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1000
resultados
Última actualización
16/07/2026 [07:55:00]
Resultados 25 a 50 de 1000
Resumen de: CN121794516A
A sealed connector (100) for two cooling plates (200, 300) of a cooling system (S) for at least one electrical/electronic component (B) comprises an inner sleeve (1) and a housing (2). The inner sleeve (1) is of a tubular structure and defines a channel (10) configured to convey cooling liquid between the first opening (11) and the second opening (12). The housing has at least two outer shells (3, 4, 5) having a tubular structure, arranged in series along a longitudinal axis (Y), each of the two outer shells externally wrapping a length of the longitudinal portion of the inner sleeve. The housing defines a complete and articulatable outer envelope of the sealed connector and externally wraps the inner sleeve over the entire longitudinal extension of the inner sleeve.
Resumen de: WO2025051684A1
The invention relates to a temperature control device for components the operation of which is temperature-sensitive, these components being intended in particular for energy storage and possibly being battery cells, in particular for a vehicle, the temperature control device including: a housing forming an enclosure configured to receive one or more components submerged in a dielectric fluid, a dielectric fluid circuit passing through the enclosure and having a fluid inlet and a fluid outlet, the dielectric fluid circuit also passing through a lower fluid chamber, located under the enclosure that receives the components, the lower fluid chamber being at least partially delimited by a perforated lower plate (26) against which the one or more components arranged in the enclosure bear, this perforated lower plate (26) resting on bearing elements that are located in the lower fluid chamber, and the bearing elements being formed by elastically deformable blades (31).
Resumen de: WO2025052075A1
The invention relates to a heat exchanger (1) for electric battery cells (4), the heat exchanger being characterised in that it comprises: - a housing (2) extending in a longitudinal direction between a front wall of the housing (2d) and a rear wall of the housing (2e), and in a transverse direction between a right wall of the housing (2b) and a left wall of the housing (2c), a heat transfer fluid inlet (8), and a heat transfer fluid outlet (9); - a cell holder for accommodating cells (4) inside the housing (2), the cell holder (3) comprising longitudinal series (S1, S2, S3, S4, S5) of cell recesses; - a fluid distribution zone (7) connected to the fluid inlet (8) and to the fluid outlet (9); and - a main heat exchange zone supplied with fluid via the fluid distribution zone (7), wherein, for each series (S1, S2, S3, S4, S5) of recesses and over at least one portion of the height of the cells (4), heat exchange is carried out between the heat transfer fluid and the cells (4) arranged in the recesses of the series, the recesses of each series (S1, S2, S3, S4, S5) being bordered laterally on one side by a longitudinal fluid circulation zone for circulating the fluid in a forward direction towards the rear wall (2e) of the housing (2), referred to as the main forward circulation zone, and on the other side by a longitudinal fluid circulation zone for circulating the fluid in a return direction towards the front wall (2d) of the housing (2), referred to as the main return circula
Resumen de: WO2025051686A1
The invention relates to a temperature control device (1) for components, the operation of which is sensitive to temperature, these components being intended in particular for energy storage and possibly being battery cells, in particular for a vehicle, the temperature control device comprising: - a housing (2) forming an enclosure configured to receive one or more components immersed in a dielectric fluid, the housing (2) being configured to be able to be placed on a base (300) that supports at least a dielectric fluid supply end piece and a dielectric fluid discharge end piece, and the housing (2) having a lower face that faces the base (300) once the housing has been placed on said base (300), - a dielectric fluid circuit passing through the enclosure and having a fluid inlet (11) and a fluid outlet on the lower face of the housing (2) such that, when the housing (2) has been placed on the base (300), the inlet and outlet can be fluidically connected respectively to the dielectric fluid supply end piece and to the dielectric fluid discharge end piece of the base (300).
Resumen de: WO2025051691A1
The invention relates to a temperature control device (1) for controlling the temperature of at least one component (10) to be temperature controlled, this temperature control device (1) including: - at least two side walls (3) facing each other; - at least one bottom wall to which the two side walls (3) are connected so as to form a cavity (5) for receiving at least one component (10) to be temperature controlled, the device (1) being characterised in that the two side walls are integral with the bottom wall; and - the device comprises a fluid circulation circuit (C) intended to be in contact with the component (10) in order to control the temperature of same, formed in at least one of the walls and at least one dispensing port (6) and one recovery port (7) of a fluid, which is configured to convey the fluid to and from the receiving cavity.
Resumen de: EP4776340A1
0001 The present disclosure provides a composite phosphate cathode material, belonged to the technical field of cathode materials. The composite phosphate cathode material includes a composite phosphate. The composite phosphate is represented by a general formula (I): Na<4>Fe<(2.91-a-b-e-d)>MnTiNi
Resumen de: EP4776007A1
0001 The present disclosure provides a method, equipment, and storage medium for predicting battery cycle performance. The method for predicting battery cycle performance includes: acquiring a performance characteristic of a battery to be tested from historical usage data of the battery to be tested; and performing prediction processing on the performance characteristic based on a cycle performance prediction model which is pre-trained to obtain a cycle performance indicator of the battery to be tested.
Resumen de: EP4776341A1
0001 Provided is a cathode electrode material and a preparation method thereof, and a cathode electrode sheet and a sodium-ion battery. The cathode electrode material includes a composite particle. A molecular formula of the composite particle is represented by Na
Resumen de: EP4776373A1
The present disclosure provides a lithium-ion battery and an electrical device. The lithium-ion battery includes a positive electrode sheet and an electrolyte. Active material in the positive electrode sheet includes a lithium phosphate positive electrode material and a lithium cobalt nickel manganese oxide. The electrolyte includes a positive electrode film forming agent, a negative electrode film forming agent, and a lithium salt. The lithium salt includes lithium hexafluorophosphate and lithium bisfluorosulfonylimide. The lithium-ion battery satisfies a formula as follows: 0.1≤NL×SaltAdd≤0.59, wherein NL is a mass ratio of the lithium cobalt nickel manganese oxide to the lithium phosphate positive electrode material, Salt is a value of a sum of molar concentrations of the lithium hexafluorophosphate and the lithium bisfluorosulfonylimide in the electrolyte in mol/L, and Add is a mass ratio of the positive electrode film forming agent to the negative electrode film forming agent.
Resumen de: WO2025051687A1
The invention relates to a temperature control device for components having a temperature-sensitive operation, these components being particularly intended for energy storage and may include battery cells, in particular for a vehicle, the device comprising: - a housing (2) forming an enclosure (3) configured to accommodate one or more components immersed in a dielectric fluid; - a dielectric fluid circuit (10) passing through the enclosure (3) and being provided with a fluid inlet (11) and a fluid outlet, the fluid inlet (11) being provided with a check valve (45) configured to prevent any gas that may be present in the enclosure (3) from being discharged through the fluid inlet.
Resumen de: WO2025052072A1
The invention relates to an electric battery cell (1) comprising at least one successive stack of a sheet of a first electrode (10), of an insulating first separator (15), of a second electrode (20) of opposite polarity to the first electrode (10), and of a second separator (25), the first electrode (10) and/or second electrode (20) comprising current-collecting tabs (50), the cell (1) comprising at least one current collector (60) equipped with at least one insertion slot (61), the current-collecting tabs (50) being inserted into the at least one insertion slot (61) on either side of the current collector (60), the current-collecting tabs (50) being capable of electrically connecting the first electrode (10) or second electrode (20) on the one hand and the at least one current collector (60) on the other hand. The invention further relates to a process for manufacturing such a cell (1).
Resumen de: WO2025052073A1
The invention relates to an electric battery cell (1) comprising at least one successive stack of a sheet of a first electrode (10), of a first insulating separator (15), of a second electrode (20) and of a second insulating separator (25), the cell (1) comprising at least one current collector (60) comprising a metal plate, the current collector (60) comprising at least one recess (61) defining a passage in the metal plate and having an open outline, in which cell (1) at least one electrode comprises a plurality of series (52) each comprising a plurality of current-collection tabs (50) configured to collect an electric current delivered by the at least one electrode, the series (52) being inserted into the at least one recess (61) and making contact with the metal plate so as to make an electrical connection between the at least one electrode and the current collector (60).
Resumen de: EP4776399A2
Die Erfindung betrifft ein Batteriegehäuse (1) zur Aufnahme von einer Vielzahl von Batteriekomponenten (3), aufweisend eine erste Batteriegehäusekomponente (10), eine zweite Batteriegehäusekomponente (20) und zumindest einen Batteriekomponentenhalter (30), der eine Vielzahl Aufnahmeeinrichtungen (40) zur Aufnahme der Batteriekomponenten (3) aufweist. Der Batteriekomponentenhalter (30) ist sandwichartig zwischen der ersten Batteriegehäusekomponente (10) und der zweiten Batteriegehäusekomponente (20) angeordnet und mit der ersten Batteriegehäusekomponente (10) und/oder mit der zweiten Batteriegehäusekomponente (20) stoffschlüssig verbunden. Die Erfindung betrifft ferner eine Batterie (4) aufweisend ein Batteriegehäuse (1) und ein Kraftfahrzeug aufweisend eine Batterie (4).
Resumen de: EP4776367A1
0001 A battery cell and a preparation method thereof, and a lithium-ion battery are disclosed, relating to the technical field of secondary battery materials. In the battery cell provided, a safety coating is introduced into the positive electrode sheet and the capacity contributed by the first active material in the safety coating is limited. The first active material not only reduces the possibility of contact between the positive electrode and negative electrode, enhancing the mechanical safety performance of the battery cell, but also contributes a certain capacity, thus lowering the N/P ratio (the ratio of negative electrode capacity to positive electrode capacity) of the battery cell, reducing the potential of the positive electrode in a fully charged state, and improving the thermal abuse performance and cycling performance of the battery. Ultimately, by defining the relevant parameters, the present disclosure provides a battery cell that exhibits good mechanical safety performance, good thermal chamber performance, good cycling performance, and improved low-temperature discharge performance and cycling performance.
Resumen de: WO2025051683A1
The invention relates to an electric energy storage module (2) comprising two main extension walls (22) and side walls (23, 24, 25, 26) which are orthogonal to the main extension walls (22), means (28) for attachment to a housing (1) which is capable of accommodating such modules (2) stacked in a stacking direction (L), the module (2) being characterised in that the attachment means (28) comprise an attachment lug projecting from a main extension wall (22) or from one of the side walls (23, 24, 25, 26) in a direction (T, Z) orthogonal to the stacking direction (L), the attachment lug being capable of extending the module (2) towards a partition (10, 12, 18) of the housing (1), proximal to the main extension wall (22) or to the side wall (23, 24, 25, 26), in order to attach the module (2) to the partition (10, 12, 18).
Resumen de: WO2025052082A1
The invention relates to a safety valve (100) for extinguishing thermal runaway or fire in a device for storing energy in electrochemical form, this device comprising a casing (30), the valve itself comprising: - a valve body (1), provided with a valve shutter (5) and a valve-shutter support (4), the valve shutter being able to come into the closed position, bearing against a first face of the support; - the support (4) comprising at least one orifice (41, 42) for allowing a flow of a material to circulate when the valve shutter (5) is in the open position, and means (12, 12') for: * keeping the valve shutter in the open position for a pressure, exerted from the first face of the support, below a 2nd threshold which is lower than a 1st threshold; * bringing the valve shutter into the closed position for a pressure, exerted from the first face of the support, above the 2nd threshold but below the 1st threshold; * allowing the valve to open for a pressure, exerted from the second face of the support, above the 1st threshold; - means (20) for connecting a duct for injecting a material into the valve, from the second face of the support towards its first face, - and a membrane (35) attached to, or against, the support (4).
Resumen de: EP4776405A1
0001 A buffer pad (200), a battery cell (100), a battery (1000), and an electric apparatus (2000) are provided. The buffer pad (200), used inside the battery cell (100), includes a plurality of buffer members (20), where the plurality of buffer members (20) are arranged along a first direction, and two adjacent buffer members (20) have different rebound rates under a same pressure.
Resumen de: EP4776392A1
0001 A seawater battery is disclosed. The disclosed seawater battery includes an anode electrode chamber, a flow electrode chamber, and a cathode electrode chamber.
Resumen de: WO2025051408A1
The invention relates to a battery housing for a drive battery of a vehicle, and to the manufacture of said battery housing. The proposed invention relates to a manufacturing method (100) for manufacturing a battery housing (200) for a drive battery (501) of a vehicle (500), wherein the manufacturing method (100) comprises providing (101) a battery frame (300), providing (103) at least one cooling plate (400) and forming (105) the battery housing (200) by virtue of the at least one cooling plate (400) being arranged on the battery frame (300), wherein the at least one cooling plate (400) comprises a base panel (401) and a cooling meander panel (403), wherein the cooling meander panel (403), in conjunction with the base panel (401), forms a number of cooling channels (405) for conducting coolant through the at least one cooling plate (400), and wherein the at least one cooling plate (400) is welded or adhesively bonded to the battery frame (300).
Resumen de: EP4775714A1
0001 The present disclosure relates to a copper foil, a preparation method thereof, a copper foil for a lithium-ion battery, a current collector, an electrode plate, a battery, and an electric device. The copper foil has a first surface and a second surface which are opposite to each other. Glossiness of the first surface is expressed as Gs1, and glossiness of the second surface is expressed as Gs2, where GS1 is greater than GS2, and a principal diameter of a fitted ellipse of the grain in a sectional crystal structure between the first surface and the second surface is expressed as ΦED, ΦED satisfies: ΦED = * sqrt(a2 + b2), ΦED is 0.1 µm to 6.5 µm, and a and b are a major radius and a minor radius of the fitted ellipse, respectively. The copper foil has both high tensile strength and high elongation, thereby reducing breaking and wrinkling of the copper foil for the lithium-ion battery in the manufacturing process of the copper foil and the battery manufacturing and using process, and improving cycle performance and safety of the battery.
Resumen de: US2025074813A1
A conductive paste is provided including a conductive material, glass frit and an organic vehicle. The glass frit includes V2O5, TeO2, Bi2O3, and Al2O3. V2O5 is present in an amount of from about 15 wt. % to about 30 wt. % based on the total weight of the glass frit. Articles containing the conductive paste and methods for using the conductive paste are also provided.
Resumen de: WO2025052048A1
According to the invention, a system is equipped with a cellular battery assembly (EB) comprising modules (MC) that contain cells for storing electrical energy and that are secured by first screws (V1) to crossbars (TB) separating them and under which a cooling device (DR) is installed, the cooling device being placed above a protective plate (PP). Each module (MC) comprises two ends each provided with two connection terminals (BOC) connected to corresponding connection terminals (BOC) of neighbouring modules (MC) via inter-module conductive lines (LC) that are fixedly secured by second screws (V2), and a power board to which the cells are coupled and generating, when not in operation, a zero voltage difference between the connection terminals (BOC), the heads of the first and second screws (V1, V2) being accessible from beneath the cellular battery assembly in order to allow the module (MC) to be uninstalled by unscrewing these screws, after movement of the cooling device (DR) and protective plate (PP).
Resumen de: EP4776389A1
0001 The present invention provides a heat transfer suppression sheet capable of effectively suppressing high-temperature heat transfer from a battery cell undergoing thermal runaway, and having excellent followability to expansion and contraction of the battery cell. The present invention also provides a highly safe battery pack including such a heat transfer suppression sheet. In a heat transfer suppression sheet (1), a heat insulation layer (10) and a heat conduction layer (30) are stacked via an organic elastic layer (20). In a pedestal-attached heat transfer suppression sheet (60), a battery cell pedestal (70), which is composed of a heat insulating material and on which a battery cell (40) is to be placed, is integrally provided on one surface or both surfaces of the heat transfer suppression sheet (1). In a battery pack (100), the heat transfer suppression sheet (1) is interposed between a plurality of battery cells (40) with a heat conduction layer (30) thereof in contact with main surfaces of the battery cells (40), and the battery cells (40) are connected in series or in parallel. In addition, in the battery pack (100), the battery cells (40) are placed on the battery cell pedestal (70) of the pedestal-attached heat transfer suppression sheet (60).
Resumen de: EP4776398A1
0001 To provide a heat transfer suppression sheet capable of maintaining a heat transfer suppression effect even when a resin base material is burned out by intense heat or a flame from a battery cell undergoing thermal runaway. Also to provide a battery pack with higher safety capable of maintaining a heat transfer suppression effect even when a resin base material is burned out by intense heat or a flame from a battery cell undergoing thermal runaway. A heat transfer suppression sheet (1) contains a resin base material (10), first inorganic particles (20), and second inorganic particles (30) having a melting point lower than that of the first inorganic particles (20). In addition, a heat transfer suppression member (60) includes a heat insulation layer (50) on a surface of the heat transfer suppression sheet (1). Further, in a battery pack (100), the heat transfer suppression sheet (1) or the heat transfer suppression member (60) is interposed between battery cells (110), and the battery cells (110) are connected in series or in parallel.
Nº publicación: EP4774787A1 15/07/2026
Solicitante:
FPT IND SPA [IT]
FPT Industrial S.p.A.
Resumen de: WO2025052288A1
Cover (1) for a vehicle battery (2) provided with a flat blank (3) comprising a plurality of portions (3a, 3b', 3b' ', 3c', 3c' ' ) that can be folded relative to one another, in use, to define a housing space for the battery (2), the blank (3) being made of a fireproof material.
BOPI
Sede Electrónica
