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586
resultados
Última actualización
25/08/2026 [07:49:00]
Resultados 125 a 150 de 586
Resumen de: US20260246001A1
0000 A battery module with controlled insulating fluid circulation according to various embodiments of the present invention is disclosed to achieve the above-described objectives. The battery module includes a housing forming an exterior, a plurality of battery cells disposed at regular intervals in an internal space of the housing, an insulating fluid provided in the internal space of the housing and having thermal conductivity and insulating properties for distributing heat of the battery cells, and a fluid circulation unit provided inside the housing to circulate the insulating fluid.
Resumen de: US20260245961A1
0000 In the composite polymer electrolyte for an all-solid-state battery according to the present invention, lithium ions are coordinated in a double-coordinated form by cations bonded to the organic framework and cationic monomer and anions of the lithium salt inside the cationic organic framework, and this double coordination structure is continuously arranged along the pore structure of the organic framework, thereby forming an aligned lithium ion conduction channel. Through this, lithium ion conductivity and battery life characteristics can be improved, interfacial charge transfer resistance can be reduced, and lithium dendrite growth can be suppressed. In addition, the composite polymer electrolyte for an all-solid-state battery of the present invention can have excellent battery capacity and Coulombic efficiency even in rapid charging, and can further improve interfacial charge transfer resistance by controlling the content of the lithium salt to promote ion cluster enhancement and adjusting the anion coordination structure at the anode interface.
Resumen de: WO2026172273A1
Battery module (3) for a battery pack (1) for a vehicle, the battery module (3) comprising a support system (4) defining a space (S') for housing a plurality of battery cells (10) and a venting system (4) defining a venting channel (V) fluidly connected to said space (S'), the battery module (3) comprising flame retardant means (7) housed in said space (S') and fluidly interposed between the battery cells (10) and the venting channel (V).
Resumen de: US20260246015A1
A secondary battery module includes a plurality of battery cells, a module case having a plurality of cell pockets into which the battery cells are fitted and a coolant passage outside the cell pockets through which a coolant flows to cool the battery cells in the cell pockets, and a coolant circulation part connected to the module case and configured to move the coolant through the coolant passage inside of the module case.
Resumen de: DE102025105998A1
Die Erfindung betrifft ein Zellverbindersystem (10) zum elektrisch leitenden Kontaktieren eines ersten Zellpols (32a) einer ersten Batteriezelle (32) mit einem zweiten Zellpol (34a) einer zweiten Batteriezelle (34), wobei das Zellverbindersystem (10) einen ersten Zellverbinder (12) zur Befestigung an dem ersten Zellpol (32a) und einen zweiten Zellverbinder (14) zum Befestigen am zweiten Zellpol (34a) umfasst. Dabei ist vorgesehen, dass der erste Zellverbinder (12) eine erste Basisplatte (16), eine ersten Schenkel-Kontaktplatte (18) und eine zweite Schenkel-Kontaktplatte (20) umfasst, die in einem ersten Abstand (L1) zueinander an einer gleichen Seite der ersten Basisplatte (16), von dieser in einem jeweiligen ersten und zweiten stumpfen Winkel (W1, W2) abstehend angeordnet sind, und wobei der zweite Zellverbinder (14) eine zweite Basisplatte (22), eine dritte Schenkel-Kontaktplatte (24) und eine vierte Schenkel-Kontaktplatte (26) umfasst, die in einem zweiten Abstand (L2) zueinander an einer gleichen Seite der zweiten Basisplatte (22), von dieser in einem jeweiligen dritten und vierten spitzen Winkel (W3, W4) abstehend angeordnet sind.
Resumen de: WO2026173257A1
The electrode assembly according to an embodiment of the present invention is an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around an axis to define a core and an outer circumferential surface, wherein at least one of the first electrode and the second electrode includes an uncoated part which is not coated with an active material at the end of a long side in the winding direction thereof; the uncoated part of the first electrode or the second electrode is divided into a plurality of segment pieces bendable independently of one another; the segment pieces are bent in the radial direction of the electrode assembly in a bending line; and a lower internal angle, which is an angle between a straight line passing through the bending line and a straight line extending from a side of the segment pieces, is formed to change as going from the core side to the outer circumference side.
Resumen de: WO2026173121A1
Disclosed is an exterior material for use in a power storage device. The exterior material comprises, in this order, a surface coating layer, a base material layer, a barrier layer, and a sealant layer. The surface coating layer is a cured product of a resin composition containing: a resin; a curing agent that reacts with the resin; and colloidal silica that reacts with the curing agent. The melting point of the sealant layer is higher than 160°C.
Resumen de: US20260245954A1
The present disclosure relates to a positive electrode for a rechargeable lithium battery, a rechargeable lithium battery including the positive electrode, and a method for manufacturing a positive electrode for a rechargeable lithium battery. The positive electrode includes a positive electrode current collector, a first positive electrode active material layer on the positive electrode current collector, and a second positive electrode active material layer on the first positive electrode active material layer. At least one of the first and second positive electrode active material layers includes a first particle and a second particle, wherein an amount of the first particle in the first positive electrode active material layer is in a range of about 55 wt % or more, and an amount of the second particle in the second positive electrode active material layer is in a range of about 55 wt % or more.
Resumen de: US20260246046A1
0000 A battery pack may be configured to be detachably attached to a battery pack attaching part by the battery pack sliding relative to the battery pack attaching part. The battery pack may include: a casing; and a plurality of battery cells accommodated inside the casing. A through hole which opens downward may be defined in the casing. In a front-rear direction, the through hole may be disposed rearward of a front end of a frontmost battery cell among the plurality of battery cells and frontward of a rear end of a rearmost battery cell among the plurality of battery cells. In an up-down direction, an inner surface of the casing at a portion where the through hole is defined may be disposed above a lower end of a lowermost battery cell among the plurality of battery cells.
Resumen de: WO2026170896A1
A battery cell and a manufacturing method therefor, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte; at least one of the positive electrode sheet, the negative electrode sheet, and the separator is provided with a coating; the coating comprises a polymer; and the coating is soluble in the electrolyte. In the battery cell, the soluble coating is introduced between layers, the coating is used for filling between the positive electrode sheet and the negative electrode sheet during the winding and shaping stage of an electrode assembly, and after the electrolyte is injected, the coating can be peeled off from between the layers and dissolve in the electrolyte, so that a relatively large gap is formed between the positive electrode sheet and the negative electrode sheet; in addition, since the coating has dissolved in the electrolyte, the risk of pore blocking is eliminated; the interlayer space provides sufficient expansion space for the electrode sheets, reducing or avoiding problems caused by expansion of the electrode sheets, i.e., extrusion of the electrolyte between the electrode sheets, difficult electrolyte reflux, and uneven electrolyte distribution, thereby enabling the battery cell to have good cycle performance.
Resumen de: WO2026173352A1
A battery pack for thermal propagation delay according to an embodiment of the present invention comprises: a plurality of battery modules comprising a plurality of battery cells; a housing for accommodating the battery modules; and a partition wall disposed between two battery modules, wherein the partition wall comprises a first partition wall member and a second partition wall member which are spaced apart from each other and disposed to face each other. A battery pack according to an embodiment of the present invention has an effect of delaying thermal propagation between battery modules.
Resumen de: WO2026173160A1
An all-solid rechargeable battery according to an embodiment comprises a stack cell including a plurality of unit cells, wherein the unit cell includes: a positive electrode plate assembly including a positive electrode plate, a positive electrode substrate tab extending from one end of the positive electrode plate, and a positive electrode probe tab extending from the other end of the positive electrode plate; a negative electrode plate assembly including a negative electrode plate, a negative electrode probe tab extending from one end of the negative electrode plate, and a negative electrode substrate tab extending from the other end of the negative electrode plate; and a solid electrolyte layer positioned between the positive electrode plate assembly and the negative electrode plate assembly.
Resumen de: US20260246047A1
A battery packaging system includes a battery packaging that accommodates a plurality of battery cells and an insulating oil. Each of the plurality of battery cells includes: an electrode lead that protrudes outward from a short side of the battery case and performs electrical connection; and an insulating unit that surrounds the electrode lead and insulates the battery case and the electrode lead from each other. The battery packaging system has an STR value of 12.5 or more, the STR value being represented as a ratio of a difference (|ST1−STF|) between a surface tension of the insulating oil and a surface energy (STF) of the insulating unit to the surface energy (STF) of the insulating unit. ST1 is a surface tension (mN/m) of the insulating oil, and STF is a surface energy (mN/m) of the insulating unit.
Resumen de: WO2026173188A1
A battery module having a fire propagation prevention structure according to the present invention comprises: a module housing, which has an internal accommodation space formed therein and has an upper plate detachably coupled to an open upper portion thereof; and a plurality of unit modules, which are accommodated in the internal accommodation space of the module housing and arranged to be in contact with each other, each unit module comprising a cell stack having a plurality of battery cells stacked therein, wherein, in order to prevent a fire occurring in any one of the plurality of unit modules from propagating to another adjacent unit module, a filling material application portion, into which a predetermined filling material is applied, is provided between the plurality of unit modules.
Resumen de: WO2026170780A1
The present application relates to the technical field of battery production devices, and in particular to a liquid-cooled power supply module and a battery charging and discharging detection device. Circuit boards are used for supplying power to a probe assembly; each heat dissipation member comprises a housing provided with a liquid inlet and a liquid outlet, the housing is internally provided with a medium flow channel communicated between the liquid inlet and the liquid outlet and used for allowing a cooling medium to pass through, and the housing is thermally-conductively connected to the circuit boards; a liquid inlet pipe is communicated with the liquid inlets, and one end of the liquid inlet pipe is configured to be connected to a cooling medium supply device so as to deliver a cooling medium to the heat dissipation members; and a liquid outlet pipe is communicated with the liquid outlets, and one end of the liquid outlet pipe is configured to be connected to a cooling medium collecting device so as to collect the cooling medium after absorbing heat. Heat exchange can be implemented between the cooling medium and the circuit boards. This design enables heat generated by the circuit boards to be effectively transferred to the cooling medium, achieving rapid heat transfer, thereby achieving a better heat conduction effect and a higher heat conduction efficiency.
Resumen de: US20260246104A1
0000 A secondary battery includes: an electrode assembly including: a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a first horizontal portion at one end of the electrode assembly; and a second horizontal portion having a step difference relative to the first horizontal portion; a can accommodating the electrode assembly; and a first electrode tab connected to the first electrode. The second electrode is coupled to the can.
Resumen de: WO2026173287A1
The present invention relates to a positive electrode active material, a method for preparing same, and a positive electrode and a lithium secondary battery comprising the positive electrode active material. The positive electrode active material includes a lithium iron phosphate-based compound and has a Q value of 0.085 cm2/s to 0.11 cm2/s as calculated by Equation 1, and thus can improve rolling density and rate characteristics. In the method for preparing a positive electrode active material, the positive electrode active material can be prepared by adjusting conditions for wet grinding and firing which are performed after mixing raw materials.
Resumen de: DE102025105891A1
Die Erfindung betrifft ein Verfahren zum elektrischen Tiefentladen wenigstens einer tiefentladefesten elektrischen Batteriezelle (2) eines Batteriepacks (1) mithilfe einer elektrischen Entladeeinrichtung (3); wobei das Verfahren folgende Schritte aufweist: a) Zuschalten der Entladeeinrichtung (3), so dass ein Entladestrom (6) durch die zugeschaltete Entladeeinrichtung (3) fließt; und b) Überwachen, ob der Entladestrom (6) unter ein vorbestimmtes Niveau absinkt.
Resumen de: WO2026172245A1
Systems and methods for managing batteries in charging and interchange stations Embodiments herein disclose systems and methods of managing batteries in battery charging and interchange stations, which comprises of managing battery addressing, detecting dead battery packs (if any), and dispensing of good battery packs at the battery charging and interchange stations.
Resumen de: US20260246098A1
A busbar interconnect for electrically connecting cell terminals of battery cells in a battery pack includes a cell bussing web having a metal sheet with slots forming adjacent busbars in the metal sheet in one or more rows and one or more columns with sacrificial connecting tabs spanning across the slots between the corresponding adjacent busbars to hold relative positions of the busbars. The sacrificial connecting tabs are configured to be removed to singulate the busbars and electrically separate the adjacent busbars from each other. The busbar interconnect includes a conductive adhesive film applied to the metal sheet. The busbar interconnect includes a sensor assembly coupled to the metal sheet having a flexible circuit spanning the metal sheet with sensing circuits electrically coupled to the corresponding busbars with the conductive adhesive film.
Resumen de: WO2026171256A1
The present application provides a current collector and a manufacturing method therefor, a secondary battery, and an electric device. The current collector comprises an alloy layer; the alloy layer comprises an alloy of iron and nickel elements; the mass content of the iron element in the current collector is greater than the mass content of the nickel element in the current collector; and the average grain size of the alloy is 8 nm to 15 nm.
Resumen de: WO2026170911A1
A battery, an electrical apparatus, a silicon carbon material and a preparation method therefor. The battery comprises a negative electrode sheet; the negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer located on at least one side of the negative electrode current collector; the negative electrode active material layer comprises a silicon carbon material, the Dv50 particle size of the silicon carbon material being a; m silicon carbon material particles each having a size d that satisfies |d-a|≤3 μm are selected from a cross section of the negative electrode active material layer, d being the maximum distance between any two points on the same silicon carbon material particle, m≥5, the total number of first holes on the m silicon carbon material particles being M, the maximum distance between any two points on each first hole being ≥10 nm, the average number of first holes on each silicon carbon particle being N, N=M/m, and 0
Resumen de: WO2026170657A1
Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises an electrode sheet; the electrode sheet comprises a current collector and a film layer provided on at least one side of the current collector; the absolute value of the difference between the room-temperature elongation at break of the current collector and the room-temperature elongation at break of the electrode sheet is less than or equal to 3%; the current collector comprises at least one first metal foil layer; the average grain size of the first metal foil layer is 5 nm -50 nm; in the first metal foil layer, the proportion of grains having a grain size less than 80 nm is greater than or equal to 90%.
Resumen de: US20260246101A1
A secondary battery module includes a plurality of battery cells each of which has a positive electrode terminal and a negative electrode terminal, a cell control unit configured to control the battery cells, and a module case configured to accommodate the battery cells and the cell control unit, wherein the cell control unit includes: a base film, bus bars on the base film and connected to the positive electrode terminal and the negative electrode terminal, and a flexible printed circuit board (FPCB) connected to the bus bars and fixed to the base film.
Nº publicación: WO2026173142A1 20/08/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774 \uC8FC\uC2DD\uD68C\uC0AC
Resumen de: WO2026173142A1
The present invention relates to an apparatus for manufacturing an all-solid-state battery and, more specifically, to an apparatus for manufacturing an all-solid-state battery, the apparatus comprising: a transfer unit which is configured to transfer, in one direction, an adhesive sheet including a metal layer and an adhesive layer; a stacking unit which provides a positive electrode stack, a gasket structure, and a negative electrode stack on the adhesive sheet to form a cell stack; a pressing unit which is configured to integrally press the adhesive sheet and the cell stack; and a peeling unit which is configured to peel the pressed cell stack from the adhesive sheet.
BOPI
Sede Electrónica
