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1768
resultados
Última actualización
26/02/2026 [07:17:00]
Resultados 25 a 50 de 1768
Resumen de: DE102025130552A1
Eine Leistungsspeichervorrichtung (1) umfasst: ein Leistungsspeichermodul (10), das eine Vielzahl von Leistungsspeicherzellen (11) und ein Modulgehäuse (12) umfasst; und ein Leistungsspeichergehäuse (20). Eine erste Führungsnut (27U), die sich entlang einer ersten Richtung (D1) erstreckt, ist entweder auf einer ersten Innenfläche (21UI) des Leistungsspeichergehäuses (20) oder einer ersten Außenfläche (12UO) des Modulgehäuses (12) ausgebildet. Ein erster vorstehender Abschnitt (13U), der in Eingriff mit der ersten Führungsnut (27U) kommt, ist auf der anderen der ersten Innenfläche (21UI) und der ersten Außenfläche (12UO) ausgebildet. Eine zweite Führungsnut (27L), die sich entlang der ersten Richtung (D1) erstreckt, ist an einer zweiten Innenfläche (21LI) des Leistungsspeichergehäuses (20) ausgebildet, die der ersten Innenfläche (21UI) und einer zweiten Außenfläche (12UO) des Modulgehäuses (12) zugewandt ist. Ein zweiter vorstehender Abschnitt (13L), der in Eingriff mit der zweiten Führungsnut (27L) kommt, ist auf einer anderen der zweiten Innenfläche (21LI) und der zweiten Außenfläche (12LO) ausgebildet.
Resumen de: DE102024134827A1
Eine Elektrolytzusammensetzung für Lithium-Sekundärbatterien enthält ein Lithiumsalz und ein organisches Lösungsmittel. Das organische Lösungsmittel enthält ein erstes Etherlösungsmittel mit einer Struktur, die durch R-O-R' dargestellt wird, wobei R ein fluorsubstituiertes C1-2-Alkyl und R' ein unsubstituiertes C1-3-Alkyl ist, und kann ferner ein zweites Etherlösungsmittel enthalten. Das erste Etherlösungsmittel kann Methyl-1,1,2,2-tetrafluorethylether, Ethyl-1,1,2,2-tetrafluorethylether, oder eine Kombination davon in einer Konzentration von etwa 30 bis 90 Vol.-% der gesamten Elektrolytzusammensetzung enthalten. Das Lithiumsalz kann eine oder mehrere Verbindungen aus einer bestimmten Gruppe enthalten und in einer Molarität von etwa 0,1 M bis 3,0 M vorliegen. Diese Elektrolytzusammensetzung ist auch mit Lithium-Metall-Sekundärbatterien kompatibel, die Lithium-Metall-Anoden enthalten, und bietet eine verbesserte Leistung und Stabilität.
Resumen de: DE102024124151A1
Verbindungsvorrichtung (3) für eine Temperiervorrichtung (1) für einen Hochvoltspeicher (2) in einem Kraftfahrzeug, wobei die Temperiervorrichtung (1) dazu ausgebildet ist, Temperiermittel in einem Temperierkreis der Temperiervorrichtung (1) zu führen, wobei die Verbindungsvorrichtung (3) einen Fahrzeuganschluss (6) aufweist, der mit einem Speicheranschluss (7) des Hochvoltspeichers (2) verbindbar oder verbunden ist, wobei die Verbindungsvorrichtung (3) eine Dichtungseinrichtung (8), insbesondere eine Dichtplatte aufweist, die eine Öffnung (9) für den Speicheranschluss (7) aufweist, wobei der Fahrzeuganschluss (6) ein erstes Dichtungselement (10) zur Dichtung eines Zwischenraums (11) zwischen Fahrzeuganschluss (6) und Speicheranschluss (7) aufweist und die Dichtungseinrichtung (8) ein zweites Dichtungselement (13) zur Dichtung eines Zwischenraums (14) zwischen Speicheranschluss (7) und Dichtungseinrichtung (8) aufweist, wobei bei Versagen des ersten Dichtungselements (10) ein Flusspfad (12) des Temperiermittels zwischen dem Fahrzeuganschluss (6) und der Dichtungseinrichtung (8) gebildet ist.
Resumen de: DE102025000524A1
Die Erfindung betrifft ein Verfahren zum Laden einer Hochvolt-Batterie (20) eines elektrisch betreibbaren Fahrzeugs (10) an einer Ladeeinrichtung (30), wobei das Fahrzeug (10) und die Ladeeinrichtung (30) für bidirektionales DC-Laden ausgebildet sind. Dabei wird die Hochvolt-Batterie (20) in einem mit der Ladeeinrichtung (30) gekoppelten Zustand vor einem Start eines Ladevorgangs, wenn die Hochvolt-Batterie (20) sich in einem für den Ladevorgang ungünstigen Temperaturbereich befindet, mit einem DC-Entladestrom für einen vorgebbaren Zeitraum bis zu einem vorgebbaren unteren Entadezustand entladen, bis die Hochvolt-Batterie (20) sich in einem für den Ladevorgang günstigen Temperaturbereich befindet, und danach mit einem DC-Ladestrom geladen wird.
Resumen de: EP4700266A1
The present application provides a connector (11), a cooling apparatus (10), a battery (100), and an electric device. The connector (11) includes a first coupling (111), a second coupling (112), an identification portion (113), and a shielding member (114). The second coupling (112) is connected to the first coupling (111). The identification portion (113) is configured to be identified by an external apparatus. Under the condition that the first coupling (111) and the second coupling (112) are not properly connected, the shielding member (114) shields the identification portion (113), and under the condition that the first coupling (111) and the second coupling (112) are properly connected, the identification portion (113) is uncovered by the shielding member (114) and exposed to an external environment of the connector (11), or the identification portion (113) is capable of being exposed to the external environment of the connector (11) via an identification window provided on the shielding member (114).
Resumen de: EP4700962A1
Embodiments of the present application provide a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, the electrode assembly including a negative electrode plate, a positive electrode plate, and a separator, the separator being configured to isolate the negative electrode plate and the positive electrode plate; where a ratio of a thickness of the separator to a thickness of the negative electrode plate is greater than or equal to 0.07. The battery cell provided in the embodiments of the present application can improve the electrolyte retention capacity of the battery by controlling the thicknesses of the separator and the negative electrode plate, mitigating the decomposition or volatilization of the electrolyte in the battery cell, thereby prolonging the cycle life of the battery.
Resumen de: EP4700902A1
Embodiments of the present disclosure provide a battery pack and an electrical apparatus. The battery pack includes a box, a battery unit, a busbar device, and multiple temperature measurement devices. At least one battery unit is located in the box, the battery unit includes at least two battery cells, a busbar device is provided between every two adjacent battery cells of the corresponding battery unit, the busbar device is electrically connected to terminal posts of the corresponding two adjacent battery cells respectively, the multiple temperature measurement devices are located in the box, and a number of the temperature measurement devices is no less than 1/2 of the number of the battery cells and no more than 2/3 of the number of the battery cells.
Resumen de: EP4700903A1
Embodiments of the present disclosure provide a battery pack and an electrical apparatus. The battery pack includes a box, a battery unit, a busbar device, and a temperature measurement device. The temperature measurement device includes at least one first temperature measurement element and at least one second temperature measurement element, the first temperature measurement element is arranged in contact with the shell of the corresponding battery cell, and the second temperature measurement element is arranged in contact with the terminal post of the corresponding battery cell and/or the corresponding busbar device, the at least one second temperature measurement element is located in an end area on one side of the box along the first direction, the at least one second temperature measurement element is located in an end area on the other side of the box along the first direction, and the at least one second temperature measurement element is located in a middle area of the box along the first direction.
Resumen de: EP4700908A1
A secondary battery module includes two cell stacks, each of the two cell stacks including a plurality of unit cells, the plurality of unit cells arranged along a first direction, a cooling plate between the two cell stacks, and a housing configured to accommodate the two cell stacks and the cooling plate, wherein the cooling plate includes a coolant inlet and a coolant outlet on a first side surface of the cooling plate.
Resumen de: EP4700877A1
A secondary battery includes: an electrode assembly (40) including a plurality of electrode plates, each including an electrode tab (44a, 44b) bent toward a central area of the electrode assembly (40); a current collector (41, 42) welded to the bent electrode tabs (44a, 44b); and a terminal (62, 63) electrically connected to the current collector (41, 42).
Resumen de: EP4699983A1
The present invention relates to a method of preparing a lithium silicon oxide composite in which gas generation is suppressed when an aqueous slurry is used, wherein the present invention provides the method of preparing a lithium silicon oxide composite which includes steps of adding silicon or silicon oxide (SiOx, 0
Resumen de: EP4700872A1
The present application relates to a metal separator and a manufacturing method therefor, the metal separator comprising: a first base material; and a porous body laminated on the upper surface of the first base material, wherein the porous body has a plurality of holes and surface portions present between the plurality of holes, and the upper surfaces of the surface portions and the inner surfaces of the holes each have a surface-modified layer. According to the metal separator and the manufacturing method therefor of the present application, not only electrical conductivity but also corrosion resistance can be excellent.
Resumen de: EP4700893A1
A disclosed nonaqueous electrolyte is a nonaqueous electrolyte for a nonaqueous electrolyte battery. The nonaqueous electrolyte contains a nonaqueous solvent, an electrolyte salt, and an amide compound containing an amide bond and an electron-withdrawing group R. The amide compound is a chain compound. The electron-withdrawing group R contains oxygen and/or nitrogen.
Resumen de: EP4700892A1
A disclosed nonaqueous electrolyte is a nonaqueous electrolyte for a nonaqueous electrolyte battery. The nonaqueous electrolyte contains a nonaqueous solvent, an electrolyte salt, and a heterocyclic compound containing a heterocyclic ring. The heterocyclic ring contains an amide bond.
Resumen de: EP4700891A1
A disclosed nonaqueous electrolyte is a nonaqueous electrolyte for a nonaqueous electrolyte battery. The nonaqueous electrolyte contains a nonaqueous solvent, an electrolyte salt, and an additive. The additive contains two electron-withdrawing groups R having the same structure. The electron-withdrawing groups R contain at least one type of element selected from the group consisting of oxygen, nitrogen, and sulfur.
Resumen de: EP4700409A1
A battery control device (100) includes a computing device (battery controller 101) that computes an internal resistance value (DCR) of a battery (300). The battery controller (101) computes a current differential value (ΔI) on the basis of a first current value (I1) measured at a first clock time (t1) serving as a target measurement clock time and a second current value (I2) measured at a second clock time (t2) serving as a target measurement clock time at which a predetermined time has elapsed from the first clock time (t1). The battery controller (101) computes a voltage differential value (ΔV) on the basis of a first voltage value (V1) measured at a predetermined clock time serving as a target measurement clock time that is later than the first clock time (t1) and a second voltage value (V2) measured at a third clock time (t3) serving as a target measurement clock time at which a predetermined time has elapsed from the second clock time (t2) and that is later than the predetermined clock time. The battery controller (101) computes the internal resistance value (DCR) of the battery (300) on the basis of the current differential value (ΔI) and the voltage differential value (ΔV).
Resumen de: EP4701007A1
A marine busbar cabinet includes a low-voltage control system (200), a high-voltage busbar system (300), a cabinet body (100), and an insulating isolation structure (400). The high-voltage busbar system (300) includes at least two battery clusters being connected in series and/or in parallel. The low-voltage control system (200) is electrically connected to the at least two battery clusters. The cabinet body (100) has an accommodation cavity (111) configured to accommodate the low-voltage control system (200) and the high-voltage busbar system (300). The insulating isolation structure (400) is disposed in the accommodation cavity (111). The insulating isolation structure (400) is configured to divide the accommodation cavity (111) into a low-voltage chamber (1) and a high-voltage chamber (2) that are insulated from each other. The low-voltage control system (200) is disposed in the low-voltage chamber (1). The high-voltage busbar system (300) is disposed in the high-voltage chamber (2).
Resumen de: EP4700079A1
The present specification discloses a polymer composition. The polymer composition can form a polymer layer exhibiting a PTC (positive temperature coefficient) effect, and the PTC effect of the polymer layer can be very precisely controlled in response to a temperature and an external voltage. The polymer layer can very quickly exhibit at a necessary time a transition between a state exhibiting excellent electrical properties such as very low resistance and a state exhibiting insulator properties due to the increased resistance. Accordingly, the polymer layer is applied to various electronic/electric devices, so that in a normal state, it does not affect driving of the devices through excellent electrical properties, and in an abnormal state, it is possible to ensure stability through the rapid resistance increase. For example, the polymer layer is applied to a secondary battery to be converted into an insulator in an abnormal state, thereby suppressing additional current flow, whereby it is possible to secure excellent stability against risks caused by TR and TP, and the like. The present specification also discloses the polymer layer, and a current collector and a secondary battery, each comprising the same.
Resumen de: EP4700328A1
The present disclosure relates to a defect inspection device and a defect inspection method, and the defect inspection device according to the present disclosure includes a stacked portion in which a plurality of unit cells including at least one electrode and at least one separator are stacked to form a stack, a tilt measurement means that measures the tilt of the uppermost surface of the stack stacked in the stacked portion, and a discriminator that determines whether the unit cell is defective based on the tilt measurement value measured by the tilt measurement means.
Resumen de: EP4700883A2
Provided are an electrolyte for lithium ion battery and a lithium ion battery, specifically relating to the field of electrolyte technology. The electrolyte includes an organic solvent, a lithium salt, and an additive. The organic solvent includes cyclic carbonate. A content of the cyclic carbonate in the electrolyte is 8% to 24%. The additive includes an unsaturated inorganic additive. A content of the unsaturated inorganic additive in the electrolyte is 0.3% to 0.8%. Through optimizing composition of the electrolyte solvent and introducing the unsaturated inorganic additive, high temperature performance of the battery is improved while wettability of the electrolyte is improved.
Resumen de: EP4700896A1
Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte comprises a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2.
Resumen de: EP4700946A1
A battery cell (20) is disclosed, where the battery cell (20) includes: a housing (22), the housing (22) including a bottom wall (221), a top plate (223), and a plurality of side walls (222), where the side walls (222) connect the top plate (223) and the bottom wall (221), and the bottom wall (221), the plurality of side walls (222), and the top plate (223) form an accommodating space; a cell (21), disposed in the accommodating space; and a support plate (23), disposed in the accommodating space and is clamped between the side wall (222) and the cell (21).
Resumen de: EP4700870A1
A power storage device includes a plurality of bipolar electrodes, each of the plurality of bipolar electrodes including a first current collector foil and a second current collector foil overlapping each other, a conductive adhesive layer positioned between the first current collector foil and the second current collector foil and bonded to the first current collector foil and the second current collector foil, a first active material layer positioned on a surface of the first current collector foil, and a second active material layer positioned on a surface of the second current collector foil. The conductive adhesive layer includes an adhesive and a conductive auxiliary agent dispersed in the adhesive, the conductive auxiliary agent is a spherical particle having a spherical core and a conductive film covering the core, an addition ratio of the conductive auxiliary agent in the conductive adhesive layer is 0.1% by volume or more and 1.0% by volume or less, and a first value obtained by adding twice a standard deviation of a particle size of the conductive auxiliary agent to an average particle size of the conductive auxiliary agent is greater than or equal to a thickness of the conductive adhesive layer.
Resumen de: EP4700886A1
Disclosed is a coated sulfide-containing solid electrolyte material, as well as a solid electrolyte thereof, and a solid state battery containing a solid electrolyte thereof. According to aspects of the disclosure, the coating is formed on the surface of a sulfide-containing solid electrolyte material, and includes a compound having a thiol with a long hydrophobic tail, e.g., such as l-undecanethiol. The coating may provide protection from air and moisture, for instance, under ambient conditions.
Nº publicación: EP4700051A1 25/02/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4700051A1
The present application discloses a polymer and a preparation method therefor, a gel polymer electrolyte, a battery, and an electrical device. A general formula of the polymer is shown in formula (I),wherein m includes 0 and/or 1; n is a positive integer; X<sub>1</sub> and X<sub>2</sub> each independently include oxygen, sulfur or imino; X<sub>3</sub> includes any one of oxygen or sulfur; Y includes oxygen, sulfur, imino, -S-C<sub>1-8</sub> alkylene unsubstituted or substituted with any group, -NH-C<sub>1-8</sub> alkylene unsubstituted or substituted with any group, C<sub>1-8</sub> alkylene unsubstituted or substituted with any group, and C<sub>1-8</sub> alkoxylene unsubstituted or substituted with any group; R<sub>1</sub>, R<sub>2</sub>, R<sub>3</sub>, and R<sub>4</sub> each independently include any one of hydrogen, fluorine, C<sub>1-10</sub> alkyl unsubstituted or substituted with any group, and C<sub>1-10</sub> alkoxyl unsubstituted or substituted with any group; R<sub>5</sub> includes any one of C<sub>1-10</sub> alkyl unsubstituted or substituted with any group and formula (A)and R<sub>9</sub> includes C<sub>1-10</sub> alkyl unsubstituted or substituted with any group.
BOPI
Sede Electrónica
