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1333
resultados
Última actualización
25/04/2026 [08:39:00]
Resultados 450 a 475 de 1333
Resumen de: EP4729964A1
Disclosed is a battery diagnosing apparatus and a battery diagnosing method. The battery diagnosing apparatus includes a data obtaining unit configured to obtain a first profile representing a capacity-voltage relationship of a battery cell containing an active material with a multi-phase characteristic, and a processor configured to generate a plurality of comparison profiles based on a plurality of electrode profiles included in an electrode profile map. The processor is configured to select, as a second profile, one comparison profile from the plurality of comparison profiles by comparing each of the plurality of comparison profiles with the first profile, and determine a negative electrode loading amount as a diagnostic factor representing a degradation state of the battery cell based on the second profile.
Resumen de: EP4730937A1
This application provides a heat dissipation plate, a middle frame, and an electronic device. The heat dissipation plate includes a first cover, a second cover, a capillary structure, and a cooling medium. The second cover includes a middle region and an edge region disposed around the middle region, and the middle region includes a shaping region and an accommodation region connected to the shaping region. The edge region is fastened to the first cover, and the accommodation region of the middle region and the first cover are spaced from each other and enclose an accommodation cavity. The capillary structure is fastened to the first cover and located in the accommodation cavity, and the cooling medium is disposed in the accommodation cavity. The shaping region of the middle region is fastened to the first cover. In this way, when the accommodation region of the second cover is not flat, an acting force may be applied to the shaping region of the second cover, so that flatness of the accommodation region of the second cover can be adjusted to a specification, to greatly improve a yield in flatness of the heat dissipation plate, and further help resolve a problem that the heat dissipation plate pushes against a display and a problem of debonding of a battery.
Resumen de: EP4730510A1
0001 The present disclosure relates to a battery module including: a cell assembly including a plurality of battery cells; a module terminal electrically connected to the plurality of battery cells and disposed on at least one of six sides of the cell assembly; and a module frame configured to receive the cell assembly and including a first frame configured to cover some of the sides of the cell assembly, as well as a side of the cell assembly where the module terminal is disposed, and a second frame configured to cover remaining sides of the cell assembly.
Resumen de: EP4730529A1
0001 The present disclosure relates to a battery module including: a cell assembly including a plurality of battery cells stacked in a first direction; and a module frame including a first frame and a second frame configured to be coupled to each other along a second direction horizontally orthogonal to the first direction so as to store the cell assembly.
Resumen de: EP4730422A1
0001 A negative electrode according to an aspect of the present invention comprises: a negative electrode active material layer; a first protective layer; and a second protective layer, wherein the negative electrode active material layer includes at least one of lithium or a lithium alloy, the first protective layer includes a polyalkylene oxide, the second protective layer includes a polyvinylidene fluoride-based polymer, and the second protective layer has a porosity of 10% or less. In the negative electrode, the growth of lithium dendrites is suppressed and porosification is prevented. In addition, the negative electrode can have high ion conductivity even when including the protective layers, and can ensure stability and excellent mechanical strength.
Resumen de: EP4730508A1
ProblemTo provide techniques that are capable of making the external dimensions of an outer case of a battery pack more compact.SolutionA battery pack (4) is mountable on an electronic device (16) or a charger (6), which each have a terminal-mounting surface (10; 20), by sliding the battery pack in a first direction (D1) that is parallel to the terminal-mounting surface. The battery pack comprises a plurality of battery-side terminals (12) and an outer case (24). Assuming that a direction that is orthogonal to the first direction and is the direction from the battery pack toward the terminal-mounting surface is defined as a second direction (D2), the outer case comprises: a first wall (88) that is disposed in the first direction relative to the battery-side terminals; a second wall (84) that is disposed in the second direction relative the battery-side terminals, and connects to the first wall; and a plurality of slits (90a, 90b, 90c, 90d, 90e), which pass through portions of the first wall and the second wall. The first wall has: first flat-wall portions (92); and second flat-wall portions (96) that are adjacent to the first flat-wall portions in a third direction (D3) that is orthogonal to both the first direction and the second direction. The second flat-wall portions are offset from the first flat-wall portions in a fourth direction (D4) that is opposite the first direction.
Resumen de: EP4730490A1
0001 Disclosed is a battery pack. The battery pack includes a base plate; a lower battery module positioned on an upper surface of the base plate; an inner cover including a top part that covers an upper surface of the lower battery module and has a flow path formed therein; and an upper battery module installed on an upper surface of the inner cover.
Resumen de: EP4730487A1
The present disclosure relates to a battery module including: a cell assembly including a plurality of battery cells; a module case configured to store the cell assembly; and a thermally conductive adhesive interposed between the cell assembly and the module case and configured such that a thermal-propagation inhibition section, at least a portion of which is thermally decomposed at a reference temperature, gradually expands.
Resumen de: EP4729225A1
The present application relates to a welding device (1) which includes a driving portion (10) that generates ultrasonic waves, a welding horn (20) connected to the driving portion (10), and an anvil, wherein the welding horn (20) is configured to be positioned on one side of a welding object and the anvil is configured to be positioned on an other side of the welding object, wherein the welding horn (20) and the anvil, together, are configured to pressurize the welding object, wherein the welding horn (20) includes a body portion (21), a welded portion formed along an outer surface of the body portion (21), wherein the welded portion includes a first welded portion formed along the outer surface of the body portion, and a second welded portion formed on one side of the first welded portion. A method of manufacturing an electrode is also described.
Resumen de: EP4730550A1
A secondary battery, a battery module, and/or a method for manufacturing the secondary battery are disclosed. A secondary battery includes a case accommodating an electrode assembly, and a terminal coupled to the case, and the terminal includes a softened region. The softened region is formed on an upper surface of the terminal in which the terminal is scheduled to be connected to a busbar.
Resumen de: EP4730494A1
0001 A secondary battery, including an electrode assembly including a plurality of electrode plates, a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly, and at least one injection hole in the second surface of the battery can.
Resumen de: EP4730519A1
0001 Strip shape battery modules (200) are provided that can be positioned between cross beams (302) of a trailer (300), a cargo compartment (412) of a truck, etc. The strip shape battery modules can be connected so as to provide suitable power to a transport climate control system (800). The strip shape battery modules can be positioned at a ground clearance of 700 millimeters or more. The strip shape battery modules can be secured using skid plates (310) covering connections and locking the modules in place.
Resumen de: EP4730538A1
0001 A battery module according to an embodiment of the present disclosure may include: a plurality of battery cells; a module terminal configured to be electrically connected to the plurality of battery cells; a module frame configured to store the plurality of battery cells, and including a first plate having a first venting hole formed therein and a second plate having the module terminal provided therein; and a frame cover including a first cover configured to cover at least the first plate, and a second cover connected to the first cover so as to cover at least the second plate.
Resumen de: EP4730537A1
0001 Disclosed is a battery pack. The battery pack includes a base plate; a side wall installed on an upper surface of the base plate and forming an inner space; a first battery module installed in the inner space; and a partition wall configured to partition the inner space and having a first hole facing the first battery module and a first flow path communicating with the first hole.
Resumen de: EP4730489A1
0001 The technical idea of the present disclosure provides a battery pack. The battery pack includes: a first side frame including a first inlet channel and a first outlet channel; a center frame including a first center channel communicating with the first inlet channel; a front frame including a first front channel communicating with the first outlet channel; a first cell assembly disposed between the center frame and the front frame; and a top cover covering the first cell assembly and including a first upper channel connecting the first center channel to the first front channel.
Resumen de: EP4729969A1
0001 A battery management apparatus according to the present disclosure includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between resistance and voltage of a battery; and a control unit configured to determine a voltage pattern and a resistance pattern of the battery based on the battery profile, compare at least one of the voltage pattern and the resistance pattern with a preset diagnosis rule, and diagnose a state of the battery based on the comparison result.
Resumen de: EP4729479A1
0001 The present invention relates to activated carbon having a specific surface area calculated by a BET method from a nitrogen adsorption/desorption isotherm of 1150 m<2>/g to 2200 m<2>/g, an adsorption amount of vitamin B12 when the activated carbon is brought into contact with a 300 ppm aqueous vitamin B12 solution for 24 hours of 10.2 mg/mL to 50 mg/mL, and a content of chlorine of 2500 ppm or less.
Resumen de: EP4730540A1
0001 The present disclosure provides a separator for an electrochemical device and an electrochemical device including the same, the separator capable of, by securing adhesion between the separator and an electrode, achieving an electrode adhesive layer with low resistance while improving lifetime properties, and improving electrolyte liquid impregnation. 0002 The separator for an electrochemical device according to one embodiment of the present disclosure includes a porous layer; and an electrode adhesive layer formed on at least one surface of the porous layer, wherein the electrode adhesive layer includes a particle-type binder in a disk shape with a convex central portion, and the particle-type binder has a short axis of 50 nm to 500 nm.
Resumen de: EP4729963A1
0001 Disclosed is an apparatus for diagnosing a battery, which includes a profile obtaining unit configured to obtain a differential profile representing a correspondence relationship between a differential capacity and a voltage of a battery; and a control unit configured to determine a target peak in the differential profile, calculate a first capacity and a second capacity of the differential profile based on the target peak, calculate a capacity ratio between the first capacity and the second capacity, and compare the calculated capacity ratio with a reference capacity ratio stored in advance to diagnose a state of the battery.
Resumen de: EP4730406A1
The present technology provides an electrode manufacturing apparatus including an unwinder around which an electrode sheet is wound, a rewinder configured to recover and wind the electrode sheet, a plurality of guide rolls configured to guide the electrode sheet to be moved between the unwinder and the rewinder, a rolling device provided between the unwinder and the rewinder, and including an upper rolling roll and a lower rolling roll that are configured to roll the electrode sheet, and a conveyor transfer device configured to move a connection sheet attached to one of two parts of the electrode sheet that are separated from each other, in which the conveyor transfer device is configured to move the connection sheet through a rolling gap between the upper rolling roll and the lower rolling roll.
Resumen de: WO2025029803A1
A thermal barrier, and associated methods for making the same are disclosed. In one aspect, a thermal barrier includes a porous material. One aspect of a thermal barrier includes an aerogel material. Aspects of thermal barriers are shown that include a conformal coating over an outer porous surface of an isolation material layer, wherein the conformal coating penetrates the outer porous surface of the isolation material layer to a penetration depth.
Resumen de: EP4730414A1
The present invention provides a positive electrode having high safety and favorable rate characteristics in a lithium secondary battery. The present invention relates to a positive electrode for a lithium secondary battery, which includes a current collector film including a resin layer and a metal layer provided on each of both surfaces of the resin layer and a positive electrode mixture layer formed on the current collector film, in which the positive electrode mixture layer contains first positive-electrode active material particles having a median diameter D50 of 10 µm or more and 25 µm or less, second positive-electrode active material particles, and two or more kinds of binders, a median diameter D50 ratio of the second positive-electrode active material particles to the first positive-electrode active material particles is 0.75 or less, and a mass ratio of the first positive-electrode active material particles to the second positive-electrode active material particles in the positive electrode (a content of the first positive-electrode active material particles in the positive electrode/a content of the second positive-electrode active material particles in the positive electrode) is 1.5 or more and 9.0 or less.
Resumen de: EP4730405A1
A battery cell manufacturing device according to an embodiment of the present disclosure may include: a first pressure roll that rotates around a first rotation shaft, a second pressure roll that forms a rolling interval through which a substrate passes together with the first pressure roll, and rotates around a second rotation shaft, a first sensor that measures a thickness of a substrate, and a second sensor that measures a load of at least one shaft of the first rotation shaft connected to the first pressure roll and the second rotation shaft connected to the second pressure roll.
Resumen de: EP4730402A1
0001 The present invention relates to an electrode preparation apparatus including a roll-to-roll process, which includes an unwinding unit in which an electrode current collector and a process film are sequentially wound around an outer circumferential surface of a feeding roller, the unwinding unit configured to continuously supply the electrode current collector; and an active material forming unit configured to form an active material layer on a surface of the electrode current collector, wherein the electrode current collector includes a polymer resin layer and metal layers disposed on both sides of the polymer resin layer, and the process film is formed of a material identical to the polymer resin layer of the electrode current collector.
Nº publicación: EP4730520A1 22/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
Resumen de: EP4730520A1
0001 A battery pack according an embodiment of the present disclosure includes a cell module assembly including a plurality of battery cells, and a pack case that houses the cell module assembly therein, wherein the pack case includes a drainage hole, and a filter unit is mounted to the drainage hole.
BOPI
Sede Electrónica
