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1045
resultados
Última actualización
22/03/2026 [07:01:00]
Resultados 525 a 550 de 1045
Resumen de: EP4712219A1
A battery, comprising: battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface facing the battery components and an outer surface opposite to the inner surface; and electrode leads electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case; the battery being characterized in that the outer surface of the inflatable pouch case is sealingly bonded to a surface of each of the electrode leads.
Resumen de: EP4712236A1
The present application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes: a housing, the housing including a first surface, a second surface, a third surface, and a flange, where the flange is disposed around the first surface and connected to the first surface, the first surface and the third surface are opposite each other, and the second surface is connected between the flange and the third surface; and an insulating film, wrapped around an exterior of the housing, the insulating film wrapping around at least a portion of the first surface, at least a portion of the flange, at least a portion of the third surface, and at least a portion of the second surface. The insulating film is folded from the flange to the second surface to form a first folded region, and the insulating film is folded from the third surface to the second surface to form a second folded region. Along a direction from the first surface to the third surface, a dimension of the first folded region is smaller than a dimension of the second folded region. The insulating film is also capable of sufficiently wrapping around the housing when the housing is provided with a flange.
Resumen de: EP4712254A1
A battery according to an embodiment of the present disclosure may include: an electrode assembly comprising an electrode tap having a vulnerable portion formed thereon; a battery housing configured to receive the electrode assembly through an opening formed on one side thereof; a current collector comprising a tap coupling portion electrically coupled to the electrode tap and a housing coupling portion electrically coupled to the battery housing; and a cap configured to cover the opening.
Resumen de: EP4712204A1
The present disclosure provides an energy release device and method for a power battery. The energy release method for a power battery comprises: acquiring a thermal runaway signal of battery cells in the power battery; and electrically communicating the power battery with a discharge element, so that the power battery is discharged to a maximum safe state of charge that satisfies a mild exothermic reaction under the condition of thermal runaway, or a state of charge below the maximum safe state of charge, wherein satisfying the mild exothermic reaction is that the temperature per unit volume of the battery cells in the power battery under the condition of thermal runaway does not exceed the temperature at which the thermal runaway is triggered. According to the solution provided by the present disclosure, the development of thermal runaway in a power battery pack can be effectively delayed, time is bought for passenger escape and subsequent thermal runaway control processing, meanwhile, the destructive power of thermal runaway is reduced, and the safety management capability of the power battery is improved.
Resumen de: EP4712178A1
Ein elektrochemisches Energiespeicherelement (12) weist einen hohlzylindrisch geformten Wickelverbundkörper (10) auf, der eine spiralförmige Struktur aus mindestens zwei spiralförmig um eine Wickelachse gewickelten Elektrodenbändern (14, 24) und mindestens einem zwischen den Elektrodenbändern (14, 24) angeordneten Separatorband (38, 40) aufweist. Der hohlzylindrisch geformte Wickelverbundkörper (10) umfasst zwei endständige Stirnseiten (34, 36), eine umlaufende äußere Verbundkörpermantelfläche (42), und einen axial ausgerichteten Hohlraum (46) im Zentrum des Verbundkörpers (10), in dem ein elektrisch leitender Wickelkern (50) angeordnet ist. Der Wickelverbundkörper (10) ist in einem zylindrischen Gehäuse (60) mit einem Boden (61) und einem Deckel (62) angeordnet, derart, dass die Stirnseiten (34, 36) in Richtung des Bodens (61) und des Deckels (62) weisen. Das Energiespeicherelement (12) umfasst weiter elektrisch leitende Kontaktelemente (70, 80), die flach auf den Stirnseiten (34, 36) aufliegen.Es wird vorgeschlagen, dass der Wickelkern (50) derart ausgebildet und/oder angeordnet ist, dass er bei axialer Deformation des Gehäuses (60) das erste elektrisch leitendes Kontaktelement (70) und das zweite elektrisch leitende Kontaktelement (80) elektrisch verbindet.
Resumen de: EP4712180A1
Disclosed is an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly has a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound. An outermost coated portion is the coated portion of the first electrode. A winding end of the separator extends further from the winding end of the coated portion of the first electrode. A fixing member is attached to the winding end of the separator along the axial direction from a point spaced apart from the axial end of the separator. When the winding end corner of the separator is folded as much as possible with the axial end of the fixing member acting as a folding bias point so that its outer surface faces the outer circumference, the winding end corner of the coated portion of the first electrode is not exposed to the outside.
Resumen de: EP4712194A1
A manufacturing method and apparatus for an all-solid-state battery are disclosed, which allow for isostatic pressing without causing cell distortion, thereby preventing cracks in the electrode and electrolyte layers. The manufacturing method for the aforementioned all-solid-state battery includes the steps of: (a) arranging a lower jig with an opening formed in its center portion; (b) accommodating the cup part of a pouch cell downward into the opening of the aforementioned lower jig, and placing the sealing part located on the outer periphery of the aforementioned cup part on the upper surface of the aforementioned lower jig, thereby fixing the aforementioned pouch cell; (c) fixing an upper jig with an opening formed in its center portion on top of the aforementioned lower jig so that the openings overlap and the sealing part of the pouch cell is compressed; and (d) isostatically pressing the aforementioned pouch cell while the pouch cell is seated in the upper jig and lower jig.
Resumen de: WO2025010459A1
The invention relates to a method (100), a computer program product, a control system (10) and a battery charging system (90) for determining a charging current limit for a charging process of a rechargeable battery device (1000). In this case, measurement parameters (MP) are recorded at the battery device (1000). Furthermore, battery parameters (BP) are determined by means of a process physics-based battery model on the basis of the recorded measurement parameters (MP). Furthermore, prediction parameters (VP) for the onset of metal plating at an electrode (1001, 1002) of the battery device (1000) are determined with the aid of a prediction model, in particular a data-driven prediction model, wherein at least one forecast onset time of metal plating is determined as prediction parameter(s) (VP) on the basis of at least the battery parameters (BP) as input parameters of the prediction model. Control parameters (KP) for controlling the charging process are determined with the aid of a control model, which is likewise in particular a data-driven control model, wherein on the basis of the measurement parameters (MP), the battery parameters (BP) and the prediction parameters (VP), the charging current limit is determined as the at least one control parameter (KP) and the determined charging current limit for specifying the charging current is output to a battery charging system (90).
Resumen de: EP4712179A1
A manufacturing method of a battery module including a step of attaching an adhesive to a battery cell includes a tape supply step in which a laminated tape having a release paper placed on one side and a sheet-like adhesive placed on the other side is continuously supplied to pass through a roller, and is supplied so that the release paper contacts the roller; an adhesive step in which a gripper gripping the battery cell glides over the roller so that the adhesive comes into contact with one surface of the battery cell, and thus the adhesive is separated from the release paper and adhered to the battery cell; and a cutting step in which the adhesive is cut by the ascent of the gripper, wherein the adhesive has a concave portion with a concave shape formed on the contact surface with the release paper so that the thickness is reduced compared to other places.
Resumen de: WO2024230864A1
The invention relates to a device (1) for checking the tightness of electrochemical cells (2), in particular with regard to H2 tightness. The device has a chamber (3) for accommodating and checking at least one electrochemical cell (2). For the purpose of the check, the chamber (3) is subjected to a vacuum. A unit (6) for gas supply is provided, which supplies an electrochemical cell (2) to be checked with compressed air, as a result of which the interior of the electrochemical cell (2) is pressurized. This is made possible particularly advantageously in that the pressure difference between the interior of the cell (2) having the excess pressure and the chamber (3) having the vacuum is particularly high and is additionally varied periodically. As a result, there is a particular incentive for a periodically varying gas transfer between the interior of the cell (2) and the chamber (3) under vacuum, which allows for the tightness to be checked particularly advantageously and meaningfully. The pressure sensor (7) allows for a periodic pressure increase in the chamber (3) to be detected and to be analyzed by means of the control unit (8), and for meaningful information regarding insufficient tightness to be obtained, without interference by non-periodic interfering effects, and made available to the user. The device according to the invention can detect very minor leaks, which for example lead to leakage rates in the range of 10-4 mbar per liter of the volume and per second, and a
Resumen de: CN121100283A
The present invention relates to a battery charge level detection module (1) comprising: an ammeter (10) comprising a magnetometer (15) and a current measurement device (18), a voltmeter (20) comprising a first contact terminal (22), a second contact terminal (24) and a voltage measurement device (28), a temperature sensor (30) comprising a temperature sensor (30), a housing (50), a first attachment (52) and a second attachment (52), the invention relates to a magnetometer (10) comprising a housing (50) intended to be attached to a first interconnection line row (82) and a second interconnection line row (84), the housing (50) having a housing (58) housing a magnetometer (15), the housing (52) being intended to be received in a measurement aperture (83) of the first interconnection line row (82), a first attachment (52) for attaching the housing (50) to the first interconnection line row (82), and a second attachment (52) for attaching the housing (50) to the second interconnection line row (84). And a second attachment (54) for attaching the housing (50) to a second interconnection line row (84).
Resumen de: EP4712147A1
Example embodiments of the present technology provide a roll map generating method. The roll map generating method includes collecting first data, which represents a first event of an electrode sheet where a roll-to-roll process is performed, in a first memory region, and copying the first data to a second memory region.
Resumen de: EP4712297A1
An energy storage battery and a control method thereof. The energy storage battery includes battery groups connected in parallel, and each battery group includes batteries connected in series. Each battery includes a charge and discharge circuit, including a storage battery, a first switch, and a second switch, and the first switch and the second switch are used to control conduction of a connection line between two batteries. The batteries are connected in series to form the battery groups, and the battery groups are connected in parallel to form the energy storage battery, such that when the energy storage battery operates, each battery independently controls the on-off of its first switch and second switch to control the conduction of connection lines between the battery and other batteries, thereby allowing each battery of the energy storage battery to be freely extended. When a certain battery has a fault, it is merely required to control the battery group including the battery and to disconnect and repair the faulty battery, thus improving the overall operation efficiency of the energy storage battery.
Resumen de: EP4711782A1
A battery management apparatus according to an embodiment disclosed herein includes a sensor configured to obtain a voltage of a battery unit and a controller configured to generate a differential profile for a first differential value that is variance of the voltage with respect to a variance of a state of charge (SOC) of the battery unit, based on the SOC and the voltage of the battery unit, detect an SOC corresponding to each of second differential values included in a threshold range among second differential values obtained by differentiating the differential profile, detect, from the differential profile, peak values of the differential profile among first differential values corresponding to the detected SOC, and determine a state of the battery unit based on the peak values of the differential profile.
Resumen de: EP4712247A1
Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the first base film and the second base film, the coating includes an ion-trapping agent, and a reduction potential of the ion-trapping agent relative to lithium metal is 0 V to 2 V. A secondary battery containing the separator exhibits improved cycling performance.
Resumen de: EP4712171A1
An electrode current collector according to the present invention comprises a resin layer; a first metal layer disposed on one side of the resin layer; and a second metal layer disposed on the other side of the resin layer, wherein each of the first metal layer and the second metal layer independently has a thickness of 3.0 µm or less, and a ratio (T<sub>R</sub>/T<sub>M</sub>) of a thickness (T<sub>R</sub>) of the resin layer to a thickness (T<sub>M</sub>) of the first metal layer or the second metal layer is 1 to 24, and the electrode current collector has advantages in greatly contributing to improving the safety of the battery, reducing electrical resistance even with a structure in which a resin layer is interposed between metal layers, and improving weldability.
Resumen de: EP4712162A1
The present invention relates to a positive electrode active material for all-solid-state batteries, and a positive electrode for all-solid-state batteries and an all-solid-state battery comprising same.
Resumen de: EP4712285A1
A power management device according to an embodiment of the present invention is a power management device for managing the power of a battery included in a transportation means, and may comprise: at least one processor; and a memory for storing at least one instruction executed through the at least one processor. The at least one instruction may include: an instruction for classifying and storing information on the charging power of the battery according to energy type; an instruction for, when a power transaction request for charging power of a specific energy type is received, determining whether to agree to the power transaction on the basis of the amount of the charging power of the specific energy type; and an instruction for checking the amount of power discharged by the battery in response to the power transaction when the power transaction is agreed to.
Resumen de: EP4712292A1
An operation support apparatus, according to an embodiment of the present invention, is an operation support apparatus for an energy storage system and may comprise at least one processor, and a memory storing at least one instruction that is executed by the at least one processor. The at least one instruction may include the instructions of: collecting information about batteries that can be applied to the energy storage system; deriving, on the basis of the structure of the energy storage system, a plurality of combinations, each including one or more batteries that can be applied to the energy storage system; calculating an operating cost of the energy storage system for each of the combinations; and generating recommended combination information including information about a combination that, among the combinations, represents the minimum operating cost.
Resumen de: EP4712249A1
An implantable medical device, comprising: a device housing comprising a first enclosure and a second enclosure coupled to the first enclosure; a circuit board fixed within the first enclosure of the device housing and having a first terminal; a battery that has a battery housing positioned within the second disclosure of the device housing, and having a battery terminal, a battery connector (208) positioned within the second enclosure of the device housing and comprising a battery connector body (220) that is affixed directly to the device housing; and at least one electrical conductor affixed directly to the battery connector body (220), the at least one electrical conductor electrically couples the battery terminal to the first power terminal and has a pin portion that forms a conductive pin (226, 228) that extends beyond the battery connector body and electrically couples to the first power terminal, and a plate portion forming a conductive plate (222, 224) electrically coupled to the battery terminal.
Resumen de: EP4712195A1
Disclosed are an electrode assembly having an insulating tape attached thereto, the electrode assembly including an electrode stack constituted by a plurality of positive electrodes and a plurality of negative electrodes stacked alternately with a separator disposed therebetween, a positive electrode lead coupled to a positive electrode tab bundle constituted by positive electrode tabs protruding respectively from outer peripheries of the plurality of positive electrodes and overlapping each other, a negative electrode lead coupled to a negative electrode tab bundle constituted by negative electrode tabs protruding respectively from outer peripheries of the plurality of negative electrodes and overlapping each other, a first insulating tape attached to at least a part of an upper surface of the electrode stack, to an upper surface of a positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to an upper surface of a negative electrode coupling portion where the negative electrode tab bundle and the negative electrode lead are coupled to each other, and a second insulating tape attached to at least a part of a lower surface of the electrode stack, to a lower surface of the positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to a lower surface of the negative electrode coupling portion where the negative electro
Resumen de: EP4712243A1
Disclosed is a battery pack. The battery pack includes a base plate; a first battery module installed on an upper surface of the base plate; and a partition wall including a fixed wall installed on the upper surface of the base plate and having an opening facing the first battery module and a moving wall covering the opening and installed movably.
Resumen de: EP4712202A2
This application relates to a secondary battery, and a battery module, a battery pack, and an electric apparatus containing the same. The secondary battery includes: an electrolyte having a specific percentage of a low-viscosity solvent, a specific percentage of a high-dielectric-constant solvent, and a negative electrode having a negative electrode active material layer, and the secondary battery satisfies the relational expression: 1×10−4≤B×C×POI×CW≤1×10−3, where B is the percentage of the low-viscosity solvent in total solvent in the electrolyte by mass; C is a percentage of an electrolyte salt in the electrolyte by mass; P is a porosity of the negative electrode active material layer; CW is a coating weight of the negative electrode active material layer, measured in mg/cm<2>; and OI is an orientation index of the negative electrode active material layer, where OI=C004/C 110, C004 is a peak area of a 004 characteristic diffraction peak in an X-ray diffraction pattern of the negative electrode active material layer, and C110 is a peak area of a 110 characteristic diffraction peak in the X-ray diffraction pattern of the negative electrode active material layer.
Resumen de: EP4712248A2
Disclosed herein relates to a battery pack for accommodating a battery module, including: a pack case in which a battery module settles; wherein the pack case includes: a main separation wall; a base plate coupled to the main separation wall and including a module area wherein the battery module is settled; and a side wall coupled along a perimeter of a base plate coupled to the main separation wall; wherein the main separation wall includes an insulating material with low thermal conductivity.
Nº publicación: EP4712230A2 18/03/2026
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd
Resumen de: EP4712230A2
A battery pack (100) includes:a pack unit body (140) including at least one battery cell (141);a first cooling plate (110) including a first cooling path (111), along which a refrigerant is circulated, and a first inlet pipe (112) connected to the first cooling path (111);a second cooling plate (120) including a second cooling path (121), along which a refrigerant is circulated, and a second inlet pipe (122) connected to the second cooling path (121) and sealingly coupled to the first inlet pipe (112);a main supply pipe (130) branching from the first inlet pipe (112) or the second inlet pipe (122) and supplying a refrigerant to the first inlet pipe (112) and the second inlet pipe (122);a side frame (170) facing the pack unit body (140);a cover member (180) disposed between at least of the first cooling plate (110) or the second cooling plate (120) and the pack unit body (140) to cover the pack unit body (140); anda partition wall frame(171) connected to the side frame (170) such that a third venting hole (171a) opens toward the pack unit body (140),wherein the side frame (170) has a first venting hole (170a) and a second venting hole (170b) connected to the outside; andwherein the partition wall frame (171) has the third venting hole (171a) connected to the first venting hole (170a) .
BOPI
Sede Electrónica
