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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 1200 a 1225 de 1242
Resumen de: EP4712195A1
Disclosed are an electrode assembly having an insulating tape attached thereto, the electrode assembly including an electrode stack constituted by a plurality of positive electrodes and a plurality of negative electrodes stacked alternately with a separator disposed therebetween, a positive electrode lead coupled to a positive electrode tab bundle constituted by positive electrode tabs protruding respectively from outer peripheries of the plurality of positive electrodes and overlapping each other, a negative electrode lead coupled to a negative electrode tab bundle constituted by negative electrode tabs protruding respectively from outer peripheries of the plurality of negative electrodes and overlapping each other, a first insulating tape attached to at least a part of an upper surface of the electrode stack, to an upper surface of a positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to an upper surface of a negative electrode coupling portion where the negative electrode tab bundle and the negative electrode lead are coupled to each other, and a second insulating tape attached to at least a part of a lower surface of the electrode stack, to a lower surface of the positive electrode coupling portion where the positive electrode tab bundle and the positive electrode lead are coupled to each other, and to a lower surface of the negative electrode coupling portion where the negative electro
Resumen de: EP4712243A1
Disclosed is a battery pack. The battery pack includes a base plate; a first battery module installed on an upper surface of the base plate; and a partition wall including a fixed wall installed on the upper surface of the base plate and having an opening facing the first battery module and a moving wall covering the opening and installed movably.
Resumen de: EP4711433A1
Disclosed are a use of a refrigerant, a method, and an apparatus for thermal management of a vehicle battery. The refrigerant comprises at least one of a natural refrigerant; a hydrofluorocarbon (HFC)-based refrigerant; a hydrofluoroolefin (HFO)-based refrigerant; a hydrochlorofluorocarbon (HCFC)-based refrigerant; a hydrocarbon-based refrigerant that is not a natural refrigerant; and a halon or a perfluorocarbon (PFC)-based refrigerant, and can be used for thermal management of the vehicle battery by controlling a temperature of said vehicle battery.
Resumen de: EP4711695A1
The present disclosure relates to an electrode drying device including a housing, an electrode transport device configured to transport an electrode through the housing unit in a first direction. An air supply is provided with the housing unit to supply air into the housing unit. A light is disposed between the electrode and the air supply device.
Resumen de: EP4712161A1
The present disclosure provides a carbon-coated fast-ionic conductor-modified positive electrode material and a preparation method therefor. The positive electrode material has a chemical general formula of LiaNixCoyMnzO2·cA·dB, where 1.00 ≤ a ≤ 1.20, 0.00 < c ≤ 0.01, 0.00 < d ≤ 0.02, 0.00 ≤ x < 1.00, 0.00 ≤ y < 0.2, 0.00 ≤ z < 0.4, and x + y + z = 1; A is a first coating material, and B is a second coating material; and the first coating material A is a carbon-coated fast-ionic conductor, and the second coating material B is a carbon escape-prevention compound. According to the present disclosure, a fast-ionic conductor modified through carbon coating is used to modify a positive electrode material, such that the ionic conductivity and the electronic conductivity of the positive electrode material are synchronously improved. In addition, the surface of the carbon-coated fast-ionic conductor is coated with boric acid due to the glassy property, such that the escape of carbon in the carbon-coated fast-ionic conductor is effectively prevented. Therefore, the present disclosure synchronously improves the ionic conductivity and the electronic conductivity of the positive electrode material, and also improves the safety of the battery.
Resumen de: EP4712173A1
Provided is a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least any one of copper, copper oxide, or a combination thereof, wherein the metal layer includes a first metal layer disposed on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer disposed on the first metal layer and including a second copper, and the adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: EP4712169A1
An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties and high-temperature stability.
Resumen de: EP4712153A1
Examples of the disclosure include an electrode substrate for a rechargeable lithium battery, an electrode and a rechargeable lithium battery including the electrode substrate, and a method for manufacturing the electrode. The electrode substrate for a rechargeable lithium battery includes a first metal layer including a first metal; an insulating layer on the first metal layer and including a polymer; and a second metal layer on the insulating layer and including a second metal. The insulating layer has an interconnected pore structure and is divided into a first region and a second region, and the first region further includes a third metal that substantially fills the interconnected pore structure within the insulating layer.
Resumen de: EP4712158A1
A solid-state battery (100) has a first collector (110), a first electrode layer (111), an electrolyte layer (120), a second electrode layer (131) and a second collector (130), in that order, wherein the first collector (110) includes a resin layer (112) that contacts the first electrode layer (111), the first electrode layer (111) contains an electrode active material, and the electrode active material has an active material resin.
Resumen de: GB2644017A
A method of recovering a metal (e.g. lithium, nickel, cobalt or manganese) from electrical or electronic material by culturing a microorganism to produce an acid, separating the acid from the microorganism and adding the acid and a reducing agent to the electrical or electronic material thus indirectly bioleaching the metal containing material and then recovering the metal. The electrical or electronic material can be waste lithium-battery material, a PCB or a hard drive, the reducing agent can be ascorbic acid or ferrous sulphate and the microorganism can be a sulphur oxidising bacteria (e.g. Alicyclobacillus sp. and Acidothiobacillus thiooxidans) to produce sulphuric acid.
Resumen de: EP4711034A1
A mixing device (10) includes a supply module (100) configured to provide an active material, a binder, and/or a conductive material to a mixing module (200), the mixing module (200) configured to form an electrode slurry including the active material, the binder, and/or the conductive material, and a discharge module (300) configured to discharge the electrode slurry. The mixing module (200) includes a pair of screws (211, 212) having threads formed on an outer surface in along a longitudinal direction of the mixing module (200), the pair of screws (211, 212) configured to rotate, and a barrel (220) including a hole (230) configured to accommodate the pair of screws (211, 212), the barrel (220) including an embossed pattern (271) or a debossed pattern (281) formed on an inner surface of the hole (230).
Resumen de: EP4711108A1
A notching apparatus includes a base, a die coupled to the base and including an electrode plate insert protruding in an upward direction, the die configured to accommodate an electrode plate comprising a substrate and an active material on an upper surface of the die; and a cutter configured to cut the electrode plate while the electrode plate insert is penetrated into at least a portion of the active material in the upward direction.
Resumen de: EP4712221A1
Disclosed is a battery, comprising battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface and an outer surface opposite to the inner surface; and at least one electrode lead electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case. The outer surface of the inflatable pouch case is sealingly bonded to a surface of the at least one electrode lead.
Resumen de: EP4712186A1
An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.
Resumen de: EP4712234A1
A battery pack is provided. The battery pack includes a housing (1), a battery cell group (2), and a plurality of reinforcing plates (3). Each of the plurality of reinforcing plates (3) includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group (2) is arranged in the housing (1). Each of two side walls of the battery cell group (2) along a length direction of the battery cell group (2) is arranged with a corresponding one of the plurality of reinforcing plates (3). The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group (2).
Resumen de: EP4712203A2
Disclosed is a battery system that is easy to install or expand and has improved safety. The battery system according to an aspect of the present disclosure includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other; and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.
Resumen de: EP4712202A2
This application relates to a secondary battery, and a battery module, a battery pack, and an electric apparatus containing the same. The secondary battery includes: an electrolyte having a specific percentage of a low-viscosity solvent, a specific percentage of a high-dielectric-constant solvent, and a negative electrode having a negative electrode active material layer, and the secondary battery satisfies the relational expression: 1×10−4≤B×C×POI×CW≤1×10−3, where B is the percentage of the low-viscosity solvent in total solvent in the electrolyte by mass; C is a percentage of an electrolyte salt in the electrolyte by mass; P is a porosity of the negative electrode active material layer; CW is a coating weight of the negative electrode active material layer, measured in mg/cm<2>; and OI is an orientation index of the negative electrode active material layer, where OI=C004/C 110, C004 is a peak area of a 004 characteristic diffraction peak in an X-ray diffraction pattern of the negative electrode active material layer, and C110 is a peak area of a 110 characteristic diffraction peak in the X-ray diffraction pattern of the negative electrode active material layer.
Resumen de: EP4712248A2
Disclosed herein relates to a battery pack for accommodating a battery module, including: a pack case in which a battery module settles; wherein the pack case includes: a main separation wall; a base plate coupled to the main separation wall and including a module area wherein the battery module is settled; and a side wall coupled along a perimeter of a base plate coupled to the main separation wall; wherein the main separation wall includes an insulating material with low thermal conductivity.
Resumen de: EP4712185A1
A tape attaching device (200) including: a lower support structure (210) to support a cylindrical electrode assembly (110); a plurality of compression jigs (220) to bend an insulating tape (120) attached to a side surface (112) of the electrode assembly (110) and protruding in a height direction along a circumference of an upper surface (114) of the electrode assembly (110), and attach the insulating tape (120) to the upper surface (114) of the electrode assembly (110); a pressing device (230) to flatten the upper surface (114) of the electrode assembly (110) to which the insulating tape (120) is attached; and a controller (240) to control the compression jigs (220) and the pressing device (230).
Resumen de: EP4712211A1
Provided is a battery pack that does not cause temperature deviations between battery cells depending on the location of the battery cells in the battery pack while directly cooling the battery cells by improving a conventional heat sink cooling method. A battery pack of the present disclosure includes a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein inside the outer frame and the partition frame, a flow path where a cooling fluid is able to flow, and a distribution hole and a recovery hole communicating with the flow path are provided, and thus the cooling fluid is introduced toward the battery cell assembly to directly cool battery cells in the battery cell assembly.
Resumen de: EP4711783A1
A method of predicting an electrical performance of a secondary battery. The method includes receiving design conditions of the secondary battery, receiving experiment data of the secondary battery, obtaining model parameters based on the experiment data and an electrochemical model, generating an electrochemical model library including the model parameters, and predicting the electrical performance of the secondary battery, having the design conditions, based on the electrochemical model library. The design conditions of the secondary battery include at least one of an electrode condition or an active material condition.
Resumen de: EP4711391A1
A semi-solid battery electrolyte precursor, a semi-solid battery electrolyte, a semi-solid battery, and a preparation method of the semi-solid battery are provided. The semi-solid battery electrolyte precursor includes a first polymer monomer, a second polymer monomer, and an initiator. The first polymer monomer is an acrylic acid monomer or an acrylate monomer. The second polymer monomer is a fluorine-containing unsaturated monomer.
Resumen de: EP4711048A1
The present disclosure relates to an apparatus and method for manufacturing an electrode plate of a secondary battery. In an embodiment a slot die that simultaneously discharges a mixture slurry and an insulating slurry. The slot die includes an insulating slurry discharge portion protruding toward a substrate more than a mixture slurry discharge portion, which enables fine adjust of a thickness of the insulation coated portion on the substrate.
Resumen de: EP4712233A1
A battery cell holder for accommodating a battery cell includes: an upper cover configured to extend around an upper portion of a battery cell while exposing a first electrode terminal of the battery cell; and a lower cover configured to extend around a lower portion of the battery cell while exposing a second electrode terminal of the battery cell, the lower cover and the upper cover being coupled to each other. A pair of parting sides of the upper cover and the lower cover that contact each other when the upper cover and the lower cover are coupled together extend diagonally.
Nº publicación: EP4712206A1 18/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4712206A1
Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system for preventing the reuse of a BMS includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.
BOPI
Sede Electrónica
