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648
resultados
Última actualización
04/08/2026 [07:12:00]
Resultados 600 a 625 de 648
Resumen de: EP4783308A1
A secondary battery includes an electrode assembly, a case accommodating the electrode assembly therein, the case having a vent hole on at least one side thereof, and a vent portion arranged in the vent hole, the vent portion including a polymer layer and a brittle layer on the polymer layer.
Resumen de: EP4783340A1
0001 A battery module according to an embodiment of the present disclosure may include: pouch cells arranged in a first direction, each of the pouch cells including an electrode lead protruding in a second direction perpendicular to the first direction; a module frame configured to accommodate the pouch cells and open in the second direction, the module frame including a top plate positioned above the pouch cells; a vent suppression structure between the pouch cells and the top plate; and a first end plate coupled to the module frame in the second direction and including first vent holes.
Resumen de: EP4783341A1
A battery module according to an embodiment of the present disclosure may include:pouch cells arranged in a first direction, each of the pouch cells including an electrode lead protruding in a second direction perpendicular to the first direction;a module frame configured to accommodate the pouch cells and open in the second direction, the module frame including a top plate having first vent holes and a first non-perforated portion;a first vent guide structure disposed between the pouch cells and the top plate, the first vent guide structure including second vent holes and a second non-perforated portion, and configured to guide venting toward the plurality of first vent holes; anda bus bar frame coupled to the module frame in the second direction and including a second vent guide structure configured to guide venting toward the first vent holes.Accordingly, the stability of the battery module may be improved.
Resumen de: EP4783325A1
0001 Disclosed is a battery pack including one or more battery modules, a pack case body configured to receive the battery modules, a cover added so as to cover an open surface of the pack case body, and a sound absorbing material disposed on an outer surface of the cover, wherein a groove is formed in the outer surface of the cover, and at least a part of the sound absorbing material is inserted into the groove.
Resumen de: EP4783319A1
0001 The present invention relates to a battery holder (10) configured for holding and electrically contacting a battery (32). The battery holder (10) comprises a battery chamber (12) configured to receive the battery (32) and having a longitudinal axis; a first electric contact (14) arranged at a first end portion of the battery chamber (12) and configured to electrically contact a first electric terminal (34) of the battery (32), wherein the first electric contact (14) is configured as a scrape contact to electrically contact a circumferential contact surface of a metal pin (36) of a first electric terminal (34) of the battery (32) at two mutually opposite positions on said circumferential contact surface; and a second electric contact (16) arranged at a second end portion of the battery chamber (12) opposite the first end portion and configured to electrically contact a second electric terminal (38) of the battery (32), wherein the second electric contact (16) is configured as a spring contact to electrically contact a metal contact surface of the second electric terminal (38) of the battery (32) by spring force of the spring contact acting in an axial direction parallel to the longitudinal axis of the battery chamber.
Resumen de: EP4783320A1
0001 A battery (2) adapted to be inserted into a power tool (1), characterised in that it is provided with a locking mechanism (20) comprising: a first guide (211) located in the battery housing upper part (21); a button (22) movably seated in the battery housing (2), comprising a second guide (221) and a ramp (222); a locking rod (23) and a spring (24). In the fixed position, when the battery (2) is inserted into the power tool (1), and when the button (22) is released, the position of the locking rod (23) becomes fixed and permanent due to the pressure of the spring (24), and, by engaging the protrusion (111), the locking rod (23) locks the battery (2) in the power tool (1), preventing its removal. On the other hand, once the button (22) is pressed, the locking rod (23) moves along the first guide (211) and, at the same time, moves along the second guide (221), and ceases to engage the protrusion (111) of the power tool foot (11), thus allowing the battery (2) to be unlocked and removed from the power tool (1).
Resumen de: EP4783339A1
A battery housing (100) with integrated venting channels for distributing gas released during thermal runaway, the battery housing comprising: a first side venting channel (102) located on a first side (104) of the battery housing and configured to receive exhaust gas from a battery cell (106) in the event of thermal runaway; a busbar holder (108) connected to the battery housing, the busbar holder comprising a busbar venting channel (202, 302) integrated within the busbar holder; a first fluid connection (204) connecting the first side venting channel to a first opening (206, 306) of the busbar venting channel; a second fluid connection (208) connecting a second side venting channel (114) to a second opening (210, 310) of the busbar venting channel, allowing a gas flow from the first side venting channel, through the busbar holder venting channel and to the second side venting channel.
Resumen de: EP4783324A1
A battery housing (100) for an energy storage system in a vehicle (600), the battery housing comprising: a top structure (102) integrally formed with a load bearing platform (104) configured to support external mechanical loads, the top structure including venting channels (106) arranged within the top structure and in fluid communication with an internal volume of the battery housing, the venting channels being configured to guide exhaust gases generated during a thermal runaway event within the battery housing.
Resumen de: EP4783335A1
0001 A secondary battery includes a case having an opening formed therein, an electrode assembly accommodated in the case, a cap plate fixed to the case, and a vent formed in at least one of the case and the cap plate. The vent includes a notch that includes a notch penetration portion extending through the at least one of the case and the cap plate and opening to an inside of the secondary battery and a notch blocking part that closes the notch penetration portion.
Resumen de: EP4783336A1
A cap assembly for a secondary battery, the cap assembly including a cap plate seated on and coupled to an opening in a case that accommodates an electrode assembly, a first vent portion connected to the cap plate, the first vent portion fracturing at a first fracture pressure, and a second vent portion coupled to at least one of the first vent portion or a region adjacent to the first vent portion, the second vent portion fracturing at a second fracture pressure different from the first fracture pressure.
Resumen de: EP4782255A1
0001 A charging system for charging a power battery of a vehicle, including: a battery apparatus configured to store energy and charge the power battery by releasing energy; a charging connector configured to connect to the vehicle so as to charge the power battery via the charging connector; and a thermal management system, including a first heat exchange flow path, a second heat exchange flow path, and a first switching mechanism. The first heat exchange flow path includes a first heat exchanger configured to exchange heat with the battery apparatus. The second heat exchange flow path includes a second heat exchanger configured to exchange heat with the charging connector. The second heat exchange flow path is connected to the first heat exchange flow path via the first switching mechanism. In this way, through an operation of switching the first switching mechanism, the second heat exchange flow path and the first heat exchange flow path become communicated with each other via the first switching mechanism or a communication relationship between the second heat exchange flow path and the first heat exchange flow path via the first switching mechanism is disconnected.
Resumen de: EP4782856A1
0001 According to some embodiments, a battery management device includes an interface configured to acquire battery data of a battery having a composite negative electrode based on a first active material of a silicon series and a second active material of a graphite series, and a controller configured to calculate a first negative electrode loading of the first active material for the composite negative electrode and a second negative electrode loading of the second active material for the composite negative electrode based on the battery data, and diagnose a state of the composite negative electrode based on the first negative electrode loading and the second negative electrode loading.
Resumen de: EP4783260A2
0001 The positive electrode active material disclosed herein contains a first positive electrode active material particle and a second positive electrode active material particle. An average particle diameter d<1> of the first positive electrode active material particle is equal to or more than 3 µm and not more than 5 µm, and an average particle diameter d<2> of the second positive electrode active material particle is equal to or more than 0.1 µm and not more than 0.5 µm. Then, when a sum of the first positive electrode active material particle and the second positive electrode active material particle is treated as 100 wt%, a weight ratio A of the second positive electrode active material particle is equal to or more than 2 wt% and not more than 35 wt% and the average particle diameter d<2> and the weight ratio A satisfy a following relationship: A ≦ -25d<2> + 37.5.
Resumen de: EP4783281A1
A method of manufacturing a secondary battery (1) includes: preparing an exterior container (100) having a prismatic shape and provided with a first opening (113); and preparing an electrode assembly (200) including a positive electrode (240) and a negative electrode (210) stacked in a first direction, the electrode assembly (200) having a main body portion (2000) having a substantially rectangular shape including a long side (2100) and a short side when viewed in the first direction; and inserting a portion of the electrode assembly (200) into the exterior container (100) through the first opening (113) along a direction of the long side (2100) while grasping the electrode assembly (200), wherein in the inserting the portion of the electrode assembly (200) into the exterior container (100), control of a position or direction of the electrode assembly (200) based on a magnitude of reaction to the electrode assembly (200) is performed.
Resumen de: EP4783333A1
0001 A rechargeable battery, including an electrode assembly, a case accommodating the electrode assembly, the case including one side having an open portion, a cap plate sealing the open portion of the case, the cap plate including a through hole, and a pressure controller in the through hole of the cap plate, the pressure controller being open when the pressure inside the case is higher than or equal to a reference value and closed when the pressure inside the case is lower than the reference value.
Resumen de: EP4783293A1
0001 The present disclosure relates to battery cell contacting systems for an electrical vehicle, to electric vehicles and to methods for servicing a battery system of an electric vehicle. A busbar of a battery cell contacting system comprises a connection feature to which a circuit interconnect such as a flexible printed circuit or a flexible flat cable can be releasably attached, for example when a circuit interconnect already attached to the busbar in a permanent manner is damaged.
Resumen de: EP4783278A1
In a method of manufacturing a secondary battery, inserting an electrode assembly (200) into an exterior container (100) includes a first stage of inserting, into the exterior container (100), a portion of the electrode assembly (200) corresponding to a length of 2/3 or more of a main body portion (2000) of the electrode assembly (200) in a direction of a long side (2100) while grasping the electrode assembly (200), and a second stage of inserting, into the exterior container (100), a remainder of the electrode assembly (200) in the direction of the long side (2100) after the first stage, and at least in the second stage, the exterior container (100) and the electrode assembly (200) are disposed such that the direction of the long side (2100) is oriented in a vertical direction and the electrode assembly is inserted vertically downward.
Resumen de: EP4783244A1
A method of producing a negative electrode slurry comprises:a first kneading step to knead a negative electrode active material containing carbon particles, a water-soluble polymer, and water at a kneading load (1a) of 2.2 Wh/kg or less, and then knead at a kneading load (1b), wherein the kneading load (1b) is more than the kneading load (1a) and within a range of 2.0 to 11.6 Wh/kg; anda second kneading step to knead a kneaded product obtained in the first kneading step, a binder other than the water-soluble polymer, and water at a kneading load (2) of 0.5 Wh/kg or less.
Resumen de: EP4782853A1
0001 Systems, methods, and other embodiments described herein relate to estimating a safety state of a used battery for reuse and recycle applications through utilizing derivative computations of impedance. In one embodiment, a method includes identifying a temperature and a state of charge (SOC) by testing equipment to measure impedance for a used battery from a vehicle. The method also includes removing interference sources by computing first derivatives of real-parts from the impedance and factoring the temperature and the SOC, and the testing equipment measures the impedance. The method also includes estimating a safety state and a physical degradation for the used battery from changes of the first derivatives within a frequency band. The method also includes upon the safety state satisfying a parameter, draw power from the used battery by a device during a reuse operation.
Resumen de: EP4783250A1
Disclosed are a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the negative electrode. The negative electrode for a rechargeable lithium battery includes a current collector, a first negative electrode active material layer on a first surface of the current collector, and a second negative electrode active material layer on a second surface of the current collector. A difference in the active mass density between the first negative electrode active material layer and the second negative electrode active material layer is in a range of about 0.02 g/cc to about 0.06 g/cc.
Resumen de: EP4783318A1
There is provided a battery member, which includes a porous structure (Y) at an outermost surface of the battery member, and an adhesive layer. The adhesive layer includes one or more adhesive portions (X) formed of an adhesive. Each of the one or more adhesive portions (X) includes an adhesive protrusion portion (Xa) that is disposed on the porous structure (Y), and an adhesive impregnation portion (Xb) that is disposed within the porous structure (Y) and extends onto a periphery of the adhesive protrusion portion (Xa).
Resumen de: EP4783301A1
0001 A spacer (130) configured to be provided between a pair of adjacent battery cells (110) among two or more battery cells arranged in a preset direction. The spacer (130) includes a spacer body (131) configured to allow a cooling fluid to flow in the spacer body. The spacer body includes opposite surfaces configured to face the pair of adjacent battery cells. The spacer also includes at least one elastic member (133) passing through the opposite surfaces of the spacer body and configured to contact the pair of adjacent battery cells.
Resumen de: EP4783288A1
0001 A solid-state battery and a method of preparing the solid-state battery, the solid-state battery including a cathode, an anode current collector, and a solid electrolyte layer disposed between the cathode and the anode current collector, wherein at least one of the cathode and the solid electrolyte layer includes a sulfide-based solid electrolyte, and at least one of a solvent or a decomposition product of the solvent, the solvent including a C1-C20 alkane compound containing one or more halogen atoms.
Resumen de: EP4782398A1
Embodiments of the present disclosure provide a negative electrode heteroatom-doped carbon material. The negative electrode heteroatom-doped carbon material includes carbon element, nitrogen element, and oxygen element. A weight percentage of the carbon element is in a range from 77% to 81%, a weight percentage of the nitrogen element is in a range from 8% to 12%, and a weight percentage of the oxygen element is in a range from 4% to 6.5%, based on a total weight of the negative electrode heteroatom-doped carbon material being 100%.
Nº publicación: EP4783343A1 29/07/2026
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd.
Resumen de: EP4783343A1
0001 A separator for a secondary battery according to the present disclosure includes a substrate and a coating layer on a surface of the substrate, the coating layer including inorganic particles. The substrate orientation degree, which is calculated from a puncture strength of the separator and a weight per unit area of the substrate, may be within a predetermined range. A secondary battery according to the present disclosure includes an electrode assembly including a cathode, an anode, and the separator for a secondary battery according to the present disclosure. The thermal stability of the separator and the secondary battery may be improved.
BOPI
Sede Electrónica
