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1111
resultados
Última actualización
26/08/2025 [07:12:00]
Resultados 325 a 350 de 1111
Resumen de: EP4604237A1
There is provided a technique for improving an energy density and safety of a lithium secondary battery. The lithium secondary battery includes an electrode tab and a plurality of positive electrode laminates that are disposed to be spaced from each other in a lamination direction through an interposed negative electrode and separator. Each of the positive electrode laminates has a current collector that is constituted of an insulating layer sandwiched by conductive layers and that is electrically connected to the electrode tab, and a positive electrode provided on both surfaces of the current collector. At least one of the current collectors of the plurality of positive electrode laminates and at least one other current collector are joined to the electrode tab at positions different from each other in a case of being viewed from the lamination direction.
Resumen de: CN120019515A
The present invention relates to a composition comprising a) at least one fluorinated acyclic carboxylic acid ester and b) at least one halogenated benzene, and to a lithium secondary battery comprising the composition in a liquid electrolyte. The invention also relates to the use of the composition in a liquid electrolyte for a lithium secondary battery.
Resumen de: CN120018959A
The invention relates to a fluid guide component (2) having at least one first fluid connection (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34) and at least one second fluid connection (8) and at least one fluid path (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 60), the at least one fluid path (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 60) leading into the at least one first fluid connection (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34), the at least one second fluid connection device (8) is arranged substantially perpendicular to the at least one fluid path (13) along the at least one fluid path (13) and is in fluid connection with the fluid path (13), the at least one second fluid connection device (8) having at least two locking projections (80, 81) with belt recesses (82, 83) for forming a holding region, in this way, the holding element and/or the line connector and/or the media line are/is fixed to the at least one second fluid connection device.
Resumen de: CN120018958A
The invention relates to a thermal management module (1) for managing a mass flow rate of a temperature control medium of at least one temperature control circuit in a vehicle, wherein the thermal management module (1) comprises at least one module housing (10), at least one fluid connection device (50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64) and at least one fluid path inside the module housing (10). According to the invention, the module housing (10) comprises at least one carrier component (2) and at least one cover element (3), the at least one carrier component (2) and the at least one cover element (3) being connectable or connected to each other and forming between them at least one fluid channel (4, 4a, 4b, 4c, 4d, 4e) as a fluid path.
Resumen de: CN120018957A
In a thermal management system (200) comprising a closed system of a temperature control circuit (100) of a vehicle (300) in which a temperature control medium can flow or is flowing, the temperature control circuit (100) comprising at least one first sub-circuit (101) for temperature control of a battery (106), such as a power battery, the invention relates to a temperature control system (100) comprising at least one electronic component (107), at least one second sub-circuit (102) for controlling the temperature of the at least one electronic component (107), and at least one third sub-circuit (103) comprising at least one heat exchanger (108) for absorbing and/or releasing heat from the ambient air and for transferring heat into and/or out of a temperature control medium, wherein the sub-circuits comprise a feed flow and a return flow (111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121), respectively, the thermal management system (200) comprising at least one thermal management module (1). The latter comprises at least one supporting structural component (10), on which at least one component (2, 3) for the temperature-controlled medium supply and at least one component (4, 5, 80) for the mass flow regulation can be arranged or integrated.
Resumen de: EP4604194A1
The present application relates to an electrode assembly, a secondary battery, and an electrical apparatus. During the design process, the width of the negative electrode plate is designed to be greater than the width of the positive electrode plate. At the same time, the width difference between the negative electrode plate and the positive electrode plate is correlated with the extension ratio of the negative electrode plate, such that the upper limit value of the width difference between the negative electrode plate and the positive electrode plate does not exceed (4.5 - M1 × a). Thus, it can be seen that using the product of the extension ratio a and the width of the positive electrode plate as a subtractive term reduces the upper limit value of the width difference. Such a designed electrode assembly during cyclic charging and discharging will not experience excessive width of the portion of the negative electrode plate extending beyond the positive electrode plate due to extension of the negative electrode plate. This can effectively alleviate lithium plating within the overhang region between the negative electrode plate and the positive electrode plate, thereby enhancing the reliability of the secondary battery.
Resumen de: EP4604253A1
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: EP4603550A1
The present invention provides a heat-insulating and flame-retardant nano-composite sheet and a preparation method thereof. The preparation method includes the following steps: S1: adding aerogel slurry, a flame retardant, an opacifying agent, fumed silica, high-silica glass fiber, and an additive A into a stirring tank; and carrying out stirring until the materials are mixed uniformly to acquire pasty composite slurry; S2: filling a glue tray of a roller coating device with the composite slurry acquired in step S1; and scrape-coating surfaces of a plurality of layers of a base material with the composite slurry by using discharging assemblies of the roller coating device; S3: drawing and collecting the plurality of layers of the base material acquired in step S2 at a compounding position; and carrying out pressurization to acquire a semi-finished product; and S4: drawing the semi-finished product acquired in step S3 onto a coating line; and carrying out high-temperature drying to acquire the heat-insulating and flame-retardant nano-composite sheet. The nano-composite sheet prepared by the method in the present invention has good heat-insulating and flame-retardant properties.
Resumen de: EP4604271A1
A cooling floor member (100) is a cooling floor member (100) for cooling a battery cell, including a metal underfloor material (101), a flat plate-like metal floorboard (102) which is arranged face to the metal underfloor material (101), and which has a surface opposite to the metal underfloor material (101) that comes into contact with the battery cell, a partition member (105) inserted between the metal underfloor material (101) and the flat plate-like metal floorboard (102) without being joined thereto, and a joint (130) in which the outer peripheral edge of the metal underfloor material (101) and the outer peripheral edge of the flat plate-like metal floorboard (102) are directly and continuously joined, wherein a region surrounded by the metal underfloor material (101), the flat plate-like metal floorboard (102), and the partition member (105) is a cooling liquid flow path (104) through which a cooling liquid flows.
Resumen de: CN120152939A
With the wide use of lithium ion batteries (LIBs), the recovery and reuse of LIBs attract wide attention. However, recycling and recovery of graphite anode material are neglected due to low added values and harsh separation steps. Although some direct physical recovery methods have been reported, all these methods are limited by harsh separation steps and laboratory scale. The invention relates to a method for recovering high-purity graphite from extraction residues of waste lithium ion batteries. The method is simple and easy to implement, and 99.9% pure graphite is provided. In addition, the method for recovering the high-purity graphite is clean, green, environmentally friendly and commercially feasible.
Resumen de: EP4604188A1
A secondary battery including a fine electrode pattern and a method of manufacturing the same. The secondary battery includes an electrode assembly having a positive electrode having a positive electrode active material coated on a positive electrode substrate, a negative electrode having a negative electrode active material coated on a negative electrode substrate, and a separator.
Resumen de: EP4604306A1
An electrode tab (30) includes a first tab body (310), a second tab body (320) facing the first tab body, a connection member (330) between the first tab body and the second tab body, and a buffer member (340) in at least one of the first tab body or the second tab body.
Resumen de: EP4604567A2
A camera calibration device includes a calibration board detachably mounted on an upper surface of a stack table (100) and to which a predefined calibration pattern is applied, a plurality of cameras (600) installed above the stack table (100), and a processor (700) connected to the plurality of cameras (600), wherein, if the calibration board is mounted, the processor (700) is configured to perform calibration on each of the plurality of cameras (600) based on calibration patterns of calibration board images obtained from each of the plurality of cameras (600).
Resumen de: WO2024118886A1
The subject application relates to a filler composition, composite material and composite material layer with thermal barrier properties. The present disclosure relates to a filler composition may include a ceramization filler component at a content of at least about 75 wt.% and not greater than about 95 wt.% for a total weight of the filler composition, a structure promoter component at a content of at least about 0.1 wt.% and not greater than about 7.0 wt.% for a total weight of the filler composition, a flux component at a content of at least about 0.1 wt.% and not greater than about 7.0 wt.% for a total weight of the filler composition, and a flame retardant component at least about 5.0 wt.% and not greater than about 20.0 wt.% for a total weight of the filler composition.
Resumen de: EP4604212A1
The positive electrode active material according to the present invention includes a single particle composed of one single nodule, a quasi-single particle, which is a composite of at most 30 nodules, or a combination thereof, wherein the positive electrode active material includes a lithium nickel-based oxide having a molar ratio of Ni of at least 60 mol% in the total moles of transition metals, and a negative skewness factor (NSF) represented by Equation 1 below is 0.20 to 0.35: NSF=D50−D10/ImaxIn Equation 1 above, D50 is a particle diameter at a cumulative volume of 50% in a volume cumulative particle size distribution graph of the positive electrode active material, D10 is a particle diameter at a cumulative volume of 10% in a volume cumulative particle size distribution graph of the positive electrode active material, and Imax is a maximum volume fraction in the volume cumulative particle size distribution graph of the positive electrode active material.
Resumen de: EP4604291A1
A vehicle with a battery pack. The battery pack comprises a tray, a cell module and a liquid cooling plate. The tray comprises a tray bottom plate and tray side beams, wherein the tray bottom plate and the tray side beams are connected to form an accommodating space; the cell module is located in the accommodating space and comprises a plurality of cells, w herein each cell is provided with a first explosion-proof valve; and the liquid cooling plate is located between the cell module and the tray bottom plate and is arranged on the tray bottom plate, and the liquid cooling plate is provided with a plurality of through holes, each through hole penetrating through a first surface and a second surface of the liquid cooling plate. The cell module is in contact with the first surface, and the first explosion-proof valves of the cells are opposite the through holes; and a first channel is formed between the second surface of the liquid cooling plate and the tray bottom plate, and a second channel, which is in communication with the first channel, is formed in the tray side beams, so that a smoke flow generated at the cell module flows to the second channel.
Resumen de: EP4603312A1
An electric vehicle, provided with a battery pack assembly. The battery pack assembly comprises a frame, a composite cold plate and at least one battery cell; the frame comprises a tray and exhaust channels in communication with the outside; the exhaust channels are arranged on two opposite sides of the tray; the composite cold plate is arranged on the tray; the composite cold plate comprises a flow passage plate, and a concave rib-convex rib structure is formed on the surface of the flow passage plate; a concave rib is arranged between every two adjacent convex ribs; cold plate flow passages are defined by concave ribs and the tray, and the cold plate flow passages are in communication with the exhaust channels; the battery cell is arranged on the composite cold plate; poles of the battery cell face the composite cold plate; a first explosion-proof valve is provided on the side of the battery cell facing the composite cold plate, and the first explosion-proof valve is in communication with the cold plate flow passages.
Resumen de: EP4603927A1
A self-checking-based fire-fighting air intake and discharge control system, which is applied to measure a combustible gas in an energy storage container (40). The fire-fighting air intake and discharge control system comprises: a gas measurement module (11), which is used for measuring the concentration of a combustible gas in an energy storage container (40); an air intake and discharge module (12), which is used for controlling the circulation of the gas in the energy storage container (40); and a control module (10), which is used for controlling the operation of the gas measurement module (11) and the operation of the air intake and discharge module (12), and controlling, when the concentration of the combustible gas exceeds a preset concentration threshold value, the air intake and discharge module (12) to discharge the combustible gas. The fire-fighting air intake and discharge control system can automatically detect a fault problem of the system and feed back same in a timely manner, and can also measure multiple environmental factors; and the system regularly performs self-checking, and stores and uploads data, and an operation and maintenance person can retrieve operation data, predetermines an on-site operation situation, and maintains the system and a device.
Resumen de: WO2024078850A1
The invention relates to a method for estimating a self-discharge rate of a battery cell in battery cell production, and to a device (10) for estimating a self-discharge rate of a battery cell in battery cell production. Provision is made for determining a current-voltage formation profile of a battery cell during the formation process in battery cell production. By way of comparing the current-voltage formation profile of the battery cell with a plurality of current-voltage formation profiles with corresponding self-discharge rates of battery cells, a self-discharge rate of the battery cell is predicted in order to shorten or even avoid the metrological determination of the self-discharge rate of the battery cell by means of aging storage.
Resumen de: EP4603851A1
A self-discharge screening method for lithium-ion batteries, a self-discharge screening apparatus for lithium-ion batteries, and an electronic device. A single batch screening objects of the method include batteries to be screened placed in a plurality of trays. Each tray is placed with a plurality of the batteries to be screened. In a screening process, voltage drops per unit time of a plurality of batteries to be screened are measured (S101), and voltage drop screening thresholds of the plurality of trays are determined according to the voltage drops per unit time of the batteries to be screened in the tray (S102).
Resumen de: EP4604310A1
The present invention relates to a battery module. The battery module includes a pouch-type cell provided with an electrode assembly, a pouch-type exterior configured to accommodate the electrode assembly, and an electrode lead electrically connected to the electrode assembly to extend to the outside of the pouch-type exterior, and a support frame provided with a lower plate disposed to correspond to a bottom surface of the pouch-type cell, and a pair of side plates extending upward from both ends of the lower plate in a width direction, respectively, to define an accommodate space for accommodating at least a portion of the pouch-type cell together with the lower plate, wherein the electrode lead is disposed on an upper portion of the pouch-type exterior so as to be exposed to the outside of the support fame through an upper opening of the support frame.
Resumen de: EP4604286A1
A battery module according to an embodiment of the present invention may include: a module frame; a plurality of pouch-type battery cells disposed parallel to each other within the module frame; and a plurality of vent holes defined to pass through one surface of the module frame. Each of pouch-type battery cells may include: an electrode assembly provided with an electrode lead; a battery case comprising an accommodation part configured to accommodate the electrode assembly, a short-side sealing part which is disposed on a portion of a circumference of the accommodation part and from which the electrode lead protrudes, and a long-side sealing part disposed on the other portion of the circumference of the accommodation part and folded toward the accommodation part; and a plurality of fixing members attached to the battery case to fix the long-side sealing part in a folded state and arranged to be spaced apart from each other in a longitudinal direction of the long-side sealing part. In each of the vent holes, an area that does not overlap the fixing member may be wider than an area that overlaps the fixing member.
Resumen de: CN119547256A
The invention relates to an electrical energy store (1) for a motor vehicle, comprising a plurality of storage cells (2) for storing electrical energy and comprising a plurality of temperature control elements (5c) through which a temperature control medium can flow, by means of which temperature control elements the storage cells (2) can be temperature-controlled by means of a temperature control medium. According to the invention, a distribution element (6) is provided which is common to the temperature control elements (5c) and through which a temperature control medium can flow, into which distribution element a respective connecting piece (7c) of the temperature control elements (5c) is inserted, whereby the temperature control elements (5c) are in fluid communication with the distribution element (6), the distribution element (6) has a distribution channel (8) which is common to the temperature control elements (5c) and through which the temperature control medium can flow. The distribution element (6) comprises at least one or exactly one through-flow opening (11c) for each temperature control element (5c), through which through-flow opening the temperature control medium can flow, into which through-flow opening a respective connecting piece (7c) of a respective temperature control element (5c) is inserted, and wherein the respective connecting piece (7c) projects at least partially into the distribution channel (8).
Resumen de: WO2024078780A1
The invention relates to a battery (2) for an electrically driven motor vehicle. Said battery comprises a battery housing (4) having a housing base (6) and a housing cover (8), and a battery cell (10) arranged in the battery housing (4), wherein the battery cell (10) is connected by means of a first hook-and-loop connection (12) to the housing base (8) and/or by means of a second hook-and-loop connection (14) to the housing cover (8), and wherein a thermally conductive colloid, a thermally conductive gel (24) and/or a heat-conductive paste is introduced between hook-and-loop units (16) of the first hook-and-loop connection (12) and/or between hook-and-loop units (16) of the second hook-and-loop connection (14). The invention relates, furthermore, to an electrically driven motor vehicle having a battery (2) of this type.
Nº publicación: EP4604312A1 20/08/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4604312A1
A battery cell, a battery, and a power consuming device are provided. The battery cell includes: an electrode assembly (21); an electrode terminal (41), electrically connected to the electrode assembly (21); a housing (30), configured to accommodate the electrode assembly (21), where the housing (30) includes a wall portion (301) and a fixing structure (50), and the fixing structure (50) is fixedly arranged on the wall portion (301) and configured to fix the electrode terminal (41); an insulating member (42), arranged between the fixing structure (50) and the electrode terminal (41); and an insulating protection member (60), at least partially covering an outer surface of the fixing structure (50), where the insulating protection member (60) includes an insertion portion (62), and at least a part of the insertion portion (62) is inserted between the fixing structure (50) and the insulating member (42). By arranging the insulating protection member (60), the outer surface of the fixing structure (50) is insulated and protected; and the insertion portion (62) is inserted between the fixing structure (50) and the insulating member (42), so that a creepage distance between the electrode terminal (41) and the fixing structure (50) is increased, and an external conductive member can be better prevented from being inserted between the fixing structure (50) and the electrode terminal (41), thereby reducing a short circuit risk.
BOPI
Sede Electrónica
