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574
resultados
Última actualización
15/09/2026 [08:53:00]
Resultados 50 a 75 de 574
Resumen de: DE102025109073A1
Ein Kraftfahrzeug mit einer Karosserie (1), die eine Bodengruppe umfasst, in der eine Traktionsbatterie (4) aufgenommen ist, wobei unterhalb der Traktionsbatterie (4) eine Schutzstruktur (8), die eine Unterseite der Karosserie (1) ausbildet, angeordnet ist, und mit einer Detektionseinrichtung zur Ermittlung einer Krafteinwirkung auf die Traktionsbatterie (4) und/oder die Schutzstruktur (8) ist dadurch gekennzeichnet, dass die Detektionseinrichtung mindestens eine Messvorrichtung (12) umfasst, die ein erstes Kontaktelement (14) und zweites Kontaktelement (15) umfasst, wobei die Kontaktelemente (14, 15) in einem unbelasteten Zustand der Messvorrichtung (12) beabstandet voneinander angeordnet sind und wobei die mindestens eine Messvorrichtung (12) derart mit einer Auswertevorrichtung (13) der Detektionseinrichtung elektrisch verbunden ist, dass durch einen Kontakt der Kontaktelemente (14, 15) ein elektrischer Stromkreis geschlossen ist.
Resumen de: DE102025108876A1
Die Erfindung betrifft ein computerimplementiertes Verfahren (100) zum Bestimmen eines State of Health „SoH“-Zustands eines Hochvoltspeichers (10), aufweisend Schritte des Erhaltens einer ersten Schätzgröße(Da), welche auf wenigstens einem Parameter des Hochvoltspeichers (10) basiert; des Erhaltens wenigstens einer zweiten Schätzgröße(Db), welche auf wenigstens einem Parameter des Hochvoltspeichers (10) basiert; des Plausibilierens der erhaltenen Schätzgrößen (Da, Db, Dn) unter Verwendung eines vorbestimmten Plausibilisierungsalgorithmus; des Normalisierens der plausiblen Schätzgrößen (Da, Db, Dn); und des Verarbeitens der normalisierten Schätzgrößen (Da, Db, Dn).
Resumen de: WO2026185702A1
An EV battery charger capable of receiving AC power and delivering DC power to an electric power storage battery is adapted to operate with high-frequency isolation transformer on the DC side with one or two secondary coils and two DC outputs that can be used for lower voltage charging or higher voltage charging. A battery charger is also capable of bidirectional wireless power transfer between AC power supply and at least one EV battery.
Resumen de: WO2026184256A1
The present application belongs to the technical field of batteries, and provides a secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises an electrode assembly, an electrolyte and an aluminum-plastic film, wherein the electrolyte comprises a first monomer, the first monomer comprising at least one of anhydride monomers and isocyanate monomers; along the thickness direction, the aluminum-plastic film comprises an aluminum foil, a bonding layer and an inner film, which are sequentially arranged; the inner film is close to the electrode assembly and has a melting point of 100-160°C; and the bonding layer comprises a binder and a second monomer, the second monomer comprising at least one aziridine monomer. The present application can improve the stability of the secondary battery while maintaining the cycle performance thereof.
Resumen de: WO2026184285A1
A solid-state battery cell, a battery device, an electric device, a positive electrode, a two-phase positive electrode material and a preparation method therefor. The solid-state battery cell comprises a positive electrode, an electrolyte layer, and a negative electrode. The electrolyte layer is located between the positive electrode and the negative electrode. The positive electrode comprises a positive electrode film layer. The positive electrode film layer comprises a positive electrode active material and a sulfide electrolyte. The positive electrode active material comprises a two-phase positive electrode material. The two-phase positive electrode material is composed of a first-phase positive electrode material and a second-phase positive electrode material. The first-phase positive electrode material comprises one or more of crystalline lithium titanium sulfide, crystalline lithium niobium sulfide, crystalline lithium titanium niobium sulfide, amorphous (lithium) niobium sulfide, and amorphous (lithium) titanium niobium sulfide. The second-phase positive electrode material comprises a material having the composition LibMeS a, wherein Me represents a transition metal element with variable valence, and the valence state of the Me element is lower than the highest valence state thereof; and a=(valence state of the Me element+b)/2. The solid-state battery cell exhibits high energy density, good cycle performance, and good rate performance.
Resumen de: WO2026184257A1
The present invention relates to the technical field of solid-state batteries. Disclosed are a solid-state battery cell and a preparation method therefor, a solid-state battery and an electric device. The solid-state battery cell comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer attached to the surface of the positive electrode current collector, with the positive electrode film layer comprising a positive electrode active material and a sulfide solid-state electrolyte, at least part of the surface of which contains lithium fluoride. By adding the sulfide solid-state electrolyte, at least part of the surface of which contains lithium fluoride, to the positive electrode film layer, lithium fluoride is stable in wet air, can isolate at least part of the sulfide solid-state electrolyte from direct contact with air, thereby improving the air stability of the sulfide solid-state electrolyte, and can further separate at least part of the sulfide solid-state electrolyte from the positive electrode active material, thereby alleviating the problem of side reactions between the two, and further enabling the solid-state battery cell to have good long-cycle stability.
Resumen de: DE102025108872A1
Die vorliegende Offenbarung betrifft ein Heizsystem für ein Fahrzeug, umfassend:- einen Kältekreislauf (100, 200) mit wenigstens einem Kältemittelverdichter (110, 210), der eingerichtet ist, um ein Kältemittel im Kältekreislauf (100, 200) zu zirkulieren, wobei der Kältekreislauf (100, 200) einen Bypass (BP) für den wenigstens einen Kältemittelverdichter (110, 210) umfasst, so dass der Kältekreislauf (100, 200) in einem Kurzschlussbetriebsmodus betreibbar ist, um Wärmeenergie für wenigstens eine Heizanwendung zu erzeugen; und- eines oder mehrere Steuermodule, die eingerichtet sind, um den Kurzschlussbetriebsmodus des Kältekreislaufs (100, 200) einzustellen und den wenigstens einen Kältemittelverdichter (110, 210) mit elektrischer Vertrimmung zur Wirkungsgradreduktion zu betreiben, so dass aufgrund der elektrischen Vertrimmung vom wenigstens einen Kältemittelverdichter (110, 210) erzeugte Wärmeenergie an das Kältemittel abgegeben wird, um weitere Wärmeenergie für die wenigstens eine Heizanwendung bereitzustellen.
Resumen de: WO2026187078A1
The technical concept of the present invention provides a battery apparatus comprising: a base frame; a plurality of battery cells mounted on the base frame; and a cooling structure which at least partially covers each of the plurality of battery cells, separates the plurality of battery cells from each other, and has a cooling channel configured to allow cooling fluid to flow therein.
Resumen de: DE102025108670A1
Die Erfindung betrifft eine Rundzelle (1) für ein Batteriemodul (2) eines zumindest teilweise elektrisch angetriebenen Kraftfahrzeuges, aufweisend ein Gehäuse (3) mit einer zylindrischen Außenmantelfläche (4) und einem zentralen Durchgangsloch (5) zur Durchführung eines der Temperierung dienenden Fluids. Zudem betrifft die Erfindung ein Batteriemodul (2) mit einer Vielzahl an Rundzellen (1).
Resumen de: WO2026187154A1
A battery module, according to one embodiment of the present invention, comprises: a module case accommodating a plurality of battery cells therein and having a through-hole provided in one surface thereof; a cooling plate coupled to the one surface of the module case, having a flow path in which a refrigerant is accommodated, and configured to allow the refrigerant to be discharged into the through-hole upon occurrence of a thermal event of the battery cells; a sealing pad disposed between the module case and the cooling plate and sealing at least a portion of a space between the module case and the cooling plate; and a coupling part configured to bring the sealing pad into close contact with the module case and the cooling plate.
Resumen de: WO2026186516A1
A battery pack (1) comprises battery cells (11), a housing (20) that accommodates the battery cells (11), and a flange (40) that is provided to the housing (20). The flange (40) has a pipe (411).
Resumen de: WO2026186963A1
The present disclosure relates to a device and method for diagnosing a secondary battery. The device for diagnosing a battery may comprise a control device that detects a voltage and a capacity variation of a secondary battery during a plurality of consecutive charge/discharge cycles, and generates, for each of the plurality of charge/discharge cycles, a charge/discharge curve representing a relationship between the voltage and the capacity variation. Each of the plurality of charge/discharge cycles may include a charging period and a discharging period. The control device may determine, as a reference capacity, a capacity of the secondary battery at a start time or an end time of one of the charging period and the discharging period of a first charge/discharge cycle among the plurality of charge/discharge cycles, and obtain the capacity variation on the basis of the reference capacity.
Resumen de: WO2026183753A1
Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises an electrode assembly, a casing and current collecting components, the electrode assembly comprising tabs, and the casing being used for accommodating the electrode assembly. The casing comprises a first end wall, a second end wall and a side wall, the first end wall and the second end wall being respectively arranged at two ends of the side wall in a first direction, the side wall being arranged around the electrode assembly, and one of the first end wall and the side wall having an abutting portion. A current collecting component is arranged between the first end wall and the electrode assembly, and is electrically connected to the electrode assembly and the abutting portion. In the first direction, the side of each current collecting component facing the electrode assembly is provided with a first recess, and the tabs are at least partially accommodated in the first recesses. By providing the first recesses on the side of the current collecting components facing the electrode assembly, and at least partially accommodating the tabs in the first recesses, the electrode assembly can utilize the space in the thickness direction of the current collecting components, so as to improve the space utilization rate of the battery cell, thus helping to increase the energy density of the battery cell.
Resumen de: WO2026183736A1
A secondary battery and an electronic apparatus. The secondary battery comprises a housing, an electrode assembly, a first bonding member, and a plurality of bonding portions. A first electrode sheet of the electrode assembly comprises a first active material layer, a first current collector, and a second active material layer. The first current collector comprises a first surface facing a winding central axis and a second surface opposite the first surface, and the first active material layer and the second active material layer are respectively provided on the first surface and the second surface. The first electrode sheet of an outermost turn comprises a first region and a first ending region which are sequentially connected in a winding direction. The first ending region is not provided with the first active material layer and the second active material layer, and comprises a first edge and a second edge arranged opposite to each other in the winding direction. The plurality of bonding portions are bonded to the second surface located in the first ending region, and are also bonded to a surface of the housing facing the electrode assembly. The first bonding member bonds to the second surface located in the first ending region, and extends beyond the second edge and bonds to the second surface located in the first region.
Resumen de: WO2026184217A1
The present invention relates to the field of carbon materials. Disclosed are a carbon material, a preparation method therefor, the use thereof, and a sodium ion battery. The carbon material has a fluffy surface layer formed by aggregation of fibrous structures, wherein the interlayer spacing d002 of aromatic layers of the carbon material is 0.37-0.42 nm, and d002 is calculated by means of Bragg's equation, d002=0.15406/(2sinθ(002)), where θ(002) is a Bragg angle corresponding to a (002) peak. The carbon material can optimize electrode material-electrolyte interface interaction, exhibits excellent overall performance, and has an initial specific discharge capacity as high as 320-450 mAh/g at the current density of 0.1 C and an initial coulombic efficiency of 87% or more.
Resumen de: WO2026184269A1
The present application relates to a battery cell, a battery device, and an electric device. A negative electrode active material of the battery cell comprises natural graphite having a particle size Dv50 of 5-25 μm; a conductive agent used for a negative electrode sheet includes a linear conductive agent; and the linear conductive agent has an average length of greater than or equal to 1 μm, and a length-to-diameter ratio of 500-20,000. The combined use of the natural graphite and the linear conductive agent having a certain length and length-to-diameter ratio significantly improves the low-temperature performance of a battery.
Resumen de: WO2026185116A1
The present invention relates to a method for estimating the state of charge of an energy storage device on a submarine (10) having an on-board electrical system (40), wherein the string battery management system (24) has a protocol, wherein the protocol provides for an increase in the open-circuit voltage in accordance with the current-voltage characteristic curve, wherein the increase in voltage is selected depending on the remaining capacity, and wherein the lower the remaining capacity, the greater the increase in voltage.
Resumen de: WO2026187062A1
A battery device according to embodiments may comprise: a plurality of battery cells; a plurality of bus bars electrically connected to the plurality of battery cells; a housing for accommodating the plurality of battery cells; a cooling unit disposed on at least one side of the plurality of battery cells and configured to cool the plurality of battery cells; and a heat transfer member for transferring, to the cooling unit, heat generated from the plurality of bus bars. At least one of the plurality of bus bars includes: a body portion connected to at least one lead tab of the plurality of battery cells; and a heat dissipation portion disposed on at least one side of the body portion and having a plurality of protrusions formed thereon, and the heat transfer member may be in contact with the heat dissipation portion.
Resumen de: WO2026187091A1
A bipolar secondary battery assembly according to the disclosure of the present invention may include: a plurality of bipolar secondary batteries stacked on one another to be electrically connected to each other, and including a bipolar stack cell having a plurality of bipolar unit cells stacked therein, each bipolar unit cell having a positive electrode layer formed on one surface of an electrode plate and a negative electrode layer formed on the other surface of the electrode plate; and a cooling unit, at least a portion of which is disposed at a longitudinal end of the plurality of bipolar secondary batteries, so as to cool the plurality of bipolar secondary batteries.
Resumen de: US20260269343A1
An assembly of a micromobility device can include a housing. The housing can include an exterior surface defining at least one aperture. The assembly can include one or more battery cells. The one or more battery cells can power the micromobility device. The assembly can include a display assembly. The assembly can include a battery pack assembly. The housing can receive the battery pack assembly and the display assembly. The display assembly can be disposed interior to the exterior surface of the housing such that a display device aligns with the at least one aperture. The display device can present a status of the one or more battery cells based on a power level of the one or more battery cells. The display device can maintain presentation of the status of the one or more battery cells while requiring substantially no power to maintain the presentation of the status.
Resumen de: WO2026186981A1
The present invention relates to a secondary battery manufacturing apparatus, and more specifically, comprises: a chamber part, the chamber part comprising an upper chamber and a lower chamber; a fixing die disposed inside the lower chamber, the fixing die being configured to seat a battery cell comprising a plurality of electrode tabs; a welding member disposed inside the upper chamber, the welding member being configured to weld the plurality of electrode tabs; and a cutting member disposed inside the lower chamber, the cutting member being configured to cut the plurality of electrode tabs, wherein the welding member may be configured to be positioned above the fixing die, and the cutting member may be configured to be positioned below the fixing die.
Resumen de: WO2026186998A1
A battery cell including an insulator, and a battery pack and a vehicle including the battery cell, and a method of manufacturing the insulator are disclosed. The battery cell including the insulator, and the battery pack and the vehicle including the battery cell, and the method of manufacturing the insulator, according to one embodiment of the present invention, comprise: an electrode assembly including a cathode plate, an anode plate and a separator interposed between the cathode plate and the anode plate; a battery can in which the electrode assembly is accommodated; a cathode current collector plate electrically connected to the cathode plate; a cell terminal connected to the cathode current collector plate; and an insulator interposed between the battery can and the cathode current collector plate, wherein the insulator has an electrolyte discharge unit through which an electrolyte can be discharged.
Resumen de: WO2026186950A1
The present invention proposes a battery core temperature prediction method and system based on a deep learning algorithm. The battery core temperature prediction system based on a deep learning algorithm, proposed in the present invention, comprises: a data collection unit for collecting real-time battery surface temperature data; a pre-processing unit for constructing a time-series training data set by using the correlation between the collected battery surface temperature data and core temperature data estimated on the basis of an equivalent thermal circuit; a learning unit for learning the time-series training data via a deep learning algorithm; and a prediction unit for predicting the temperature of a battery core on the basis of learning data derived from the learning unit and the real-time battery surface temperature data.
Resumen de: WO2026183651A1
The present application provides a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; the separator is provided between the positive electrode sheet and the negative electrode sheet; the separator comprises a substrate and a first coating provided on at least one surface of the substrate; the first coating comprises a first polymer; and the first polymer comprises a fluorine-containing polymer. The electrolyte comprises a compound of formula (I); and on the basis of the mass of the electrolyte, the mass percentage of the compound of formula (I) is W1％, wherein 0.01≤W1≤0.5. By means of the described configurations, the adhesion between the separator and electrode sheets can be improved, thereby mitigating deformation of the secondary battery.
Nº publicación: DE102025108360A1 10/09/2026
Solicitante:
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft
Resumen de: DE102025108360A1
Verfahren zur Herstellung eines Hochvoltspeichers, insbesondere für ein Kraftfahrzeug, umfassend ein Zellkontaktiersystem (2), das eine Vielzahl von Zellverbünden (3-8) des Hochvoltspeichers, umfassend jeweils wenigstens zwei Energiespeicherzellen (9), miteinander verbindet, wobei die Zellverbünde (3-8) mit einer Verbindungseinrichtung (16) für eine Verbindung mit einer Steuerungseinrichtung verbunden sind, wobei die Zellverbünde (3-8) mit jeweils wenigstens einem einzelnen Draht (10-15) mit der Verbindungseinrichtung (16) verbunden werden.
BOPI
Sede Electrónica
