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HIGH ENTROPY LAYERED MATERIALS FOR BATTERIES

Resumen de: US20260317195A1

An electrode material having the formula Lix(M1n1M2n2M3n3M4n4M5n5M6n6)O2 in which M1, M2, M3, M4, M5, and M6 are different and are each selected from a 3d transition metal, a 4d transition metal, a 5d transition metal, Si, Ge, Sn, Al, Ga, In, and Sb, x is 0 to 1, each of n1, n2, n3, and n4 is 0.2 to 0.25, each of n5 and n6 is 0 to 0.2, and the material has a configurational entropy greater than 1.35R. Also provided is a method for preparing the electrode material and an electrode material prepared by the method.

BATTERY CELL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026214216A1

A battery cell and a preparation method therefor, a secondary battery, and an electric device, relating to the technical field of secondary batteries. By controlling a second coating to comprise a second polymer adhesive layer and an inorganic particle coating, interlayer bonding can be achieved well in a composite layer, and compared with a first coating, due to the provision of the inorganic particle coating, an uneven morphology can also be formed on the surface of the second coating, a good electrolyte wicking channel can be formed between the second coating and a negative electrode sheet, such that the electrolyte absorption rate on a negative electrode side is greater than the electrolyte absorption rate on a positive electrode side, the requirements of the negative electrode sheet and a positive electrode sheet on an electrolyte can be satisfied, and the electrolyte can quickly wick up through the gap between the second coating and the negative electrode sheet to supplement the electrolyte on the negative electrode side, so that the electrolyte can be fully utilized, and cycle performance can be improved.

SPATTER ACCUMULATION PREVENTION DEVICE AND WELDING SYSTEM INCLUDING SAME, AND BATTERY CELL WELDING METHOD USING WELDING SYSTEM

Resumen de: WO2026216906A1

A spatter accumulation prevention device, according to the present invention, for preventing welding spatter from accumulating in an injection hole during welding of an opening to a housing cover of a battery cell that includes a battery housing having the opening and the housing cover having the injection hole comprises: an opening stopper capable of moving in the vertical direction so as to open and close the injection hole; a connection member having one end portion connected to the opening stopper; a cam connected to the other end portion of the connection member and capable of moving in the horizontal direction and the vertical direction; and a driving assembly capable of moving the cam in the horizontal direction, wherein the cam can move in the vertical direction depending on the movement in the horizontal direction.

CONVEYING APPARATUS

Resumen de: US20260317076A1

0000 A conveying apparatus includes: a conveying belt that conveys a battery cell; an inspection unit that inspects an outer peripheral surface of the battery cell positioned at an inspection position; a plurality of rollers that can come into contact with the outer peripheral surface of the battery cell positioned at the inspection position; a support unit that rotatably supports the plurality of rollers disposed about a first rotation axis; a first rotation mechanism that rotates each of the plurality of rollers, thereby rotating the battery cell; and a second rotation mechanism that rotates the support unit together with the plurality of rollers about the first rotation axis in conjunction with the movement of the conveying belt.

THERMAL MANAGEMENT SYSTEM AND ENERGY STORAGE APPARATUS

Resumen de: WO2026214331A1

A thermal management system and an energy storage apparatus, relating to the technical field of energy storage. The thermal management system comprises a refrigerant substrate, and an evaporator, a plurality of refrigerant valve members and two condensers, which are integrated on the refrigerant substrate, wherein the two condensers and the evaporator are arranged in a first direction on the refrigerant substrate. The thermal management system further comprises a water loop substrate and a plurality of water loop devices integrated on the water loop substrate. Refrigerant devices, such as the evaporator, the plurality of refrigerant valve members and the two condensers, are integrated on the refrigerant substrate, and each of the refrigerant devices is then connected via flow channels of the refrigerant substrate; and the plurality of water loop devices are integrated on the water loop substrate, and each of the water loop devices is connected via flow channels of the water loop substrate. Thus, a large number of connecting pipes can be effectively reduced, lowering the complexity of pipe connection; in addition, the assembly difficulty and space occupation of the plurality of refrigerant devices and water loop devices of the thermal management system can be effectively reduced.

COMPOSITE SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY INCLUDING THE SAME

Resumen de: US20260321712A1

0000 Provided is a composite solid electrolyte including: a support layer including a high heat resistant polymer; and an electrolyte layer which is formed on both surfaces of the support layer and includes a fluorine-based polymer and lithium ion conductive inorganic particles, wherein the support layer includes an interpenetration layer in which at least a part of constituent components of the electrolyte layer are mixed.

BATTERY CELL BUNDLE

Resumen de: US20260321901A1

0000 A battery cell bundle is disclosed. According to the present disclosure, there is provided a battery cell bundle comprising a battery cell provided with at least one lead tab, and a busbar assembly fastened to the lead tab, wherein the busbar assembly comprises a busbar having one region provided with a notching portion and electrically connected to the lead tab and a busbar molding accommodates the busbar therein and comprises an opening that exposes the notching portion.

PACK HOUSING AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260321862A1

0000 A pack housing includes a base plate, a side member forming an accommodation space together with the base plate and connected to the base plate, a first cross member extending in a direction intersecting the side member, and a second cross member coupled to the first cross member, in which the first cross member includes a concave portion disposed concavely in a direction intersecting the base plate so that the second cross member is inserted into the concave portion, and a protruding portion connected to an end portion of the concave portion, protruding in the direction intersecting the base plate, and configured to come into contact with the second cross member.

Verfahren zur Detektion von Polarisationseffekten

Resumen de: DE102025113900A1

Nachfolgende Ausführungen betreffen ein Verfahren zur Detektion von Polarisationseffekten in einer elektrischen Speichereinheit zum Speichern und Bereitstellen elektrischer Energie, insbesondere in einem Elektrofahrzeug, die folgenden Schritte aufweisend: Erfassen (100) der Kapazität und des Energiedurchsatzes der Speichereinheit mittels mindestens einer Sensoreinheit und Bereitstellen (200) der erfassten Daten; Berechnen (300) des Kapazitätsverlustes pro Energiedurchsatz und der verstrichenen Zeit pro Energiedurchsatz anhand der erfassten Daten mittels einer Auswerteeinheit; Ermitteln (400) lokaler Extremstellen, insbesondere lokaler Minima und Maxima, anhand des berechneten Kapazitätsverlustes pro Energiedurchsatz und der verstrichenen Zeit pro Energiedurchsatz mittels der Auswerteeinheit; Auswerten (500) der Korrelation zwischen Kapazitätsverlust und verstrichener Zeit pro Energiedurchsatz mittels der Auswerteeinheit; Erstellen (600) einer Diagnose und/oder Prognose des Polarisationszustands der Speichereinheit anhand der durchgeführten Auswertung.

END COVER ASSEMBLY, ENERGY-STORAGE APPARATUS, AND POWER-CONSUMING DEVICE

Resumen de: US20260321828A1

0000 Provided are an end cover assembly, an energy-storage apparatus, and a power-consuming device. A second mounting hole of an upper insulating member is in communication with a first mounting hole of an end cover. A first mounting recess surrounds the second mounting hole. A press ring is mounted in the first mounting recess, and a first surface of the press ring and a bottom wall surface of the first mounting recess cooperatively define a first exhaust passage. A distance between a second end and a first end of the first exhaust passage is less than or equal to a length of the first exhaust passage. A peripheral side surface of the press ring and a side wall surface of the first mounting recess cooperatively define a second exhaust passage. A third mounting hole of the press ring is in communication with the second mounting hole and the first end.

CONDUCTIVE MODULE

Resumen de: US20260321925A1

A conductive module includes a busbar and a flat wiring material having flexibility and electrically connected to the busbar. The flat wiring material has a trunk portion extending along an extension direction of a battery module and a branch portion protruding from an end of the trunk portion in a width direction intersecting the extension direction, and electrically connected to the busbar. The branch portion has a plurality of first sections spaced apart from each other along the width direction and extending along the extension direction, and a curved second section connecting the first sections to each other along the width direction. The branch portion has a folded shape expandable and contractible along the width direction.

Hopper Device for Secondary Battery and Method of Injecting Electrolyte Into Secondary Battery Using Same

Resumen de: US20260321939A1

A hopper device for a secondary battery is proposed. The hopper device includes a hopper body configured to inject an electrolyte into an interior of a secondary battery, and a storage tank in fluid communication with an interior of the hopper body and configured to store the electrolyte therein. A method of injecting an electrolyte into a secondary battery is provided.

BATTERY CELL, BATTERY APPARATUS AND ELECTRIC APPARATUS

Resumen de: WO2026214223A1

Disclosed in the present application are a battery cell, a battery apparatus and an electric apparatus. The battery cell comprises a positive electrode sheet, which comprises a positive-electrode current collector and a positive-electrode film layer located on at least one side of the positive-electrode current collector, wherein the positive-electrode film layer comprises a positive-electrode active material; the positive-electrode active material has a single-particle morphology; and a particle size distribution curve of the positive-electrode active material shows a bimodal distribution, wherein a mode value of one mode ranges from 2 μm to 4 μm, and a mode value of the other mode ranges from 4.5 μm to 7.5 μm. The battery cell provided in the embodiments of the present application takes into consideration both a high energy density and a high dynamic performance.

ELECTROLYTES FOR HIGH POWER RECHARGEABLE ELECTROCHEMICAL DEVICES, AND METHODS OF PRODUCING THE SAME

Resumen de: US20260321730A1

0000 Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, a composition can include between about 2 wt % and about 15 wt % of a fluoroether, a first electrolyte solvent, and a second electrolyte solvent different from the first electrolyte solvent. The composition can further include a first salt including hexafluorophosphate ions and a second salt different from the first salt. The first salt and the second salt collectively have a concentration between about 5 wt % and about 30 wt %. The composition further includes about 0.5 wt % to about 1.5 wt % of a first additive and about 0.5 wt % to about 1.5 wt % of a second additive, the second additive different from the first additive. In some embodiments, the composition can include between about 10 wt % and about 76 wt % of the first electrolyte solvent.

BATTERY CELL

Resumen de: US20260321891A1

0000 A battery cell includes an electrode assembly, a housing case that houses the electrode assembly, and a porous member. The housing case includes a first wall extending in an extending direction, and a second wall in which a vent valve is provided. The porous member is disposed between the first wall and the electrode assembly and extends in the extending direction.

Current collector plate and battery cell comprising current collector plate

Resumen de: AU2026202429A1

Abstract The present utility model provides a current collector plate for a battery cell, comprising: a first electrical connection portion that is capable of being electrically connected directly to an end portion of an 5 electrode assembly of the battery cell, the end portion of the electrode assembly being located on a first side of the current collector plate; and a second electrical connection portion that is located on a radially outer side of the first electrical connection portion and is substantially parallel to the first electrical connection portion, wherein the second electrical 10 connection portion is capable of being electrically connected directly to a terminal of the battery cell, and the terminal of the battery cell is located on a second side of the current collector plate opposite the first side; wherein a through slot is formed in the first electrical connection portion; and wherein the second electrical connection portion protrudes toward 15 the second side of the current collector plate relative to the first electrical connection portion. A battery cell comprising the current collector plate described above is also provided. The current collector plate and the battery cell of the present utility model are simple and compact, easy to assemble, and highly reliable, making them less susceptible to poor 20 contact and so on. Abstract contact and so on. ar b s t r a c t a r b s t r a c t a r Figures Fig. 1 18a 18b 14a 14b ar a r @ a r

Underwater Apparatus with Detachable Battery Compartment

Resumen de: US20260316910A1

0000 An underwater apparatus with a detachable battery compartment includes: a battery compartment mechanism; a functional apparatus; a first connecting base fixed on the battery compartment mechanism and electrically connected to the battery compartment mechanism; a second connecting base fixed on the functional apparatus and electrically connected to the functional apparatus; and a locking mechanism, wherein the battery compartment mechanism is detachably provided outside the functional apparatus via the locking mechanism, and the first connecting base and the second connecting base are detachably electrically connected. In the present application, the battery compartment mechanism is independently provided outside the functional apparatus, and when the two are assembled, the physical connection is completed by the locking mechanism, and the electrical connection is completed by the cooperation of the first connecting base and the second connecting base, so that the battery compartment mechanism can stably supply power to the functional apparatus.

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Resumen de: WO2026216732A1

According to an example embodiment, a battery module is provided. The battery module comprises: a plurality of battery cells arranged in at least one direction; a module case which accommodates the plurality of battery cells, and in which an upper plate including multiple vent holes is positioned at an upper end; a thermal barrier disposed between the plurality of battery cells and including a metal plate and an insulating material bonded to both side surfaces of the metal plate; and a bursting fireproof sheet positioned between the thermal barrier and the upper plate and blocking the vent holes, wherein the metal plate may extend over the upper plate and may be fixed onto the upper plate. In addition, according to an example embodiment, a battery pack, which includes the battery module and a pack housing accommodating the battery module, is provided.

BATTERY MODULE, METHOD FOR ASSEMBLING BATTERY MODULE, AND BATTERY PACK INCLUDING PLURALITY OF BATTERY MODULES

Resumen de: US20260321850A1

0000 A battery module includes: a battery cell stack including battery cells stacked in a stacking direction between a first end side and a second end side; a module wall including two oppositely arranged side walls extending along the stacking direction with the battery cell stack arranged therebetween and an end wall on the first end side of the battery cell stack and connecting the two side walls to each other; and a first end plate on the second end side of the battery cell stack and opposite the end wall. Each of the side walls is connected to the first end plate by a form-fit sliding connection, and a sliding direction of the form-fit sliding connection is perpendicular to the stacking direction.

ELECTRODE

Resumen de: US20260321676A1

0000 An electrode in which an electrode active material layer is coated on at least one surface of a collector having a sheet shape includes: a coated portion that is a portion of the collector, the coated portion being coated with the electrode active material layer; an uncoated portion that is a portion of the collector, the uncoated portion being not coated with the electrode active material layer; and a collector tab joined to the uncoated portion. A slit is provided in the uncoated portion, and the collector tab is joined to the uncoated portion at a position between the coated portion and the slit.

WIRE-ROUTING MODULE

Resumen de: US20260322012A1

0000 A wire-routing module includes: a flat routing member having flexibility and including a trunk portion extending along an extending direction of a battery module, and an excess-length portion connected to the trunk portion via a bent portion; a connector mounted on a connector mounting surface provided in the excess-length portion; and a lower cover and an upper cover assembled to each other with the flat routing member interposed therebetween, the lower cover and the upper cover integrally covering the excess-length portion and the bent portion and suppressing the penetration of condensation generated in the battery module into the connector mounting surface side.

BATTERY SYSTEM

Resumen de: US20260321756A1

The battery system 1 includes plural battery modules 10 connected to a load 100 and includes a control device 60. The battery module 10 includes a pre-charge unit 40 having a pre-resistance 41. The control device 60 includes a pre-charge process executing part 67 that executes a pre-charge process on each one battery module 10 of the plural battery modules 10 one by one. The control device 60 further includes a time obtaining part 64 that obtains a cooling time TC being an elapsed time since a previous pre-charge process is performed on a previous hierarchy No. 1 battery module on which the pre-charge process is firstly executed when the previous connection to the load 100 is performed, and includes an order deciding part 65 that decides the order to inhibit the pre-charge process from being executed firstly on the previous hierarchy No. 1 battery module when the cooling time TC is equal to or less than a reference time TD. Accordingly, it is possible to suppress a deviation of the deteriorations of the pre-resistances.

CONTROL METHOD AND SYSTEM FOR BATTERY ELECTRODE ROLL PRESSING PROCESS

Resumen de: US20260321571A1

A control method for a battery electrode roll pressing process, according to an embodiment of the present disclosure, includes obtaining thickness values for an electrode sheet rolled by mill rolls; and controlling a gap between the mill rolls and a side pressure of the mill rolls, based on the thickness values, wherein the controlling uses a first control logic controlling the gap between the mill rolls, based on a first magnitude relationship of the thickness values, with respect to a target thickness value, and uses a second control logic selectively adjusting the side pressure of the mill rolls, according to whether a positive/negative sign of a second magnitude relationship of an one-side region thickness value with respect to a central region thickness value is equal to a positive/negative sign of a third magnitude relationship of an other-side region thickness value with respect to the central region thickness value.

CONTROL METHOD OF WORKING MACHINE, WORKING MACHINE CONTROL PROGRAM, WORKING MACHINE CONTROL SYSTEM, AND WORKING MACHINE

Resumen de: US20260318042A1

A control method of a working machine according to one aspect of the present invention is a control method of the working machine which includes a secondary battery and an electric motor driven by electric power of the secondary battery. This control method includes: activating the electric motor by an activation operation; and regulating the activation of the electric motor without depending on the activation operation when activation conditions are not satisfied. The activation conditions include a first condition related to the state of charge of the secondary battery.

FEEDING APPARATUS

Nº publicación: WO2026214369A1 15/10/2026

Solicitante:

WUXI LEAD INTELLIGENT EQUIPMENT CO LTD [CN]
\u65E0\u9521\u5148\u5BFC\u667A\u80FD\u88C5\u5907\u80A1\u4EFD\u6709\u9650\u516C\u53F8

Resumen de: WO2026214369A1

A feeding apparatus, comprising: a turntable conveying mechanism (10) and a belt conveying mechanism (20). The turntable conveying mechanism (10) comprises a material conveying turntable (11), the material conveying turntable (11) having a plurality of first grippers (a1) arranged at intervals in the circumferential direction thereof. The belt conveying mechanism (20) comprises a first belt pulley (21), a second belt pulley (22), a belt (23), and a plurality of carriers (24), the first belt pulley (21) and the second belt pulley (22) being spaced apart, the belt (23) being tensioned and wound between the first belt pulley (21) and the second belt pulley (22), and the carriers (24) being fixedly connected to the belt (23) and arranged at intervals in the length direction of the belt (23). The material conveying turntable (11) is arranged on the side of the first belt pulley (21) facing away from the second belt pulley (22), and between the first belt pulley (21) and the material conveying turntable (11), a material is transferred from the first grippers (a1) to the carriers (24).