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COLLECTION WIRE HARNESS CONNECTING TERMINAL, BATTERY MODULE, AND ELECTRIC DEVICE

Resumen de: WO2026056198A1

The present application discloses a collection wire harness connecting terminal, a battery module, and an electric device. The collection wire harness connecting terminal has conductivity, and comprises an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is separately fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and a collection wire harness are fixed by crimping. The busbar connecting portion can be snap-fitted with a preset accommodating portion on a busbar.

SODIUM ION BATTERY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND SODIUM ION BATTERY

Resumen de: WO2026056160A1

Disclosed in the present application are a sodium ion battery positive electrode material and a preparation method therefor, and a sodium ion battery. The preparation method comprises the following steps: mixing a nickel manganese precursor with a sodium salt and a scandium source, and then sintering at a high temperature to obtain a sodium ion battery positive electrode material. The method of the present application uses doping of a nickel site by scandium (Sc), and special charge polarons can be introduced due to a change in crystal structure, which enhances the stability of a framework structure of a transition metal layer in a layered oxide, and improves the mechanical properties of the material, while also improving the electronic conductivity and ion diffusion properties of the material, and alleviating irreversible phase transition of the material. A battery assembled by using the prepared sodium ion battery positive electrode material has excellent rate performance and capacity retention.

SEMI-SOLID-STATE BATTERY ELECTROLYTE PRECURSOR, SEMI-SOLID-STATE BATTERY ELECTROLYTE, AND SEMI-SOLID-STATE BATTERY AND PREPARATION METHOD THEREFOR

Resumen de: WO2026056155A1

Provided are a semi-solid-state battery electrolyte precursor, a semi-solid-state battery electrolyte, and a semi-solid-state battery and a preparation method therefor. The electrolyte precursor comprises: a first polymer monomer, a second polymer monomer, and an initiator; the first polymer monomer is an acrylic monomer or an acrylate monomer; and the second polymer monomer is a fluorine-containing unsaturated monomer.

SECONDARY BATTERY AND BATTERY PACK

Resumen de: US20260081321A1

A secondary battery and a battery pack are disclosed. A secondary battery includes an electrode assembly including an electrode tab, a case in which the electrode assembly is accommodated, a connection member electrically connected to the electrode tab, a side terminal electrically connected to the connection member, a cap plate passing through the side terminal and coupled to an opening of the case, and an insulating part insulating the cap plate from the side terminal and insulating the cap plate from the electrode assembly.

SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE

Resumen de: US20260081317A1

A secondary battery, a battery pack, and an electronic device are provided. The secondary battery includes a housing, an electrode assembly, and a current collector. The housing includes an end wall, and an explosion-proof valve is disposed on the end wall. The electrode assembly is accommodated in the housing, and the electrode assembly includes a tab facing the end wall. The current collector is disposed between the electrode assembly and the end wall, and is electrically connected to the tab. At least one fragile part is disposed on the current collector, and the fragile part is configured to break when the internal pressure of the secondary battery exceeds a threshold value. At least part of the current collector is bent toward a direction away from the electrode assembly to reduce obstruction to a pressure relief region.

ELECTRODE ASSEMBLY AND METHOD OF MANUFACTURING SECONDARY BATTERY INCLUDING THE ELECTRODE ASSEMBLY

Resumen de: US20260081318A1

An electrode assembly according to the present disclosure includes a positive electrode plate, a negative electrode plate, a separator positioned between the positive electrode plate and the negative electrode plate, and an electrode tab electrically connected to the positive electrode plate. The electrode tab includes a first metal and a second metal that at least partially surrounds the first metal.

Battery Module Comprising Solder Pin for Connection to Busbar and Battery Pack Including Same

Resumen de: US20260081315A1

A battery module, including battery cells connected in series or connected in series and in parallel, a plurality of bus bars connected to corresponding electrode leads of the battery cells, and a voltage sensing member having sensing parts respectively connected to the bus bars, each of the plurality of bus bars having a pin hole perforated therethrough in a thickness direction, and each of the sensing parts having a solder pin configured to be inserted into and released from the pin hole.

CONNECTION METHOD AND BATTERY PACK

Resumen de: US20260081314A1

To provide a connection method adapted to connect a bus bar and a voltage detection line in such a way that the possibility of electric shock is reduced in the case of performing re-connection in an assembled battery pack. A connection method according to the present disclosure is a connection method for performing connection between the bus bar and the voltage detection line in a battery pack. In this connection method, the voltage detection line is joined to the bus bar housed in a bus bar case made of an insulating material, and a spacer is fixed to the bus bar case under a state in which the bus bar and the voltage detection line are pressed between the bus bar case and the spacer made of an insulating material to thereby bring the bus bar and the detection line in close contact with each other.

BATTERY ELECTRODE WITH LAYERED STRUCTURE AND PERFORATIONS

Resumen de: US20260081182A1

An electrode assembly includes an electrode having a laminated foil disposed between a first active material layer and a second active material layer, where the laminated foil includes a polymer substrate disposed between a first laminate layer and a second laminate layer. The electrode assembly also includes a plurality of perforations extending through the first active material layer, the second active material layer, and the laminated foil.

SECONDARY BATTERY STACKING DEVICE AND METHOD FOR STACKING SECONDARY BATTERY

Resumen de: US20260081198A1

The present disclosure provides a secondary battery stacking device. The secondary battery stacking device includes a stacking table configured to position a reel on the stacking table, a ladder frame positioned above the stacking table and having a guide rail along a longitudinal direction, a rotary gripper configured to suction the reel and move the reel along the guide rail, and a reel supply portion configured to supply the reel.

CURRENT COLLECTOR AND BATTERY

Resumen de: US20260081181A1

A current collector includes a support portion, a first conductive layer, and a second conductive layer. The support portion includes an electrically insulating resin composition. The support portion includes a support layer and an extension portion. The first conductive layer is in contact with the support layer on a first side in a thickness direction of the support layer. The second conductive layer is in contact with the support layer on a second side in the thickness direction. The extension portion extends from the support layer in an orthogonal direction orthogonal to the thickness direction.

BLOCK COPOLYMER, CROSSLINKED BLOCK COPOLYMER COMPRISING BLOCK COPOLYMER, SULFUR-CARBON COMPOSITE, METHOD OF MANUFACTURING THE SULFUR-CARBON COMPOSITE

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.

Lithium Secondary Battery Structure Comprising Composite Conductive Current Collector

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.

CURRENT COLLECTOR AND BATTERY

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.

SEALED CAN BODY, BATTERY, METHOD FOR MANUFACTURING SEALED CAN BODY, AND METHOD FOR MANUFACTURING BATTERY

Resumen de: WO2026058586A1

The sealed can body according to one embodiment of the present disclosure is provided with a body and a lid. The body is a single bent metal plate. The body comprises: a bottom surface which is continuous with one short side of the lid, the long sides of the bottom surface being along the lid in the vertical direction; two long wall surfaces which are continuous with the long sides of the lid, the long sides of the long wall surfaces being along the lid in the vertical direction; a short wall surface which faces the lid; and one top surface which is continuous with the other short side of the lid, the long sides of the top surface being along the lid in the vertical direction. The bottom surface and the two long wall surfaces are continuous with each other via a bent portion of the metal plate. The top surface and the two long wall surfaces are continuous with each other via a bent portion of the metal plate. A first welded portion extending from the lid body to the short wall surface is present inside the top surface. A second welded portion extending from the top surface to the bottom surface is present on the short wall surface. The top surface and the short wall surface are continuous with each other via a third welded portion extending from one of the long wall surfaces to the other long wall surface.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026058445A1

The present invention provides a lithium secondary battery that has excellent stability and charge/discharge properties. The present invention relates to a lithium secondary battery including an electrode sheet comprising a current collector that has a resin layer and metal layers formed on both surfaces of the resin layer, and an active material layer that is formed on at least one surface of the current collector, wherein the current collector has creases, and the active material layer has a level difference at the surface of portions corresponding to the creases.

ELECTRODE CENTER POSITION IDENTIFICATION METHOD AND ELECTRODE CENTER POSITION IDENTIFICATION DEVICE

Resumen de: WO2026058322A1

This electrode center position identification method is for identifying, after rolling, the center position of an electrode mixture layer of a laminate in which a current collector foil, the electrode mixture layer, and a solid electrolyte layer are laminated in the stated order. At least three reference parts are provided in a region on a surface of the current collector foil where the electrode mixture layer is not formed. A control unit: measures, on the basis of imaged data by an imaging device, the positions of the reference parts and a relative position of the center point of the electrode mixture layer formed on the surface of the current collector foil with respect to the reference parts; after formation of the solid electrolyte layer on the surface, of the electrode mixture layer, opposite from the current collector foil and after the rolling, measures positional change amounts of the reference parts on the basis of imaged data by the imaging device; and identifies the position of the center point of the electrode mixture layer after the rolling by using the positional change amounts.

BATTERY MODULE AND VEHICLE

Resumen de: WO2026056078A1

The present application belongs to the technical field of batteries. Disclosed are a battery module and a vehicle. The battery module comprises: a battery body, a liquid cooling plate, and a plurality of connecting pipes. Since the end of a connecting elbow pipe away from a connecting pipe body is directly fixed onto a first connecting flange, a vertical short pipe arranged on the first connecting flange can be removed, eliminating the need to use a quick-connect fitting. This can significantly reduce the space occupied by the entire connecting pipes in the direction perpendicular to the liquid cooling plate, reduce the distance between the connecting pipes and the liquid cooling plate, and thereby effectively reduce the volume of a battery package.

IN-VEHICLE BATTERY INSTALLATION STRUCTURE

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.

BATTERY PACK

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.

BATTERY PACK

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.

SYSTEMS AND METHODS FOR DISTRIBUTED BATTERY CIRCUIT ISOLATION VIA PYROTECHNIC DISCONNECT

Resumen de: US20260081319A1

A battery system includes a plurality of battery packs and a battery management system (BMS). The BMS is operably coupled to the plurality of battery packs. The plurality of battery packs includes a first battery pack and a second battery pack. The first battery pack includes a first plurality of battery cells, a first fuse, and first terminals. The second battery pack includes a second plurality of battery cells, a second fuse, second terminals, and a supplementary fuse. The second terminals are electrically connected in parallel with the first terminals. The BMS is configured to monitor operational parameters of the plurality of battery packs; detect a fault condition in at least one of the plurality of battery packs; and initiate actuation of the supplementary fuse in response to the detected fault condition. The supplementary fuse is configured to blow to isolate the second battery pack from the first battery pack.

Battery Shell, Battery Cell and Large-Capacity Battery

Resumen de: US20260081330A1

A battery shell, a battery cell and a large-capacity battery, which mainly solve the problem of poor performance of existing large-capacity batteries. The battery shell is provided with a first through hole and is also provided with a pipeline covering the first through hole and extending along a thickness direction of the battery shell, the pipeline is provided with a second through hole on a pipe body, and the first through hole communicates with the second through hole. An electrolyte sharing channel of a large-capacity battery is formed through the pipeline, and battery cells in the large-capacity battery may be in a unified electrolyte environment, thereby improving the performance of the large-capacity battery.

INLINE-BATTERIE-ELEKTROLYT-LECKDETEKTION

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.

URLAUBSMODUS FÜR EIN WIEDERAUFLADBARES ENERGIESPEICHERSYSTEM

Nº publicación: DE102024132789A1 19/03/2026

Solicitante:

GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC