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1333
resultados
Última actualización
25/04/2026 [08:39:00]
Resultados 350 a 375 de 1333
Resumen de: US20260112715A1
A battery management apparatus according to the present disclosure includes: an AC signal supply unit configured to supply an AC signal to a lithium-ion secondary battery; an impedance detection unit configured to detect a value of a real part of an AC impedance from the lithium-ion secondary battery to which the AC signal has been supplied; an expansion amount calculation unit configured to calculate an amount of expansion of a cell in the lithium-ion secondary battery based on a difference between the detected current value of the real part of the AC impedance and an initial value of the real part of the AC impedance; and a control unit configured to decrease an upper limit value of a state of charge of the lithium-ion secondary battery as the calculated amount of expansion increases.
Resumen de: US20260112686A1
Described herein is a viscoelastic inorganic glass solid electrolyte material, comprising: LixAlEyGzJm, or NaxAlEyGzJm, wherein E denotes one or more elements selected from the group consisting of boron (B), phosphorus (P), silicon (Si), lanthanum (La), or cerium (Ce), G is a chalcogen element, J is a halide element, and wherein 0
Resumen de: WO2026083303A1
A method (ICA) for fast charging a battery system comprising one or multiple cells arranged is series and in parallel, within a SOC range (ΔSOC) and a total charge time t(charge), comprising steps of applying a series of intermittent constant voltage plateaus (CVk, k=1, 2, 3... ) for a duration t(CVk) while monitoring the charge current I (C-rate) and the battery temperature Teell, allowing the current Ito go to zero (rest) for a short time duration t(rest) within the constant voltage plateau and measuring the open-circuit voltage during rest, noted as p-OCV or pOCV, between two successive rest times, within a same voltage plateau CVk, applying a voltage pulse for a duration t(pulse), repeating rests and voltage pulses sequences until the current reaches I(min), at Imin applying a voltage step ΔV between two successive voltage plateaus CVk and CVk+i. and measuring the current at the onset of ΔV application noted I(max).
Resumen de: WO2026085425A1
In one aspect, the present invention provides a binder composition for forming a green body. The binder composition comprises a monomer comprising a polymerizable moiety in an amount of from about 1 wt.% to about 98 wt.% based on the total weight of the binder composition, an initiator in an amount of from about 1 wt.% to about 10 wt.% based on the total weight of the binder composition, and a dispersant in an amount of from about 0.1 wt.% to about 35 wt.% based on the total weight of the binder composition. In another aspect, the present invention provides a curable slurry for forming a green body.
Resumen de: WO2026082841A1
The present invention pertains to a process for the manufacture of a hybrid organic/inorganic composite, to a polymer electrolyte membrane based on said hybrid and to uses of said electrolyte membrane in various applications, particularly in electrochemical applications.
Resumen de: DE102025143058A1
Ein Kraftfahrzeug beinhaltet eine Wärmepumpe mit einem Expansionsventil und eine Steuerung, die dazu konfiguriert ist, eine Position des Expansionsventils mindestens zum Teil auf Grundlage eines Überhitzungssolls zu steuern und Unterschiede zwischen einer erwarteten Position des Expansionsventils und einer gesteuerten Position des Expansionsventils zu nutzen, um einen Kältemittelstand der Wärmepumpe und/oder eine Restnutzungsdauer der Wärmepumpe zu schätzen. Die Steuerung ist optional dazu konfiguriert, eine Vielzahl von geschätzten Kältemittelständen während einer Steuerung des Wärmepumpensystems mit geschlossenem Regelkreis zu bestimmen und die Vielzahl von geschätzten Kältemittelständen zu nutzen, um eine Tendenz beim Kältemittelstand im Lauf der Zeit zu bestimmen.
Resumen de: US20260112641A1
0000 A safety coating and use thereof, an electrode sheet, and a lithium-ion battery are disclosed, which relates to the technical field of secondary battery materials. By limiting the particle size of the inorganic filler, a well-graded distribution of large and small particles is achieved, resulting in a relatively dense structure for the safety coating, thereby reducing the probability of contact between the positive electrode and the negative electrode, and enhancing the safety performance of the battery cell. Meanwhile, by optimizing the content of binder in the safety coating, the electrolytic solution absorption by the safety coating is promoted, which can improve the rate performance, low-temperature discharge performance, and cycling performance of the battery cell. Ultimately, by limiting the particle size of the inorganic filler and selecting the binder, the safety performance of the battery cell can be improved while enhancing its rate performance, low-temperature discharge performance, and cycling performance.
Resumen de: DE102025142517A1
Es wird eine Batteriesatz-Verbindungsanordnung (50) zum elektrischen Verbinden von Zellanschlüssen (24, 26) von Batteriezellen in einem Batteriesatz (10) bereitgestellt. Die Batteriesatz-Verbindungsanordnung umfasst eine Stromschienen-Verbindung (100) mit einer Vielzahl von Stromschienen (200), die in einer Matrix (202) mit mehreren Reihen (204) und mehreren Spalten (206) angeordnet sind, sowie einen Stromschienenträger (110), der die Stromschienen hält. Jede Stromschiene umfasst ein erstes Steckende (215) zum Verbinden mit dem entsprechenden Zellanschluss der entsprechenden Batteriezelle (20) und ein zweites Steckende (217) zum Verbinden mit dem benachbarten Zellanschluss der benachbarten entsprechenden Batteriezelle. Die Stromschienen verbinden die Batteriezellen im Batteriesatz elektrisch miteinander. Die Batteriesatz-Verbindungsanordnung umfasst einen Messkabelbaum (300) mit Messpunkten (302), die mit den Stromschienen verbunden sind. Der Messkabelbaum umfasst Stromschienen-Messkabel (310) und Verbindungskabel (350), die mit jedem der Stromschienen-Messkabel verbunden sind. Die Stromschienen-Messkabel sind flache, flexible Kabel mit einer Vielzahl von Messflachleitern (320). Die Verbindungskabel sind flache, flexible Kabel mit einer Vielzahl von Verbindungsflachleitern (360). Die Stromschienen-Messkabel erstrecken sich entlang der Spalten der Stromschienen, wobei die Messflachleiter elektrisch mit den entsprechenden Stromschienen in der entsprechenden Spalte an den ent
Resumen de: DE102025142068A1
Es wird ein Batteriemodul (100) offenbart. Das Batteriemodul (100) weist eine Mehrzahl von Batteriezellen (200), die in einer Richtung angeordnet sind, und eine Sensorbaugruppe (600) auf, die auf Flächen der Mehrzahl von Batteriezellen (200) angeordnet ist, um der Mehrzahl von Batteriezellen (200) zugewandt zu sein. Die Sensorbaugruppe (600) weist eine Sammelschiene (610), die elektrisch mit der Mehrzahl von Batteriezellen (200) verbunden ist, einen Sammelschienenrahmen (620), der die Sammelschiene (610) trägt, und ein Feuerlöschelement (700) auf, das in einem Bereich zwischen dem Sammelschienenrahmen (620) und den Batteriezellen (200) bereitgestellt ist und so eingerichtet ist, dass es in einer den Batteriezellen (200) zugewandten Richtung freiliegt.
Resumen de: DE102024137087A1
Es wird ein Verfahren zum Impedanzausgleichen für eine Überwachungsschaltung einer Batterie eines Fahrzeugs bereitgestellt. Das Verfahren umfasst ein Berechnen einer Mehrzahl von Leiterbahnwiderstandswerten für eine Mehrzahl von Leiterbahnen der Überwachungsschaltung, wobei die Überwachungsschaltung die Batterie elektrisch mit einer Zellenüberwachungseinheit verbindet, wobei die Batterie eine Mehrzahl von Zellen umfasst. Das Verfahren umfasst ferner ein Bestimmen eines größten Leiterbahnwiderstandswerts der Mehrzahl von Leiterbahnwiderstandswerten. Das Verfahren umfasst ferner ein Berechnen von Differenzen zwischen dem größten Leiterbahnwiderstandswert und jedem der Mehrzahl von Leiterbahnwiderstandswerten. Das Verfahren umfasst ferner ein Identifizieren einer Teilmenge der Mehrzahl von Leiterbahnen mit Leiterbahnwiderstandswerten mit einer Differenz, die größer als ein Schwellenwiderstand ist. Das Verfahren umfasst ferner ein Bewirken, dass ein Widerstand zu jeder der Teilmenge der Mehrzahl von Leiterbahnen mit Leiterbahnwiderstandswerten mit der Differenz, die größer als der Schwellenwiderstand ist, hinzugefügt wird.
Resumen de: WO2026082367A1
The invention relates to a method for producing a battery tray (2) for receiving an energy supply unit, in particular at least one lithium-ion battery module, for a mobile work machine, in particular an industrial truck, wherein the battery tray (2) is at least partly filled with a ballast material (3), the battery tray (2) has an outer shell (6) with an outer wall (5), and the ballast material (3) is filled into the battery tray (2) in a filling process. The ballast material (3) is sprayed with a composite material (15) during the filling process.
Resumen de: DE102024130467A1
Die Offenbarung betrifft ein Verfahren zum Herstellen eines Zellmoduls (1) aus einer Vielzahl an Batteriezellen, welche in einem rahmenartigen Zellträger aufgenommen sind und so einen Zellträgerverbund (10) bilden, sowie ein Zellmodul (1) mit einer Vielzahl an Batteriezellen, wobei das Zellmodul (1) mit dem offenbarungsgemäßen Verfahren hergestellt ist, und einen Batteriespeicher mit wenigstens einem offenbarungsgemäßen Zellmodul (1).
Resumen de: US20260112911A1
0000 A system for dissipating energy stored in a battery system includes a direct current (DC)-DC converter, an active front end (AFE), and a controller including one or more memories and one or more processors. The one or more processors are configured to determine a current state of charge (SOC) of the battery system; retrieve, from the one or more memories, the minimum energy value to be maintained in the battery system; compare the current SOC of the battery system with the minimum energy value; and dissipate the energy stored in the battery system if the current SOC is greater than the minimum energy value through the DC-DC converter, the AFE, both of the DC-DC converter and the AFE, and/or both of a first semiconductor device of the DC-DC converter and a second semiconductor device of the AFE.
Resumen de: US20260112782A1
A battery pack interconnect assembly for electrically connect cell terminals of battery cells in a battery pack includes a busbar interconnect with a busbar carrier holding a plurality of busbars each having first and second mating ends for mating with corresponding adjacent cell terminals. The battery pack interconnect assembly includes a sensing harness having sensing modules and sensing cables with sensing conductors coupled to the sensing modules. The sensing modules include sensing circuits electrically connected to the corresponding busbars at sensing points to sense a voltage of each of the corresponding busbars. The sensing cables span between the sensing modules with the sensing conductors electrically connected to the corresponding sensing circuits of the corresponding sensing modules. The sensing conductors of the sensing cables are electrically connected to a control module.
Resumen de: WO2026084380A1
The present invention relates to an electrolyte additive, a battery electrolyte containing same, and a secondary battery. According to the present invention, the electrolyte additive, the battery electrolyte containing same, a secondary battery comprising same, and the like can be provided, the electrolyte additive suppressing side reactions inside various lithium secondary batteries including high-nickel, Si anode, LFP, lithium manganese-rich (LMR) or cobalt-free batteries, so as to lower the internal resistance of a battery, and being capable of providing a secondary battery that has a low charging resistance so as to have improved charging efficiency and output and that can suppress, even if stored for a long time under high-temperature conditions, an increase in battery resistance and the generation of gas, thereby having excellent long-term life and high-temperature capacity retention.
Resumen de: US20260112779A1
0000 A separator for a cylindrical electrochemical device of the present disclosure includes: a porous polymer substrate; and a coating layer provided on at least one surface of the porous polymer substrate and including a polymer binder and inorganic particles. The polymer binder included in the coating layer includes an electrolyte-resistant polymer binder and a binding polymer binder, and the peeling strength of the separator is about 150 gf/cm or more.
Resumen de: US20260112747A1
0000 Provided are a secondary battery and a method of manufacturing the secondary battery. According to one aspect of the present disclosure, the secondary battery includes a can, an electrode assembly disposed inside the can, a rivet disposed on one surface of the can and electrically connected to a first electrode tab of the electrode assembly, and a cap plate disposed on a surface opposite to the one surface, fastened to the can to close an opening of the can, and electrically connected to a second electrode tab of the electrode assembly, wherein the cap plate includes a bonding region welded to the second electrode tab, the bonding region is provided with a metal layer on an inner surface facing the second electrode tab, and the metal layer is at least partially melted by welding heat applied to the bonding region and bonded to the second electrode tab.
Resumen de: US20260112799A1
A power storage cell includes: an electrode body including a first electrode and a second electrode; a first coupling member and a second coupling member each disposed at a position facing the electrode body; a first tab that electrically connects the first electrode to the first coupling member; and a foam layer. The foam layer is in contact with the first tab, to thereby support the first tab.
Resumen de: EP4729475A1
An iron phosphate material, a preparation method therefor and use thereof. The iron phosphate material is composed of secondary particles formed by agglomeration of primary particles, an equivalent particle size of the primary particles is 20 nm-600 nm, and a D50 of the secondary particles is 5 µm-20 µm. A hardness index of the iron phosphate material is ≤ 5; the hardness index=L¯Vp, wherein L is an average aspect ratio of the primary particles, which refers to a ratio of an average length of the longest axis to an average length of the shortest axis of the primary particles; and Vp is a specific pore volume of the iron phosphate material expressed in cm3/g. The iron phosphate material meeting the above features has a loose structure and lower overall hardness. When it is used for preparing cathode materials, it can improve the efficiency of grinding with the lithium source, and the wear on the equipment is reduced. The prepared cathode material has excellent electrochemical performance.
Resumen de: EP4730528A1
0001 A fire-resistant battery module and a battery assembly. The fire-resistant battery module comprises a plurality of cells (10) arranged at intervals, a fire-resistant partition structure (20), fire extinguishing microcapsules (30), and two fire-resistant plates (40) arranged side by side. The fire-resistant partition structure (20) is distributed in gaps of the plurality of cells (10), so as to block heat transfer between adjacent cells (10). The fire extinguishing microcapsules (30) are arranged at positive electrodes of the cells (10), so as to extinguish the fire on the positive electrodes of the cells (10). The plurality of cells (10), the fire-resistant partition structure (20) and the fire extinguishing microcapsules (30) are all located between the two fire-resistant plates (40). By the design of the three parts, a fire extinguishing and fire-resistant structure of the module is formed, improving the fire-resistant performance of the battery module, and meeting higher safety requirements.
Resumen de: EP4730518A2
0001 Disclosed is a battery module capable of preventing the movement of gas to an adjacent module, and more particularly a battery module capable of preventing the movement of gas to an adjacent module, the battery module including a module case (100) and a unit module (200), wherein the module case (100) is made of an insulative material, two or more unit modules (200) are received in the module case, the two or more unit modules (200) are located spaced apart from each other by a predetermined distance, and each of the unit modules (200) includes one or more battery cells (230) stacked in a vertical direction.
Resumen de: WO2024256441A1
The invention relates to a battery comprising: - at least one electrochemical accumulator (3) including an active portion and a shell enclosing the active portion; - a casing (2) housing the at least one accumulator (3); and - a heat-transfer fluid (5) contained in the casing (2), the shell (300) including a weakened zone configured to open under the effect of an overpressure in the accumulator (3) and to discharge gases produced by the active portion of the accumulator (3) that caused the overpressure. During the overpressure in the at least one accumulator (3), the heat-transfer fluid (5) comes into contact with the gases produced by the accumulator (3) so as to contain the gases and cool the accumulator.
Resumen de: WO2024256489A1
An electrolyte for an Na-ion battery, comprising hyaluronic acid and at least one ionic conductive compound comprising sodium.
Resumen de: EP4730425A1
Provided is an electrode base material comprising a resin base material and a particle layer comprising an active material particle and a solid electrolyte particle, an average circle-equivalent diameters of the active material particles and the solid electrolyte particles satisfy specific relationship, when, among the solid electrolyte particles, particles exceeding a specific size are defined as the first solid electrolyte particles, and particles equal to or less than a specific size are defined as the second solid electrolyte particles, the active material particles and the first solid electrolyte particles are arranged adjacently, and in cross-section observation of the particle layer, at least 80 number% of the second solid electrolyte particle is predominantly distributed on a side of the particle layer in contact with the resin base material or on a side opposite to the resin base material relative to a reference line.
Nº publicación: EP4729276A1 22/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
Resumen de: EP4729276A1
A sealing apparatus according to an embodiment of the present disclosure may seal an object. The sealing apparatus may include a first block including a first sealing surface and a second sealing surface formed along a direction facing away from the first sealing surface, and configured to seal a plurality of target surfaces of the object; and a second block that is driven toward the first block to bring the object into close contact with the first block. A first imaginary surface perpendicular to the first sealing surface and a second imaginary surface perpendicular to the second sealing surface may cross each other.
BOPI
Sede Electrónica
