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1057
resultados
Última actualización
21/11/2025 [07:10:00]
Resultados 625 a 650 de 1057
Resumen de: EP4648213A1
Disclosed is a battery pack including a case body having an inner space configured to receive a plurality of battery cells, a lower case coupled to the bottom of the case body, a through-hole in the lower case, and a stopper covering the through-hole, wherein the stopper includes a rupture portion configured to rupture when tension is applied from the outside of the lower case. It is possible to determine whether a user has arbitrarily disassembled the battery pack by checking whether the rupture portion has ruptured.
Resumen de: EP4646956A2
An aerosol provision device comprises a haptic component configured to provide haptic feedback, a battery configured to power the haptic component, and an electrically insulating, resilient member in contact with the haptic component.
Resumen de: EP4647293A2
A Cooling module for batteries of an electric or hybrid vehicle, comprising a coolant supply line (1), a coolant discharge line (2), a plurality of flat tubes (3) arranged side by side, between which there is space for batteries to be cooled, each of the flat tubes (3) being connected to the coolant supply line (1) and the coolant discharge line (2),wherein the flat tubes (3) each carry connectors (6), and wherein the coolant supply line (1) and the coolant discharge line (2) are each assembled from a plurality of line segments, which are connected by a connector (6) of one of the flat tubes (3) to one of the connectors (6) of an adjacent flat tube (3).
Resumen de: EP4647639A2
Provided are a connecting structure (400), a battery (100), and an electric device. The connecting structure (400) comprises: a male connector (1); a female connector (2), comprising a first engagement part and a through hole (202) for the male connector (1) to insert; an identification piece (3), comprising a second engagement part, the second engagement part being adapted to be engaged with the first engagement part; and a locking member (4), mounted on the female connector (2), the locking member (4) being configured to be able to move from a first position to a second position when an insertion depth of the male connector (1) reaches a preset value, so as to lock the male connector (1) and drive the second engagement part to be separated from the first engagement part, thereby avoiding the occurrence of the case that the male connector (1) and the female connector (2) are not assembled in place. The accuracy of assembly is improved.
Resumen de: EP4648212A2
A battery module according to one embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells including electrode leads are stacked; and a sensing assembly for transmitting voltage information of the battery cell. The sensing assembly includes a connector, a connection member for connecting the connector and the electrode lead, and a joining member located at one end of the connection member and joined to the electrode lead. At least two of the electrode leads are bent and joined to form an electrode lead joint body, and the joining member is joined to the electrode lead joint body.
Resumen de: EP4647791A2
An apparatus for diagnosing a battery according to an embodiment of the present disclosure includes a voltage measuring unit configured to measure voltages of a plurality of batteries; and a control unit configured to calculate a voltage deviation of the plurality of batteries, calculate a voltage deviation variation of each of the plurality of batteries at each predetermined period, and compare a pattern of the voltage deviation variation of each of the plurality of batteries with a preset diagnosis pattern to diagnose a state of each of the plurality of batteries.
Resumen de: EP4648140A2
The present invention relates to a cathode for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery comprising the cathode. The cathode for a lithium secondary battery comprises a cathode active material layer formed to contain a very low content of conductive material at the outermost side thereof, whereby the cathode can have high thermal stability when an internal short-circuit of a battery occurs, and can achieve high-power properties when applied to a secondary battery.
Resumen de: EP4648162A1
The present invention relates to an all-solid-state battery, wherein the solid electrolyte present at the interface of the negative electrode active material layer and the solid electrolyte layer has an average particle size of 1 µm to 3 µm, and a method of manufacturing same.
Resumen de: EP4648131A2
A matrix, a anode material, and a secondary battery. The matrix has pores. The matrix includes a carbon material. An average value D<sub>0</sub> of particle sizes of the matrix is 5.5 µm to 9.5 µm, and a standard deviation S<sub>0</sub> of the particle sizes of the matrix is 0.08 to 0.35. The anode material includes the matrix and an active substance. The matrix has the pores, and at least partial active substance is disposed in the pores of the matrix. An average value D<sub>1</sub> of particle sizes of the anode material is 5.5 µm to 9.5 µm, and a standard deviation S<sub>1</sub> of the particle sizes of the anode material is 0.1 to 0.35. The secondary battery based on the matrix or the anode material has good charge-discharge efficiency, cycling stability, and dynamic performance.
Resumen de: EP4648196A1
A battery pack for powering a power tool includes: a housing; a terminal assembly configured to be connected to a tool terminal of the power tool to transmit electric energy; and a cell module accommodated in the housing and electrically connected to the terminal assembly, where the cell module includes at least multiple cell units. The energy density per unit volume of the battery pack is greater than or equal to 110 mWh/cm<sup>3</sup>.
Resumen de: EP4648152A1
The present invention relates to an electrode assembly manufacturing apparatus and an electrode assembly manufacturing method including a process of attaching a tape to an electrode assembly by using same, the electrode assembly manufacturing apparatus comprising: a rotating roll; a plurality of electrode assembly accommodation grooves provided at the circumference of the rotating roll; and a guide block provided between any one of the plurality of electrode assembly accommodation grooves and another electrode assembly accommodation groove adjacent thereto to provide a tape to each electrode assembly to be accommodated in the electrode assembly accommodation grooves.
Resumen de: WO2025202902A1
The invention relates to a method for producing an electric cell comprising a plurality of electrodes stacked on top of one another and separated from one another by a porous separator film, the method comprising: - a step of producing the electrodes; - a step of stacking the electrodes one on top of another to form a stack of electrodes, wherein the electrodes are separated by a porous separator film, in which method the step of producing the electrodes comprises: - an operation of unwinding a wound electrode sheet (4); and - a primary marking operation of marking the electrode sheet (4) by means of a primary identification element (5), wherein the marking operation is carried out after the operation of unwinding the electrode sheet (4), and wherein the marking operation is repeated continuously as the wound electrode sheet is unwound.
Resumen de: EP4647521A1
A method for removing calcium in a lithium battery recycling process includes recovering acidic lithium liquid including calcium; adding an oxalate aqueous solution to the acidic lithium liquid as a first calcium removal process; raising the pH of the acidic lithium liquid to prepare an alkaline lithium liquid; and adding ammonium oxalate to the alkaline lithium liquid as a second calcium removal process.
Resumen de: EP4647281A1
A vehicle equipped with a battery 20 is provided with a cooling air duct 15A inside which cooling air to be supplied to the battery 20 flows, and a duct-top-seat 3A on which an occupant can sit, the duct-top-seat 3A being disposed in front of the battery 20 in a vehicle front-rear direction and above the cooling air duct 15A. An upstream end 110A of the cooling air duct 15A opens below the duct-top-seat 3A toward one side in a width direction of the duct-top-seat 3A.
Resumen de: EP4648169A1
Embodiments of this disclosure provide a method and system for pairing bare cells, and pertain to the field of battery technologies. Bare cells are loaded onto a loading zone of each of conveying apparatuses arranged side by side, at least two carrying sections being provided in the loading zone of each conveying apparatus. The bare cells carried by corresponding carrying sections are conveyed to corresponding pairing zones by two conveying apparatuses arranged side by side, where a conveying direction of the conveying apparatuses is arranged to intersect with a direction in which the two conveying apparatuses are arranged side by side, tabs of the bare cells on the two conveying apparatuses are different in arrangement, and two carrying sections are provided in the pairing zone of each conveying apparatus. When the arrangement of qualified bare cells does not meet a pairing requirement for the bare cells, a corresponding qualified bare cell is picked up by a picking apparatus and moved along a preset direction between a buffer station and the carrying sections in a pairing zone of the conveying apparatus, enabling the bare cells in the pairing zone to meet the pairing requirement for the bare cells. Pairing of the bare cells is achieved through movement of the buffer station.
Resumen de: EP4648210A1
Disclosed are a battery (100) and an electrical device. The battery (100) includes a case assembly (1) including a shell (11) provided with an opening disposed at an end thereof in an axial direction and a cover plate (12) sealing the opening; and an electrode assembly (2) disposed within an inner cavity of the shell (11). A tab (21) disposed at an end of the electrode assembly (2) facing the cover plate (12) is electrically connected to the cover plate (12). A first thermal conductive structure (4) and a second thermal conductive structure (5) included between the tab (21) and the cover plate (12) are arranged at intervals along the cover plate (12) in a radial direction, and transfer heat generated on the electrode assembly (2) to the cover plate (12).
Resumen de: EP4647402A1
A positive electrode active material includes a lithium composite oxide, and a coating layer on a surface of the lithium composite oxide, and may further include some sodium (Na) and sulfur (S), wherein a mass fraction (S/Na) of the S to the Na is in a range of about 1 to about 3. Also disclosed are methods of preparing the same, a positive electrode including the same, and a rechargeable lithium battery including the positive electrode.
Resumen de: EP4648205A2
Die Erfindung betrifft ein Verfahren (34) zur Herstellung eines Feststoffseparators (16). Eine Metallfolie (24) wird bereitgestellt, und auf die Metallfolie (24) werden mehrere Edukte (46) zum Ausbilden einer Mischung (50) aufgebracht. Auf die Mischung (50) wird eingewirkt, sodass die Edukte (46) miteinander reagieren und eine keramische Schicht (26) ausgebildet wird. Ferner betrifft die Erfindung ein Verfahren (32) zur Herstellung einer Feststoffbatterie (14) sowie eine Vorrichtung (36) zur Herstellung eines Feststoffseparators (16).
Resumen de: EP4648126A1
The present invention relates to a method of manufacturing an electrode for a lithium secondary battery, the method including: preparing a transfer laminate including a lithium metal layer and a base material layer; bringing the transfer laminate into contact such that the lithium metal layer comes into contact with at least one surface of an electrode active material layer; and separating the base material layer from the transfer laminate, wherein the separating is performed a predetermined time after the bringing the transfer laminate into contact.
Resumen de: EP4648139A1
The present invention relates to: a conductive material dispersion comprising single-walled carbon nanotube (SWCNT) clusters, wherein the number average length of the SWCNT clusters is 0.8 µm to 8.0 µm, the number of the SWCNT clusters having a length exceeding 10 µm is no more than 15% of the total number of SWCNT clusters, the number average diameter of the SWCNT clusters is 5 nm to 30 nm, the number of the SWCNT clusters having a diameter exceeding 30 nm is no more than 15% of the total number of the SWCNT clusters, and the length and diameter of the SWCNT clusters are measured using atomic force microscopy (AFM); and an electrode comprising the SWCNT clusters. The present invention has the advantages of forming a conductive network well due to having excellent dispersibility, and thus being able to achieve excellent conductivity even in small amounts, having excellent processability due to the low viscosity of the dispersion, and being able to contribute to improved battery performance when the conductive material dispersion is applied to the electrode.
Resumen de: EP4648173A1
A composition for insulating coating according to the present disclosure includes inorganic particles; a rubber-based binder; a fluorine-based binder; a dispersant; and a solvent, wherein the fluorine-based binder is included in an amount of 7 parts by weight or less with respect to 100 parts by weight of solid content excluding the solvent.The composition for insulating coating according to the present disclosure when applied to the current collector, has a thicker wet thickness, thereby suppressing the sliding phenomenon in which the slurry for electrode flows down, and has the effect of significantly reducing the sliding length of the electrode active material layer.
Resumen de: EP4648127A1
The present invention relates to a composition for coating a negative electrode active material, and a negative electrode, a lithium secondary battery, a battery module, and a battery pack including same, the composition comprising a polymer having the binding group -HN-C=O-, wherein the glass transition temperature (Tg) of the polymer having the binding group -HN-C=O- is -30°C to 80°C.
Resumen de: EP4648203A1
The present disclosure relates to a battery pack including: at least one battery module including a plurality of battery cells and a module case configured to accommodate the plurality of battery cells; a pack case configured to accommodate the battery module; a top cover accommodated inside the pack case and configured to cover a top of the battery module while being spaced apart from the pack case; and a deformation prevention member configured to maintain a distance between the top cover and the pack case.
Resumen de: EP4647401A1
The present application provides a multi-element doped positive electrode precursor and a preparation method therefor, a positive electrode material, a battery and an electrical device, relating to the field of batteries. The multi-element doped positive electrode precursor includes N doped layers, which are a first doped layer to an N<sup>th</sup> doped layer respectively from inside to outside, a doping element W is doped in each doped layer, and a doping element Al is doped in the N<sup>th</sup> doped layer, N being a natural number greater than or equal to 2. A preparation method for the multi-element doped positive electrode precursor includes: adding a raw material including a metal salt solution, a precipitant and a complexing agent into a base solution, and performing a solution co-precipitation reaction so as to render the multi-element doped positive electrode precursor. For the multi-element doped positive electrode precursor provided in the present application, the number of doping elements is increased and distributed in a gradient from inside to outside, and the multi-element doping can reduce polarization, greatly reduce volume change, and enhance thermal stability, chemical stability and cycle performance of the positive electrode material.
Nº publicación: EP4648122A1 12/11/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4648122A1
A positive electrode and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode includes a positive electrode current collector, a first positive electrode active material layer provided on the positive electrode current collector and including a first positive electrode active material, and a second positive electrode active material layer provided on the first positive electrode active material layer and including a second positive electrode active material, wherein the first positive electrode active material includes a lithium iron phosphate-based compound, the second positive electrode active material includes a lithium cobalt-based oxide, and a weight ratio of the second positive electrode active material to the first positive electrode active material is about 40 to about 55.
BOPI
Sede Electrónica
