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873
resultados
Última actualización
23/08/2025 [07:30:00]
Resultados 75 a 100 de 873
Resumen de: TW202430374A
A barrier for separating cells of a battery is described. The barrier comprises a main body comprising a thermally insulating material wherein the main body comprises a first side and a second side opposite the first side. The barrier further comprises a thermally conductive layer coating at least a part of the first side of the main body. The thermally conductive layer enables heat to be conducted across at least the part of the first side of the main body. The thermally insulating material prevents heat being conducted through the main body from the first side of the main body to the second side of the main body.
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: 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: 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.
Resumen de: WO2025109480A1
The invention relates to an electric cell (10) comprising - a cylindrical stack (1) that consecutively comprises a first electrode sheet, a first separator, a second electrode sheet having an opposite polarity to the first electrode sheet, and a second separator; - a housing (6) comprising a cylindrical metal casing (61) having an inner face (62) defining a cavity in which the cylindrical stack (1) is accommodated; - a current collector (4) connected to the first electrode sheet; wherein the current collector (4) comprises, on its periphery, a rim (41) that comprises an outer lateral face (42) intended to come into contact with the inner face (62); an inner lateral face (43) opposite the outer lateral face (42); an edge face (44) that connects the outer lateral face and the inner lateral face, and is intended to receive a weld bead (7) to weld the collector (4) to the inner face (62).
Resumen de: EP4604273A1
A first supporting portion (211) and a second supporting portion (221) sandwich one battery cell (101) of a plurality of battery cells (100) in a first direction. The first supporting portion (211) includes a plurality of first protrusions (270). Each of the plurality of first protrusions (270) protrudes with respect to a first main surface portion (213) in the first direction and extends in the form of a strip along a second direction orthogonal to the first direction. The second supporting portion (221) includes a plurality of second protrusions (280). Each of the plurality of second protrusions (280) protrudes with respect to a second main surface portion (222) in the first direction. When viewed in the first direction, each of the plurality of second protrusions (280) extends in the form of a strip so as not to overlap with the plurality of first protrusions (270), or extends in the form of a strip along a third direction different from the second direction.
Resumen de: EP4603852A1
Provided is a measurement device which measures a magnetic flux density emitted from a battery cell, comprising: a sensor including sensor cells which measure the magnetic flux density; and a rotation holding unit which rotatably holds the battery cell in a state where a relative position of the battery cell with respect to the sensor cells is retained. The rotation holding unit may hold the battery cell such that the relative position between the battery cell and the sensor is changeable. The rotation holding unit may include a rotating portion which rotates the battery cell. The rotation holding unit may move the sensor cells with respect to the battery cell. (Selected drawing) Fig. 1
Resumen de: EP4604301A1
The present application provides a protective plate for a battery cell, a battery cell, a battery, and an electricity consuming apparatus. The protective plate is provided with a heat absorbing structure, and at least a portion of the heat absorbing structure is configured to be fused and connected with an insulating film of the battery cell for covering an electrode assembly. The embodiments of the present application provide a heat absorbing structure on the protective plate, so as to allow a stronger connection strength between the protective plate and the insulation film during the preparation of the battery cell, which reduces the probability of detachment between the protective plate and the insulation film, increases the probability of installing the protective plate together with the electrode assembly into the shell, and helps to improve the production yield rate of the battery cell.
Resumen de: EP4604255A1
The embodiments of the application provide a winding device and a winding method. The winding device includes a winding member, a traction member, a detection mechanism and an adjustment mechanism. The winding member is used to wind an electrode sheet and a separation membrane. The traction member is used to pull the separation membrane passing through the winding member, and the traction member is configured to release the separation membrane when the winding member winds the electrode sheet and the separation membrane. The detection mechanism is used to sense a tension change of the separation membrane located between the winding member and the traction member. The adjustment mechanism is configured to adjust a tension of the separation membrane according to the tension change of the separation membrane sensed by the detection mechanism.
Resumen de: EP4603932A1
A battery production method and a battery production system are provided. The method includes: determining, by an upper-level computer, a quantity of first battery cells based on a current first production work order in a process of producing products by a production device in a first process of a battery production line; determining, by the upper-level computer, a quantity of second battery cells; when the quantity of the second battery cells is greater than or equal to the quantity of the first battery cells, sending, by the upper-level computer, a control instruction to a first production device in the first process, and taking a next first production work order as the current first production work order; determining, by a manufacturing execution system, a quantity of unfinished battery packs on a station device for a current second production work order and sending the quantity of the unfinished battery packs to the station device in a process of producing products by the station device in the second process of the battery production line; and when the quantity of the unfinished battery packs is zero, taking, by the station device, a next second production work order as the current second production work order.
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: EP4604244A1
A cell includes a jellyroll A and a jellyroll B. The jellyroll A is formed by laminating a first positive-electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially; the jellyroll B comprises a first portion of laminates and a second portion of laminates laminated on the first portion of laminates. The first portion of laminates is formed by laminating a first positive-electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially; the second portion of laminates is formed by laminating a ternary positive- electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially.
Resumen de: EP4604243A1
A cell includes a positive-electrode sheet, a separator, and a negative-electrode sheet. The positive-electrode sheet includes a positive-electrode collector and a positive-electrode active material layer disposed on each of two surfaces of the positive-electrode collector; the positive-electrode active material layer includes a first active material layer and a second active material layer laminated on the first active material layer; and the first active material layer is in direct contact with a surface of the positive-electrode collector. The first active material layer comprises a ternary active material, the ternary active material has a specific surface area of 0.3-0.9 m<sup>2</sup>/g; the second active material layer comprises a lithium manganese iron phosphate material, the lithium manganese iron phosphate material has a specific surface area of 20-24 m<sup>2</sup>/g.
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: 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: 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: 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.
Nº publicación: EP4604261A1 20/08/2025
Solicitante:
AUTOMOTIVE CELLS COMPANY SE [FR]
Automotive Cells Company SE
Resumen de: EP4604261A1
L'invention concerne un ensemble (1) de cellules (10) d'une batterie, l'ensemble (1) comprenant une pluralité de cellules (10) configurées pour être accolées successivement deux à deux suivant un axe d'assemblage (A) dans une position assemblée de l'ensemble (1) de cellules (10), chaque cellule (10) comprenant : un boitier (100) comprenant au moins une première et une deuxième parois latérales (103A, 103B) s'étendant parallèlement entre elles et orthogonalement à l'axe d'assemblage (A) dans la position assemblée ; un premier terminal (11) et un deuxième terminal (12) ; l'ensemble de cellules (1) étant caractérisé en ce qu'il comprend un circuit de surveillance (200) configuré pour détecter au moins une donnée prédéterminée de chaque cellule (10) de l'ensemble de cellules (1), le circuit de surveillance (200) comprenant une pluralité de languettes d'interconnexion (210), chaque languette d'interconnexion (210) étant destinée à recouvrir, au moins en partie, au moins un terminal (11) de l'une des cellules de chaque paire de cellules adjacentes.
BOPI
Sede Electrónica
