Resumen de: US20260081267A1
A battery of the present disclosure includes: an electrode body including a solid electrolyte; a case housing the electrode body; and a resin body provided in gaps between the case and end surfaces of the electrode body. The resin body includes a first layer laminated on the end surfaces of the electrode body and a second layer laminated on the first layer. A resin component of the first layer is a resin having a hydroxy group that is less than 100 ppm. The second layer is a layer that electrically insulates the electrode body and the case.
Resumen de: US20260081256A1
A coolant manifold is connectable to a cooling system of an electrical energy storage pack. The coolant manifold has a coolant channel with a main channel and a set of distribution channels fluidly connected with the main channel and configured to be fluidly connected with the cooling system. A container holds the coolant channel. The container has a base to hold the main channel, and a set of extensions from the base to hold the distribution channels of the coolant channel. The extensions each have an end opening opposite from the base. A lid covers an opening of at least the base of the container. A set of end caps seals the end openings of the extensions of the container, and to partly overlap with the lid, and a sealant that at least partly fills a space inside the container.
Resumen de: US20260081255A1
A traction battery which can be temperature-controlled by means of a fluid includes a battery housing, at least one battery module which is arranged in the interior of the battery housing and has at least one battery cell, at least one heat sink which is arranged inside the battery housing and includes at least one metal, wherein the heat sink is in direct or indirect contact with the at least one battery module and wherein the heat sink has at least one cooling fluid connection point and at least one internally arranged cooling fluid channel fluidically connected to the cooling fluid connection point.
Resumen de: US20260081257A1
A battery pack thermal management system includes an outer conduit of a coolant conveying post, and an inner conduit of the coolant conveying post. The inner conduit disposed within the outer conduit. The coolant conveying post is configured to communicate coolant in a first direction through the outer conduit and outside of the inner conduit. The coolant conveying post is configured to communicate coolant in an opposite, second direction through the inner conduit.
Resumen de: US20260081264A1
The disclosure provides a cylindrical battery, a pack, and an electronic device. The cylindrical battery includes a housing having an opening at one end in a height direction of the cylindrical battery; an electrode assembly located in the housing and having a winding center hole; a cover plate covering the opening of the housing and having an explosion-proof valve region formed by being surrounded by explosion-proof valves. The winding center hole is located within a range of an orthogonal projection of the explosion-proof valve region of the cover plate in the height direction. The winding center hole has a diameter D1, a partial region of the cover plate has a diameter D2, and 35%≥D1/D2≥10%.
Resumen de: US20260081261A1
A battery pack may include a base plate, a plurality of battery cell assemblies on the base plate, a center beam between the plurality of battery cell assemblies, and a fire-resistant layer configured to be applied to the center beam. In addition, the fire-resistant layer may include a foamable refractory material.
Resumen de: US20260081170A1
A sulfur-carbon composite of the present disclosure includes a crosslinked block copolymer, and the crosslinked block copolymer is manufactured from a block copolymer comprising a first block including a first repeating unit having a pyrene group at a terminal and a second block including a second repeating unit having a cationic functional group. As the crosslinked block copolymer is coated on the sulfur-carbon composite, it may be possible to prevent migration of lithium polysulfide leaking from a positive electrode of a lithium-sulfur battery to a negative electrode. Accordingly, it may be possible to prevent sulfur particle accumulation on lithium metal surface of the negative electrode, thereby maintaining charge/discharge capacity of the lithium-sulfur battery and improving battery life.
Resumen de: US20260081175A1
A lithium secondary battery structure having a first electrode including a first conductive current collector having an active material layer formed on at least one surface; a second electrode including a second conductive current collector having an active material layer formed on at least one surface; and a plurality of battery units including a separator formed between active material layers of the first and second electrodes facing each other is provided. The first or second conductive current collector is a metal current collector, or a composite conductive current collector having a metal layer formed on a polymer substrate for each battery unit. The metal current collector to composite conductive current collector ratio within the total battery structure is in a range of 5:1 to 1:5.
Resumen de: US20260081180A1
The current collector includes: a first layer that includes Al; a second layer that is disposed on the first layer and includes a metal element M, the metal element M having an oxidation-reduction potential based on Li of 2.3V or more and not being an amphoteric element; and a third layer that is disposed on the second layer and includes a resin.
Resumen de: US20260081174A1
A secondary battery, a preparation method, and an electric device. The secondary battery includes a positive electrode plate, a separator, a negative electrode plate and an electrolyte, where the negative electrode plate includes a lithium metal sheet and a modification layer disposed on at least one surface of the lithium metal sheet, and the modification layer includes phosphate and lithium metal alloy. The surface of the lithium metal sheet is provided with the modification layer which can effectively conduct lithium ions, and the lithium metal alloy is able to achieve uniform deposition of lithium ions, prevent the growth of lithium dendrites, and improve the electrochemical and safety performance of the battery.
Resumen de: US20260081176A1
The present disclosure relates to an electrode assembly, a secondary battery, and a method for manufacturing the electrode assembly. The electrode assembly according to an embodiment of the present disclosure may include a first electrode, a second electrode, and a separator positioned between the first electrode or the second electrode. At least one of the first electrode and the second electrode may include an insulating layer, a first conductive layer, and a second conductive layer, where the first conductive layer and the second conductive layer are respectively positioned on opposite surfaces of the insulating layer, and one end of each of the first conductive layer and the second conductive layer may extend beyond the insulating layer in a longitudinal direction.
Resumen de: US20260081273A1
A secondary battery includes: an electrode assembly including a positive electrode tab; and a case surrounding around the electrode assembly, and including: an accommodation portion accommodating the electrode assembly; a positive electrode terminal protruding from the accommodation portion in a first direction, and electrically connected to the positive electrode tab; and an upper flange extending from the accommodation portion in the first direction. A shortest length of the upper flange extending from the accommodation portion in the first direction is less than a length of the positive electrode terminal protruding from the accommodation portion in the first direction.
Resumen de: US20260081251A1
The present disclosure provides a thermal management device, a battery module, and an electric equipment. The thermal management device includes a thermal conductor configured to be in contact with a battery; and a heater including a heat generating portion embedded in the thermal conductor.
Resumen de: US20260081276A1
An in-vehicle battery installation structure includes: a battery stack configured with multiple rectangular batteries stacked in a thickness direction of the rectangular batteries; a lower case that has an opening in an upper face; an upper case which is mounted on an upper part of the lower case so as to close the opening and of which a lower face is open; fastening members that fasten the lower case and the upper case together such that a force in the thickness direction is exerted from the lower case and the upper case onto the battery stack; and a cross-member which is a part of a vehicle body framework member supporting the lower case and the upper case and extends in a vehicle-width direction, and of which a lower face exerts a force in the thickness direction onto an upper face of the upper case.
Resumen de: US20260081287A1
A battery pack includes: a plurality of battery modules each including a plurality of battery cells arranged in a first direction; and a case that accommodates the plurality of battery modules, wherein the case includes a case main body having a bottom portion and a side wall portion that surrounds a periphery of the bottom portion, a cover body that covers an opening of the case main body, and a partition plate that partitions a battery module disposed on the bottom portion side and a battery module disposed on the cover body side, and by fixing the partition plate to the side wall portion, one battery module is disposed between the partition plate and the bottom portion, and another battery module is disposed between the partition plate and the cover body.
Resumen de: US20260081279A1
A battery pack includes: a first battery module and a second battery module that are stacked together; and a cooling plate disposed between the first battery module and the second battery module. Each of the first battery module and the second battery module includes a cell stack that is a plurality of battery cells stacked together, and a frame having a frame shape and surrounding the periphery of the cell stack. The frame of the first battery module has a protrusion protruding toward the second battery module. The frame of the second battery module has a recess that receives the protrusion of the first battery module. The cooling plate has a hole or a notch through which the protrusion passes.
Resumen de: DE102025135543A1
Eine Batterie 1 einer Ausführungsform enthält eine Elektrodengruppe 2, eine Zuleitung 17, eine Nut 23 und eine konkave Struktur 30, wobei die Elektrodengruppe 2 ein Stromsammelbündel 12 umfasst, das in einer Längsrichtung L1, L2 zu einer Seite hin vorsteht. Die Zuleitung 17 ist mit dem Stromsammelbündel 12 verbunden, indem sie in einer Dickenrichtung C1, C2 der Elektrodengruppe 2, die die Längsrichtung L1, L2 kreuzt, von einer Seite auf das Stromsammelbündel 12 gestapelt ist. Die Nut 23 ist in einem Verbindungsbereich zwischen der Zuleitung 17 und dem Stromsammelbündel 12 in einer Dicke C1, C2 in Richtung einer Seite, an der sich die Zuleitung 17 befindet, zu einem Nutgrund 26 vertieft. Die konkave Struktur 30 umfasst einen oder mehrere konkave Abschnitte 33, die jeweils von dem Nutgrund 26 in Richtung der Seite, an der sich die Zuleitung 17 befindet, weiter vertieft sind, und der Nutgrund 26 grenzt an die konkave Struktur 30 von einer Seite, die einer vorstehenden Seite des Stromsammelbündels 12 in Längsrichtung L1, L2 entgegegngesetzt ist, an.
Resumen de: WO2026056714A1
Provided in the present application are a composite-coated positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium-ion battery and an electric device. The composite-coated positive electrode material comprises an inner core, a first coating layer that coats at least part of the surface of the inner core, and a second coating layer that coats at least part of the surface of the first coating layer, wherein the inner core comprises a lithium nickel manganese oxide; the first coating layer comprises a first coating material, the first coating material comprises one or more of nickel phosphate, manganese phosphate, lithium phosphate, lithium nickel phosphate and lithium manganese phosphate, the first coating material further comprises aluminum, and at least some aluminum atoms occupy nickel sites and/or manganese sites in the crystal structure of the lithium nickel manganese oxide; and the second coating layer comprises a second coating material, and the second coating material comprises lithium phosphate and at least one of lithium metaaluminate and aluminum oxide. The prepared positive electrode material has relatively high capacity and good cycle performance.
Resumen de: WO2026056237A1
Provided in the present disclosure is a battery. The battery comprises: an electrolyte, and a battery component in contact with the electrolyte; at least the surface of the battery component in contact with the electrolyte comprises a stainless steel layer, the electrolyte at least comprises a compound represented by formula 1, and the compound represented by formula 1 is: Formula 1.
Resumen de: WO2026056082A1
A positive electrode material and a preparation method therefor, a positive electrode slurry, a positive electrode sheet, and a lithium ion battery and a preparation method therefor. The positive electrode material is applied to a battery; the battery comprises an electrolyte; the electrolyte comprises lithium hexafluorophosphate and an organic solvent; the positive electrode material comprises a positive electrode active material and lithium carbonate; the lithium carbonate is coated on the surface of the positive electrode active material; and the mass ratio of the positive electrode active material to the lithium carbonate is 1:(0.001-0.03).
Resumen de: WO2026060156A1
An energy storage/battery system is disclosed. The system can include a multi-voltage configurable module (MVCM) and a multi-voltage configurable backplane (MVCB) that form the system. The system can be dynamically controlled to bring MVCMs on or offline to deliver power and capacity to a device. The MVCM can include a main housing with first cavities extending through the main housing to receive battery cells and second cavities in which printed circuit boards can be positioned to support the battery cells. The MVCB can include separable main housing sections.
Resumen de: WO2026060235A1
A method of selecting a battcry-pack identifier (ID) includes (a) assigning a first ID to a first battery pack; (b) monitoring a communication bus associated with an uninterruptible power supply (UPS) coupled to the first battery pack and a second battery pack; (c) detecting, via the communication bus, communication indicating that, prior to being assigned to the first battery pack, the first ID is assigned to the second battery pack; and (d) assigning a second ID to the first battery pack in response to detecting the communication, the second ID being different from the first ID.
Resumen de: WO2026060112A1
A method, and apparatuses are disclosed for use of a field effect transistor (FET) from a DC/DC converter as part of a solid state relay (SSR) circuit. A solid state relay (SSR) includes a first field effect transistor (FET) and a second FET. The first FET is implemented as an ideal diode. The second FET is included in a DC/DC converter circuit. The first FET and the second FET are in electrical communication with one another. A battery management system comprising the SSR and a battery comprising the SSR are also disclosed.
Resumen de: DE102024131940A1
Ein System, das so konfiguriert ist, dass es das Auslaufen eines Elektrolyten aus einer Batteriezelle detektiert. Das System umfasst: eine Sonde, die so konfiguriert ist, dass sie die Batteriezelle kontaktiert und eine luftdichte Verbindung zwischen der Sonde und der Batteriezelle über einer Einfüllöffnung der Batteriezelle erzeugt, die mit einer Dichtung verschlossen wurde; eine Pumpe, die in Fluidkommunikation mit der Sonde steht, wobei die Pumpe so konfiguriert ist, dass sie ein Vakuum durch die Sonde zieht; ein Gehäuse, das eine Kammer definiert, die ein Fenster umfasst, wobei sich die Sonde vom Gehäuse erstreckt, die Pumpe so mit dem Gehäuse verbunden ist, dass sie das Vakuum durch die Sonde in die Kammer zieht; und einen Sensor, der so konfiguriert ist, dass er das Vorhandensein des Elektrolyten innerhalb der Kammer detektiert, der durch das von der Pumpe erzeugte Vakuum aus der Batteriezelle durch die Dichtung der Einfüllöffnung gezogen wird, wobei das Vorhandensein des Elektrolyten in der Kammer angibt, dass die Dichtung der Einfüllöffnung der Batteriezelle beschädigt ist.
Nº publicación: DE102024132789A1 19/03/2026
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: DE102024132789A1
Ein Fahrzeug, ein System und ein Verfahren zum Energiemanagement für ein wiederaufladbares Energiespeichersystem (RESS) werden bereitgestellt. Das Verfahren umfasst das Identifizieren eines gewünschten Ladezustands (SOC) des RESS zu einer Rückkehrzeit; das Aktivieren eines Urlaubsmodus mit einem Ziel-SOC und einem Ziel-RESS-Temperaturbereich, wobei der Ziel-SOC kleiner als der gewünschte SOC ist; das Bestimmen, ob ein aktueller SOC größer als der Ziel-SOC ist; wenn der aktuelle SOC größer als der Ziel-SOC ist, das Verbrauchen von RESS-Energie für den gesamten Energiebedarf; wenn der aktuelle SOC kleiner als der Ziel-SOC ist, Verbrauchen von Energie von einem Ladegerät für den gesamten Energiebedarf; Bestimmen, ob eine RESS-Temperatur außerhalb des Ziel-RESS-Temperaturbereichs liegt; und wenn die RESS-Temperatur außerhalb des Ziel-RESS-Temperaturbereichs liegt, Durchführen eines thermischen Bedingungsprozesses, um die RESS-Temperatur auf eine Temperatur innerhalb des Ziel-RESS-Temperaturbereichs zu ändern.