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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 1150 a 1168 de 1168
Resumen de: US20260331727A1
0000 A circuit protection component connects a first electrode to a first connection surface, and connects a second electrode to a second connection surface. In the first electrical connection unit, a first through hole is provided with a hole diameter less than an interval between first and second electrical connection units in the arrangement direction. In the second electrical connection unit, a second through hole is provided with a hole diameter less than an interval between the first and second electrical connection units. A pair of coating holding units holds a coating resin unit, and is disposed on an imaginary line in the arrangement direction in which the first through hole, the first connection surface, the second connection surface, and the second through hole are arranged.
Resumen de: DE102025115417A1
Die Erfindung betrifft ein Verfahren zum Impedanzheizen einer Hochvolt-Batterie (2), die in einem Hochvolt-System (1) angeordnet ist, welches ferner einen isolierenden, bidirektionalen DC/DC-Wandler (3) mit einer Primärseite (P) und einer Sekundärseite (S) mit zwei Potentialen (S+, S-) aufweist, wobei die Hochvolt-Batterie (2) zwei Teilbatterien (2.1, 2.2) mit je einer positiven Klemme und einer negativen Klemme aufweist, wobei die positiven Klemmen oder die negativen Klemmen beider Teilbatterien (2.1, 2.2) direkt miteinander verbunden sind oder werden, wobei die jeweils anderen Klemmen beider Teilbatterien (2.1, 2.2) über die Sekundärseite (S) des DC/DC-Wandlers (3) miteinander verbunden werden, wobei mittels des DC/DC-Wandlers (3) eine Ausgangsspannung (Uout) auf der Sekundärseite (S) erzeugt wird, die mindestens einer Spannungsdifferenz beider Teilbatterien (2.1, 2.2) entspricht.
Resumen de: WO2026218721A1
A solid-state battery and an electric device. The solid-state battery comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector, a first positive electrode active layer and a second positive electrode active layer, where the first positive electrode active layer is located on one side of the positive electrode current collector, the second positive electrode active layer is located on the side of the first positive electrode active layer away from the positive electrode current collector, the first positive electrode active layer comprises a first binder, the second positive electrode active layer comprises a second binder, the ionic conductivity of the second binder is greater than that of the first binder, and the sum of the thickness d1 of the first positive electrode active layer and the thickness d2 of the second positive electrode active layer is greater than or equal to 100 μm. The solid-state battery has high energy density and good cycle performance.
Resumen de: DE102025115132A1
Die vorliegende Erfindung beschreibt eine Batterie (100) umfassend eine erste Kavität (101), in der Module der Batterie angeordnet sind, eine zweite Kavität (102), die von der ersten Kavität (101) durch eine gemeinsame Wand getrennt ist, und einen Dichtprüfanschluss (103), der derart gestaltet ist, dass er eine simultane Dichtigkeitsprüfung beider Kavitäten (101 und 102) ermöglicht. Die Erfindung umfasst neben der Batterie (100) ein Verfahren zur Dichtigkeitsprüfung und ein Kraftfahrzeug mit einer Batterie (100).
Resumen de: WO2026218226A1
The present application relates to a battery apparatus and an electrical apparatus. The battery apparatus comprises: a box body, a battery chamber being provided in the box body, the battery chamber comprising a first battery chamber and a second battery chamber, and a partition structure being provided between the first battery chamber and the second battery chamber; a first battery pack, disposed in the first battery chamber, the first battery pack comprising a plurality of first battery cells; and a second battery pack, disposed in the second battery chamber, the second battery pack comprising a plurality of second battery cells. The partition structure can block at least some of emissions released by at least one of the first battery cells and the second battery cells in a case of thermal runaway. The battery apparatus provided in the embodiments of the present application effectively improves reliability.
Resumen de: WO2026218117A1
The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a casing, electrode terminals, an electrode assembly, and adapters. The casing comprises a first wall; the first wall comprises first portions and a second portion; first recesses are formed on the inner sides of the first portions; and the first recesses are recessed with respect to the inner side surface of the second portion. The electrode terminals are provided on the second portion. The electrode assembly is at least partially accommodated in the casing, and comprises an electrode body and tabs led out from the electrode body. The adapters each comprise a first adapter portion and a second adapter portion that are connected to each other; the first adapter portion is at least partially accommodated in the corresponding first recess and is electrically connected to the corresponding tab; and the second adapter portion is at least partially arranged between the second portion and the electrode body and is electrically connected to the corresponding electrode terminal. The first adapter portion comprises a thickened portion; the minimum thickness of the thickened portion is greater than the maximum thickness of the second adapter portion; and the thickened portion is at least partially accommodated in the corresponding first recess.
Resumen de: WO2026218715A1
The present disclosure relates to the technical field of batteries. Provided are a battery apparatus and an electric device. The battery apparatus comprises a case, at least two battery cells, and a heat exchange assembly. The case has a top cover. The at least two battery cells are located within the case. The heat exchange assembly is disposed on the top side of the at least two battery cells. The heat exchange assembly comprises at least two heat exchange members; at least one heat exchange member is configured as a flexible member, and at least one heat exchange member is configured as a rigid member; the flexible member and the rigid member are stacked to form a medium flow channel, the medium flow channel is adapted for flow-through of a heat exchange medium, the heat exchange medium being used for exchanging heat with the at least two battery cells. The heat exchange assembly is integrated into the top cover. By integrating the heat exchange assembly into the top cover, the heat exchange assembly being connected to the top cover or the heat exchange assembly being part of the top cover, the top cover can provide support for the heat exchange assembly, helping improve the overall structural strength and stability of the battery apparatus.
Resumen de: WO2026220808A1
This information processing device executes a molecular dynamics simulation capable of modeling chemical reactions in an atomic model representing the states of a plurality of atoms present on the surface of a solid material, uses a result of executing the molecular dynamics simulation as a basis for calculating a formation speed of one or more chemical species formed from the atomic model as a result of a chemical reaction, and outputs formation speed information indicating the calculated formation speed.
Resumen de: US20260326571A1
A method for controlling a structural battery for an electric vehicle according to an embodiment representing a method for controlling a center floor structural battery configured with structural battery modules applied to a vehicle includes: charging the respective structural battery modules; monitoring whether the respective structural battery modules are damaged; independently controlling charging and discharging of the respective structural battery modules depending on whether the respective structural battery modules are damaged; supplying electric power of the respective structural battery modules to a load device of the vehicle; monitoring whether the load device is damaged; and blocking a current flow to the respective structural battery modules when the load device is damaged.
Resumen de: WO2026221057A1
The present invention prevents the current between a power generation element and a conductor disposed in the lamination direction of the power generation element from being stopped. An all-solid-state battery 1 has: a power generation element 20 in which a positive electrode layer 21, a negative electrode layer 22, and an electrolyte layer 23 are laminated; a conductor 50 electrically connected to the power generation element 20; and a case 60 that accommodates the power generation element 20 and the conductor 50. The case 60 has a fixing part 615 to which the conductor 50 is fixed. The conductor 50 has: a plate-like planar part 51 which is positioned in the lamination direction with respect to the power generation element 20 and at least a portion of which is in contact with the power generation element 20; and a plurality of locking parts 52 which extend in the lamination direction along and outside the power generation element 20 from an outer peripheral part of the planar part 51 and are fixed to the fixing part 615 of the case 60. The planar part 51 has, on at least one surface in the thickness direction, a groove part 54 of which at least a portion extends in the arrangement direction of one pair of locking parts 52 among the plurality of locking parts 52.
Resumen de: WO2026218163A1
The present invention relates to the technical field of batteries. Specifically disclosed are a solid-state electrolyte having a graded structure, a secondary battery, and a preparation method therefor. The mechanical strength of the solid-state electrolyte successively increases from a positive electrode side to a negative electrode side, thereby forming a gradient Young's modulus distribution having a graded structure; and a raw material for preparing the solid-state electrolyte is a solid-state polymer precursor solution, comprising a polymer monomer, an electrolyte lithium salt, an ionic liquid crosslinking agent, and an initiator. By virtue of the excellent flexibility on the positive electrode side, the mechanical stress caused by volume changes is buffered, to a certain extent, thereby improving the coulombic efficiency and cycling stability of the battery; and by virtue of the high mechanical strength on the negative electrode side, the generation of lithium dendrites is suppressed, thereby preventing short circuits of the battery during cycling. In-situ polymerization enables the electrolyte to have good interfacial compatibility with positive and negative electrodes, promotes close contact of interfaces, and avoids formation of interfacial pores and point contacts. A graded gradient distribution of the proportion of the ionic liquid crosslinking agent is achieved by means of electric field driving, thereby improving the ionic conductivity of the electrolyte.
Resumen de: WO2026218718A1
A battery cell, a battery device, an electric device, and a method for preparing a battery cell. The battery cell comprises a negative electrode sheet, wherein the negative electrode sheet comprises a current collector and a negative electrode active material layer which are stacked; the negative electrode active material layer comprises negative electrode active material particles and a first electrically conductive agent; the negative electrode active material particles comprise graphite particles; the first electrically conductive agent comprises first carbon nanotubes distributed among the graphite particles and second carbon nanotubes distributed on the surfaces of the graphite particles; the tortuosity δb of the first carbon nanotubes is 0-0.3; and the tortuosity δb is defined as δb=(L1-h1)/L1, where L1 is the length of the first carbon nanotube having two ends respectively connected to two graphite particles, and h1 is the straight-line distance between the two ends of the first carbon nanotube respectively connected to the two graphite particles. Thus, the rebound rate of the negative electrode plate and the expansion force of the battery cell can be reduced, so as to improve the cycle performance of the battery cell.
Resumen de: WO2026221459A1
The present specification provides a positive electrode active material, a method for preparing same, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising a lithium iron phosphate-based compound, wherein a value calculated using mathematical expression |Dx-(D10+D50)/2| is 0.06-0.5 inclusive. In the mathematical expression, Dx is the average particle size (unit: μm) of the lithium iron phosphate-based compound measured from a scanning electron microscope image, D10 is the particle size (unit: μm) of the lithium iron phosphate-based compound at which the cumulative volume ratio is 10% in the volume-based cumulative particle size distribution curve obtained by laser diffraction particle size distribution measurement, and D50 is the particle size (unit: μm) of the lithium iron phosphate-based compound at which the cumulative volume ratio is 50% in the volume-based cumulative particle size distribution curve obtained by laser diffraction particle size distribution measurement.
Resumen de: WO2026221397A1
A device and method for estimating the temperature of a battery according to an embodiment and an experimental example of the present invention may: measure a voltage variation according to a current variation for any one target battery among batteries at one or more reference time points during a charging process of a battery assembly; generate a temperature estimation model by reflecting, to an initial temperature estimation model, the voltage variation measured at the reference time point according to the current variation for the target battery; correct the temperature estimation model by reflecting a pre-stored correction ratio to the temperature estimation model; and estimate the temperature of the target battery by using the corrected temperature estimation model.
Resumen de: WO2026221350A1
The present invention may provide a battery cell comprising: a battery can; an electrode assembly accommodated through an opening of the battery can and having a first electrode, a second electrode, and a separator interposed therebetween, which are wound around a winding axis; and a venting part having a shape recessed to a predetermined depth so as to be ruptured by a predetermined pressure, wherein a filling member is disposed along the recessed shape of the venting part and is at least partially filled within the range of a recessed depth.
Resumen de: WO2026218792A1
A sulfide solid-state electrolyte and a preparation method therefor, a battery, and an electric device, relating to the field of batteries. The sulfide solid-state electrolyte comprises halogen. In a crystal structure of the sulfide solid-state electrolyte, the proportion of halogen atoms occupying a Wyckoff 4d site relative to the total number of halogen atoms in the sulfide electrolyte is 0.20 to 0.40. In the present application, the proportion of the halogen atoms occupying the Wyckoff 4d site in the sulfide solid-state electrolyte relative to the total number of the halogen atoms in the sulfide electrolyte is controlled to be greater than or equal to 0.2 and less than or equal to 0.4, thereby improving the ionic conductivity of the sulfide solid-state electrolyte.
Resumen de: WO2026219265A1
The present application provides a battery, a battery pack, and an electric device. The battery comprises a heat-absorbing assembly and battery cell groups arranged on at least one side of the heat-absorbing assembly. Each battery cell group comprises battery cells. The heat-absorbing assembly comprises a heat-absorbing composite material and a housing provided outside the heat-absorbing composite material; and the heat-absorbing composite material comprises a support layer and a heat-absorbing material provided on the support layer.
Nº publicación: DE102025114930A1 22/10/2026
Solicitante:
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft
Resumen de: DE102025114930A1
Eine Batteriezelle weist einen Pluspol und einen Minuspol sowie eine Dichtung auf, welche in einem Zwischenraum zwischen dem Pluspol und dem Minuspol angeordnet ist und diese gegeneinander elektrisch isoliert. In dem Zwischenraum in einem Bereich ohne die Dichtung ist eine Auflageeinrichtung angeordnet, deren Höhe keiner ist als ein Abstand des Pluspols und des Minuspols. Die Auflageeinrichtung ist derart dimensioniert und eingerichtet, dass der Pluspol und der Minuspol in einem Fehlerfall, in welchem es durch eine Beschädigung der Dichtung zu einem Annähern des Pluspols und des Minuspols kommt, aufeinander aufliegen, sodass mittels der Auflageeinrichtung ein elektrisch leitender Kontakt zwischen dem Pluspol und dem Minuspol hergestellt wird.
BOPI
Sede Electrónica
