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1426
resultados
Última actualización
29/06/2026 [08:41:00]
Resultados 1150 a 1175 de 1426
Resumen de: EP4760309A1
A battery management apparatus according to an embodiment disclosed herein includes a data obtaining unit configured to obtain degradation score data including a storage degradation score with respect to state of charge (SOC) and temperature of batteries of each of a plurality of vehicles and state data of the batteries and a controller configured to calculate, based on the state data, a first score related to a cycle degradation degree of a target battery that is a battery of a target vehicle among the plurality of vehicles in a discharging section of the target vehicle, calculate, based on state data of the target battery and the degradation score data, a second score related to a storage degradation degree of the target battery in the discharging section of the target vehicle, and manage a state of the target battery by calculating a stress score of the target battery based on the first score and the second score.
Resumen de: EP4760313A1
Disclosed is an apparatus for diagnosing a battery, which includes a profile obtaining unit configured to obtain a charging profile representing a voltage change of a battery in a charging process; and a control unit configured to calculate a voltage change amount of the battery at a point in time when charging starts in the charging profile, calculate a target resistance of the battery based on the calculated voltage change amount, and diagnose a state of the battery by comparing the target resistance with a first resistance profile in which a target resistance of the battery calculated in a previous charging cycle is stored.
Resumen de: EP4760946A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure may include: a plurality of battery modules in which a plurality of battery cells are stacked; a pack case configured to store the plurality of battery modules and having a venting unit formed therein; and a protective cover member coupled to the pack case at a portion where the venting unit is located to protect the venting unit.
Resumen de: EP4760894A1
The present disclosure relates to a secondary battery, and more specifically, to a secondary battery that can be charged and discharged. A secondary battery according to an embodiment of the present disclosure may include an electrode assembly; a pouch-type exterior material having an internal space that accommodates the electrode assembly and an exterior material opening that allows the internal space to communicate with the outside; a cover member inserted into the exterior material opening to seal the internal space; and a gas pocket formed on the pouch-type exterior material to capture gas generated in the internal space.
Resumen de: EP4760310A1
A battery diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain time-series data related to states of a plurality of battery cells included in a battery module, a voltage diagnosing unit configured to calculate a long-short term voltage moving average difference of each battery cell based on the time-series data and diagnose voltage abnormality of each battery cell based on the long-short term voltage moving average difference, a capacity diagnosing unit configured to calculate a state of health (SOH) deviation of each battery cell based on the time-series data and diagnose capacity abnormality of each battery cell based on the SOH deviation, and a detecting unit configured to detect an abnormal battery cell based on a diagnosis result of at least one of the voltage diagnosing unit or the capacity diagnosing unit.
Resumen de: EP4760891A1
The present disclosure relates to a secondary battery that can be charged and discharged and a method for manufacturing such a secondary battery. A secondary battery according to the present disclosure may include an electrode assembly; a pouch-type exterior material having an internal space that accommodates the electrode assembly and an exterior material opening that allows the internal space to communicate with the outside; and a cover member inserted into the exterior material opening, wherein the exterior material may include a plurality of wing portions folded to meet an outer surface facing the outside among surfaces of the cover member, and the plurality of wing portions may be coupled to the outer surface of the cover member to seal the internal space. A method for manufacturing a secondary battery according to the present disclosure may include a preparation step of preparing an electrode assembly and an exterior material sheet where a plurality of wing portions are formed; a packaging step of wrapping the electrode assembly with the exterior material sheet so that an internal space accommodating the electrode assembly and an exterior material opening allowing the internal space to communicate with the outside are formed; a cover member insertion step of inserting a cover member into the exterior material opening; a folding step of folding the plurality of wing portions so that the plurality of wing portions meet an outer surface facing the outside among surfaces of
Resumen de: EP4760919A1
The present disclosure relates to a battery pack including a plurality of battery cells that can be charged and discharged. A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells, a case forming an internal space in which the plurality of battery cells are accommodated, and a reinforcing member interposed between inner walls of the case to prevent deformation of the case, wherein the reinforcing member may include a first reinforcing member contacting one inner wall of the case, a second reinforcing member contacting the other inner wall of the case, and a third reinforcing member formed thicker than the first and second reinforcing members and connecting the first and second reinforcing members between the first and second reinforcing members. At this time, the third reinforcing member may have a rod shape extending in a length direction of the battery cell, and the third reinforcing member may include a through hole formed along a direction in which the third reinforcing member extends.
Resumen de: EP4760966A1
An electrode assembly according to the present disclosure includes a plurality of electrodes having electrode tabs and an electrode lead coupled to the electrode tabs, wherein the plurality of electrode tabs include a first type electrode tab and a second type electrode tab coupled to one surface of the electrode lead and formed to extend longer than the first type electrode tab.
Resumen de: EP4760034A1
The present disclosure provides a door opening/closing system applied to a case having an accommodation space therein. The door opening/closing system according to certain embodiments comprises: a door that can move in one direction to cover the accommodation space; a rod bar coupled to the door; a handle coupled to the rod bar; a roller support coupled to the rod bar and moving integrally with the rod bar; a roller coupled to an end of the roller support; and a roller bracket coupled to the case. When a user moves the handle up or down, the rod bar moves integrally with the handle. The roller bracket comprises a rail that extends along moving route of the roller and corresponds to the roller.
Resumen de: EP4760933A1
A battery pack and an electrical device are provided. The battery pack includes a battery case and a cell module. The battery case has an accommodation space. The cell module is disposed in the accommodation space. The cell module includes a cell group and a colloid fixing part. The colloid fixing part is provided with multiple cell mounting holes. The cell group includes multiple cells, and each of the cells is disposed in a respective one of the cell mounting holes.
Resumen de: EP4760925A1
Embodiments provide a battery pack. The battery pack includes a base plate, a thermal interface material (TIM) layer on the base plate, and a battery cell assembly on the TIM layer, and the battery cell assembly includes a plurality of battery cells arranged in a first direction, first and second side beams spaced apart from each other in the first direction with the plurality of battery cells between the first and second side beams, and a lifting band coupled to the first and second side beams.
Resumen de: EP4760833A1
Example embodiments provide a battery cell manufacturing apparatus. The battery cell manufacturing apparatus includes a first image obtaining part configured to obtain first images of first electrode assemblies including on one end an electrode tab stack of a first electrode and a first electrode lead welded to the electrode tab stack, a second image obtaining part configured to obtain a second image of a second electrode assembly judged to be available by a re-inspection among first electrode assemblies judged to be defective by an inspection based on the first images, an image matching device including an image matching part configured to compare the second image with the first images and extract a first image matching the second image, and an identifier (ID) allocation device configured to allocate an ID of a first electrode assembly corresponding to the first image matching the second image as an ID of the second electrode assembly.A battery cell system including the battery cell manufacturing apparatus is also provided.The present technology also provides a battery cell manufacturing method using image matching.
Resumen de: EP4760967A1
Provided is a current collecting plate that is connected to an electrode tab provided at one end among the two ends of the electrode assembly in the axial direction, wherein the one end is inserted into a can while facing the bottom thereof. The current collecting plate comprises: a terminal joint part that has one side surface joined to a cap, the bottom of the can, or an electrode terminal; an electrode joint part that surrounds the terminal joint part from the outside of the terminal joint part in the radial direction and has the other side connected to the electrode tab of the electrode assembly; elastic connection parts that are disposed between the electrode joint part and the terminal joint part and electrically connect the electrode joint part and the terminal joint part; and an opening that is disposed between the elastic connection parts adjacent in the circumferential direction and separates the electrode joint part and the terminal joint part in the radial direction or the axial direction.
Resumen de: EP4760845A1
A non-aqueous electrolytic solution energy storage device according to one aspect of the present invention includes: an electrode body including a positive electrode and a negative electrode; a non-aqueous electrolytic solution; and a container accommodating therein the electrode body and the non-aqueous electrolytic solution, in which: the positive electrode includes a positive electrode active material layer containing a positive electrode active material; the negative electrode includes a negative electrode active material layer containing a negative electrode active material; the positive electrode active material contains a tungsten element; the negative electrode active material contains graphite; the non-aqueous electrolytic solution contains a first additive having a reductive decomposition potential of 1.5 V (vs. Li/Li+) or more; and a ratio (A1/B) of an amount of substance (A1) of the first additive contained in the non-aqueous electrolytic solution to a surface area (B) of the negative electrode active material layer is 2.0×10-7 mol/m2 or more.
Resumen de: EP4760806A1
The present invention relates to a blended positive electrode material comprising a first positive electrode active material containing a first lithium transition metal oxide and a second positive electrode active material containing a second lithium transition metal oxide, wherein each of the first lithium transition metal oxide and the second lithium transition metal oxide has a nickel content of 70 mol% or greater with respect to of all metals excluding lithium, the first positive electrode active material has a D50 greater than the second positive electrode active material, and EELS analysis results of particle surfaces of both the first positive electrode active material and the second positive electrode active material satisfy Equation 1, and a method for preparing the same.
Resumen de: EP4759477A1
According to exemplary embodiments, a device for assembling a die coater is provided. The device includes a jig having a Γ shape; a measuring instrument coupled to the jig and configured to measure a relative position of a first die and a shim; an adjuster coupled to the jig and configured to move the shim; and a fixing assembly configured to fix the jig to the first die.
Resumen de: EP4760816A1
The present invention relates to a positive active material and a lithium secondary battery comprising same, the positive electrode active material being a high-nickel lithium transition metal composite oxide having a layered structure and having a lattice volume V satisfying expression 1 and a Curie-Weiss temperature T satisfying expression 2. Expression 1 101.4 Å3 ≤ V ≤ 101.75 Å3 Expression 2 0 K ≤ T ≤ 30 K The present invention can easily check, at the material level, whether the battery capacity of a manufactured battery accurately conforms to the required capacity, and can control same, and enables the minimization of the deviation between the target design capacity and the actual capacity of the manufactured battery.
Resumen de: EP4760301A1
A battery diagnosing apparatus according to one embodiment of the present disclosure includes: a profile acquisition unit that acquires a battery profile representing a correspondence between a voltage and a capacity of a battery; and a control unit that divides a capacity section of the battery profile into a plurality of sections, derives a target value for one target index related to a differential voltage peak among a plurality of diagnosis indices set in advance, from each of the divided sections, compares a correspondence between the derived plurality of target values with a preset reference profile that represents a correspondence between a plurality of target indices, and diagnoses a state of the battery based on a result of the comparison.
Resumen de: EP4760300A1
A battery diagnosing apparatus according to one embodiment of the present disclosure includes: a profile acquisition unit that acquires a battery profile representing a correspondence between a voltage and a capacity of a battery; and a control unit that divides a capacity section of the battery profile into a plurality of sections, derives a target value for one target index related to a differential capacity peak among a plurality of diagnosis indices set in advance, from each of the divided sections, compares a correspondence between the derived plurality of target values with a preset reference profile that represents a correspondence between a plurality of target indices, and diagnoses a state of the battery based on a result of the comparison.
Resumen de: EP4761041A1
An apparatus for setting a charging protocol according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a resistance profile indicating a corresponding relationship between a state of charge (SOC) and resistance for a battery charged at a predetermined C-rate; and a control unit configured to determine a target SOC satisfying a predetermined condition in the resistance profile, and set a charging protocol including a corresponding relationship between the predetermined C-rate and the target SOC.
Resumen de: EP4761039A1
A battery system according to an embodiment disclosed in this document includes a plurality of battery cells; a plurality of antennas correspondingly connected to the plurality of battery cells for each power transmission and reception of the plurality of battery cells, and different in pattern size from one another according to the corresponding battery cells; and a battery management device configured to control connections between the plurality of battery cells and the plurality of antennas based on each state of the plurality of battery cells and keep a state of charge (SoC) balance between the plurality of battery cells.
Resumen de: EP4760807A1
The present invention relates to a positive electrode active material including a lithium transition metal oxide having a nickel content of 70 mol% or greater with respect to all metals excluding lithium, wherein EELS analysis results of a particle surface satisfy Equation 1.
Resumen de: EP4759834A1
The present invention relates to metal oxide-nanocellulose fibers, a porous film comprising the same, and a separator for a secondary battery manufactured therefrom. More specifically, the present invention relates to metal oxide-nanocellulose fibers, a porous film comprising the same, and a separator for a secondary battery manufactured therefrom, wherein a metal oxide is chemically bonded to a surface of nanocellulose without using an organic binder, thereby providing excellent heat resistance at high temperatures and enabling a relatively thin film.
Resumen de: EP4760964A1
The battery module of the present disclosure includes a main body portion that supplies or stores electrical energy and tab portions that protrude from one side of the main body portion, and comprises: a plurality of battery cells stacked in a preset first direction; 8 a module case accommodating the plurality of battery cells; a plurality of first bus bars, which are coupled to any one of first surfaces of the tab portions formed in a second direction in which the tab portions protrude within the module case and in a third direction perpendicular to the first direction and the second direction, and are provided in a number as many as that of the tab portions; and a second bus bar which extends in the first direction inside the module case and is coupled to at least some of the plurality of first bus bars to electrically connect the plurality of battery cells to the outside.
Nº publicación: EP4760299A1 17/06/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Resumen de: EP4760299A1
A method for diagnosing a battery according to one aspect of the present disclosure includes a differential profile generating step of generating a differential profile representing a relationship between a differential capacity, which is obtained by differentiating a capacity of a battery with respect to a voltage of the battery, and the voltage, for each predetermined diagnosis cycle; a target peak detecting step of detecting a target peak in which a differential capacity value decreases and then increases or a voltage value increases and then decreases as a usage time of the battery increases, among peaks of the differential profile; a peak information obtaining step of obtaining target peak information including the differential capacity value and the voltage value of the target peak from each of the plurality of differential profiles generated while the diagnosis cycle is repeated multiple times; and a diagnosing step of diagnosing a state of the battery based on the target peak information obtained from the plurality of differential profiles.
BOPI
Sede Electrónica
