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1893
resultados
Última actualización
27/06/2025 [06:48:00]
Resultados 175 a 200 de 1893
Resumen de: EP4576400A1
Provided is a battery cell assembly according to example embodiments. The battery cell assembly includes a cell stack including a plurality of pouch type battery cells, and a top plate assembly on the cell stack, in which the top plate assembly includes a top plate, a bus bar frame coupled to the top plate, and a plurality of bus bars on the bus bar frame, and each of the bus bar frames includes a material different from a material of the top plate.
Resumen de: EP4576238A1
Disclosed is an electrode manufacturing apparatus, which includes a slitting roll containing a knife for cutting an electrode; and at least one bracket located downstream in a movement direction of an electrode spaced apart from the slitting roll by a predetermined distance and having a plurality of micro holes provided at a position facing the electrode, the bracket being configured to remove foreign matter generated as a result of cutting the electrode on the slitting roll through the micro holes.
Resumen de: EP4574758A1
The present invention provides a carbon nanotube dispersion, a method of preparing the same, an electrode slurry composition and secondary battery including the carbon nanotube dispersion, wherein the carbon nanotube dispersion includes carbon nanotubes, the first dispersant surrounding the surface of the carbon nanotubes, the second dispersant for introducing charges to the surface of the carbon nanotubes, and a storage stabilizer having electrostatic repulsion against the charges.
Resumen de: EP4576412A1
The present disclosure provides a battery cell, a battery, and an electric device, relating to the technology field of batteries. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member. The battery cell with the structure is capable of fixing the support frame to the first insulating member so as to fasten the support frame within the housing. This can reduce the phenomenon of the support frame shifting or displacing during use, thereby reducing the risk of the support frame damaging the electrode assembly due to shifting or displacement, improving the stability and reliability of the battery cell in use, and thus benefiting the improvement of the safety and service life of the battery cell.
Resumen de: EP4574365A1
An electrode plate (10) notching apparatus and an electrode plate (10) notching method using the same are disclosed. An electrode plate (10) notching apparatus includes a first mold (100) including a punch hole (131), a second mold (200) configured to vertically move above the first mold (100) and including a punch (230), a first body (300) coupled to the first mold (100) and spaced apart from the punch hole (131), a second body (400) coupled to the second mold (200) and facing the first body (300), a scrap pusher (500) movably arranged on the second body (400) and configured to discharge a scrap from the punch hole (131), and a trigger (600) arranged on the first body (300) and configured to move the scrap pusher (500) in conjunction with vertical movement of the second body (400).
Resumen de: EP4574251A1
Disclosed are a spliced ceramic sheet (100) and a ceramic sheet liner thereof. The spliced ceramic sheet (100) includes two mating side surfaces (1) opposite to each other. One mating side surface (1) is provided with a mating rib (11) and another mating side surface (1) is provided with a mating groove (12), and the mating groove (12) runs through both ends of the mating side surface (1) in a length direction. The mating rib (11) of the spliced ceramic sheet (100) is configured to be installed in the mating groove (12) of an adjacent spliced ceramic sheet (100), a positioning structure is formed between the mating rib (11) and the mating groove (12), and the positioning structure is configured to position the mating rib (11) in the mating groove (12).
Resumen de: EP4575018A1
The present invention provides an apparatus for a chlorination method to recycle metal elements in lithium batteries, comprising: a device for pretreating lithium batteries, configured to remove organic components in the lithium batteries and obtain a mixture of powders containing positive-electrode materials; a chlorination furnace, configured to heat and chlorinate the powders at a heating temperature of no less than 500 °C; a gas outlet of the chlorination furnace is connected to inlet of a first gas-solid filtration device; a gas outlet of the gas-solid filtration device is connected to a first desublimation device, wherein the first desublimation is set to be below 306°C and above 178°C; a gas outlet of the first desublimation device is connected to a second desublimation device; wherein the second desublimation is set to be below 178°C.
Resumen de: EP4576321A1
The present disclosure relates to an overheating diagnosis method, an overheating diagnosis apparatus, and a battery system providing the same. The overheating diagnosis apparatus includes: a measuring unit configured to measure a temperature of an object; a storage unit configured to store a temperature value measured by the measuring unit; and a control unit configured to extract, at each diagnosis point at which overheating of the object is diagnosed, a plurality of previous diagnosis points corresponding to a predetermined number of samples based on a diagnosis point, calculate a moving average value which is an average of a plurality of temperature values corresponding to each of the plurality of previous diagnosis points, and calculate an standard deviation average value which is an average of a plurality of standard deviations corresponding to each of the plurality of previous diagnosis points, wherein when an error value calculated by multiplying the standard deviation average value by a predetermined multiple is greater than or equal to a predetermined error reference value, the control unit is further configured to: calculate an overheating reference value by adding the error value to the moving average value, and diagnose an occurrence of an overheating event for the object by comparing the temperature value measured at each diagnosis point with the overheating reference value calculated at each diagnosis point.
Resumen de: EP4574705A1
The present disclosure relates to a battery tray and a battery transfer system that may safely transfer produced batteries. Specifically, in the present disclosure, by using magnetism to reduce the impact amount applied to the battery tray, it is possible to reduce the impact applied to the battery inserted into the battery tray. Therefore, according to an embodiment of the present disclosure, the battery may be transferred safely.
Resumen de: EP4576402A1
A battery cell according to an embodiment of the present disclosure includes an electrode assembly in which a first electrode and a second electrode are wound around a winding axis while a separator is interposed therebetween, thereby defining a core and an outer circumferential surface, the first electrode including a first non-coated portion that is not coated with an active material layer along the winding direction; a battery housing having an opening provided on one side thereof and configured to accommodate the electrode assembly through the opening; and a collector including a support portion disposed on an upper portion of the electrode assembly, a tap coupling portion extending from the support portion and coupled to the first non-coated portion, and a housing coupling portion extending from the support portion to be electrically coupled to the inner surface of the battery housing and configured capable of being elongated in its length.
Resumen de: EP4576392A1
The present disclosure relates to a separator, a secondary battery comprising the same and a method for manufacturing the same, and the separator has a porous coating layer including two types of binder polymers in different regions of the porous coating layer, wherein the binder polymers dissolve in an electrolyte solution at different temperatures, to form lithium ion paths in the separator, thereby achieving high ionic conductivity and meeting resistance and stability requirements for the secondary battery.
Resumen de: EP4576381A1
The present disclosure provides a battery pack configured such that, when gas is generated inside a battery module, high-temperature gas is to be discharged to the outside of the battery pack without affecting other adjacent battery modules. A battery pack according to one aspect of the disclosure includes a pack housing, a first battery module, a second battery module, and a pack cover.
Resumen de: EP4576492A1
Heating a battery pack for a power tool may be required to accelerate a charging time, especially in cold environments. Not all battery packs of a set of battery packs will heat at the same rate because of differences due to physical (e.g., mass) and electrical (e.g., AC resistance) differences. The disclosed approach includes determining an amplitude of an AC heating current based on characteristics of the battery pack attached to a charger so that all the battery packs in the set of battery packs may be heated at roughly the same rate regardless of their individual characteristics. The disclosure describes how this approach may be implemented in a variety of different charging scenarios.
Resumen de: EP4576390A1
Embodiment of the present disclosure relate to a separator and a secondary battery comprising the same. According to an aspect of the present disclosure, a separator comprising: a porous substrate; and an inorganic particle layer which is formed on at least one surface of the porous substrate and comprises a binder and inorganic particles, wherein the separator has a first peak shown in a range of 3800 to 3400 cm<sup>-1</sup> and a second peak shown in a range of 1800 to 1500 cm<sup>-1</sup> in a spectrum by Fourier-transform infrared spectroscopy (FT-IR) measured after performing 600 cycles of charge and discharge, is provided.
Resumen de: EP4576297A1
A secondary battery having a structure in which a vent having a low coupling force due to fusion is provided in a sealed portion such that the vent is easily broken if a secondary battery made of stainless steel (SUS) or steel with a plating layer formed on the surface thereof is expanded by internal pressure, thereby improving safety. The secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate and a case configured to receive the electrode assembly. The case includes a metal layer and a sealed portion sealed by fusion on at least three sides. The sealed portion includes at least one vent.
Resumen de: EP4576300A1
A lithium battery including a cathode, an anode current collector, and an electrolyte layer disposed between the cathode and the anode current collector is provided. The electrolyte layer includes a gel polymer electrolyte, wherein the gel polymer electrolyte includes a first polymer, a first lithium salt, a second lithium salt, a first organic solvent, and a second organic solvent, the first polymer includes a repeating unit derived from a first crosslinking monomer including three or more reactive functional groups, and the first lithium salt and the second lithium salt each independently include a borate-based lithium salt.
Resumen de: EP4576251A1
Provided are anode material, preparation method therefor, and lithium-ion battery, which relate to the technical field of lithium-ion batteries. The anode material comprises a porous carbon substrate and silicon, the silicon being dispersed in the pores and/or surface of the porous carbon substrate. The preparation method for the anode material comprises: mixing and treating a porous carbon powder and a binder to obtain a porous carbon substrate; and compounding silicon nanoparticles on the porous carbon substrate to obtain the anode material. Adjusting and selecting process parameters allows for reducing the porosity between porous carbon, achieving silicon filling the pores of porous carbon, further forming a high-density anode material, greatly increasing compaction density and volume specific capacity, and improving the related electrochemical performance of the anode material in a lithium-ion battery.
Resumen de: EP4576404A1
A battery pack according to one example of the present invention comprises first and second cell modules each including a plurality of battery cells having a first electrode terminal and a second electrode terminal, a case in which the plurality of battery cells is accommodated, a first connection tab connected to the first electrode terminal and exposed to a first end side of the case, and a second connection tab connected to the second electrode terminal and extending outside a second end of the case, which is opposite to the first end; and a circuit board part electrically connecting the first cell module and the second cell module in a state where the first cell module and the second cell module are sequentially arranged, wherein the first cell module and the second cell module may be disposed so that the second connection tab of the first cell module is positioned on the first connection tab of the second cell module, and the circuit board part may be located on the second connection tab of the first cell module, and may be electrically connected to the first connection tab of the second cell module via the second connection tab of the first cell module.
Resumen de: EP4576370A1
A battery case is provided and includes: a battery tray bracket; a case body; and a slider detachment member. The case body has a case outer frame and a support beam. The case outer frame defines a battery compartment inside the case outer frame. The case outer frame and/or the support beam defines with an anti-detachment slide slot. The support beam is fixedly connected to the case outer frame. The slider detachment member is slidably arranged in the anti-detachment slide slot. An anti-detachment snap portion of the slider detachment member is configured to constrain and fix the battery tray bracket to the case outer frame and the support beam.
Resumen de: EP4576383A1
A battery pack according to an embodiment of the present disclosure may include: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells and having a venting portion configured to discharge gas generated from the battery cells to the outside; and a protective cover configured to cover at least a portion of the venting portion.
Resumen de: EP4576416A1
A cleaning device for cleaning a battery cell according to an embodiment of the present disclosure includes a cleaning disk configured to mount a plurality of battery cells at predetermined intervals and to be rotatable around the central rotation center, an inner cleaning nozzle provided in a direction toward the rotation center of the cleaning disk with respect to the cleaning disk, and an outer cleaning nozzle provided in a direction opposite to the inner cleaning nozzle with respect to the cleaning disk.
Resumen de: EP4576261A1
The present invention relates to a positive electrode material including: a first positive electrode active material being in the form of a secondary particle in which a plurality of grains are aggregated, comprising an orientational structure in which the long axis of the grain is arranged toward the surface from the center of the secondary particle in at least a portion of the secondary particle, and having a cobalt concentration at the grain boundary, which is the interface between the grains, higher than a cobalt concentration inside the grains; and a second positive electrode active material comprising a center part having at least one form among a single particle composed of one nodule and a quasi-single particle composed of a composite of at most 30 nodules, and a coating layer formed on the center part and containing cobalt.
Resumen de: EP4576308A1
The present disclosure relates to an electrolyte for a lithium-sulfur secondary battery and a lithium-sulfur secondary battery comprising the same, and provides a lithium-sulfur secondary battery with improved life characteristics by adjusting a solvent, a nonsolvent and a lithium salt included in the electrolyte to specific conditions.
Resumen de: EP4576415A2
Disclosed are a cylindrical battery cell cleaning device, a cylindrical battery cell produced using the same, and a battery pack and a vehicle including the cylindrical battery cell. A cylindrical battery cell cleaning device according to an embodiment of the present disclosure includes a rotating member coupled to a cell carrier on which a cylindrical battery cell is seated and rotating by being coupled to a rotating shaft; a fixing member disposed on the outside of the rotating member and in contact with the cell carrier so that the cell carrier rotates in conjunction with the rotation of the rotating member when the rotating member rotates; and a spraying member that sprays cleaning water toward the cylindrical battery cell seated on the cell carrier.
Nº publicación: EP4576250A1 25/06/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4576250A1
The present invention provides an all-solid-state lithium-ion secondary battery comprising a positive electrode, a negative electrode, and a solid electrolyte interposed between the positive electrode and the negative electrode, wherein the negative electrode comprises a negative electrode current collector and a negative electrode active material layer, and wherein the negative electrode active material layer comprises a carbon material and Ag, and comprises two or more layers.
BOPI
Sede Electrónica
