Almacenamiento en baterías

DISPOSITIF POUR LA THERMOREGULATION DE BATTERIE DE VEHICULE ELECTRIQUE OU HYBRIDE ET PROCEDE METTANT EN ŒUVRE UN TEL DISPOSITIF

Resumen de: FR3167479A1

L’invention concerne un dispositif pour la thermorégulation de batterie (1) de véhicule électrique ou hybride et un procédé mettant en œuvre le dispositif. Le dispositif comporte :- une cellule de batterie (10) ;- un pulvérisateur (20) configuré pour pulvériser un fluide sur la cellule de batterie (10), le pulvérisateur (20) étant raccordé à un circuit de fluide (10) comprenant un premier raccord et un deuxième raccord, le circuit de fluide (10) comprenant un capteur de pression configuré pour mesurer la pression du fluide dans le circuit de fluide (10), le premier raccord comprenant un filtre, le deuxième raccord comprenant une vanne configurée pour être dans un état fermé et pour être dans un état ouvert, la vanne étant par défaut dans l’état fermé. Figure 1

Connecteur pour la circulation en fluide caloporteur d’un dispositif de régulation thermique

Resumen de: FR3167437A1

Titre de l’invention : Connecteur pour la circulation en fluide caloporteur d’un dispositif de régulation thermique La présente invention concerne un connecteur (14) pour la circulation en fluide caloporteur d’un dispositif de régulation thermique (1) d’organes de stockage d’énergie électrique (3), comprenant un premier conduit (28) de circulation de fluide caloporteur et un deuxième conduit (30) de circulation de fluide caloporteur disposé autour du premier conduit (28), le premier conduit (28) présentant une encoche (42) et le deuxième conduit (30) présentant une première fente (44) et une deuxième fente (46), le connecteur (14) comprenant un moyen d’obstruction partielle (36) partielle du deuxième conduit (30), l’encoche (42) du premier conduit (28) et la première fente (44) du deuxième conduit (30) communiquant via un corps creux du moyen d’obstruction partielle (36). Figure de l’abrégé : Figure 2

DISPOSITIF POUR LE REFROIDISSEMENT D’UNE BATTERIE D’UN VEHICULE ELECTRIQUE OU HYBRIDE, ET PROCEDE METTANT EN ŒUVRE LE DISPOSITIF

Resumen de: FR3167478A1

L’invention concerne un dispositif (100) pour le refroidissement d’une batterie d’un véhicule électrique ou hybride et un procédé mettant en œuvre le dispositif (100). Le dispositif (100) comprend un réservoir (110) comportant un conteneur (111). Le dispositif (100) comprend par ailleurs un circuit caloporteur (120) comportant une partie du circuit caloporteur (130) passant par le conteneur et un échangeur de chaleur (170). Le circuit caloporteur (120) comprend deux vannes (161, 162) configurées pour basculer dans un état ouvert ou un état fermé de manière à fournir un fluide caloporteur à la batterie (200) à une température comprise dans un intervalle de valeurs de température prédéterminées. Figure 3

BATTERIE DE TRACTION DE VEHICULE AUTOMOBILE AVEC MARQUAGES D’ENTREE D’EAU DE REFROIDISSEMENT

Resumen de: FR3167310A1

Batterie de traction de véhicule automobile électrique ou hybride, comportant un bac fermé contenant des cellules électrochimiques (30), et sur ce bac des emplacements d’ouverture permettant d'injecter une eau de refroidissement, le bac présentant des formes extérieures particulières (16) constituant un marquage désignant les emplacements d’ouverture prévus pour être percés, chaque emplacement d’ouverture étant disposé en face d’une zone intérieure de ce bac (34) qui est libre de cellules électrochimiques (30). Figure 2

Ensemble de détection d’échauffement d’une batterie de traction d’un véhicule électrique et procédé de détection d’échauffement mis en œuvre par ledit ensemble

Resumen de: FR3167482A1

Ensemble de détection d’échauffement d’une batterie de traction d’un véhicule électrique et procédé de détection d’échauffement mis en œuvre par un tel ensemble. L’invention concerne un ensemble (1) de détection d’échauffement d’une batterie de traction d’un véhicule électrique (3), comprenant :- un dispositif d’acquisition de données (7) représentatives de températures d’une batterie de traction, comprenant un boîtier (9) présentant une résistance à l’écrasement supérieure à une tonne agencé sur un sol (11) et une caméra thermique montée dans ledit boîtier pour acquérir des données d’images thermiques de ladite batterie,- un contrôleur, adapté pour collecter lesdites données,- une centrale de supervision (15), pour récupérer lesdites données, programmée pour envoyer un signal (17) de déclenchement d’alerte lorsque lesdites données sont représentatives d’une élévation de la température de ladite batterie au-delà d’une valeur seuil ou d’une différence de température dans un intervalle de temps supérieure à une valeur seuil. Figure 1

Procédé de fabrication par voie sèche d’électrodes et ensemble associé

Resumen de: FR3167480A1

L'invention concerne un procédé de fabrication par voie sèche d’électrodes (90) pour des cellules d’une batterie, le procédé de fabrication étant caractérisé en ce qu’il comprend au moins : (i) une étape de découpage de bordures latérales (51) d’un film (50) de matériau actif d’électrode de manière à obtenir un film prédécoupé (60) de largeur prédéterminée mesurée entre ses bordures latérales (51) ; (ii) une étape de découpage du film prédécoupé (60) de matériau actif d’électrode de sorte à diviser le film prédécoupé (60) en une pluralité de bandes découpées (70) de matériau actif d’électrode, chacune desdites bandes découpées (70) de matériau actif d’électrode étant configurée pour équiper une ou deux électrodes (90), la largeur prédéterminée du film prédécoupé (60) étant égale à la somme des largeurs de chacune des bandes découpées (70) dans le film prédécoupé (60) ; (iii) une étape de laminage d’au moins une bande découpée (70) de matériau actif d’électrode de la pluralité de bandes découpées (70) sur au moins une face d’un feuillard collecteur de courant (75), pour former une bande d’électrode laminée (80). (Fig. 1)

PROCEDE POUR LA THERMOREGULATION D’UNE BATTERIE DE VEHICULE ELECTRIQUE OU HYBRIDE, COMPRENANT UN CYCLE DE TENSION ALTERNEE

Resumen de: FR3167348A1

L’invention concerne un procédé de thermorégulation d’une batterie de véhicule électrique ou hybride. La batterie comprend une sonde de température. Le procédé comprend les étapes suivantes pour un cycle de tension alternée :- une étape de mesure (E1) de la température de la batterie par la sonde de température ;- une première étape (E2) et une deuxième étape (E3) de mise en tension de la batterie respectivement à une première valeur de tension électrique et à une deuxième valeur de tension électrique respectivement pendant une première durée prédéterminée et pendant une deuxième durée prédéterminée respectivement comprises pendant le cycle de tension alternée lorsque la valeur de température mesurée est inférieure à une valeur de température prédéterminée.Ainsi, la batterie peut être réchauffée. Figure 1

COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, COMPOSITION PRECURSOR FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

Resumen de: US20260106328A1

Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer that has excellent wet adhesiveness and that is capable of good inhibition of metal deposition on an electrode during charging and discharging and swelling of an electrochemical device. The composition for an electrochemical device functional layer contains a particulate polymer including a structural unit that includes a group having an aromatic ring where at least one hydrogen atom is substituted with a hydroxy group.

METHOD OF COUNTERACTING DEGRADATION OF A FUEL CELL SYSTEM OF A VEHICLE

Resumen de: US20260103116A1

The present disclosure relates to a method of counteracting degradation of a fuel cell system of a vehicle. A processor device is used for performing the method. The processor device estimates standstill average power needs of the vehicle by estimating the average power that the vehicle will consume during a predetermined time period during which the vehicle will be at a standstill. An idling power extractable from the fuel cell system is determined. The idling power is compared with the estimated standstill average power needs. Based on the comparison, a duration for which the fuel cell system should be kept turned on to fulfil the estimated standstill average power needs is determined. The fuel cell system is controlled to be kept turned on for the determined duration.

INSPECTION OF BINDERS AND SLURRY MIXTURES FOR USE IN BATTERY FABRICATION BASED ON ACOUSTIC SIGNAL ANALYSIS

Resumen de: US20260106200A1

Systems, techniques, and computer-implemented processes for acoustic signal based improvements to one or more process steps in the manufacture of battery cells. Information gathered based on an acoustic signal based analysis in one process step can be used in one or more other process steps using any suitable combination of feedback and/or feedforward of the acoustic signal based analysis. Such feedback and/or feedforward can improve the overall quality of battery cells produced using the manufacturing process, efficiency/cost of the manufacturing process, improvement in yield/reduction in wastage of the battery cells produced using the manufacturing process and/or improvements in individual process steps.

PROCESSES AND METHODS FOR PRODUCTION OF CRYSTALLIZED METAL SULFATES

Resumen de: US20260103396A1

0000 A process and method for producing a crystallized metal sulfate. The crystallized metal sulfate may be battery-grade. The method may comprise receiving a metal ion-containing stream and crystalizing a metal sulfate from the stream. The process may comprise receiving a stream from a metal processing plant, and crystalizing a metal sulfate from the stream. The process may be a metal electrowinning process comprising crystalizing a metal ion-containing stream to form a crystallized metal sulfate in a mother liquor. The process or method may comprise returning the mother liquor upstream or to the metal electrowinning process.

Battery Caddy Having Magnetic Retaining Feature

Resumen de: US20260106302A1

A battery holding and dispensing device can hold a plurality of batteries, in a single battery size or an assortment of battery sizes. The battery holding and dispensing device includes a frame having a plurality of compartments sized and shaped to each receive a battery of a particular battery size and each having a magnetic insert for releasably retaining the battery in the compartment. A system is disclosed for inductive charging of batteries held in a caddy.

METHOD FOR CONTROLLING TEMPERATURE OF BATTERY PACK OF ELECTRIC VEHICLE AND CONTROL SYSTEM THEREOF

Resumen de: WO2026077196A1

The present application relates to a method for controlling the temperature of a battery pack of an electric vehicle and a control system thereof. The control method comprises the following steps: an external temperature control device acquires the state of a battery pack from a charging device, the state of the battery pack comprising a charging state; if the battery pack is in the charging state, controlling an inlet temperature of a coolant entering the battery pack from the external temperature control device to be a first target inlet temperature and controlling the flow rate of the coolant to be a first preset flow rate; after the coolant has been inputted into the battery pack for a first preset duration, acquiring a first outlet temperature of the coolant; and on the basis of the first outlet temperature of the coolant and a target outlet temperature threshold of the coolant, controlling the flow rate of the coolant and/or the inlet temperature of the coolant. According to the method for controlling the temperature of a battery pack of an electric vehicle provided in the present application, an external temperature control device is used to perform temperature control on a battery pack of an electric vehicle, and no additional battery pack cooling system needs to be added to the electric vehicle, thereby preventing the weight and costs of the electric vehicle from increasing.

LITHIUM-ION BATTERY

Resumen de: WO2026077090A1

To overcome the problem that existing lithium-ion batteries have difficulty considering both high-temperature performance and low-temperature performance, a lithium-ion battery is provided. The lithium-ion battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode comprises a negative electrode material layer containing a negative electrode material. The non-aqueous electrolyte comprises a non-aqueous organic solvent, a lithium salt, and an additive, the additive comprising vinylene carbonate, lithium difluorophosphate, and ethylene sulfate. The lithium-ion battery satisfies the following conditions: 0.08≤D×A/X≤8, 0.25≤D≤0.9, 0.1≤X≤2.5, and 0.3≤A≤2. D is the D50/D90 ratio of the negative electrode material. X is the mass content ratio of vinylene carbonate to lithium difluorophosphate in the non-aqueous electrolyte. A is the sum of the mass fractions of vinylene carbonate, ethylene sulfate, and lithium difluorophosphate in the non-aqueous electrolyte, the unit being wt%. The lithium-ion battery exhibits better performance under both high-temperature conditions and low-temperature conditions.

BATTERY APPARATUS AND BATTERY PACK

Resumen de: WO2026077190A1

The present application relates to the technical field of new energy batteries, and discloses a battery apparatus and a battery pack. According to the battery apparatus, the pin order of an output terminal is consistent with the pin order of a port of a battery management assembly, which facilitates the electrical connection between the output terminal of the battery apparatus and the port of the battery management assembly, and enhances the structural strength of the output terminal, facilitating an insertion operation between the output terminal and the port of the battery management assembly. The battery apparatus of the present application comprises a main wiring harness, an output terminal, and an adapter circuit board. A plurality of wires are arranged within the main wiring harness. The output terminal is arranged at at least one end of the main wiring harness, and the output terminal is directly electrically connected to a battery management assembly. The adapter circuit board is arranged between the main wiring harness and the output terminal. A signal input port of the adapter circuit board is electrically connected to the main wiring harness. A signal output port is electrically connected to the output terminal. An output branch is arranged between the adapter circuit board and the output terminal. The ratio of the thickness of the adapter circuit board to the length of the output branch along the extension direction of the output branch ranges from 0.003 to 0.06.

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: AU2024388708A1

A battery pack (1000) and an electric device (2000). The battery pack (1000) comprises: a battery management system (10); a plurality of battery modules (20); a circuit board (30); and a connector assembly (40), wherein the plurality of circuit boards (30) are sequentially connected in series to form a circuit board string, and the circuit board string is connected to the battery management system (10) so as to transmit working condition data of battery cells (22) in the battery modules (20) to the battery management system (10).

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Resumen de: US20260106306A1

0000 Provided is a battery module comprising: a plurality of sub-modules arranged along a first direction; one or more connecting members disposed between the plurality of sub-modules, wherein at least one of the plurality of sub-modules is disposed along the first direction; and a housing having an internal space in which the plurality of cell stacks are accommodated, wherein the plurality of cell stacks each include a plurality of battery cells stacked in a second direction perpendicular to the first direction.

Battery Cell, and Battery Module, Battery Pack and Vehicle Including the Same

Resumen de: US20260106310A1

Disclosed is a battery cell capable of reinforcing safety of an electrode tab and controlling an internal pressure of the battery cell, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab coupled to at least one side of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead coupled to the electrode tab and extending from the cell case, a tab protection module accommodated in the cell case and configured to cover at least a portion of the electrode tab, and a venting module coupled to the tab protection module and configured discharge a venting gas out of the cell case.

Materials and Methods of Producing Lithium Cobalt Oxide Materials of A Battery Cell

Resumen de: US20260103395A1

Various lithium cobalt oxides materials having a chemical formula of Lix Coy Oz, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt of a lithium-containing salt, and a cobalt-containing salt within a liquid mixture to be equivalent to a ratio of x:y, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.

INTEGRATED SILICON-CARBON COMPOSITE NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: WO2026076928A1

The present invention provides an integrated silicon-carbon composite negative electrode material and a preparation method therefor. The integrated silicon-carbon composite negative electrode material comprises a carbon-based material matrix, a silicon-carbon composite layer distributed on the surface of the matrix, and an amorphous carbon layer covering the surface of the silicon-carbon composite layer. In the present invention, first vapor deposition is performed, and halogen gas is used to perform heat treatment for conversion so as to form a porous carbon layer having high thickness uniformity, and then amorphous silicon is deposited into pores by means of second vapor deposition. The integrated material prepared by means of the method uses a silicon lattice of silicon carbide to generate pores, thereby solving the problems of non-uniformity and poor stability in the current porous carbon activation process. There is certain bonding at the interface between the porous carbon and graphite, which facilitates connection of a silicon-carbon negative electrode with the surface of the graphite during expansion without detachment.

BATTERY CELL AND BATTERY PACK

Resumen de: WO2026077039A1

The present application relates to the technical field of batteries, and in particular to a battery cell and a battery pack. The battery cell comprises: a casing. A cover plate is welded and connected to the casing to form a weld portion between the casing and the cover plate, and the projected area of the weld portion on the cross section of the casing perpendicular to the depth direction of the casing is S1. A boss portion extending into the casing is formed on the cover plate, and the area enclosed by the outer periphery of the boss portion is S2. The tensile strength of the cover plate is U, (I). According to the present application, by limiting the relationship between S1, S2, and U to satisfy (I), the welding strength between the casing and the cover plate is ensured, and the weld portion is prevented from cracking, thereby ensuring the airtightness of the battery cell, ensuring the use safety of the battery cell, and improving the safety of the battery pack.

BATTERY MODULE AND BATTERY PACK

Resumen de: WO2026076966A1

The present application relates to the technical field of batteries. Disclosed are a battery module and a battery pack. The battery module comprises: battery cells provided with pressure relief valves; and wire harness boards, which form slit portions, the projection of each slit portion facing a first surface at least partially overlapping with each pressure relief valve. The dimensions of residual portions are defined as a; and in the direction of width of the slit portions, the width of the slit portions is defined as b , and the dimensions of the pressure relief valves are defined as c, wherein a, b and c satisfy: c>b, and 0.01≤b/a≤12. In the battery module provided in the present application, by means of defining the range of the ratio of the width b of the slit portions to the dimensions a of the residual portions, when the ratio is excessively large, it indicates that the slit portions are excessively wide and the residual portions are excessively short, making a pressure relief piece easily fly out; and when the ratio is excessively small, it indicates that the slit portions are excessively narrow and the residual portions are excessively long, thereby being unfavorable for the diffusion of a high-temperature media.

CERAMIC COMPOSITE SEPARATOR AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260106320A1

0000 A ceramic composite separator and a method of preparing the ceramic composite separator are provided. The ceramic composite separator includes a polymeric scaffold and a coating including a plurality of ceramic particles, wherein a portion of the plurality of ceramic particles is disposed in the polymeric scaffold. The method of preparing the ceramic composite separator includes providing a polymeric scaffold, forming a coating comprising a plurality of ceramic particles on the polymeric scaffold, and consolidating the coating on the polymeric scaffold to form the ceramic composite separator that includes the consolidated coating on the polymeric scaffold.

CORE CELL STACK ASSEMBLY AND STACKING METHOD THEREFOR, AND BATTERY

Resumen de: US20260106326A1

0000 Provided are a core cell stack assembly and a stacking method therefor, and a battery. The core cell stack assembly includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet in a thickness direction of the core cell stack assembly. An edge of the separator is flush with an edge of the negative electrode sheet and extends beyond an edge of the positive electrode sheet on at least one end of each of the positive electrode sheet, the negative electrode sheet, and the separator.

Battery Management Apparatus and Method

Resumen de: US20260106240A1

A battery management apparatus includes: a profile generating unit configured to obtain a battery profile representing a correspondence between voltage and capacity of a battery and generate a differential profile representing a correspondence between a differential voltage for the capacity of the battery and the capacity or a correspondence between a differential capacity for the voltage of the battery and the voltage based on the obtained battery profile; and a control unit configured to receive the generated differential profile from the profile generating unit, determine a target peak included in the received differential profile according to a rule corresponding to a type of the received differential profile, and determine a state of the battery based on a behavior change of the target peak with respect to a reference peak preset to correspond to the type of the received differential profile.

IMPROVED MULTILAYER POROUS MEMBRANES AND METHODS OF MAKING THE SAME

Resumen de: US20260102994A1

A multilayer membrane comprising at least two co-extruded layers where the two co-extruded layer contain different polymers and one of the two co-extruded layers contains an extrusion additive. Examples of useful extrusion additives may include a nucleating agent or a pore-forming particulate. A method for making the membrane is also disclosed. Using an extrusion additive when co-extruding two different polymers avoids some of the drawbacks associated with processes involving the co-extrusion of different polymers, particularly processes where a co-extruded non-porous precursor is later stretched to form pores. For example, the drawback of lower permeability, difficulty to make lower Gurley, and splittiness may be improved.

CIRCUIT BOARD ASSEMBLY FOR BATTERY APPARATUS

Resumen de: WO2026077230A1

The present application relates to the technical field of circuit boards, and specifically provides a circuit board assembly for a battery apparatus. The circuit board assembly comprises a circuit board main body, a branch structure, and a fixing plate. The circuit board main body comprises a plurality of parallel wires. The branch structure comprises a branch connection portion and a sampling portion. The sampling portion is used to collect battery information. The branch connection portion is provided with through holes, and a welding spot is formed within at least one through hole and is welded to a wire. The fixing plate is connected to the branch connection portion, the width of the fixing plate is W1, and the diameter of the through holes is R, such that 0.01≤R/W1≤2. In the present application, the branch connection portion is welded to a wire of the circuit board main body by means of a through hole having a welding spot, and is reinforced by using the fixing plate, so as to prevent bending and warping of the branch connection portion due to heat during welding. In addition, the ratio of the diameter of the through holes to the width of the fixing plate is properly designed, so that a sufficient fixing effect can be achieved for the branch connection portion, thus the occurrence of bending or even folding is eliminated, and welding is also made reliable, and large local resistance is prevented.

BATTERY DEVICE

Resumen de: WO2026077205A1

The present application relates to the technical field of battery devices. Disclosed is a battery device, comprising a case, wherein at least one cross beam structure is fixedly connected in a cavity of the case, and divides the cavity into at least two accommodating cavities; a battery pack is arranged in the accommodating cavity, and the battery pack comprises at least two battery cells that are arranged in sequence in a first direction; a terminal post of each battery cell is arranged at one end of the battery cell in a second direction; protruding end faces of the terminal posts of the battery cells are arranged perpendicular to a bottom plate; a busbar is arranged between the battery pack and the cross beam structure, and is arranged opposite the cross beam structure; the terminal posts of two adjacent battery cells are connected to each other by means of the busbar; the first direction is perpendicular to the second direction; and a ratio A of the width L1 of the cross beam structure in the second direction to the length L2 of the battery cells in the second direction satisfies 0.15≤A≤0.4. The battery device provided in the present application not only prevents insufficient space utilization caused by an excessively large ratio A, but also prevents insufficient support strength for the battery cells when the ratio A is excessively small.

BATTERY PACK CASE AND BATTERY PACK

Resumen de: WO2026077250A1

The present application provides a battery pack case and a battery pack. The battery pack case comprises a bottom plate and a surrounding frame surrounding the bottom plate, the bottom plate and the surrounding frame forming an accommodating space for accommodating a battery. A connecting beam is welded to the side of the surrounding frame away from the accommodating space, a through hole being provided on the connecting beam. The axis of the through hole is perpendicular to the bottom plate, and an annular gasket is attached to at least one side surface of the through hole. The annular gasket has a central hole, the area of the central hole being less than the area of the through hole, and the annular gasket covering part of the through hole. The length of a welding seam between the connecting beam and the surrounding frame, the length of the connecting beam, and the diameter of the through hole satisfy the following relationship: C=A/B. After the connecting beam is welded to the surrounding frame, the annular gasket is attached to the connecting beam, and part of the through hole is covered. Therefore, by ensuring the precision of the central hole of the annular gasket relative to the connecting beam, the precision of the through hole relative to the connecting beam is ensured.

ADDITIVE FOR RECHARGEABLE LITHIUM BATTERY, ELECTROLYTE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY

Resumen de: US20260106207A1

Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core, and a shell surrounding the core, wherein the core includes a flame retardant, a fire extinguishing agent, a non-combustible material, or a combination thereof, and the shell includes a polymer having a melting point of 90° C. to 120° C.

LITHIUM SECONDARY BATTERY WITH ENHANCED SAFETY

Resumen de: US20260106221A1

0000 The present invention relates to a composition comprising a) at least one fluorinated acyclic carboxylic acid ester and b) at least one halogenated benzene, and to a lithium secondary battery comprising the composition in a liquid electrolyte. The present invention also relates to use of the composition in a liquid electrolyte for a lithium secondary battery.

ADDITIVE FOR RECHARGEABLE LITHIUM BATTERY, ELECTROLYTE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY

Resumen de: US20260106220A1

0000 Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including polyethylene wax, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90° C. to 120° C.

POLYARYLETHERSULFONE COPOLYMER HAVING IMPROVED HYDROPHILICITY

Resumen de: US20260103568A1

A polyarylethersulfone (‘PAES’) copolymer, a process for preparing the PAES copolymer, an article such as a film, fiber, membrane or a part thereof comprising the PAES copolymer, the use of the PAES copolymer in the preparation of an article, a polymer solution comprising the PAES copolymer, and a method for using such article for aqueous medium treatment. The PAES copolymer is a random polymer which comprises at least two types of recurring units, one of which being derived from condensation of a diol and a dihalogenated alkylene oxide, while the other type of recurring units is derived from condensation of the same diol and a dihalodiphenylsulfone. The diol may be aromatic or alicyclic. The dihalogenated alkylene oxide preferably has at most 9 carbon atoms and/or at most 4 oxygen atoms.

BATTERY APPARATUS

Resumen de: WO2026077182A1

The present application provides a battery apparatus. The battery apparatus comprises: a bottom plate, the bottom plate having a side plate, the side plate and the bottom plate being arranged at an angle and arranged in integral connection, the bottom plate and the side plate forming an accommodating space for accommodating a battery, and the top of the side plate having a flange extending toward the accommodating space; and at least one frame, which is arranged at the edge of the bottom plate. The at least one frame is arranged on an inner side of the side plate close to the accommodating space, the side plate covering an outer side surface of the frame, and the flange covering at least part of a top surface of the frame. The frame has two side portions facing the accommodating space and facing away from the accommodating space, a cavity being formed between the two side portions, a through hole being provided on the side of the frame close to the accommodating space, the outer side surface of the frame being welded to the side plate, and/or the top surface of the frame being welded to the flange. The bottom plate of the battery apparatus is configured to be basin-shaped, so that the bottom plate and the side plate are an integrated structure, and the sealing performance is good.

BATTERY CASE AND BATTERY PACK

Resumen de: WO2026077229A1

The present application relates to the technical field of batteries, and discloses a battery case and a battery pack. The battery case comprises a bottom plate, side members, and a cover plate; the side members and the bottom plate jointly define a battery accommodating space; the cover plate is fixed to at least one side member by means of fasteners; the side member has a connecting surface; the connecting surface has a first fixing surface and second fixing surfaces; the first fixing surface is arranged parallel to the bottom plate; the second fixing surfaces are arranged at an included angle with respect to the bottom plate; the height H of the second fixing surfaces in a direction perpendicular to the bottom plate is 200-250 mm. By changing the angle of part of the connecting surface of the side member, the fastening direction of the fasteners at the second fixing surfaces forms an included angle with the vibration direction of the battery case during vibration, thereby enhancing the connection strength of the fasteners, making the cover plate and the side member fixed reliably, ensuring the sealing performance between the side member and the cover plate. The height H of the second fixing surfaces is set to 200-250 mm, thereby ensuring the fixing effect and avoiding waste in costs.

BATTERY ASSEMBLY AND BATTERY PACK

Resumen de: WO2026077189A1

The present application relates to the technical field of new energy batteries, and provides a battery assembly and a battery pack. The battery assembly comprises: a plurality of cylindrical batteries, each cylindrical battery comprising a circumferential surface and end faces; a first cold plate and second cold plates, wherein the second cold plates are arranged perpendicular to the first cold plate, the second cold plates are arranged on both sides of the first cold plate, a plurality of arc-shaped recesses are arranged at intervals on two surfaces of each second cold plate, the cylindrical batteries are arranged on the second cold plates, the circumferential surfaces fit with the arc-shaped recesses, the end faces fit with the first cold plate, a first medium flow channel is provided in the first cold plate, and a second medium flow channel is provided in each second cold plate; a liquid collecting pipe used for communicating the second medium flow channels of the two second cold plates; and a liquid inlet and a liquid outlet respectively provided on the two second cold plates. The first cold plate cools the end faces of the cylindrical batteries, and the second cold plates cool the circumferential surfaces of the cylindrical batteries, thereby ensuring heat dissipation of the cylindrical batteries in an axial direction and a radial direction.

ELECTROLYTE SEPARATOR FOR A SOLID STATE BATTERY

Resumen de: US20260106211A1

0000 A solid electrolyte separator for an electrochemical storage device is described. The solid electrolyte separator comprises: an electrolyte comprising a lithium-ion conductive compound; and a binder comprising a copolymer, wherein the lithium-ion conductive compound comprises sulfur, and the copolymer has a repeating unit comprising a carboxylic acid group or a conjugate base thereof. Also described is a masterbatch product, a method of manufacturing the solid electrolyte separator and an electrochemical storage device.

Electrode Notching Apparatus and Electrode Manufacturing

Resumen de: US20260106132A1

An electrode notching apparatus includes a notching unit configured to form an electrode tab at a non-coated portion of an electrode sheet; a rewinder roller where a connecting sheet is wound; a splicing table whereon the electrode sheet and the connecting sheet are placed a camera unit configured to photograph positions of the electrode sheet and the connecting sheet placed on the splicing table; a guide pointer unit configured to indicate a first reference position of the electrode sheet and a second reference position of the connecting sheet; and a position alignment unit configured to adjust positions of the splicing table and the rewinder roller such that the electrode sheet is aligned with the first reference position and the connecting sheet is aligned with the second reference position. An electrode manufacturing method is also provided herein.

POWER STORAGE DEVICE

Resumen de: US20260106276A1

0000 A power storage device includes an electrode body, an electrode terminal connected to the electrode body, and an exterior body that seals the electrode body. The exterior body is configured from a film-like exterior member and includes a first sealing portion joined to the exterior member in a state where the exterior member envelops the electrode body. The exterior member includes a barrier layer. The power storage device has a resin film for a power storage device disposed at least partially inwards of the barrier layer. The resin film for a power storage device includes at least one among a water absorbent and a gas absorbent.

POWER RECEIVING APPARATUS, BATTERY UNIT, ELECTRIC POWER UNIT, AND WORK MACHINE

Resumen de: US20260106234A1

0000 One aspect of an invention is a power receiving apparatus, configured to be able to receive electric power from a plurality of battery units each including a processor configured to control a power feeding function, the power receiving apparatus comprising a plurality of connection portions capable of electrically connecting the plurality of battery units, wherein the plurality of connection portions are configured such that voltages supplied to the plurality of processors of the plurality of battery units have different values when the plurality of battery units are electrically connected to the connection portions

POSITIVE CURRENT COLLECTOR, POSITIVE ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, BATTERY MODULE, BATTERY PACK, AND DEVICE

Resumen de: US20260106171A1

0000 This application discloses a positive current collector, a positive electrode plate, an electrochemical apparatus, a battery module, a battery pack, and a device. The positive current collector includes a support layer, having two opposite surfaces in a thickness direction of the support layer; and an aluminum-based conductive layer, disposed on at least one of the two surfaces of the support layer. A thickness D<1 >of the aluminum-based conductive layer is 300 nm≤D<1>≤2 μm; a density of the aluminum-based conductive layer is 2.5 g/cm<3 >to 2.8 g/cm<3>; and when a tensile strain of the positive current collector is 2.5%, a sheet resistance growth rate T of the aluminum-based conductive layer is T≤10%. The positive current collector provided in this application has a relatively small weight and higher electrical performance, so that the electrochemical apparatus provides a higher weight energy density and higher electrochemical performance.

BATTERY PACK

Resumen de: WO2026077228A1

The present application relates to the technical field of battery heat exchange. Specifically provided is a battery pack, comprising a battery module, a battery case, and a heat exchange plate arranged at the bottom of the battery case. A plurality of heat exchange channels are provided inside the heat exchange plate, and partition walls are provided between adjacent heat exchange channels; the partition walls include first partition walls having a relatively large thickness and second partition walls having a relatively small thickness. A fixing beam is connected to the top surface of the heat exchange plate; the extension direction of the fixing beam intersects the extension direction of the partition walls. In the present application, the heat exchange plate eliminates the longitudinal beam structure, and have at least some partition walls between a plurality of heat exchange channels thickened; this not only ensures structural strength to resist external forces, but also reduces space occupation compared with additional welding of longitudinal beams, thereby increasing the energy density in the battery case. In addition, the heat exchange plate in the present application can be formed by means of extrusion, making the manufacturing easier, improving production efficiency.

BATTERY AND BATTERY PACK

Resumen de: WO2026077176A1

The present application relates to the technical field of new energy batteries, and discloses a battery and a battery pack. The battery has good heat dissipation performance, can reduce heat accumulation, and alleviates thermal runaway caused by poor heat dissipation of a battery. In the battery of the present application, a battery cell comprises a first tab and a second tab having opposite polarities, wherein the first tab and the second tab are disposed on the same side of the battery cell; and a current collecting assembly comprises a first current collecting member, a second current collecting member, and at least one first through hole, wherein the first through hole is formed in the first current collecting member, the first current collecting member has a first tab connection region and a first pole connection region, the first tab connection region at least partially surrounds the first pole connection region, the first through hole is formed in the first tab connection region, along the radial direction of the first current collecting member, the distance from the first through hole closest to the first pole connection region to the center of the first pole connection region is L1, the distance from a radial outer edge of the first current collecting member to the center of the first pole connection region is L2, and the ratio of the distance L1 to the distance L2 ranges from 0.15 to 0.95.

BATTERY

Resumen de: WO2026076968A1

The present application provides a battery, comprising a cell and an insulating film covering the circumferential side surface of the cell; the cell comprises a positive electrode sheet and a negative electrode sheet; a starting end and a tail end are respectively formed at two ends of the insulating film; on the circumferential side surface of the cell, the tail end of the insulating film is arranged to extend beyond the starting end, so that an overlapping area is formed between the starting end and the tail end; and the product of the dimension of the overlapping area in the circumferential direction of the cell, the elastic modulus of the insulating film, and the cohesion of the negative electrode sheet is in the range of 0.1 to 2000. By adjusting the product of the elastic modulus of the insulating film and the cohesion of the negative electrode sheet, a restraining force applied by the insulating film to the cell is adapted to the cohesion of the electrode sheet, thereby preventing excessive expansion of a cylindrical cell during charging and discharging.

ALKALI METAL OXIDE AND HYDROXIDE REDUCTION IN THE FILM BY EX-SITU SURFACE PASSIVATED LAYER

Resumen de: US20260106143A1

Embodiments of the present disclosure include an anode for a battery including a substrate, a metal film disposed on the substrate, and a film stack disposed on the metal film. The film stack includes a lithium carbonate film and a lithium halide film disposed on the lithium carbonate. The lithium carbonate film is disposed on the metal film.

RECHARGEABLE BATTERY WITH SHAPE MEMORY LAYER FOR ENHANCED SAFETY

Resumen de: US20260106231A1

0000 A battery cell may include a first electrode coupled with a first current collector, a second electrode coupled with a second current collector, and a separator interposed between the first electrode and the second electrode. The battery cell may further include a current controller including one or more shape memory effect (SME) materials in a deformed conformation. The shape memory effect (SME) materials may recover at least partially an original conformation of the shape memory effect (SME) materials in response to one or more stimuli. The current controller may have a lower conductivity when the shape memory effect (SME) materials are in the original conformation than when the shape memory effect (SME) materials are in the deformed conformation such that the shape memory effect (SME) materials recovering the original conformation reduces current flow within the battery cell.

DEVICE AND METHOD FOR GENERATING AN ELECTRODE STACK WITH FLAT ELECTRODE ELEMENTS

Resumen de: US20260106199A1

A device for producing an electrode stack containing flat electrode elements includes a stacking wheel, which is mounted to rotate about a stacking wheel axis and has a plurality of stacking wheel fingers, which define respective intermediate spaces for receiving the electrode elements, and a wiper unit, which is designed to remove the electrode elements one after the other from the respective intermediate spaces through interaction with a rotational movement of the stacking wheel about the stacking wheel axis. The device furthermore includes a receiving unit for successively receiving the electrode elements removed from the intermediate spaces. The receiving unit has a base structure, on which the electrode elements received in the receiving unit can be stacked, and a delimiting element, which forms an end stop for the electrode elements received in the receiving unit and which is arranged statically in relation to the stacking wheel axis.

GLYCIDYL-CONTAINING POLYMERS, POLYMER COMPOSITIONS COMPRISING THEM AND THEIR USE IN ELECTROCHEMICAL CELLS

Resumen de: US20260103555A1

0000 Glycidyl-containing polymers and polymer compositions comprising them are described, as well as their use in electrode materials and/or as coatings for battery components. Also described are electrode materials, electrodes, electrochemical cells and batteries comprising the polymers and their uses.

NETWORK OF METAL FIBERS, METHOD FOR PRODUCING A NETWORK OF METAL FIBERS, ELECTRODE AND BATTERY

Resumen de: US20260106206A1

0000 A network of metal fibers includes a plurality of metal fibers fixed to one another; wherein at least some of the plurality of metal fibers have a length of 1.0 mm or more, a width of 100 μm or less and a thickness of 50 μm or less. A method includes producing a plurality of metal fibers by melt spinning; providing a loose network of metal fibers; and fixating the plurality of metal fibers to one another.

ELECTROLYTE FOR LEAD STORAGE BATTERY AND USE THEREOF

Resumen de: WO2026076964A1

An electrolyte for a lead storage battery, and a use thereof, belonging to the technical field of lead storage battery production. Improving the electrolyte by means of adding a surfactant changes the surface tension of the electrolyte, and can thus slow the phenomenon of delamination of the electrolyte from a source. Additionally, the introduced surfactant forms a stable complex by means of capturing lead ions in the electrolyte, thereby preventing the formation of lead dendrites and reducing the risk of short circuits.

BATTERY

Resumen de: WO2026077178A1

A battery, comprising a casing and a cylindrical jelly roll (1), wherein the casing comprises a terminal assembly, and the cylindrical jelly roll (1) comprises a jelly roll hole (3) and an electrode plate (2); the electrode plate (2) comprises an electrode plate body and a plurality of tabs; the tabs are configured to be electrically connected to the terminal assembly and/or the casing; the electrode plate (2) comprises a wound leading end, and the tabs include a first tab (7); and in the direction of length of the unwound electrode plate (2), the distance between the first tab (7) and the wound leading end is D1, the area of the jelly roll hole (3) is S, and D1/S falls within the range from 3 to 45. By comprehensively adjusting the distance D1 and the area of the jelly roll hole (3), folded-over tabs can be prevented from covering the jelly roll hole (3).

CYLINDRICAL BATTERY COVER PLATE ASSEMBLY AND BATTERY

Resumen de: WO2026077240A1

The present application relates to the technical field of new energy batteries, and discloses a cylindrical battery cover plate assembly and a battery. A tab connection region of the cylindrical battery cover plate assembly has good heat dissipation performance, thereby reducing the problem of heat concentration and prolonging the service life of the battery. In addition, the overcurrent capability of the tab connection region can be ensured, thereby improving the performance of the battery. The cylindrical battery cover plate assembly of the present application is applied to a battery. The battery comprises a battery cell. The battery cell comprises a tab, the tab comprising a positive tab and a negative tab, and the positive tab and the negative tab being provided on the same side of the battery cell. The cylindrical battery cover plate assembly comprises an electrode post and a current collector. The current collector comprises a tab connection region and an electrode post connection region. The tab connection region is connected to the tab, and the electrode post connection region is connected to the electrode post, so as to implement an electrical connection between the tab and the electrode post. The thickness of the electrode post connection region is a, the thickness of the tab connection region is b, and the ratio of the thickness b to the thickness a satisfies 0.2≤b/a<1.

BATTERY DEVICE

Resumen de: WO2026077204A1

The present application provides a battery device, comprising a battery compartment. The battery compartment comprises a bottom plate and an enclosing frame provided at the edge of the bottom plate; the bottom plate and the enclosing frame define an accommodating space for accommodating batteries; the bottom plate is used for supporting the batteries; the battery compartment is of an elongated structure and has a length direction and a width direction; and the ratio of the length to the width of the battery compartment is within a range of 2.1 to 3.5. The battery device further comprises reinforcing beams; the reinforcing beams are fixedly connected to the bottom plate; the reinforcing beams are used for connecting the battery compartment to a vehicle frame; the reinforcing beams are located above the vehicle frame; and the bottom plate is located above the vehicle frame. By providing the reinforcing beams, the vehicle frame can support the battery compartment from below, thereby preventing the bottom plate from sagging downward due to excessive weight of the batteries in the battery compartment.

SECONDARY BATTERY AND NEGATIVE ELECTRODE CURRENT COLLECTOR

Resumen de: US20260106165A1

A secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte having lithium ion conductivity. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes a resin film, and a transition metal layer laminated with the resin film. The resin film includes a base resin layer, and a surface resin layer, and at least the surface resin layer contains a nitrogen-containing resin.

LITHIUM SECONDARY BATTERY, SPACER FOR LITHIUM SECONDARY BATTERY, SPACER MATERIAL, AND INTEGRATED PRODUCT OF SEPARATOR AND SPACER FOR LITHIUM SECONDARY BATTERY

Resumen de: US20260106323A1

0000 Disclosed is a lithium secondary battery including: a positive electrode; a negative electrode; a porous separator disposed between the positive electrode and the negative electrode; a spacer disposed between the separator and at least one of the positive electrode and the negative electrode; and a non-aqueous electrolyte having lithium ion conductivity, wherein, on the negative electrode, lithium metal is deposited during charging, and the lithium metal is dissolved during discharging, the spacer includes insulating particles, a binder resin, and a thickener, the insulating particles have a median diameter in a volume-based particle size distribution, of 1.0 μm to 10 μm, the binder resin includes a polymer compound having a phthalic acid skeleton, and the thickener includes at least one selected from the group consisting of carboxymethyl cellulose and a carboxymethyl cellulose salt. Accordingly, it is possible to obtain a lithium secondary battery including a spacer with excellent physical properties.

OXIDE, METHOD FOR PRODUCING SAME, SOLID ELECTROLYTE, AND POWER STORAGE DEVICE

Resumen de: US20260106213A1

The present invention provides a novel zirconium phosphate-based oxide exhibiting high Li conductivity and a method for producing the oxide. The present invention further provides a solid electrolyte and a power storage device using the oxide. An oxide satisfying formula (1) below: Li1+x+y−zM1xZr2−xM2yM3zP3−y−zO12 . . . (1) (in formula (1), M1 contains Fe or In, M2 contains Si, M3 contains W, and x>0, y≥0, z≥0, and y+z>0 are satisfied).

BATTERY PACK CASE AND BATTERY PACK COMPRISING SAME

Resumen de: US20260106290A1

0000 A battery pack case is disclosed. The battery pack case of the present disclosure may include: a bottom plate; a side case extending upward from a periphery of the bottom plate, and forming an accommodation space together with the bottom plate; and a partition unit positioned on an upper surface of the bottom plate, and configured to partition the accommodation space, wherein the partition unit includes: a partition support module coupled to the bottom plate; and a partition insulation module coupled to the partition support module, and forming an insulation space as a hollow section therein.

BATTERY AND BATTERY MODULE

Resumen de: WO2026077177A1

The present application relates to the technical field of batteries, and discloses a battery and a battery module. The battery comprises: a casing, at least one end of the casing having an opening; and a cover plate covering the opening of the casing. The edge of the cover plate facing the inner side of the casing is provided with a chamfer, so that the lower side of the cover plate can decrease in size towards the casing, and the chamfer is at least partially embedded into the interior of the casing. The height of the chamfer in the thickness direction of the cover plate is a1, the thickness of the cover plate is a2, and the ratio of a1 to a2 is a; and the Vickers hardness of the casing is b, with units of hv, and 0.0005≤a/b≤0.014. The present application solves the problem of difficulty in assembling the casing and the cover plate, or the problem of a gap generated due to excessive deformation of the cover plate or the casing during assembly.

SECONDARY BATTERY POSITIVE ELECTRODE, SECONDARY BATTERY, AND PRODUCTION METHOD FOR SECONDARY BATTERY POSITIVE ELECTRODE

Resumen de: US20260106177A1

A secondary battery positive electrode includes a belt-shaped positive electrode current collector with two regions and a positive electrode mixture thereon. The first region being at both ends and the second region is a central area. The positive electrode mixture layer includes a first positive electrode mixture layer carried on the first region and a second positive electrode mixture layer carried on the second region. The positive electrode mixture layer includes a first positive electrode mixture layer on the first region and a second positive electrode mixture layer on the second region. An average particle diameter D1 of a first positive electrode active material of the first positive electrode mixture layer is 1 μm or more and 7 μm or less. An average particle diameter D2 of a second positive electrode active material of the second positive electrode material layer is 9 μm or more and 30 μm or less.

CURRENT COLLECTORS FOR BATTERY ELECTRODES

Resumen de: US20260106173A1

A device can include a battery electrode that comprises a substrate having one or more polymeric materials and a layer disposed on the substrate. The layer can include one or more conductive materials, have a thickness no greater than 12 micrometers, and have a porosity of at least 5% by volume. Additionally, an electrode layer including a seed layer can comprise a number of fused nanoparticles. The electrode layer can also include a lithium metal layer disposed on the number of fused nanoparticles. The electrode layer can be formed by producing, on a polymeric current collector layer, a seed layer that includes nanoparticles. A formulation to form the seed layer can include nanoparticles having ligands and then removing the ligands using one or more thermal and/or one or more chemical treatment processes. The seed layer can be electrically conductive, acting as the current collector when disposed on a polymeric substrate.

ELECTRONIC DEVICE

Resumen de: US20260104740A1

0000 A highly convenient electronic device used while being worn on a body is provided. The electronic device is an arm-worn electronic device including a display panel, a power storage device, a circuit, and a sealing structure. The display panel displays an image with power supplied from the power storage device. The circuit includes an antenna and charges the power storage device wirelessly. Inside the sealing structure, the display panel, the power storage device, and the circuit are provided. The sealing structure includes a portion that transmits visible light. The sealing structure can be worn on an arm or is connected to a structure body that can be worn on an arm.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREOF

Resumen de: US20260103382A1

0000 The present invention relates to a carbon nanotube dispersion and a preparation method thereof, wherein the carbon nanotube dispersion includes carbon nanotubes, a first dispersant which is carboxyalkyl cellulose having a weight average molecular weight of 9,000 g/mol or less, a second dispersant which is polyvinyl butyral (PVB), and a solvent, and the carbon nanotube dispersion of the present invention has a low initial viscosity and a low viscosity change rate, and thus, is excellent in storage stability and processability.

Battery Unit, Method and Apparatus for Operating the Battery Unit

Resumen de: US20260103114A1

0000 A battery unit includes at least one string of battery modules and a low-voltage switching unit connectable to multiple low-voltage loads. The battery modules are electrically connected in series. Each battery module includes a plurality of battery cells electrically connected in series. Each battery module includes a balancing circuit with an output port and multiple input terminals connectable to the battery cells of the respective battery module. The output ports of the balancing circuits are connected to the low-voltage switching unit. Each of the balancing circuits is configured to provide on its output port an output voltage with a predetermined voltage value and to extract energy from a selected battery cell or from selected battery cells which are connected to the balancing circuit and to provide the energy at least partly as power supply to at least one of the low voltage loads connected to the low-voltage switching unit.

Method For Synthesising A Material For A Lithium-Ion Battery Consisting Of Nanoporous Lithium Iron Phosphate Particles

Resumen de: US20260103380A1

0000 The invention concerns a method for synthesizing a lithium-ion battery material consisting of nanoporous lithium iron phosphate particles (1), the method comprising the following steps: (E1) forming a precipitation solution by mixing a lithium source (4), an iron(II) source (5), a phosphorus source (6), a reducing agent (8) and carbon nano-objects (7) in a solvent so as to coprecipitate lithium, iron and phosphorus around the carbon nano-objects in the form of particles, referred to as LFP/C (9), lithium iron phosphate particles incorporating the carbon nano-objects; (E2) separating the LFP/C (9) particles from the precipitation solution; (E3) drying the LFP/C particles (9); (E4) calcining the LFP/C particles (9) so as to decompose the carbon nano-objects (7) incorporated in the particles, the decomposition of the nano-objects (7) generating nanopores (3) within the lithium iron phosphate particles.

COVER PLATE ASSEMBLY AND BATTERY

Resumen de: US20260106348A1

The present disclosure provides a cover plate assembly and a battery. The cover plate assembly is mounted on a shell with an accommodation cavity, and includes: a cover plate, provided with a first mounting hole in communication with the accommodation cavity; a collection component, located in the accommodation cavity and configured to acquire parameter information inside the shell; a lower connection part, of which a first end is located in the first mounting hole and a second end is communicatively connected with the collection component; and, an upper connection part, of which a first end is detachably communicatively connected with the first end of the lower connection part and a second end passes through the first mounting hole.

PREDICTION DEVICE, ENERGY STORAGE APPARATUS, PREDICTION METHOD, AND PREDICTION PROGRAM

Resumen de: US20260104464A1

A prediction device includes a controller configured or programmed to include a first predictor configured or programmed to predict voltage behavior of an energy storage device when a current is carried with a current carrying pattern including sections, using an energy storage device model, and a second predictor configured or programmed to predict charge-discharge performance of the energy storage device based on the voltage behavior predicted by the first predictor. The first predictor is configured or programmed to predict the voltage behavior for each of the sections obtained by dividing the current carrying pattern by a time width, and the first predictor stops predicting the voltage behavior in one of the sections in which a current change amount in the current carrying pattern is less than a threshold.

CURRENT-CARRYING COMPONENT FOR SECONDARY BATTERY

Resumen de: US20260106333A1

A current-carrying component for use in a secondary battery includes a plurality of metal foil members stacked one on top of another in the thickness direction of the metal foil members. Two or more through-holes are formed to extend through the metal foil members in the thickness direction of the plurality of metal foil members. The plurality of metal foil members are welded together by solid-phase welding to form a welded portion, which form a rim surrounding the through-hole. The inner peripheral surface of the welded portion constitutes the inner peripheral surface of the through-hole. A circular ring-shaped protrusion is provided at one end of the welded portion.

METHOD FOR TREATING LITHIUM-CONTAINING SUBSTANCE AND DEVICE FOR TREATING LITHIUM-CONTAINING SUBSTANCE

Resumen de: AU2024348186A1

In the present invention, the following steps are carried out: a leaching step S01 in which a lithium-containing substance is immersed in an acidic solution to leach lithium into the acidic solution, thereby obtaining a lithium leachate; a heavy metal and first fluorine precipitation step S02 in which a first calcium compound is added to the lithium leachate to produce a metal hydroxide precipitate and a fluorine-containing precipitate; a first solid-liquid separation step S03 in which the precipitated metal hydroxide precipitate and fluorine-containing precipitate are removed from the lithium leachate; a second fluorine precipitation step S04 in which a second calcium compound is added to the lithium leachate from which the precipitates have been removed, to precipitate dissolved fluorine; and a second solid-liquid separation step S05 in which the precipitated dissolved fluorine and unreacted second calcium compound are removed from the lithium leachate.

BATTERY MODULE, BATTERY PACK, EXPLOSION VENTING PIPE ASSEMBLY, INSTALLATION PLATFORM, AND BATTERY PACK ASSEMBLY

Resumen de: AU2024348939A1

A battery module (15), a battery pack (16), an explosion venting pipe assembly (13), an installation platform, and a battery pack assembly. The battery module (15) comprises a case (11) and multiple cells (12) arranged in the case (11); an internal cavity of each cell (12) is in communication with an internal cavity of the case (11); explosion venting pipe assemblies (13) in communication with the internal cavity of the case (11) are disposed on the case (11); the explosion venting pipe assemblies (13) are configured to be connected to an explosion venting pipe manifold (19). The explosion venting pipe manifold (19) connects the explosion venting pipe assemblies (13) of all the battery modules (15) in the battery pack (16). When a cell (12) in any battery module (15) in the battery pack (16) undergoes thermal runaway, fumes generated during the thermal runaway of the cell (12) can be exhausted via the explosion venting pipe manifold (19), thereby reducing the risk of thermal runaway diffusion and burst of the battery modules (15) or even the battery pack (16) and an energy storage container.

METHOD AND APPARATUS FOR DETECTING AND EVALUATING GRADUAL FAULT IN LITHIUM BATTERY, DEVICE AND STORAGE MEDIUM

Resumen de: WO2026076832A1

Disclosed in the present invention are a method and apparatus for detecting and evaluating a gradual fault in a lithium battery, a device and a storage medium. The method comprises: according to terminal voltages of each battery cell in a lithium-ion battery pack and median terminal voltages, generating a corresponding differential voltage curve and a corresponding median differential voltage curve; for each battery cell, calculating a Mahalanobis distance between the corresponding differential voltage curve and the median differential voltage curve, and when the Mahalanobis distance is greater than a preset threshold, determining that a micro-short circuit fault has occurred in the battery cell; acquiring a first charging voltage curve of a first discharging-charging cycle and a second charging voltage curve of a second discharging-charging cycle during two adjacent discharging-charging cycles of the battery cell; and calculating a micro-short circuit current and a micro-short circuit resistance of the battery cell, and evaluating the fault severity of the lithium-ion battery pack. The present invention can improve the accuracy of gradual fault detection and the efficiency of fault severity evaluation for lithium batteries.

FLAME-RETARDANT FLEXIBLE SOLID ELECTROLYTE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026077274A1

A flame-retardant flexible solid electrolyte material, and a preparation method therefor and the use thereof. The preparation method comprises: dispersing a lithium salt in perfluoropolyether alcohol, so as to obtain a mixture; and using the mixture to modify a fluorine-containing polymer, so as to obtain a flame-retardant flexible solid electrolyte material.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026077132A1

A secondary battery and an electronic device, comprising an electrode assembly. The electrode assembly comprises a negative electrode sheet and a positive electrode sheet. The negative electrode sheet comprises a negative electrode current collector, a first negative electrode active layer, and a first negative electrode tab. Along a thickness direction of the negative electrode current collector, the negative electrode current collector comprises a first surface and a second surface opposite to each other, the first surface being provided with the first negative electrode active layer. The first negative electrode active layer is provided with a first groove, and the first negative electrode tab is disposed in the first groove and electrically connected to the negative electrode current collector. The positive electrode sheet comprises a positive electrode current collector and a first positive electrode active layer. The surface of the positive electrode current collector facing the first negative electrode active layer is provided with the first positive electrode active layer. A first insulating layer is provided between the positive electrode current collector and the first positive electrode active layer. Along a thickness direction of the positive electrode current collector, a projection of the first insulating layer onto the surface of the first negative electrode active layer at least partially overlaps with the first groove. The secondary battery and the electronic

METHOD FOR CONTROLLING AN ENERGY STORAGE SYSTEM TO INFLUENCE THE BALANCING OF THE SYSTEM

Resumen de: AU2024345257A1

An energy storage system comprises an energy storage node that includes a plurality of battery storage elements and a control subsystem to receive battery data from the battery storage elements. The energy storage system further includes a power conversion system (PCS) and a control system coupled to the energy storage node and the PCS. The control system, the control subsystem, or both are configured to: receive or store battery charge and discharge characteristics of the battery storage elements during a plurality of operating conditions of the battery storage elements, the PCS, or both; and run the battery storage elements of the energy storage node at one or more selected operating conditions of the plurality of operating conditions based on the battery charge and discharge characteristics to reduce an imbalance in state of charge among the battery storage elements of the energy storage node.

SYSTEM AND METHOD FOR IDENTIFYING ATYPICAL CONDITIONS IN COMPOUND ENERGY STORAGE SYSTEMS

Resumen de: AU2024345923A1

A system includes a plurality of energy storage nodes, a power conversion system (PCS), a plurality of sensors to detector or monitor system data that includes component data from or about one or more components of the energy storage system, and a control and management system. Each of the energy storage nodes include a battery storage element. The component data includes battery data, PCS data, or a combination thereof. Control and management system is configured to receive or store the system data; apply analytical models to system data to predict or identify an atypical condition relating to a weakness, damage, or a changed condition in the one or more components of the energy storage system; and responsive to the atypical condition, optimize a maintenance plan for the energy storage system. Components of the energy storage system can include a battery storage element, a power conversion system, or a transformer.

SYSTEM AND METHOD OF USING A HELICAL PILE AS A FOUNDATION TO ATTACH TO A BATTERY ENERGY STORAGE SYSTEM

Resumen de: AU2024343521A1

An energy storage system includes a plurality of energy storage nodes, each of which includes a battery storage element, and a plurality of helical piles for coupling the plurality of energy storage nodes to a solid substratum. Two adjacent energy storage nodes share a single helical pile or a fixed number of the plurality of helical piles is determined by site soil and seismic conditions. A method for attaching an energy storage system to a solid substratum is also provided.

HOUSING ASSEMBLY, ELECTRICAL MODULE, AND ENERGY STORAGE DEVICE

Resumen de: US20260107411A1

A housing assembly includes a housing and a fan disposed on the housing; The housing includes a front wall and a rear wall disposed opposite to each other along a first direction, a first sidewall and a second sidewall disposed opposite to each other along a second direction, and a top wall and a bottom wall disposed opposite to each other along a third direction, The top wall includes a first opening, and the first sidewall includes a second opening. The housing includes a first accommodation space and an air duct. The air duct communicates with an external space of the housing, the first opening, and the second opening. The fan is configured to drive an airflow into the air duct through one of the first opening or the second opening, and out of the air duct through the other of the first opening or the second opening.

SEPARATOR AND METHOD FOR PREPARING THE SAME, BATTERY, ENERGY STORAGE APPARATUS, AND ELECTRICITY-CONSUMPTION DEVICE

Resumen de: US20260106318A1

Provided are a separator and a method for preparing the same, a battery, an energy storage apparatus, and an electricity-consumption device. The separator includes a base film and an adhesive layer arranged on at least one surface of the base film. The adhesive layer includes a plurality of adhesive dots distributed in a dot-array pattern. A thickness of each of the plurality of adhesive dots gradually decreases from an edge of the adhesive dot to a center of the adhesive dot.

MODIFIED GRAPHITE NEGATIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026077093A1

The present invention provides a modified graphite negative electrode material, and a preparation method therefor and a use thereof. In the present invention, sulfonated graphene and aminated carbon nanotubes are first dispersed in water so that electrostatic interactions between sulfonic acid groups on the surface of the sulfonated graphene and amino groups in the aminated carbon nanotubes are enabled for self-assembly and binding to obtain a three-dimensional network composite having the characteristics of high elasticity and high stiffness, i.e., sulfonated graphene/carbon nanotubes; then the surface of graphite is coated with the three-dimensional network composite to obtain sulfonated graphene/carbon nanotube-coated graphite; and the sulfonated graphene/carbon nanotube-coated graphite is subsequently mixed with asphalt and fused with an inorganic nanomaterial in sequence, followed by carbonization treatment, thereby forming a modified graphite negative electrode material in which the sulfonated graphene/carbon nanotubes serve as an inner shell, amorphous carbon and the inorganic nanomaterial serve as an outer shell, and graphite serves as a core. The modified graphite negative electrode material can simultaneously achieve high rate performance, high energy density, and high initial coulombic efficiency.

REFERENCE ELECTRODE, LONG-LIFESPAN THREE-ELECTRODE BATTERY AND PREPARATION METHOD THEREOF, AND METHOD FOR RECOVERING CAPACITY OF BATTERY

Resumen de: US20260106345A1

0000 Provided are a reference electrode, a long-lifespan three-electrode battery and a preparation method thereof and a method for recovering capacity of a battery. The reference electrode includes a current collector, an active layer, and an anti-oxidation layer, the active layer and the anti-oxidation layer being sequentially coated on a surface of the current collector, wherein a material of the active layer includes one selected from the group consisting of a lithium-ion battery active material and a sodium-ion battery active material; and a content of the material of the active layer in the reference electrode is in a range of 0.05-0.08 g/cm<2>; and a material of the anti-oxidation layer comprises a solid-state electrolyte.

METHOD FOR PURIFYING BIS(FLUOROSULFONYL)IMIDE, PURIFIED BIS(FLUOROSULFONYL)IMIDE, AND BIS(FLUOROSULFONYL)IMIDE SALT

Resumen de: WO2026077233A1

Provided in the present application are a method for purifying bis(fluorosulfonyl)imide, purified bis(fluorosulfonyl)imide, and lithium bis(fluorosulfonyl)imide. The purification method comprises an operation of removing impurities using an impurity removal agent, the impurity removal agent comprising a bis(fluorosulfonyl)imide salt; mixing the impurity removal agent with bis(fluorosulfonyl)imide to be purified, so that fluorosulfonic acid in the bis(fluorosulfonyl)imide to be purified and the bis(fluorosulfonyl)imide salt undergo an ion exchange reaction to obtain a liquid phase mixture; separating the liquid phase mixture to obtain purified bis(fluorosulfonyl)imide, a molar ratio of bis(fluorosulfonyl)imide anion to fluorosulfonate anion is 1: 1 or more; and controlling a reaction temperature to be 20 °C or more in the step of the bis(fluorosulfonyl)imide salt and the fluorosulfonic acid undergoing the ion exchange reaction.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: US20260106152A1

Disclosed is a positive electrode for all-solid-state battery and an all-solid-state battery comprising same. More specifically, the positive electrode active material layer of the positive electrode comprises a positive electrode active material, a sulfide-based solid electrolyte, and a conductive material, wherein the particle diameter of the conductive material is between the particle diameter of the positive electrode active material and the particle diameter of the sulfide-based solid electrolyte, which may thereby increasing the contact interface between the positive electrode active material and the sulfide-based solid electrolyte while decreasing the porosity of the positive electrode as a whole, so that the conductivity of the positive electrode can be maintained and the effect of increasing the energy density of the cell without a decrease in cell performance can be achieved.

BATTERY DIRECT COOLING SYSTEM AND CONTROL METHOD

Resumen de: WO2026076784A1

The present application relates to the technical field of battery direct cooling, and specifically refers to a battery direct cooling system and a control method. A direct cooling plate is comprised. The direct cooling plate is provided with a refrigerant flow channel and a condensed water flow channel. The refrigerant flow channel has a refrigerant flowing within and is in communication with a refrigerant inlet and a refrigerant outlet on the direct cooling plate. Condensed water discharged by an air conditioning system flows within the condensed water flow channel, and a water intake structure and a water discharge structure are provided on the condensed water flow channel. The battery direct cooling system of the present application has a simple structure, can fully utilize condensed water of an air conditioning system to cool a battery pack, reduces the cooling energy consumption of the battery pack to the greatest extent, has extremely high heat exchange efficiency, is light in weight, has great cost advantages, can effectively reduce the power consumption of the system, and maintains the optimal battery temperature, thereby improving the range of the entire vehicle.

Batterie

Resumen de: DE102025134585A1

Die erfindungsgemäße Batterie umfasst eine Montageplatte (3), mehrere auf der Montageplatte angeordnete Batteriezellen (2), und ein mit der Montageplatte thermisch verbundenes Kühlsystem (4) zum Kühlen der Batteriezellen, wobei die Montageplatte eine Struktur aus einem thermisch leitenden ersten Material (5) und einem thermisch isolierenden zweiten Material (6) umfasst, wobei die Struktur so ausgebildet ist, dass die Batteriezellen (2) über das erste Material (5) mit dem Kühlsystem thermisch verbunden sind, und benachbarte Batteriezellen (2) einer Batteriezelle durch das zweite Material von dem diese Batteriezelle thermisch verbindenden ersten Material (5) thermisch getrennt sind.

UNINTERRUPTIBLE POWER SUPPLY DEVICE

Resumen de: US20260106487A1

An uninterruptible power supply device has a normal mode of supplying a load with electric power supplied from an AC power supply, a backup mode of supplying the load with electric power stored in a storage battery during a power failure, and a deterioration diagnosis mode of diagnosing a deteriorated state of the storage battery. A controller periodically shifts to the deterioration diagnosis mode during execution of the normal mode. During execution of the deterioration diagnosis mode, the controller stops charging of the storage battery by stopping an operation of the power converter. The controller measures a voltage of the storage battery at a first timing after a lapse of a first time period from stopping charging of the storage battery, and diagnoses the deteriorated state of the storage battery based on a measured value of the voltage of the storage battery at the first timing.

BATTERY CELL AND TERMINAL DEVICE

Resumen de: WO2026077125A1

A battery cell and a terminal device. The battery cell comprises an electrode assembly, wherein the electrode assembly comprises a first electrode sheet, a separator, and a second electrode sheet that are wound. The electrode assembly comprises a first straight section, a first bent section, a second straight section, and a second bent section that are connected in sequence, wherein the first straight section and the second straight section are arranged opposite to each other along a first direction, and the first bent section and the second bent section are arranged opposite to each other along a second direction. The first electrode sheet comprises a first current collector and a first active material layer, and along the thickness direction of the first current collector, the first active material layer is arranged on one side of the first current collector. Multiple first grooves are formed on the surface of the first active material layer facing away from the first current collector. When viewed along the second direction, a first reference line passes through the first bent section along a third direction, and multiple first grooves on at least one layer of the first bent section intersect with the first reference line at first intersection points, wherein the number of first intersection points is N1, and 60≤N1/W1≤1000. The battery facilitates reduction of the risk of lithium plating.

FLAME-RETARDANT POLYURETHANE REACTION SYSTEM AND USE THEREOF

Resumen de: WO2026076770A1

Disclosed in the present disclosure are a polyurethane reaction system, a use thereof in encapsulation of an automobile battery product, and an automobile battery product comprising a cured product of the polyurethane reaction system. In the polyurethane reaction system of the present disclosure, a polyol component and/or an isocyanate component comprise at least one phosphate flame retardant F1 that is a solid at 25℃, and the phosphate flame retardant F1 is dissolved at 25℃ in the polyol component and/or the isocyanate component, and forms a storage-stable polyol flame retardant liquid mixture and/or a storage-stable isocyanate flame retardant liquid mixture.

METHOD FOR PREDICTING CYCLE PERFORMANCE OF BATTERY, AND DEVICE AND STORAGE MEDIUM

Resumen de: WO2026076808A1

The present application discloses a method for predicting the cycle performance of a battery, and a device and a storage medium. The method for predicting the cycle performance of a battery comprises: acquiring performance characteristics of a battery under prediction from early-stage usage data of said battery; and performing prediction processing on the performance characteristics on the basis of a pre-trained cycle performance prediction model to obtain a cycle performance index of said battery.

WIRELESS COMMUNICATION METHOD AND BATTERY MANAGEMENT SYSTEM BASED ON WIRELESS COMMUNICATION

Resumen de: WO2026077403A1

Provided in the present invention are a wireless communication method and a battery management system based on wireless communication. The method comprises: generating several communication paths on the basis of the communication quality between a plurality of cell management units and a battery management unit, wherein each cell management unit is used for collecting operating data of a battery pack and sending the operating data to the battery management unit; controlling the battery management unit to generate a control instruction on the basis of the received operating data, and forwarding the control instruction to the cell management unit by means of a communication path, wherein the battery management unit is in wireless communication with each cell management unit; and controlling the cell management unit to perform, on the basis of the received control instruction, cell management on a battery pack connected to the cell management unit, wherein the cell management unit is connected to at least one battery pack, and each battery pack comprises several cells. The present invention can improve the reliability of communication between a battery management unit and a battery management unit.

Electrode Comprising Active Material Layer Having Double-Layered Structure, and Secondary Battery Comprising Same

Resumen de: US20260106208A1

An electrode for a secondary battery comprises: a current collector; a lower active material layer formed on at least one side of the current collector; and an upper active material layer formed on the lower active material layer. The lower active material layer comprises a first lithium iron phosphate active material, a lithium nickel oxide active material, and a needle-type conductive material. The upper active material layer comprises a second lithium iron phosphate active material and sphere-type conductive material. A ratio of a content of a sum of the first lithium iron phosphate material and the second lithium iron phosphate active material to a content of the lithium nickel oxide active material is in a weight ratio range of from 55 to 70:30 to 45. A total average loading amount of the upper and lower active material layers is in a range of from 300 mg/25 cm2 to 900 mg/25 cm2.

ELECTRODE FORMING DEVICE AND COATING METHOD

Resumen de: WO2026076949A1

The present invention discloses an electrode forming device and a coating method. The electrode forming device comprises a double-cone extrusion mechanism, a double-steel-belt calendering mechanism, an edge trimming mechanism, a four-roller mechanism, and a winding and unwinding mechanism; the double-cone extrusion mechanism is used for mixing and extruding materials; the double-steel-belt calendering mechanism is used for calendering the extruded materials into a film sheet; the edge trimming mechanism is used for trimming the edge of the film sheet; the four-roller mechanism is used for performing a secondary thinning operation on the film sheet and compounding the film sheet with a current collector; and the winding and unwinding mechanism is used for performing winding and unwinding operations on the compounded electrode sheet. The coating method comprises the following steps: S1, material treatment; S2, preliminary film formation; S3, film sheet trimming; S4, secondary thinning; S5, A-side compounding; S6, semi-finished product winding; S7, semi-finished product unwinding; S8, B-side compounding; and S9, finished product winding. The film formation quality of the film sheet can be improved, the consistency and uniformity of film formation can be ensured, the requirements for press rollers can be reduced, and the service life of the press rollers can be prolonged.

BATTERY CASE AND MANUFACTURING METHOD THEREFOR, AND BATTERY PACK

Resumen de: WO2026076892A1

Provided in the present application are a battery case and a manufacturing method therefor, and a battery pack. The battery case comprises a case body, wherein the case body comprises a middle plate and a first end plate, with the first end plate being arranged at one end of the middle plate in the direction of the length of the case body; the middle plate and the first end plate are enclosed to form at least a part of a battery mounting cavity; and a first welding line is provided at the joint of the middle plate and the first end plate, and the middle plate and the first end plate are located on two opposite sides of the first welding line in the direction of the length of the case body.

SECONDARY BATTERY EVALUATION SYSTEM

Resumen de: US20260104467A1

A secondary battery evaluation system includes a battery pack including a plurality of secondary battery cells, a voltage detection circuit that detects a terminal-to-terminal voltage value of the battery pack, a current detection circuit that detects a current value of the battery pack, a test secondary battery including at least one battery cell manufactured from the same material as the secondary battery cell, and a test power supply circuit that controls charge and discharge of the test secondary battery. The test power supply circuit sets a test charge voltage value and a test charge current value for the test secondary battery based on a terminal-to-terminal voltage value and a current value during charging of the battery pack, charges the test secondary battery with the test charge voltage value and the test charge current value, sets a test discharge voltage value and a test discharge current value for the test secondary battery based on a terminal-to-terminal voltage value and a current value during discharging of the battery pack, and discharges the test secondary battery with the test discharge voltage value and the test discharge current value to perform a simulation of charge and discharge of the battery pack. The test power supply circuit acquires SOC-OCV data of the test secondary battery by performing charge and discharge of the test secondary battery independently of driving of the battery pack at the time of measurement of SOC-OCV data.

ELECTRICITY STORAGE SYSTEM

Resumen de: US20260106468A1

0000 An electricity storage system includes a plurality of strings, a solar power generation device, and an array system that executes control of matching voltage, phase, and frequency of a slave string with those of a master string. The array system acquires information on a remaining discharge power capacity and a remaining charge power capacity of each of the plurality of strings, determines a string having the remaining discharge power capacity equal to or less than a first threshold and a string having the remaining charge power capacity equal to or less than a second threshold as a low-capacity string, and selects the master string based on a total value of the remaining discharge power capacity and the remaining charge power capacity of each master candidate string excluding the determined low-capacity string.

GRAPHITE ANODE MATERIAL FOR LITHIUM BATTERY AND PREPARATION METHOD THEREFOR

Resumen de: WO2026077069A1

Provided in the present invention are a graphite anode material for a lithium battery and a preparation method therefor. The preparation method comprises the following steps: (1) preparing a modified phenolic resin; (2) adding natural graphite and the modified phenolic resin to a reaction kettle, continuing to add modified graphene, and performing stirring and heating coating in a nitrogen atmosphere, specifically: first increasing the temperature to 150-200 °C at 1-2 °C/min, maintaining the temperature for 100-120 min, then increasing the temperature to 550-600 °C at 4-6 °C/min, maintaining the temperature for 180-200 min, and cooling to obtain coated graphite; and (3) placing the coated graphite in an atmosphere furnace for carbonization and sieving to obtain the graphite anode material for the lithium battery. When the anode material of the present invention is used for preparing the lithium battery, the capacity retention rate is high, the rate performance is good, the impedance is low, and the lithium precipitation point for fast charging is high.

ENERGY STORAGE APPARATUS

Resumen de: US20260106296A1

0000 An energy storage apparatus includes a plurality of energy storage devices aligned in a first direction, an end plate located at an end portion of the plurality of energy storage devices in the first direction, and a side plate located at an end portion of the plurality of energy storage devices in a second direction intersecting the first direction. The end plate includes an end plate connecting portion connected to the side plate. The side plate includes a first portion extending in the first direction, a second portion extending from the first portion in the second direction and is connected to the end plate connecting portion, and a third portion extending from the second portion in the first direction along an installation surface of the energy storage apparatus and fixed to the installation surface.

Current Collector Apparatus

Resumen de: US20260106172A1

A current collector apparatus is provided. In one aspect, a current collector includes a first metallic layer, a second metallic layer, and a porous polymeric layer positioned between the first metallic layer and the second metallic layer. In another aspect, a current collector employs a porous polymeric layer including pores and metallic particles disposed therein. The metallic particles electrically connect the first and second metallic layers. Each of a first metallic layer and a second metallic layer has a first average thickness that is about 1 nanometer to about 5 micrometers, a porous polymeric layer has a second average thickness that is about 10 nanometers to about 200 micrometers, and/or the current collector has a third average thickness that is about 12 nanometers to about 210 micrometers.

ELECTRIC WORKING MACHINE AND METHOD OF CONTROLLING ELECTRIC WORKING MACHINE

Resumen de: US20260106567A1

An electric working machine includes a battery assembly, an electric actuator to be actuated by electricity supplied by the battery assembly, a working device to be actuated by the electric actuator being driven, a plurality of temperature detectors to each detect a temperature of the battery assembly, a controller configured or programmed to calculate a first temperature of the battery assembly based on temperatures detected by the plurality of temperature detectors, and a display to display the first temperature calculated by the controller. The controller is configured or programmed to calculate the first temperature based on a lowest temperature of the temperatures detected by the plurality of temperature detectors, a highest temperature of the temperatures detected by the plurality of temperature detectors, and a weighting value to assign weights such that a weight assigned to the lowest temperature increases as the lowest temperature decreases.

TERMINAL POST, TERMINAL ASSEMBLY AND BATTERY

Resumen de: WO2026076847A1

Provided in the present application are a terminal post, a terminal assembly and a battery. The terminal post comprises: a base having a first surface; and a post body arranged on the first surface, wherein the post body has a second surface facing away from the base, the second surface being provided with a thermally conductive groove filled with a thermally conductive material.

ELECTRIC WORKING MACHINE AND METHOD OF CONTROLLING ELECTRIC WORKING MACHINE

Resumen de: US20260103872A1

An electric working machine includes a battery assembly, an electric actuator to be actuated by electricity supplied by the battery assembly, a working device to be actuated by the electric actuator, a temperature detector to detect a temperature of the battery assembly, and a controller configured or programmed to control, according to the temperature of the battery assembly, a first upper limit of a charging current supplied to the battery assembly. The controller is configured or programmed to switch between a first mode in which the controller controls the charging current based on a first correspondence relationship in which temperatures of the battery assembly and first upper limits are associated with each other, and a second mode in which the controller controls the charging current based on a second correspondence relationship in which the first upper limits are lower than in the first correspondence relationship at one or more temperatures.

SECONDARY BATTERY, ELECTRICAL DEVICE, AND PREPARATION METHOD FOR SECONDARY BATTERY

Resumen de: WO2026077130A1

Embodiments of the present application provide a secondary battery, an electrical device, and a preparation method for the secondary battery. The secondary battery comprises an electrode assembly. The electrode assembly comprises a first electrode plate located at an outermost layer thereof. The first electrode plate comprises a first current collector, a first active material layer, and a first insulating layer. The first current collector has a first surface and a second surface which are oppositely disposed, the first active material layer being disposed on the first surface, and the first insulating layer being disposed on the second surface. The secondary battery further comprises a first bonding member. The first bonding member comprises a first part and a second part. The first part being bonded to a portion of a surface of the second surface that is not covered by the first insulating layer, or the first part being bonded to a region of the first insulating layer that is thinned after removing a some material. The second part is bonded to a surface of the electrode assembly located on a side in the second direction. In the secondary battery, the energy density of the secondary battery can be improved while reducing the degree and likelihood of curling of the outermost electrode plate of the electrode assembly.

BATTERY CELL AND ELECTRIC DEVICE

Resumen de: WO2026077239A1

Provided in the present application are a battery cell and an electric device. The battery cell comprises an electrode assembly, wherein the electrode assembly is formed by winding a positive electrode sheet, a separator and a negative electrode sheet which are stacked, the outermost electrode sheet being the positive electrode sheet; the positive electrode sheet comprises a double-sided coated region, a single-sided coated region and a double-sided bare foil region which are sequentially arranged from the start to the end of winding; a first adhesive tape of the battery cell is attached to the side of the single-sided coated region where no active material layer is provided, and at least part of the first adhesive tape is arranged on the positive electrode sheet in the second turn from the outside to the inside of the battery cell; in the direction of winding, the first adhesive tape extends beyond a first edge of the double-sided bare foil region away from the single-sided coated region; and in the direction of a winding axis, the first adhesive tape extends beyond a second edge and a third edge of the double-sided bare foil region. The capacity of the battery cell is less than 3 Ah. The risk of a short circuit due to contact between an edge of the double-sided bare foil region and the negative electrode sheet is reduced, thereby improving the safety of the battery cell; moreover, the first adhesive tape does not increase the thickness of the battery cell, thereby helping i

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

Resumen de: WO2026076730A1

The present invention belongs to the field of batteries, and provides a positive electrode material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery. The positive electrode material comprises an inner core, the inner core comprises sodium iron phosphate pyrophosphate and optional sodium iron phosphate, and the mass ratio of sodium iron phosphate to sodium iron phosphate pyrophosphate in the positive electrode material is (0-0.15):(99.85-100). The present invention is beneficial for improving the capacity and cycle performance of the positive electrode material and the sodium-ion battery.

LITHIUM BATTERY

Resumen de: WO2026076865A1

A lithium battery, which comprises a positive electrode sheet and a negative electrode sheet. The positive electrode sheet comprises a positive electrode active material layer, and the positive electrode active material layer comprises a lithium iron phosphate positive electrode material and a lithium supplementing agent, wherein the lithium iron phosphate positive electrode material contains a doping element A, with the doping element A comprising at least one of Ti, V, Mg, Nb, Zr, Zn and Al; and the lithium supplementing agent comprises a lithium-rich lithium nickel oxide material, and the chemical formula of the lithium-rich lithium nickel oxide material is Li2+xNiByO2+z, where x>0, y>0, and z>0 or z<0, and the element B comprises at least one of Ti, Al, Mg, Mn and Fe. The negative electrode sheet comprises a negative electrode active material layer, and the negative electrode active material layer comprises a carbon-based negative electrode material and a silicon-based negative electrode material, wherein the silicon-based negative electrode material comprises at least one of a porous silicon material, a silicon-carbon material having a core-shell structure, a silicon-carbon material having a yolk-shell structure, and a silicon-carbon material having an SiOx/C-type graphite structure. The D50 of the silicon-based negative electrode material is 5-15 μm, wherein the porosity of the porous silicon material is 5-40%; and in the silicon-carbon material having a core-shell str

METHOD AND APPARATUS FOR CONTROLLING CHARGING AND DISCHARGING OF ENERGY STORAGE SYSTEM, AND DEVICE

Resumen de: WO2026076913A1

The present invention provides a method and apparatus for controlling charging and discharging of an energy storage system, and a device. The energy storage system comprises a plurality of energy storage battery assemblies. The method comprises: acquiring characteristic parameters of the plurality of energy storage battery assemblies, the characteristic parameters comprising a real-time battery capacity value, a rated battery capacity value, a calibration battery internal resistance value, and a real-time battery internal resistance value; determining a health state index of each energy storage battery assembly by using a health state index relationship and the characteristic parameters; comparing the health state index of each energy storage battery assembly with a preset battery health level threshold; and, on the basis of the comparison result, controlling charging and discharging states of the energy storage battery assemblies. The health state index of each energy storage battery assembly is determined by means of the real-time characteristic parameters, and then, on the basis of the comparison result with the preset battery health level threshold, the charging and discharging states of the energy storage battery assemblies are controlled in different control manners, thus improving the rationality of charging and discharging control, ensuring charging and discharging safety, and prolonging the service life of the energy storage battery assemblies.

NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: US20260106163A1

0000 A negative electrode plate, a secondary battery, and an electrical apparatus are described. The negative electrode plate includes a current collector and a negative electrode film layer, where the negative electrode film layer includes a first film layer, provided on one side or both sides of the current collector; and a second film layer, provided on one side of the first film layer away from the current collector; a negative electrode active material of the first film layer and a negative electrode active material in the second film layer each independently include a silicon-based negative electrode material, the silicon-based negative electrode material in the second film layer includes a porous silicon negative electrode material, and a content of the silicon-based negative electrode material in the first film layer is less than a content of the silicon-based negative electrode material in the second film layer.

CURRENT SAMPLING METHOD AND APPARATUS, DEVICE, AND MEDIUM

Resumen de: WO2026076829A1

A current sampling method and apparatus, a device, and a medium. The method comprises: outputting an interrupt control signal and a MOS transistor drive signal (S11), the interrupt control signal and the MOS transistor drive signal having a harmonic relationship; when a first counter corresponding to the interrupt control signal reaches a first preset count value, sampling an induction current (S12), the induction current being an induction current formed by an on-off state of a MOS transistor driven by the MOS transistor drive signal, and the induction current being at the midpoint of a rising edge or a falling edge when the first counter reaches the first preset count value. In this way, the stability of current sampling can be improved, so as to achieve more stable control.

Thermal management integrated module and new energy vehicle

Resumen de: AU2024287230A1

A thermal management integrated module and a new energy vehicle provided with the thermal management integrated module are provided. The thermal management integrated module includes a refrigerant-side flow channel plate, a coolant-side flow channel plate, a refrigerant-side assembly, a coolant-side assembly, and a chiller. The coolant-side assembly is connected to the coolant-side flow channel plate. The coolant-side flow channel plate is arranged with a plurality of first flow channels. The refrigerant-side assembly and the chiller are respectively connected to the refrigerant-side flow channel plate. The refrigerant-side flow channel plate is arranged with a plurality of second flow channels. A thermal management integrated module and a new energy vehicle provided with the thermal management integrated module are provided. The thermal management integrated module includes a refrigerant-side flow channel plate, a coolant-side flow channel plate, a refrigerant-side assembly, a coolant-side assembly, and a chiller. The coolant-side assembly is connected to the coolant-side flow channel plate. The coolant-side flow channel plate is arranged with a plurality of first flow channels. The refrigerant-side assembly and the chiller are respectively connected to the refrigerant-side flow channel plate. The refrigerant-side flow channel plate is arranged with a plurality of second flow channels. ec e c ec e c

COATED ACTIVE MATERIAL, POSITIVE ELECTRODE MATERIAL, AND BATTERY

Resumen de: US20260106215A1

A coated active material of the present disclosure includes a positive electrode active material, and a coating material including a first solid electrolyte and coating at least a portion of a surface of the positive electrode active material. The first solid electrolyte includes Li, M, and X. The M is at least one element selected from the group consisting of a metal element other than Li and a metalloid element, and the X is a halogen element. A value obtained by dividing the integrated value of the amount of moisture released from the coated active material at the time of the heating of the coated active material from 25° C. to 120° C. by the total mass of the coated active material is defined as MC120. In this case, the moisture content MC120 satisfies 0 ppm

ELECTROLYTE COMPOSITION, ELECTROLYTE, AND BATTERY

Resumen de: US20260106210A1

An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an ionic liquid.

METHOD FOR PRODUCING A MATERIAL OR A COMPONENT FOR A SOLID-STATE BATTERY

Resumen de: US20260106226A1

The invention relates to a method for producing a material for a solid-state battery and/or a component for a solid-state battery, as well as a solid-state battery cell. In the method for producing a material (10) for a solid-state battery (30) and/or a component (20) for a solid-state battery (30), at least one starting material (1) together with a sodium source (2) and H3BO3 is heated (5) to a temperature between 600° C. and 1300° C. The material and/or component can be produced at a significantly lower temperature.

High Structure Acetylene Black, Process for its Production, and Compositions and Uses Thereof

Resumen de: US20260103600A1

0000 A high structure acetylene black having an oil absorption number (OAN) of 360 mL/100 g or more and a BET surface area in a range from 50 to 200 m2/g is provided. Such high structure carbon black exhibits excellent electrical conductivity and good processing properties. e.g. dispersibility, having superior power to impart electrical and/or thermal conductivity to various materials, rendering it particularly useful for all kinds of applications where high electrical and/or thermal conductivity is desired or beneficial, such as manufacture of electrodes and other components of energy storage and/or conversion devices or electrically and/or heat conductive materials and articles made thereof.

SULFIDE SOLID ELECTROLYTE POWDER, SOLID ELECTROLYTE LAYER, AND LITHIUM ION SECONDARY BATTERY

Resumen de: US20260106216A1

A sulfide solid electrolyte powder includes, in content in a mass basis: less than 50 ppm of Al; and less than 50 ppm of Zr. A particle diameter D50 is less than 1 μm. A BET diameter calculated based on a BET specific surface area may be 0.10 μm to 0.30 μm.

RESIN COMPOSITION INCLUDING POLYCARBONATE RESIN, AND ELECTROLYTIC SOLUTION, FILM, AND SOLID ELECTROLYTE INCLUDING THE SAME

Resumen de: US20260103563A1

0000 The present invention provides a resin composition that includes a polycarbonate resin and a lithium salt, wherein: the polycarbonate resin includes a structural unit (A) derived from at least one selected from the group consisting of bisphenol A, bisphenol C, bisphenol MIBK, bisphenol BPAF, bisphenol Z, and bisphenol AP, which are represented by the structural formulas shown here; and the terminal structure of the polycarbonate resin includes a terminal structure derived from the polyalkylene glycol monoalkyl ether represented by general formula (1). (In general formula (1), R<1 >represents a C2-20 alkylene group, R<2 >represents a C1-20 alkyl group, and n represents an integer from 3 to 120.) 0000

METHOD AND SYSTEM FOR EXTRACTING BLACK MASS FROM SPENT LITHIUM ION BATTERIES

Resumen de: US20260106256A1

A method for obtaining a metal salt from a spent lithium-ion (Li-ion) battery may include contacting a leaching solvent to a portion of the spent lithium-ion battery to form a first dispersion. The first dispersion is heated to a temperature in a range from 50° C. to 90° C. by applying microwave radiation. The temperature of the first dispersion is maintained to be in the range from 50° C. to 90° C. for a period in a range from 10 seconds to 5 minutes by further applying microwave radiation to the heated first dispersion. The first dispersion is filtered to obtain a first filtrate. The first dispersion is then filtered to separate undissolved material from a first filtrate. The undissolved precipitate is dehydrated to obtain the black mass.

BATTERY EVENT MONITORING SYSTEM FOR THERMAL MANAGED BATTERY

Resumen de: US20260106248A1

The present invention provides a system and method for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. A sensor pack is mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored and communicates battery information, including battery compartment information, to a battery package monitor outside the battery compartment. Cloud connectivity can be provided via a mobile application to a battery thermal management package.

SINGLE-CRYSTALLINE LOW-COBALT TERNARY MATERIAL, METHOD FOR PREPARING SAME, SECONDARY BATTERY, BATTERY PACK, AND POWER CONSUMPTION APPARATUS

Resumen de: US20260106146A1

A single-crystalline-structured low-cobalt ternary positive material, a chemical formula thereof is Li1+x(NiaCObMnc)1-dMdO2-yAy, where a mole fraction of Co element is low, 0.05≤b≤0.14; and in a single particle, a ratio of an average Co content per unit area of an outer layer to an average Co content per unit area of an inner core in a cross section passing through a geometric center of the particle is in a range 1.2-5.0:1, optionally, in a range 1.4-2.0:1 is disclosed. The material has better structural stability and dynamic performance at low temperature and high voltage, which improves cycle performance and power performance of the secondary battery at low temperature and high voltage. A method for preparing the low-cobalt ternary positive material, a secondary battery, a battery module, a battery pack, and a power consumption apparatus including the material is also disclosed

BATTERY PACK AND VEHICLE

Resumen de: AU2024353746A1

Disclosed in the present invention is a vehicle, comprising a battery pack. The battery pack comprises: at least two layers of cell groups, each layer of cell group comprising at least one sub-cell group, the sub-cell group comprising a plurality of battery cells, each of the plurality of battery cells of the sub-cell group extending in a first direction, the plurality of cells of the sub-cell group being arranged in a second direction, and the at least two layers of cell groups being stacked in a third direction. The first direction, the second direction and the third direction are perpendicular to one another.

HYBRID GRAPHENE COMPOSITE PARTICLES

Resumen de: US20260103383A1

0000 Provided is hybrid graphene composite particles comprising: a graphene composite in which a plurality of primary microparticles and multilayer graphene are mixed; and secondary microparticles encompassed by or coated with the graphene composite, wherein the primary microparticles are bound to the surface or the inside of the multilayer graphene, and some empty spaces between the primary microparticles are filled with the graphene composite such that a connected structure is formed.

SECONDARY BATTERY

Resumen de: US20260106349A1

A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case having an opened upper end; a cap plate to seal the upper end of the case; a first electrode terminal on the cap plate, and electrically connected to the first electrode plate; an insulating member between the cap plate and the first electrode terminal; a second electrode terminal on the cap plate, and electrically connected to the second electrode plate; and an electrical connection member between the cap plate and the second electrode terminal to allow electrical conduction between the cap plate and the second electrode terminal, the electrical connection member being in local contact with at least one of the cap plate or the second electrode terminal, and including a material having a higher resistance than those of the cap plate and the second electrode terminal.

POLYACRYLIC ACID BINDER AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

Resumen de: WO2026076760A1

The present application relates to the technical field of new energy, and particularly relates to a polyacrylic acid binder and a preparation method therefor, and a lithium-ion battery. The preparation method for a polyacrylic acid powder binder comprises the following steps: mixing a polymerizable monomer and an initiator, and performing a polymerization reaction thereon to prepare a polyacrylic acid copolymer; and in the presence of an alcohol solvent, performing a neutralization treatment on the polyacrylic acid copolymer at a temperature not exceeding 60°C, so as to obtain a polyacrylic acid powder binder.

LITHIUM SECONDARY BATTERY AND SEPARATOR

Resumen de: US20260106327A1

A lithium secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. At the negative electrode, lithium metal deposits during charging, and the lithium metal dissolves during discharging. The separator has an elongated shape having a length D1 in a first direction and a length D2 in a second direction perpendicular to the first direction, where D1

ELECTRODE MANUFACTURING

Resumen de: US20260106130A1

A method for manufacturing electrodes includes, by an extruder that receives powder, mixing the powder to form a homogenous blend, injecting a lubricant into the homogenous blend to form a dough, and kneading the dough to form a fibrillated dough. The method further includes, by calender rollers, calendering chunks of the fibrillated dough to a target thickness to form a continuous plaque, by a laminating machine, laminating the plaque to opposite sides of a metal substrate to form a continuous electrode preform, by a dryer, drying the continuous electrode preform to form a dry continuous electrode preform, and by a cutting machine, sectioning the dry continuous electrode preform into electrodes.

BATTERY APPARATUS

Resumen de: WO2026077336A1

The present application relates to the technical field of battery apparatuses, and discloses a battery apparatus. The battery apparatus comprises a box body comprising a bottom plate and a surrounding frame surrounding the periphery of the bottom plate, the surrounding frame of the bottom plate enclosing to form a cavity. Both ends of at least one cross beam structure in a first direction are fixedly connected to a frame of the box body, dividing the box body into at least two accommodating cavities, and the accommodating cavities being used for accommodating battery packs. The cross beam structure comprises at least two cross beams stacked and fixed in sequence along a second direction. A lifting hole is provided on the surface, away from the bottom plate, of the cross beam away from the bottom plate in the second direction, and the lifting hole is used for lifting the box body. The first direction is a direction parallel to the bottom plate, and the second direction is a direction perpendicular to the bottom plate. According to the battery apparatus provided in the present application, a lifting hole is provided on only one cross beam located on one side, the lifting hole being used for mounting a lifting point. The number of perforations can be reduced on the remaining cross beams, thereby ensuring the integrity of the remaining cross beams, and ensuring the overall strength of the cross beam structure, thus improving the structural strength of the battery apparatus.

BATTERY LIQUID LEAKAGE DETECTION METHOD AND APPARATUS, AND BATTERY AND ENERGY STORAGE SYSTEM

Resumen de: WO2026076882A1

A battery liquid leakage detection method, comprising: acquiring concentration information of a target gas in a box body (120) and time information for collecting the concentration information (310), wherein the target gas is a volatile gas of an electrolyte; and when the concentration of the target gas at a target moment is greater than or equal to a target concentration, determining that leakage has occurred in the electrolyte (320), wherein the target concentration is the sum of the concentration of the target gas before a target duration at the target moment and a preset concentration, and the target moment is any moment within a first preset duration. The detection method can accurately and effectively detect the leakage of an electrolyte in a battery. Further provided are a battery liquid leakage detection (4000), a battery and an energy storage system.

ELECTROLYTE ADDITIVE, BATTERY ELECTROLYTE AND APPLICATION THEREOF

Resumen de: US20260106219A1

An electrolyte additive, including a radical trapping agent, which includes at least one of a structural formula I and a structural formula II. The radical trapping agent of the provided structural formulas I-II can stably carry nitrogen free radicals or oxygen free radicals. Therefore, when used in the electrolyte, the electrolyte additive can consume harmful groups, such as CH3· free radicals, acyl free radicals, and CH3O· free radicals, generated during the charging and discharging process of the secondary battery, and can effectively inhibit the generation of active oxygen in the cathode additive of the secondary battery. In this way, the gas production phenomenon of the secondary battery during the charging and discharging process is effectively inhibited, the gas production volume is significantly reduced, and the volume expansion of the secondary battery is reduced, thereby effective improving the stability and safety of the charging and discharging of the secondary battery.

SEPARATOR FOR SECONDARY BATTERIES AND SECONDARY BATTERIES INCLUDING THE SAME

Resumen de: US20260106322A1

The present disclosure provides a separator for a secondary battery which is formed of a porous sheet which includes a binder polymer and boron nitride nanotubes to show excellent electrical insulation, thermal stability, mechanical strength, and reduced weight and contribute to compactness of the secondary battery.

BATTERY PACK

Resumen de: WO2026077171A1

The present invention relates to the technical field of new energy batteries. Disclosed is a battery pack, comprising: a box body, a heat exchange tube, a battery unit, and an adhesive layer. The box body comprises a bottom plate, and an upper surface of the bottom plate is provided with an accommodating recess. The heat exchange tube is provided in the accommodating recess, the depth of the accommodating recess being H1mm, and the height of the heat exchange tube being H2mm, where H1≥H2. The battery unit is arranged on the bottom plate and is located above the heat exchange tube. The adhesive layer is arranged between the heat exchange tube and the battery unit, at least part of the adhesive layer being arranged within the accommodating recess, and the battery unit, the heat exchange tube, and the bottom plate being connected by means of the adhesive layer. The present invention provides a battery pack, which is provided with a heat exchange tube to exchange heat for a battery unit, thereby ensuring the flatness of a joint between a box body and a bottom surface of a battery, and at the same time ensuring the heat exchange effect.

SEPARATOR, ELECTROCHEMICAL APPARATUS WITH SEPARATOR AND ELECTRICAL APPARATUS

Resumen de: US20260106325A1

0000 A separator includes a base film and an organic coating disposed on at least one surface of the base film. In a 10 μm×5 μm region of the organic coating, based on a mass of the organic coating, a mass percentage of a carbon element in the organic coating is W1, a mass percentage of a fluorine element in the organic coating is W2, and 0.45≤W1/W2≤6. The separator further includes an inorganic coating, the inorganic coating is disposed between the base film and the organic coating, the inorganic coating has a thickness of d3, the base film has a maximum pore size of r1, and 0.01≤r1/d3≤0.21.

BATTERY CELL COMPRISING CURRENT BREAKER AND BATTERY APPARATUS COMPRISING SAME

Resumen de: US20260106352A1

A battery cell according to an embodiment of the present invention comprises: an electrode assembly on which at least one positive electrode plate and at least one negative electrode plate are stacked on each other; a case for accommodating the electrode assembly therein; a plurality of electrode tabs extending from the positive electrode plate and the negative electrode plate; an electrode lead one end of which is joined with the electrode tabs and the other end of which is exposed to the outside of the case; and a current breaker which is arranged inside the electrode lead and breaks the flow of an overcurrent, wherein the length of the current breaker according to the extension direction of the electrode lead can be formed to be at most 1/10 of the length of the electrode lead.

DISPERSION LIQUID SET FOR SECONDARY BATTERY ELECTRODE, CARBON NANOTUBE DISPERSION LIQUID, FIBER DISPERSION LIQUID, DISPERSION LIQUID FOR SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY, AND METHOD FOR PRODUCING DISPERSION LIQUID FOR SECONDARY BATTERY ELECTRODE

Resumen de: WO2026079393A1

The purpose of the present invention is to provide a dispersion liquid set which is for a secondary battery electrode and which makes it possible to form a secondary battery electrode that can enable a secondary battery to exhibit excellent cycle characteristics. This dispersion liquid set for a secondary battery electrode comprises: a carbon nanotube dispersion liquid which contains carbon nanotubes 1, a dispersant 1, and a solvent 1; and a fiber dispersion liquid which contains fibers and a solvent 2. The average length of the carbon nanotubes 1 is not more than 1 μm. The average length of the fibers is not less than 1.5 times the average length of the carbon nanotubes 1.

Verfahren zur Herstellung eines Batterietroges einer Traktionsbatterie für eine mobile Arbeitsmaschine

Resumen de: DE102025105330A1

Die Erfindung betrifft ein Verfahren zur Herstellung eines Batterietroges (1) einer Traktionsbatterie (2), insbesondere einer Lithium-Ionen-Traktionsbatterie, für eine mobile Arbeitsmaschine, insbesondere ein Flurförderzeug, wobei der Batterietrog (1) zumindest teilweise mit einer Ballastfüllung (3) verfüllt wird, wobei die Ballastfüllung (3) ein Ballastmaterial (3a) und einen Verbundstoff (3b) umfasst. Das Verfahren umfasst die Schritte:• Bereitstellen des Batterietrogs (1) und der Ballastfüllung (3);• Befüllen des Batterietrogs (1) mit der Ballastfüllung (3), wobei zumindest zwei Befüllschritte (B1, B2, B3) durchgeführt werden, wobei in jedem der mehreren Befüllschritte (B1, B2, B3) jeweils das Ballastmaterial (3a) und der Verbundstoff (3b) sequentiell in den Batterietrog (1) eingefüllt werden, wobei zuerst Ballastmaterial (3a) und anschließend Verbundstoff (3b) in den Batterietrog (1) gefüllt werden;• Verdichten der Ballastfüllung (3);• Aushärten der Ballastfüllung (3) zu einem Verbundmaterial.

Batteriezelle mit Sicherungsfunktion und Batterieanordnung mit einer Mehrzahl solcher Batteriezellen und einer Sicherung

Resumen de: DE102024129462A1

Eine Batteriezelle mit Sicherungsfunktion, weist auf: ein elektrisch leitfähiges Anschlussterminal (1) für einen elektrischen Pol der Batteriezelle (2); ein Zellgehäuse (4) mit einer Öffnung zum Aufnehmen des Anschlussterminals (1), wobei das Zellgehäuse (4) zumindest in einem an die Öffnung anschließenden Bereich elektrisch leitfähig ist; und eine Isolation aus einem Isolationsmaterial zur elektrischen Isolierung des Anschlussterminals (1) gegenüber dem Zellgehäuse (4). Die Isolation ist derart als Sicherungsfunktion ausgebildet, dass sie beim Auftreten von Temperatur- und/oder Druckverhältnissen im Inneren der Batteriezelle (2), die in einem bestimmten, oberhalb von einem spezifizierten regulären Arbeitsbereich der Batteriezelle (2) liegenden irregulären Zustandsbereich liegen, eine Veränderung erfährt, als deren Folge aufgrund der Veränderung ein elektrisch leitender Strompfad zwischen dem Anschlussterminal (1) und dem Zellgehäuse (4) gebildet wird. Zudem wird eine Batterieanordnung mit einer Mehrzahl solcher Batteriezellen und wenigstens einer elektrischen Sicherung vorgeschlagen.

POSITIVE ELECTRODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: WO2026079835A1

The present invention relates to a positive electrode for a secondary battery and a lithium secondary battery comprising same. The positive electrode comprises: a lithium transition metal oxide containing nickel; a first binder containing a linear polymer; and a second binder containing a branched polymer, wherein the linear polymer contains a functional group capable of forming a hydrogen bond, the branched polymer has 3.0 or less branches per 1,000 carbon atoms, and the weight ratio between the first binder and the second binder is 1:0.26 to 1:0.85.

COMPOSITE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SOLID-STATE BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026076934A1

The present application relates to a composite active material and a preparation method therefor, a solid-state battery cell, a battery device, and an electric device. The solid-state battery cell comprises a current collector and a film layer arranged on at least one side surface of the current collector, wherein the film layer comprises a composite active material and a sulfide solid electrolyte. The composite active material comprises an inner core, at least one first coating layer and a second coating layer, wherein the at least one first coating layer is coated on at least part of the surface of the inner core, and the second coating layer is coated on at least part of the surface of the outermost first coating layer. The second coating layer comprises a selenium-containing compound, and the chemical formula of the selenium-containing compound is SeaMb, wherein M comprises at least one of Li, Na, K, Mg, Ca, S, Mo, Cr, Zn, In, Ga, Co, and Mn, 0

LITHIUM-ION BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2026077070A1

Disclosed are a lithium-ion battery and an electrical device. An electrolyte of the lithium-ion battery comprises a first additive and a second additive; the redox potential of the first additive is lower than the highest redox potential of a positive electrode active material, and the redox potential of the second additive is greater than or equal to the highest redox potential of the positive electrode active material. The first additive can continuously react with the surface of an SEI film of a negative electrode sheet, so as to expose dead lithium in the SEI film, allowing the dead lithium to have an opportunity to participate in lithium cycling again. The second additive is introduced to cooperate with the first additive to further react with the exposed dead lithium, such that the dead lithium is oxidized to form soluble lithium ions, thus improving the efficiency of dead lithium participating in lithium cycling again, and helping to improve the capacity retention rate of lithium-ion batteries.

HIGH POWER HYBRID SILICON ANODE WITH EXTREME FAST CHARGING

Resumen de: US20260106144A1

A lithium battery having a hybrid anode comprising silicon, graphite and hard carbon active materials.

X-RAY ANALYSIS SYSTEM

Resumen de: US20260104367A1

0000 An X-ray analysis system irradiates, with an X-ray, a battery cell including a battery and a laminate housing the battery to obtain analysis data. The X-ray analysis system includes a sample holder that can restrain the battery cell, a holder that holds the sample holder and can switch an irradiation position indicating a position to be irradiated with the X-ray, with respect to the battery cell restrained by the sample holder, and a charger-discharger that charges and discharge the battery cell restrained by the sample holder. The sample holder includes a transmissive portion that allows the X-ray to be transmitted through a plurality points of the battery cell.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, ELECTRONIC DEVICE INCLUDING SAME

Resumen de: US20260106275A1

A secondary battery may include an electrode assembly, a case accommodating the electrode assembly and including an electrode terminal coupled to an electrode tab of the electrode assembly, a case cover on an open side of the case, and a support portion protruding from the case cover to one side and coupled to a housing accommodating the case, wherein the support portion is configured to be elastically deformed and released from the housing based on receiving an external force.

MULTI-LANE LASER LITHIUM METAL TRANSFER FOR PRE-LITHIATING ANODE STRUCTURES

Resumen de: WO2026080758A1

A film stack for an energy storage device and corresponding methods and systems for manufacturing the film stack are provided. In an embodiment, a method forforming the film stack includes conveying a flexible support layer stack comprising a flexible support layer having a lithium metal layer formed thereover from a first supply hub toward a first pickup hub, and laminating the flexible support layer stack to a flexible substrate stack comprising an anode material layer. The method also includes exposing portions of the lithium metal layer to laser energy to separate the exposed portions of the lithium metal layer from the flexible support layer and removing the flexible support layer stack and unexposed portions of the lithium metal layer from the flexible substrate stack to form a patterned lithium metal layer on the anode material layer of the flexible substrate stack.

ELECTROLYTE ADDITIVE, AND ELECTROLYTE FOR BATTERY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026079802A1

The present invention relates to an electrolyte additive, and an electrolyte for a battery and a secondary battery comprising same. According to the present invention, an electrolyte additive, an electrolyte for a battery comprising same, a secondary battery comprising same, and the like can be provided wherein by suppressing side reactions inside various lithium secondary batteries including high-nickel, Si-anode, LFP, lithium-manganese-rich (LMR), or cobalt-free batteries, the electrolyte additive can lower the internal resistance and charging resistance of the batteries to enhance charging efficiency and power output and can inhibit resistance increase and gas generation in the batteries even during long-term storage under high-temperature conditions, leading to secondary batteries with excellent long-term lifespan and high-temperature capacity retention.

HYDROGEN SULFIDE DETECTION DEVICE

Resumen de: US20260104384A1

A hydrogen sulfide detection device includes a wire that electrically connects a first node and a second node, and a monitoring circuit that monitors a voltage between the first node and the second node. The wire includes a pattern that is provided on a substrate and is made of a metal that reacts with hydrogen sulfide to corrode, and the pattern includes at least one via. A recessed portion is present in a surface of the substrate, and each of the at least one via is exposed to outside of the substrate through the recessed portion.

SECONDARY BATTERY INCLUDING ELECTRODE ASSEMBLY

Resumen de: WO2026079553A1

The present disclosure provides a secondary battery including an electrode assembly. The secondary battery according to the present disclosure may comprise: a first electrode assembly formed by stacking a first positive electrode, a first separator, and a first negative electrode; a second electrode assembly formed by stacking a second positive electrode, a second separator, and a second negative electrode; a case in which the first electrode assembly and the second electrode assembly are embedded; and a connection module electrically connecting the first electrode assembly and the second electrode assembly.

CURRENT COLLECTOR AND BATTERY

Resumen de: US20260106168A1

0000 A current collector includes an insulative support layer, a conductive support layer, a first conductive layer, and a tab part. The insulative support layer is made of a resin composition having electrical insulation properties. The conductive support layer lies adjacent to the insulative support layer. The first conductive layer is laminated on both of the insulative support layer and the conductive support layer. The tab part lies next to the conductive support layer through the first conductive layer and is joined to the first conductive layer by ultrasonic joining.

BISMUTH OXIDE ANODES AND METHODS OF MAKING THE SAME

Resumen de: WO2026080140A1

The present technology relates generally to an anode for a lithium-ion battery, lithium-ion batteries including the anode, and methods of making the anode. The anode includes bismuth oxide, carbon black, and carboxymethyl cellulose.

CAP ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Resumen de: US20260106358A1

A cap assembly including a cap plate, a terminal plate joined to an opening in the cap plate, and an insulator between the cap plate and the terminal plate, wherein the terminal plate includes a current collector portion electrically connectable to an electrode assembly, and an electrode terminal portion continuously connected to the current collector portion in a longitudinal direction of the terminal plate.

SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND ELECTRIC DEVICE

Resumen de: WO2026076609A1

Provided are a secondary battery (10), a preparation method therefor, and an electric device, belonging to the technical field of batteries. During preparation of the secondary battery (10), an additive is added to a positive electrode active material, and when mixed with the positive electrode active material, the additive can absorb some of the moisture in the positive electrode active material. In addition, a baking process facilitates further removal of water, which is beneficial to reducing the water content in the secondary battery (10) so as to improve the cycle life of the battery.

SOLID ELECTROLYTE-CONTAINING SHEET AND METHOD FOR PRODUCING SAME

Resumen de: WO2026079005A1

This solid electrolyte-containing sheet comprises a first porous substrate and a second porous substrate. A high-concentration binder region is formed at an interface portion between the first porous substrate and the second porous substrate. The high-concentration binder region contains the binder at a higher concentration than other regions in the first porous substrate and the second porous substrate.

BATTERY DEVICE

Resumen de: WO2026079811A1

The technical idea of the present invention provides a battery device comprising: a housing having an inner space accommodating battery cells; venting valves mounted on the housing and configured to discharge gas to the outside; and a valve protection cover disposed on an inlet side of the venting valves facing the inner space of the housing, wherein the valve protection cover includes: a front wall facing the inlets of the venting valves; and a circumferential wall extending along the circumference of the front wall and including venting holes.

STACKED SOLID-STATE BATTERY CELL AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026077145A1

Provided are a stacked solid-state battery cell and a manufacturing method therefor. The stacked solid-state battery cell comprises an outer package and a stacked electrode assembly accommodated in the outer package. The stacked electrode assembly comprises a solid-state electrolyte sheet, a negative electrode sheet, a reference electrode and a positive electrode sheet, the solid-state electrolyte sheet being located between the negative electrode sheet and the positive electrode sheet, and the reference electrode being located on the surface of the side of the solid-state electrolyte sheet close to the negative electrode sheet, or located on the surface of the side of the solid-state electrolyte sheet close to the positive electrode sheet. The reference electrode comprises a redox pair, and the reference electrode has an annular structure. The stacked solid-state battery cell can accurately and continuously monitor voltage changes and impedance changes in electrodes.

SECONDARY BATTERY, NEGATIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND ELECTRIC DEVICE

Resumen de: WO2026077034A1

A secondary battery, a negative electrode sheet and a preparation method therefor, and an electric device. The secondary battery comprises: a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet, wherein the negative electrode sheet comprises a current collector and an active layer located on the surface of the current collector, and the active layer comprises first graphite; and the ratio of the peak area corresponding to the 0,0,4 crystal plane to the peak area corresponding to the 1,1,0 crystal plane in an X-ray diffraction pattern of the negative electrode sheet is 0.1-10.

SHAPED ELECTRODE FILMS, AND METHODS THEREOF

Resumen de: US20260106175A1

A method of forming a shaped electrode film and products thereof, are described. The electrode film having a shaped edge may aid in the core circularity of electrode assemblies, which may improve the structural stability of energy storage devices with minimal change in electrode assembly design and manufacturing.

POLYMER ELECTROLYTE AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: US20260106218A1

0000 Disclosed herein are precursor solutions, gel polymer electrolytes prepared therefrom, and electrochemical devices comprising the same. In some embodiments, the gel polymer electrolyte comprises an electrolyte salt, a nonaqueous solvent, and a crosslinked polymer obtained from an Aza-Michael addition between a Michael donor with at least two primary amines and a Michael acceptor with at least three carbon-carbon double bond groups, wherein the Michael donor has a molecular weight of no greater than 600 Daltons and is fully dissolved in the precursor solution, and the Michael donor can react with the Michael acceptor via Aza-Michael addition to form a crosslinked polymer. In some embodiments, the nonaqueous solvent is free of groups reactive with lithium metal. In some embodiments, the nonaqueous solvent comprises a fluorinated ether, a fluorine-free ether or mixture thereof. In some embodiments, the electrochemical device comprising the polymer electrolyte exhibits an improved cycling performance.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: US20260106134A1

0000 An electrode assembly of the present disclosure includes a separator; and a plurality of electrode plates stacked together, with the separator therebetween, wherein the electrode plate includes a substrate; and an active material layer in which a magnetized part magnetized by a magnetizing device, and a non-magnetized part not magnetized by the magnetizing device, are alternately disposed along the length direction of the substrate.

CHARGING AND DISCHARGING SYSTEM

Resumen de: US20260106469A1

0000 The present disclosure provides a charging and discharging system. The system includes a power device, a tray configured to contain a first battery group comprising a first set of batteries connected in series and a second battery group comprising a second set of batteries connected in series. The system also includes a charging and discharging control board electrically connected to the power device, the first battery group, and the second battery group. The charging and discharging control board includes a first bypass relay providing a first path for making a series connection between the first battery group and the power device and a second path for releasing the series connection between the first battery group and the power device. The system further includes a second bypass relay providing a third path for making a series connection between the second battery group and the power device and a fourth path for releasing the series connection between the second battery group and the power device.

ELECTRODE GROUP AND SECONDARY BATTERY

Resumen de: WO2026078929A1

An electrode group according to an embodiment has a flat cross section in which an electrode member including a positive electrode, a negative electrode, and a separator, is wound. The cross section of the electrode group has opposing planar portions and opposing curved portions disposed between the planar portions. A recess is provided to at least one of the positive electrode and the negative electrode at an apex portion of the innermost peripheral portion of the electrode group in a curved portion.

Ultrasonic Phased Array Tomography for Mapping and Evaluating Battery Properties

Resumen de: US20260104392A1

Analysis of battery cell structure is performed providing a subsurface ultrasonic phased array imaging system. The phase array uses multiple transmitter-receiver pairs to provide phased array tomography of the battery. The phased array imaging system provides mapping and evaluation of properties of the battery cell structure. The system collects ultrasonic signals scattered from internal anomalies to produce detailed cross-sectional images that reveal locations, distributions and physical properties of the anomalies, accommodating both lateral and thickness variations of scanned portions of the battery cell structure to detect, locate and characterize gases and monitor their evolution in a Lithium Ion Battery (LIB), by producing subsurface interior gas images at different cycles.

BATTERY CELL STRUCTURE AND BATTERY

Resumen de: WO2026078779A1

The present invention is a battery cell structure, the structure comprising: a battery cell configured by stacking a positive electrode layer, a negative electrode layer, a solid electrolyte layer, a positive electrode current collector, and a negative electrode current collector; a frame member having a frame shape in a plan view from the stacking direction and accommodating the battery cell inside; and a first elastic body fixed to an inner side surface of the frame member and holding the battery cell, wherein the frame member is provided with a positive electrode terminal connected to the positive electrode current collector and a negative electrode terminal connected to the negative electrode current collector.

CURRENT COLLECTOR AND BATTERY

Resumen de: US20260106167A1

0000 A current collector includes a support layer, an electrically conductive layer, and a tab portion. The support layer is composed of a resin composition having electric insulation. The electrically conductive layer is laminated on the support layer. The tab portion is constituted by a film-formed member. The tab portion includes a tab body portion and a heat release portion. The tab body portion is connected with the electrically conductive layer. The tab body portion is configured to be able to be joined to another electrically conductive member such that electric conduction with the other electrically conductive member is established. The heat release portion has been folded multiple times.

POSITIVE ELECTRODE COMPOSITE, POSITIVE ELECTRODE, ALL-SOLID-STATE BATTERY, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE COMPOSITE

Resumen de: WO2026079883A1

Provided are a positive electrode composite capable of suppressing the deterioration of battery characteristics, a positive electrode, an all-solid-state battery, and a method for manufacturing the positive electrode composite. A positive electrode composite for an all-solid-state battery according to an embodiment comprises a positive electrode active material, a solid electrolyte, a first conductive material, and a second conductive material having lower crystallinity than the first conductive material, wherein the first conductive material is abundantly distributed in the vicinity of the positive electrode active material.

WINDING DEVICE FOR SECONDARY BATTERIES

Resumen de: US20260106203A1

0000 Embodiments provide a winding device for a secondary battery that is capable of improving electrical stability of the secondary battery. The winding device includes a core including a flat portion and an inclined portion, the core configured to wind an electrode assembly of the secondary battery, an antistatic part disposed on the flat portion, wherein static electricity is prevented from being generated between the core and the electrode assembly.

Verfahren zur Demontage und Recycling eines Batteriespeichers

Resumen de: DE102024129210A1

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zum Demontieren und Recyceln eines Batteriespeichers, der eine Anordnung von zylindrischen Batteriezellen umfasst, deren Längsachsen parallel zueinander angeordnet sind, wobei die Batteriezellen in ein Matrixmaterial eingebettet sind. Das Verfahren umfasst dabei ein Freilegen der oberen und unteren Stirnseiten der Batteriezellen und ein Herauspressen der Batteriezellen aus dem Batteriespeicher durch Bewegen mindestens eines Stempels in Richtung der Längsachsen, so dass die Batteriezellen aus dem Matrixmaterial gelöst werden. Ferner ist ein Stempel mit mindestens einer Patrize ausgebildet und eingerichtet, die Batteriezellen in Richtung der Längsachsen aus dem Batteriespeicher herauszudrücken.

BATTERY APPARATUS, ENERGY STORAGE APPARATUS, AND ELECTRICAL APPARATUS

Resumen de: WO2026076940A1

The present application is applicable to the technical field of batteries, and provides a battery apparatus (100), an energy storage apparatus, and an electrical apparatus. The battery apparatus comprises: a box body (10); a battery cell (20), which is accommodated in the box body; and an electronic control assembly (30), which is accommodated in the box body. The electronic control assembly comprises a support (31) and an electronic control component. The support comprises a support main body (311), a protruding structure (312) being connected to the side of the support main body facing the battery cell, and the electronic control component being arranged on the side of the support main body away from the battery cell. The electronic control assembly further comprises a thermal insulation plate (32) provided on the side of the support main body facing the battery cell, and the thermal insulation plate, the support main body, and the protruding structure enclose to form a cavity. In the battery apparatus provided in the embodiments of the present application, the protruding structure is provided on the side of the support main body facing the battery cell, and the cavity is enclosed and formed by means of the thermal insulation plate, the protruding structure, and the support main body. Heat transfer is hindered by means of the combined action of the cavity and the thermal insulation plate, thereby achieving the effect of thermal insulation.

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Resumen de: US20260106160A1

A negative electrode active material for a lithium secondary battery, a manufacturing method thereof, and a negative electrode and a lithium secondary battery comprising the same are described herein. The negative electrode active material for the lithium secondary battery comprises a core and a shell surrounding the core, wherein the core comprises a porous structure comprising flaky silicon particles and amorphous carbons, and the shell comprises flaky silicon particles, amorphous carbons, and crystalline carbons.

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: WO2026076678A1

A secondary battery (100) and an electronic apparatus (1). The secondary battery (100) comprises a pouch (10), an electrode assembly (20) and bonding members. The electrode assembly (20) is arranged in the pouch (10). The electrode assembly (20) is wound, and a first electrode sheet (21) thereof comprises a first current collector (210) and a first active material layer (211). The first current collector (210) comprises a first surface (2101) and a second surface (2102), the first surface (2101) facing a winding central axis (O). The first active material layer (211) comprises a first sub-layer (2111) provided on the first surface (2101) and a second sub-layer (2112) provided on the second surface (2102). The first current collector (210) further comprises a third ending region (2100), the third ending region (2100) being located at the last turn of the first current collector (210). The bonding members comprise a first bonding member (41) and/or a second bonding member (42). The first bonding member (41) is arranged in a first sub-layer ending region (2110) and covers the first surface (2101). The second bonding member (42) is arranged in a second sub-layer ending region (2110') and covers the second surface (2102). The projection of an edge (21A) of the first electrode sheet (21) in the width direction falls within the projection ranges of the bonding members (41, 42), and the projection of an edge (2100A) of the third ending region (2100) in the winding direction falls wit

Energiespeicherentgasungsvorrichtung für ein aus einem Energiespeicher austretendes und mit Partikeln beladenes Gas

Resumen de: DE102025142050A1

Es sind Energiespeicherentgasungsvorrichtungen für ein aus einem Energiespeicher austretendes und mit Partikeln beladenes Gas mit einem Entgasergehäuse (20), zumindest einer Einströmöffnung (18), die am Entgasergehäuse (20) ausgebildet ist, und mit dem Energiespeicher (10) verbindbar ist, mindestens einer Ausströmöffnung (30), die am Entgasergehäuse (20) ausgebildet ist, zumindest zwei Leitplatten (22, 23, 36, 38, 56), die im Entgasergehäuse (20) angeordnet sind oder das Entgasergehäuse (20) zumindest teilweise bilden, und den zumindest einen Strömungskanal (26) begrenzen, und zumindest einem Faserfilter (28) bekannt.Um bei verringertem Druckverlust dennoch eine gute Abscheidung der Partikel im Gasstrom zu erreichen, wird erfindungsgemäß vorgeschlagen, dass sich von einer den zumindest einen Strömungskanal (26) begrenzenden Leitplatte (22, 23 36, 38, 56) ein Faserfilter (28) in den Strömungskanal (26) erstreckt, welcher im Querschnitt des Strömungskanals (26) betrachtet zu der gegenüberliegenden den Strömungskanal (26) begrenzenden Leitplatte (22, 23, 36, 38, 56) beabstandet angeordnet ist.

THERMAL ENERGY STORAGE SYSTEM AND RELATED METHODS

Resumen de: WO2026080492A1

A thermal energy storage system and related methods of storing thermal energy in the form of sensible heat, the thermal energy converted from an input energy source, such as s renewable energy source, to thermal energy stored in a sensible heat storage medium that includes calcium oxide that can optionally be produced from a source of calcium carbonate, such as limestone from a local quarry, whereby the thermal energy charged within the sensible heat storage medium can be stored until a desired time whereby discharging of the thermal energy can be conducted to transfer the thermal energy to an output energy source, such as using a working fluid.

FUSIBLE CONNECTION TAB

Resumen de: AU2024368730A1

A connection tab configured to connect a printed circuit board with a conductive body, the tab comprising a relaxed state and a resiliently deformed state. In the relaxed state, the tab has one or more resiliently deformable fusible members spanning between a first end portion connectable with a printed circuit board, and a second end portion attachable with the conductive body. In the resiliently deformed state, the tab has the first end connected with the printed circuit board, and the second end portion is attached to the conductive body.

CYLINDRICAL BATTERY CELL CAPABLE OF TOP VENTING AND BOTTOM COOLING

Resumen de: WO2026079573A1

Provided is a battery cell capable of venting through an upper portion. The battery cell comprises: a housing provided with a side wall extending in an axial direction and an end wall which is connected to the end portion of the side wall in the axial direction and extends in a radial direction; and an electrode assembly accommodated in the housing. An electrode terminal electrically connected to the electrode assembly is installed on the end wall to be electrically insulated from the end wall. An insulator is disposed between the end wall and the electrode assembly. A vent notch portion extending along the circumferential direction is provided in the end wall. The insulator comprises: an inner loop portion and an outer loop portion which extend along the circumferential direction respectively inward and outward of the vent notch portion in the radial direction; and a radial direction extension portion extending between the inner loop portion and the outer loop portion in the radial direction so as to connect same, wherein the inner loop portion is restricted in the axial direction with respect to the end wall.

METHOD FOR PREDICTING PERFORMANCE OF SECONDARY BATTERY FROM CATHODE ACTIVE MATERIAL, CATHODE ACTIVE MATERIAL, CATHODE, AND SECONDARY BATTERY

Resumen de: WO2026079719A1

The present invention relates to a method for predicting performance of a secondary battery, the method comprising the steps of: manufacturing a cathode comprising a cathode active material comprising an overlithiated manganese-rich oxide containing 50 mol% or more but less than 100 mol% of manganese on the basis of the total metal content excluding lithium; preparing a cathode sample by milling the cathode; obtaining a cross-sectional image by photographing the cathode sample and a cross-section with a scanning electron microscope; selecting a cathode active material particle region from the cross-sectional image, followed by measuring an average pore area ratio according to an ECD value range of the cross-section of the selected cathode active material particle; and predicting performance of a secondary battery comprising the cathode from the average pore area ratio according to the ECD value range of the cross-section of the cathode active material particle, wherein the ECD represents the diameter of a circle having the same area as the cross-sectional area of the particle, and the pore area ratio represents an area ratio of pores to the cross-sectional area of the cathode active material particle.

POSITIVE ELECTRODE ACTIVE MATERIAL AND BATTERY

Resumen de: WO2026079124A1

A positive electrode active material according to the present invention includes lithium manganese phosphate. The lithium manganese phosphate has a crystal structure that belongs to the Pnma space group. In the crystal structure, manganese sites are doped with a first dopant and a second dopant. The first dopant and the second dopant have different valences from one another. The first dopant has an ionic radius of less than 0.830 Å (83 pm). The second dopant has an ionic radius exceeding 0.645 Å (64.5 pm).

COATING DEVICE, METHOD FOR MANUFACTURING A SEPARATOR USING THE SAME, AND SEPARATOR FOR LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY

Resumen de: US20260102785A1

0000 The present invention provides a coating device including: a coater head; an accommodation chamber that is located inside the coater head and accommodates a coating solution; an ultrasonic generator that is located inside the coater head and applies ultrasonic waves to the coating solution accommodated in the accommodation chamber; and a coating bar that transfers the coating solution from the accommodation chamber onto at least one surface of a substrate being transported in one direction.

PRINTER

Resumen de: US20260106483A1

A printer is configured to perform printing on a medium. The printer includes a printing unit, a power supply, processor, and a memory. The printing unit is disposed inside a printer. The power supply circuit is disposed inside the printer, and includes a power supply line and a power storage device. The power supply line is configured to supply power from a power supply to the printing unit. The power storage device is configured to charge and discharge a predetermined power. The memory stores computer-readable instructions that, when executed by the processor, instruct the processor to perform a process. The process includes performing connecting processing to connect the power storage device in series with the power supply in the power supply line, by controlling the power supply circuit.

INTER-CELL MEMBER UNIT, INTER-CELL MEMBER, AND BATTERY UNIT

Resumen de: WO2026079418A1

This inter-cell member unit comprises a plurality of inter-cell members each disposed between two adjacent battery cells in a first direction on a prescribed plane in a cell stack comprising a plurality of battery cells arranged in one row or a plurality of rows along the first direction. The inter-cell members each extend along a second direction orthogonal to the first direction on the prescribed plane, and protrude from the cell stack. Each of the end portions of the inter-cell members in the second direction: abuts or is connected to a frame part that is disposed outside the cell stack in the second direction and that extends along the first direction; or has a gap between the end portion and the frame part. The inter-cell members each include an elastic beam part having elasticity that allows deformation in the first direction with expansion and contraction of the battery cells, and also having strength in the second direction that is higher than that of the frame part.

STACKED CORE AND BATTERY

Resumen de: WO2026076797A1

The present application provides a stacked core and a battery. The stacked core comprises negative electrode sheets and positive electrode sheets which are alternately stacked along a first direction. At least the side of each negative electrode sheet close to the corresponding positive electrode sheet is provided with a first diaphragm layer, and at least the side of each positive electrode sheet close to the corresponding negative electrode sheet is provided with a second diaphragm layer. The adjacent first diaphragm layer and second diaphragm layer cooperate with each other so as to limit the relative displacement of the positive electrode sheets and the negative electrode sheets in a second direction. The first direction and the second direction intersect with each other.

SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE

Resumen de: US20260106228A1

Disclosed are a secondary battery, a battery pack and an electronic device, which include an electrode assembly. The electrode assembly includes a negative electrode sheet, a positive electrode sheet and a separator disposed between the negative electrode sheet and the positive electrode sheet. The maximum circumference of the electrode assembly is C. In the winding direction of the electrode assembly, a first length of a third negative electrode uncoated region is greater than 0.5 C and less than 4 C, or a second length of a third positive electrode uncoated region is greater than C and less than 4 C. The above technical solution may at least avoid excessive DC resistance, and may also avoid warping of the outermost negative electrode tab.

CELL ASSEMBLY, BATTERY MODULE AND BATTERY PACK

Resumen de: US20260106287A1

A cell assembly, a battery module, and a battery pack are provided. The cell assembly includes a cell including a cell body, where a first end surface of the cell body is arranged with an electrode post protruding outward, and an insulating ring is arranged between the first end surface and the electrode post; and a sealed insulating unit including a sealed insulating cover sealingly connected between the first end surface and the electrode post and covering the insulating ring.

BATTERY PACK

Resumen de: WO2026076813A1

The present application provides a battery pack, the battery pack comprising at least one battery module, an integrated busbar, and a first liquid cooling plate, wherein the battery module comprises a plurality of batteries, and output terminals of the plurality of batteries are located on the same side of the battery module; the integrated busbar comprises at least one connecting member, the connecting member being connected to output terminals of two adjacent batteries in the battery module; the first liquid cooling plate is arranged on a side of the connecting member facing away from the battery module; and a first coolant flow channel is arranged within the first liquid cooling plate, the first coolant flow channel being disposed opposite the connecting member.

OVERCURRENT PROTECTION CONNECTOR, COVER PLATE ASSEMBLY AND BATTERY

Resumen de: WO2026076886A1

Provided in the present application are an overcurrent protection connector, a cover plate assembly and a battery. The overcurrent protection connector comprises a first connection body, a second connection body, and a fuse body, wherein the first connection body and the second connection body are configured to be coplanar; the fuse body is connected between the first connection body and the second connection body; and the first connection body has a first current-carrying cross-sectional area, the second connection body has a second current-carrying cross-sectional area, the fuse body has a third current-carrying cross-sectional area, and the third current-carrying cross-sectional area is less than the first current-carrying cross-sectional area and the second current-carrying cross-sectional area.

FIRE PROTECTION DEVICE

Resumen de: WO2026077375A1

A fire protection device, comprising a fire protection main unit and a thermal fuse assembly. The fire protection main unit is configured to spray a fire extinguishing agent to a battery cell. The thermal fuse assembly comprises a thermally reactive agent, an accommodating sleeve and a fire-resistant sleeve, wherein the thermally reactive agent is located in the accommodating sleeve, the accommodating sleeve is connected to the fire protection main unit, the fire-resistant sleeve is sleeved on the accommodating sleeve, and the fire-resistant sleeve wraps the end of the accommodating sleeve away from the fire protection main unit; and a heat attenuation layer is provided between the fire-resistant sleeve and the accommodating sleeve, and is configured to reduce heat transferred to the thermally reactive agent, so as to maintain the temperature of the thermally reactive agent below the ignition temperature before an open flame occurs in the battery cell.

BATTERY APPARATUS AND ELECTRICAL APPARATUS

Resumen de: WO2026077047A1

A battery apparatus and an electrical apparatus. The battery apparatus (1000) comprises: a box body (100), a battery assembly (200), and a thermal management member (300). The thermal management member (300) is provided with a plurality of heat exchange flow channels (30a), the plurality of heat exchange flow channels (30a) being sequentially arranged from outside to inside, and an internal heat exchange flow channel (30a) being located within an area range of an external heat exchange flow channel (30a). At least two heat exchange flow channels (30a) among the plurality of heat exchange flow channels (30a) are configured to be independently provided for water inflow and outflow.

CYLINDRICAL BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026076908A1

The present application provides a cylindrical battery cell, a battery device, and an electric device. The cylindrical battery cell comprises a casing, an electrode assembly, and an electrode terminal. The casing has a first wall portion, and the first wall portion is provided with a terminal hole. The electrode assembly is accommodated in the casing. The electrode terminal is electrically connected to the electrode assembly, the electrode terminal comprises a main body portion and a first limiting portion, the main body portion passes through the terminal hole, and the first limiting portion is connected to the main body portion. In the thickness direction of the first wall portion, the first limiting portion is located on the side of the first wall portion facing the electrode assembly, and the first limiting portion is configured to prevent the electrode terminal from disengaging from the terminal hole in a direction away from the electrode assembly. The hardness of the first limiting portion is 25-70 HV. When the hardness of the first limiting portion is 25-70 HV, the risk that the electrode terminal disengages from the first wall portion under the action of internal air pressure of the cylindrical battery cell can be reduced, thereby improving the reliability of the cylindrical battery cell.

INSULATION CASE STRUCTURE FOR BATTERY

Resumen de: US20260106273A1

0000 An insulation case structure for a battery. The case structure includes an outer shell and an inner liner shell. A first opening is formed in one side of the outer shell. The inner liner shell is embedded into the outer shell through the first opening. A second opening that is arranged in the same direction as the first opening is formed in one end of the inner liner shell. A connection ring is arranged in a surrounding manner between a periphery of the inner liner shell that is located at the second opening and an inner wall of the outer shell. The connection ring and a peripheral wall of the inner liner shell are fixedly connected to each other by welding, and the connection ring and the inner wall of the outer shell are fixedly connected to each other by welding.

WIRE-THREADING STRUCTURE, BATTERY PACK, AND ENERGY STORAGE SYSTEM

Resumen de: WO2026076929A1

A wire-threading structure, a battery pack, and an energy storage system, relating to the technical field of battery modules. The wire-threading structure is arranged on a module side plate between two adjacent battery modules; the wire-threading structure comprises a body, a sealed box, and an encapsulant; the body is provided with an accommodating cavity and a first opening communicated with the accommodating cavity; the accommodating cavity is used for accommodating connection joints of wire harnesses of the two adjacent battery modules; the sealed box is connected to the body and covers the accommodating cavity; and the encapsulant covers the sealed box and seals the first opening. In the present application, the wires of the two adjacent battery modules are sealed, thereby improving the sealing performance at the connection of flexible circuit boards on two adjacent battery modules when flexible circuit boards on multiple battery modules need to be interconnected.

BATTERY PACK

Resumen de: US20260106307A1

A battery pack includes a battery module (3010) and lid modules. The battery module (3010) comprises a liquid-limiting casing (0080) having a peripheral wall (0090) that includes a module-wall-vertical-channel (3098). A circuit board is disposed within the module-wall-vertical-channel (3098). A flexible circuit member is electrically connected to the circuit board and extends laterally into a battery-pack space (3032) to connect to battery-cell-connecting members (0026). The flexible circuit member performs at least one of sensing a state of battery cells and heating the battery cells. This configuration maximizes internal volume utilization by integrating electronic components into the peripheral wall (0090) of the liquid-limiting casing (0080) and utilizes the flexible circuit member to reliably manage thermal and mechanical stress within the immersion environment.

LAMINATED BATTERY CELL AND PREPARATION DEVICE AND METHOD THEREOF

Resumen de: AU2024378988A1

A stacked battery cell, and a fabrication apparatus and method therefor. The stacked battery cell is fabricated by folding a battery cell structure. The battery cell structure comprises first electrode plates, a separator and second electrode plates. Each first electrode plate is located on one side of the separator, and is connected to the separator via a normal-temperature and normal-pressure electrically conductive adhesive. A plurality of second electrode plates are each alternately arranged on the side of the separator away from the respective first electrode plate, and the second electrode plates are each bonded to the separator via a normal-temperature and normal-pressure electrically conductive adhesive. The normal-temperature and normal-pressure electrically conductive adhesive has good bonding performance and electrical conductivity, improves the electrolyte absorption and alleviates interface defects in batteries, and enhances battery performance.

COMMUNICATION NETWORK-BASED FIRE DETECTION SYSTEM FOR DETECTING FIRE OF ELECTRIC VEHICLE AND OPERATING METHOD THEREOF

Resumen de: WO2026079801A1

Disclosed are a communication network-based fire detection system for detecting a fire of an electric vehicle and an operating method thereof. The system according to the present invention comprises: a beacon which generates communication states with a plurality of neighboring access points on the basis of a beacon signal, collects state information related to the state of an electric vehicle measured by a measurement module pre-installed in the electric vehicle, and transmits the state information to the plurality of access points via a communication module; and the plurality of access points which establish the communication states with the beacon, receive the state information transmitted from the beacon, and transmit the received state information to a server of the fire detection system, wherein the state information about the electric vehicle is acquired from the plurality of access points.

RECOVERY OF MATERIALS FROM LITHIUM IRON PHOSPHATE BATTERY WASTE

Resumen de: WO2026080163A1

Methods are provided for forming iron phosphate. In a first stage, heat treating lithium iron phosphate black mass and selectively leaching lithium from the heat treated lithium iron phosphate black mass with an oxidative leaching solution forms a semi-delithiated iron phosphate black mass. In a second stage, the semi-delithiated iron phosphate black mass and a pre-leaching solution comprising dilute acid and an oxidizing agent are mixed, and in a third stage the remaining iron phosphate in the solid phase and an iron phosphate leaching solution are mixed to form a leachate comprising iron phosphate.

POSITIVE ELECTRODE ACTIVE MATERIALS FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES, PREPARATION METHODS THEREOF, AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: US20260106209A1

0000 A positive electrode active material for an all-solid-state rechargeable battery, a method of preparing the positive electrode active material, and an all-solid-state rechargeable battery including the positive electrode active material are provided. The positive electrode active material includes secondary particles each including a lithium transition metal-based composite oxide and formed by agglomerating a plurality of primary particles, wherein at least a portion of the primary particles is arranged radially in the secondary particle, a first coating layer on the surface of the secondary particle and containing boron, and a second coating layer on the first coating layer and including ZrO<2 >and Li<6>Zr<2>O<7>.

ELECTRODE MATERIAL AND BATTERY

Resumen de: US20260106151A1

An electrode material includes a particle group of a coated active material. The coated active material includes an active material and a coating layer coating at least a part of a surface of the active material and including a first solid electrolyte. The electrode material satisfies at least one of the following (i) to (iii). (i) A thickness Tc of the coating layer calculated by averaging median values in thickness distributions of a plurality of particles is 1.0 nm or more and 100.0 nm or less.(ii) A thickness Ta of the coating layer calculated by averaging average values in thickness distributions of a plurality of particles is 9.0 nm or more and 100.0 nm or less.(iii) A thickness Tq of the coating layer calculated by averaging first quartiles in thickness distributions of a plurality of particles is 2.5 nm or more and 50.0 nm or less.

BATTERY

Resumen de: US20260106311A1

A battery including a gas discharge mechanism that discharges when a gas pressure in a battery container reaches a predetermined value. The gas discharge mechanism includes a first gas discharge passage connected to an inner portion side of the battery container, a second gas discharge passage connected to the first gas discharge passage and connected to an outer portion side of the battery container, and a gas discharge valve as part of a gas discharge passage comprising the first and second gas discharge passages and opens so that the inner and outer portion sides of the battery container are connected to each other when gas pressure reaches a predetermined value. A cross-sectional shape of the second gas discharge passage is formed in a shape that does not hinder the flow of a streamline of the gas that flows out of the first gas discharge passage.

BATTERY MODULE AND BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: US20260106334A1

A battery module includes a cell assembly, a first component, a first insulation member, and a second component. The cell assembly includes a plurality of cells, and each cell includes a cell housing and an electrode terminal, the electrode terminal extends out from the cell housing. The cell assembly and the first component are arranged along a first direction, the first component has a first recess, and a portion of each electrode terminal is disposed in the first recess. At least a portion of the first insulation member is disposed in a gap between the electrode terminal and the first component. The second component is provided with a first through hole. The first recess includes a first opening facing the second component, and along the first direction, a projection of the first through hole overlaps with a projection of the first opening.

COMPOSITE PHOSPHATE POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026076748A1

The present application relates to the field of positive electrode materials, and provides a composite phosphate positive electrode material, wherein the composite phosphate positive electrode material comprises a composite phosphate; and the composite phosphate has a general formula as shown in formula (I): Na4Fe(2.91-a-b-c-d)MnaTibNicCud(PO4)2(P2O7)Me (I), wherein M is selected from at least one of N and F; 0

HIGH-PRECISION ADJUSTABLE AUTOMATIC FIRE-RETARDANT MODULE

Resumen de: WO2026076961A1

A high-precision adjustable automatic fire-retardant module, comprising: a fire-retardant module (2), a fire-retardant sintered block (3), and a pressure regulating device (4), wherein the fire-retardant module extends into the interior of a cabinet (1) and is fixedly mounted on the cabinet; the fire-retardant sintered block is mounted inside the fire-retardant module; and the pressure regulating device sequentially runs through the top end of the fire-retardant module, the fire-retardant sintered block, and the bottom end of the fire-retardant module and then extends into the interior of the cabinet. When the pressure in the cabinet exceeds a set value, high-pressure release can be automatically performed by means of the module, such that the module has a fire retardant function and can prevent combustible particulate matter from being discharged to hazardous areas.

LIQUID ELECTROLYTE COMPRISING SULFONAMIDE AND AT LEAST TWO LITHIUM SALTS, AND USES THEREOF

Resumen de: US20260106224A1

A liquid electrolyte comprising i. at least one sulfonamide with general formula Iii. a combination of at least two lithium salts; and iii. at least one co-solvent and/or one filler; and wherein the liquid electrolyte does not comprise an organic carbonate. An electrochemical cell and uses thereof, and methods for preparing the liquid electrolyte and electrochemical cell.

HIGH ENERGY DENSITY CYLINDRICAL CELLS

Resumen de: WO2026080543A2

A lithium-ion secondary battery comprising a positive electrode plate, a negative electrode plate, a separator and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution comprising a mixture of at least one non-oxygenated lithium salt, at least one oxygenated lithium salt, at least one carbonate solvent, and, optionally, at least one non-carbonate solvent. The positive active material comprises one or more selected from the group consisting of LixNiaCobMncO2 and a doping and/or coating modified compound thereof wherein 0.95≤x≤1.2, 01.1, 0.1≤x≤0.2, 0.05≤y≤0.15, 0.5≤z≤0.6). The density of the non-aqueous electrolyte solution represented by p may range from 1.21 g/cm3 to 1.36 g/cm3. The lithium-ion secondary battery satisfies a relationship; 1.08 ≤ (m×C)/(ρ×Cap) < 1.44, wherein m represents a total mass of the non-aqueous electrolyte solution inside the lithium- ion secondary battery with a unit of g, p represents a density of the non-aqueous electrolyte solution with a unit of g/cm3, C represents a concentration of the at least one non-oxygenated lithium salt in the non-aqueous electrolyte solution with a unit of mol/L, Cap represents a rated capacity of the lithium-ion secondary battery with a unit of Ah. The electrolyte may have a mass per rated capacity of 1.25 g/Ah or less, and

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106243A1

A battery processing method for processing a lithium-ion battery 1 that includes a positive electrode material 31 and a negative electrode material 35 and is configured by laminating the positive electrode material 31 and the negative electrode material 35 in a lamination direction A, wherein gas is internally generated includes: a gas extrusion step S2 of extruding gas toward a peripheral edge portion 3z of the lithium-ion battery 1 in a plane perpendicular to the lamination direction A; and a lithium deposition step S3 of charging the lithium-ion battery 1 to deposit lithium on the negative electrode material 35.

SELF-CORRECTIVE BATTERY MANAGEMENT SYSTEM

Resumen de: US20260106232A1

A method of managing battery modules in a circuit may include producing a state-of-health (SOH) estimation through a controller for a plurality of battery cells based on a current, a voltage, and a temperature of each battery cell, in each of the battery modules, storing the current, the voltage, and the temperature of each of the battery cells as SOH historical data for the battery cell, generating an SOH prediction for each of the battery cells based on the SOH historical data of the battery cell, and comparing the SOH estimation to the SOH prediction. Where the SOH estimation is within a predetermined threshold of the SOH prediction, performing an SOH balancing between the one or more battery cells in the battery modules.

CAP ASSEMBLY, BATTERY INCLUDING THE CAP ASSEMBLY, AND BATTERY PACK INCLUDING THE CAP ASSEMBLY

Resumen de: US20260106279A1

0000 The present disclosure relates to a cap assembly, a battery including the cap assembly, and a battery pack including the cap assembly. A cap assembly according to one embodiment includes a cap plate coupled to a case to cover an opening in the case, which accommodates an electrode assembly therein, a terminal extending through the cap plate, with a first end portion of is the terminal being electrically connected to an electrode of the electrode assembly and a second end portion of the terminal protruding outside of the case, an insulating member at least a portion of which is disposed between the cap plate and the terminal to electrically insulate the cap plate and the terminal, and a wiring member electrically connecting the cap plate and the terminal.

RECHARGEABLE BATTERY AND RECHARGEABLE BATTERY MODULE INCLUDING THE SAME

Resumen de: US20260106337A1

The present disclosure relates to rechargeable batteries and a rechargeable battery module including the same. The rechargeable battery module includes rechargeable batteries that are electrically connected without using a busbar. A rechargeable battery module includes a first rechargeable battery including a first electrode terminal and a second rechargeable battery including a second electrode terminal and disposed adjacent to the first rechargeable battery, wherein the first electrode terminal and the second electrode terminal are coupled through at least a contact portion at which an outer surface of the first electrode terminal facing the second electrode terminal is in contact with an outer surface of the second electrode terminal facing the first electrode terminal.

SECONDARY BATTERY

Resumen de: WO2026079805A1

The present disclosure provides a secondary battery. The secondary battery comprises: an electrode assembly including a first electrode, a second electrode and a separator; a case accommodating the electrode assembly through an opening at one side thereof, and including a beading part press-fitted inward from the opening at one side; and a vent plate for sealing the opening at one side of the case, wherein a material of at least a portion of the vent plate can have a heat resistance lower than that of a material of the case.

BATTERY DIAGNOSIS DEVICE AND METHOD THEREOF

Resumen de: WO2026079699A1

The present document relates to a battery diagnosis device comprising: a memory for storing at least one instruction; and a processor for executing the at least one instruction, wherein the processor is configured to acquire temperature data of a battery unit and estimate, on the basis of the temperature data, the temperature of the battery unit in a blank section in which a temperature value does not exist among time sections corresponding to the temperature data.

POSITIVE ACTIVE MATERIAL FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES, AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: WO2026079866A1

The present invention relates to a positive active material for all-solid-state rechargeable batteries, a preparation method thereof, a positive electrode for all-solid-state rechargeable batteries, and all-solid-state rechargeable batteries, the positive active material comprising lithium transition metal composite oxide particles and a coating layer positioned on the surface of each lithium transition metal composite oxide particle, wherein the coating layer comprises: coating particles containing a metal oxide; and a low-melting metal oxide including phosphorus oxide, lead oxide, vanadium oxide, or a combination thereof.

GAS RELEASE VALVE AND BATTERY MANUFACTURING METHOD USING SAME

Resumen de: WO2026079684A1

According to exemplary embodiments of the present invention, provided is a battery manufacturing method. The method comprises: a step for preparing a case, which includes an electrode accommodation part having an electrode accommodation space and a gas pocket part having a gas pocket space, and a battery cell, which includes an electrode assembly accommodated in the electrode accommodation space; a step for inserting a needle of a gas release valve into the gas pocket part; a step for activating the battery cell; and a step for using the gas release valve to discharge gas collected in the gas pocket part.

BINDER FOR CATHODE OF LITHIUM SECONDARY BATTERY, AND CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: WO2026079900A1

The present invention provides a binder for a cathode of a lithium secondary battery, the binder comprising an ammonium cation-substituted cationic polyvinylidene fluoride-based polymer.

HYBRID ORGANIC-INORGANIC REDOX ACTIVE MATERIAL AND RELATED COMPOSITES, COMPOSITIONS, ELECTRODE MATERIAL, ELECTRODES, ELECTROCHEMICAL CELLS, BATTERIES, METHODS AND SYSTEMS

Resumen de: WO2026080468A1

Provided herein hybrid organic-inorganic redox active materials and related composites, compositions, electrode materials, electrodes electrochemical cells, batteries, methods and systems, which, can be used as to provide high performance cathode active materials in high capacity, high energy density, safe, and long-lasting electrochemical cells and batteries when coupled with Li, Na, K, graphite, lithiated graphite, in situ lithiated graphite, silicon, lithiated silicon, in situ lithiated silicon, silicon-graphite, in situ lithiated silicon-graphite, hard carbon, sodiated hard carbon, graphite-silicone, lithiated graphite-silicon etc. anodes in non-aqueous electrolytes.

POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026079774A1

The present invention relates to a single-particle positive electrode active material that enables optimal battery performance, and, more particularly, the present invention relates to: a positive electrode active material which comprises a single-particle lithium composite transition metal oxide composed of no more than 10 primary particles, the positive electrode active material having a degree of micronization of 4.5 to 6.0 as defined by equation 1 described in the present specification; and a positive electrode and a lithium secondary battery comprising the positive electrode active material.

SYSTEMS FOR BATTERY MANUFACTURE

Resumen de: US20260103354A1

0000 A system for manufacturing battery cells and methods for utilizing the system are presented. The system includes a feed rotator that contacts an uppermost electrode sheet in a stack of electrode sheets, a fixed stop positioned adjacent to the feed rotator, and a bi-directional drive coupled to the feed rotator and operable to rotate the feed rotator in a first direction to force the uppermost electrode sheet against the fixed stop and immediately thereafter rotate the feed rotator in a second direction opposite to the first direction to feed the uppermost electrode sheet away from the stack.

BATTERY ASSEMBLY INCLUDING PRISMATIC CELL CAN HAVING A MULTI-LAYER MICA VENT COVER

Resumen de: US20260106313A1

0000 A battery cell including a prismatic cell can housing includes a plurality of walls forming a cell stack receiving zone, one of the plurality of walls including an opening having a first dimension. A vent is positioned across the opening. The vent is configured to open when pressure within the cell stack receiving zone exceeds a predetermined pressure value. An intercell connect board (ICB) is arranged on the one of the plurality of walls. The ICB includes a port that aligns with the opening. A multi-layer vent cover is supported on the ICB. The multi-layer vent cover includes an inner layer supported on the ICB and an outer layer supported on the inner layer. The inner layer includes a first frangible cover and the outer layer including a second frangible cover that is larger than the first frangible cover.

IMPULSLADESYSTEM FÜR EIN LITHIUM-IONEN-BATTERIEPACK

Resumen de: DE102024136236A1

Ein Impulsladesystem für ein Lithium-Ionen-Batteriepack schließt ein oder mehrere Steuergeräte ein, die in elektronischer Kommunikation mit dem Lithium-Ionen-Batteriepack stehen. Das eine oder die mehreren Steuergeräte umfassen einen oder mehrere Prozessoren, die Anweisungen ausführen, um eine Plattierungsintensität des Lithium-Ionen-Batteriepacks während zwei oder mehr anfänglicher Impulsladezyklen des Lithium-Ionen-Batteriepacks zu schätzen. Das eine oder die mehreren Steuergeräte berechnen eine aktualisierte Plattierungsintensität des Lithium-Ionen-Batteriepacks entsprechend einem nachfolgenden Impulsladezyklus, der auf der Basis der Plattierungsintensität des Lithium-Ionen-Batteriepacks bestimmt wird. Als Reaktion auf das Bestimmen, dass die aktualisierte Plattierungsintensität in einen akzeptablen Bereich von Plattierungsintensitätswerten fällt, führen das eine oder die mehreren Steuergeräte einen optimierten Impulsladezyklus aus, der auf der aktualisierten Plattierungsintensität basiert.

SECONDARY BATTERY, NEGATIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND ELECTRIC APPARATUS

Resumen de: WO2026077036A1

A secondary battery, a negative electrode sheet and a preparation method therefor, and an electric apparatus. The secondary battery comprises: a positive electrode, a negative electrode, and a separator located between the positive electrode and the negative electrode. The negative electrode comprises a negative electrode active material and a lithium-containing conductive agent. The negative electrode active material comprises graphite, and the lithium-containing conductive agent comprises C atoms and Li atoms. In the lithium-containing conductive agent, the atomic ratio of the C atoms to the Li atoms is less than or equal to 6.

Charging Fixture and Method for a Rechargable Battery

Resumen de: US20260106360A1

0000 A charging system and associated methods for charging rechargeable batteries are shown. Examples include a fire suppressant, and a surface suspended over the fire suppressant. One example includes a thermally activated actuator coupled to the surface allowing a charging battery to drop into the fire suppressant. Another example includes a thermally destructible surface suspended over the fire suppressant.

SECONDARY BATTERY

Resumen de: WO2026079049A1

Provided is a secondary battery including: a single cell in which a positive electrode current collector, a positive electrode active material layer, an electrolyte layer including a solid electrolyte, a negative electrode active material layer, and a negative electrode current collector are laminated in this order; and an exterior body that accommodates the single cell. The secondary battery is characterized in that the electrolyte layer is configured to include a porous body, a solid electrolyte filled in pores of the porous body, and a heat conductive material filled in pores of the porous body, and has an electrolyte region filled with the solid electrolyte and a heat conductive region provided on the outer peripheral side of the electrolyte region and filled with the heat conductive material, and in that the heat conductive region is in contact with any one of the positive electrode current collector, the negative electrode current collector, and the exterior body.

SYSTEMS AND METHODS FOR MONITORING ENERGY CONSUMPTION OF TASKS PERFORMED BY A HEAVY MACHINE

Resumen de: US20260104459A1

Methods and systems for monitoring battery consumption for a heavy machine such as used in mining, construction, agriculture, and/or industrial applications is provided. The system for reporting a state of charge of a heavy machine has a sensor or input device determining a start and an end of a task; a battery monitor coupled to a battery, the battery monitor measuring a battery charge in the battery; a display; and a processor coupled to the display, the sensor or the input device, and to the battery monitor. The processor or method may determine a change in the battery charge used by the heavy machine between the start and the end of the task to provide a task charge; determine a number of remaining tasks from the battery charge and the task charge; and present the number of remaining tasks on the display.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026079837A1

The present invention relates to a lithium secondary battery comprising: a positive electrode; a negative electrode facing the positive electrode; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein: the positive electrode comprises a first positive electrode active material and a second positive electrode active material; the first positive electrode active material comprise a lithium iron phosphate represented by chemical formula 1 and the second positive electrode active material comprises a lithium nickel cobalt manganese oxide; the non-aqueous electrolyte comprises a lithium salt, a first solvent, and a second solvent; the first solvent is a non-fluorinated carbonate organic solvent and the second solvent is a compound represented by chemical formula 2; and the ratio (A/B) of the weight (B) of the second solvent to the weight (A) of the first solvent is 0.67 or lower.

ANODE-FREE SODIUM BATTERY CELLS

Resumen de: WO2026080901A1

Th present disclosure relates to the field of energy storage devices such as lithium-ion batteries, sodium-ion batteries, and sodium anode-free batteries. More specifically, the present disclosure provides room temperature sodium-based batteries with an anode-free configuration, where no anode active material is present upon cell assembly and in its discharged state.

CIRCUIT BOARD ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: US20260107386A1

0000 A circuit board assembly according to an embodiment of the present disclosure includes an integrated module including a first printed circuit board having a first surface and a second surface opposite to the first surface, a plurality of first pads on the first surface, and a plurality of electronic components on the second surface, and a second printed circuit board including a main line portion, the second printed circuit board receiving the first surface of the first printed circuit board and substantially covering the plurality of first pads, and a connector extending from one side of the main line portion, wherein the first printed circuit board and the second printed circuit board are electrically connected.

DIELEKTRISCHER DÜNNFILM FÜR FESTE ODER HALBFESTE LITHIUMBATTERIEN

Resumen de: DE102024130117A1

Ein dielektrischer Dünnfilm für eine Festkörper- oder Halbfestkörper-Lithiumbatterie, wobei der dielektrische Dünnfilm zwischen einer negativen Elektrode und einer positiven Elektrode der Lithiumbatterie angeschlossen ist. Der dielektrische Dünnfilm umfasst eine erste Filmschicht, welche mit der positiven Elektrode in Verbindung steht, eine dritte Filmschicht, welche mit der negativen Elektrode verbunden ist und eine zweite Filmschicht, welche zwischen der ersten Filmschicht und der dritten Filmschicht angeschlossen ist. Die erste Filmschicht umfasst ein erstes Polymermaterial und ein erstes Lithiumsalz. Die zweite Filmschicht umfasst ein zweites Polymermaterial, ein zweites Lithiumsalz und eine zweite anorganische Keramikstruktur. Die dritte Filmschicht umfasst ein drittes Polymermaterial, ein drittes Lithiumsalz und eine dritte anorganische Keramikstruktur.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US20260106136A1

A positive electrode active material may include a first positive electrode active material having an average particle diameter (D50) in a range of 11 μm to 20 μm and in a form of secondary particles in which a plurality of primary particles are agglomerated; a second positive electrode active material having D50 in a range of 5 μm to 10 μm and in a form of secondary particles in which a plurality of primary particles are agglomerated; and a third positive electrode active material having D50 in a range of 1 μm to 7 μm and in a form of single particles; wherein the third positive electrode active material is in an amount in a range of 5 wt % to 20 wt % based on 100 wt % of the first positive electrode active material, the second positive electrode active material, and the third positive electrode active material.

ANODE ACTIVE MATERIAL LAYER FOR LITHIUM SECONDARY BATTERY, ANODE INCLUDING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US20260106156A1

0000 An anode active material layer according to embodiments of the present disclosure includes an anode active material, a first binder including a polymer of an epoxy-based binder or an acrylate-based binder, and a second binder including a binder having a hydroxyl group or a carboxyl group. The content of the first binder is 0.1 wt % to 1 wt % based on the total weight of the anode active material layer. The adhesion strength of the anode active material layer may be improved without degrading the electrical properties of the anode.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026079890A1

The present invention relates to an electrode assembly and a secondary battery including same and, more specifically, to an electrode assembly and a secondary battery including same which facilitate electrolyte impregnation in a region near a central portion of the electrode assembly where compressive stress is high, thereby suppressing lithium deposition, controlling acceleration of electrode assembly swelling, and ultimately reducing the risk of battery case rupture and abnormal heat generation behavior.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026076679A1

A secondary battery and an electronic device. The secondary battery comprises a packaging bag, an electrode assembly, and a first bonding member. The electrode assembly is of a winding structure, and a first electrode sheet of the electrode assembly comprises a first current collector and a first active material layer. The first current collector comprises a first surface and a second surface, and the first surface faces a winding central axis. The first active material layer comprises a first sub-layer provided on the first surface and a second sub-layer provided on the second surface. A third ending region of the first current collector in the winding direction is exposed to the first sub-layer and the second sub-layer. The first bonding member is provided on the side of the third ending region facing the winding central axis and bonded to the first surface and/or the second surface, and the first bonding member is separated from the first sub-layer and the second sub-layer in the winding direction. The first electrode sheet comprises a first edge and a second edge opposite to each other in the width direction of the first electrode sheet. The projection of the first edge falls within the range of the projection of the first bonding member. The projection of an edge of the third ending region in the winding direction falls within the range of the projection of the first bonding member.

Assembly With Battery Cell, Intercell Connector and Conducting Element

Resumen de: US20260106354A1

0000 An assembly for a traction battery of a motor vehicle, includes: a battery cell having a metallic cell housing, a first cell pole and a second cell pole which assumes a potential of the cell housing; an intercell connector, which is electrically connected to the first cell pole to form a current path between the battery cell and at least one further battery cell of the traction battery, and which has a fuse for interrupting the current path in response to flux of a tripping current via the intercell connector; and at least one electrically conductive conducting element, which is electrically and mechanically connected to the intercell connector and/or to the first cell pole, and which is designed, in the event of a fault current flux via the intercell connector which lies below the tripping current and which results in a melting and subsidence of the first cell pole and/or of the intercell connector in the direction of the cell housing, to contact-connect the cell housing and thus short-circuit the cell poles, for the provision of the tripping current.

Verfahren zur Herstellung eines Batterietroges einer Traktionsbatterie für eine mobile Arbeitsmaschine

Resumen de: DE102025105324A1

Die Erfindung betrifft ein Verfahren zur Herstellung eines Batterietroges (1) einer Traktionsbatterie (2), insbesondere einer Lithium-Ionen-Traktionsbatterie, für eine mobile Arbeitsmaschine, insbesondere ein Flurförderzeug, wobei der Batterietrog (1) zumindest teilweise mit einer Ballastfüllung (3) verfüllt wird, wobei die Ballastfüllung (3) ein Ballastmaterial (3a) und einen Verbundstoff (3b) umfasst, wobei der Batterietrog (2) eine Außenhülle (4) mit einer Bodenwand (5) und einer umlaufenden Außenwandung (6) aufweist. Das Verfahren umfasst die Schritte:• Bereitstellen des Batterietrogs (1) und der Ballastfüllung (3);• Befüllen des Batterietrogs (1) mit der Ballastfüllung (3);• Erzeugen einer planen Oberfläche (8) der Ballastfüllung (3), wobei sich die plane Oberfläche (8) bis zur umlaufende Außenwandung (6) erstreckt;• Aushärten der Ballastfüllung (3) zu einem Verbundmaterial.

SYSTEMS AND METHODS FOR ELECTRICAL SIGNAL CONDUCTION TO HERMETICALLY SEALED ELECTROCHEMICAL CELLS

Resumen de: US20260106346A1

0000 Embodiments described herein relate to hermetically sealed electrochemical cells. In some aspects, an electrochemical cell assembly can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, and a separator disposed between the anode and the cathode. A hermetic enclosure contains the anode, the anode current collector, the cathode, the cathode current collector, and the separator. An electronic circuit is electrically and/or communicatively coupled to at least one of the anode or the cathode, such that a first portion of the electronic circuit is inside the hermetic enclosure and a second portion of the electronic circuit is outside of the hermetic enclosure. The electronic circuit can includes a printed flex circuit polyimide, and/or an aluminized polymer pouch.

APPARATUS, METHOD, AND SYSTEM FOR REMOVING LITHIUM-ION BATTERY GAS

Resumen de: US20260106251A1

0000 Disclosed herein is an apparatus for removing lithium-ion battery gas, which is used to remove gas generated during an activation process of a lithium-ion battery. The apparatus includes an ultrasonic vibration unit configured to apply ultrasonic waves to the lithium-ion battery to remove gas within the battery, and a control unit configured to control an operation of the ultrasonic vibration unit.

HIGH PURITY ELECTROLYTE COMPOSITIONS AND BATTERY CELLS

Resumen de: WO2026080900A1

The present relates to the field of energy storage devices such as lithium-ion batteries, sodium-ion batteries, and sodium anode-free batteries. More specifically, the disclosure provide room temperature liquid electrolyte compositions separately and in combination as used in lithium and sodium-based batteries.

VEHICLE AND SERVICE PLATFORM FOR ELECTRIC POWER TRADING

Resumen de: US20260105542A1

0000 A vehicle for electric power trading is provided. The vehicle includes one or more processors, and a storage medium configured to store a computer-readable instruction. When the computer-readable instruction is accessed and executed by the one or more processors, the one or more processors are configured to transmit service registration information for electric power trading, and to transmit an electric power trading request. The electric power trading request includes electric power to sell, among eco-friendly electric power and general electric power, and a power capacity to sell, when a service registration confirmation is received in response to transmission of the service vehicle registration information. Electric power corresponding to the power capacity to sell is withdrawn from the vehicle according to the electric power trading request.

ELECTRODE, SECONDARY BATTERY AND METHOD FOR MANUFACTURING ELECTRODE

Resumen de: US20260106227A1

0000 An electrode includes an electrode substrate including an insulating layer and a first conductive layer on opposite sides of the insulating layer, a composite portion having an active material thereon in an area of the electrode substrate, an uncoated portion having no active material thereon in another area of the electrode substrate, and a second conductive layer on the first conductive layer in the uncoated portion.

LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026079799A1

A lithium secondary battery manufacturing method disclosed herein comprises a coating process of first and second electrode slurries. In the coating process, the first electrode slurry is applied to have a shape in which two or more concave portions recessed toward a current collector are arranged at certain intervals, and the second electrode slurry is applied to have a shape that fills the concave portions. The second electrode slurry includes a film-forming additive.

INSPECTION UNIT AND INSPECTION DEVICE

Resumen de: US20260106347A1

To provide an inspection unit capable of improving contact reliability between an electrode terminal of a battery and a probe pin. An inspection unit according to the present disclosure contacts an electrode terminal of a battery to inspect its performance. The unit comprises a plurality of probe pins, a socket housing the plurality of probe pins to be movable by a first distance in an axial direction, and a housing housing the socket to be movable by a second distance in the axial direction. The unit further includes a biasing member disposed inside the housing that biases the socket so a part of the socket protrudes from an opening in the housing, and elastic portions disposed inside the socket that elastically deform to move each probe pin independently in the axial direction.

HIGH POWER HYBRID SILICON ANODE WITH EXTREME FAST CHARGING

Resumen de: US20260106225A1

A lithium battery with a battery electrolyte having a plurality of linear alkyl carbonates, a fluorinated solvent, and an acetate. The volume percentages of these electrolyte components meet one or more relational conditions.

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US20260106153A1

0000 A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode active material are provided. The negative electrode active material for a rechargeable lithium battery includes graphite and an amorphous carbon-containing layer surrounding the graphite. The amorphous carbon-containing layer includes a first region and a second region, which have different R values of Equation 1 (R value=I/I, where Iand Iare a maximum peak intensity of the D band at a frequency of 1360±50 cm<−1 >and a maximum peak intensity of the G band at a frequency of 1580±50 cm<−1>, respectively, obtained by Raman spectroscopy for the negative electrode active material), and the R value of Equation 1 in the first region is 0.5 or less.

DEVIATION CORRECTION APPARATUS AND METHOD OF CORRECTING DEVIATION BY USING THE SAME

Resumen de: US20260106204A1

The present disclosure provides a deviation correction system and a method of correcting a deviation by using the same. A deviation correction apparatus may include a heater for heating an electrode plate of a secondary battery having an active material layer on a current collector, a spiral roller having a spiral protrusion, and a base roller facing and spaced apart from the spiral roller. The spiral roller and the base roller may be configured so that the electrode plate may be inserted between and may be moved between the spiral roller and the base roller.

CURRENT COLLECTOR AND BATTERY

Resumen de: US20260106176A1

0000 A current collector includes a support layer, a first electrically conductive layer, and a first adhesion layer. The support layer is composed of a resin composition having electric insulation. The first electrically conductive layer is laminated on the support layer through the first adhesion layer. The first electrically conductive layer includes a first surface. The first surface faces the first adhesion layer. The first surface has been subjected to a chemical surface roughening treatment.

LITHIUM SUPPLEMENT AND MANUFACTURING METHOD THEREFOR, CATHODE PLATE, AND SECONDARY BATTERY

Resumen de: US20260106159A1

The present application provides a lithium supplement, which includes a sulfide composite material including a first sulfide and a second sulfide doped in the first sulfide. The first sulfide includes lithium sulfide. The second sulfide is selected from a metal sulfide other than lithium sulfide, an organic sulfide, or a combination thereof.

BATTERY CELL, BATTERY PACK, VEHICLE COMPRISING SAME, AND METHOD FOR MANUFACTURING BATTERY CELL

Resumen de: WO2026079847A1

Disclosed are a battery cell, a battery pack, a vehicle comprising same, and a method for manufacturing the battery cell, the battery cell being capable of performing welding joining between a current collector and a rivet by inserting a welding horn tip via a groove of the rivet from the outside of the rivet relative to the current collector. A battery cell, according to an embodiment of the present invention, comprises: a battery housing configured to accommodate an electrode assembly of a secondary battery; a current collector provided in the battery housing and electrically connected to electrodes of the electrode assembly; and a rivet at least partially inserted through an opening of the battery housing and joined to the current collector. The rivet has a recessed groove on a second surface opposite to a first surface in contact with the current collector for through-welding the rivet to the current collector.

METHOD FOR MANUFACTURING ELECTRODE, ELECTRODE, AND LITHIUM SECONDARY BATTERY

Resumen de: WO2026079800A1

An electrode according to exemplary embodiments comprises: an electrode current collector; and an electrode active material layer including an electrode active material, wherein the electrode active material layer comprises: a first electrode active material layer disposed on the electrode current collector and including first and second binders; and a second electrode active material layer disposed on the first electrode active material layer, having a stepped pattern formed by recessed portions and non-recessed portions on the surface thereof, and including the first binder, the second binder being a polyacrylonitrile (PAN)-based binder.

Batteriegehäuse

Resumen de: DE102024129404A1

Die vorliegende Erfindung betrifft ein Batteriegehäuse, in dem elementare Speicherzellen druckdicht umschlossen angeordnet sind.Um ein Batteriegehäuse der genannten Art mit Blick auf seine Sicherheit auch im Fall eines thermischen Events zu verbessern, da es sich bei den austretenden Stoffen zum Teil um extrem heiße, giftige und schädigende Gase handelt, die eine Gefährdung für jede Person in unmittelbarer Nähe darstellen, wird vorgeschlagen, dass das Batteriegehäuse (1) eine Überdruck-Entlastungseinrichtung (10) aufweist, die in einer Einbaulage des Batteriegehäuses (1) räumlich gegenüber einer Überdruck-Entlastungseinrichtung (8,9) einer untergeordneten Einheit (2, 14) versetzt angeordnet ist und sich die Überdruck-Entlastungseinrichtung (10) in einer Höhe (h) über einer Bodenwandung (B) des Batteriegehäuses (1) befindet.

DEVICE AND METHOD FOR PREDICTING CELL CAPACITY

Resumen de: WO2026079708A1

A method for predicting a capacity of a battery cell according to an embodiment of the present invention may comprise the steps of: measuring cell-related information during an activation process; compressing temperature profile data among the cell-related information to extract a temperature latent variable; and inputting activation process data including the temperature latent variable into a pre-trained machine learning model to produce a cell capacity prediction value.

ELECTRICAL ENERGY STORAGE DEVICE AND MANUFACTURING METHOD FOR ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: US20260106142A1

0000 In an electrical energy storage device disclosed herein, a negative electrode includes a negative electrode active material layer with a length of 200 mm or more in a winding axis direction. A half width ratio (Lh/La) calculated based on a ratio (B/C) of a boron element at a central part of the negative electrode active material layer in the winding axis direction is 0.17 or less.

LITHIUM METAL SECONDARY BATTERY

Resumen de: US20260106356A1

0000 A lithium metal secondary battery according to an embodiment of the present invention includes: a positive electrode layer; a negative electrode layer; a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer; and an intermediate layer disposed between the negative electrode layer and the solid electrolyte layer. A lithium metal layer is disposed on a surface of the negative electrode layer on an intermediate layer side. An intermediate layer insulating material covering an outer peripheral surface of the intermediate layer is provided. The intermediate layer insulating material does not have lithium ion conductivity.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

Resumen de: US20260106321A1

A separator for an electrochemical device includes a porous substrate, and a coating layer formed on at least one surface of the porous substrate. The coating layer includes inorganic particles, a polymer binder, and cellulose nanofibers. Lithium ions and silane are introduced into the cellulose nanofibers so as to reduce moisture content of the separator and provide improved electrical resistance.

POWER STORAGE DEVICE, CONTROL METHOD, AND COMPUTER PROGRAM

Resumen de: WO2026079050A1

This power storage device supplies power to a power supply target by being attached to the power supply target, and comprises: a power storage element that supplies power to the power supply target; a control unit; a wireless communication unit; and a measurement unit that measures the voltage of the power storage element. The control unit determines whether the power supply target is stopped, and transmits a voltage abnormality signal from the wireless communication unit when the occurrence of a voltage abnormality is detected from the voltage measured by the measurement unit while the power supply target is stopped.

POUCH CASE FOR SECONDARY BATTERY, SECONDARY BATTERY HAVING THE SAME AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260106274A1

A pouch case for a secondary battery includes a pouch film including a stack of a plurality of sheet layers, the pouch film being shaped to have at least one recess, and an adhesive layer between the plurality of sheet layers, the adhesive layer being filled into at least a portion of the plurality of sheet layers.

METHOD AND SYSTEM FOR LOW VOLTAGE BATTERY REPLACEMENT

Resumen de: US20260103107A1

0000 Systems and methods for operating a vehicle that includes a low voltage battery are described. In one example, a human/machine interface prompts a user through steps for replacing a low voltage battery. The low voltage battery may be coupled to other power sources when the low voltage bus is electrically coupled to a low voltage bus.

APPARATUS FOR NOTCHING AN ELECTRODE PLATE

Resumen de: US20260102938A1

The present disclosure provides an apparatus for notching and a method for notching. The apparatus for notching includes at least one wire cutter that cuts at least one of a first side surface and a second side surface positioned opposite to the first side surface and at least one pattern cutter that cuts at least one of the first side surface and the second side surface to form a cut pattern, and the wire cutter is disposed to face the electrode plate along the first direction.

BATTERY SIDE WALL MANUFACTURING

Resumen de: WO2026080523A1

Methods, systems, and devices for battery manufacturing processes are described. A method for manufacturing a battery for a wearable device may include forming a battery cell including a set of energy storage layers, the set of energy storage layers including a set of anode layers and a set of cathode layers. The method may include surrounding at least a portion of the battery cell with a battery cover material, and forming a battery cover that surrounds the battery cell based part on performing a sealing procedure for the battery cover material. The method may further include performing a laser cutting procedure to remove at least one portion of excess material of the battery cover material from the battery cover, the at least one portion of excess material formed via the sealing procedure.

VISION INSPECTION SYSTEM CAPABLE OF INSPECTING RESIDUAL QUANTITY OF SEPARATOR IN ELECTRODE ASSEMBLY AND INSPECTION METHOD THEREOF

Resumen de: WO2026079589A1

Provided are a vision inspection system and a vision inspection method, which measure a residual quantity of a separator of an electrode assembly assembled by winding a first electrode and a second electrode with the separator therebetween. The system comprises: a conveyor which extends in a proceeding direction and transfers the electrode assembly in the proceeding direction; a rotation device which is located at a first position and rotates the electrode assembly about a winding axis of the electrode assembly as a center of rotation; a sensor unit which detects a portion-to-be-detected included in the circumferential surface of the electrode assembly; a control unit for controlling the rotating device; and a first vision inspection device for measuring a residual length of a separator by photographing the circumferential surface of the electrode assembly.

UNIT CELL STACKING DEVICE AND UNIT CELL STACKING METHOD USING SAME

Resumen de: WO2026079704A1

The present invention relates to a unit cell stacking device and a unit cell stacking method using same, the unit cell stacking device comprising: a conveyor belt on which unit cells are seated, and which transfers the unit cells to one side or the other side; a transfer unit for adsorbing and transferring upper surfaces of the unit cells; a photographing unit for photographing the unit cells; a control unit for determining whether the unit cells are defective by using information received from the photographing unit; a stacking unit in which normal unit cells determined to be normal by means of the control unit are stacked; and a discharge unit for discharging defective unit cells determined to be defective by means of the control unit.

SECONDARY BATTERY, BATTERY PACK, AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026079552A1

The present disclosure relates to a secondary battery, a battery pack, and a method for manufacturing a secondary battery, and the technical problem to be solved is to provide a secondary battery having improved capacity, a battery pack, and a method for manufacturing a secondary battery. To this end, the present disclosure provides a secondary battery comprising: a case having an opening and including a case connection portion; an electrode assembly accommodated in the case and electrically connected to the case; and a cap assembly inserted into the opening, electrically connected to the electrode assembly, and having a cap connection portion connected to the case connection portion.

VERBUNDKERMAMIKELEKTROLYTPARTIKEL MIT HYDROPHOBER SCHUTZSCHICHT FÜR BATTERIEELEKTRODEN

Resumen de: DE102024130113A1

Ein Verbundkeramikelektrolytpartikel mit einer hydrophoben Schutzschicht für eine Batterieelektrode, wobei der Verbundkeramikelektrolytpartikel einen LLZO-Verbundpartikel darstellt. Der LLZO-Verbundpartikel umfasst einen ersten LLZO-Partikel. Eine erste Hydroxidionenschicht ist auf den ersten LLZO-Partikel aufgetragen, um einen LLZO-Verbundpartikel zweiter Ordnung zu bilden. Eine erste Dopaminschicht ist auf den LLZO-Verbundpartikel zweiter Ordnung aufgetragen, um einen hydrophoben LLZO-Partikel zu bilden. Eine äußere hydrophobe Schicht ist auf den hydrophoben LLZO-Partikel aufgetragen, um den LLZO-Verbundpartikel zu bilden. Die äußere hydrophobe Schicht umfasst eine Vielzahl peripherer Verbundpartikel. Jeder der peripheren Verbundpartikel umfasst einen peripheren Partikel. Eine zweite Hydroxidionenschicht ist auf den peripheren Partikel aufgetragen. Eine zweite Dopaminschicht ist auf die zweite Hydroxidionenschicht aufgetragen.

COOLING MEDIUM MIGRATION METHOD AND DEVICE

Resumen de: WO2026077038A1

Provided in the embodiments of the present application are a cooling medium migration method and a device, which can improve the flexibility of matching a first thermal management module with a second thermal management module. The cooling medium migration method comprises: controlling a cooling medium to migrate from a first thermal management module to a second thermal management module, both the first thermal management module and the second thermal management module being modules having a thermal management function in an energy storage system; during the process of the cooling medium migrating from the first thermal management module to the second thermal management module, determining the pressure value of the cooling medium in the first thermal management module; and, when the pressure value of the cooling medium reaches a pressure threshold, determining that the process of the cooling medium migrating from the first thermal management module to the second thermal management module has ended.

BATTERY TRAY

Resumen de: US20260106303A1

0000 A battery tray includes a top plate, first inclined surfaces extending from the top plate downward to forming parts of openings, the first inclined surfaces being inclined such that diameters of the openings decrease in a downward direction in the parts of the openings, and second inclined surfaces extending from the first inclined surfaces downward and forming further parts of the openings, the second inclined surfaces being inclined such that the diameters of the openings decrease in the downward direction in the further parts of the openings. A plurality of side surfaces extend from the second inclined surfaces and forming a plurality of through holes that are connected to the openings formed by the first inclined surfaces and the second inclined surfaces.

TROWEL ASSEMBLY

Resumen de: US20260103903A1

A trowel assembly for finishing a surface includes a housing that defines a compartment. A rod is coupled with the housing and extends away from the housing for being handled by a user to control the trowel assembly. A rotor is rotatably coupled to the housing. A plurality of blade assemblies are coupled to the rotor and arranged in circumferentially spaced relationship with one another for compacting and flattening the wall during rotation of the blade assemblies. An electric motor is positioned in the housing and includes an output coupled to the blade assemblies for providing the rotational movement of the blade assemblies.

BATTERY PACK, BATTERY PACK ASSEMBLY AND ENERGY STORAGE SYSTEM

Resumen de: WO2026079694A1

A battery pack according to an embodiment of the present invention comprises: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; busbar housings disposed on surfaces of the battery cells, the surfaces facing electrode leads; and heating elements disposed at the busbar housings and for generating heat when current is applied thereto, wherein the heat generated by the heating elements can be transferred to the battery cells via the electrode leads.

POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY, AND METHOD FOR PRODUCING POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY

Resumen de: WO2026079090A1

The present invention addresses the problem of providing a positive-electrode active material for a lithium-ion secondary battery, the positive-electrode active material having excellent cycling stability. The present invention further addresses the problem of providing a lithium-ion secondary battery and a method for producing the positive-electrode active material for a lithium-ion secondary battery. This positive-electrode active material for a lithium-ion secondary battery includes active-material particles, and the active-material particles comprise composite oxide particles and an adherent layer covering at least some of the surfaces of the composite oxide particles and including lithium aluminosilicate. In a pore distribution examination, the volume of pores having pore diameters of 6-30 nm is 0.00030-0.00100 cm3/g. The ratio of an Si content to a total content of transition metal elements, which are determined by X-ray photoelectron spectroscopy, is 0.15-2.00 in terms of molar ratio.

Zellkontaktiersystem

Resumen de: DE102024130039A1

Die vorliegende Erfindung betrifft ein Zellkontaktiersystem, das in einem Batteriesystem Batteriepacks, Modulen oder elementaren Speicherzellen elektrisch miteinander verschaltet, um an äußeren Anschlüssen der betreffenden Schaltung vorbestimmte elektrische Eigenschaften zu realisieren, wobei das Zellkontaktiersystem aus einem metallischen Blech hergestellte Zellverbinder umfasst, die mit unterschiedlicher Polarität oder Potentiallage gegeneinander elektrisch isoliert in oder auf einem Kunststoffträger fixiert sind.Um ein Zellkontaktiersystem zu schaffen, das hinsichtlich seiner Temperaturstabilität verbessert ist, wird vorgeschlagen, dass das Zellkontaktiersystem (3) mindestens eine thermisch stabile Schicht (13) umfasst, die Zellverbinder (12) überdeckt.

POSITIVE ELECTRODE MATERIAL, SODIUM-ION SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: WO2026076692A1

A positive electrode material, a sodium-ion secondary battery, and an electronic device. The chemical general formula of the positive electrode material is NaxNiaMncO2, and the positive electrode material has a hollow structure; the inner surface of the hollow structure satisfies 1≤c/a≤1.61, and 0.5≤x/(a+c)≤1; and the outer surface of the hollow structure satisfies 0.91≤c/a≤1.1, and 1.05≤x/(a+c)≤1.6. By regulating the contents of the three elements Na, Mn and Ni in the positive electrode material on the inner surface and the outer surface of the hollow structure, the sodium-ion secondary battery containing the positive electrode material can exhibit high capacity characteristics and good high-temperature cycle stability and kinetic performance.

POSITIVE ELECTRODE ACTIVE MATERIAL COMPRISING LITHIUM-RICH MANGANESE-BASED OXIDE, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026079907A1

According to one embodiment of the present invention, provided are a positive electrode active material, a method for manufacturing same, and a lithium secondary battery comprising same, the positive electrode active material comprising: a core comprising a lithium-rich manganese-based oxide in which the molar ratio of lithium to transition metals excluding lithium is more than 1 and the molar content of manganese in the transition metals is 50 mol % or more; and a surface layer positioned on the surface of the core and comprising a compound in which Li/Me (where Me is a metal excluding Li) is less than 1 on a molar basis, wherein the core has a structure in which a layered structure and a rock-salt structure are mixed, and the surface layer has an olivine structure or an amorphous structure.

Verfahren zur Herstellung eines Batterietroges für die Aufnahme einer Energieversorgungseinheit für eine mobile Arbeitsmaschine

Resumen de: DE102025105317A1

Die Erfindung betrifft ein Verfahren zur Herstellung eines Batterietroges (2) für die Aufnahme einer Energieversorgungseinheit, insbesondere mindestens eines Lithium-Ionen-Batteriemoduls, für eine mobile Arbeitsmaschine, insbesondere ein Flurförderzeug, wobei der Batterietrog (2) zumindest teilweise mit einem Ballastmaterial (3) verfüllt wird, wobei der Batterietrog (2) eine Außenhülle (6) mit einer Außenwandung (5) aufweist, wobei in den Batterietrog (2) in einem Befüllvorgang das Ballastmaterial (3) eingefüllt wird. Das Ballastmaterial (3) wird während des Befüllvorgangs mit einem Verbundstoff (15) besprüht.

BATTERY

Resumen de: WO2026077184A1

The present application provides a battery, and the battery comprises a casing and a jelly roll arranged inside of the casing. The casing comprises a casing wall and a casing bottom, as well as an opening opposite to the casing bottom. A plurality of casing bottom protruding strips are arranged on an inner side of the casing bottom. The casing bottom is directly electrically connected to the jelly roll by means of the plurality of casing bottom protruding strips. The center of the casing bottom is further provided with a counterbore and a liquid injection hole located within the counterbore, and the liquid injection hole is provided with a straight cylinder wall extending from the casing bottom. According to the present application, the jelly roll is directly electrically connected to the casing bottom portion of the casing, so that a negative electrode current collecting disc is eliminated, thereby reducing the number of components, simplifying steps of a welding process and steps of an assembly process, reducing costs, and improving production efficiency. In addition, the electrical path is shortened and the internal resistance of a battery cell is reduced, thereby improving the power performance of the battery cell. The liquid injection bore in the present application has a straight cylinder wall extending from the casing bottom, so that the sealing effect is improved.

ELECTRICITY STORAGE MODULE AND METHOD OF DISASSEMBLING ELECTRICITY STORAGE MODULE

Resumen de: US20260106252A1

An electricity storage module includes a bipolar electrode having a positive-electrode active material provided on a first surface of a current collector foil and a negative-electrode active material provided on a second surface of the current collector foil, an electrode laminated body having a plurality of the bipolar electrodes laminated therein, and a sealing portion made of a resin. The sealing portion is provided in a peripheral edge portion of the current collector foil and seals a place between the bipolar electrodes adjacent to each other in the lamination direction of the electrode laminated body. The sealing portion has a depressed portion that provides a gap between the peripheral edge portions of the current collector foils adjacent to each other in the lamination direction.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106245A1

The battery processing method for processing the lithium-ion battery including a positive electrode material and a negative electrode material includes a lithium deposition step of charging the lithium-ion battery while cooling a part thereof to deposit lithium on the negative electrode material.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106253A1

The battery processing method for processing the lithium-ion battery including a positive electrode material and a negative electrode material includes a first lithium deposition step of depositing lithium on the negative electrode material by performing pulse charging while cooling the lithium-ion battery.

Battery Cell

Resumen de: US20260106301A1

A battery cell has an outer shell that encloses an interior space. Battery cell elements are arranged in the interior space. At least one fastening element is fastened to the outer shell, by way of which a temperature sensor is fastened in a form-fitting manner and is thermally connected to the outer shell.

BATTERY PROCESSING METHOD

Resumen de: US20260103390A1

A battery processing method for processing a lithium-ion battery including a positive electrode material and a negative electrode material includes: a lithium deposition step of charging the lithium-ion battery to deposit lithium on the negative electrode material; and a lithium collection step of collecting lithium from the negative electrode material.

PROACTIVE TEMPERATURE MANAGEMENT STRATEGY FOR VEHICLE BATTERY SYSTEMS

Resumen de: US20260106257A1

A proactive temperature management technique for a battery system of an electrified vehicle includes estimating a temperature of the battery system based on measured inlet and outlet temperatures of a fluid in the cooling system at respective inlet and output points of the cooling system relative to the battery system, detecting a proactive temperature management condition when a measured current flowing through the battery system exceeds one or more current thresholds, in response to detecting the proactive temperature management condition, controlling the cooling system to increase a flow of the fluid therethrough to proactively cool the battery system to a target temperature, after the proactive temperature management condition has expired, estimating a state of charge (SOC) of the battery system based on the estimated temperature of the battery system, and controlling the battery system based on the estimated SOC of the battery system.

BATTERY USING MULTI FIN STRUCTURE, METHOD OF MANUFACTURING THE BATTERY, AND COOLING CHANNEL

Resumen de: US20260106259A1

A battery using a multi fin structure, the battery including a plurality of cells configured to perform a charge and discharge function, and a cooling channel under the plurality of cells to adjust a temperature of each of the plurality of cells, wherein the cooling channel includes a fin having a multi-structure.

Kontaktierungssystem für Batterieeinzelzellen eines Batteriemoduls

Resumen de: DE102024003371A1

Die Erfindung betrifft ein Kontaktierungssystem (5) für Batterieeinzelzellen (2) eines Batteriemoduls (1) mit Zellverbindern (8, 10, 11) zur Kontaktierung der Zellpole (3, 4) von wenigstens zwei der Batterieeinzelzellen (2) des Batteriemoduls (1). Das erfindungsgemäße Kontaktierungssystem ist dadurch gekennzeichnet, dass wenigstens einer der Zellverbinder (8, 10, 11) einen innenliegenden Kühlkanal (9) zur Aufnahme eines Kühlmediums aufweist.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260106258A1

0000 A battery module includes a plurality of battery cells, a cooling plate between a first battery cell and a second battery cell of the plurality of battery cells, the first battery cell and the second battery cell being arranged along a first direction, and the cooling plate extending along a second direction perpendicular to the first direction, a thermally conductive elastic member between the first battery cell and the cooling plate, the thermally conductive elastic member extending along the second direction and having a first surface in contact with a first surface of the first battery cell and a second surface, opposite to the first surface, in contact with a first surface of the cooling plate, and a module frame accommodating the plurality of battery cells, the cooling plate, and the thermally conductive elastic member.

CELL BRACKET AND IMMERSION-TYPE LIQUID-COOLED BATTERY PACK

Resumen de: US20260106300A1

0000 Provided are a cell bracket and an immersion-type liquid-cooled battery pack. A first surface of the cell bracket includes a plurality of cell limiting grooves configured to accommodate cells of the battery pack. A protrusion block for supporting a cell is disposed in a respective cell limiting groove. In a state where an end surface of the cell abuts against the protrusion block, a flow gap exists between a groove bottom surface of the cell limiting groove and the end surface of the cell. The cell bracket further has a second surface opposite to the first surface. A communication hole penetrating the first surface and the second surface is disposed on the cell bracket and is configured to communicate with a liquid hole of a liquid-cooled plate of the battery pack.

MULTISYSTEM LEVEL BATTERY ENERGY STORAGE SYSTEM LIFE MODEL ESTIMATION

Resumen de: US20260104463A1

0000 A method for estimating and controlling a battery energy storage system (BESS) life model. Receiving a BESS life model that estimates an expected remaining useful life of the BESS at multiple hierarchical levels. The BESS life model is generated by a process including constructing a cell-level degradation model based on laboratory test data representing degradation behavior of a plurality of battery cells; generating cell life predictions by executing a Monte Carlo simulation; aggregating the cell life predictions into pack life models by selecting a worst-performing cell; aggregating the pack life models into a node life model; and generating a system-level life estimate based on the node life model. Adjusting an operational parameter of the BESS based on the received BESS life model, wherein the operational parameter includes one or more of a charge rate, a discharge rate, a depth of discharge, a cooling system setpoint, and a module-level balancing.

ANODE MATERIAL, AND ANODES INCLUDING SAID MATERIAL, FOR USE IN SECONDARY BATTERIES

Resumen de: WO2026078225A1

An anode material for use in the anode of a secondary cell, wherein the anode material comprises processed natural graphite, and wherein the processed natural graphite has a primary particle size of from 30 to 500nm, and comprises pores with an average pore diameter, calculated as a volume average, of from 30 to 300nm, and further has a pore size distribution such that the pores with a diameter less than 1000nm provide a pore volume that is 10% or less of the total pore volume. The material enables a fast charge performance to be obtained that is comparable to that of artificial graphite.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US20260106138A1

A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. A negative electrode for a rechargeable lithium battery includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, wherein the negative electrode active material layer includes a negative electrode active material. The negative electrode active material includes a first negative electrode active material including a matrix containing a first crystalline carbon and silicon dispersed in the matrix, and a second negative electrode active material including a second crystalline carbon. The second negative electrode active material has a graphitization degree of about 88% to about 94%.

ELECTROLYTE SOLUTION AND METHOD FOR PRODUCING SAME, BATTERY, AND VEHICLE

Resumen de: WO2026079154A1

The present invention relates to an electrolyte solution comprising N(FSO2)2 anions, PF6 anions, anions represented by general formula (1), and a non-aqueous solvent, wherein the content of the anions represented by general formula (1) with respect to the N(FSO2)2 anions is 0.03-0.8 in terms of molar ratio, and the content of the N(FSO2)2 anions with respect to the PF6 anions is not less than 0.3 in terms of molar ratio.

Verfahren zum Laden eines ersten elektrochemischen Energiespeichers eines elektrisch antreibbaren Fahrzeugs mittels mindestens eines zweiten elektrochemischen Energiespeichers des elektrisch antreibbaren Fahrzeugs

Resumen de: DE102024209946A1

Verfahren zum Laden eines ersten elektrochemischen Energiespeichers (201) eines elektrisch antreibbaren Fahrzeugs (200) mittels mindestens eines zweiten elektrochemischen Energiespeichers (202) des elektrisch antreibbaren Fahrzeugs (200).

SEPARATOR, PREPARATION METHOD THEREOF AND ELECTROCHEMICAL DEVICE INCLUDING SAME

Resumen de: WO2026079728A1

According to one aspect of the present invention, provided are a thin-film separator and a preparation method thereof, the thin-film separator capable of improving resistance characteristics and suppressing a decrease in lifespan due to Li electrodeposition caused by repeated charging and discharging. The separator according to an aspect of the present invention may have the advantage of implementing an electrical resistance value of 1 Ω or less, for example, 0.4 Ω or less, while having a thickness of 8 µm or less. To this end, according to one aspect of the present invention, provided are a separator having a controlled minimum pore size in a polymer substrate, and a preparation method thereof.

BATTERY MATERIAL

Resumen de: WO2026078357A1

Provided is a particulate active electrode material having a D50 particle diameter of at least 250 nm, comprising: particles of an oxide comprising Nb, the particles comprising at least a partial coating formed of a coating material; wherein the coating material is selected from: metal oxides, metal sulfates, metal phosphates, metalloid oxides, metalloid sulfates, and metalloid phosphates.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND PREPARATION METHOD THEREOF

Resumen de: WO2026079765A1

The present invention relates to a separator prepared by a dry process and an electrochemical device comprising same A separator according to an aspect of the present invention is prepared by a dry process, and a battery to which the separator is applied exhibits the advantage of implementing a low resistance value and thereby implementing high output characteristics.

SYSTEM AND METHOD FOR MANAGING BATTERIES

Resumen de: WO2026079583A1

The system and method for managing batteries can allocate unique identification information to each of a plurality of batteries through a single hard-wired line even when a higher battery capacity is required for a vehicle, and thus can reduce manufacturing costs.

Verfahren zur Herstellung einer Referenzelektrode, Akkumulator und System

Resumen de: DE102024209970A1

Die Erfindung betrifft ein Verfahren zur Herstellung einer Referenzelektrode (1), wobei eine Aufschlämmung (6) mit aktivem Material, elektrisch leitendem Material und Bindemittel zur Herstellung der Elektrode wenigstens 12 Stunden lang getrocknet wird.Die Erfindung betrifft einen Akkumulator mit einer Anode (16), einer Kathode (17), einem Elektrolyten und einer Referenzelektrode (1), wobei die Referenzelektrode (1) zylinderförmig ist und aus aktivem Material, elektrisch leitendem Material und Bindemittel gebildet ist und im Inneren einen aus Metall bestehenden Draht (2) als Stromkollektor umfasst.Die Erfindung betrifft ein System mit dem Akkumulator und einem Batteriemanagementsystem, das in Abhängigkeit von der Referenzelektrode steuert oder überwacht.

METHOD AND APPARATUS FOR INSPECTING COATING STATUS OF PUNCHING OIL USING VISION

Resumen de: US20260105586A1

0000 An apparatus for inspecting a coating status of punching oil includes a first sprayer, a first inspector, and a second sprayer, and a control unit. The first sprayer sprays punching oil onto an electrode plate according to a first spray direction and a first spray amount setting value, the first inspector acquires a first image of the electrode plate by using a first camera, the control unit determines whether or not an uncoated area of the electrode plate is present based on the first image, and when the uncoated area is determined to present on the electrode plate, the control unit sets a second spray direction and a second spray amount setting value to be applied by the second sprayer, and the second sprayer sprays punching oil onto the electrode plate according to the second spray direction and the second spray amount setting value.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260103776A1

A battery processing method for processing a lithium-ion battery including a positive electrode material, a negative electrode material, and an electrolytic solution and configured by laminating the positive electrode material and the negative electrode material in a lamination direction, the battery processing method includes: a gas generation step of generating gas in the lithium-ion battery; and a lithium deposition step of charging the lithium-ion battery by increasing a pressing force in the lamination direction on at least a part thereof in comparison with a remaining portion to deposit lithium on the negative electrode material.

BATTERY CLUSTER

Resumen de: US20260106297A1

0000 A battery cluster is provided that includes a plurality of battery packs configured to be electrically coupled to one another and to external electrical equipment. Each battery pack includes a charging-discharging circuit, a low-voltage interface and a high-voltage interface. The plurality of battery packs includes at least one first-type pack having a pack-level battery management circuit and a high-voltage switching circuit in a high-voltage power path, and at least one second-type pack lacking the pack-level battery management circuit but including a cell-monitoring circuit. The first-type and second-type packs are interconnected such that a same high-voltage power path extends through both, and opening the high-voltage switching circuit of the first-type pack interrupts current flowing through the high-voltage power path. The pack-level battery management circuit communicates with the cell-monitoring circuit via the low-voltage interfaces to obtain measurement information and control at least the high-voltage switching circuit.

BATTERY MODULE

Resumen de: US20260106277A1

A battery module, including a plurality of battery cell units, each battery cell unit having a plurality of battery cells in parallel in a first direction, the plurality of battery cell units aligned in a second direction perpendicular to the first direction, a housing accommodating the plurality of battery cell units, the housing including a bottom plate, a first plate between the plurality of cell units and the bottom plate, the first plate including a first flow path, and a second plate between the plurality of cell units, the second plate including a second flow path connected to the first flow path, wherein a same fire-extinguishing agent flows in the first flow path and the second flow path.

COOLING BEAM FOR A BATTERY PACK

Resumen de: US20260106262A1

0000 A cooling beam having a first end and a second end spaced from the first end, comprising one or more outer plates extending between the first end and the second end, the one or more outer plates each having an upper end and a lower end that each extend between the first end and the second end of the cooling beam, and the one or more outer plates each having an inner surface and an outer surface spaced from the inner surface, one or more cooling channels extending between the first end and the second end and coupled to the inner surface of the one or more outer plates, and a coolant pathway arranged between the inner surface of the one or more outer plates and the one or more cooling channels, the coolant pathway configured to carry a fluid between one or more inlets and one or more outlets.

LITHIUM-SULFUR BATTERIES WITH PRELITHIATED CATHODES

Resumen de: WO2026080212A1

The present invention provides a battery including an anode, a sulfur or composite sulfur material cathode, a separator and/or an electrolyte, and a modulation layer. The sulfur or composite sulfur cathode may be partially or fully prelithiated with a lithium composition comprised of lithium metal powder, a polymer binder compatible with the lithium metal powder and a rheology modifier compatible with the lithium metal powder. A modulation layer may be positioned between the prelithiation layer and the cathode. The modulation layer may be derived from a polymer material or may be a ceramic compound comprising a ceramic and a polymer.

BATTERY COOLING CONTROL APPARATUS AND BATTERY COOLING CONTROL METHOD

Resumen de: WO2026079685A1

A battery cooling control apparatus and a battery cooling control method are provided. The battery cooling control apparatus according to the present invention comprises: a cooling network provided for cooling a plurality of battery blocks; and a control unit for determining a target refrigerant path according to battery monitoring information indicating a state parameter of each of the plurality of battery blocks, and controlling the cooling network such that the target refrigerant path is formed between the inlet and the outlet of the cooling network.

BATTERY DIAGNOSTIC DEVICE FOR ELECTRIC PROPULSION MACHINE AND SHIP PROPULSION SYSTEM

Resumen de: US20260104470A1

0000 A battery diagnostic device for an electric propulsion machine. The battery diagnostic device is configured to diagnose a battery configured to supply electric power to a motor for driving a propeller of the electric propulsion machine. The battery diagnostic device includes a controller configured to perform a battery diagnosis process of diagnosing the battery by discharging from the battery to the motor, in a state where a boat to which the electric propulsion machine is attached is moored, determine whether the boat has moved, and stop discharging from the battery to the motor for diagnosing the battery, in a case where the controller determines that the boat has moved during the battery diagnosis process.

A METHOD FOR FORMATION OF A SOLID ELECTROLYTE INTERFACE (SEI) LAYER IN A BATTERY

Resumen de: WO2026078716A1

The present disclosure provides a method for forming a solid electrolyte interface (SEI) layer in a battery comprising a cathode, an anode, and an electrolyte having an additive, the method comprising the steps of: a) first charging the pre-assembled case to a first potential (Vi) to reduce the additive; b) subsequent second charging to a second potential (V2) to intercalate lithium from the electrolyte to an anode of the battery; and c) sequential charging to a third potential (V3) and discharging to a fourth potential (V4) to form the solid electrolyte interface layer in the battery. Further, the present disclosure provides a battery formed by the method as disclosed herein

POSITIVE ELECTRODES AND RECHARGEABLE LITHIUM BATTERIES INCLUDING THE SAME

Resumen de: US20260106154A1

0000 A positive electrode for a rechargeable lithium battery includes a positive electrode current collector and a positive electrode mixture layer on the positive electrode current collector, wherein the positive electrode mixture layer includes a positive electrode active material and a binder including a hydrogenated carboxylated nitrile butadiene rubber. The hydrogenated carboxylated nitrile butadiene rubber includes, based on a total weight of 100 wt % of the hydrogenated carboxylated nitrile butadiene rubber: about 20 wt % to about 40 wt % of a first structural unit derived from acrylonitrile; about 30 wt % to about 78 wt % of a second structural unit including a hydrogenated butadiene-derived structural unit and a butadiene-derived structural unit; about 2 wt % to about 10 wt % of a third structural unit derived from an acrylate; and about 0 wt % to about 20 wt % of a fourth structural unit derived from butene.

Li, Mn-RICH CATHODE FOR HIGH-ENERGY AND HIGH-RETENTION Li-ION BATTERY

Resumen de: US20260106145A1

A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is Li1.2Ni0.2Mn0.6O2 triple doped with Na+, Co3+, and Mg2+. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyte, wherein the cathode is the aforementioned lithium, manganese-rich cathode.

Halterahmenanordnung für Batteriezellen sowie eine Energiespeicheranordnung

Resumen de: DE102024129950A1

Die Erfindung betrifft eine Halterahmenanordnung für Batteriezellen (4, 6, 8) mit einem ersten und einem zweiten Halteorgan (12, 14), die jeweils alternierend versetzt zueinander angeordnete, miteinander verbundene Halteteile (16, 18, 20; 22, 24, 26) aufweisen, dadurch gekennzeichnet, dass mindestens eines der Halteorgane (12, 14) elektrische Leitmittel (36) zur elektrischen Kontaktierung von Polorganen (28, 30) der Batteriezellen (4, 6, 8) aufweist.

Inspektionsvorrichtung zum bildsensorbasierten Inspizieren eines Objekts

Resumen de: DE102024130064A1

Die Erfindung betrifft eine Inspektionsvorrichtung zum bildsensorbasierten Inspizieren eines Objekts (3) wobei die Inspektionsvorrichtung (1) aufweist:eine Transporteinrichtung zum Transport eines zu inspizierenden physischen Objekts (3) entlang eines Transportpfads; eine Bildsensorik (6) mit zumindest einem Bildsensor (35) zum zumindest abschnittsweisen bildsensorischen Abtasten des Objekts (3) entlang einer Betrachtungsrichtung (18) während das Objekt (3) durch die Transporteinrichtung entlang des Transportpfads kontinuierlich relativ zur Bildsensorik (6) bewegt wird; und eine Beleuchtungseinrichtung zum Beleuchten einer jeweils zu inspizierenden Oberfläche des Objekts (3) in einem durch die Bildsensorik (6) erfassbaren Wellenlängenbereich, sodass die Bildsensorik (6) die Oberfläche in einem derart beleuchtenden Oberflächenbereich zumindest abschnittsweise bildsensorisch erfassen kann. Die Bildsensorik (6) weist eine Anzahl N, mit N ≥ 1, von einzeln oder kumulativ als Kontakt-Bildsensor, CIS, ausgebildeten digitalen Zeilenkameras (7) mit jeweils einer Mehrzahl von in einer Zeile angeordneten und jeweils eine Linse (28) aufweisenden Kamerapixeln (27) auf und die Zeilen der N Zeilenkameras (7) verlaufen jeweils quer zum Transportpfad. Die Beleuchtungseinrichtung ist konfiguriert, zum Beleuchten der zu inspizierenden Oberfläche des Objekts (3) Licht zu erzeugen und es entlang eines Strahlengangs (24) auszurichten, dessen Richtung mit der Betrachtungsrichtung (18) zusam

ELECTRONIC DEVICE AND NOTIFICATION PROVISION METHOD THEREFOR

Resumen de: WO2026079643A1

According to an embodiment disclosed in the present document, an electronic device may comprise: a communication circuit; a memory for storing one or more instructions; and a processor, wherein when executed, the one or more instructions cause the processor to: identify first information related to a battery pack, the first information being obtained from a first device provided in a vehicle; identify second information related to the vehicle, the second information being obtained from a second device provided in the vehicle; provide a first notification related to the state of the battery pack to a user's terminal on the basis of the first information; and when the first notification is provided, provide a second notification related to the state of the battery pack to the user's terminal on the basis of the second information.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2026079281A1

This non-aqueous electrolyte secondary battery includes: an electrode body in which a first electrode (11) and a second electrode that are band-shaped and have different polarities are wound with a separator interposed therebetween; and an exterior body that accommodates the electrode body. The first electrode (11) has a core body (30) and a mixture layer (32) formed on a surface of the core body (30). An exposed portion (31) where the core body (30) is exposed is formed on a surface of the first electrode (11), and an electrode tab (19) is joined to the exposed portion (31). In the electrode tab (19), at least a corner portion between a tip surface (19a) in the winding axis direction of the electrode body overlapping the exposed portion (31) and a joining surface joined to the exposed portion (31) is chamfered.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106255A1

0000 A battery processing method for processing a lithium-ion battery including a positive electrode material, a negative electrode material, and an electrolytic solution and configured by laminating the positive electrode material and the negative electrode material in a lamination direction includes a lithium deposition step of charging the lithium-ion battery by increasing a pressing force in the lamination direction on a central portion in a plane perpendicular to the lamination direction in comparison with remaining portions to deposit lithium on the negative electrode material.

SECONDARY BATTERY INSPECTION APPARATUS, SECONDARY BATTERY INSPECTION METHOD, AND SECONDARY BATTERY MANUFACTURING METHOD

Resumen de: US20260106238A1

A secondary battery inspection apparatus includes a first support member configured to support an electrode tab bundle in which a plurality of electrode tabs extending outward from an electrode assembly are stacked from below, a displacement sensor configured to calculate a measurement value indicating a thickness of the electrode tab bundle by pressing the electrode tab bundle with a force from above, and a processor configured to determine whether the electrode tab bundle is normal based on the measurement value calculated by the displacement sensor.

ALL-SOLID-STATE BATTERY

Resumen de: US20260106158A1

Disclosed are negative electrodes and all-solid-state batteries. The negative electrode includes a negative electrode current collector, a first negative electrode coating layer on the negative electrode current collector and including a first metal and a first carbon, and a second negative electrode coating layer on the first negative electrode coating layer and including a second metal and a second carbon. ΔG1 is given as Gibbs free energy of a chemical reaction at 250° C. between the first metal and molten lithium. ΔG2 is given as Gibbs free energy of a chemical reaction at 250° C. between the second metal and molten lithium. ΔG1 and ΔG2 satisfies the relationship of ΔG1<ΔG2. A ratio of a thickness of the second negative electrode coating layer to a thickness of the first negative electrode coating layer is about 0.6 to about 1.4.

BATTERY PACK COOLANT REDIRECTING SUPPORT ASSEMBLY AND COOLANT REDIRECTING METHOD

Resumen de: US20260106263A1

0000 A battery pack assembly includes an enclosure assembly having an interior area, first and second cell stacks within the interior area, and a support assembly disposed between the first and second cell stacks within the interior area. The support assembly is configured to redirect a coolant that has been communicated over the first cell stack before the coolant is communicated over the second cell stack.

BATTERY MODULE AND METHOD FOR MANUFACTURING BATTERY MODULE

Resumen de: US20260106298A1

0000 Disclosed is a battery module including battery cells extending in a first direction, and disposed in a second direction crossing the first direction, a sensing assembly disposed on one side of the battery cell in the first direction, a module housing that covers the battery cells and the sensing assembly, a cover coupled to the module housing and covering the sensing assembly, and a sealing gasket disposed between the cover and the sensing assembly and that fixes the sensing assembly.

POSITIVE ELECTRODE ACTIVE MATERIAL, BATTERY, AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US20260106149A1

0000 A positive electrode active material comprises secondary particles and titanium bodies, wherein each of the secondary particles includes primary particles, each of the primary particles includes a phosphate compound having an olivine-type structure, the titanium bodies include titanium oxide having a rutile-type structure, and at least one of the titanium bodies is present on a surface of the primary particle.

BATTERY MODULE

Resumen de: WO2026079019A1

This battery module 1 comprises a plurality of battery cells 10, a cell holder 20, and one or more heat pipes 50. Each battery cell 10 has a first end surface part 11 and a second end surface part 12 opposing each other in a cell length direction, and a side surface part 13 connecting the first end surface part 11 to the second end surface part 12. The cell holder 20 has a plurality of accommodation parts 21 for individually accommodating the plurality of battery cells 10 such that the cell length directions thereof are aligned with each other, and each accommodation part 21 surrounds the side surface part 13 of the battery cell 10. The heat pipe 50 is embedded in the cell holder 20, extends along the cell length direction between the plurality of accommodation parts 21, and has a protruding end part 50a protruding from the cell holder 20.

COOLING BEAM FOR A BATTERY PACK

Resumen de: US20260106261A1

0000 A cooling beam having a first end and a second end spaced from the first end, and including a center plate extending between the first end and the second end, and a first surface and a second surface opposite the first surface, one or more cooling channels extending between the first end and the second end and coupled to the first surface and the second surface, and a coolant pathway arranged between the center plate and the one or more cooling channels, the coolant pathway configured to carry a fluid between one or more inlets and one or more outlets.

SYSTEM AND METHOD TO ACCOUSTICALLY DETECT EARLY THERMAL RUNAWAYS IN LITHIUM-ION BATTERIES

Resumen de: WO2026080257A1

A thermal runaway detection system to detect early-stage lithium-ion battery thermal runaways at the safety valve breakage stage includes one or more microphones configured to transduce audio signals into electrical signals; and a controller configured to receive the electrical signals and, using a deep-learning detection model, determine when an electrical signal corresponding to a respective acoustic signal indicates a safety valve breakage in a lithium-ion battery. The deep-learning detection model was trained by acoustic data obtained from a plurality of incidents in which one or more lithium-ion batteries undergo thermal runaway.

COATING APPARATUS AND ELECTRODE MANUFACTURING APPARATUS COMPRISING COATING APPARATUS

Resumen de: US20260106198A1

0000 A coating apparatus may include a separating part configured to separate a composite substrate including a first substrate, a second substrate, and a central functional layer between a first surface of the first substrate and a first surface of the second substrate. The separating part may include a first slurry nozzle positioned at one side of the separating part and configured to apply a slurry onto the first surface of the first substrate, and a second slurry nozzle positioned at an other side of the separating part and configured to apply an other slurry onto the first surface of the second substrate. An electrode manufacturing apparatus may include the coating apparatus.

A METHOD OF FORMATION OF A SECONDARY BATTERY

Resumen de: WO2026078727A1

The present disclosure provides a method of formation of a secondary battery comprising a metal current collector, the method comprising: tap-charging the battery to a first potential (Va) greater than reduction potential of at least one electrolyte additive to partially form a solid electrolyte interphase (SEI) layer; thermal aging the tap-charged battery to densify the solid electrolyte interphase layer; and performing consecutive charging on the aged battery to a second potential (Vb) enabling complete reduction of the electrolyte additive for the SEI layer formation; and discharging to a third potential (Vc) to obtain the battery, wherein tap-charging to the first potential (Va) partially reduces the electrolyte additive Further, the present disclosure provides a battery formed by the method as disclosed herein.

RECHARGEABLE BATTERY AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260106281A1

0000 A rechargeable battery and a battery pack including the same are disclosed. A rechargeable battery includes a case including a first side portion, an electrode assembly accommodated in the case, and a cap plate facing the electrode assembly in a first direction and having a contact region in contact with the first side portion, and the contact region includes a bonded region and a non-bonded region between the first side portion and the cap plate, and an adhesive portion is in at least a portion of a first region of the first side portion corresponding to the non-bonded region.

BATTERY MODULE

Resumen de: US20260106295A1

A battery module includes a cell assembly including a plurality of battery cells; and a band that includes an elastic material, and surrounds the cell assembly while applying pressure, and each of the plurality of battery cells includes a case; and a pair of tabs extending from at least one side of the case and passing through the band.

RECHARGEABLE LITHIUM BATTERIES

Resumen de: US20260106150A1

A rechargeable lithium battery includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and an electrolyte, wherein the positive electrode active material layer includes a lithium iron phosphate positive electrode active material, and wherein the rechargeable lithium battery has an N/P ratio of greater than or equal to about 1.33 and less than about 1.48.

DRY FRIABLE FLUOROPOLYMER AGGLOMERATE COMPOSITIONS FOR USE AS BINDER IN LITHIUM-ION SECONDARY BATTERY ELECTRODES

Resumen de: US20260106155A1

0000 Fluoropolymer compositions for use as binder in a lithium-ion secondary battery electrodes are described, as well as methods of their manufacture, and electrode compositions and lithium-ion secondary batteries utilizing such. The fluoropolymer compositions are dry friable agglomerates manufactured by cocoagulation of aqueous dispersions of a first tetrafluoroethylene polymer having a melt creep viscosity of at least about 0.5×1011 poise, and a second polymer different from the first polymer. These fluoropolymer compositions afford lithium-ion secondary batteries with improved performance, through such as improved loading of electrodes, and stability of PTFE binder in the anode, and result in lithium-ion secondary batteries having improved performance, such as improved capacity and improved reversible capacity retention.

Bauteil, Bauteilverbund und Verfahren zur Herstellung eines Bauteilverbunds

Resumen de: DE102025000920A1

Die Erfindung betrifft ein Bauteil (1), ausgebildet zu einer Verschweißung mit zumindest einem weiteren Bauteil (2.1 bis 2.k), mit zumindest einem zu einer Verschweißung mit dem zumindest einen weiteren Bauteil (2.1 bis 2.k) in einem Überlappstoß oder Parallelstoß ausgebildeten Schweißabschnitt (4.1 bis 4.n), wobei der Schweißabschnitt (4.1 bis 4.n) eine zur Anlage an dem zumindest einen weiteren Bauteil (2.1 bis 2.k) ausgebildete Fügefläche (A1 bis An) aufweist. Erfindungsgemäß weist das Bauteil (1) mehrere Halteabschnitte (5.1 bis 5.m) auf, wobei die Halteabschnitte (5.1 bis 5.m) an gegenüberliegenden, sich an einen Rand der Fügefläche (A1 bis An) anschließenden Seitenflächen des zumindest einen Schweißabschnitts (4.1 bis 4.n) angeordnet sind, zu einer indirekten und/oder direkten mechanischen Kopplung mit zumindest einem Niederhalter einer Schweißvorrichtung und zu einer Verformung mittels des zumindest einen Niederhalters ausgebildet sind und aus einem Material gebildet sind, welches mit geringerem Kraftaufwand verformbar ist, als ein Material des Schweißabschnitts (4.1 bis 4.n). Die Erfindung betrifft weiterhin einen Bauteilverbund (3) und ein Verfahren zur Herstellung eines Bauteilverbunds (3).

COMPOSITION SET FOR SECONDARY BATTERY ELECTRODE, FIRST COMPOSITION, SECOND COMPOSITION, COMPOSITION 1 FOR SECONDARY BATTERY ELECTRODE, COMPOSITION 2 FOR SECONDARY BATTERY ELECTRODE, COMPOSITION 3 FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY AND ELECTRODE FOR SECONDARY BATTERY, AND METHOD FOR MANUFACTURING COMPOSITION FOR SECONDARY BATTERY ELECTRODE

Resumen de: WO2026079394A1

The purpose of the present invention is to provide a composition set for a secondary battery electrode with which it is possible to form a secondary battery electrode that can cause a secondary battery to exhibit excellent cycle characteristics. A composition set for a secondary battery electrode according to the present invention comprises a first composition that contains carbon nanotubes 1, and a second composition that contains carbon nanotubes 2. The G/D ratio of the carbon nanotubes 1 is 4 or less, and the G/D ratio of the carbon nanotubes 2 is greater than the G/D ratio of the carbon nanotubes 1 by 3 or more.

COSOLVENT SYSTEM FOR IMPROVED ELECTROLYTES IN BATTERIES

Resumen de: WO2026080214A1

Herein discussed is an electrochemical device comprising an anode, a cathode, and an electrolyte; wherein the electrolyte comprises at least one sulfonamide solvent and a cosolvent; wherein the viscosity of the cosolvent is at least two times lower than the viscosity of the sulfonamide solvent; wherein the cosolvent comprises a fluorinated ether, a non-fluorinated linear carbonate ester, a non-fluorinated sulfide, or combinations of any two or more thereof; and wherein the electrolyte comprises a salt substantially dissolved in the solvent or cosolvent or both; wherein the sulfonamide solvent has formula R1-SO2-N-R2R3 wherein R1 is selected from the group consisting of -F, -CF3, -N(CH3)2, and -NCH2CH3; and wherein each of R2 and R3 is independently selected from the group consisting of -H, -CH3, and -CH2CH3. Methods of making and using such devices are also discussed herein.

Batterie und Kraftfahrzeug

Resumen de: DE102024129476A1

Die vorliegende Erfindung betrifft eine Batterie (10) umfassend: eine einzige Batteriezelle (1), und eine Gleichspannungswandlerschaltung (2), die ausgebildet ist, eine von der einzigen Batteriezelle (1) bereitgestellte Batteriezellspannung (Uz) in eine extern abgreifbare Batterieausgangsspannung (Ua) zu wandeln. Die vorliegende Erfindung betrifft ferner ein Kraftfahrzeug (100) umfassend: eine derartige Batterie (10), und ein Bordnetz (20), das im Betrieb von der Batterie (10) mit der Batterieausgangsspannung (Ua) versorgt wird.

LITHIUM SECONDARY BATTERY

Resumen de: US20260106212A1

A lithium secondary battery includes a cathode, an anode and non-aqueous electrolyte solution. The cathode includes a cathode active material layer that includes a first cathode active material including lithium metal phosphate particles, and a second cathode active material including lithium transition metal oxide particles. The anode faces the cathode. The non-aqueous electrolyte solution includes an organic solvent and a lithium salt. A weight ratio of the first cathode active material relative to the second cathode active material in the cathode active material layer is in a range from 1.5 to 9. A concentration of the lithium salt in the non-aqueous electrolyte solution exceeds 1 M.

ENERGY STORAGE SYSTEM

Resumen de: US20260106299A1

An energy storage system includes a rack frame, a rack tray which is obliquely installed in the rack frame and on which a battery module is seated, and a position fixer configured to support the battery module such that a position of the battery module is fixed.

BATTERY MODULE

Resumen de: US20260106269A1

Provided is a battery module including a plurality of battery cells positioned side by side along a first direction with main surfaces thereof facing each other, each battery cell including a lower vent, an insulation layer covering the lower vents of the plurality of battery cells, and a lower sheet located under of the insulation layer, wherein the lower sheet includes a first adhesive layer attached to the insulation layer and second adhesive layers located on each of opposite sides of the first adhesive layer and attached to lower surfaces of the plurality of battery cells, wherein the second adhesive layers are positioned spaced apart from the first adhesive layer.

METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US20260103397A1

A method for preparing a positive electrode active material may include (i) preparing core particles including a lithium nickel-based composite oxide; (ii) adding the core particles to an aqueous (e.g., water-soluble) solvent and mixing them to prepare a first mixed solution, and adjusting pH of the first mixed solution to a range between about 5.5 and about 7.5; (iii) adding an aluminum raw material to the first mixed solution and mixing them to prepare a second mixed solution; and (iv) removing an aqueous (e.g., water-soluble) solvent from the second mixed solution to prepare a dried product. The positive electrode active material and the rechargeable lithium battery that are prepared by using the method for preparing the positive electrode active material may exhibit high initial charge/discharge capacity and high efficiency even under high-voltage driving conditions and may implement long cycle-life characteristics under high-voltage and high-temperature conditions.

Batteriemodul

Resumen de: DE102025135710A1

Ein Batteriemodul (1) umfasst: ein Außengehäuse (12), das so konfiguriert ist, dass es einen Energiespeichermodulstapel (11) aufnehmen kann, wobei das Außengehäuse (12) einen Stromabnehmer (121) umfasst, der so konfiguriert ist, dass er Strom aus dem Energiespeichermodulstapel (11) leitet, und einen laminierten Dichtungsabschnitt (122), der so konfiguriert ist, dass er das Außengehäuse (12) mit einem Außengehäuse (12) eines anderen Batteriemoduls (1) verbindet. Der Stromabnehmer (121) und der laminierte Dichtungsabschnitt (122) sind mit einem Dichtungsmaterial (123, 124, 127, 128) verbunden, und das Dichtungsmaterial (123, 127) ist diskontinuierlich an einem Umfangsrand des Stromabnehmers (121) angeordnet.

MULTI-VOLTAGE AUXILIARY POWER SYSTEM FOR HEAVY-DUTY EQUIPMENT

Resumen de: US20260106233A1

0000 A multi-voltage auxiliary power system is for heavy-duty equipment having a starter and vehicle electronics powered by a nominal 12V supply. The multi-voltage auxiliary power system has a battery system configured to provide first and second output voltage levels that are different from each other, in which the first output voltage level is higher than the second output voltage level; and control circuitry configured to: detect a cranking event in the heavy-duty equipment; in response to detecting the cranking event, apply the first output voltage level to the starting and battery system; and switch to applying the second output voltage level to sustain the nominal 12V supply for the vehicle electronics when the cranking is complete.

SULFIDE SOLID-STATE ELECTROLYTE AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026077064A1

The present application provides a sulfide solid-state electrolyte and a preparation method therefor, a battery cell, a battery device, and an electric device. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and a solid-state electrolyte membrane located between the positive electrode sheet and the negative electrode sheet. The solid-state electrolyte membrane comprises a sulfide solid-state electrolyte, and the sulfide solid-state electrolyte satisfies: 0.5≤(Dv90-Dv10)/Dv50≤3.0, wherein Dv10 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 10%, Dv50 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 50%, and Dv90 is a corresponding particle size at which the cumulative volume distribution percentage of the sulfide solid-state electrolyte reaches 90%. The battery cell provided by the embodiments of the present application exhibits improved cycle performance.

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, SOLID-STATE BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026076933A1

The present application relates to a positive electrode sheet and a preparation method therefor, a solid-state battery cell, a battery device, and an electric device. The positive electrode sheet comprises a positive electrode material and a composite ionic liquid; the composite ionic liquid is located in the positive electrode material, and the composite ionic liquid comprises a solvated ionic liquid and a lithium salt; the anions in the solvated ionic liquid include one or more of TFSI-, FSI-, PF6-, BF4-, and AlCl4-, and the anions in the lithium salt include one or more of TFSI-, FSI-, DBOF-, PF6-, ClO4-, BOB-, AsF6-, BF4-, and CF3SO3-. The positive electrode sheet of the present application can improve the cycle stability and initial coulombic efficiency of a solid-state battery cell.

COATED SEPARATOR AND PREPARATION METHOD THEREFOR

Resumen de: WO2026077335A1

The present invention relates to the technical field of battery separators. Disclosed are a coated separator and a preparation method therefor. A mixed coating of polyethylene wax and ceramic is applied on the separator, and the separator quickly achieves pore closure at a low temperature, thereby forming a novel multifunctional lithium-ion battery separator having high fast-charging safety.

Verfahren und System zum Laden einer Hochvolt-Batterie eines elektrisch betreibbaren Fahrzeugs

Resumen de: DE102024003340A1

Die Erfindung betrifft ein Verfahren zum Laden einer Hochvolt-Batterie (20) eines elektrisch betreibbaren Fahrzeugs (10) an einer Ladeeinrichtung (30), wobei die Hochvolt-Batterie (20) beim Start eines Ladevorgangs, wenn die Hochvolt-Batterie (20) sich in einem für den Ladevorgang ungünstigen Temperaturbereich befindet, mit einem Stromprofil (40) geladen wird, welches einen Gleichstromanteil (42) und einen Wechselstromanteil (44) aufweist. Dabei wird der Wechselstromanteil (44) mindestens so lange beibehalten, bis die Hochvolt-Batterie (20) sich in einem für den Ladevorgang günstigen Temperaturbereich befindet.Die Erfindung betrifft ferner ein System (100) zum Laden einer Hochvolt-Batterie (20) eines elektrisch betreibbaren Fahrzeugs (10).

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: US20260106339A1

0000 A secondary battery, including an electrode assembly including a winding of a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case having an opening on one side, the case accommodating the electrode assembly, an electrode tab coupled with the first electrode, and a cap assembly configured to seal the opening by being coupled with the one side of the case, wherein the cap assembly includes an electrode terminal electrically connected to the electrode tab, the electrode terminal having a through hole through which the electrode tab passes, and an insulating cap connected to an outer peripheral surface of the electrode terminal and to be coupled to an inner peripheral surface of the case.

SECONDARY BATTERY MODULE, METHOD OF MANUFACTURING THE SAME, AND INSULATION UNIT FOR SECONDARY BATTERY MODULE

Resumen de: US20260106270A1

0000 The present disclosure relates to a secondary battery module and a method of manufacturing the same. A secondary battery module may include a module case that provides an internal space, a plurality of battery cells disposed in the module case, and a plurality of insulation units that are interposed between the battery cells and maintain a distance between the battery cells, wherein each of the insulation units includes a variable housing that accommodates a filler injected from the outside and expands due to a pressure of the filler to increase the distance between the battery cells or shrinks by receiving a pressure of the battery cells, and a filler passage provided at one side of the variable housing to allow the filler to pass therethrough.

POLYMER ELECTROLYTE PRECURSOR COMPOSITION, POLYMER ELECTROLYTE, AND LITHIUM SECONDARY BATTERY

Resumen de: WO2026079928A1

The present invention relates to a polymer electrolyte precursor composition, a polymer electrolyte, and a lithium secondary battery. The polymer electrolyte according to the present invention, which comprises a precursor composition formed by reacting a compound represented by chemical formula 1 with a crosslinking agent, exhibits excellent ionic conductivity, charge-discharge efficiency, and thermal stability when applied to a lithium secondary battery.

PIEZO-RESISTIVE PRESSURE SENSOR AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260106237A1

A piezo-resistive pressure sensor includes: a first electrode layer including an electrode material having a positive temperature coefficient of resistance (PTC); a first sensing layer laminated on the first electrode layer, and including a conductive material having a negative temperature of coefficient of resistance (NTC); a second sensing layer laminated to contact or be spaced apart from the first sensing layer, and including a conductive material having a negative temperature coefficient of resistance (NTC); and a second electrode layer laminated on the second sensing layer, and including an electrode material having a positive temperature coefficient of resistance (PTC).

LITHIUM BATTERY ELECTROLYTE AND LITHIUM BATTERY

Resumen de: WO2026077131A1

To solve the problem that the performance of lithium-ion batteries still needs to be improved, the present disclosure provides a lithium battery electrolyte and a lithium battery. The electrolyte comprises an organic solvent, a lithium salt, and an additive, wherein the additive comprises additive S having a structural general formula of Formula (I). The lithium battery electrolyte of the present disclosure exhibits excellent performance, being capable of improving the room-temperature cycling performance of lithium-ion batteries, suppressing gas generation after high-temperature storage, improving discharge efficiency at low temperatures, and also improving the room-temperature cycling performance of lithium-ion batteries at high voltages.

ELECTRODE MIXTURE FOR SODIUM ION SECONDARY BATTERY, ELECTRODE FOR SODIUM ION SECONDARY BATTERY, AND ALL-SOLID-STATE SODIUM ION SECONDARY BATTERY

Resumen de: WO2026079051A1

Provided is an electrode mixture for a sodium ion secondary battery, the electrode mixture making it possible to realize a high level of both electron conductivity and ion conductivity, and realize a high level of both cycle properties and output properties.　The electrode mixture for a sodium ion secondary battery comprises: a positive electrode active substance containing sodium transition metal phosphate crystals that comprise Na, M (where M is at least one transition metal element selected from Cr, Fe, Mn, Co, V, and Ni), P, and O; and a conductive auxiliary agent containing fibrous carbon and granular carbon.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US20260106147A1

0000 In some example embodiments, a positive electrode active material includes a first positive electrode active material including a lithium cobalt-based composite oxide and having an average particle diameter (D<50>) of about 15 μm to about 20 μm; and a second positive electrode active material including a lithium nickel-cobalt-manganese-based composite oxide and having an average particle diameter (D<50>) of about 3 μm to about 10 μm; wherein the second positive electrode active material is included in an amount of about 10 wt % to about 25 wt % based on a total of 100 wt % of the first positive electrode active material and the second positive electrode active material, and in the lithium nickel-cobalt manganese-based composite oxide, based on 100 mol % of a total metal excluding lithium, a nickel content is about 55 mol % to about 60 mol % and a cobalt content is greater than or equal to about 20 mol %.

COMPOSITE ACTIVE MATERIAL, BATTERY, AND MANUFACTURING METHODS FOR SAME

Resumen de: US20260103394A1

0000 Disclosed is a composite active material having high capacity and low resistance. The composite active material of the present disclosure comprises an active material particle and a coating portion. The active material particle has an O2-type structure. The active material particle comprises, as constituent elements, Li; at least one transition metal element among Mn, Ni, and Co; and O. The active material particle is tabular. The coating portion covers at least a portion of a surface of the active material particle. The coating portion comprises a sulfide solid electrolyte.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026077063A1

The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and a solid-state electrolyte membrane located between the positive electrode sheet and the negative electrode sheet. The solid-state electrolyte membrane comprises a first electrolyte layer close to the positive electrode sheet, and a second electrolyte layer close to the negative electrode sheet. The first electrolyte layer comprises a bromine-based sulfide solid-state electrolyte, and the second electrolyte layer comprises a chlorine-containing sulfide solid-state electrolyte. The battery cell in embodiments of the present application has improved cycle performance.

SEPARATOR, PREPARATION METHOD THEREOF, AND ELECTROCHEMICAL DEVICE INCLUDING SAME

Resumen de: WO2026079717A1

According to one aspect of the present invention, a thin film separator with improved insulation properties and a preparation method thereof are provided. According to one aspect of the present invention, the separator can have an advantage of implementing a dielectric breakdown voltage of 1,000 V or less while having a thickness of 8 μm or less. To this end, according to one aspect of the present invention, the separator having a controlled maximum pore size within a polymer substrate and a preparation method thereof are provided.

BATTERY CELL MANUFACTURING METHOD

Resumen de: WO2026079777A1

This battery cell manufacturing method comprises: a first aging step of increasing electrolyte wettability of a battery cell; and an activation step including a step of charging/discharging the battery cell in which the first aging step has been completed, wherein the first aging step includes performing a pressing cycle of pressing the battery cell and releasing the pressing at least once.

BATTERY AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260106205A1

A battery includes: a plurality of electrode sheets stacked in a specific direction and connected in series; and an outer frame made of resin and covering peripheries of the electrode sheets. The outer frame has a first hole extending from a surface of the outer frame in the specific direction through at least one of the electrode sheets to a specific electrode sheet out of the electrode sheets. A side surface of the first hole is covered with resin. The side surface of the first hole is a side surface extending in the specific direction.

MANAGEMENT MODULE AND BATTERY MODULE INCLUDING THE SAME

Resumen de: US20260104472A1

0000 A management module, including a sensing module including a sensing module body, a sensing part extending from the sensing module body, the sensing part detecting operation information of battery cells, and a sensing pad portion on the sensing module body, the sensing pad portion being electrically connected to the sensing part, and a communication module including a communication module body and a communication pad portion on the communication module body, the communication module being in contact with the sensing pad portion and receiving the operation information.

TRACTION BATTERY SYSTEM

Resumen de: WO2026077539A1

A traction battery system (114) for a vehicle (100) comprises a battery (116) comprising a plurality of voltaic cells and a first side (124) at which a voltaic cell of the battery (116) can emit infrared electromagnetic radiation. A thermal measurement apparatus (118) in also provided for measuring a temperature in respect of the first side (124) and detecting overheating of the voltaic cells. The apparatus also comprises an infrared reflector (122) substantially overlying the first side (124) in spaced relation thereto, the infrared reflector (122) and the first side (124) cooperating to provide a cavity waveguide (120). An infrared electromagnetic radiation measurement sensor apparatus is also provided comprising an infrared electromagnetic radiation sensor device (128) having a field of view that is directed into a space between the infrared reflector (122) and the first side (124) of the battery (116).

ALL-SOLID-STATE BATTERY

Resumen de: WO2026079558A1

An all-solid-state battery includes a laminate having a first surface and a second surface opposing each other in a first direction, a third surface and a fourth surface opposing each other in a second direction intersecting the first direction, and a fifth surface and a sixth surface opposing each other in a third direction perpendicular to both the first and second directions. The laminate comprises a solid electrolyte layer, positive electrode layers, and negative electrode layers alternately stacked in the third direction with the solid electrolyte layer interposed therebetween. An exterior member is positioned on the third, fourth, fifth, and sixth surfaces of the laminate and comprises an insulating resin. The solid electrolyte layer, the positive electrode layer, and the negative electrode layer each have one end aligned with the third surface and the other end aligned with the fourth surface, forming a compact and structurally stable battery design.

WINDING CORE FOR MANUFACTURING ELECTRODE ASSEMBLY AND METHOD FOR MANUFACTURING ELECTRODE ASSEMBLY USING SAME

Resumen de: WO2026079624A1

The present invention relates to a winding core for manufacturing an electrode assembly and a method for manufacturing an electrode assembly using same, wherein the winding core is withdrawn without being accompanied by a separator or an electrode when withdrawing after completing the winding of the electrode assembly, thereby improving production yield. The winding core for manufacturing an electrode assembly, according to an embodiment of the present invention, winds a jellyroll-type electrode assembly. Here, the winding core includes a first winding core member, a second winding core member, and a spacer. The first core member and the second core member are disposed to face each other. The spacer is interposed between the first core member and the second core member to at least partially space the first core member and the second core member apart from each other.

Verfahren zum Laden eines ersten elektrochemischen Energiespeichers eines elektrisch antreibbaren Fahrzeugs mittels mindestens eines zweiten elektrochemischen Energiespeichers des elektrisch antreibbaren Fahrzeugs

Resumen de: DE102024209947A1

Verfahren zum Laden eines ersten elektrochemischen Energiespeichers (201) eines elektrisch antreibbaren Fahrzeugs (200) mittels mindestens eines zweiten elektrochemischen Energiespeichers (202) des elektrisch antreibbaren Fahrzeugs (200).

Li, Mn-RICH CATHODE FOR HIGH-ENERGY AND HIGH-RETENTION Li-ION BATTERY

Resumen de: US20260106135A1

0000 A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is Li<1.2>Ni<0.2>Mn<0.6>O<2 >triple doped with Na<+>, Co<3+>, and Mg<2+>. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyte, wherein the cathode is the aforementioned lithium, manganese-rich cathode.

Verfahren zur Herstellung eines Batteriemoduls und Batteriemodul

Resumen de: DE102024003339A1

Die Erfindung betrifft ein Verfahren zur Herstellung eines Batteriemoduls (100) für eine Hochvolt-Batterie eines elektrisch betreibbaren Fahrzeugs, wenigstens umfassend die Schritte Bereitstellen von Batteriezellen (10); Vergießen der Batteriezellen (10) mit einer ersten Vergussmasse (22) in einzelnen Teilmodulen (20), wobei Hohlräume (16) zwischen den Batteriezellen (10) mit der ersten Vergussmasse (22) ausgefüllt werden; Elektrisches Kontaktieren von Zellpolen (12) der Batteriezellen (10) jeweils eines Teilmoduls (20) mit einer Zellverbindungseinrichtung (14); Anordnen der Teilmodule (20) in einem Gehäuse (110) des Batteriemoduls (100) und Verbinden der Teilmodule (10) mit dem Gehäuse (110) über eine Wärmeleitmasse (24); Ausgießen von Zwischenräumen zwischen den einzelnen Teilmodulen (20) und zwischen den Teilmodulen (20) und dem Gehäuse (110) mit einer zweiten Vergussmasse (26).Die Erfindung betrifft ferner ein Batteriemodul (100) für eine Hochvolt-Batterie eines elektrisch betreibbaren Fahrzeugs.

ELECTRODE ASSEMBLY, BATTERY CELL, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026079948A1

In an electrode assembly according to one embodiment of the present invention, a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis so that a core and an outer circumferential surface are defined, and tape is attached to at least one portion of the separator.

METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026079705A1

According to exemplary embodiments, a method for manufacturing a secondary battery is provided. The method comprises the steps of: accommodating an electrode assembly in a cell case, the electrode assembly including a cathode, an anode and a separator between the cathode and the anode, the cathode comprising a cathode current collector layer and a cathode active material layer, and the cathode active material layer comprising lithium iron phosphate and lithium iron oxide; and bonding a deoxidation sheet to the cell case.

Batteriemodul und Verfahren zur Herstellung eines solchen

Resumen de: DE102024209964A1

Die Erfindung betrifft ein Batteriemodul mit einer Mehrzahl an Batteriezellen (2), welche in einem Gehäuse (3) des Batteriemoduls (1) aufgenommen ist, wobei das Batteriemodul (1) weiterhin eine Temperiereinrichtung (4) aufweist, und die Mehrzahl an Batteriezellen (2) thermisch leitend mit der Temperiereinrichtung (4) verbunden angeordnet ist, wobei die Temperiereinrichtung (4) von einem Temperierfluid durchströmbar ausgebildet ist, wobei die Temperiereinrichtung (4) der mit einem Phasenwechselmaterial (5) gefüllt ist, dass eine Durchströmbarkeit mit dem Temperierfluid zumindest teilweise reduziert ist.

VENTING SYSTEM FOR TRACTION BATTERY PACK

Resumen de: US20260106314A1

A traction battery pack venting system includes a first group of battery cells, a second group of battery cells, and a vent chamber sandwiched between a first group of battery cells and the second group of battery cells. The first group of battery cells and the second group of battery cells are each configured to vent to the vent chamber.

ALL-SOLID-STATE BATTERY

Resumen de: WO2026079950A1

An all-solid-state battery according to an embodiment may include: a laminate that has a curved shape and includes a positive electrode layer, a solid electrolyte layer, and a negative electrode layer that are alternately stacked; and an external electrode disposed outside the laminate, wherein the laminate may include a bent portion.

Ermittlung von Zelldickenwachstum einer Batterie durch Gehäuserotation

Resumen de: DE102024003341A1

Die Erfindung betrifft eine Batterie mit einer ersten Endplatte (1) und mit einer an die erste Endplatte (1) angrenzend angeordneten zweiten Endplatte (2), wobei an der ersten Endplatte (1) ein Vorbau (3) mittels eines Verbindungselements (4) angeordnet ist, und am Vorbau (3) ein der zweiten Endplatte (2) zugewandtes elektrisches Kontaktelement (5) angeordnet ist, welches in einem Neuzustand der Batterie von der zweiten Endplatte (2) beabstandet ist und zur zweiten Endplatte (2) bewegt wird, wenn durch eine von zunehmendem Zelldickenwachstum hervorgerufene Biegung der ersten Endplatte (1) und eine damit einhergehende Rotation des Verbindungselements (4) der Vorbau (3) mit dem elektrischen Kontaktelement (5) gedreht wird, und wobei das elektrische Kontaktelement (5) bei Erreichen eines Grenzwerts im Abstand zur zweiten Endplatte (2) ein elektrisches Signal auslöst.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026079266A1

Provided is a lithium secondary battery that improves charging/discharging characteristics. A lithium secondary battery according to the present invention comprises a positive electrode, a negative electrode, and an electrolyte solution. The electrolyte solution includes lithium ions, additional metal ions that are ions of a metal element that has a lower first ionization energy than lithium, and a fluoroalkyl ether. The concentration of the metal ions in the electrolyte solution is greater than 0 mol/L but no greater than 0.05 mol/L.

ELECTRODE VISION INSPECTION DEVICE AND METHOD

Resumen de: WO2026079908A1

The present invention provides an electrode vision inspection device (10) comprising: a first light emission unit (100) that includes a first light-emitting unit (110) for emitting a first light (L1) directed toward a first surface (S1) on one side in the thickness direction of an electrode unit (50) and a second light (L2) passing through the outside of the edge of the first surface (S1), and a film (130) arranged on an optical path of at least a part of the second light (L2) so as to change the brightness or color of the passing light; a second light emission unit (200) that includes a second light-emitting unit (210) for emitting a third light (L3) directed toward a second surface (S2) of the other side in the thickness direction of the electrode unit (50); a first image acquisition unit (300), which senses the first light (L1) reflected on the first surface (S1), so as to acquire a first image (G1); a second image acquisition unit (400), which senses the third light (L3) reflected on the second surface (S2) and the second light (L2), so as to acquire a second image (G2); and a detection unit (500) for detecting an edge position or contour of the electrode unit (50) or a predetermined part (P) of the electrode unit (50) on the basis of brightness values or color values of the first image (G1) and the second image (G2).

BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026079622A1

A battery module according to the present invention for achieving the aforementioned objective may include: a cell frame for accommodating battery cells; a bracket mounted on the cell frame; a fixing member mounted on the bracket to fix a wire harness disposed above the bracket; and a fastening member for fastening the cell frame and the bracket.

BATTERY STATE ESTIMATION DEVICE AND BATTERY STATE ESTIMATION METHOD

Resumen de: WO2026078879A1

A battery capacity estimation device comprises: a measurement unit 11 that measures the impedance (Z) of a secondary battery 1; and a battery state estimation unit 12 that estimates the state of the secondary battery 1. The measurement unit 11 measures the impedance (Z) at a plurality of frequencies and determines a local minimum value frequency at which the absolute value of an imaginary part of the impedance (Z) is a local minimum value. The battery state estimation unit 12 estimates, on the basis of the local minimum value frequency determined by the measurement unit 11, the temperature of the secondary battery 1 by using the correlation between the local minimum value frequency and the temperature of the secondary battery 1.

BATTERY DEVICE

Resumen de: WO2026079683A1

The technical idea of the present invention relates to a battery device comprising: a housing having an inner space for accommodating battery cells; a venting valve mounted in the housing and configured to discharge gas to the outside; and a valve protection cover disposed on an inlet side, facing the inner space of the housing, of the venting valve. The valve protection cover includes: a front wall that includes a first venting hole and is disposed to face the inlet of the venting valve in a first direction; a peripheral wall extending along the perimeter of the front wall; and a hole cover that is connected to the front wall so as to cover at least a portion of the first venting hole of the front wall in the first direction, and has a passage for connecting the first venting hole of the front wall to the inner space of the housing.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106241A1

0000 A battery processing method for processing the lithium-ion battery including a positive electrode material and a negative electrode material includes: a first step of charging the lithium-ion battery while cooling to deposit lithium on the negative electrode material; a second step of increasing a temperature of the lithium-ion battery; and a third step of charging the lithium-ion battery while cooling again to deposit lithium on the negative electrode material.

BATTERY PACK

Resumen de: US20260106264A1

0000 A battery pack includes a base cover, a plurality of battery cells contacting with the base cover, and a plate which is disposed between the plurality of battery cells and that includes a plate channel through which cooling water flows, and the plate channel includes a first heat-exchange area that exchanges heat with the base cover and a second heat-exchange area which is disposed below the first heat-exchange area and that exchanges heat with the battery cells.

SENSING MODULE AND BATTERY MODULE INCLUDING THE SAME

Resumen de: US20260106250A1

A sensing module, including a busbar holder, a slot passing through the busbar holder in a first direction, a first substrate on the busbar holder, a second substrate extending from the first substrate toward the slot, a temperature sensor connected to the second substrate, a first protective member connected to the second substrate, the first protective member surrounding the temperature sensor, and a support member supporting the first protective member inside the slot.

SULFIDE-BASED SOLID ELECTROLYTE, METHOD FOR PREPARING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026079822A1

The present invention relates to a sulfide-based solid electrolyte, a method for preparing same, and an all-solid-state battery comprising same.

WEARABLE ELECTRONIC DEVICE, BATTERY PACK, AND METHOD FOR OPERATING WEARABLE ELECTRONIC DEVICE

Resumen de: WO2026079836A1

A wearable electronic device according to one embodiment of the present disclosure may comprise: a communication module for communication with an external battery pack; at least one processor; and a memory for storing instructions. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can acquire sensing data from the external battery pack. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can determine whether the battery pack is in contact with a user's body on the basis of the sensing data. When the instructions are individually or collectively executed by the at least one processor, the wearable electronic device can differently set a trigger temperature value for starting heat control of the battery pack according to whether the battery pack is in contact with the user's body. Various other embodiments are also possible.

SEPARATOR STRUCTURES FOR MITIGATING THE TRANSFER OF THERMAL ENERGY INSIDE TRACTION BATTERY PACKS

Resumen de: US20260106268A1

Battery systems are provided for traction battery packs. An exemplary battery system may include a first cell stack, a second cell stack, and a separator arranged between the first and second cell stacks. The separator may be configured to mitigate the transfer of thermal energy from cell stack-to-cell stack, structurally integrate the battery system to perimeter structures, inhibit cell displacement due to external forces, resist cell expansion forces, etc.

SYSTEM AND METHOD FOR MAKING MEASURING ELEMENTS FOR TIRES

Resumen de: WO2026078454A1

According to the present invention, there is provided a system for manufacturing measuring element for tires and the operation method of the system. The measuring element comprises a PCBA, a battery, a shell, thermosetting resin and an adhesive. The system comprises: - at least one coupling line in which the PCBA and the battery are coupled and soldered; - at least one preparation line wherein the shells are prepared to receive soldered batteries and PCBAs; - at least one insertion line wherein the soldered PCBA and battery are inserted into said shells; - a thermal treatment line in which glues and resins are processed to glue the PCBA to the shell and to fill the shell to obtain a body of the measuring element into which the shell is immersed; - a milling and gluing station in which the resin is finished and adhered to an adhesive.

CLAMPING DEVICE

Resumen de: WO2026079687A1

The present invention relates to a clamping device, and the clamping device according to an aspect of the present invention forms the upper portion of a cylindrical case in which an electrode assembly is accommodated, and comprises: a movable block; an actuator capable of moving the movable block; a fixed block which is fixed at one side of the movable block so as to restrict the moving distance of the movable block; a support frame which can move in the vertical direction according to the movement of the movable block; and a forming unit which is supported by the support frame and can form the upper portion of the case.

SECONDARY BATTERY NEGATIVE ELECTRODE AND SECONDARY BATTERY

Resumen de: WO2026079219A1

A secondary battery negative electrode (12) is characterized in that: included are a negative electrode current collector (40) and a negative electrode mixture layer (42) that is provided on the negative electrode current collector (40); the negative electrode mixture layer (42) includes a first negative electrode mixture layer (42a) containing a first negative electrode active material and a first binder, and includes a second negative electrode mixture layer (42b) containing a second binder and a second negative electrode active material containing graphite coated with amorphous carbon; the first negative electrode mixture layer (42a) is disposed on the negative electrode current collector (40)-side; the second negative electrode mixture layer (42b) is disposed on the surface side of the negative electrode mixture layer (42); in the second negative electrode mixture layer (42b), the contained amount of graphite coated with amorphous carbon is 50 mass% or more with respect to the total mass of the second negative electrode active material; and the Young's modulus of the second binder in the second negative electrode mixture layer (42b) is greater than the Young's modulus of the first binder in the first negative electrode mixture layer (42a).

NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026079797A1

A negative electrode according to exemplary embodiments of the present invention comprises: a negative electrode current collector; and a negative electrode active material layer disposed on the negative electrode current collector, wherein the negative electrode active material layer comprises a first area disposed on the negative electrode current collector and including niobium oxide as a negative electrode active material, and a carbon-based material which is a negative electrode active material and is disposed on the first area.

SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND ELECTRICAL APPARATUS

Resumen de: WO2026076640A1

The present application relates to the technical field of batteries, and specifically relates to a secondary battery, a manufacturing method therefor, and an electrical apparatus. The secondary battery comprises a positive electrode film layer; the positive electrode film layer comprises a positive electrode active material and an additive; the additive comprises a first organic matter; the first organic matter comprises a first functional group; and the first functional group comprises any one or more of a primary amino group, a secondary amino group, a tertiary amino group, a quaternary amino group, a nitrogen-nitrogen double bond, a carbon-nitrogen double bond, and a carbon-carbon double bond. The design method provided in the present application is conducive to improving the cycle life of a battery.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106242A1

0000 A battery processing method for processing a lithium-ion battery including a positive electrode material and a negative electrode material includes a lithium deposition step of performing pulse charging of the lithium-ion battery under cooling to deposit lithium on the negative electrode material. In the pulse charging, a charging phase Fc and a charging pause phase Fs are performed alternately, at least the charging phase Fc is performed plural times, and the lithium-ion battery is cooled in the charging phase Fc.

BATTERY PROCESSING METHOD AND BATTERY PROCESSING SYSTEM

Resumen de: US20260106254A1

0000 The battery processing method for processing the lithium-ion battery that includes a positive electrode material and a negative electrode material and is configured by laminating the positive electrode material and the negative electrode material in a lamination direction, and wherein gas is internally present, the battery processing method including: a gas extrusion step of extruding the gas toward a peripheral edge portion of the lithium-ion battery in a plane perpendicular to the lamination direction; and a cooling and charging step of depositing lithium on the negative electrode material by charging the lithium-ion battery while cooling.

ULTRASONIC SOLID-STATE BATTERY STRUCTURE CAPABLE OF REMOVING LITHIUM DENDRITES

Resumen de: US20260106230A1

0000 An ultrasonic solid-state battery structure capable of removing lithium dendrites, comprising two ultrasonic electrode bodies, a solid electrolyte disposed between the two ultrasonic electrode bodies, and a separation assembly connected to the two ultrasonic electrode bodies, wherein the separation assembly drives each of the two ultrasonic electrode bodies either to closely contact or to separate from the solid electrolyte, and when in a separated state, a separation gap is formed between the ultrasonic electrode bodies and the solid electrolyte.

SUB-PACK AND BATTERY PACK COMPRISING SAME

Resumen de: WO2026079736A1

The disclosed sub-pack comprises: a heat sink; side frames integrally formed on both sides of the heat sink; a plurality of cooling channels formed inside the heat sink, spaced apart from each other and extending in parallel with a direction in which the side frames extend; a plurality of refrigerant ports provided on both surfaces of the heat sink so as to be in communication with the respective cooling channels; and at least one battery assembly mounted on an upper surface of the heat sink, wherein the refrigerant ports may include: a protruding plug port disposed on one side of the heat sink; and a concave socket port having a shape complementary to that of the plug port disposed on the other side of the heat sink.

Batteriemodul mit einem Ausgleichselement zur Swelling-Kompensation

Resumen de: DE102024129432A1

Die Erfindung betrifft ein Batteriemodul für ein Kraftfahrzeug mit einem Ausgleichselement zur Swelling-Kompensation. Das Batteriemodul umfasst einen Batteriezellenstapel (12) aus mehreren in einer Stapelrichtung (S) gestapelten Batteriezellen (20), ein Modulendelement (14), sowie ein Ausgleichselement (30), das zwischen dem Modulendelement (14) und einer dem Modulendelement (30) gegenüberliegenden ersten Batteriezelle (21) des Batteriezellenstapels (12) angeordnet ist. Das Ausgleichselement (30) weist einen auf Höhe des mittleren Bereichs (22) der ersten Batteriezelle (21) angeordneten mittleren Bereich (32) und einen auf Höhe eines Batteriezellendeckels (23) der ersten Batteriezelle (21) angeordneten äußeren Bereich (34) auf. Hierbei ist das Ausgleichselement (30) dazu ausgebildet, bei einer durch ein Swelling der ersten Batteriezelle (21) bedingten Kraftbeaufschlagung des Ausgleichselements (30) in dem mittleren Bereich (32) des Ausgleichselements (30) in Richtung der Kraftbeaufschlagung zu deformieren, zur Verringerung einer Druckspannung im mittleren Bereich (22) der ersten Batteriezelle (21). Ferner ist das Ausgleichselement (30) dazu ausgebildet ist, bei einer durch ein Swelling der ersten Batteriezelle (21) bedingten Kraftbeaufschlagung des Ausgleichselements mittels des äußeren Bereichs (34) des Ausgleichselements (30) eine entgegengesetzt zur Richtung der Kraftbeaufschlagung gerichtete Kraft und/oder eine Druckspannung auf den Bereich des Batteriezellendecke

Zellhalter, Batteriemodul und Fahrzeug

Resumen de: DE102024003378A1

Die Erfindung betrifft einen Zellhalter (1), umfassend eine Trennwand (2) sowie zwei an gegenüberliegenden Kanten der Trennwand (2) vorgesehene Gleitführungselemente (3), welche dazu eingerichtet sind, sich bei einer Anordnung in einem Packaging-Raum eines Modulrahmens (6) jeweils über Gleitführungsflächen (4) formschlüssig an Gleitführungsschienen (5) des Modulrahmens (6) abzustützen, wobei zumindest zwei Zellhalter (1) orthogonal zu einer Erstreckungsebene (E) der Trennwand (2) zur Ausbildung einer Zell-Aufnahme (7) für eine galvanische Zelle (8) stapelbar sind, wobei jeweilige Zellhalter (1) im gestapelten Zustand relativ gegenüber dem Modulrahmen (6) und zueinander in Stapelrichtung (SR) bewegbar sind. Der erfindungsgemäße Zellhalter ist dadurch gekennzeichnet, dass die Gleitführungselemente (3) jeweils eine Aussparung (9) zum Hindurchführen von Zellableitern (10) galvanischer Zellen (8) sowie ein elektrisch leitfähiges Klemmelement (11) zum Festklemmen der Zellableiter (10) in der Aussparung (9) aufweisen; undjedes Gleitführungselement (3) zumindest einen Steckverbinder (12) und eine Anschlussleitung (13) für den Steckverbinder (12) aufweist, wobei der Steckverbinder (12) über die Anschlussleitung (13) elektrisch leitend mit dem Klemmelement (11) und/oder zumindest einem am Zellhalter (1) angeordneten Sensorelement zum Erfassen einer Betriebskenngröße der galvanischen Zelle (8) verbunden ist.

BATTERY MANAGEMENT SYSTEM OPERATION

Resumen de: US20260106235A1

0000 A controller is presented. The controller is configured for controlling a battery management system. The battery management system comprises a plurality of battery management subsystems in at least partially different voltage domains. The controller comprises a transceiver. The transceiver is configured for directly communicating with each battery management subsystem individually. Further, a battery management system and a method for controller controlling a battery management system are presented.

Stromversorgungsschaltung zur Stromversorgung eines elektrisch betriebenen Fahrzeugs

Resumen de: DE102024129811A1

Die Erfindung betrifft eine Stromversorgungseinrichtung (200) zur Stromversorgung eines elektrisch betriebenen Fahrzeugs mittels eines Batteriepacks (110), insbesondere eines Flurförderzeugs. Die Stromversorgungseinrichtung umfasst eine analoge Stromversorgungsschaltung (220), die an eine Batteriespannung (111) des Batteriepacks anschließbar ist, und einen Steuereingang (224) zum Erhalt eines Steuersignals (224a) umfasst, sowie einen Spannungsversorgungsausgang (222) und einen Hilfsspannungsausgang 223 zum Bereitstellen der Batteriespannung basierend auf dem Steuersignal. Die Stromversorgungseinrichtung umfasst einen Spannungswandler (210) mit einem Wandlereingang (211), der an den Spannungsversorgungsausgang der analogen Stromversorgungsschaltung (220) angeschlossen ist; und einem Wandlerausgang (213). Der Spannungswandler ist ausgebildet, die an dem Wandlereingang anliegende Batteriespannung in eine Versorgungsspannung (214) zu wandeln und zur Stromversorgung der Batteriekomponenten an dem Wandlerausgang bereitzustellen. Die analoge Stromversorgungsschaltung ist ausgebildet, bei einer durch das Steuersignal angezeigten kritischen Tiefenentladung des Batteriepacks die Batteriespannung an den Spannungsversorgungsausgängen (222) und (223) nicht mehr bereitzustellen, um das Batteriepack vor weiterer Entladung zu schützen.

BATTERY CELL ASSEMBLY, BATTERY PACK INCLUDING SAME, AND MOVING MEANS

Resumen de: WO2026079744A1

A battery cell assembly related to one embodiment of the present invention comprises: a plurality of battery cells; a cell frame provided to accommodate the plurality of battery cells therein; a main busbar which is mounted on the cell frame and electrically connected to the plurality of battery cells; a wire member electrically connecting the main busbar and the plurality of battery cells; and a potting part provided to surround some areas of the wire member and the main busbar, wherein the main busbar includes a terminal connection part to which the wire member is coupled, and a raised part extending from the terminal connection part so as to have a height higher than the filled height of the potting part.

CONDUCTIVE COMPOSITE MATERIAL COMPRISING CARBON-BASED PARTICLES AND POLYMER PARTICLES, METHOD FOR MANUFACTURING THE SAME, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING THE SAME, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME