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1893
resultados
Última actualización
04/10/2025 [08:24:00]
Resultados 750 a 775 de 1893
Resumen de: EP4625319A1
The present disclosure relates to a system and apparatus for inspecting a coating state and an operation method thereof. The operation method of the apparatus for inspecting a coating state according to an embodiment of the present disclosure may include: using a photographing module, photographing at least a partial area of a base plate which comprises a first area coated with a first material and a second area not coated with the first material, wherein a partial area of the first material and a partial area of the second area 31b are coated with a second material, to obtain an inspection image; generating a brightness histogram related to a brightness of the inspection image based on a pre-trained brightness distribution estimation model; and estimating an overlapping section where the second material and the first material are overlapped based on the generated brightness histogram.
Resumen de: EP4625758A2
Die vorliegende Erfindung betrifft eine Schaltung, ein Verfahren und ein System zur Symmetrierung der Spannung von in Reihe geschalteten Speichereinheit (BT). Die Schaltung entspricht einem Leiternetzwerk, bei dem horizontalen Schalter (SH) die Sprossen der Leiter bilden, auf dem ersten Holm der Leiter zwischen den Sprossen jeweils eine Speichereinheit (BT) angeordnet ist und auf dem zweiten Holm zwischen den Sprossen jeweils ein vertikaler Schalter (SV) angeordnet ist. Durch Schalten der horizontalen Schalter (SH) und vertikalen Schalter (SV) können einzelne Speichereinheiten (BT) mit einer Symmetrierungsquelle (SY) verbunden werden, so dass diese die Spannung der verbundenen Speichereinheit (BT) anpasst, wodurch die Spannung der Speichereinheiten (BT) in der Reihenschaltung symmetriert wird.
Resumen de: EP4625658A1
Provided are a battery box and a battery pack. The battery box includes a box body (1), a bottom guard plate (2), a bracket (3), and a suction disc (4). The box body (1) is provided with an accommodation cavity (11). One side of the box body (1) along the first direction is provided with an opening communicating with the accommodation cavity (11). The bottom guard plate (2) is detachably connected to the opening. The bracket (3) is mounted on the cavity wall of the accommodation cavity. The bracket (3) and the bottom guard plate (2) are spaced apart to form a pressure relief channel. The pressure relief channel is configured to relieve a thermal runaway gas of a cell assembly on the bracket (3). One side of the bracket (3) facing the bottom guard plate (2) is provided with the suction disc (4). The suction disc (4) abuts against the bottom guard plate (2).
Resumen de: EP4625635A1
A battery housing includes a bottom case and a top cover. The bottom case includes a main case and a reinforcing rib. The main case is provided with an accommodating cavity and an opening, the accommodating cavity being located at an inner side of the main case, and the opening being located on the outer surface of the main case and communicated with the accommodating cavity. The reinforcing rib is fixedly connected to a side wall surface of the accommodating cavity, is spaced apart from both the opening and the bottom wall surface of the accommodating cavity, and extends along the circumferential direction of the main case. The first sub-reinforcing portion of the reinforcing rib includes a step surface facing the opening, the second sub-reinforcing portion is located on a side of the first sub-reinforcing portion facing away from the step surface and fixedly connected to the first sub-reinforcing portion.
Resumen de: EP4624952A1
A characteristic measuring jig includes a support to support a battery cell, an impedance measuring part including first and second positive electrode contact parts, first and second negative electrode contact parts, a first terminal for current connected to the first positive electrode contact part, a first terminal for voltage connected to the second positive electrode contact part, a second terminal for current connected to the first negative electrode contact part, and a second terminal for voltage connected to the second negative electrode contact part that is detachable to a terminal side of the battery cell, and an elevating part fixed to the support, connected to the impedance measuring part, and configured to elevate the impedance measuring part. At least one of the first terminal for current and the second terminal for current is opposite to at least one of the first terminal for voltage and the second terminal for voltage.
Resumen de: EP4625511A1
A solid-state secondary battery, a method of preparing thereof, and a method of charging the solid-state secondary battery. The solid-state secondary battery includes a cathode layer containing lithium, an anode layer containing lithium and silver, and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer includes a coating layer, a lithium alloy layer, and an anode current collector, and a bonding rate at the interface between the coating layer and the lithium alloy layer is about 85 percent to about 100 percent, and the total number of moles of lithium included in the cathode layer and the anode layer is about 30 times to about 120 times greater than the total number of moles of silver included in the solid-state secondary battery.
Resumen de: EP4625614A2
Provided is a method for recovering metals from battery powder of lithium ion battery waste, the method comprising: an acid leaching step of leaching the metals in the battery powder into an acidic leaching solution to obtain a metal-containing solution containing lithium ions and other metal ions; a metal separation step of separating the other metal ions from the metal-containing solution; and, after the metal separation step, an electrodialysis step of subjecting the metal-containing solution containing lithium ions and fluoride ions as impurities to electrodialysis using a bipolar membrane to obtain a lithium hydroxide solution and an acidic solution comprising fluoride ions, wherein the acidic solution obtained in the electrodialysis step is mixed with the acidic leaching solution, the metal-containing solution comprises iron, and the fluoride ions are precipitated by the iron.
Resumen de: GB2639764A
An electrolyte (102) of a zinc-bromine static battery (104), comprising zinc bromide in molar concentration from 1.5 to 3.0 M; a mixture of two or more quaternary ammonium salts in 30 to 55 % of the molar concentration of the ZnBr2; a glycol based anti-freezing agent in molar concentration 0.1 to 2.0 M; and one or more additional supporting ionic conducting agents selected from zinc chloride, potassium chloride, magnesium chloride, lithium chloride and calcium chloride, where each or the combination are present in a molar concentration 0.5 to 2 M. The ammonium salts may be selected from tetrapropylammonium bromide (TPAB) or chloride or tetrabutylammonium bromide (TBAB) or chloride along with tetraethylammonium bromide (TEAB) or chloride. The anti-freezing agent may be selected from monoethylene glycol, propylene glycol, 1,3-butylene glycol, polyethylene glycol 200, polyethylene glycol 400, or a combination thereof. The electrolyte may be free of pH maintaining agents and buffering agents.
Resumen de: EP4625630A2
The present invention relates to a pouch film of a secondary battery, the pouch film comprising: an inner layer; a metal layer stacked above the inner layer; and an outer layer which is stacked above the metal layer and in which colored dye particles are mixed. When forming of the pouch film, the concentration of the dye particles in a section B, in which the elongation occurs, becomes lower than that in a section A in which the elongation does not occur, as a result, the color concentration of the outer layer in the section B, in which the elongation occurs, becomes lighter and is mixed with the color of the metal layer stacked below the outer layer, thus, the color of the outer layer in the elongation occurrence section B changes.The present invention relates also to a pouch case of a secondary battery.
Resumen de: EP4625579A1
Set forth herein are compositions comprising A·(LiBH4)·B·(LiX)·C·(LiNH2),wherein X is fluorine, bromine, chloride, iodine, or a combination thereof, andwherein 0.1≤A≤3, 0.1≤B<4, and 0≤C≤9 that are suitable for use as solid electrolyte separators in lithium electrochemical devices. Also set forth herein are methods of making A·(LiBH4)·B·(LiX)·C·(LiNH2) compositions. Also disclosed herein are electrochemical devices which incorporate A ·(LiBH4)·B·(LiX) ·C ·(LiNH2) compositions and other materials.
Resumen de: EP4625565A1
Disclosed are a module pressurization and resting line and a scheduling method therefor. The module pressurization and resting line includes a plurality of pressurization lines, a resting line, and a resting transfer device, and each pressurization line is provided with a pressurization output end; the resting line is provided with a resting input end; the resting transfer device includes a first transfer turntable and a second transfer turntable, where the first transfer turntable is disposed between one of the pressurization output ends and the resting input end, and the first transfer turntable, along its rotational circumferential direction, is capable of being in transfer communication with the resting input end; the second transfer turntable is disposed between the other pressurization output ends and the first transfer turntable, and the first transfer turntable and the second transfer turntable, along their respective rotational circumferential directions, are each provided with a first position and a second position; at the first position, the first transfer turntable and the second transfer turntable are each capable of being in transfer communication with the corresponding pressurization output ends, and at the second position, the first transfer turntable and the second transfer turntable are capable of being in transfer communication with each other. Therefore, the issue of the large space requirement associated with existing power battery production lines is add
Resumen de: EP4625577A1
The invention relates to a system and a method (800, 900) for monitoring a gas source (302) for release of a gas analyte (902) using a monitoring system (300). The method comprises: generating a first sensor signal (906) characterizing an amount of the gas analyte being released by the gas source (302); monitoring an ambient environment (308) for an ambient gas (904); generating a second sensor signal characterizing (908) an amount of the ambient gas present in the ambient environment; determining a first sensor output (910) based upon a percent change of the first sensor signal relative to a first averaged sensor signal; determining a second sensor output (912) based upon a percent change of the second sensor signal relative to a second averaged sensor signal; evaluating the first sensor output relative to the second sensor output (914); and generating an alert signal (314) based on a result of the evaluation (916).
Resumen de: EP4625672A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the reinforcement component includes a first surface facing the electrode assembly, and a second surface connected to the first surface and extending in a direction opposite to the electrode assembly, and the second surface slopes toward a center of the reinforcement component in a height direction with increasing distance in the direction opposite to the electrode assembly.
Resumen de: EP4625674A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; an exterior film packaging the electrode assembly and the reinforcement component; and a buffering film disposed inside the exterior film and intended to enhance strength of the exterior film, wherein the buffering film is disposed on at least one of a corner of the electrode assembly and a corner of the reinforcement component.
Resumen de: EP4625675A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the electrode assembly and the reinforcement component are disposed separately, the exterior film includes an expansion portion located at a portion between the electrode assembly and the reinforcement component, and the expansion portion is configured to be capable of expanding when the exterior film expands with an increase in internal pressure of the electrical storage device.
Resumen de: EP4625673A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the reinforcement component includes a main body portion, and a stretched portion extending toward the electrode assembly from the main body portion, and the stretched portion tapers with decreasing distance from the electrode assembly.
Resumen de: EP4625651A2
A cooling fin according to an embodiment of the present disclosure forms a heat transfer path between a battery cell and a heat sink, wherein the cooling fin comprises a body part located in parallel with the battery cell, and an extension part extending from one end of the body part toward the heat sink, and wherein the extension part has a round shape that is curved to have a curvature.
Resumen de: EP4625623A1
According to an embodiment of the present disclosure, a battery module includes: a battery cell stack in which multiple battery cells are stacked; a module case configured to accommodate the battery cell stack; and a first thermal resin layer on a top side of the battery cell stack inside the module case.
Resumen de: EP4625540A1
The present disclosure relates to anode material and lithium ion battery. The anode material includes a porous carbonaceous material. A silicon material is distributed inside the porous carbonaceous material. The anode material has a uniformity degree N, and N meets N≥80%. In a Backscattered Electron (BSE) diagram obtained by scanning the anode material using a Scanning Electron Microscope (SEM) in a BSE automatic brightness and contrast mode, in any one of 100 µm*100 µm regions, the number of particles of the anode material having first brightness is recorded as C1, the first brightness indicates the anode material with a gray value in the BSE diagram greater than or equal to 5500, the number of particles of the anode material having second brightness is recorded as C2, the second brightness indicates the anode material with the gray value in the BSE diagram less than 5500, the anode material has a uniformity degree N'=C2/(C2+C1)*100% in the region, and the uniformity degree N of the anode material is an arithmetic mean of at least 10 N's.
Resumen de: EP4625605A2
Disclosed is a battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery. The secondary battery diagnosing apparatus includes a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery; a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process; and a processor configured to generate a plurality of charge and discharge measurement profiles based on the voltages measured at a plurality of different cycle points by the voltage measuring unit, compare each of the plurality of generated charge and discharge measurement profiles with a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile stored in the memory unit, and determine a positive electrode adjustment profile and a negative electrode adjustment profile for each of the plurality of generated charge and discharge measurement profiles so that an error between each charge and discharge measurement profile and the simulation profile is within a predetermined level.
Resumen de: EP4625656A1
Provided is an energy storage apparatus. Specifically, a battery pack for powering an electronic device is provided. The battery pack for powering an electronic device includes a housing assembly, a cell module, at least one temperature detection apparatus, and a detection support. The housing assembly is mounted to the electronic device and supported by the electronic device. The cell module includes multiple cells and a cell support supporting the multiple cells, where the cell module is disposed in the housing assembly. Multiple temperature detection apparatuses are configured to detect temperatures of the multiple cells. The detection support is configured to support a temperature detection apparatus to cause the position of the temperature detection apparatus in the housing assembly to be fixed. In the battery pack for powering an electronic device, the temperature detection apparatus is fixed through the detection support, which can ensure that the temperature detection apparatus can detect a temperature of a cell and prevent the temperature detection apparatus from falling off.
Resumen de: BE1032448A1
Un procédé sans solvant utilise un composite comprenant des nanotubes de carbone et un polymère pour préparer des compositions et des électrodes pour les batteries lithium-ion. Les nanotubes de carbone dans le composite peuvent être multifonctionnels, fournissant deux ou plusieurs caractéristiques souhaitables, agissant, par exemple, comme un additif de carbone conducteur, comme un agent de traitement, par exemple, de fibrillation, et/ou comme un renforcement mécanique. Le composite peut être combiné avec un matériau électroactif et liant ; le liant peut être traité, par exemple, fibrillé, en présence des nanotubes de carbone dans le composite. La composition obtenue peut être transformée en un film qui peut être appliqué sur un substrat approprié pour former une électrode
Resumen de: EP4625686A1
Provided are a liquid injection device and a production line. The liquid injection device comprises a vacuumizing air path (1), a first-level cup (2), a second-level cup (3), a plurality of injection paths (4), and a plurality of liquid flowing assemblies (5). The first-level cup (2) is formed with a plurality of buffer cavities that are isolated from each other; the second-level cup (3) is formed with a plurality of liquid injection cavities that are isolated from each other; the liquid injection cavities are all communicated with the vacuumizing air path (1); each injection path (4) is communicated with one buffer cavity; the liquid flowing assemblies (5), the buffer cavities, and the liquid injection cavities are arranged in a one-to-one correspondence manner; each liquid flowing assembly (5) comprises a liquid flowing channel (51) and a first switch element (52); the liquid flowing channel (51) is communicated with one buffer cavity and one liquid injection cavity; and the first switch element (52) is arranged in the liquid flowing channel (51) to selectively open or close the liquid flowing channel (51). Through the vacuumizing air path (1), the first-level cup (2), the second-level cup (3), the plurality of injection paths (4), and the plurality of liquid flowing assemblies (5), liquid preparation and vacuumizing can be carried out simultaneously, which can shorten the liquid injection time. One liquid injection device can inject liquid into a plurality of battery cells
Resumen de: EP4625683A1
A battery module includes a battery cell stack in which a plurality of battery cells is stacked, a module case for accommodating the battery cell stack, a busbar frame disposed on one side of the battery cell stack, one or more busbars disposed on the busbar frame, and a pad disposed on the busbar. The battery module relieves tension applied to electrode leads and prevents an electrode tab from breaking since the pad coupled to the busbar is compressed when a battery cell swells to cause the busbar to move.
Nº publicación: EP4625566A1 01/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4625566A1
A method for deriving process conditions for manufacturing a curved battery with a pressing jig including a first operation of checking a target value of a curvature of a bottom surface of a battery, a second operation of selecting key factors for manufacturing a battery having the curvature, and a third operation of verifying the key factors selected in the second operation by a predetermined experimental design method. The verified key factors may be used to form a curved battery having a target value for the curvature with the pressing jig.
BOPI
Sede Electrónica
