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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 400 to 425 of 1358
Absstract of: EP4664541A1
The present application provides a battery, comprising electrode sheets, wherein each electrode sheet comprises a current collector, a first active layer, and a second active layer; the first active layer is located on at least one surface of the current collector; the second active layer is located on the surface of the first active layer away from the current collector; the first active layer and the second active layer each comprise an active substance and a gel electrolyte; the first active layer further comprises a swelling electrolyte provided with pores; part of the gel electrolyte in the first active layer is filled in the pores of the swelling electrolyte.
Absstract of: EP4664556A1
Provided in the present application is a secondary battery, comprising a positive electrode plate. The positive electrode plate is provided with a positive electrode active material. The positive electrode active material comprises an agglomerated positive electrode material and a monocrystalline-like positive electrode material. The agglomerated positive electrode material has a volume average particle size Dv50 of 8 µm-15 µm. The agglomerated positive electrode material has a primary particle size of 0.1 µm-0.6 µm. The monocrystalline-like positive electrode material has a volume average particle size Dv50 of 2.5 µm-4 µm. The monocrystalline-like positive electrode material has a primary particle size of 0.8 µm-2 µm. The mass ratio of the agglomerated positive electrode material to the monocrystalline-like positive electrode material is greater than or equal to 1. The present application also relates to a corresponding electrical device. The described secondary battery has a high energy density and an excellent cycle life.
Absstract of: EP4663316A1
An objective of the present invention is to provide a method for recycling a waste lithium-ion secondary battery, the method capable of recovering a raw material for a positive electrode material from a waste lithium ion secondary battery in an economical and eco-friendly manner, and powder including a valuable material component obtainable thereby. In order to achieve the above-described object, the method for recycling a waste lithium-ion secondary battery is characterized by including (a) loading an object to be heat-treated, which is at least a part of a waste lithium-ion secondary battery including a positive electrode material, into a heat-treatment furnace, (b) increasing the temperature inside the heat-treatment furnace to a range of 200 °C to 400 °C, (c) maintaining the increased temperature, and (d) discharging first powder produced after the completion of the heat treatment of the waste lithium-ion secondary battery, wherein the first powder includes valuable metal powder containing a valuable metal composition of the positive electrode material.
Absstract of: EP4664603A1
A battery cell stack assembly (1) for a battery module or a battery pack, the battery cell stack assembly having a longitudinal extension along a longitudinal direction, a width extension along a width direction (W) and a height extension along a height direction (H), the battery cell stack assembly comprising:- a plurality of prismatic battery cells (2), stacked next to each other in at least three longitudinally extending and parallel battery cell rows (R1, R2, R3),- a bottom support plate (3), wherein the at least three battery cell rows (R1, R2, R3) are supported on a support surface of the bottom support plate which faces upwardly in the height direction (H),- a first cooling plate (4), provided in a first longitudinally extending space (S1) in-between two adjacent battery cell rows (R1, R2) of the at least three battery cell rows (R1, R2, R3), and extending in the longitudinal direction and the height direction (H) such that it forms an intermediate wall between the two adjacent battery cell rows (R1, R2),- a first alignment element (32), provided in the first longitudinally extending space (S1) and below the first cooling plate, as seen in the height direction (H), wherein the first alignment element has an extension in the longitudinal direction corresponding to at least a portion of an extension of the first longitudinally extending space (S1) and is configured to align the two adjacent battery cell rows (R1, R2) with respect to the longitudinal direction (L), and- w
Absstract of: EP4665096A1
Vorgeschlagen wird ein Verfahren und eine Vorrichtung zur Entwärmung eines elektrischen Systems umfassend ein Erfassen einer zeitlichen Vorhersage eines Lastprofils, eine Berechnung einer benötigten Kühlleistung, und eine Anpassung der Kapazität eines Kühlungssystems mittels Ansteuerung dessen Anbindungskomponenten zu weiteren Kühlungssystemen, auf Basis der berechneten benötigten Kühlleistung. Die beschriebene innovative Lösung gestaltet den Wärmefluss von einer Hitzequelle zum Kühler effizienter und berücksichtigt gleichzeitig eine zeitliche Vorhersage der Anwendung, wie beispielsweise eines Lastprofils. Dies wird durch eine Wechselwirkung zwischen Kühlsystemen ermöglicht.
Absstract of: EP4664659A1
The present disclosure refers to a battery system (100) including a housing (10) and a plurality of battery cells (12) accommodated within the housing (10), each of the battery cells (12) including cell terminals (16), wherein the cell terminals (16) of neighboring battery cells (12) are electrically interconnected via electrical connecting elements (20), each electrical connecting element (20) including a first layer (22) contacting neighboring cell terminals (16) and a second layer (24) disposed on top of the first layer (22), wherein the first layer (22) has a first melting point and the second layer (24) has a second melting point, wherein the second melting point is lower than the first melting point.
Absstract of: EP4663707A1
Provided is a light-curable composition useful as potting compositions in battery assemblies. The composition comprises, optionally, one or more monofunctional (meth)acrylate monomers, a crosslinker selected from multifunctional oligomeric (meth)acrylates, aliphatic urethane (meth)acrylates, aromatic urethane (meth)acrylates, polyester (meth)acrylates, and epoxy (meth)acrylates, one or more adhesion promoters selected from glycidyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate acid phosphate, phosphonate ester-containing (meth)acrylic monomer, phosphate ester-containing (meth)acrylic monomer, silane, and (meth)acrylic acid. The composition further includes a photoinitiator, a flame retardant, and one or more hollow fillers.
Absstract of: EP4664663A1
A soldering structure and a soldering method for a battery cell, and a battery are provided, relating to the field of battery technology. The soldering structure for the battery cell includes a wound body; full electrode tabs, formed at ends of the wound body; and current collecting parts, soldered to sides, facing away from the wound body, of the full electrode tabs to form multiple solder joints; in which the multiple solder joints are arranged at equal arc distances along a winding direction of the wound body. The multiple solder joints are arranged at equal arc distances along the winding direction of the wound body, so that the solder joints can be uniformly distributed on the full electrode tabs along the winding direction, and a current can be uniformly transmitted into the wound body through the full electrode tabs, reducing the current loss.
Absstract of: EP4664665A1
Disclosed are a cylindrical battery cell, a battery pack and vehicle including the same, and a collector board. A cylindrical battery cell according to an embodiment of the present disclosure includes: an electrode assembly configured in a structure in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction; a cylindrical battery can configured to store the electrode assembly and having a through-hole formed thereon; a positive electrode collector board electrically connected to the positive electrode plate; a cell terminal connected to the positive electrode collector board through the through-hole of the battery can; and a negative electrode collector board electrically connected to the negative electrode plate, wherein a breaking induction portion is formed on the positive electrode collector board or the negative electrode collector board so that at least a portion of the positive electrode collector board or the negative electrode collector board is broken by gas generated inside the battery can.
Absstract of: EP4664667A1
The present application is applicable to the technical field of batteries, and provides a battery cell, a battery, and an electrical apparatus. The battery cell comprises a shell, an electrode assembly, an insulating structure, and a separation structure. The shell has an inner cavity, and the shell has a first wall; the electrode assembly is provided in the inner cavity; both the separation structure and the insulating structure are provided between the electrode assembly and the first wall; one of the insulating structure and the separation structure is provided with at least two first through holes, and the other is provided with second through holes respectively corresponding to the first through holes; the second through holes comprise an alignment hole, and the cross-sectional area of the alignment hole is greater than that of the corresponding first through hole, or the cross-sectional area of the alignment hole is greater than that of other second through holes. Since the battery cell provided in the present application is provided with the alignment hole, at least two positioning pins may be inserted between the insulating structure and the separation structure for positioning, resulting in more effective positioning.
Absstract of: EP4664550A1
Embodiments of the present application provide a positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate includes: a positive electrode current collector; a first coating which is arranged on a surface of at least one side of the positive electrode current collector and includes a first active material; a second coating which includes a second active material that is different from the first active material; and a conductive layer which is arranged between the first coating and the second coating and is used for isolating the first coating from the second coating. The performance of a battery including the positive electrode plate is improved.
Absstract of: EP4664562A1
Provided are a positive electrode plate and a preparation method therefor, a battery cell, a battery, and an electrical apparatus, belonging to the technical field of batteries. The positive electrode plate includes: a positive electrode current collector, a first film layer, a second film layer, and a third film layer, where the third film layer is located between the first film layer and the second film layer, the first film layer is located on a surface of at least one side of the positive electrode current collector and is closer to the positive electrode current collector than the second film layer; the first film layer includes a first active material, and the first active material includes a layered structure material; the second film layer includes a second active material, and the second active material includes at least one of an olivine structure material and a spinel structure material; and the third film layer is used for isolating the first active material from the second active material. The technical solutions in the embodiments of the present application are beneficial to enhancing the performance of the battery cell.
Absstract of: EP4663320A1
Die Erfindung betrifft eine Batteriewanne (1) für einen Batterieträger eines Elektrofahrzeuges, wobei die Batteriewanne (1) einen Boden (3) aufweist, und sich einstückig und werkstoffeinheitlich von dem Boden (3) erstreckend eine umlaufende Wand aufweist und optional einen außen umlaufenden von der Wand abstehenden Flansch (6), wobei die Batteriewanne (1) aus einer härtbaren Stahlblechplatine (13) als warmumgeformtes und pressgehärtetes Bauteil hergestellt ist, mit einer Zugfestigkeit Rm größer gleich 1250 MPa, dadurch gekennzeichnet, dass in einem jeweiligen Eckbereich (10) der Seitenwände (4, 5) zueinander die Zugfestigkeit Rm kleiner 1100 MPa ist.
Absstract of: EP4663819A1
A method for fabricating a metal oxide layer involves providing a metallic nitride substrate and performing electrochemical oxidation of the metallic nitride substrate in either an acidic or basic environment to form the metal oxide layer. This electrochemical oxidation process is characterized by a gas-evolving reaction that results in the formation and escape of nitrogen gas from the forming metal oxide layer such that a mesoporous 3D interconnected metal oxide structure comprising a 3D network of interconnected pores is formed. This method enables the creation of metal oxide layers with specific properties suitable for various applications, including but not limited to, use in batteries, and as electrodes in molecular synthesis.
Absstract of: EP4663587A1
Die Erfindung betrifft einen Greifer (10) zum Aufnehmen und Greifen von einzelnen blattförmigen Elektroden (50) im Zuge der Herstellung einer Batteriezelle, mit einer Saugvorrichtung (14) zum Ansaugen der jeweils zu greifenden Elektrode (50). Um ein prozesssicheres Zuführen aus einem Magazin vereinzelter Elektroden bei hoher Qualität des herzustellenden Batteriestapels zu ermöglichen schlägt die Erfindung gemäß einer Alternative vor, dass der Greifer (10) ein erstes Greifersegment (26.1) und ein zweites Greifersegment (26.2) aufweist, wobei die Saugvorrichtung (14) eine an dem ersten Greifersegment (26.1) angeordnete erste Saugeinrichtung (28.1) zum Ansaugen eines ersten Bereichs der zu greifenden Elektrode (50) und eine an dem zweiten Greifersegment (26.2) angeordnete zweite Saugeinrichtung (28.2) zum Ansaugen eines zweiten Bereichs der zu greifenden Elektrode (50) aufweist, wobei der Greifer (10) weiter eine Verschiebeeinheit (16) zum relativen Verschieben des ersten und zweiten Greifersegments (26.2, 26.2) mit wenigstens einer Richtungskomponente parallel zur Oberfläche der zu greifenden Elektrode (50) aufweist.
Absstract of: EP4664907A1
An image processing apparatus and an electrical connection mechanism, the image processing apparatus comprising an apparatus body, wherein the apparatus body is provided with a connection compartment, and the connection compartment is provided with an internal connecting assembly, the internal connecting assembly being electrically connected to both a power supply circuit and data communication circuit of the apparatus body. The image processing apparatus further comprises an external connecting assembly for detachably connecting to the connection compartment, the external connecting assembly being a power supply assembly or communication assembly. When the power supply assembly connects to the connection compartment, the power supply assembly electrically connects to the power supply circuit of the apparatus body by means of the internal connecting assembly and supplies power to the power supply circuit; when the communication assembly connects to the connection compartment, the communication assembly electrically connects to the data communication circuit of the apparatus body by means of the internal connecting assembly and performs data communication with the data communication circuit. While realizing the basic functions of power supply and data communication, the present invention can expand product usage forms, and also enables the product size to be minimized, thereby realizing a miniaturized product design.
Absstract of: EP4664133A1
A battery diagnosis apparatus according to an embodiment disclosed herein includes an information obtaining unit configured to obtain feature data of each of a plurality of battery cells and a controller configured to extract a latent variable from the feature data, perform a primary determination as to whether each of the plurality of battery cells is defective, based on a feature value corresponding to the latent variable, and perform a secondary determination as to whether each battery cell is defective, based on a result of the primary determination and a distribution of the feature value.
Absstract of: EP4664061A2
A monitoring device according to one embodiment disclosed herein may include a communication circuit, a processor, and a memory configured to store instructions, wherein, when executed by the processor, the instructions allow the monitoring device to acquire an image of a jelly roll including a positive electrode, a separator, and a negative electrode through the communication circuit, detect starting points of the positive electrode and the negative electrode from the image, and calculate input amounts of the positive electrode and the negative electrode included in the jelly roll based on the starting points.
Absstract of: EP4664567A1
Provided is a metal foil for a current collector that can have increased adhesiveness to an electrode mixture layer while maintaining the discharge capacity of a battery. The metal foil for a current collector according to the present disclosure includes a base material and a plurality of composite bodies held on the surface of the base material. The plurality of composite bodies include Ni particles having an average particle size of 20 µm or less, a sintered body formed by sintering a plurality of the Ni particles, and a resin with a volume% of 14.0 to 40.0. On a surface of the metal foil for a current collector, the number of peaks whose height from the surface of the base material is larger than 10 µm is 20.0 to 50.0 /mm, the peaks being identified through line roughness analysis.
Absstract of: EP4664717A1
An information terminal acquires a plurality of error items indicating an error that has occurred in each of a plurality of batteries determined on the basis of an operation history of a plurality of state items indicating a plurality of states of the plurality of batteries, when selection of one error item of one battery among the plurality of error items having been acquired is received, acquires a related state item indicating a state item related to the one error item selected from among the plurality of state items of the one battery, and displays an operation history of the related state item having been acquired.
Absstract of: EP4663451A1
A temperature management system and method for regulating the temperature of a thermal load. The temperature management system comprises a closed circuit and a main coolant pump configured to circulate a coolant through the closed circuit, wherein the closed circuit and the thermal load are thermally connected. The temperature management system is characterized in that a section of the closed circuit is divided into a main branch and a temperature management branch, wherein the main branch is configured to hold a constant differential pressure between its starting point and its endpoint independent of variations in flow and the temperature management branch comprises a cooling and/or heating module. In addition, a flow control module is configured to control the flow of coolant through the temperature management branch, such that a regulated flow that is associated with a target flow rate is directed through the temperature management branch while any remaining flow is directed through the main branch.
Absstract of: EP4664744A1
There is provided a battery module comprising: a housing, a first group of energy source units, wherein the energy source units are arranged in the housing along a first direction and connected in series, a second group of energy source units, wherein the energy source units are arranged in the housing along the first direction and connected in series and a third group of energy source units, wherein the energy source units are arranged in the housing along the first direction and connected in series, wherein the first group of energy source units is configured to output a first output voltage of the battery module for constituting a first phase of an AC signal, wherein the second group of energy source units is configured to output a second output voltage of the battery module for constituting a second phase of the AC signal, and wherein the third group of energy source units is configured to output a third output voltage of the battery module for constituting a third phase of the AC signal.
Absstract of: EP4664656A1
The present disclosure relates to a separator substrate, a separator, an electrode assembly and an electrochemical device, and the separator substrate according to an embodiment of the present disclosure has a predetermined range of surface roughness Sa. Accordingly, the separator using the same maintains high adhesion strength, and has improved resistance characteristics by reducing an amount of slurry impregnation when forming a porous coating layer.
Absstract of: EP4664614A1
A prismatic power storage device (1; 101) includes a case (4) having a case body (5) and a rectangular plate-shaped lid (6;106), an electrode body (2) housed in the case (4), a positive terminal member (7;107) extending out through a positive-electrode insert hole (6p,106p) provided in the lid (6;106), and a negative terminal member (8;108) extending out through a negative-electrode insert hole (6n;106n). The lid (6;106) includes a first safety valve (6s1;106s1) provided in a center (6C;106C) of the lid (6;106) and to be opened at a first operating pressure (P1), a second safety valve (6s2;106s2) provided on one side (LH1) relative to a central region and to be operated at a second operating pressure (P2) higher than the first operating pressure (P1), and a third safety valve (6s3;106s3) provided on the other side (LH2) relative to the central region and to be operated at a third operating pressure (P3) higher than the first operating pressure (P1).
Nº publicación: EP4664627A1 17/12/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Absstract of: EP4664627A1
The present invention relates to a secondary battery packaging interleaf and a secondary battery packaging box, and more specifically, relates to a secondary battery packaging interleaf and a secondary battery packaging box, capable of preventing damage to recognition codes of a plurality of accommodated cylindrical battery cells.In order to achieve the above-described objects, according to one example of the present invention, it is possible to provide a secondary battery packaging interleaf comprising a partition wall forming multiple accommodation spaces, in which multiple cylindrical battery cells with printed recognition codes are each accommodated, and provided with a contact prevention portion to be in no contact with the recognition code printed on the outer peripheral surface of the accommodated cylindrical battery cell, and a packaging box comprising the same.
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