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1659
resultados
Última actualización
18/12/2025 [07:24:00]
Resultados 200 a 225 de 1659
Resumen de: EP4664622A1
A cover plate (100), a battery (600) and an electronic device is provided. The cover plate (100) includes an integrally formed non-structurally fragile portion (102) and a non-structurally fragile portion (101). The structural strength of the non-structurally fragile portion (101) is lower than the structural strength of the non-structurally fragile portion (102). The non-structurally fragile portion (101) is configured to be destroyed when the battery (600) releases internal pressure. At least part of the outer side of the non-structurally fragile portion (101) is covered with a phosphorus-containing nickel plating layer (103).
Resumen de: EP4664633A1
A module frame for a secondary battery according to various embodiments may be configured to accommodate a battery cell stack including multiple battery cells stacked along one direction, wherein the module frame is formed by a composite material-based plate including fiber reinforced plastic; and the plate includes at least multiple layers including a first layer and a second layer and has a layered cross-section symmetrical in the thickness direction of the plate. In addition, other embodiments are possible.
Resumen de: EP4664644A1
A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion to force gas out; and a pack case which accommodates the at least one battery cell such that the vent portion faces a lower side of the battery pack, with the vent portion exposed from the battery pack.
Resumen de: EP4663789A1
The present disclosure provides an aluminum alloy plate for a case (610) of a secondary battery. The aluminum alloy plate includes 1.25 wt% to 1.5 wt% of manganese (Mn), and 0.6 wt% to 0.8 wt% of magnesium (Mg).
Resumen de: EP4664577A2
A tab welding structure and a battery are provided, relating to the field of battery technology. The tab welding structure includes a wound body (100) with an electrode plate, and a full tab (110). The full tab (110) is electrically connected to the electrode plate and located at one end of the wound body (100). A current collector (300) is welded to the full tab (110) to form welding point groups (200). The welding point groups (200) are arranged in a radial pattern around a center of the wound body (100). Each welding point group (200) includes welding points (211) arranged in a wave pattern along a radial direction of the wound body. This configuration enhances the uniformity of current conduction in the wound body (100) and reduces the amount of current loss.
Resumen de: EP4664344A1
A battery drop simulation method including: generating, by at least one processor, a three-dimensional model including an adhesive member for a battery; receiving, by the at least one processor, information associated with the three-dimensional model; estimating, by the at least one processor, an adhesion coefficient of the adhesive member based on the information associated with the three-dimensional model; performing, by the at least one processor, a drop simulation of the three-dimensional model based on the information associated with the three-dimensional model, the adhesion coefficient, and drop condition information; and outputting, by the at least one processor, a drop simulation result of the drop simulation. The drop simulation result includes information about whether or not the adhesive member is separated due to a drop.
Resumen de: EP4664630A1
A power storage device (10) includes at least one power storage cell (100), a top wall (220) provided over the power storage cell, a facing wall (212, 240) facing the power storage cell in a width direction, a support portion (300) supporting the power storage cell, and a bottom plate (230) disposed under the power storage cell. The bottom plate (230) includes a connecting surface (231a) formed so as to be flat. At least one of the facing wall and the support portion includes a bottom surface (212a, 310a) formed in a position closest to the connecting surface (231a) of the bottom plate (230) and formed so as to be flat. The connecting surface (231a) of the bottom plate (230) is connected to the bottom surface.
Resumen de: EP4664671A1
The present disclosure relates to a pellet for electrolyte injection configured to connect between an electrolyte supply device for supplying an electrolyte and an open portion formed on one side of a housing of a battery, the pellet including: a hopper having a hollow structure; and a sealing member including a hopper coupling portion coupled to the hopper and spaced apart from the housing and a battery sealing portion configured to seal the open portion and at least partially spaced apart from the hopper coupling portion.
Resumen de: EP4663471A1
Die Erfindung betrifft eine Vorrichtung zum Heizen einer Traktionsbatterie (2) für ein Elektro- oder Hybridfahrzeug, wobei die Vorrichtung mindestens eine Einrichtung (7) zur Erfassung oder Ermittlung einer Temperatur der Traktionsbatterie (2), einen Kühlkreislauf (9) und mindestens eine elektrische Komponente mit mindestens einem GaN-Leistungstransistor (11) oder SiC-Leistungstransistor aufweist, wobei die Traktionsbatterie (2) und die elektrische Komponente mit dem Kühlkreislauf (9) thermisch gekoppelt sind, wobei in einem Betriebszustand der mindestens eine GaN- oder SiC-Leistungstransistor in Rückwärtsrichtung betrieben wird, wobei eine Steuereinrichtung (10) des mindestens einen GaN- oder SiC-Leistungstransistor derart ausgebildet ist, in Abhängigkeit der Temperatur der Traktionsbatterie (2) den GaN- oder SiC-Leistungstransistor für eine vorbestimmte Zeit in Rückwärtsrichtung keine Gate-Source-Spannung zuzuführen, wobei die vorbestimmte Zeit größer als eine initiale Delay-Zeit ist, sowie ein Verfahren.
Resumen de: EP4664129A1
Provided is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a data obtaining unit configured to obtain a first target full-cell profile representing a correspondence between a capacity factor and a voltage of a target cell while a first electric stimulation is being applied to the target cell, and a control circuit configured to generate an estimated full-cell profile based on the first target full-cell profile and an overpotential profile. The control circuit determines a first performance factor group as a primary estimation result for charge/discharge performance of the target cell by applying a cell diagnosis logic to the estimated full-cell profile. The control circuit determines a second performance factor group as a secondary estimation result for the charge/discharge performance of the target cell by applying a factor correction model to the first performance factor group. The second performance factor group includes an estimation result of a negative electrode loading amount of the target cell.
Resumen de: EP4664576A1
The present invention relates to an all-solid-state battery pressurization system comprising: a jig for pressurizing an all-solid-state battery vertically; and a hydraulic press for applying a uniform pressure to the jig, wherein the uniform pressure is applied to the jig by the pressure applied by the hydraulic press.
Resumen de: EP4664629A1
A battery (10) has a housing (20), a cell pack (30) supported within the housing (20), and a lid (40) configured to close an open end (21) of the housing (20). A first terminal (71) is supported by the lid (40). A first busbar (61) is configured to electrically couple the cell pack (30) to the first terminal (71). A first electrical component (83, 84, 102) is supported by the lid (40) and electrically coupled between the first busbar (61) and the first terminal (71).
Resumen de: EP4664551A1
The present invention relates to a method for manufacturing an electrode for a lithium secondary battery, the method including the steps of: preparing a transfer laminate including a lithium metal layer, a release layer, and a base material layer; and transferring the lithium metal layer and the release layer to at least one surface of an electrode active material layer such that the lithium metal layer comes into contact with the electrode active material layer, in which at least one of the lithium metal layer and the release layer transferred to at least one surface of the electrode active material layer includes two or more holes, and the holes have a shortest distance between adjacent holes that satisfies a predetermined distance, enabling lithium byproducts to be reduced; an electrode manufactured by the method; and a lithium secondary battery including the electrode.
Resumen de: EP4664638A1
A container module is disclosed. The container module according to an embodiment of the present disclosure includes a base frame having a square or rectangular shape; a corner column extended in a top-bottom direction, and connected to a corner of the base frame; a bracket coupled to the corner column, and extended in a front-rear direction; and a battery pack installed on the bracket.
Resumen de: EP4663588A1
A transfer device according to an embodiment of the present disclosure includes a first disk having a disk shape and configured to be rotatable based on the central axis of the disk, a second disk provided above the first disk and having a disk shape, and a gasket interposed between the first disk and the second disk.
Resumen de: EP4664612A1
The present application provides a housing (10), a battery (100), and an electric device, where the housing (10) includes a base plate (110), a mounting beam (130), and a module beam (120), the base plate (110) has a first side surface (111) and a second side surface (112) opposite to each other in a thickness direction (H), a reinforcement structure (113) is provided on the base plate (110), the module beam (120) is disposed on the first side surface (111), the mounting beam (130) is disposed on the second side surface (112), and the reinforcement structure (113) is configured to connect to the mounting beam (130) and/or the module beam (120). The housing (10) provided in embodiments of the present application can utilize the reinforcement structure (113) to connect the mounting beam (130) and/or the module beam (120), thereby enhancing the connection strength between the base plate (110) and the mounting beam (130) and/or the module beam (120), thus achieving the purpose of meeting the high structural strength requirements of the housing (10).
Resumen de: EP4664555A1
The present disclosure relates to a field of batteries, particular to an anode material, a preparation method thereof, and a secondary battery, wherein the anode material includes a silicon-based active material and a matrix material; the anode material includes hydrogen element, halogen element, nitrogen element, and sulfur element, wherein a mass content of the hydrogen element is mH, a mass content of the halogen element is mX, a mass content of the sulfur element is mS, and a mass content of the nitrogen element is mN, and following relational expressions are satisfied: 0.02≤mX/mH≤5.00, 0.0≤mN/mH≤20.00, 0.05≤mS/mH≤5.00. According to the technical solution, by adjusting the contents of the hydrogen element, the nitrogen element, the sulfur element and the halogen element within an appropriate range, the volume expansion of the anode material can be effectively inhibited, and capacity, initial coulombic efficiency, powder conductivity, cycle performance and rate performance of anode material are improved.
Resumen de: EP4664608A1
Embodiments of the present application provide a control method for a refrigeration system, related devices, and a storage medium, involving battery cooling technology. The method includes: in a case that a current ambient temperature being within a first preset temperature range is determined, a water pump of the refrigeration system and a compressor of the refrigeration system are activated; in a case that a first pressure corresponding to the refrigeration system reaching a preset pressure value is determined, a fan of the refrigeration system is activated, so as to maintain a pressure of the refrigeration system within a preset pressure range for cooling a battery management system; in a case that the current ambient temperature being within a second preset temperature range is determined, the water pump of the refrigeration system is activated, and activation of the compressor and the fan is prohibited.
Resumen de: EP4664645A1
A battery cell (200), a battery (400), and an electrical apparatus (500). The battery cell (200) comprises an electrode assembly (300), a positive electrode plate and a negative electrode plate forming a flat area (301); a housing (60) being used for accommodating the electrode assembly (300), and the housing (60) comprising a first wall portion (11) and two second wall portions (12), the two second wall portions (12) being respectively located on either side of the flat area (301); a pressure relief portion (40), the pressure relief portion (40) being arranged on the first wall portion (11), the pressure relief portion (40) comprising a weak portion (491) and a main body portion (492), the main body portion (492) being located between the weak portion (491) and the first wall portion (11); the maximum thickness of the first wall portion (11) is Dl, the minimum thickness of the main body portion (492) is D2, the maximum thickness of the weak portion (491) is D3, and D3 < D2 < D1.
Resumen de: EP4664575A1
The present invention relates to an electrode assembly manufacturing plate, which includes a support plate, a sub-plate provided on one surface of the support plate, and a distance control unit provided on the support plate and configured to push a part of an opposing surface to a surface of the sub-plate, which is opposite to the support plate, from the support plate so that a distance from a part of the opposing surface to the support plate is different from a distance from the remaining portion to the support plate, an electrode assembly manufacturing apparatus including the same, and an electrode assembly manufacturing method.
Resumen de: EP4664625A1
Disclosed are a secondary battery pocket portion sealing apparatus for sealing a sealing portion of a second pocket portion for gas capture, the secondary battery pocket portion sealing apparatus including a first sealing unit including a first sealing tool disposed on one side of the sealing portion so as to press and heat the sealing portion such that the sealing portion is sealed, a friction pad portion connected to the first sealing tool, the friction pad portion including a first friction pad and a second friction pad disposed at both ends of one surface of the sealing portion, and a driving member configured to move the first sealing tool and the friction pad portion to one side or the other side, and a second sealing unit including a second sealing tool disposed on the other side of the sealing portion so as to press and heat the sealing portion such that the sealing portion is sealed, and a secondary battery pocket portion sealing method using the same.
Resumen de: EP4664635A1
The present disclosure provides a battery module comprising: a cell assembly including a plurality of battery cells; and a busbar assembly including a busbar electrically connected to at least one of the plurality of battery cells, and a busbar holder including a base located on the cell assembly and a protrusion part extending from the base and connected to the busbar. The plurality of battery cells may include a first battery cell and a second battery cell adjacent to the first battery cell. The busbar may include a first connection part connected to the first battery cell, a second connection part connected to the second battery cell, and a buffer part located between the first connection part and the second connection part. The protrusion part may be connected to the buffer part.
Resumen de: EP4664218A1
Example embodiments provide a method of displaying an intermediate roll map. The method includes: transmitting an application programming interface (API) call to a server storing coordinate-related measurement data, in which the coordinate-related measurement data includes measurement data collected based on measurement of an electrode sheet and coordinates related to the measurement data; transmitting the coordinate-related measurement data in response to the API call; and displaying the coordinate-related measurement data.
Resumen de: EP4663322A1
Embodiments of the present disclosure relate to an electrode plate notching device capable of automatically correcting a bias of a press pressure transmitted to a mold during a notching process of an electrode plate, thereby preventing or reducing molding errors. An electrode plate notching device includes a lower press, a first mold seated on the lower press and including a punch hole, a second mold movable up and down above the first mold and including a punch, an upper press arranged above the second mold and movable vertically, and a correction unit connecting the upper press to the second mold and capable of multi-axis alignment.
Nº publicación: EP4664573A1 17/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4664573A1
The present invention relates to a protective tape attachment device for electrode tab protection of a secondary battery and a battery cell manufacturing method using the same, and more specifically, relates to a protective tape attachment device capable of attaching both ends of a protective tape, and a battery cell manufacturing method using the same.According to one example of the present invention, it may provide a protective tape attachment device capable of bonding both ends of each of an upper protective tape and a lower protective tape to each other up and down, comprising an upper main attachment device and a lower main attachment device attaching the upper protective tape and the lower protective tape to an electrode tab respectively, and an upper end attachment device and a lower end attachment device moving independently of the upper main attachment device and the lower main attachment device on both sides of the upper main attachment device and the lower main attachment device respectively.
BOPI
Sede Electrónica
