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891
resultados
Última actualización
16/08/2025 [07:10:00]
Resultados 850 a 875 de 891
Resumen de: EP4597136A1
The present invention relates to an apparatus and a method for diagnosing a battery cell, wherein the battery cell diagnostic apparatus according to an embodiment of the present invention may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device configured to measure a reference impedance of the reference cell and a battery impedance of the battery cell, and a processor configured to compare the battery impedance with the reference impedance to determine whether there is an abnormality in the battery cell.
Resumen de: EP4597739A1
The present invention relates to a battery module, in which a busbar assembly is simplified in shape and reduced in volume to improve space utilization of a battery pack and efficiency of a manufacturing process, and a battery pack.A battery pack according to the present invention includes a plurality of cell groups comprising one or more cells and a terminal, and a busbar assembly disposed on one end of a top surface of each of the cell groups, wherein the busbar assembly includes a busbar disposed at a position corresponding to a position of the terminal to electrically connect the cell groups to each other, a circuit board electrically connected to the busbar to sense the cell groups, and a film laminated on the busbar and the circuit board to prevent the busbar and the circuit board from moving.
Resumen de: EP4597666A1
Problem To provide a non-aqueous electrolyte secondary battery in which the decrease in cycle characteristics is improved as compared with conventional non-aqueous electrolyte secondary batteries.Solution A lithium ion secondary battery, which comprises a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution comprises LiPF<sub>6</sub> and a lithium imide salt as an electrolyte, and comprises a carbonate-based solvent as a solvent, the lithium ion secondary battery comprises or does not comprise a surplus electrolyte solution, the ratio of the positive electrode capacity to the negative electrode capacity is adjusted to less than 1, the nominal voltage is adjusted to less than 3.6 V, and the content of lithium imide salt comprised in the non-aqueous electrolyte solution per unit battery capacity and the ratio of the positive electrode capacity to the negative electrode capacity are adjusted to satisfy a specific relationship.
Resumen de: EP4597712A1
Disclosed is a battery module, including batteries arranged along a first direction that is a thickness direction of the battery and an integrated busbar cover plate. The integrated busbar cover plate is disposed at tops of the batteries. Limiting through hole groups arranged at intervals along the first direction are provided on the integrated busbar cover plate, correspond to the batteries one by one, and are matched with poles of corresponding batteries. In the first direction, a length of a limiting through hole in the limiting through hole group near an end part of the integrated busbar cover plate is greater than that of a limiting through hole in the limiting through hole group located in a middle part of the integrated busbar cover plate. The length of the limiting through hole is a size of the limiting through hole along the first direction.
Resumen de: WO2025114532A1
The present invention relates to a battery housing (10) for receiving at least one battery component, wherein the battery housing (10) has an outer wall (20), which at least partially surrounds a receiving volume (11), and a cooling device (30). The cooling device (30) has a base plate (40) having a first connecting surface (42) and a cover plate (50) having a second connecting surface (52), wherein the connecting surfaces (42, 52) of the base plate (40) and of the cover plate (50) are connected to each other with an integral bond at least in an edge region (60), which is formed circumferentially around the cooling device (30), in such a way that a fluid duct (70) is formed for conducting a cooling fluid between the base plate (40) and the cover plate (50). The cooling device (30) is connected to the battery housing (10) in such a way that the entire edge region (60) of the cooling device (30) is arranged within the outer wall (20) of the battery housing (10), and the cooling device (30) forms the housing base (12) of the battery housing (10). The battery housing (10) has at least one inner wall (80) which is connected to the outer wall (20), the inner wall (80) extending between two opposite wall sections of the outer wall (20), and the inner wall (80) of the battery housing (10) being at least partly connected to a cooling surface (51) of the cooling device (30), the cooling surface facing the receiving volume (11). The invention also relates to a battery having a battery h
Resumen de: EP4597596A1
A method of estimating an electrode density in secondary batteries according to one or more embodiments of the present disclosure includes: preparing an electrode comprising a current collector and first and second coating layers coated on the current collector; measuring first characteristic values of the electrode; removing the first coating layer of the electrode; measuring second characteristic values of the electrode from which the first coating layer has been removed; removing the second coating layer of the electrode from which the first coating layer has been removed; measuring third characteristic values of the electrode from which the first and second coating layer have been removed; and estimating at least one of a density of the first or second coating layer, a thickness of the current collector, or a weight of the current collector, based on the first characteristic values, the second characteristic values, and the third characteristic values.
Resumen de: EP4597710A1
A battery pack according to one embodiment of the present disclosure includes: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; an electrical connection unit including a connector for electrical connection between the battery packs; a pack case that houses the cell module assembly and the electrical connection unit in the inside thereof and is opened at its upper surface; and a fire extinguishing tank that covers the upper part of the pack case, wherein the pack case includes a connector through-hole portion having an opening shape provided on a lower surface of the pack case to allow the connector to pass through, wherein the fire extinguishing tank includes a connector through-hole portion having a tubular shape that penetrates the fire extinguishing tank and protrudes upward from the upper surface of the fire extinguishing tank, and wherein the connector is located through the connector through-hole portion and the connector through-hole portion, thereby being electrically connected between the plurality of stacked battery packs.
Resumen de: EP4597692A1
A battery module according to an exemplary embodiment of the present invention includes a battery cell stack in which a plurality of battery cells are stacked side by side and adjacent to each other; a top frame covering an upper surface of the battery cell stack; a bus bar frame coupled to the top frame and covering a side of the battery cell stack; and a module frame having a quadrangular tube shape and configured to accommodate a battery cell assembly formed by combining the battery cell stack, the top frame, and the bus bar frame, wherein the top frame includes a first protrusion protruding toward an upper surface of the module frame at one end portion of the top frame, and wherein the module frame includes a second protrusion protruding toward the top frame at a position corresponding to the other end portion located on an opposite side to the one end portion of the top frame on an inner side of the upper surface of the module frame.
Resumen de: PL448970A1
Przedmiotem zgłoszenia jest masa aktywna elektrod akumulatora kwasowo-ołowiowego zawierająca proszek ołowiu: PbO+Pb, kwas siarkowy(VI), wodę demineralizowaną, dla elektrod ujemnych także ekspander oraz materiał włóknisty, który stanowią biodegradowalne włókna pochodzenia roślinnego, to jest włókna lniane lub zwierzęcego, to jest włókna wełniane, przy czym włókna te posiadają długość 1 - 3 mm, korzystnie 1,5 mm i stanowią 0,1% - 0,3%, korzystnie 0,18%±0,03% ilości masowej całej masy aktywnej elektrody.
Resumen de: FI20245097A1
A manufacturing arrangement to rechargeable battery cell formation and aging processes according to the invention has rooms (2, 3, 4) for the formation process and for the aging process. The arrangement has also testing devices (8A, 8B, 8C, 8D, 8E, 8F) The rooms and test devices being situated on a floor (9). The arrangement further comprises a mezzanine floor (10) above the floor. On the mezzanine floor there is at least one linear robot system (11). The arrangement further comprises conveyors (14) on the mezzanine floor (10). Each of said rooms (2, 3, 4) has interfaces (15) being in a functional connection to at least one of the conveyors (14) in order to transport the rechargeable battery cells. The mezzanine floor has also openings (16). On the floor (9), the arrangement further comprises elevator conveyors (17) being in functional connection with the opening (16) in order to transfer the rechargeable battery cells from the mezzanine floor to the floor.
Resumen de: MX2025008691A
Disclosed are an electrode production device and a battery cell including an electrode produced using same, and a battery pack and a vehicle including a battery cell. An electrode production device according to an embodiment of the present invention is an electrode production device which produces an electrode by transferring an electrode foil having a coated part of a coating layer and a non-coated part of a non-coating layer which are formed thereon, the electrode production device including: a transfer unit for transferring the electrode foil; a coated part pressing unit for pressing the coated part of the electrode foil transferred by the transfer unit; and a non-coated part pressing unit which is spaced apart from the coated part pressing unit and presses the non-coated part, wherein a heat supply member for supplying heat to the non-coated part is provided in the non-coated part pressing unit.
Resumen de: FR3158800A1
La présente invention concerne un procédé et un dispositif de détermination d’un indicateur de validation de tests d’une batterie de traction pour véhicule électrifié. En effet, le procédé comprend la réception de données représentatives d’indicateurs d’un niveau de développement de composants et de moyens de fabrication de la batterie de traction et la classification de ces données pour obtenir un identifiant d’une classe permettant la détermination d’une séquence d’essais de validation (21) de la batterie de traction et la détermination d’un nombre d’échantillons formant un ensemble d’échantillons (22) de la batterie de traction à générer pour réaliser la séquence d’essais de validation. Des données représentatives du nombre d’échantillons et de la séquence d’essais de validation sont émises et des résultats des essais sont reçus. Les résultats sont comparés à des résultats cibles et l’indicateur est déterminé en fonction d’un résultat de la comparaison. Figure 2
Resumen de: MX2025008154A
The present invention provides a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and a compound of chemical formula 1 as an additive. Chemical formula 1 In chemical formula 1, n is an integer of 0 or 1, R<sub>1</sub> is any one selected from the group consisting of R, a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, OR', OCOR', F and CH<sub>2</sub>PO(R)<sub>2</sub>, and R' can be any one selected from the group consisting of a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, and PO(R)<sub>2</sub>. In chemical formula 1 and R<sub>1</sub>, R is a structure represented by the following chemical formula 2. Chemical formula 2 In chemical formula 2, each of Rx and Ry is independently H or F.
Resumen de: MX2025008073A
The present invention relates to an anode active material, an anode comprising same, and a lithium secondary battery, the anode active material comprising; a core including a silicon carbon composite; an oxide layer which is provided on at least a portion of the core and includes silicon oxide, and of which at least 50% has a thickness of greater than 5 nm; and a carbon layer provided on at least a portion of the oxide layer.
Resumen de: MX2025008036A
The present invention relates to a negative electrode composition, a negative electrode comprising same, a lithium secondary battery, a battery module, and a battery pack, the negative electrode composition comprising a negative electrode active material comprising a carbon-based active material and a silicon-based active material including at least one among a silicon carbon composite and a silicon oxide, wherein the carbon-based active material includes natural graphite and artificial graphite, and when powder resistance is measured at a pressure of 800 kgf/cm<sup>2</sup>, rolling density decreases in the order of the natural graphite > the artificial graphite > the silicon-based active material, and electrical conductivity decreases in the order of the natural graphite > the artificial graphite > the silicon-based active material.
Resumen de: MX2025008181A
Provided is a composition for electrode formation with which it is possible to suppress thickening and gelation, improve shelf life and increase the concentration of solid matter by a simple method. The composition for electrode formation contains a positive electrode active substance, a binder, a solvent, and a heterocyclic compound, where the heterocyclic compound has a nitrogen-containing 5-membered ring, does not have an oxygen atom in the 5-membered ring, and has a carbonyl structure on the 5-membered ring.
Resumen de: MX2025008182A
The present invention provides, as a composition for electrode formation having improved storage stability and higher solid content concentration, while suppressing thickening and gelation by a simple method, a composition for electrode formation, the composition containing a stabilization component, a positive electrode active material, a binder and a solvent, wherein the stabilization component contains: (first component) a heterocycle-containing compound which has a reactive group and a nitrogen-containing five-membered ring without containing an oxygen atom in the nitrogen-containing five-membered ring, and (second component) a compound which is chemically reactive with the heterocycle-containing compound; the first component, the second component, and a reaction product that is obtained by having the first component and the second component react with each other; or the reaction product that is obtained by having the first component and the second component react with each other.
Resumen de: MX2025007844A
The present invention relates to a method for recovering lithium and, more specifically, to a method for recovering lithium, the method comprising the steps of: (i) heat-treating waste positive electrodes having a positive electrode active material layer applied on a current collector, the positive electrode active material layer containing a positive electrode material having an olivine structure, a binder, and carbon, or a positive electrode active material layer powder obtained by crushing the waste positive electrodes, at 220-280°C to recover the positive electrode material having an olivine structure as a powder; (ii) dissolving the recovered positive electrode material powder having an olivine structure in an aqueous acetic acid solution to prepare a positive electrode material solution; (iii) adding an aqueous hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) solution to the positive electrode material solution to obtain a lithium-dissolved leachate and leach residue; (iv) separating the leachate and the leach residue; and (v) concentrating the leachate, wherein the aqueous acetic acid solution in step (ii) contains 0.8-1.2 moles of acetic acid per 1 mole of positive electrode active material in the positive electrode material powder, and the aqueous hydrogen peroxide solution in step (iii) contains 0.4-0.6 moles of hydrogen peroxide per 1 mole of positive electrode active material in the positive electrode material powder. According to the pres
Resumen de: MX2025007833A
Various embodiments provide a battery, a bulk energy storage system including the battery, and/or a method of operating the bulk energy storage system including the battery. In various embodiment, the battery may include a first electrode, an electrolyte, and a second electrode, wherein one or both of the first electrode and the second electrode comprises direct reduced iron ("DRI"). in various embodiments, the DRI may be in the form of pellets. In various embodiments, the pellets may comprise at least about 60 wt% iron by elemental mass, based on the total mass of the pellets. In various embodiments, one or both of the first electrode and the second electrode comprises from about 60% to about 90% iron and from about 1 % to about 40 % of a component comprising one or more of the materials selected from the group of SiO<sub>2</sub>, AI<sub>2</sub>O<sub>3</sub>, MgO, CaO, and TiO<sub>2</sub>.
Resumen de: MX2025008155A
The present invention provides a nonaqueous electrolyte comprising: a lithium salt; an organic solvent; and a compound represented by chemical formula 1. Chemical formula 1 In chemical formula 1, each of R<sub>1</sub> to R<sub>5</sub> is independently any one selectred from the group consisting of H, F, a nitrile group, a C2-10 alkoxycarbonyl group, a C2-10 alkylcarbonyl group, a C1-10 alkyl group, a C2-10 alkenyl group and a C2-10 alkynyl group, and n is an integer of 1 to 5.
Resumen de: MX2025007770A
The present invention relates to a method for regenerating a positive electrode active material and a regenerated positive electrode active material manufactured thereby and, more specifically, to a method for regenerating a positive electrode active material and a regenerated positive electrode active material manufactured thereby, the method comprising: (a) a step for recovering a positive electrode material by heat-treating, in air or oxygen, a waste positive electrode including a current collector and a positive electrode active material layer coated thereon; (b) a step for adding a lithium precursor to the recovered positive electrode active material and heat-treating in air to restore the crystal structure of the positive electrode active material; (c) a step for adding a dopant precursor to the positive electrode active material with the restored crystal structure and heat-treating same to dope the positive electrode active material; and (d) a step for washing the doped positive electrode active material with a washing solution.ã¿¿According to the present invention, the regenerated positive electrode active material is doped with a predetermined dopant using a predetermined method, thereby improving capacity characteristics and lifespan characteristics. Thus, the present invention has the effect of providing a method for regenerating a positive electrode active material having excellent crack resistance and a regenerated positive electrode active material manufactur
Resumen de: MX2025007757A
The present invention relates to a method for regenerating a regenerated positive electrode active material, a regenerated positive electrode active material manufactured thereby, and a secondary battery including same and, more specifically, to a method for regenerating a positive electrode active material, a regenerated positive electrode active material manufactured thereby, and a secondary battery including same, the method comprising the steps of: recovering the cathode active material by thermally treating a spent positive electrode that has a cathode active material layer formed on a current collector, to thermally decompose the binder and conductive material in the positive electrode active material layer; performing primary milling on the recovered positive electrode active material; adding a lithium precursor to the primarily annealed positive electrode active material, followed by annealing at 400 to 1000°C; and performing secondary milling on the annealed positive electrode active material. According to the present invention, by performing primary milling without a washing process on the positive electrode active material recovered after thermal treatment of the spent positive electrode, adding a lithium precursor to the primarily milled positive electrode active material, annealing, and then performing secondary milling, damage to the particle surface of the positive electrode active material is prevented, uniformity of the particle size of the regenerated pos
Resumen de: MX2025007768A
Disclosed are a current collector plate, a cylindrical battery cell including same, and a battery pack and a vehicle including the cylindrical battery cell. The current collector plate according to an embodiment of the present invention is a current collector plate for electrically connecting an electrode assembly accommodated in the cylindrical battery cell. The current collector plate comprises: an edge part defining the edge thereof; a center part spaced apart from the edge part and coupled to the electrode assembly; and a connection part for connecting the center part to the edge part, wherein the width of the connection part varies.
Nº publicación: MX2025007619A 01/08/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: MX2025007619A
A battery system of the present invention is positioned in an electric vehicle and may comprise: a main battery; a battery management device for controlling that the supply of power by the main battery is blocked when an anomaly occurs in one or more components included in the electric vehicle; and an auxiliary battery which is provided separately from the main battery, and which supplies power to one or more components provided in a cooling system for cooling the main battery.
BOPI
Sede Electrónica
