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1500
resultados
Última actualización
27/06/2026 [07:57:00]
Resultados 475 a 500 de 1500
Resumen de: EP4765212A1
An electrode manufacturing apparatus for a secondary battery includes a conveying part configured to convey an electrode plate, the electrode plate including a current collector coated with an electrode active material, a rolling part along the conveying part, the rolling part being configured to roll the electrode plate, and a roller part above the conveying part, the roller part including a roller base and an adhesive film covering a portion of the roller base, and the roller part being configured to roll a non-coated part of the current collector.
Resumen de: EP4765391A1
A battery module (100) includes a plurality of battery cells (10) arranged in parallel with each other in a first direction (x), with each of the battery cells (10) including a case (15) accommodating an electrode assembly (210). An insulating tape (120) wraps the case (15) of each of the plurality of battery cells (10), and a plurality of holes (121) are formed in each of the insulating tapes (120). The holes (121) are formed in a portion of each of the insulating tapes (120) that wraps one or more larger surfaces among side surfaces of each of the battery cells (10), and an adhesive (130) is provided inside the holes (121).
Resumen de: EP4765353A1
The power storage device (2A) includes an electrode assembly (101), a housing case (20) that houses the electrode assembly (101), and an exhaust valve (21ab) formed on the housing case (20). The housing case (20) includes a first end plate (22), a second end plate (21a), and a peripheral wall (21b) provided between the first end plate (22) and the second end plate (21a). A portion of the peripheral wall (21b) on the side of the second end plate (21a) is thinner than a portion thereof on the side of the first end plate (22). The exhaust valve (21ab) is formed on the second end plate (21a).
Resumen de: EP4765352A1
A secondary battery and a battery pack including the same are disclosed. The secondary battery includes a case, an electrode assembly accommodated in the case, a cap plate coupled to the case to seal the case and including a vent, and a venting reinforcement part on the cap plate and spaced apart from the vent.
Resumen de: EP4765390A1
A battery module includes battery cells arranged in a first direction, and spacers respectively between respective ones of the battery cells, and including a first spacer defining first openings, and a second spacer overlapping the first spacer along the first direction and defining second openings that are misaligned from the first openings.
Resumen de: EP4765441A1
0001 A secondary battery and a battery pack are disclosed. A secondary battery includes a case having an opening, an electrode assembly accommodated in the case, an electrode tab electrically connected to the electrode assembly, a cap plate to close the opening, a terminal including a terminal body passing through the cap plate, and a plate coupling portion located inside the case and connected to the terminal body, and a connection plate including an electrode tab coupling portion welded to the electrode tab, and a terminal coupling portion welded to the plate coupling portion.
Resumen de: EP4765242A1
0001 An electrode active material including: a powder material that contains a Si phase composed of Si in which an element X is dissolved and a SiX compound phase composed of a compound of Si and the element X, in which the powder material has a cumulative 50% particle diameter D50 of 0.1 µm or more and 1.0 µm or less and a cumulative 99% particle diameter D99 of 3.0 µm or less, and the element X is at least one selected from Fe, Ti, Cr, Mn, Co, Ni, Zr, B, and P.
Resumen de: EP4765347A1
According to the present disclosure, a secondary battery is provided, which comprises an electrode assembly provided with an uncoated portion, a first current collector and a second current collector each comprising a connection portion electrically connected to the uncoated portion of the electrode assembly, a case having one open side to accommodate the electrode assembly, the first current collector, and the second current collector, and a cap plate covering the open side of the case.
Resumen de: EP4765333A1
A battery cluster (2000) includes a plurality of battery packs (3030) configured to be electrically coupled to one another and to external electrical equipment (6000). Each battery pack (3030) includes a charging-discharging circuit (0040), a low-voltage interface (4101) and a high-voltage interface (4102). The plurality of battery packs (3030) includes at least one type-one battery pack having a pack-level battery management circuit (300) and a high-voltage switching circuit (4079) in a high-voltage power path, and at least one type-two battery pack. The type-one and type-two battery packs are interconnected such that a same high-voltage power path extends through both, and opening the high-voltage switching circuit (4079) of the type-one battery pack interrupts current flowing through the high-voltage power path. The pack-level battery management circuit (300) communicates with the cell monitoring circuit (305) via the low-voltage interfaces (4101) and control at least the high-voltage switching circuit (4079).
Resumen de: EP4765332A1
A battery pack includes at least one battery module (3010) and two lid modules. The battery module (3010) includes a plurality of battery cells (0020), a cell holder (0050), and a liquid-limiting casing (0080). The liquid-limiting casing (0080) is configured as a tubing structure having a peripheral wall (0090) laterally surrounding a space. The peripheral wall (0090) defines a module liquid opening (0094/0095) at a vertical end and includes at least one module-wall-vertical-channel (3098) extending vertically therein and at least one module-wall-lateral-channel (3099) extending laterally therethrough. The battery pack defines a first fluid path connecting a lid liquid channel and the space via the module liquid opening (0094/0095), and a second fluid path connecting the lid liquid channel and the space via the module liquid opening (0094/0095), the module-wall-vertical-channel (3098), and the module-wall-lateral-channel (3099). This architecture provides synergistic bulk and targeted cooling without external piping.
Resumen de: EP4765317A1
0001 An insulating composition according to one embodiment of the disclosure is an insulating composition including solids in an amount of 35% by weight or less based on the total weight, the solids include inorganic particles, a polymer material, and clay, the clay has positive charges and negative charges distributed within particles thereof and is included in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the solid content, and the polymer material includes a functional group-containing polymer. The insulating composition has low viscosity at high shear rates and high viscosity at low shear rates, thereby providing excellent coating processability and enabling formation of a narrow insulation width by minimizing sliding portions during insulating layer formation, which can prevent the problem of reversal of the positive electrode/negative electrode capacity ratio that may occur due to sliding portions.
Resumen de: EP4765343A1
A battery system according to an embodiment of the present invention may comprise: a plurality of battery assemblies; a plurality of heaters that correspond to respective battery assemblies and are arranged to be connected in series on a heater driving path; and a battery management device for monitoring and managing the battery assemblies and the heaters. The battery management device may control a heater driving switch disposed on the heater driving path so as to turn the heaters on or off simultaneously.
Resumen de: EP4765250A1
0001 The present invention provides a positive electrode active material including at least one of a single particle composed of one nodule and a pseudo-single particle that is a composite of 30 or less nodules, wherein a degree of single crystal formation defined by Equation (A) is 2.7 or more. Degree of single crystal formation = ∑ i = 1 n 4 π 3 × R i 3 n
0002 In Equation (A), R is a radius of an i
Resumen de: EP4765465A1
The present disclosure relates to a secondary battery capable of being repeatedly charged and discharged and a method for manufacturing such a secondary battery. A secondary battery according to an embodiment of the present disclosure may include an electrode assembly; a case accommodating the electrode assembly; an electrode lead connected to an electrode tab of the electrode assembly and partially protruding to outside of the case; and an elastic body coupled to the case and pressing one side and the other side of the electrode lead.
Resumen de: GB2702656A
A method of controlling temperature variations across a battery pack of a vehicle comprises receiving cooling inlet parameters associated with a cell cooling plate 104, at least one of coolant inlet flow rate and temperature, and cell parameters of a plurality of battery cells 106, at least one of heat dissipation rate and cell location information. The temperature at the cell cooling plate interface is determined by applying a Physical Informed Neural Network (PINN) model. The determined temperature is used to calculate a maximum temperature deviation across each cell. At least one of an optimal coolant inlet flow rate and optimal coolant inlet temperature is determined when the maximum temperature deviation exceeds a threshold. The temperature variations are then controlled based on the optimal value(s). A system for controlling the variations comprises sensors for determining the required parameters and at least one processor for performing the method. Figure 1
Resumen de: EP4763355A1
0001 A slot die coater includes a first die block, a second die block below the first die block, a third die block below the second die block, a first spacer between the first die block and the second die block, the first spacer defining a first slot through which a first slurry is to be discharged, the first spacer including a first base, first and second sub-guides extending from opposite sides of the first base, respectively, in a first slurry discharge direction, and an amount of the first slurry to be discharged from the first slot being determined based on shapes of the first and second sub-guides, and a second spacer between the second die block and the third die block, the second spacer defining a second slot through which a second slurry is to be discharged.
Resumen de: EP4764011A1
0001 The present invention provides a novel method capable of recovering Ni and Co as well as Cu from a battery waste containing Ni, Co, and Cu with a high recovery ratio, in which a leaching agent is suitable for reuse. The method for reproducing valuable metals according to the present disclosure includes: a Cu leaching step of leaching Cu, using an ammonia water, from battery waste containing Ni, Co, and Cu into the ammonia water; and an Ni and Co leaching step of leaching Ni and Co, using an ammonia aqueous solution containing ammonia and at least one inorganic ammonium salt selected from a group consisting of ammonium sulfate and ammonium carbonate, from a solid residue obtained in the Cu leaching step into the ammonia aqueous solution.
Resumen de: EP4764024A1
0001 A method for manufacturing a roller for rolling an electrode sheet, comprising a hard layer formed by physical vapor deposition (PVD) according to an embodiment of the present disclosure comprises: forming a hard layer by PVD on a roller core made of steel containing carbon; and polishing the hard layer so that a thickness of the hard layer at a center portion of the roller is different from a thickness of the hard layer at an end portion of the roller.
Resumen de: GB2702749A
A redox flow battery system 1 comprises at least one pair of battery modules 35,35'; 37,37'; 39,39 housed in a respective container (15, fig 2) and provided opposite each other with a shared service corridor 3 positioned therebetween, each container including an access portal (57, fig 3) accessible from the shared service corridor. This arrangement provides access to an equipment or power block 47 of each battery module, wherein the equipment block is installable into and removable from (e.g. may slide in and out of) its container by moving the equipment or power block through the container access portal to or from the shared service corridor. The container may be an intermodal (or 'ISO') shipping container. This system reduces the footprint required to deploy a redox flow battery system, facilitating its deployment in constrained spaces, whilst ensuring the system can be serviced and maintained effectively and safely. A method of installing and/or removing an equipment block from a container of the system via the shared corridor is also described. The system is preferably a vanadium redox flow battery system. Use figure 1
Resumen de: GB2702765A
An energy storage cell 100 with an anode 101; a cathode 102; a first solid-state electrolyte 103 having a melting temperature above 300 ℃; and a second solid-state electrolyte 104 having a melting temperature below 300 ℃. The first solid-state electrolyte is configured to isolate the anode and cathode from one another; and the second solid-state electrolyte is positioned at least partially between the cathode and the first solid-state electrolyte. The first electrolyte may include a material that can be densified by sintering. The first solid electrolyte may include garnet, a perovskite, a NASICON or derivatives thereof. The second electrolyte may have a melting point of at least 25 ℃. The second solid electrolyte may include a ternary halide, an antiperovskite or derivatives thereof. The cell may further comprise a third solid-state electrolyte positioned at least partially between the cathode and the first solid-state electrolyte. The third solid-state electrolyte may have a melting point of at least 200 ℃. The melting point of the third electrolyte may be at least 10 ℃ higher than the melting point of the second electrolyte. Figure 1
Resumen de: GB2702736A
A battery enclosure 1 for an electric vehicle comprising a tray 100 and opening for insertion, containment and removal of at least one battery cell 2a and a lid 200 for closure of the opening. The base of the tray 100 and/or lid 200 comprises a sheet extending across the opening and includes a hole 212a and housing 20 through which at least one element passes to be enclosed which may include electrical connectors, coolant conduits, coolant fluids battery cells and battery modules. The battery enclosure 1 may comprise a continuous fibre reinforced polymer composite material such as glass fibres, carbon fibres and/or aramid fibres. The sheet may be substantially planar and multi-layered including metal. The housing 20 may have a different composition to the sheet, be overmoulded and extend away from the hole 212a to enclose a battery cell 2a. A second housing 30 may be joined to the sheet. A method of manufacturing a battery enclosure 1 is also defined, which may involve moulding or overmoulding. Figure 6
Resumen de: GB2702606A
A cylindrical battery cell 12 for a battery module (10, Figure 1) of a motor vehicle, comprising a cell housing 14 containing a plurality of layers 18 arranged adjacent to one another in an axial direction 24. A solid-state electrolyte layer 28 is arranged between a cathode layer 26 and a further layer 30, that may be an anode layer, or a facilitating layer made up of silver-carbon or silicon. A lid 34 may also partially define receiving space 16 and pressurise the layers 18. The cell housing 14 may comprise a wall 36 and a cover element 42 extending perpendicularly to the wall 36 on an outer side 44 of the lid 34. The cover element 42 may be integrally formed with the wall 36 in one piece and made by flanging or formed separately and welded together. A method for manufacturing the cylindrical battery cell 12 for a battery module (10, Figure 1) of a motor vehicle is also defined. Figure 2
Resumen de: EP4765277A1
Disclosed are a unit cell stacking apparatus including a conveyor belt configured to allow a unit cell to be seated thereon and to transfer the unit cell to one side or the other side, a transfer unit configured to transfer the unit cell while suctioning an upper surface of the unit cell, an image capturing unit configured to capture an image of the unit cell, a controller configured to determine whether the unit cell is defective based on information received from the image capturing unit, a stacking unit configured to allow a normal unit cell determined to be normal by the controller to be stacked thereon, and an ejection unit configured to eject a defective unit cell determined to be defective by the controller, and a unit cell stacking method using the same.
Resumen de: EP4765384A1
0001 Disclosed are a pouch-shaped battery cell including an electrode assembly in which a positive electrode and a negative electrode are stacked with a separator interposed therebetween and a pouch-shaped battery case having an electrode assembly receiving portion configured to receive the electrode assembly, wherein the pouch-shaped battery case includes a first case and a second case, the first case and the second case are coupled to each other such that outer peripheries thereof are aligned with each other to form a sealed portion, and the sealed portion is a roll-shaped sealed portion wound in the shape of a roll, a sealed portion rolling apparatus for the pouch-shaped battery cell, and a sealed portion rolling method using the same.
Nº publicación: EP4765365A1 24/06/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Resumen de: EP4765365A1
0001 According to exemplary embodiments, a secondary battery is provided. The secondary battery may include: a cell case including an inner space; a thermal insulation partition wall separating the inner space into a plurality of accommodating spaces; electrode assemblies accommodated in each of the accommodating spaces; and venting covers overlapping each of the accommodating spaces. Each of the venting covers may be configured to rupture when an internal pressure of each corresponding accommodating space is equal to or greater than a reference pressure.
BOPI
Sede Electrónica
