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1263
resultados
Última actualización
26/12/2025 [07:11:00]
Resultados 25 a 50 de 1263
Resumen de: EP4668403A1
This application relates to a cylindrical battery cell (7), a battery (2), and an electric apparatus. The cylindrical battery cell (7) includes a metal shell (20) and an electrolyte. The electrolyte is accommodated in the metal shell (20). The electrolyte includes an electrolytic salt. The electrolytic salt includes a hexafluorophosphate and a sulfonylimide, and a molar concentration of the hexafluorophosphate is less than or equal to 0.9 mol/L. In embodiments of this application, the reliability of use and cycling performance of the cylindrical battery cell (7) can be improved.
Resumen de: EP4668388A1
A secondary battery includes a case having an opening, an electrode assembly in the case, and a cap assembly configured to seal the opening of the case, the cap assembly including a cap-up exposed to an outside of the case, a vent plate between the cap-up and the electrode assembly, the vent plate being electrically connected to the cap-up, a cap-down between the vent plate and the electrode assembly, the cap-down being electrically connected to the vent plate and the electrode assembly, a first insulator between the vent plate and the electrode assembly, and a second insulator between the vent plate and the electrode assembly, the second insulator being spaced apart from the first insulator and being configured to support the vent plate.
Resumen de: EP4668382A1
The present invention relates to a battery cell pressurizing device and a battery cell manufacturing method using the same, and more specifically, relates to a battery cell pressurizing device uniformly pressurizing a battery cell, and a battery cell manufacturing method using the same.According to one example of the present invention, a battery cell pressurizing device may be provided, which comprises: a first end plate located on one side; a second end plate facing the first end plate to be located on the other side; a pressurizing plate moving and pressurizing the first end plate in a direction where the plurality of battery cells is laminated so that the plurality of battery cells arranged between the first end plate and the second end plate is pressurized; a first pressurizing member provided to pressurize the central portion of the first end plate through the pressurizing plate by pressurizing the central portion of the pressurizing plate; and a second pressurizing member and a third pressurizing member provided to pressurize, based on the center of the first end plate, one side portion and the other side portion, respectively.
Resumen de: EP4668360A1
The present invention provides a lithium secondary battery including a positive electrode; a negative electrode; a separator disposed between the negative electrode and the positive electrode; and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material, the negative electrode active material includes a silicon-based active material, and the non-aqueous electrolyte includes a lithium salt, fluoroethylene carbonate, 1,2-difluoroethylene carbonate, and a coumarin-based compound of a specific formula.
Resumen de: EP4667867A1
A weld step measurement apparatus according to an embodiment disclosed in this document includes a communication circuit, a processor, and a memory configured to store instructions, wherein the instructions may be executed by the processor for the weld step measurement apparatus to acquire 3-dimensional (3D) images of a predetermined area including electrodes stacked on a busbar of a battery from an image acquisition device via the communication circuit, identify step measurement points based on the 3D image, and determine the defectiveness of the battery based on depth values of each of the identified step measurement points.
Resumen de: EP4668361A1
The present invention relates to a cathode active material, a preparation method therefor, and a cathode and a lithium secondary battery which comprise same, the cathode active material having a discrete particle form and comprising a lithium composite transition metal oxide in a discrete particle form with an average particle diameter (D<sub>50</sub>) of greater than 5.5 µm and 10.0 µm or less, wherein the lithium composite transition metal oxide comprises Al, Y and Zr.
Resumen de: EP4668443A1
An energy storage system according to an embodiment of the present disclosure may include a first battery module assembly and a second battery module assembly mounted on the first battery module assembly, wherein the first battery module assembly may include a module guide provided to guide the mounting with the second battery module assembly.
Resumen de: EP4668447A1
A ventilation device and a battery package including the same are disclosed. The ventilation device according to the present invention includes: a deflector covering the through-hole part in a flowing direction to change a direction of travel of the exhaust gas; a cooling plate provided with a through-hole part where the exhaust gas to pass through and dissipating heat of the exhaust gas; and a ventilation filter installed at the through-hole part of the cooling plate to filter the exhaust gas deflected by the deflector;
Resumen de: EP4667367A1
Interchangeable external battery, battery fastening module for a rotor-powered drone and system for fastening an interchangeable external battery. The interchangeable external battery includes a super-toroidal housing with several contained cells and wiring to electrically connect to the outside of the housing. In use, it allows in-flight interchange by another concentric battery of larger or smaller radius that can be located inside or outside the rotors. The battery fastening module includes radially distributed arms defining a central zone for housing the drone body, a pair of perimeter zones, an inner zone for housing a first interchangeable external battery and an outer zone for housing a second interchangeable external battery, such that the first and second batteries are concentric with coupling elements for joining, mechanically and/or electromagnetically, with a complementary coupling element of the batteries, with an electrical connection to power the drone.
Resumen de: EP4668432A1
A battery pack assembly (100) and a vehicle battery. The assembly comprises battery cells (1) comprising cell degassing elements (6). The battery pack assembly (100) further comprises a safety arrangement (2), comprising a cavity (3) provided between a proximal wall (4) and a distal wall (5). The proximal wall (4) is arranged proximate to the plurality of battery cells (1), and the distal wall (5) is arranged distal to the plurality of battery cells (1). The cavity (3) is configured to communicate with the cell degassing elements (6) through said proximal wall (4). The safety arrangement (2) further comprises an exit unit (7) connected in fluid communication with the cavity (3) by a port (8), the degassing unit (7) comprising a vent (9) leading out from the safety arrangement (2). The exit unit (7) is arranged on a second side (14) of the plurality of battery cells (1), said second side (14) being arranged at least substantially orthogonally to the proximal wall (4) of the cavity.
Resumen de: EP4667164A1
A lockout device for preventing a battery pack from attaching to a battery interface of a power tool, the battery interface being for mechanically and electrically engaging a battery pack to the power tool, the battery interface comprising a retention device for mechanically securing the battery pack to the battery interface, the lockout device comprising: a coupling configured for engagement with the retention device of the battery interface to prevent a battery pack from being attached to the battery interface.
Resumen de: CN120677209A
The present disclosure relates to a flame retardant powder coating composition comprising: a) a film forming component; b) a source of phosphoric acid; and c) a filler material comprising clay, calcium carbonate, aluminum hydroxide or clay and silica. The present disclosure also discloses a substrate coated with the powder coating composition and a method of coating a substrate.
Resumen de: US2025360653A1
Set forth herein are materials, systems, and methods for sintering bilayers that include a layer of a metal and a layer of a ceramic.
Resumen de: EP4668531A1
Embodiments of this application provide a battery and a power consumption system. After the battery is connected to a load, to make full use of an available capacity of a cell group, a processor in the battery may determine an open-circuit voltage of the cell group or a state of capacity of the cell group. A DC-DC conversion circuit supplies power to the load in a first discharge mode or a second discharge mode based on the determined open-circuit voltage of the cell group or the determined state of capacity of the cell group. The first discharge mode is supplying power to the load based on a discharge curve of the cell group, the second discharge mode is supplying power to the load based on a first specified voltage, and the first specified voltage is within a working voltage range of the load.
Resumen de: EP4668420A1
Dargestellt und beschrieben ist ein Verfahren für eine Profilieranlage (1) zur Herstellung eines geschlossenen Profils (2) für ein dichtes Gehäuse (3) für eine elektrische Zelle. Die Profilieranlage (1) weist eine Prägevorrichtung (4), eine erste Stanzvorrichtung (5), eine erste Fügevorrichtung (8), eine zweite Fügevorrichtung (9), eine Profiliervorrichtung (10) und eine Trennvorrichtung (11) auf.Aufgabe der vorliegenden Erfindung ist die Angabe eines Verfahrens für die Profilieranlage (1) zur Herstellung eines geschlossenen Profils (2) mit einem Überdruckventil, welches kostengünstiger als im Stand der Technik herstellbar ist oder zumindest eine Alternative darstellt.Die Aufgabe ist durch ein Verfahren mit den folgenden Schritten gelöst: Einprägen einer Sollberststelle (26) durch die Prägevorrichtung (4) in ein Berstmetallband (21) zur Zwangsentlüftung bei einem Berstdruck. Stanzen einer Öffnung (27) durch die erste Stanzvorrichtung (5) in ein Profilmetallband (22) mit einer ersten Bandkante (24) und einer zweiten Bandkante (25) passend zur Sollberststelle (26). Stoffschlüssiges Fügen des Profilmetallbands (22) und des Berstmetallbands (21) aufeinander durch die zweite Fügevorrichtung (9), sodass die Sollberststelle (26) und die Öffnung (27) im Profilmetallband (22) passend zueinander sind. Rollformen des Profilmetallbands (22) in ein Profil durch die Profiliervorrichtung (10). Stoffschlüssiges Fügen der ersten Bandkante (24) und der zweiten Bandkante (2
Resumen de: EP4668179A1
Computer system (100), computer-implemented method and computer program product are provided for indirect measurement of battery degradation of a particular electric vehicle (221). Parameter sets (200p) associated with completed charging runs (200) comprise: a charging level (220b-*), a vehicle range (220r-*), and a corresponding odometer reading (220o-*) or time point (220t-*). The vehicle range values (220r-*) are grouped by corresponding charging levels (220b-*) belonging to corresponding grouping intervals, such as predefined odometer reading intervals or time intervals in which the respective charging runs occurred. A maximum value (220mr-*) of the vehicle range related parameter obtained. For each charging level, a first mean/median (200rct-*) of the associated vehicle range is computed in each grouping interval. For each associated charging level (220b-*) in each grouping interval (GI*), the ratio of the first mean/median to the respective maximum value of vehicle range is computed, and an intermediate battery degradation value is determined by grouping interval for each charging level based on said ratios. For each grouping interval, a second mean/median of all intermediate battery degradation values across all charging levels is computed in the respective grouping interval (GI*) resulting in the battery degradation values (BDV*) for each grouping interval.
Resumen de: EP4667520A1
The invention relates to a thermally conductive composition comprising a curable polymeric matrix and a filler composition consisting of at least one thermally conductive filler and at least one type of hollow microspheres.The thermally conductive composition can be formulated to show excellent thermal conductivity while significantly reducing the density of the material.
Resumen de: CN120604314A
A separator for an electrochemical element is shown comprising fibrillated regenerated cellulose fibers wherein the fibrillated regenerated cellulose fibers constitute at least 75% of the mass of the separator. The quantity of the separator is at least 8 g/m2 and at most 17 g/m2, and the bulk of the separator is at least 12 mu m and at most 40 mu m. The membrane has uniformity in terms of its thickness and fibrous structure, characterized in that there are both the following features (i) and (ii): (i) the ratio of the bulk of the membrane to the monolithic thickness of the membrane is at least 0.88 and at most 1.04, and (ii) the contrast value C determined by image analysis is at least 1000 and at most 1600.
Resumen de: WO2024170765A1
A battery pack (30), related methods and to a transport refrigeration unit of a type configured to draw power from rechargeable batteries in cooling the interior of a mobile enclosure, such as in a trailer or lorry. The battery pack (30) comprises a framework (20) by which the pack is mounted in use and a battery compartment (40) for plural rechargeable battery cells (41). The framework may include at least one shelf for supporting the plural battery cells in the compartment, the shelf having at least one fluid flow channel (67) therein and the battery pack comprises at least one fluid movement device (62) arranged to move cooling fluid through the at least one channel to cool the battery cells in use. The framework may include plural vertically spaced shelves for supporting rows of the plural battery cells in the compartment, wherein the battery cells are orientated such that the terminals for connecting to the cells vertically on top.
Resumen de: WO2024170686A1
The invention relates to a battery housing cover (18) for covering at least one battery cell (10), comprising a main part (20), with at least one section (22) comprising a fibre composite with an oxide matrix being arranged on the main part (20). The invention also relates to a method for producing a battery housing cover (18), and an assembly comprising a battery cell (10) and a battery housing cover (18), the production of an assembly of this type, an electric vehicle and the use of a section (22) comprising a fibre composite with an oxide matrix for a battery housing cover (18).
Resumen de: WO2024170685A1
The invention relates to a battery housing cover (10) for covering at least one battery cell (26), wherein the battery housing cover (10) comprises a fibre composite with an oxide matrix. The invention also relates to a layer system (14) for a battery housing cover (10) with a first layer (16) made of a fibre composite with an oxide matrix and a second layer (18) made of a thermally insulating material. The invention further relates to the use of a fibre composite with an oxide matrix for a battery housing cover (10), a method for producing a layer system (14) and a method for producing a battery housing cover (10).
Resumen de: EP4668464A1
A busbar assembly, a cylindrical power battery module, and a battery pack are provided. The busbar assembly includes: an input bar connected to a battery cell at an input end of a cylindrical power battery module; an output bar connected to a battery cell at an output end of the cylindrical power battery module; current conduction bars arranged between the input bar and the output bar and configured to work in conjunction with the input bar and the output bar to connect in series in a first direction two adjacent battery cells arranged in the first direction and connect in parallel in a second direction two adjacent battery cells arranged in the second direction; and a wiring harness member, where an input end thereof is connected to at least one of the input bar, the output bar, the current conduction bars, and multiple battery cells
Resumen de: WO2024170725A1
An implant is provided. The implant comprises an internal computing unit configured to control a function of said implant, said internal computing unit comprises an internal memory configured to store: i. a first control program for controlling the internal computing unit, and ii. a second, configurable or updatable, with predefined program steps, control program for controlling said function of said implant, iii. a set of predefined program steps for updating the second control program. The implant further comprises an internal communication unit connected to said internal computing unit and configured to communicate with an external device, wherein said internal computing unit is configured to receive an update to the second control program via said internal communication unit, and a verification function of, connected to, or transmitted to said internal computing unit, said verification function being configured to verify that the received update to the second control program comprises program steps comprised in the set of predefined program steps, wherein the implant further comprises an implantable apparatus for treating urinary retention of a mammal patient comprising: an implantable powered member adapted exert a force from the outside on a selected part of the urinary bladder in order to discharge urine from the urinary bladder, and a control device for controlling the operation of the powered member.
Resumen de: CN120814055A
The present invention relates to a binder composition comprising a vinylidene fluoride polymer and to the use thereof in the preparation of an electrode of a secondary battery.
Nº publicación: EP4666326A1 24/12/2025
Solicitante:
KARLSRUHER INST TECHNOLOGIE [DE]
Karlsruher Institut f\u00FCr Technologie
Resumen de: CN120693695A
The present invention relates to a method (210) and a device (110) for initial charging of a lithium-containing anode (114) in an electrochemical device (112) wherein the electrochemical device (112) comprises an anode (114), a cathode (116) and an electrolyte (122) configured for providing a connection between the cathode (116) and the anode (114). The method (210) comprises the following method steps: a) providing an electrochemical device (112) in which the anode (114) and the cathode (114) have not previously been fully charged; b) supplying a plurality of current pulses (126) to the electrochemical device (112), thereby generating a solid electrolyte intermediate phase (30) on a surface (132) of the anode (114) and a surface (133) of the cathode (116), each adjacent to the electrolyte (122), where the solid electrolyte intermediate phase (130) includes corrosion products of the electrolyte (122) and the anode (114) or the cathode (116), respectively; and c) obtaining the formed electrochemical device (112); d) determining at least one material parameter relating to the performance of the electrochemical device (112) during method step b); and e) adjusting at least one pulse parameter relating to a current pulse (126) applied to the electrochemical device (112) during method step b). The method (210) and apparatus (110) according to the invention initially charges an electrochemical device (112) in a relatively fast manner while reducing waste and diffusion of the electro
BOPI
Sede Electrónica
