispositif de stockage d’énergie électrique. La présente invention concerne un système de régulation thermique d’un dispositif de stockage d’énergie électrique, le dispositif de stockage d’énergie électrique comprenant un boîtier et une pluralité de composants (6) à réguler thermiquement logées dans le boîtier et alignées les uns à côtés des autres selon une direction d’empilement, caractérisé en ce que le système de régulation thermique comprend au moins une plaque (12) destinée à être disposée entre deux composants (6) à réguler thermiquement adjacents, la plaque (12) comprenant au moins un conduit de circulation (18) de fluide diélectrique comprenant une branche principale et au moins une branche secondaire participant à former un dispositif anti-retour passif. (Figure 2)

Pack de modules d’accumulateur électrique

Resumen de: FR3154548A1

Pack de modules d’accumulateur électrique Pack (6) de modules (8) d’accumulateur électrique comportant : - plusieurs modules (8) d’accumulateur électrique chacun comprenant : deux empilements (9) de cellules d’accumulateurs électriques comprenant chacun : deux joues d’extrémité (10, 11), une pluralité de cellules d’accumulateur électrique disposées en au moins une rangée entre les deux joues d’extrémité, une plaque d’échangeur thermique (13) disposée entre les deux empilements (9) et en contact thermique avec ceux-ci, la plaque (13) dépassant des deux empilements par une extrémité finale (14) à l’arrière du module, les modules (8) étant alignés latéralement, - une boite à bornes (15), disposée sur les joues d’extrémité (10) situées à l’avant des modules, - une ou plusieurs barres de fixation (16), reliant ensemble les modules (8), la ou les barres de fixation (16) étant fixées à la plaque d’échangeur thermique (13) de chaque module (8) au niveau de l’extrémité finale (14) de la plaque. Figure pour l’abrégé : Fig 3

SENSOR-GUIDED ADAPTIVE LASER ABLATION OF BATTERY ELECTRODES

Resumen de: WO2025085600A2

Methods and systems for processing battery electrodes are disclosed. A system for processing battery electrodes includes a first measurement device for measuring one or more parameters of a target region of a battery electrode; a pulsed laser system for removing a portion of the target region of a sample of material comprising battery electrodes based one or more measured parameters as measured by the first measurement device; a control system for controlling the removing that is in communication with the first measurement device and the laser system; and a debris collection device for removing debris from the target region.

SENSOR-GUIDED ADAPTIVE LASER ABLATION OF BATTERY ELECTRODES

Resumen de: WO2025085599A1

Methods and systems for processing battery electrodes are disclosed. A system for processing battery electrodes includes a first measurement device for measuring one or more parameters of a target region of a battery electrode; a pulsed laser system for removing a portion of the target region of a sample of material comprising battery electrodes based one or more measured parameters as measured by the first measurement device; a control system for controlling the removing that is in communication with the first measurement device and the laser system; and a debris collection device for removing debris from the target region.

BATTERY SAFETY MONITOR

Resumen de: WO2025085328A1

An apparatus collects one or more metrics associated with an energy storage device in response to one or more criteria and transmits the one or more metrics based on a comparison of the one or more metrics to a target threshold value. The one or more metrics include a concentration level of a noxious gas. The apparatus activates one or more functions based on at least one of a control signal and the comparison. The one or more functions include at least one of a first function associated with venting the energy storage device and a second function associated with decoupling the energy storage device from a tool electrically coupled to the energy storage device.

APPARATUS FOR MEASURING INSULATION PERFORMANCE OF BATTERY

Resumen de: WO2025084532A1

An apparatus for measuring the insulation performance of a battery, according to an embodiment of the present disclosure, comprises: a support plate including an insulated insulation region; a close contact member disposed in the insulation region, including a material thereof having electrical conductivity and elasticity, and being in close contact with a battery cell; and a resistance measuring device in which a first connection part is connected to the close contact member and a second connection part is connected to the battery cell, wherein the close contact member is pressed by the battery cell so that at least a portion of the close contact member may be deformed into a shape corresponding to the outer contour of the battery cell.

METHOD FOR SEALING SECONDARY BATTERY

Resumen de: WO2025084541A1

A method for sealing a secondary battery, according to the present invention, is a method for sealing a battery case and an electrode lead of the secondary battery. The method comprises the steps of: providing a heater on the front surface of a sealer; providing an electrode lead between an upper sealer and a lower sealer included in the sealer; heating the electrode lead by using the heater; sealing the electrode lead and a battery case by using the sealer; photographing the sealer around the heater by means of a camera disposed on the front surface of the heater to obtain shape information; measuring the temperature of the sealer around the heater by using a temperature sensor to obtain temperature information; obtaining temperature-dependent thermal expansion data of the sealer by using the shape information, the temperature information, and material information of the sealer; and measuring the temperature of the electrode lead by using a temperature sensor, and then predicting the thermal expansion value of the sealer at the electrode lead covered by the heater by using the thermal expansion data.

EARLY FIRE DETECTION DEVICE AND METHOD FOR RECHARGEABLE LITHIUM-ION BATTERIES

Resumen de: WO2025085772A1

A device and system thereof to provide early warning and potential shutdown of a charging consumer device including a rechargeable battery (i.e., lithium-ion) in the event of a possible thermal runaway are disclosed herein. Such a device includes a sensor to detect degassing of emitted carbon dioxide or hydrogen gas at a nanoparticle level as an indication of the initiation of such a possible flame presence due to such a thermal runaway event. Such a system thus incorporates such an overall device present within a close proximity to a rechargeable battery (or batteries) as a means to provide an early warning of such a potentially catastrophic situation to permit a user the capability of detaching or unplugging such a rechargeable battery and/or at least the chance to move the consumer device to a safer location. The method of utilizing such a device and system thereof is encompassed herein as well.

METHOD FOR MANUFACTURING ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE SECONDARY BATTERY BY USING METAL NITRIDE AS CORE, ELECTRODE ACTIVE MATERIAL, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: WO2025084564A1

The present invention relates to a method for manufacturing an electrode active material for an all-solid-state secondary battery. The electrode active material manufacturing method of producing an electrode material for an all-solid-state secondary battery comprises the steps of: preparing a core including a metal nitride; and coating the core with lithium or a lithium compound containing lithium to form a shell on the surface of the core. The metal nitride includes a metal nitride compound containing at least one selected from the group consisting of Al, Co, Si, Zn, Cu, and Sn.

CYCLING TEST DEVICE

Resumen de: WO2025084694A1

A cycling test device related to an embodiment of the present invention includes: a chamber having a space unit for accommodating a battery, and having a plurality of partition walls forming the space unit; a first temperature control unit that supplies air to the space unit and includes a first refrigerator provided to control the temperature of the supplied air; and a second temperature control unit provided to cool down at least one of the partition walls.

SILICON-CARBON COMPOSITE, ANODE ACTIVE MATERIAL, ANODE COMPRISING ANODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING ANODE

Resumen de: WO2025084698A1

The present invention relates to a silicon-carbon composite, an anode active material comprising same, an anode composition, an anode, a lithium secondary battery, a battery module, and a battery pack, the silicon-carbon composite having a Raman spectrum in which the ratio (BD/Bsi) of the intensity of the D band to the intensity of the Si peak or the ratio (BG/Bsi) of the intensity of the G band to the intensity of the Si peak is greater than 5 and less than 50, and the Si peak is between 495 cm-1 and 515 cm-1.

METHOD FOR RECOVERING LITHIUM COMPOUND

Resumen de: WO2025084018A1

An embodiment of the present invention relates to a method for recovering a lithium compound, wherein particles that are obtained by pulverizing a used positive electrode reaction vessel from which positive electrode material powder and positive electrode material powder precursor have been removed are stirred in water, then filtration is carried out, a cationic flocculant is added to the obtained liquid, and further filtration is carried out.

SUPERCAPACITOR AND METHOD OF MANAGING ENERGY THEREOF

Resumen de: WO2025085932A1

A method (700) of managing energy for a supercapacitor (100) includes charging (702) a plurality of cells (102) of an energy storage module (108) of a supercapacitor (100) during a charge cycle. The energy storage module (108) includes a plurality of strings (106) connected to each other in a parallel configuration. Each string (106) includes a plurality of stacks (104) connected to each other in a series configuration. Each stack (104) includes a quantity of cells (102) of the plurality of cells (102). The method (700) includes, during the charge cycle, measuring (704) a voltage of a cell (102) of the plurality of cells (102). The method (700) includes, during the charge cycle, and based at least in part on the measured voltage, increasing (706) a quantity of the plurality of strings (106) by decreasing a quantity of the stacks (104) of at least one string (106).

FERROELECTRIC SEPARATORS FOR SUPPRESSING DENDRITES GROWTH IN RECHARGEABLE BATTERIES

Resumen de: WO2025085435A1

A mesoporous piezoelectric or ferroelectric (FE) Al2O3/P(VDF-TrFE) membrane can actively suppress anode dendrites formation when used as a separator in rechargeable aqueous Zn-ion batteries. When the positive polarization side of the FE separator faces the metal anode during charging, the FE separator can reverse the local energetics for Zn2+ reduction at the protrusion area and deplete incoming Zn2+ ions to the flat region. As a result, the symmetric Zn-Zn cell with this P+ separator can achieve a substantially higher cycling stability.

NEW COMPOUND EXHIBITING HYDRIDE IONIC CONDUCTION PERFORMANCE, METHOD FOR PRODUCING SAME, AND USE THEREOF

Resumen de: WO2025084401A1

Provided are: a new compound exhibiting hydride ionic conduction performance with high conductivity; a method for producing the same; and a use for batteries or the like using the same.　A compound represented by general formula (I).　(I): Ba1.75-xSrxLiHaOb (In the formula, x represents a number satisfying 0

PARTICLES, COMPOSITE, SHEET, AND POWER STORAGE DEVICE

Resumen de: WO2025084358A1

The purpose of the present invention is to provide particles (19) capable of surface optimization, a composite (10), a sheet (15), and a power storage device (11). The particles are an oxide-based solid electrolyte. A graph (22) of cumulative pore volume distribution in which a logarithmic-scale horizontal axis indicates the particle-pore diameter and the vertical axis indicates the particle-pore volume includes an inflection point (25) between a first point (23) at a pore diameter of 10.3 μm and a second point (24) at a pore diameter of 3.6 nm. The slope of a tangent (27) at a point on the graph heading from the first point toward the second point is such that the slope of a tangent between the inflection point and the second point is greater on either side of the inflection point in comparison with the slope of a tangent between the first point and the inflection point. The composite contains particles and an electrolyte. The sheet contains the composite.

BATTERY HOUSING STRUCTURE AND TOY

Resumen de: WO2025084381A1

Problem To provide a novel configuration concerning a battery housing part in an electronic device. Solution This battery housing structure comprises: a first member 10 in which a battery housing part 14 is formed; a second member 20 for closing a release port 14a of the battery housing part 14; and a screw member 30 for fixing the second member 20 to the first member 10. The battery housing part 14 has a through hole 15 penetrating in a first direction in a region facing the second member 20. The second member 20 has a screw-receiving hole part 20A connectable to a tip part 30a of the screw member 30 passed through the through hole 15.

ACTIVE BATTERY MANAGEMENT SYSTEM FED FROM A MODIFIED T-TYPE TWO-WAY CONVERTER

Resumen de: WO2025085039A1

The invention relates to an active battery management system (BMS) for battery energy storage systems (BES) fed from a modified T-type bidirectional converter

ANODE-FREE SODIUM ALL-SOLID-STATE BATTERY

Resumen de: WO2025085362A1

Disclosed are an anode-free all-solid-state battery which may operate at low temperature conditions, such as room temperature, and a method manufacturing the same. The anode-free all-solid-state battery can have a first current collector formed from powdered or pelletized metal particles and a solid sodium electrolyte separator.

SOLID ELECTROLYTE, AND POSITIVE ELECTRODE AND ALL-SOLID RECHARGEABLE BATTERY INCLUDING SAME

Resumen de: WO2025084526A1

The present invention relates to a solid electrolyte, and a positive electrode and an all-solid rechargeable battery including same, the solid electrolyte according to an embodiment of the present invention comprising: solid ionic conductor particles; and a coating layer disposed on the surface of the solid ionic conductor particles, wherein the coating layer comprises a compound represented by formula 1 and a compound represented by formula 2. Chemical formula 1 Li3+aM1 bX1 6+c Chemical formula 2 LiX2 (Details of the formulae are as indicated in the specification.)

SYSTEMS AND METHODS FOR ACTIVATING AN ELECTRONIC DEVICE VIA BATTERY DISPLACEMENT

Resumen de: WO2025085475A1

Systems and methods are disclosed that include an electronic device and an activation device. The electronic device includes a battery compartment having a battery storage section and a battery engagement section. The battery engagement section includes battery contacts. The electronic also includes a battery disposed in the battery storage section of the battery compartment. The battery moves from the battery storage section to the battery engagement section in response to an activation event to place the battery in electrical contact with the battery contacts. The activation device includes an activation element configured to generate the activation event.

SECONDARY BATTERY

Resumen de: WO2025084709A1

The present invention relates to a secondary battery comprising: an electrode assembly on which a positive electrode, a separator, and a negative electrode are wound; a battery case of which one surface is open and the other surface has a through-hole, and which includes a space in which the electrode assembly is accommodated; an electrode terminal which is in contact with the electrode assembly and exposed to the outside through the through-hole; a gasket positioned between the battery case and the electrode terminal; and a top cap coupled to the opening of the one surface of the battery case, wherein the gasket has a first leakage detection member positioned on the surface facing the battery case.

RECHARGEABLE LIQUID METAL-CO2 BATTERY FOR ENERGY STORAGE AND CO2 REDUCTION

Resumen de: WO2025085900A1

A rechargeable battery is provided, the rechargeable battery including a membraneelectrode assembly including: a liquid gallium (LGa) electrode; a metal gas electrode (MGE); and a molten carbonate electrolyte (MCE) membrane disposed between the LGa electrode and the MGE. The rechargeable battery reduces carbon dioxide (CO2) and oxygen (O2) to provide gallium oxide and solid carbon. Also provided are methods of charging and discharging the rechargeable battery.

BATTERY ASSEMBLY

Resumen de: WO2025084772A1

A battery assembly is disclosed. The battery assembly according to an embodiment of the present invention comprises: a main frame providing an inner space and having an open top; a partition plate positioned inside the main frame and dividing the inner space into upper and lower spaces; battery cells vertically penetrating the partition plate; a sub-frame positioned inside the main frame and coupled to the top of the partition plate; and a top cover covering the upper space and coupled to the sub-frame.

BATTERY ASSEMBLY

Resumen de: WO2025084768A1

A battery assembly is disclosed. The battery assembly according to an embodiment of the present invention may comprise: a frame comprising perimeter walls providing an inner space and a partition plate extending inward from the perimeter walls and dividing the inner space into upper and lower spaces; battery cells located in the inner space and vertically penetrating through the partition plate; a bottom cover that couples to the perimeter walls, and covering the bottom of the lower space; and a top cover that couples to the perimeter walls and covering the top of the upper space.

COMPOSITION FOR ELECTRODE INSULATION COATING, ELECTRODE, AND METHOD FOR MANUFACTURING ELECTRODE

Resumen de: WO2025084846A1

A composition for insulation coating, according to the present invention, comprises inorganic particles; a rubber-based binder; a fluorine-based binder; a dispersant; and a solvent, wherein the fluorine-based binder is contained in an amount of 7 parts by weight or less with respect to 100 parts by weight of solid content excluding the solvent. The composition for insulation coating, according to the present invention, has an increased wet thickness when applied to a current collector, so that a sliding phenomenon in which a slurry for an electrode flows down is suppressed, and thus there is an effect of remarkably reducing the sliding length of an electrode active material layer.

STACKING APPARATUS AND ALL-SOLID-STATE BATTERY MANUFACTURING METHOD USING SAME

Resumen de: WO2025084521A2

The present invention relates to a stacking apparatus and an all-solid-state battery manufacturing method using same. More specifically, the stacking apparatus of the present invention comprises a web supply unit, a magazine unit, a sheet supply unit, and a sheet fixing unit. The sheet fixing unit includes a circulation belt and a clamp provided at one side of the circulation belt, the circulation belt is configured to circulate the clamp along a first direction, and the clamp is configured to fix an electrode sheet onto a pouch web.

BATTERY CONTROL DEVICE AND METHOD

Resumen de: WO2025084840A1

A battery control device according to the present invention comprises: a connection unit configured to turn on or turn off, for each battery, a connection state between multiple batteries and an output terminal; and a control unit for controlling the connection unit so that the multiple batteries are connected in parallel to the output terminal to be discharged during a first discharge period, which is a period from a time point at which the discharge of the multiple batteries each having an SOC equal to or greater than a predetermined reference value is started to a time point at which an SOC of at least one of the multiple batteries reaches the reference value.

SEALED SEAWATER SECONDARY BATTERY

Resumen de: WO2025084839A1

The present invention relates to a closed seawater secondary battery. More specifically, in order to use, on land, the seawater secondary battery, which is designed for use in a marine environment, an additive is introduced to replace the required large amount of seawater, so that driving thereof is possible even with a small amount of seawater. In order to improve performance when the additive is used, one more or two more different ferrocyanide-based and ferricyanide-based materials can be mixed and used, and performance similar to that in the marine environment can be implemented even on land by applying same.

ELECTRODE SUPPLY APPARATUS AND METHOD, AND ELECTRODE ASSEMBLY MANUFACTURING APPARATUS AND METHOD

Resumen de: WO2025084829A1

The present invention relates to an electrode supply apparatus and method, and an electrode assembly manufacturing apparatus and method.

POWER BLOCKING METHOD BASED ON ABNORMAL TEMPERATURE AND SYSTEM THEREOF

Resumen de: WO2025084765A1

The present disclosure relates to a power blocking method and a system thereof. The power blocking method according to an embodiment of the present disclosure may comprise the steps in which: a trigger unit blocks a part of a circuit when a preconfigured temperature is exceeded; a shunt regulator is electrified according to an input signal which is changed on the basis of the blocking of the part of the circuit; a switch unit outputs a blocking unit control signal to at least one blocking unit on the basis of the operation of the shunt regulator; and the at least one blocking unit configured between one end and the other end of a conductor unit blocks power transfer between the one end and the other end of the conductor unit on the basis of the blocking unit control signal.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2025084750A1

The present invention relates to a cathode active material, a method for manufacturing same, and a lithium secondary battery comprising same. Specifically, the cathode active material of the present invention includes: a lithium-nickel-based oxide in which the nickel content accounts for 70 mol% or more of the total metal elements excluding lithium; a first coating layer formed on the lithium-nickel-based oxide; and a second coating layer formed on the first coating layer, wherein the first coating layer contains a coating element M1 (where M1 is at least one selected from Ni, Co, and Al) and the second coating layer contains a coating element M2 (where M2 is Ti), and the titanium content in the second coating layer, measured by X-ray photoelectron spectroscopy (XPS), may be in the range of 0.7 atomic% to 3.3 atomic% relative to the total content of Ni, Co, Li, and oxygen (O) in the lithium-nickel-based oxide, as measured by X-ray photoelectron spectroscopy (XPS).

DRY ELECTRODE FOR ELECTROCHEMICAL DEVICE

Resumen de: WO2025084766A1

The present invention relates to a dry electrode for an electrochemical device, a manufacturing method therefor, and an electrochemical device comprising the dry electrode. The electrode according to one aspect of the present invention comprises: a current collector; and an electrode film, which is located on one side of the current collector and which comprises an active material, a porous filler, a conductive material, and a binder, wherein the porous filler has an average particle diameter (D50) that is at least twice the average particle diameter (D50) of the active material, and the electrode has a bending resistance of 20 mm pi (Φ) or less.

ELECTRODE MIXTURE FILM, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2025084776A1

The present invention relates to an electrode mixture film comprising an electrode active material, a conductive material, and a fibrillatable binder, the electrode mixture film comprising: side portions positioned at respective ends in the width direction of the electrode mixture film; and a central portion disposed between the side portions, wherein the crystallinity of the binder included in the central portion is higher than the crystallinity of the binder included in the side portions.

BATTERY ASSEMBLY

Resumen de: WO2025084771A1

A battery assembly is disclosed. The battery assembly according to an embodiment of the present invention may comprise: a frame providing an inner space and having an open top; a partition plate positioned inside the frame and dividing the inner space into upper and lower spaces; battery cells vertically penetrating the partition plate; and a top cover covering the upper space and coupled to the frame.

RECOVERY METHOD USED FOR WASTE LITHIUM BATTERIES AND APPLIED TO LITHIUM BATTERY ENTIRE-CHAIN INTEGRATION

Resumen de: WO2025081403A1

The present disclosure belongs to the technical field of lithium battery recovery, and particularly relates to a recovery method used for waste lithium batteries and applied to lithium battery entire-chain integration. In view of valuable metals (such as nickel, cobalt and manganese) in waste lithium battery powder being insoluble in alkali, aluminum in the waste lithium battery powder can be removed by means of primary alkaline leaching; the aluminum-containing leachate is mixed with glycine, and the cooperative effect of glycine and copper ions is used, such that copper and aluminum are selectively leached out. The recovery method provided by the present disclosure can efficiently remove copper and aluminum at low cost, and improve the valuable metal recovery rate.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: WO2025081728A1

The present application relates to a battery cell, a battery and an electrical apparatus. The battery cell comprises a casing and a first protective layer, the casing having a wall portion, the wall portion being provided with a weak portion, and the weak portion being configured to rupture when the internal pressure or temperature of the battery cell reaches a threshold value; the first protective layer is arranged on the wall portion and covers at least part of the weak portion. In the battery cell provided by the present application, the battery cell comprises the casing and the first protective layer, the casing has the wall portion, the wall portion is provided with the weak portion, the weak portion ruptures when the internal pressure or temperature of the battery cell reaches the threshold value, and the first protective layer covers at least part of the weak portion, so as to protect the weak portion, thus reducing corrosion of the weak portion, and ameliorating the impact on the bursting pressure of the weak portion.

ENERGY STORAGE POWER SUPPLY, ENERGY STORAGE POWER SUPPLY SYSTEM AND CONTROL METHOD FOR ENERGY STORAGE POWER SUPPLY

Resumen de: WO2025081727A1

An energy storage power supply (100) comprising first and second battery modules and a battery management module (50). The battery management module (50) comprises an acquisition module (51) for acquiring operating parameters of the first and second battery modules, a charging-discharging module (52) electrically connected to the first battery module (10), a conversion module (53) electrically connected to both the first battery module (10) and the second battery module (30), and a control module (54).

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY

Resumen de: WO2025081660A1

A positive electrode material and a preparation method therefor, and a lithium ion battery. The positive electrode material comprises: a core layer, the core layer comprising Li, Fe, Mn and PO4 - ions, and a doping element A; and a shell layer, wherein the outer surface of the core layer is coated with at least the surface of the shell layer, and the shell layer comprises first carbon particles and second carbon particles. The doping element A comprises at least one element of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn and Y; the distance between the highest point and the lowest point in a single surface of the positive electrode material does not exceed 1 nm, and the surface roughness of the positive electrode material is 0.8 μm to 1.6 μm. By means of the two-time carbon coating process, the present application greatly reduces manganese dissolution while ensuring high capacity and high compaction of the positive electrode material, thereby ensuring the cyclic discharging efficiency of the positive electrode material.

BATTERY CURRENT COLLECTOR PLATE AND BATTERY

Resumen de: US2025132350A1

A battery current collector plate and a battery, the current collector plate comprising a current collector plate body and a weld zone, the current collector plate body having a first face for contacting a rolled core, and a second face opposite the first face; at least a portion of the second face is provided with the weld zone, and the weld zone has a lower laser reflectivity than the first face. In the present utility model, the weld zone of low laser reflectivity is provided on the current collector plate, such that a surface of the current collector plate absorbs laser energy more effectively, thereby increasing the efficiency and precision of welding. At the same time, the weld zone of low laser reflectivity can also reduce the temperature and the amount of heat generated during laser welding, thereby safeguarding the performance and stability of a rolled core assembly.

CELL AND PRISMATIC BATTERY

Resumen de: US2025132372A1

A cell is provided, including a main body formed by winding electrode sheets and a separator. The main body is a flat structure with a length direction and a width direction. The first length L1 of the main body along the length direction is greater than the first width W1 of the main body along the width direction. The width direction of the main body is perpendicular to the plane where the winding direction of the main body is located. The cell has a width direction perpendicular to the plane where the winding direction of the main body is located, thereby shortening the infiltration path of the electrolyte and improving the infiltration rate and infiltration effect of the electrolyte. A prismatic battery is also provided.

MOLD-TYPE SECONDARY BATTERY POUCH CELL TERRACE FOLDING DEVICE

Resumen de: US2025132370A1

Provided is a mold-type secondary battery pouch cell terrace folding device for folding an edge of a secondary battery pouch cell, which allows adjustments of a roller gap and a press unit gap by replacing a stopper, the device adjusting the gap by including: an upper mount including an upper roller disposed on the upper mount in a length direction; a lower mount including a lower roller disposed on the lower mount in the length direction; a support vertical to an upper surface of the lower mount and passing through the upper and lower mounts to move the upper mount vertically; and a block disposed between the upper mount and the lower mount to adjust a gap between the upper roller and the lower roller.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US2025132345A1

A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode current collector, and a positive electrode mixture layer supported on the positive electrode current collector. The negative electrode includes a negative electrode current collector, and a negative electrode mixture layer supported on the negative electrode current collector. The negative electrode mixture layer includes a negative electrode active material capable of absorbing and releasing lithium ions, and negative-electrode-side carbon nanotubes. The positive electrode mixture layer includes a positive electrode active material capable of absorbing and releasing lithium ions, and positive-electrode-side carbon nanotubes. The expansion rate during charging of the negative electrode is 10% or more.

POWER STORAGE DEVICE

Resumen de: US2025132418A1

An energy storage system includes a rack container having a predetermined accommodation space, a plurality of battery racks disposed in the rack container and respectively having a coolant tank in which a predetermined coolant is contained, and at least one flux supplement unit configured to connect the coolant tanks of the plurality of battery racks.

SOLID ELECTROLYTE, AND POSITIVE ELECTRODE AND ALL-SOLID RECHARGEABLE BATTERY INCLUDING SAME

Resumen de: WO2025084525A1

The present invention relates to a solid electrolyte, and a positive electrode and an all-solid rechargeable battery comprising same, the solid electrolyte comprising: solid ion conductor particles; a coating layer comprising a compound represented by formula 1; and a lithium-deficient layer disposed at the interface of the solid ion conductor particles and coating layer. Chemical formula 1 Li3+aM1 bX1 6+c (Details of the formula are as indicated in the specification.)

SOLID ELECTROLYTE, SOLID ELECTROLYTE SINTERED BODY, AND LITHIUM ION SECONDARY BATTERY

Resumen de: WO2025084421A1

One embodiment of the present invention relates to a solid electrolyte. The solid electrolyte contains one or more elements selected from the group consisting of lithium, titanium, vanadium, oxygen, and an element M1 and an element M2; the element M1 is a group 14 element or zirconium; and the element M2 is a group 13 element.

ALL-SOLID SECONDARY BATTERY

Resumen de: WO2025084538A1

This all-solid secondary battery comprises a positive electrode layer, a negative electrode layer, and an electrolyte layer between the positive and negative electrode layers. The positive electrode layer comprises a positive electrode current collector and a positive active material layer on one surface thereof. The negative electrode layer comprises a negative electrode current collector and a first negative active material layer on one surface thereof. The first negative active material layer comprises first and second negative active material. The first negative active material comprises first composite negative active material, and the first composite negative active material comprises a first metal oxide represented by MaOb (0

BATTERY PACK FIRE EXTINGUISHING SYSTEM

Resumen de: WO2025084531A1

Described is a battery pack fire extinguishing system according to one embodiment. The battery pack fire extinguishing system comprises: a communication pipe part which has a pipe shape enabling communication between the inside of a battery pack mounted in a product and the outside of the product, and which has an end portion facing the outside of the product formed so as to be extendable; a plurality of temperature measurement parts which measure the internal temperature of the battery pack; a control part which controls the lengthening of the communication pipe part according to the temperature measured by the temperature measurement parts; and a fire-extinguishing faucet which is provided at the outside of the product and is connected to the communication pipe part so as to supply water or a fire-extinguishing material into the battery pack.

ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY ANODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE

Resumen de: WO2025084826A1

The present application relates to an anode active material, a lithium secondary battery anode, a method for manufacturing the lithium secondary battery anode, and a lithium secondary battery comprising the anode.

BATTERY MODULE AND BATTERY PACK

Resumen de: WO2025082093A1

A battery module and a battery pack. The battery pack comprises a battery module; the battery module comprises a liquid cooling structure (10) and a plurality of battery cells (20); the liquid cooling structure (10) comprises an upper box plate (11), a lower box plate (12) and a support member (13); the upper box plate (11) and the lower box plate (12) are arranged opposite to each other to form an accommodating space (14); the surfaces of the upper box plate (11) and the lower box plate (12) close to each other are cooling surfaces (111); grooves (112) are formed in the cooling surfaces (111); each groove (112) is adapted to the circumferential side surfaces of the corresponding battery cell (20); the support member (13) extends along the upper box plate (11) and is vertically connected between the upper box plate (11) and the lower box plate (12).

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY

Resumen de: WO2025082548A1

A positive electrode sheet and a preparation method therefor, and a lithium ion battery. The positive electrode sheet comprises a current collector and a coating arranged on at least one surface of the current collector, the coating comprising a first coating and a second coating which are sequentially arranged close to the current collector, wherein the first coating comprises a first active substance and a first conductive agent, the first active substance comprises a large-particle-size first active substance and a small-particle-size first active substance, and the first conductive agent comprises carbon nanotubes; and the second coating comprises a second active substance and a second conductive agent, the second active substance comprises a small-particle-size second active substance, and the second conductive agent comprises porous carbon and carbon nanotubes. The positive electrode sheet is assembled to be a battery, and has a high energy density and good power performance.

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025082055A1

An electrode assembly, a battery cell, a battery, and an electric device. The electrode assembly comprises a first electrode sheet, a second electrode sheet and a separator, wherein the first electrode sheet and the second electrode sheet have opposite polarities, and the separator is used for insulating and separating the first electrode sheet from the second electrode sheet. The first electrode sheet, the second electrode sheet and the separator are wound in the direction of winding, thus forming a cylindrical structure. The first electrode sheet comprises a first current collector and a first active material layer. The first current collector comprises a first coated area and a blank area which are arranged in the direction of winding, wherein the surface of the first coated area is coated with the first active material layer, whilst the blank area is not coated with the first active material layer. In the direction of winding, the blank area is located at the end of the first electrode sheet close to the winding center. The electrode assembly enables cycle life to be prolonged.

METHOD FOR DETERMINING A STATE OF CHARGE OF AN ELECTRIC ENERGY STORE, ELECTRIC ENERGY STORE, AND DEVICE

Resumen de: US2025130288A1

The invention relates to a method for determining the state of charge of an electric energy store comprising electric energy store cells and at least one sensor,in which method: in a first method step, operating parameters of the electric energy store are determined;in a second method step, at least one maximum state of charge and at least one minimum state of charge are determined as a temporal integral for each electric energy store cell on the basis of a current (I), a current measuring inaccuracy (ΔI), at least one capacitance, a correction value for the minimum state of charge (formula (IA)), and a correction value for the maximum state of charge (formula (IB)) of the electric energy store cells;the correction value for the minimum state of charge (formula (IA)) is determined by means of a minimum state of charge (formula (IIA)) on the basis of a filtered minimum open-circuit voltage (formula (III)) of the electric energy store;the correction value for the maximum state of charge (formula (IB)) is determined by means of a maximum state of charge (formula (IIB)) on the basis of a filtered maximum open-circuit voltage (formula (III)) of the electric energy store;wherein a maximum state of charge (SOCmax) of the electric energy store is the maximum of the maximum states of charge (formula (IVA)) of all the electric energy store cells, and a minimum state of charge (SOCmin) of the electric energy store is the minimum of the minimum states of charge (formula (IVB)) of all th

DETECTION DEVICE FOR DETECTING SIGN OF THERMAL RUNAWAY FOR SECONDARY BATTERY AND METHOD FOR DETECTING SIGN OF THERMAL RUNAWAY FOR SECONDARY BATTERY

Resumen de: US2025130285A1

A thermal runaway sign detection device includes a measurement unit that measures a voltage fluctuation in a first mode in which a number of times that a fluctuating current is output from the secondary battery and voltage fluctuation of the secondary battery in response to the fluctuating current is measured is first number of times, and in a second mode in which the number of times is second number of times less than the first number of times. A detection unit detects a sign of thermal runaway in the secondary battery when a rate of change in a real part of an AC impedance obtained based on the voltage fluctuation measured by the measurement unit at the fluctuating current of a predetermined frequency at which an imaginary part of the AC impedance of the secondary battery calculated based on the voltage fluctuation becomes zero, is greater than a threshold value.

LAMP CELL BOX

Resumen de: US2025129923A1

A lamp cell box includes a switch, a least one button cell, a metal elastic sheet and a box holder. The switch includes a body, a button and a contact terminal. The metal elastic sheet includes a first elastic contact part. The box holder includes a cell trough, a switch trough, an elastic sheet trough, a first connection port and a second connection port, where the button cell is disposed in the cell trough, a portion of the metal elastic sheet is disposed in the elastic sheet trough, the body is disposed in the switch trough, the contact terminal penetrates through the first connection port and is in electrical contact with the negative electrode of the button cell, and the first elastic contact part penetrates through the second connection port and is in electrical contact with the positive electrode of the button cell.

EARPHONE AND EARPHONE ASSEMBLY

Resumen de: US2025133325A1

This application discloses an earphone and an earphone assembly. The earphone includes a housing, a speaker, a main circuit board, and a battery. All of the speaker, the main circuit board, and the battery are mounted in the housing. The main circuit board is located between the speaker and the battery. The main circuit board is disposed in an inclined manner relative to the speaker. A risk that the speaker of the earphone generates current noise is low, and sound quality of the earphone is good.

SOLID-STATE ELECTROLYTE, AND HIGH-SAFETY SOLID-STATE SODIUM-ION BATTERY AND PREPARATION PROCESS THEREFOR

Resumen de: WO2025081658A1

A solid-state electrolyte, and a high-safety solid-state sodium-ion battery and a preparation process therefor. In particular, the solid-state electrolyte is prepared by using a solid-phase method, and the addition of a rare-earth material to the solid-state electrolyte can effectively improve the density of the solid-state electrolyte, reducing the grain boundary resistance. A positive electrode active material is obtained by compounding a layered oxide and a polyanionic material. The introduction of the high-safety polyanionic material can greatly improve the safety performance of a battery, such that the safety performance of a sodium-ion battery is higher than that of a lithium iron phosphate battery. The addition of a graphite material to a negative electrode can effectively improve the compacted density of the negative electrode, improving the volumetric specific energy of the battery.

LAMINATED BATTERY CELL, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: WO2025081625A1

The present application belongs to the technical field of batteries, and particularly relates to an laminated battery cell, a secondary battery and an electrical apparatus. The laminated battery cell provided by the present application comprises a positive electrode sheet, a negative electrode sheet and a separator, the separator comprising a separator body; the separator body comprises a side surface facing the negative electrode sheet, the side surface being provided with a side edge, and at least part of the side edge being provided with an adhesive film layer; the adhesive film layer is arranged in a first direction and/or a second direction of the plane where the separator body is located, so as to form an accommodation area, the negative electrode sheet being located in the accommodation area. The laminated battery cell helps to improve the safety of batteries.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2025081342A1

The present application provides a secondary battery and an electronic device. The secondary battery comprises an electrode assembly, and the electrode assembly comprises a positive electrode sheet, a negative electrode sheet, and a separator provided between the positive electrode sheet and the negative electrode sheet; the transverse tensile strength of the separator is A MPa, and the puncture strength of the separator is B N/μm, wherein A and B satisfy: 1.02≤0.1A+0.2B≤2.16, 10≤A≤20, and 0.1≤B≤0.8. The secondary battery of the present application has a good impact passing rate and energy density.

NEGATIVE ELECTRODE AND LITHIUM BATTERY COMPRISING SAME

Resumen de: WO2025084746A1

Proposed are a negative electrode and a lithium battery comprising same, the negative electrode comprising: a negative electrode current collector; an electrodeposition inducing layer disposed on the negative electrode current collector and including a first carbon-based material; and a protective layer disposed on the electrodeposition inducing layer, wherein the first carbon-based material is amorphous carbon including a nitrogen element, and the amount of the nitrogen element is greater than 1 wt% with respect to the total weight of the electrodeposition inducing layer.

ALL-SOLID SECONDARY BATTERY

Resumen de: WO2025084537A1

This all-solid secondary battery comprises a positive electrode layer, a negative electrode layer, and an electrolyte layer between the positive and negative electrode layers. The positive electrode layer comprises a positive electrode current collector and a positive active material layer on one surface thereof. The negative electrode layer comprises a negative electrode current collector and a first negative active material layer on one surface thereof. The first negative active material layer comprises composite negative active material, and the composite negative active material comprises a first metal oxide represented by MaOb (0

ELECTRODE AND LITHIUM ION SECONDARY BATTERY

Resumen de: WO2025084355A1

Electrodes (20, 30) are provided with current collectors (22, 32) and active material layers (24, 34) that are in contact with one surface of each of the current collectors (22, 32). The active material layers (24, 34) have main parts (25, 35) and sub parts (26, 36) when viewed from a lamination direction. The sub parts (26, 36) are separated from the main parts (25, 35), and are at outer peripheral ends of the active material layers (24, 34). The area of the main parts (25, 35) is wider than the area of the sub parts (26, 36).

SULFIDE SOLID ELECTROLYTE, METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE, POSITIVE ELECTRODE FOR POWER STORAGE ELEMENT, AND POWER STORAGE ELEMENT

Resumen de: WO2025084371A1

The present invention has a crystal structure according to an aspect of the present invention, and contains: at least one element A selected from the group consisting of a lithium element, a sodium element, and a potassium element; a phosphorus element; at least one element M selected from the group consisting of an aluminum element and a boron element; a nitrogen element; and at least one halogen element. The molar ratio (A/P) of the content of the element A to the content of the phosphorus element is less than 3.74, and the molar ratio (N/P) of the content of the nitrogen element to the content of the phosphorus element is less than 0.33.

POWER STORAGE DEVICE, LID BODY, METHOD FOR MANUFACTURING LID BODY, AND METHOD FOR MANUFACTURING POWER STORAGE DEVICE

Resumen de: WO2025084426A1

This power storage device comprises: an electrode body; an exterior film that wraps the electrode body; and a lid body that seals the electrode body together with the exterior film. The lid body has: a lid main body that is configured to include a conductive material; a covering body that is configured to include a resin material and that covers a portion of the lid main body; and a joining body that joins the lid main body and the covering body.

HIGH-RELIABILITY FAST-CURING UV ADHESIVE FOR OUTER LAYER PROTECTION OF POWER BATTERY, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025081967A1

A high-reliability fast-curing UV adhesive for outer layer protection of a power battery, a preparation method therefor, and a use thereof. The UV adhesive contains an acrylate oligomer, a monofunctional acrylate monomer, a bifunctional acrylate monomer, a trifunctional acrylate monomer, an acrylate monomer containing an acidic functional group, a photoinitiator, and an optional additive, wherein the acrylate oligomer simultaneously contains dibasic acid-modified bisphenol A epoxy acrylate, tetrafunctional branched polyester acrylate, and polyurethane acrylate with polyester diol as a backbone. The resulting UV adhesive has a high curing rate, can be cured by means of an LED, is suitable for a high-precision ink-jet process, meets reliability requirements, such as insulation, voltage resistance, boiling resistance in water, and salt spray resistance, and bonding strength requirements, can replace a PET blue film as an insulating protective layer for outer layer packaging of a power battery, and leaves room for lightweight battery design.

POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND USE METHOD THEREFOR, AND ELECTRIC DEVICE

Resumen de: WO2025082088A1

A positive electrode material for a lithium secondary battery and a preparation method therefor, a positive electrode sheet, a secondary battery and a use method therefor, and an electric device. The positive electrode material for a lithium secondary battery comprises a base body and a modifier arranged on the surface of the base body. The base body comprises LixAsMn1-sP1-zEzO4, wherein 0＜x≤1.1, 0＜s≤1, 0≤z≤0.1, A comprises one or more elements selected from Ti, V, Zr, Fe, Ni, Mg, Co, Ga, Sn, Sb, Nb and Ge, and E comprises one or more elements selected from B, S, Si and N. The modifier comprises LiyMOd, wherein 1＜y≤6, 1＜d≤4, and M comprises one or more elements selected from Ni, Co, Fe, Mn, Zn, Mg, Ca, Cu, Sn, Mo, Ru, Ir, V, Nb and Cr.

BATTERY AND ELECTRIC DEVICE WITH SAME

Resumen de: WO2025082046A1

A battery (100) and an electric device (1000) with same. The battery (100) comprises a housing (110), a cover body (120), battery cells (140) and adapters, wherein the housing (110) and the cover body (120) define an accommodating cavity (130); the cover body (120) is provided with a first region (121) and a second region (122), which are arranged spaced apart and insulated from each other; the battery cells (140) are arranged in the accommodating cavity (130) and each comprises a positive tab (141) and a negative tab (142) which are arranged spaced apart in the circumferential direction of the battery cell (140); and a first adapter (150) is electrically connected to the first region (121) and the positive tab (141), a second adapter (160) is electrically connected to the second region (122) and the negative tab (142), and the first adapter (150) or the second adapter (160) comprises a connecting portion (161) electrically connected to the housing (110).

CURRENT COLLECTOR STRUCTURE AND BATTERY PACK

Resumen de: US2025132468A1

Proposed in the present disclosure is a current collector structure, including a positive current collector, in which the positive current collector includes a current collector body and a current collector leading-out tab connected to each other; in which the current collector body is provided with a center underflow hole through the current collector body in a thickness direction thereof, and an entire surface of a surface of the current collector body in the thickness direction is a welding surface configured to weld with a positive tab of a winding core. Proposed in the present disclosure is also a battery pack including the aforementioned current collector structure.

CURRENT COLLECTOR BRACKET ASSEMBLY FOR A PRISMATIC BATTERY

Resumen de: US2025132470A1

A battery cell stack assembly for a prismatic battery includes a plurality of monocells and two current collector bracket assemblies. Each monocell includes an anode electrode sheet having an outer perimeter and an anode cell tab and a cathode electrode sheet having a cathode cell tab. One of the current collector bracket assemblies electrically connect each of the anode cell tabs with one another and a remaining current collector bracket assembly electrically connects each of the cathode cell tabs with one another, and each current collect bracket assembly includes at least one arm that is positioned to electrically connect either two or more of the anode cell tabs or two or more of the cathode cell tabs to one another.

VEHICLE HAVING POSITIVE VENTILATION FOR A HIGH VOLTAGE BATTERY PACK FOR THERMAL RUNAWAY GAS EVACUATION AND DILUTION

Resumen de: US2025132457A1

A battery thermal management system including an air induction device for drawing air to a battery pack, a controller, a valve that opens to permit the air to enter the battery pack, and a temperature sensor for generating signals indicative of a temperature within the battery pack. Upon receipt of a signal from the temperature sensor that is indicative of the temperature within the housing being above a predetermined threshold, the controller is configured to instruct the air induction device to begin drawing the air, and instruct the valve to open to permit the air to enter the battery pack and cool each of the battery cells and dilute the battery gases generated by the plurality of battery cells.

SYSTEM FOR CALCULATING A MAXIMUM POWER LIMIT FOR A BATTERY PACK

Resumen de: US2025132406A1

A system for calculating the maximum power limit of a battery pack for an electric vehicle includes one or more controllers in electronic communication with the battery pack. A plurality of battery open circuit voltage look-up tables and a plurality of direct current internal resistance (DCIR) look-up tables are stored in memory of the one or more controllers.

POWER MODULE AND ELECTRICAL DEVICE

Resumen de: US2025132585A1

An power module includes a battery cell and a circuit board electrically connected to the battery cell. A number of the battery cell is one. The battery cell is configured to feed a first voltage to the circuit board. The battery cell includes a housing and an electrode assembly disposed in the housing. The circuit board includes a buck-boost circuit and at least two output terminals. The buck-boost circuit is configured to receive the first voltage and step up or step down the first voltage, so as to output at least two different second voltages to the at least two output terminals respectively. Each of the output terminals is configured to feed one of the second voltages to a drive circuit in a load electrically connected to the output terminal.

LITHIUM IRON PHOSPHATE ENERGY STORAGE BATTERY AND POSITIVE ELECTRODE PREPARATION METHOD

Resumen de: WO2025081558A1

The present invention relates to the technical field of energy storage batteries. Disclosed are a lithium iron phosphate energy storage battery and a positive electrode preparation method. The method comprises: adding a lithium iron phosphate material, a conductive agent, a binder, a power adjuvant, and a lubricant into a high-speed shear mixer for dry-state mixing; adding the mixed material into a double-shaft hot roller to be extruded into a film, wherein the thickness of the film is controlled at 80-300 um, the temperature of the double-shaft hot roller is controlled at 120-250°C, and the pressure is controlled at 10-25 T; attaching the film to an 8-20 um aluminum foil having undergone adhesive treatment on a surface, wherein the adhesive aluminum foil adhesive layer is 1-5 um, and the adhesive layer contains 70 wt% of conductive carbon and 30% of polymer glue; and carrying out hot pressing on the complex at 70-120°C to form a lithium iron phosphate positive electrode. The lithium iron phosphate energy storage battery comprises an aluminum case, a separator, an electrolyte, a positive electrode, and a negative electrode. According to the lithium iron phosphate battery positive electrode prepared in the present invention, the whole manufacturing process reduces energy consumption, protects the environment, and reduces the manufacturing cost of the whole battery cell. The present invention improves the high-rate characteristic and the cycle stability of the lithium iron ph

FERRIMANGANIC PYROPHOSPHATE AND PREPARATION METHOD THEREFOR, LITHIUM MANGANESE IRON PHOSPHATE AND PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: WO2025081344A1

A ferrimanganic pyrophosphate, which is of a laminar structure. A specific preparation process comprises: performing a coprecipitation reaction on a phosphorus source and a mixed metal salt solution according to a preset molar ratio of elements in ammonium manganese iron phosphate to prepare the ammonium manganese iron phosphate, and further calcining same to obtain the ferrimanganic pyrophosphate; and further preparing lithium manganese iron phosphate by taking the ferrimanganic pyrophosphate as a raw material. Also provided is a battery comprising the lithium manganese iron phosphate as a positive electrode material.

GENETIC ALGORITHM OPTIMIZATION-BASED FUZZY PID CONTROL METHOD, APPARATUS AND DEVICE

Resumen de: WO2025081556A1

A genetic algorithm optimization-based fuzzy PID control method and apparatus, and a device. The method comprises: S1, acquiring a preset standard electrode plate quality, a measured electrode plate quality and a system default ray intensity, acquiring an ambient temperature parameter, retrieving a monitoring index, and monitoring the stability of a surface density measurement system according to the monitoring index; S2, on the basis of a preset system parameter of the surface density measurement system, setting a data sampling interval; S3, on the basis of the data sampling interval, continuously sampling a number N of pieces of data using a median average filtering algorithm, removing extreme values, calculating the arithmetic mean value of the N-2 pieces of data, and eliminating sampling value deviation of the arithmetic mean value, to obtain surface density sampling data; S4, performing fuzzification processing on the surface density sampling data, determining a fuzzy rule, and performing optimization in real time according to the fuzzy rule and by means of fuzzy reasoning, to obtain applicable PID parameters; S5, on the basis of the applicable PID parameters, using a genetic algorithm to control a servo motor of the surface density measurement system. Thus, the technical problems of parameter tuning being difficult and the robustness of closed-loop control being low are solved.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE

Resumen de: WO2025084254A1

This nonaqueous electrolyte secondary battery includes an electrode group, a nonaqueous electrolyte, and an exterior body that houses the electrode group and the nonaqueous electrolyte. The electrode group includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The nonaqueous electrolyte includes a polymer material having a melting point or a thermal decomposition temperature of 200°C-500°C inclusive.

CELL BALANCE ADJUSTMENT METHOD AND CELL BALANCE ADJUSTMENT DEVICE FOR SERIES SECONDARY BATTERY

Resumen de: WO2025084257A1

Provided is a cell balance adjustment method for evening a charge state of a cell 2 in a secondary battery 3. All of the cells 2 constituting the secondary battery 3 are divided into a plurality of processing target groups 4 in a state in which a part of the cell 2 is included in an overlapping manner in the processing target groups 4 adjacent to each other. The method comprises: a capacitor charging step of charging a capacitor 8 by connecting the capacitor 8 to both end portions of the processing target group 4; and a capacitor discharge step of charging a processing target cell by connecting a predetermined processing target cell included in the processing target group 4 and the capacitor 8 and discharging the charge.

HEAT-INSULATING ELASTIC MEMBER, METHOD FOR MANUFACTURING HEAT-INSULATING ELASTIC MEMBER, AND SECONDARY BATTERY

Resumen de: WO2025084225A1

Provided is a heat-insulating elastic member that has a single-layer structure, the member exhibiting excellent thermal insulation and elasticity, including a predetermined amount of thermal insulation material and elastic material, and manufacturable under high productivity.　The heat-insulating elastic member is characterized by: having a single-layer structure; comprising 15-75 mass% of heat-resistant particles, and a total of 15-75 mass% of one or more kinds of organic elastic particles selected from rubber particles and resin particles; and having a porosity of 70-95% and a bulk density of 80-400 kg/m3. Alternatively, the heat-insulating elastic member is characterized by: having a single-layer structure; d comprising 15-75 mass% of heat-resistant particles, and a total of 15-75 mass% of one or more kinds of organic elastic particles selected from rubber particles and resin particles; being composed of an aggregate obtained through the aggregation of a plurality of heat-resistant secondary particles in which organic elastic particles are attached to the surfaces of the heat-resistant particles; and having voids formed between the plurality of heat-resistant secondary particles.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: WO2025084898A1

A battery pack according to an embodiment of the present invention comprises: a pack frame to which multiple battery modules are mounted; at least one venting unit positioned on at least one side surface of the pack frame; and at least one sound extinguishing unit positioned on the upper portion of the pack frame, wherein the sound extinguishing unit generates a low-frequency wave inside the pack frame toward the venting unit.

METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2025084889A1

According to exemplary embodiments, a method for manufacturing a secondary battery is provided. The method comprises performing a first-order approximation of an OCV with respect to a square root of time on the basis of a measured value of the OCV, and evaluating the quality of a battery cell on the basis of the first-order approximation.

SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025081751A1

A silicon-carbon composite material and a preparation method therefor, a secondary battery, and an electric device. The silicon-carbon composite material comprises a carbon matrix having a pore structure and a silicon-based material distributed in the pore structure. A button cell is used to charge and discharge the silicon-carbon composite material; a curve graph of a relationship between a differential value dQ/dV obtained by differentiating the charging and discharging capacity Q by using the voltage V of a charging and discharging curve of the button cell, and the voltage V is drawn; the maximum value of the differential value dQ/dV between 0.26-0.35 V is recorded as Va; the maximum value of the differential value dQ/dV between 0.42-0.52 V is recorded as VB; and the silicon-carbon composite material satisfies: VA/VB≥1.40. The cycle performance and the initial charging and discharging efficiency of the silicon-carbon composite material can be significantly improved.

BATTERY CELL, BATTERY, ELECTRICAL APPARATUS, COMBINATION APPARATUS AND METHOD, AND PROCESSING DEVICE

Resumen de: WO2025081754A1

The present application is applicable to the technical field of batteries (100), and provides a battery cell (10), a battery (100), an electrical apparatus, a combination apparatus (2100) and method, and a processing device (2000). The processing device (2000) is used for processing of batteries (100), and comprises the combination apparatus (2100). The combination method comprises: driving the combination apparatus (2100) to cause a portion of a separator (113) to be combined with and fixed to a first electrode sheet (111) and/or a second electrode sheet (112). The electrical apparatus comprises the battery (100); the battery (100) comprises the battery cell (10); the battery cell (10) comprises an electrode assembly (11); the electrode assembly (11) comprises first electrode sheets (111), second electrode sheets (112) and separators (113); the first electrode sheets (111) and the second electrode sheets (112) are alternately stacked or alternately stacked and wound; at least a portion of each separator (113) is arranged between a first electrode sheet (111) and a second electrode sheet (112), and a portion of the separator (113) is combined with and fixed to the first electrode sheet (111) and/or the second electrode sheet (112). In this way, only a portion of each separator (113) is used for the combination operation, and the remaining portion of the separator (113) is not used for the combination operation, ameliorating the problem of poor overall air permeability of the

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025081797A1

A battery cell, a battery, and an electric device. A battery cell (61) comprises: an electrode assembly (10), comprising a main body (11) and a tab (12), wherein the tab (12) is led out from at least one end of the main body (11) in a first direction (dr1); a casing (20) having a chamber for accommodating the electrode assembly (10), wherein the casing (20) comprises a shell (21) and a top cover piece (22), at least one end of the shell (21) in the first direction (dr1) is provided with an opening portion (21a), the top cover piece (22) covers the opening portion (21a), and the tab (12) is electrically connected to the top cover piece (22); and an insulating portion (30), which is at least partially arranged at the opening portion (21a) and comprises a first insulating part (31) located between the opening portion (21a) and the top cover piece (22).

DEVICE FOR CONNECTION DETECTION, JUMP STARTER APPARATUS, AND BATTERY CLIP

Resumen de: US2025132578A1

A device for connection detection is provided. The device includes: a power connecting end, in electrical connection with a power module; a load connecting end, in electrical connection with an external load; a switch circuit, electrically connected between the power connecting end and the load connecting end; a voltage control circuit, in electrical connection with the load connecting end and configured to output a voltage through the load connecting end; and a voltage detecting circuit, in electrical connection with the load connecting end and configured to measure voltage of the load connecting end and output a voltage detection signal, the voltage detection signal being configured to control an ON/OFF state of the switch circuit. A jump starter apparatus including the device for connection detection and a battery clip including the device for connection detection are further provided.

BATTERY INSULATOR, TOP COVER ASSEMBLY, AND BATTERY

Resumen de: US2025132472A1

Provided is a battery insulator, a top cover assembly, and a battery. The battery insulator includes a first member and a second member. The first member includes a first main body, an end of the first main body facing towards the second member is provided with two baffles at intervals. The second member includes a second main body, and an end of the second main body facing towards the first main body is provided with a mounting plate. The mounting plate is provided with a first pole hole in a penetrating manner, the first pole hole is configured to allow a pole of a battery to pass through, the mounting plate is movably disposed between the two baffles, the mounting plate and the two baffles define an accommodation groove, and the accommodation groove is configured to accommodate a tab connected to the cell.

METHOD FOR MANUFACTURING POWER STORAGE MODULE

Resumen de: US2025132475A1

A method for manufacturing a power storage module includes: a placing step of placing an electrode laminate on a restraint member so that a laminating direction runs along a vertical direction; a connecting step of connecting a first connection part so that a connecting portion of a second connection part with respect to a connected part is positioned on an upper side in the vertical direction than an opening; a supplying step of connecting a distal end part of a supply pipe for an electrolytic solution to the second connection part, and supplying the electrolytic solution to a space; and a conveying step of removing a recessed part of the supply pipe from the second connection part, and conveying a cell stack placed on the restraint member in a state in which the opening is connected to the first connection part.

SCALABLE BATTERY SYSTEM AND METHOD

Resumen de: US2025132577A1

Various control systems and methods are discussed including a method of controlling a battery pack id disclosed, the method optionally including: providing a plurality of battery strings each having an identical construction, each battery string including a plurality of battery cells connected in series, wherein each of the plurality of battery strings is connected to a respective pair of contactors; providing a sensor configured to measure at least one of a voltage and a current of each of the plurality of battery strings, wherein respective sensor is electrically connected to an electronic controller; and selectively controlling individually ones of the plurality of battery strings to meet a requirement with the electronic controller based upon measurement from each sensor.

STEEL SHEET FOR BATTERY CASES AND BATTERY CASE USING THE SAME

Resumen de: US2025132425A1

A steel sheet for a battery case includes about 0.02 wt % to about 0.08 wt % carbon (C); about 0.01 wt % to about 0.1 wt % niobium (Nb); and the balance of iron (Fe). Further aspects provide for a battery case manufactured from the steel sheet for a battery case and provided with an opening. Further aspects provide for a cylindrical secondary battery comprising a cylindrical case manufactured from the steel sheet for a battery case, a cap assembly sealing the cylindrical case, and an electrode assembly disposed inside the cylindrical case.

ELECTROCHEMICAL CELLS

Resumen de: WO2025081243A1

Disclosed herein is an electrochemical cell comprising a porous tubular support adapted to conduct electricity, a bore of the support defining an inner channel configured to receive a flow of a first fluid therethrough; a tubular outer electrode; an electrolyte comprising a porous membrane, the porous membrane separating the porous tubular support and the tubular outer electrode; current collectors for enabling an electrical current to flow through the cell; and a housing for the electrochemical cell, a space between the housing and the tubular outer electrode defining an outer channel configured to receive a flow of a second fluid therethrough.

RECOVERY METHOD FOR WASTE BATTERY POWDERS

Resumen de: WO2025081343A1

Provided in the present disclosure is a recovery method for waste battery powders. The recovery method comprises the following steps: (1) roasting waste battery powders, and extracting lithium from same by means of water leaching, so as to obtain a lithium-rich solution and lithium extraction residue; (2) screening the lithium extraction residue, so as to separately obtain a mixed metal material and a flotation material, mixing the flotation material, crystalline flake graphite and a solvent, adjusting the mass concentration thereof, and then adding a collecting agent and a foaming agent thereto, so as to obtain a slurry; (3) subjecting the slurry to a flotation treatment, screening same to obtain flotation foam and a positive electrode material, screening the flotation foam to obtain high-purity graphite, and recovering the crystalline flake graphite; and (4) repairing the high-purity graphite to obtain battery-grade graphite, and subjecting the positive electrode material to wet recovery, so as to obtain a battery-grade metal material. In the present disclosure, crystalline flake graphite is used as a carrier, and rapid and effective separation of graphite and positive electrode powders are achieved; and the crystalline flake graphite can be recovered after the recovery, thereby achieving the recycling of the carrier.

GAS VENTING DEVICE AND BATTERY PACK COMPRISING SAME

Resumen de: US2025132453A1

A gas venting device, and a battery module and a battery pack including same has a gradually reducing cross-sectional area of a flow path in a gas discharge direction so that a greater flow rate of gas can be discharged even when a venting disc having the same area is used.

BATTERY PASSPORT

Resumen de: US2025132404A1

Disclosed is an apparatus for producing a battery component associated with a battery passport: a collector configured to collect battery data associated with the component of the battery, wherein the component of the battery comprises a physical identifier; an assignor configured to assign the physical identifier to a decentral identifier for generating the battery passport associated with the produced component of the battery, a battery passport generator configured to generate the battery passport by receiving a request to provide a decentral identifier associated with battery data of at least the component of the battery and in response to the request, generating the battery passport including the decentral identifier and data related to battery data of at least the component of the battery.

METHOD FOR MANUFACTURING ELECTRIC POWER STORAGE MODULE

Resumen de: WO2025084153A1

This method for manufacturing an electric power storage module comprises a first inspection step for inspecting a module to be inspected within a chamber. In the first inspection step, the following inspections are performed simultaneously: a first airtightness inspection between a first cell and a first adjacent cell that includes an internal space adjacent to an internal space of the first cell, among a plurality of cells to be inspected; and a second airtightness inspection between the first cell and a second adjacent cell that includes a frame adjacent to a first cell frame, among the plurality of cells to be inspected.

BATTERY STATE ESTIMATION SYSTEM, BATTERY STATE ESTIMATION METHOD, BATTERY STATE ESTIMATION PROGRAM, AND RECORDING MEDIUM

Resumen de: WO2025084110A1

In the present invention, a battery model generation unit generates an internal model of a battery including the open-circuit voltage (OCV) on the basis of values of the terminal voltage of the battery measured at a plurality of times during a rest period after charging/discharging of the battery. A prediction unit predicts the terminal voltage of the battery and the OCV of the battery after a first set period of time on the basis of the generated internal model of the battery. A battery state estimation unit determines to take the OCV predicted from the internal model of the battery as an estimated value of the OCV of the battery if the error between the predicted value of the terminal voltage of the battery after the first set period of time from a time point of the prediction and the measured value thereof is less than a specific value.

SECONDARY BATTERY MANUFACTURING SYSTEM AND SECONDARY BATTERY MANUFACTURING METHOD

Resumen de: WO2025084890A1

According to exemplary embodiments of the present invention, a battery activating device is provided. The device includes: a driving part including a driving plate and driving rods configured to move the driving plate in a first direction; and a support part including a support plate and elastic elements connected to the support plate, wherein the support plate is spaced apart from the driving plate in the first direction and includes steps protruding in the first direction.

METHOD FOR MANUFACTURING POWER STORAGE DEVICE

Resumen de: WO2025084054A1

This method for manufacturing a power storage device includes: preparing an electrode group having current collectors 12 partially laminated with electrode active material layers; bringing exposed parts 12a of the current collectors 12 into contact with a first surface 21a of a current collector plate; and irradiating a second surface 21b of the current collector plate on a side opposite to the first surface 21a with laser light L to join the exposed parts 12a to the first surface 21a. The collectors 12 contain copper, the collector plate contains iron, and irradiation with the laser beam L is performed so that the temperature of at least a part of the first surface 21a is equal to or higher than the melting point of copper and lower than the melting point of iron.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025081749A1

Provided are a battery cell (20), a battery (100), and an electric device, relating to the technical field of batteries. The battery cell (20) comprises a first electrode sheet (231), separators (233), and a plurality of second electrode sheets (232). The first electrode sheet (231) is provided with a plurality of structurally weakened areas (234) extending in the width direction of the first electrode sheet (231). The separators (233) cover the surfaces on two opposite sides of the first electrode sheet (231). The plurality of second electrode sheets (232) are alternately arranged on the separators (233) on the two opposite sides of the first electrode sheet (231), wherein every two adjacent second electrode sheets (232) are located on different sides of the first electrode sheet (231) in the length direction of the first electrode sheet (231), and a corresponding structurally weakened area (234) is present between every two adjacent second electrode sheets (232); and the first electrode sheet (231) is folded at the plurality of structurally weakened areas (234), so that the first electrode sheet (231) and the plurality of second electrode sheets (232) are alternately stacked with each other.

END COVER ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: WO2025082040A1

An end cover assembly (21), a battery cell (20), a battery (100), and an electrical apparatus. The end cover assembly (21) comprises electrode terminals (26), end covers (27), and sealing members (28); the electrode terminals (26) each comprise a terminal portion (261) and a mounting portion (262) arranged at the periphery of the terminal portion (261); the mounting portion (262) is recessed towards the terminal portion (261) to form a notch (263); a through hole (271) for at least a part of the terminal portion (261) to be exposed is formed in each end cover (27); at least a part of each sealing member (28) is filled in the notch (263) and abuts against the end cover (27). The arrangement of the end cover assembly (21) can reduce the thickness of the end cover assembly, and the energy density of a battery cell is improved.

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2025081770A1

The present application applies to the field of batteries. Provided are an electrode assembly, a battery cell, a battery and an electric device. The electrode assembly (100) comprises a first electrode sheet (10) and a separator (20). The separator (20) comprises two separator layers (21) formed by folding, the two separator layers (21) respectively covering two opposite ends of the first electrode sheet (10) along the thickness thereof. Along the width of the first electrode sheet (10), each separator layer (21) is provided with a first edge portion (211) that extends beyond an end portion of the first electrode sheet (10), the first edge portion (211) being opposite a folded end of the separator (20). The first edge portions (211) of the two separator layers (21) are connected to each other and form a first joint portion (22). The electrode assembly provided in the embodiments of the present application can solve the problem of a short circuit occurring between adjacent electrode sheets due to the folding of a separator.

ULTRAHIGH-MOLECULAR-WEIGHT POLYETHYLENE POWDER AND MOLDED ARTICLE PREPARED BY MOLDING SAME

Resumen de: US2025132460A1

Provided is an ultrahigh-molecular-weight polyethylene powder having intrinsic viscosity IV of 1.0 dL/g or more and 33.0 dL/g or less, wherein average value Ts of swelling onset temperatures determined by specific methods is 90° C. or higher and 130° C. or lower.

BATTERY MODULE, AND ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: US2025132575A1

A battery module, and an energy storage system and a control method therefor. When a corresponding preset condition is satisfied, battery modules can be switched in or out of a system by means of the on-off of a main loop on-off control circuit and a bypass on-off control circuit, so that the battery modules currently connected into the system can be adjusted in real time, and thus the battery modules in the system can satisfy the corresponding preset condition one by one, namely achieving the same state (for example, achieving SOC equalization), without causing energy waste. Moreover, a main loop buffer circuit or a bypass buffer circuit is provided in the battery module, so that energy impact generated when the battery module is switched in or cut out of the system can be absorbed.

PROTECTION FILM FOR ALL-SOLID-STATE BATTERY

Resumen de: US2025132409A1

The present invention relates to a protective film for solid-state batteries, which is a protective film arranged to cover a heat seal part of a solid-state battery including a battery element having a solid electrolyte, a packaging material housing the battery element, the heat seal part being disposed to a peripheral portion of the packaging material, and which contains a hydrogen sulfide adsorbent.

FLAME-RETARDANT, THERMAL-INSULATING, AND FIREPROOF MATERIAL FOR BATTERIES

Resumen de: US2025132421A1

The present invention discloses a flame-retardant, thermal-insulating, and fireproof material for batteries, and relates to a silicone rubber flame-retardant and thermal-insulating material, which comprises a flame-retardant and thermal-insulating layer and an impact-resistant layer, wherein the flame-retardant and thermal-insulating layer comprises organic silicone rubber, a ceramic-forming filler, a flame retardant, an auxiliary agent, and glass powders with different initial melting temperatures, and molten-state temperature ranges of the glass powders cover 300° C. to 1500° C. Various glass powders with different molten-state temperature ranges are added to the material, so that when being burned to form a ceramic layer in the temperature range of 300° C. to 1500° C., the fireproof material always has glass powders in a molten state. The glass powders in the molten state can timely fill holes and cracks that appear at different temperatures in the ceramic layer, and ensure the continuity, integrity, and compactness of the ceramic layer as far as possible, so that the fireproof material has the characteristics of quick ceramic formation at a low temperature and high temperature resistance of about 1500° C. The problems that the existing glass powder has a single molten-state temperature range, holes are produced in the ceramic layer due to gasification of the glass powder at a high temperature, the structural compactness is reduced, and the ceramic layer is easily bur

BATTERY AND MODULE

Resumen de: US2025132471A1

A battery includes: a layer-type electrode body including a positive electrode sheet and a negative electrode sheet, the positive negative electrode sheets being alternately layered in a layering direction via a separator sheet; a laminate exterior body accommodating the electrode body; a positive electrode tab that projects from the laminate exterior body toward a first direction orthogonal to the layering direction, and that is electrically connected to the positive electrode sheets; a negative electrode tab that projects from the laminate exterior body toward another side in the first direction, and that is electrically connected to the negative electrode sheets; and an electrically insulating layer, wherein: the positive electrode current collector includes a positive electrode lead part, the electrically insulating layer is disposed at a surface of the positive electrode lead part, and the electrically insulating layer includes a binder and an electrically insulating filler.

ZONE CONTROL VALVE AND FIRE-FIGHTING SYSTEM

Resumen de: WO2024152562A1

A zone control valve and a fire-fighting system. The zone control valve comprises a valve body (100), a sealing diaphragm (200), and an electrical explosion driving device. A fluid flow path is formed inside the valve body (100), the fluid flow path is provided with an inlet (103) and an outlet (104), and the central axis of the inlet (103) and the central axis of the outlet (104) form an included angle; the sealing diaphragm (200) is sealedly arranged in the fluid flow path and divides the fluid flow path into a first flow channel (110) and a second flow channel (120); the electrical explosion driving device is mounted on the valve body (100), the output end of the electrical explosion driving device is in driving connection with a piercing member (31), and the piercing member (31) is located in the second flow channel (120) and directly faces the sealing diaphragm (200); the electrical explosion driving device can be electrically connected to an external control unit (400), and the external control unit (400) can send a starting signal, so that the electrical explosion driving device is turned on and drives the piercing member (31) to approach and pierce the sealing diaphragm (200).

BATTERY PACK WITH IMPROVED SAFETY

Resumen de: WO2024136322A1

A battery pack according to an embodiment of the present invention comprises: a cell module assembly comprising a battery cell stack configured by stacking multiple battery cells; an electric connection unit comprising a connector for electric connection of the battery pack; a pack case, the upper surface of which is open, the cell module assembly and the electric connection unit being contained in the pack case; and a fire-extinguishing tank covering the upper portion of the pack case. The pack case comprises a first connector through-hole portion formed through the lower surface of the pack case in the shape of an opening such that the connector can extend therethrough. The fire-extinguishing tank comprises a second connector through-hole portion extending upwards from the upper surface of the fire-extinguishing tank in a tube shape so as to penetrate the fire-extinguishing tank. The connector is positioned to extend through the first and second connector through-hole portions and thus is electrically connected between multiple stacked battery packs.

BATTERY PACK WITH IMPROVED SAFETY

Resumen de: WO2024136325A1

A battery pack according to an embodiment of the present invention comprises: a cell module assembly including a battery cell stack in which multiple battery cells are stacked; a pack case configured to receive the cell module assembly and including a venting port in at least one surface thereof; and an external cover configured to cover the at least one surface of the pack case and disposed to be spaced a predetermined distance apart from the outer surface of the pack case, wherein a venting passage, through which moves venting gas that is generated at the time of a thermal event of the battery cells, is formed in the space between the pack case and the external cover, and the venting gas is discharged to the outside through an open space between the pack case and the external cover, the open space being formed in at least one end of the external cover.

BATTERY PACK WITH IMPROVED FIRE PROTECTION PERFORMANCE

Resumen de: WO2024136324A1

A battery pack according to an embodiment of the present invention comprises: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case for accommodating the cell module assembly in an inner space; and a fire extinguishing unit that can extinguish a fire on the battery cell by supplying a fire extinguishing agent into the pack case when a thermal event of the battery cell occurs. The pack case includes at least one drain port on at least one of the edge of the bottom surface of the pack case in the length direction or the edge of the bottom surface of the pack case in the width direction.

METHOD FOR MANUFACTURING POWER STORAGE DEVICE, AND POWER STORAGE DEVICE

Resumen de: WO2025084055A1

This method for manufacturing a power storage device 1 includes: preparing an electrode group having a current collector 12 partially laminated with an electrode active material layer; bringing an exposed part 12a of the current collector 12 not covered by the electrode active material layer into contact with a first surface 21a of a current collector plate; and irradiating a second surface 21b of the current collector plate on the opposite side to the first surface 21a with laser light L to bond the exposed part 12a to the first surface 21a. The current collector plate has an inclined surface 60 extending obliquely with respect to an optical axis Ax of the laser light L in at least a part of a laser light L irradiation region 58 of the second surface 21b.

BATTERY CASE, HALF-ASSEMBLY FOR SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR MANUFACTURING SECONDARY BATTERY