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1633
resultados
Última actualización
12/02/2026 [07:33:00]
Resultados 25 a 50 de 1633
Resumen de: DE102024002552A1
Die Erfindung zeigt eine Batterie (10) für ein Kraftfahrzeug mit mehreren Batterieeinheiten (12) die über eine Stromschiene (20) miteinander verschaltet sind und jeweils eine Überwachungseinheit (14) aufweisen und die Überwachungseinheiten (14) miteinander und mit einem Batteriemanagementsystem (16) über eine Kettenschaltung (18) verbunden sind, wobei die Stromschiene (20) wenigstens ein Verbindungselement (22) für die Kettenschaltung (18) aufweist, über welches zwei Überwachungseinheiten (14) mittels der Stromschiene (20) für die Kettenschaltung (18) verbunden sind, wobei ein erstes Leitungselement (24) der ersten der zwei Überwachungseinheiten (14) mit einem ersten Ende (26) des Verbindungselements (22) und ein zweites Leitungselement (28) der zweiten der zwei Überwachungseinheiten (14) mit einem zweiten Ende (30) des Verbindungselements (22) verschweißt sind, sodass die beiden Leitungselemente (24, 28) und das Verbindungselement einen Teil (32) der Kettenschaltung (18) bilden. Ferner zeigt die Erfindung eine Verfahren zur Herstellung einer Batterie (10) sowie ein Kraftfahrzeug.
Resumen de: DE102025131588A1
Ein Batteriepack weist eine Speicherbatterie, mehrere Schalter, eine Spannungserfassungsschaltung und eine Diagnoseschaltung auf. Die Speicherbatterie weist mehrere in Reihe geschaltete Batteriezellen auf. Die Schalter entsprechen den jeweiligen Batteriezellen und sind jeweils in einem ersten Parallelpfad einer entsprechenden Batteriezelle vorgesehen. Die Spannungserfassungsschaltung ist so konfiguriert, dass sie die jeweiligen Spannungen über den Schaltern als mehrere Zellspannungen erfasst, die den jeweiligen Batteriezellen entsprechen. Die Diagnoseschaltung ist so konfiguriert, dass sie einen oder mehrere der Schalter in einem vorbestimmten Zeitraum in einen eingeschalteten Zustand versetzt, und so konfiguriert, dass sie einen Diagnoseprozess auf der Grundlage eines Erfassungsergebnisses der Spannungserfassungsschaltung vor dem vorbestimmten Zeitraum und eines Erfassungsergebnisses der Spannungserfassungsschaltung nach dem vorbestimmten Zeitraum durchführt.
Resumen de: DE102024002555A1
Die Erfindung betrifft ein Kraftfahrzeug, umfassend einen durch Li-Ionen Zellen (16a - 16e) gespeisten elektrischen Antriebsmotor (10) und eine Steuerung (12), die eine Ladeschaltung (14) mit einem Schnelllademodus für die Li-Ionen Zellen (16a - 16e) aufweist, wobei die Li-Ionen Zellen (16a - 16e) in einem Batteriegehäuse (20) angeordnet sind. Gemäß der Erfindung ist in dem Batteriegehäuse (20) ein flüssiges Immersionsmedium (24) angeordnet, welches die Li-Ionen Zellen (16a - 16e) zumindest teilweise umgibt. In Verbindung mit dem Immersionsmedium (24) ist ein Ultraschallgenerator (38a - 38e) angeordnet, welcher mit der elektrischen Steuerung (12) verbunden ist. Das Kraftfahrzeug weist eine Kühleinrichtung (32) für das Immersionsmedium (24) aufweist und die elektrische Steuerung (12) ist ausgebildet ist, den Ultraschallgenerator (38a - 38e) zumindest im Schnellademodus zumindest zeitweise zu aktivieren. Die Erfindung ermöglicht eine schnellere und schonendere Ladung von Li-Ionen Akkus in Kraftfahrzeugen.
Resumen de: EP4693808A1
A battery device includes: a main processor (100) to monitor a voltage of a battery (BAT) in a wake-up state, and perform a protection operation of a battery pack depending on a monitoring result; and a sub-processor (600) to monitor the voltage of the battery (BAT) in a sleep state of the main processor (100), and generate a wake-up signal for waking up the main processor (100) when an abnormality occurs in the voltage of the battery (BAT) monitored by the sub-processor (600). The main processor (100) is to be woken up by the wake-up signal, monitor the voltage of the battery (BAT), determine a current status of the battery pack depending on the voltage of the battery (BAT) monitored by the main processor (100), and perform the protection operation depending on a determination result.
Resumen de: EP4693519A1
A negative electrode and a rechargeable lithium battery including the negative electrode are disclosed. The negative electrode may include a negative electrode current collector; and a negative electrode active material layer on the negative electrode current collector; wherein the negative electrode active material layer includes a negative electrode active material and an additive, and the additive includes a compound that coagulates at conditions of pH 5.5 or lower and/or 90 °C or higher. The negative electrode may form or provide a film to block ionic current (or a flow of ions) and induce shutdown of the rechargeable lithium battery if (e.g., when) the pH decreases and/or the temperature increases due to an abnormal reaction (e.g., an undesirable side reaction) of the rechargeable lithium battery, thereby improving or enhancing stability (e.g., chemical stability and/or physical stability) and reliability of the rechargeable lithium battery.
Resumen de: EP4692006A1
La présente invention concerne des verres ternaires de silicate de nickel de lithium, ainsi que leur procédé d'obtention. L'invention vise également la préparation et l'utilisation desdits verres en tant que matériaux actifs d'électrodes positives, en particulier d'accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se.
Resumen de: EP4693614A1
A temperature-controlled energy-storage (ES) system (100) of a materials-handling vehicle (602) comprises a plurality of ES modules (115), each ES module (115) comprising a plurality of ES units (112). The ES modules (115) may be secured within a substantially vertical stack (1015). The ES modules (115) may comprise temperature control (TC) elements (122) that may be secured over respective ES units (112). The TC elements (122) may comprise TC couplings (124) configured to connect the TC elements (122) to a heat exchange system (150) in parallel. A separator (132) may be disposed between lateral ends of the ES units (112) and the TC couplings (124).
Resumen de: EP4693664A1
A temperature-control (TC) system (120) comprises a plurality of TC elements (122). Each TC element (122) is attached to a respective energy storage (ES) unit (112). Each ES unit (112) is part of an ES module (115) of a materials-handling vehicle (602). The TC elements (122) may be coupled to a heat exchange system (150) in parallel via separate, independent couplings (124). The TC elements (122) may be further configured such that a combined length of the coupling (124) of each TC element (122) is substantially equal, which may result in the ES units (112) receiving substantially equivalent TC services, even under high-load conditions.
Resumen de: EP4693650A2
End plates and battery assemblies including the same are discloses. In an embodiment, an end plate comprises a main body portion including a first surface having a planar shape, a second surface having a curved shape and disposed to face away from the first surface, and a first connection surface and a second connection surface, each of the first connection surface and the second connection surface disposed to connect the first surface to the second surface and face away from each other; and a recess portion including a recess space recessed from the second surface toward the first surface, and extending from the first connection surface toward the second connection surface.
Resumen de: EP4693624A2
A secondary battery (100) includes a housing (10), an electrode assembly (20), and a packaging assembly (30), the electrode assembly (20) includes a positive electrode plate (21), a separator (23) and a negative electrode plate (22), an edge of the negative electrode plate (22) is provided with a first groove (22a) and an edge of the separator (23) is provided with a second groove (23a). The first groove (22a) and the second groove (23a) together form a first main groove (20a), an inner wall of the housing (10) is provided with a first isolation member (40) along a groove wall of the first main groove (20a), the first isolation member (40) and the housing (10) close in to form a first sealing cavity (10a), and at least a portion of the packaging assembly (30) is accommodated in the first sealing cavity (10a).
Resumen de: EP4693620A2
The present invention relates to a battery pack including a battery cell stack including a plurality of battery cells, a cooling member that cools the battery cell stack, a heat transfer member that discharges heat from the plurality of battery cells to the cooling member, and a pack case that accommodates the battery cell stack, the cooling member, and the heat transfer member therein, wherein the heat transfer member includes an introduction portion and a discharge portion of a cooling fluid. When the temperature of the battery cell is equal to or lower than a dangerous temperature, it is possible to adjust the temperature of each of the battery cells to a predetermined level, and when the temperature of the battery cell is higher than the dangerous temperature, it is possible to rapidly cool the battery cell.
Resumen de: EP4693550A1
A battery module includes: a plurality of secondary batteries; a housing accommodating the plurality of secondary batteries; and a first bracket arranged to pass between at least two secondary batteries of the plurality of secondary batteries in a first direction and including a first end and a second end joined to the housing.
Resumen de: EP4692366A2
Briefly, a sensor for a continuous biological monitor is provided for measuring the level of a target analyte for a patient. The sensor has a working wire and a reference wire, where the working wire has an analyte limiting layer that passes more than 1 in 1000 analyte molecules from the patient to an enzyme layer. The enzyme layer has an enzyme entrapped in a polyurethane cross-linked with acrylic polyol. As free electrons are generated, a conductor transfers the electrons to the biological monitor. In some cases, the sensor may be constructed without the use of any expensive platinum.
Resumen de: EP4693660A2
Disclosed is a battery module having an improved structure to appropriately control the discharge of a flame or the like generated in the battery module, and a battery pack and a vehicle including the battery module. The battery module includes a cell assembly having a plurality of battery cells stacked side by side in a left and right direction in a state of being erected in an upper and lower direction and having a taping member partially attached to at least a top sealing portion; a module terminal electrically connected to the cell assembly; and a module case configured to have an outer side at which the module terminal is installed, accommodate the cell assembly in an inner space thereof, and have a top hole communicating with the inner space and formed at an upper side thereof, wherein at the top of the cell assembly, at least a part of an unattached region of the taping member is located in a portion where the top hole is formed.
Resumen de: EP4691976A2
A hard carbon material used as a component of a negative electrode material. The hard carbon material has a porous structure, an average pore diameter of the hard carbon material is D nm, a cumulative pore volume up to the average pore diameter of the hard carbon material is B cm<3>/g, a micropore volume of the hard carbon material is A cm<3>/g, and a total pore volume of the hard carbon material is C cm<3>/g, where 1.00 < D/B ≤ 10.00, and 0.35 ≤ A/C ≤ 1.00.
Resumen de: EP4693599A2
A secondary battery (100) includes an electrode assembly (20). The electrode assembly (20) includes a first electrode plate (21), where the first electrode plate (21) is provided with a first electrode terminal (24). The first electrode plate (21) has a first edge (201), a second electrode plate (22) has a second edge (202). The electrode assembly (20) includes a first portion (102) and a second portion (103). Along a second direction (Y), a total thickness of the first portion (102) is less than a total thickness of the second portion (103). A projection of the first insulating member (30) covers a projection of a portion of the first electrode terminal (24) extending beyond the second edge (202), and the projection of the first insulating member (30) is separated from a projection of the first edge (201).
Resumen de: EP4693517A1
Polytetrafluoroethylene (PTFE) is a common binder in the positive electrode for alkaline metal (including alkaline earth metal) batteries; however, in this invention we claim the use of PTFE as an active material in alkaline batteries, thereby converting the fluorine in the polymer into lithium fluoride. PTFE becomes an active material by partially removing fluorine from the polymer chain, thereby facilitating lithiation thereof. Thermal treatment of PTFE may include mixing with polyacrylonitrile (PAN). We claim that, after heat treatment, the mixture of PTFE and PAN becomes a cathode active material.
Resumen de: EP4693680A1
Disclosed is a battery pack and a vehicle including the same. The battery pack includes a plurality of battery modules in which a plurality of battery cells are stacked; a pack case in which the plurality of battery modules are accommodated; and a venting cover having a discharge path formed to discharge flame or gas generated from the battery cell and coupled to the pack case.
Resumen de: EP4693455A1
The present disclosure provides a positive electrode mixture comprising a fluorine-containing polymer (A), a fluorine-containing copolymer (B), a positive electrode active material (C), a non-aqueous solvent (D), and water (E), wherein the fluorine-containing polymer (A) contains vinylidene fluoride unit and a monomer unit derived from a monomer (1): CR<sup>1</sup>R<sup>2</sup>=CR<sup>3</sup>-R<sup>4</sup>CO<sub>2</sub>Y<sup>1</sup>, wherein the fluorine-containing copolymer (B) contains vinylidene fluoride unit and a perfluoromonomer unit, wherein the positive electrode active material (C) is a positive electrode active material represented by the general formula (C): Li<sub>y</sub>Ni<sub>1-x</sub>M<sub>x</sub>O<sub>2</sub>, and wherein a content of the water (E) is 200 to 10,000 ppm by mass based on a mass of the non-aqueous solvent (D).
Resumen de: EP4694209A1
The present disclosure provides a wearable device comprising a housing assembly, an interface assembly, and a control board assembly. The housing assembly includes a connection port. The interface assembly includes a wiring end and an interface end opposite to each other, the interface assembly is disposed within the housing assembly in a manner that the interface end faces the connection port, and the interface assembly is connected to an inner wall of the housing assembly. The control board assembly is disposed within the housing assembly and is connected to the wiring end through a wire assembly. By arranging the interface end and the connection port to face and communicate with each other, an external device may be connected to the wearable device in a plug-in manner through the interface assembly, thereby supporting functions such as device debugging, system upgrades, and adjustment of operating modes and parameters. Meanwhile, by connecting the interface assembly to the housing assembly, the housing assembly may be directly used as an installation carrier for the interface assembly, which not only fully utilizes the structure and internal space of the housing assembly, but also facilitates miniaturization and weight reduction of the wearable device, and facilitates disassembly and maintenance of the wearable device.
Resumen de: EP4694208A1
A wearable device includes a housing assembly and a button assembly. The housing assembly includes a first housing provided with a housing space and a button window. The button assembly includes an operating button provided in the housing space. The operating button is movably connected to an inner wall of the first housing. At least a portion of the operating button protrudes out of the first housing through the button window. By movably connecting the operating button with the inner wall of the first housing, the housing assembly is directly designated as a mounting carrier for the button assembly without using other connecting parts. It's not only conducive to full utilization of the structural space of the housing assembly but also conducive to reducing the configuration number of components, thereby providing support for convenient and quick disassembly and maintenance, and realizing miniaturization and lightweight design of the device.
Resumen de: EP4693422A1
The present invention relates to a positive electrode active material, and to a positive electrode active material which may simultaneously solve a problem of a conventional secondary particle and a problem of a single particle, wherein the positive electrode active material may improve energy density through excellent density characteristics as well as cell characteristics, such as improved lifetime and reduced gas generation amount of a lithium secondary battery, by including a particle, such as a conventional single particles, as a primary particle and including a secondary particle that is formed by aggregation of a plurality of primary particles, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4691685A1
The present application relates to the technical field of batteries. Disclosed is a forming method for a battery housing structure. The forming method comprises: providing a surface plate; forming four notch grooves on the surface plate, each notch groove having an outward-opening groove opening, and flanging the periphery of the surface plate outwards to form a turned edging; folding both ends of the surface plate outwards to form two housing side plates, and completely closing the notch grooves by means of welding to form weld seams; forming a U-shaped housing, and enclosing the turned edging to form a U-shaped cavity opening; and a top cover comprising a U-shaped cover plate, placing the cover plate in a housing cavity by means of the cavity opening, closing the cavity opening, and clamping the cover plate between the two housing side plates. By means of the four notch grooves formed on the surface plate, the turned edging is folded and the periphery of the housing is fully covered, the housing and the cover plate are bent and arranged in a U shape, and the cover plate directly seals and covers the cavity opening. Meanwhile, the turned edging plays a role in assembling and positioning, such that the whole assembly and connection are convenient, efficiency is high, and battery safety performance is improved.
Resumen de: EP4693688A1
The present application relates to the field of batteries, and discloses a battery separator and a manufacturing method therefor, a secondary battery, and an electric device. The battery separator comprises a base membrane and a coating provided on the surface of the base membrane. The material of the coating comprises a magnetic heavy metal ion adsorbent. The saturated adsorption capacity of the magnetic heavy metal ion adsorbent is 30-300 mg/g. According to the present application, by adding the magnetic heavy metal ion adsorbent into the coating of the battery separator, the coating capable of adsorbing heavy metal ions is arranged on the battery separator, so that the battery separator is modified, and the modified battery separator has a heavy metal adsorption function and can effectively adsorb heavy metal ion impurities.
Nº publicación: EP4693653A1 11/02/2026
Solicitante:
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd
Resumen de: EP4693653A1
A cell tray, a battery module, and a battery pack are provided. The battery pack includes the battery module. The battery module includes cells and a cell tray. The cell tray includes a tray body and a reinforcement part provided on the tray body. The tray body is provided with a plurality of cell positioning members to fix positions of the cells. The reinforcement part is disposed in an offset manner with the plurality of cell positioning members. The tray body and the reinforcement part are both made of fully plastic materials.
BOPI
Sede Electrónica
