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1102
resultados
Última actualización
29/08/2026 [07:33:00]
Resultados 1075 a 1100 de 1102
Resumen de: EP4794070A1
Disclosed are a secondary battery (100), a battery pack (1002), and an electronic device (1000). The secondary battery (100) includes: a housing (200), including an end wall (111) and a side wall (109) surrounding the end wall (111), the end wall (111) having an opening portion (111V); an electrode assembly (120), including positive and negative electrode sheets (10, 20) and a separator (122); an electrode terminal (160), passing through the opening portion (111V) and fixed on the end wall (111); and a current collecting plate (202), disposed between the electrode assembly (120) and the end wall (111) and electrically connecting the electrode assembly (120) and the electrode terminal (160). Along a radial direction of the electrode assembly (120), the electrode assembly (120) includes a first region (Ra) and a second region (Rb). A minimum distance between a surface of the current collecting plate (202) facing the electrode assembly (120) and a first end (16u) of a negative electrode active material layer (16) along a first direction (D1) is LA mm, LA mm ≥1.5 mm.
Resumen de: EP4794105A1
An electrode sheet (100), a secondary battery (500), and an electronic device (1000) are provided. The electrode sheet (100) includes: an electrode sheet body (160), including a current collector (110) and an active material layer (130), the current collector (110) has two opposite surfaces, and the two surfaces are respectively coated with active material layers (130); and a tab (150), extending from the electrode sheet body (160), the tab (150) is provided with a second stiffener region (192) and a first stiffener region (191), the second stiffener region (192) is disposed between the first stiffener region (191) and the active material layer (130), a stiffener (190) is disposed in the first stiffener region (191) and the second stiffener region (192), a depth (H1) of the stiffener (190) in the first stiffener region (191) is greater than a depth (H2) of the stiffener (190) in the second stiffener region (192).
Resumen de: EP4794057A1
A liquid cooling assembly and a battery pack are provided. The liquid cooling assembly includes a plurality of liquid cooling plates arranged at intervals and a main pipe. An installation space for mounting at least one heat-generating element is formed between two adjacent liquid cooling plates. Each of the liquid cooling plates includes a flow passage portion and a plurality of nozzles in communication with the flow passage portion. The main pipe includes a plurality of connectors, and the connectors are in one-to-one expansion connection to the nozzles and are inserted into the nozzles. An inner wall of each of the connectors is provided with a support ring that overlaps each of the nozzles (11).
Resumen de: EP4794054A1
Disclosed herein relates to an inspection device including: an inspection jig including a first jig having a plurality of first pressure sensing elements and a second jig having a plurality of second pressure sensing elements, wherein the inspection jig is configured to generate thickness data regarding the thickness of a battery cell provided between the first jig and the second jig while the battery cell is in contact with the first jig and the second jig; and a processor configured to detect the bending dimensions and bending shape of the battery cell based on first pressure data generated from the plurality of first pressure sensing elements, second pressure data generated from the plurality of second pressure sensing elements, and the thickness data.
Resumen de: EP4793997A1
0001 An electrode sheet (100, 100A, 100B), a secondary battery (500), and an electronic device (1000) are provided. The electrode sheet (100, 100A, 100B) includes: an electrode sheet body (160); and an electrode tab (150, 150') extending from the electrode sheet body (160) in a first direction (D1), where a stiffener (190) is disposed on a surface of the electrode tab (150, 150'), where the stiffener (190) at least includes a first portion (192) and a second portion (194), the first portion (192) and the second portion (194) are connected through a bending part (196). An angle formed by the first portion (192) and the second portion (194) is a, 28°≤a≤45°.
Resumen de: EP4794106A1
0001 The disclosure provides an electrode sheet (300), including: an electrode sheet body (310), and a tab (320) protruding from the electrode sheet body (310) along a first direction (F), the tab (320) is set with a reinforcing rib array (321), the reinforcing rib array (321) includes multiple first reinforcing ribs (322); wherein in the first direction (F), every two adjoining first reinforcing ribs (322) are separated from each other. The purpose of the disclosure lies in providing an electrode sheet (300), a secondary battery (100A/B) and an electronic device (1000), so as to at least strengthen the supporting force for the tab (320).
Resumen de: EP4794053A1
0001 An immersion-type energy storage device includes, a housing having an accommodation space therein, one or more battery cells accommodated in the accommodation space of the housing, insulating oil that fills the accommodation space to immerse the battery cells and cool the battery cells, a temperature sensor array including a plurality of temperature sensors installed at different locations that are vertically spaced apart in the accommodation space to detect temperature, and a battery management apparatus configured to determine whether a defect has occurred in the insulating oil based on whether a pattern of a temperature signal detected by the plurality of temperature sensors has changed over time.
Resumen de: EP4794042A2
0001 The present application discloses a secondary battery (100) and an electronic device. A first current collector (211) is provided with a first foil-free zone (211a). A first tab (30) includes a first portion (31) and a second portion (32) that are connected to each other. The first portion (31) is disposed on the first foil-free zone (211a). The second portion (32) extends out of a first electrode sheet (21). A first adhesive layer (50) is bonded between the first foil-free zone (211a) and the first portion (31). The first tab (30) includes a first surface (30a) and a second surface (30b) that are oppositely arranged. The first surface (30a) of the first portion (31) is provided with a plurality of first protrusions (30c). The first adhesive layer (50) is partially embedded between two adjacent first protrusions (30c). The second surface (30b) of the first portion (31) is provided with a plurality of second protrusions (30d). Along a first direction (Z), projections of at least one of the second protrusions (30d) at least partially overlap with projections of the first protrusions (30c), and/or projections of at least one of the second protrusions (30d) are located between projections of two adjacent first protrusions (30c). The connection process between the first tab (30) and the first current collector (211) can be simplified, energy density can be increased, and the connection strength between the first tab (30) and the first current collector (211) can be improve
Resumen de: EP4794063A1
0001 The present disclosure refers to a battery pack, including a battery pack housing; a battery cell stack including a plurality of rechargeable battery cells, wherein the battery cell stack is accommodated within the battery pack housing; a liquid release system positioned above the rechargeable battery cells, wherein the liquid release system is configured to release a liquid toward the rechargeable battery cells when a release condition is detected; and a retention structure being configured for retaining the liquid released by the liquid release system, wherein the retention structure is in direct contact with an outer surface of the rechargeable battery cells.
Resumen de: EP4794098A1
0001 Battery pack (1) comprising a housing (2) defining a space (S) for housing at least a battery module (3), the battery module (3) comprising a support system (4) defining a space (S') for housing a plurality of battery cells (10) and a venting system (4) defining a venting channel (V) fluidly connected to the space (S'), the housing (2) comprising venting means (23) configured to allow selectively communication between said space (S) and the environment, the battery pack (1) comprising a labyrinthic system (30) fluidly connecting the venting channel (V) to venting means (23), the labyrinthic system (30) providing an obliged path for a flow (F) for gas/flames igniting from any among the battery cells (10) towards the venting means (23) of a predetermined length.
Resumen de: EP4794058A1
0001 A battery cell cooling member is arranged between adjacent battery cells and includes two facing plates formed on an inner side between the battery cells to face the battery cells, respectively, and an elastic pad between the two facing plates and having a cooling path.
Resumen de: EP4794167A1
0001 Dispositif de dissipation thermique, notamment pour véhicule automobile, ledit dispositif comprenant un premier organe d'interface thermique (30) destinée à être en relation d'échange thermique avec un organe électrique (14) de chacune de deux sources chaudes (10a, 10b), ledit dispositif étant configuré pour un échange thermique entre ledit premier organe d'interface thermique (30) et une source froide (20), ledit premier organe d'interface thermique (30) comprenant un premier boîtier (32) rempli au moins en partie d'un fluide diélectrique pour un échange thermique entre lesdites sources chaudes (10a, 10b) par l'intermédiaire du fluide diélectrique, ledit premier boîtier (32) étant configuré pour isoler électriquement les organes électriques (14) desdites sources (10a, 10b) chaudes entre eux.
Resumen de: EP4794164A1
System zum Versorgen von Akkumulatoren, insbesondere als Energiespeicher einer Werkzeugmaschine, mit elektrischer Energie.Erfindungsgemäß enthält das System wenigstens eine Regel- und Steuereinheit mit wenigstens einer Eingangsschnittstelle zur Aufnahme elektrischer Energie, wenigstens einer Ausgabeschnittstelle zur Abgabe elektrischer Energie, wenigstens einen Gleichrichter, wenigstens eine erste mit der Regel- und Steuereinheit wenigstens elektrisch verbindbaren Anschlusseinrichtung zum Versorgen wenigstens eines ersten und zweiten Akkumulators mit elektrischer Energie sowie eine zweite mit der Regel- und Steuereinheit wenigstens elektrisch verbindbaren Anschlusseinrichtung zum Versorgen wenigstens einer Aufbewahrungseinheit mit elektrischer Energie, wobei jede Aufbewahrungseinheit wenigstens eine Akku-Schnittstelle zum Versorgen wenigstens eines Akkumulators mit elektrischer Energie enthält.Verfahren zum Steuern und Regeln des Systems zum Versorgen von Akkumulatoren mit elektrischer Energie.
Resumen de: EP4793034A1
0001 The present invention relates to a composite material (1), in particular for thermal insulation of a rechargeable battery and/or for preventing damage in case of a thermal runaway of a rechargeable battery, preferably a traction battery of an electric vehicle. The composite material (1) has two textile layers (2,3), wherein one of the layers a nonwoven fabric (2), in particular a veil, and one of the textile layers is a woven fabric (3), and wherein the nonwoven fabric layer (2) is completely penetrated with a ceramic penetration medium (4), whereby the woven fabric layer (3) is partly penetrated with the ceramic penetration medium (4). 0002 According to a further aspect, the present invention relates to a method for producing the composite material.
Resumen de: GB2704039A
A protective structure for a pouch cell battery, comprising a base 30, a top cover 50, and two terminal covers 50. The base supports a battery cell module, the top cover is connected to the base, and the terminal covers are connected to both ends of the base and the top cover. The base and top cover enclose the battery module 10, and the terminal covers enclose the battery module and bus structures 20. The terminal covers consist of an outer shell 52, having a central through hole 53, and an insulating interface 54. The outer shell, base and top cover are made of flame-retardant, thermally conductive, impact resistant metal material. Each insulating interface is a shell-like structure made of an insulating and thermally conductive plastic material and positioned adjacent to a supporting seat of the busbar structure on the side connected to the busbars so that it isolates the busbars from the outer shell. Each insulating interface includes a thermal conduction element 55 protruding towards the adjacent bus structure and aligned with the through-hole. A thermally conductive adhesive is applied between each terminal cover and adjacent bus structure. Fig 2
Resumen de: EP4794005A1
The present application provides a battery and a negative electrode sheet thereof. The battery negative electrode sheet includes a current collector and an active layer. The active layer is coated on the surface on at least one side of the current collector. The active layer has a plurality of grooves arranged in sequence along the length direction of the current collector. The grooves each extend along the width direction of the current collector. A plurality of regions in the active layer are separated by the plurality of grooves along the length direction of the current collector. Each region has a plurality of pores.
Resumen de: EP4794075A1
A battery pack includes: a housing; multiple cells disposed in the housing; and a coupling portion configured to be coupled to an electrical device to transmit electrical energy. The coupling portion includes: a terminal assembly configured to be electrically coupled to the electrical device; and a support portion supporting at least the connection between the electrical device and the battery pack, where the support portion includes a support cavity and a reinforcing member accommodated in the support cavity, and the reinforcing member is an independent prefabricated member and is made of the same material as the housing.
Resumen de: EP4794104A1
An electrode sheet (100) includes a current collector (10) including a current collector body (12) and a tab (14) extending from the current collector body (12) along a first direction (d); an active material layer (20) disposed on at least one side of the current collector (10) in a thickness direction; and a reinforcement rib (30). The tab (14) has a tab bare foil region (40) where the active material layer (20) is not disposed. In the first direction (d), the reinforcement rib (30) continuously extends from the tab bare foil region (40) to a surface of the active material layer (20). The disclosure provides an electrode sheet (100) and a secondary battery (1300) to at least achieve avoiding tab folding.
Resumen de: EP4793406A1
0001 Die Erfindung betrifft eine Temperierplatte (1) zur Verbindung mit einem Batteriegehäuse (8) eines Kraftfahrzeugs, aufweisend eine Temperierkanalstruktur (2) mit wenigstens einer Temperierkanalprofilierung (3), wobei die Temperierplatte (1) aus einem Mangan-Bor-Stahlblech (22) hergestellt und warmgeformt ist, wobei die Temperierplatte (1) außenseitig eine Aluminium-Legierungsschicht aufweist, wobei die Temperierplatte (1) eine Zugfestigkeit Rm > 1.000 MPa und ein Martensitgefüge aus wenigstens 50 Vol.-% Martensit aufweist. 0002 Die Erfindung betrifft weiterhin ein Batteriegehäuse aufweisend eine erfindungsgemäße Temperierplatte sowie ein Verfahren zur Herstellung eines entsprechenden Batteriegehäuses.
Resumen de: EP4794021A1
Described is a positive electrode including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first positive electrode active material including a lithium iron phosphate-based compound. The second positive electrode active material layer includes a second positive electrode active material including a lithium iron phosphate-based compound and an oxide-based solid electrolyte. The oxide-based solid electrolyte is included in an amount in a range of about 0.1 wt% to about 3.0 wt% based on 100 wt% of a total of the second positive electrode active material layer.
Resumen de: EP4794023A1
0001 A cathode active material for a lithium secondary battery according to the present disclosure includes lithium-metal oxide particles and a coating part formed on the lithium-metal oxide particles and including a metal-containing part and a sulfur-containing part. A metal area ratio of the cathode active material according to a specific equation may fall within a predetermined range. Accordingly, side reactions between the cathode active material and the electrolyte may be suppressed, and the stability and cycle life characteristics of the secondary battery may be improved.
Resumen de: EP4793574A1
0001 The present disclosure proposes a connecting device that connects an expansion valve and a cooling device, the connecting device comprising: an inlet pipeline, the inlet pipeline being in fluid connection with an expansion valve outlet; a first outlet pipeline, the first outlet pipeline comprising a first outlet end and a first inlet end connected to the inlet pipeline. An injection part is provided in the inlet pipeline, the injection part having a blocking part that extends in a cross section of the inlet pipeline and an injection port that is partitioned by the blocking part. 0002 The present disclosure further proposes a thermal management circuit, comprising an expansion valve, which comprises an expansion valve outlet; a cooling device, which comprises a first cooling flow path; and the connecting device according to an embodiment of the present disclosure. The inlet pipeline of the connecting device is in fluid connection with the expansion valve outlet, and a first outlet end of the first outlet pipeline of the connecting device is connected to the first cooling flow path.
Resumen de: EP4794079A1
0001 A battery pack includes a pack housing, a plurality of battery cells accommodated in the pack housing and including terminals protruding to a side, and a busbar-film assembly including a plurality of first busbars to allow the terminals of a pair of battery cells located adjacent to each other among the plurality of battery cells to be electrically connected, a first film and a second film coupled to each other with the plurality of first busbars arranged therebetween, and a first deformation area deformable by an external force between a pair of first busbars adjacent to each other among the plurality of first busbars.
Nº publicación: EP4793233A1 19/08/2026
Solicitante:
TOYOTA MOTOR CO LTD [JP]
Toyota Jidosha Kabushiki Kaisha
Resumen de: EP4793233A1
A carbon composite material configured to suppress a decrease in the charge and discharge capacity of batteries, the carbon composite material comprising Si and a carbon material having an aspect ratio of 2.7 or more and 7.5 or less.
BOPI
Sede Electrónica
