Alerta

POSITIVE ELECTRODE AND ALL-SOLID-STATE BATTERY INCLUDING SAME

Resumen de: WO2026127313A1

The present invention relates to a positive electrode and an all-solid-state secondary battery including same, the positive electrode including a sulfide-based solid electrolyte and a sulfur-containing additive that is glass or glass-ceramic and that exhibits an endothermic peak at 180°C to 220°C in differential scanning calorimetry (DSC) analysis.

MANUFACTURING DEVICE AND MANUFACTURING METHOD OF FIBER-TYPE ELECTRODE

Resumen de: US20260171387A1

0000 A manufacturing device of a fiber-type electrode includes: a bath including a coagulant; a transport portion including a supply roll provided outside the bath, a take-up roll provided inside the bath to be immersed in the coagulant, and a winding roll provided outside the bath, and configured to transport a fiber-type substrate; and a nozzle between the supply roll and the take-up roll. The nozzle includes a guide pipe that provides a moving passage of the fiber-type substrate, an inner main body around the guide pipe and that provides a central axis space in which an active material solution is supplied, and an outer main body around the inner main body and that provides a peripheral space in which a polymer solution is supplied.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026126045A1

The present invention suppresses elution of metal elements, and additionally, elemental oxygen and the like from positive electrode active material particles even if cycle testing is performed at a high voltage. This secondary battery comprises an electrolyte and a positive electrode. The positive electrode comprises positive electrode active material particles that have surface layer sections and coating layers that have regions that are in contact with the surface layer sections. The positive electrode active material particles comprise lithium cobalt oxide. The surface layer sections comprise magnesium and fluorine. The coating layers function to suppress elution of one or more materials chosen from the group consisting of cobalt, oxygen, magnesium, and fluorine from the positive electrode active material into the electrolyte. The coating layers function to transmit lithium ions at least during charging. The coating layers comprise layers that comprise fluorine, layers that comprise oxygen, or layers that comprise fluorine and oxygen.

ELECTROLYTIC COPPER FOIL, MANUFACTURING METHOD THEREOF AND CURRENT COLLECTOR

Resumen de: US20260168124A1

A manufacturing method of an electrolyte copper foil is provided. The manufacturing method of an electrolyte copper foil includes: providing an electrolytic device including a cathode and an anode; soaking the cathode in an electrolyte; adding an additive into the electrolyte; and performing electroplating to form an electrolytic copper foil on a surface of the cathode. The additive includes hydroxyethyl cellulose, sodium 3-mercapto-1-propanesulfonate, ethylene thiourea, bio-glue, polyethyleneimine or a combination thereof. An electrolyte copper foil and a current collector are also provided.

Verfahren und Vorrichtung zum Laden einer Batterie

Resumen de: DE102024004402A1

Die Erfindung betrifft ein Verfahren zum Laden einer Batterie (B) mit den Schritten Ermitteln eines initialen Batteriezustands der Batterie (B), Bestimmen einer Ruhespannung und eines Ruhepotentials einer Anode aus einer Lookup-Tabelle (LUT) oder aus einem Modell, kurzzeitiges Anlegen eines Stroms aus einer Lookup-Tabelle (LUT) oder aus dem Modell oder einer Überspannung, die dem Ruhepotential der Anode multipliziert mit einem Faktor entspricht, Bestimmen eines Innenwiderstands über eine Überspannung und den Strom, Auslesen eines effektiven ohmschen Widerstandes (ROhm) aus einer Lookup-Tabelle (LUT) oder aus dem Modell, Ermitteln eines Chemiewiderstandes, indem der Innenwiderstand um den Anteil des effektiven ohmschen Widerstandes (ROhm) reduziert wird, Bestimmen eines maximal möglichen Ladestroms und/oder einer maximalen Überspannung derart, dass die Überspannung des Chemiewiderstandes dem mit dem Faktor multiplizierten Ruhepotential der Anode entspricht, und Laden der Batterie (B) mit einem Strom, der kleiner als oder gleich dem ermittelten maximal möglichen Ladestrom ist, und/oder mit einer Spannung, die kleiner oder gleich der ermittelten maximalen Überspannung addiert mit der Ruhespannung ist, bis mindestens eine vorgegebene Endbedingung erreicht ist.

BATTERY DISCHARGING METHOD USING THERMAL ENERGY SYSTEM AND SYSTEM THEREOF

Resumen de: US20260167053A1

A method for discharging a battery using a thermal energy system includes: collecting status information according to driving an electric vehicle, and when a brake pedal signal is input, determining whether a battery state of charge (SoC) is greater than a threshold value; when the battery SoC is greater than a threshold value, determining whether a high power part of the thermal energy system is operated; and controlling at least one high power part using a thermal energy system in a forced discharge mode by executing a high-SOC brake compensation (HBC) logic.

ELECTRODE ASSEMBLY

Resumen de: US20260171535A1

0000 A first electrode sheet includes a first portion located on an outermost side and serving as one turn around a winding axis, a second portion located inward of the first portion and serving as one turn around the winding axis, and a third portion located inward of the second portion and serving as one turn around the winding axis. Multiple holes includes a first hole provided in the first portion, a second hole provided in the second portion, and a third hole provided in the third portion. The second hole is located away from a first facing portion of the second portion that faces the first hole in a direction perpendicular to a surface of the first portion. The third hole is located away from a second facing portion of the third portion that faces the second hole in a direction perpendicular to a surface of the second portion.

THIN FILM FOR SOLID-STATE BATTERY

Resumen de: US20260171479A1

0000 An object of the present disclosure is to provide a thin film for a solid-state battery that is, due to low residual solvent content, less likely to adversely affect the performance of a solid-state battery and can be manufactured by a roll-to-roll continuous coating method. The present disclosure provides a thin film for a solid-state battery 100 including solid electrolyte particles 110 and crystalline fluororesin 120 and 130 binding the solid electrolyte particles 110 together, in which at least part 130 of the crystalline fluororesin has a fibrous shape, and the content of volatile components measured by a gas analysis means is 10 ppm by mass or less.

DEVICE AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026127388A1

The present invention relates to a device and method for manufacturing a secondary battery. The device for manufacturing a secondary battery, according to an aspect of the present invention, is a manufacturing device which processes a subassembly to manufacture a secondary battery, the subassembly comprising: an electrode assembly; a cap covering one side of the electrode assembly; and an accommodation unit surrounding a plurality of circumferential surfaces of the cap and the electrode assembly and made of exterior films. The device may comprise: a position correction unit capable of moving an extension unit toward an edge disposed between neighboring circumferential surfaces among the plurality of circumferential surfaces, the extension unit extending from the accommodation unit toward the outside of the cap; and a coupling unit capable of coupling the plurality of circumferential surfaces and the accommodation unit.

CONDUCTIVE MATERIAL DISPERSION, ELECTRODE, AND SECONDARY BATTERY COMPRISING ELECTRODE

Resumen de: WO2026127705A1

Disclosed in the present specification are a conductive material dispersion and an electrode using the dispersion, wherein the conductive material dispersion comprises carbon nanocables, an amine-based dispersant, and a polyphenol-based dispersant, the carbon nanocables have an average diameter of 1 ㎛ or less and are obtained by arranging and bonding a plurality of carbon nanotube units, including single-walled carbon nanotubes and double-walled carbon nanotubes, in the longitudinal direction and the radial direction, and the carbon nanotube units have an average diameter of 1.8 nm to 4.0 nm and a standard deviation of diameter of 0.30 or more. In addition, a secondary battery having improved resistance characteristics and lifespan characteristics due to the use of carbon nanocables having a high packing density, excellent durability, and a long length as a conductive material may be provided.

Verfahren zum Laden eines Akkupacks

Resumen de: DE102024138393A1

Die Erfindung betrifft ein Verfahren zum Laden eines ersten Akkupacks (3; 4) und eines zweiten Akkupacks (4; 3) mit einem Ladegerät (1), wobei das Ladegerät (1) eine erste Schnittstelle (23; 24), eine zweite Schnittstelle (24; 23), zumindest eine Leistungselektronik (30) zur Bereitstellung einer Ladeleistung und eine Steuerung (10) umfasst. Der erste Akkupack (3; 4) wird über die erste Schnittstelle (23; 24) und der zweite Akkupack (4; 3) über die zweite Schnittstelle (24; 23) mit einer ersten Ladeleistung oder mit einer zweiten Ladeleistung geladen. Der ersten Schnittstelle (23; 24) wird die erste Ladeleistung zum Laden des ersten Akkupacks (3; 4) zugeführt. Die Steuerung (10) erfasst zumindest einen Betriebsparameter des aktiven Ladevorgangs an der ersten Schnittstelle (23; 24) und vergleicht diesen mit einem in der Steuerung (10) abgespeicherten Grenzwert. In Abhängigkeit des Ergebnisses des Vergleichs wird die Steuerung (10) der zweiten Schnittstelle (24; 23) die zweite Ladeleistung zum Laden des zweiten Akkupacks (4; 3) zuführen.

BATTERY MANAGEMENT SYSTEM

Resumen de: WO2026126364A1

Provided is a battery management system in which functions assigned to a lower-level unit that controls a battery module and a higher-level unit that supervises the lower-level unit are optimized, with consideration given to reuse after mounting on a vehicle. The battery management system comprises: a lower-level unit (CMU) that is associated with each battery module (M) having a plurality of battery cells (C), and controls the battery module (M); and a higher-level unit (BMU) that supervises a plurality of lower-level units (CMU). Each lower-level unit (CMU) determines a state estimation value indicating a state of each battery cell (C), and transmits the state estimation value to the higher-level unit (BMU). The higher-level unit (BMU), on the basis of the respective state estimation values transmitted and received from the plurality of lower-level units (CMU), determines a total state estimation value of an entire pack (P) composed of the plurality of battery modules (M).

ULTRASONIC WELDING HORN FOR SECONDARY BATTERY AND ULTRASONIC WELDING APPARATUS FOR SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026127234A1

The present invention provides an ultrasonic welding horn for a secondary battery, which is employed in an ultrasonic welding apparatus for a secondary battery, and has a certain length and is disposed vertically, has an upper end connected to an ultrasonic vibrator of the ultrasonic welding apparatus, is inserted into a can of a secondary battery to carry out welding by applying ultrasonic waves while pressing an object to be welded, and has an outer circumference at a lower end, to which a ring structure of a ring shape is detachably coupled.

SYSTEM FOR EXTINGUISHING LITHIUM-ION BATTERY FIRES

Resumen de: US20260166354A1

0000 The present disclosure provides a fire extinguishing system for lithium-ion battery fires. The system includes a container configured to enclose a lithium-ion battery, at least two canisters mounted on the container, each canister containing an extinguishing agent, at least one sensor configured to detect indicators of a lithium-ion battery fire, and a computing device operatively connected to the canisters and the sensor. The computing device is configured to trigger discharge of the extinguishing agents from the canisters based on signals from the sensor. The system provides a targeted and automated response to lithium-ion battery fires, enhancing safety in environments where such batteries are used.

STORAGE CASE FOR BATTERIES FOR WEARABLE ELECTRONIC DEVICES

Resumen de: US20260171582A1

0000 A battery case for storing and/or charging swappable batteries comprises a base, a cover, a raising/lowering system and a charging system. The raising/lowering system includes at least one battery carrier, preferably two battery carriers, that can raise the batteries out of recesses when the cover is opened, such that the batteries appear as a pair of wings when raised. The raising/lowering system includes at least one linkage bar that pivots to engage a built-in hinge lever of the cover on one end and the battery carriers on the other end. The charging system comprises at least one electrical contact disposed on at least one battery carrier or the base to contact at least one battery contact of the battery or batteries when the case is opened and/or closed. The battery case allows users to conveniently access, swap, and charge batteries.

ULTRASONIC DISPERSION DEVICE AND SLURRY EXTRUSION APPARATUS INCLUDING THE SAME

Resumen de: US20260171388A1

0000 An ultrasonic dispersion device in a slurry extrusion apparatus includes ultrasonic probes in an outlet of the slurry extrusion apparatus, the ultrasonic probes being configured to irradiate a slurry in the slurry extrusion apparatus with ultrasonic waves, and a controller configured to control the ultrasonic waves of the ultrasonic probes.

CHAIN-LINKED CYLINDRICAL BATTERY CELL FOR BATTERY PACKS

Resumen de: US20260171588A1

0000 A chain-linked cylindrical battery cell includes a cylindrical can sealed by a top cap. The cylindrical can is configured to house a jelly-roll and electrolyte. The chain-linked cylindrical battery cell further includes a first chain ring configured to attach to an upper end of the cylindrical can, and a second chain ring configured to attach to a lower end of the cylindrical can. Each ring includes a pair of coupling rings protruding in opposite directions. Additionally, the chain-linked cylindrical can includes a chain pin configured to be inserted through the coupling rings, aligned with a longitudinal axis of the cylindrical can. The configuration allows adjacent similarly-structured chain-linked cylindrical battery cells to be rotatably connected, forming a chain-like structure suitable for battery packs.

MANUFACTURING APPARATUS AND MANUFACTURING METHOD OF BATTERY

Resumen de: US20260171460A1

0000 An apparatus of manufacturing a battery includes a first gripping portion gripping a hollow case with both ends thereof open and moving the case, a second gripping portion gripping and moving a cap assembly or an electrode assembly, and a controller controlling at least one of the first gripping portion or the second gripping portion to assemble the case and one of the cap assembly and the electrode assembly, wherein the controller controls an operation of the first gripping portion and the second gripping portion to assemble the case with one of the cap assembly and the electrode assembly in a state in which the both ends thereof open of the case are arranged vertically.

ELEKTROLYT FÜR LITHIUM-SEKUNDÄRBATTERIE UND LITHIUM-SEKUNDÄRBATTERIE MIT DIESEM

Resumen de: DE102025139312A1

Elektrolyt für eine Lithium-Sekundärbatterie, der ein Lithiumsalz; ein nichtwässriges organisches Lösungsmittel, das ein Lösungsmittel, das schwach an das Lithiumsalz bindet, und ein fluoriertes Lösungsmittel, das sich von dem Lösungsmittel, das schwach an das Lithiumsalz bindet, unterscheidet, enthält; und ein Additiv umfasst.

BATTERY CELL INSPECTION DEVICE

Resumen de: WO2026127741A1

A battery cell inspection device according to an embodiment of the present invention may comprise: a first transfer unit for transferring a battery cell; a vision inspection unit for acquiring appearance information of the battery cell; a second transfer unit for transferring the battery cell that has been determined to be abnormal from the appearance information acquired from the vision inspection unit; a pickup unit for moving the battery cell transferred by the second transfer unit; and a plasma inspection unit for using a plasma arc to inspect whether the surface of the battery cell transferred by the pickup unit has defects.

SECONDARY BATTERY INCLUDING INSULATING MEMBER

Resumen de: US20260171638A1

The present disclosure relates to a secondary battery including an insulating member. The secondary battery includes an electrode assembly, a case in which the electrode assembly is accommodated, a cap plate comprising a terminal electrically connected to the electrode assembly and bonded to the case, and an insulating member interposed between the electrode assembly and the cap plate in the case, wherein the insulating member includes a first body and a second body located adjacent to one another in a longitudinal direction, and a connection body located between the first body and the second body and comprising a first groove into which at least a portion of the first body is inserted and a second groove into which at least a portion of the second body is inserted.

MANUFACTURING PROCESS MANAGEMENT METHOD AND ELECTRONIC DEVICE

Resumen de: WO2026127264A1

According to an embodiment disclosed herein, a manufacturing process management method comprises, in a secondary battery manufacturing process, a step of identifying a current collector ID on the basis of an identification means corresponding to the current collector of a semi-finished cell, a step of checking information related to the process of manufacturing the semi-finished product cell, and a step of matching the information related to the manufacturing process to the current collector ID.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026123158A1

A secondary battery and an electronic device. The secondary battery comprises an electrode assembly, wherein the electrode assembly comprises a first electrode sheet, a separator, and a second electrode sheet that are stacked and wound. In a winding direction, the first electrode sheet comprises a first starting end. In the thickness direction of the first electrode sheet, the second electrode sheet is an electrode sheet adjacent to the first starting end. The secondary battery further comprises a first adhesive layer. In the thickness direction of the first electrode sheet, the first adhesive layer is disposed on the separator between the first starting end and the second electrode sheet, and the first adhesive layer covers the first starting end. In a direction opposite to the winding direction, the first adhesive layer extends beyond the first electrode sheet from the first starting end. The risk of burrs at the first starting end piercing the separator can be reduced, and exposure of the first starting end caused by slipping of the first starting end can be reduced, thereby reducing the occurrence of short circuits caused by the burrs at the first starting end piercing the separator, and improving the safety performance of the secondary battery.

BATTERY CELL, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: WO2026127596A1

A battery cell, according to the present invention, comprises: an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis; a battery housing provided with an open end portion so that the electrode assembly is inserted therein; and a housing lid coupled to the open end portion of the battery housing, wherein the open end portion has an inclined portion formed so as to be inclined from an inner surface toward an outer surface so as to guide the press-fitting of the housing lid, the housing lid comprises a lid outer portion having an abutting surface coming into contact with the open end portion, and the abutting surface may be configured so as to extend longer in the axial direction of the battery housing than the inclined portion.

SYSTEM AND METHOD FOR PROVIDING MILEAGE RANGE EXTENSION FOR ELECTRIC VEHICLES USING RECHARGEABLE MODULAR BATTERY CELLS

Nº publicación: WO2026128581A1 18/06/2026

Solicitante:

HUANG YEMAO [US]
HUANG, Yemao

Resumen de: WO2026128581A1

In one or more embodiments, systems and methods for providing mileage range extension using rechargeable modular battery cells for electric vehicles are disclosed. The system for providing mileage range extension for an electric vehicle includes a frame having a plurality of shelflike cavities, wherein each of the plurality of shelflike cavities is configured to hold one or more rechargeable modular battery cells, and wherein each of the plurality of shelflike cavities includes a lockable access door; wherein each of the plurality of shelflike cavities is provided with one or more connection points; and wherein each of the one or more rechargeable modular battery cells is removably attached to one or more of the other rechargeable modular battery cells in series or in parallel depending on the voltage configuration using the one or more connection points to form a battery-pack unit capable of powering the electric vehicle.