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1369
resultados
Última actualización
21/08/2025 [07:15:00]
Resultados 700 a 725 de 1369
Resumen de: WO2025165093A1
An anode active material according to the present application comprises a silicon-based active material having a grain size of about 300 nm or less. The silicon-based active material has a value of about 2.00 or less as defined by the formula of (D90-D10)/D50, and the silicon-based active material includes one or more selected from SiOx (x=0) and SiOx (0
Resumen de: WO2025165090A1
The present invention relates to a negative electrode slurry, a negative electrode, a lithium secondary battery, a battery module, and a battery pack comprising: a silicon carbon composite having a pH of 6 to 8 and a silicon content of 40 parts by weight to 60 parts by weight with respect to 100 parts by weight in total of the silicon carbon composite; a cellulose-based binder; and a conductive material.
Resumen de: WO2025165091A1
Disclosed are a heat exchanger, a manufacturing method therefor, and an apparatus including the heat exchanger. The disclosed heat exchanger comprises at least one heat exchange channel that performs heat exchange with a heat exchange object in a predetermined heat exchange area. The heat resistance between the at least one heat exchange channel and the heat exchange object in a first region of the heat exchange area is different from the heat resistance between the at least one heat exchange channel and the heat exchange object in a second region of the heat exchange area.
Resumen de: WO2025165038A1
Disclosed are: a solid electrolyte for an all-solid-state battery, which can be protected from moisture by chemically reacting a sulfide-containing solid electrolyte with an amphiphilic compound, for example, a material such as a surfactant; and an all-solid-state battery comprising such a solid electrolyte. The solid electrolyte for an all-solid-state battery is surface-modified with an amphiphilic compound having both hydrophilic and hydrophobic groups.
Resumen de: WO2025165027A1
An apparatus for applying pressure to a battery cell, according to one embodiment of the present invention, comprises: a pressure applying unit applying pressure to a battery cell; and a pressure reducing member input unit providing a pressure reducing member to the pressure applying unit. The pressure applying unit comprises: a mounting part for mounting the battery cell or the pressure reducing member; and a pressure applying jig moving toward the mounting part and applying pressure to the battery cell or the pressure reducing member. The pressure reducing member input unit comprises at least one grip part automatically gripping and moving the pressure reducing member.
Resumen de: WO2025165054A1
A battery diagnostic apparatus according to an embodiment of the present invention includes: a profile obtaining unit configured to obtain a differential profile indicating a correspondence relationship between a differential capacity and a voltage of a battery; and a control unit configured to determine a target peak in the differential profile, calculate a first capacity and a second capacity of the differential profile on the basis of the target peak, calculate a capacity ratio between the first capacity and the second capacity, and diagnose the state of the battery by comparing the calculated capacity ratio with a pre-stored reference capacity ratio.
Resumen de: WO2025165051A1
A battery diagnosing apparatus according to an embodiment of the present invention includes: a profile acquisition unit configured to acquire a charging profile indicating a correspondence relationship between a voltage and a current of a battery measured in a charging process; and a control unit configured to calculate a first CC capacity and a first CV capacity from the charging profile, calculate a capacity change rate for the first CC capacity and the first CV capacity on the basis of a pre-stored second CC capacity and second CV capacity, diagnosis a state of the battery on the basis of the calculated capacity change rate and a preconfigured correction coefficient, and configure a use condition for the battery according to a diagnosis result.
Resumen de: WO2025165063A1
The present invention relates to a negative electrode, a secondary battery comprising same, and a secondary battery system for same. The negative electrode comprises, in a coating layer, aluminum-containing particles having specific components and a conductive material, and thus can implement a predetermined volume resistivity. Such negative electrodes allow a certain amount of current to leak, while implementing appropriate insulation on the surface of the negative electrode in the event of an internal short circuit, and thus can prevent the internal short circuit from causing a meltdown and/or rapid heat generation in a secondary battery.
Resumen de: WO2025165065A1
The technical idea of the present invention provides a battery apparatus comprising: a base structure: a plurality of cell assemblies mounted on the base structure and each of the plurality of cell assemblies including a plurality of battery cells; and a top cover coupled to the base structure and including a pair of outer walls spaced apart from each other in a first direction and an upper plate covering the plurality of cell assemblies and having an upper cooling channel.
Resumen de: WO2025165076A1
The present invention relates to a lithium secondary battery comprising: an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode; an electrolyte; and a battery case including an inner space for accommodating the electrode assembly and the electrolyte, wherein the cathode includes a cathode active material, the cathode active material includes a lithium nickel-based oxide containing 50-70 mol% nickel from total metal content thereof excluding lithium, and the electrolyte filling factor (EFF) index (unit: g/Ah) defined by relation 1 is 1.82-2.06. Relation 1 In relation 1, RE unit: g represents the weight of the remaining electrolyte included in the lithium secondary battery after activation, SU represents the ratio (SA/SE) of the volume (SA) of the electrode assembly and the volume (SE) of the lithium secondary battery, and NC unit: Ah represents the capacity when the lithium secondary battery is discharged from 4.4 V to 2.5 V at 0.33 C at 25°C.
Resumen de: WO2025165002A1
Provided are a battery manufacturing system and a battery manufacturing method. One system may comprise: a first cutter configured to cut a first electrode sheet into a first electrode portion having a first length; a second cutter configured to cut a second electrode sheet into a second electrode portion having a second length; a winder configured to wind the first electrode portion, the second electrode portion, and a separator to form an electrode assembly; and an identification information assigning device configured to assign identification information to the electrode assembly on the basis of a cut count value of the first electrode sheet and/or a cut count value of the second electrode sheet, and/or a first pattern indicator of the first electrode sheet and/or a second pattern indicator of the second electrode sheet.
Resumen de: WO2025164997A1
The battery pack according to an embodiment of the present invention comprises: a plurality of battery cells; a pack frame including a bottom frame and side frames forming an accommodation space in which the battery cells are accommodated; and a refrigerant which flows and directly cools the battery cells in the accommodation space. An inlet port for introducing the refrigerant and an outlet port for discharging the refrigerant are provided in the side frames. Hollows are formed inside the side frames, and each of the hollows communicates with the inlet port and the outlet port.
Resumen de: WO2025164984A1
A battery module, and a battery pack and a vehicle including same are disclosed. A battery module according to one embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells are stacked: a case in which the battery cell stack is accommodated; and a cooling member disposed between the plurality of battery cells, wherein the battery cells include a first battery cell in which electrode leads are formed on both sides and a second battery cell in which electrode leads are formed on only one side.
Resumen de: WO2025165008A1
A battery pack according to an embodiment of the present invention includes: a pack case having a first inner surface, a second inner surface facing the first inner surface, and an inner space between the first inner surface and the second inner surface; and multiple modules arranged in the inner space of the pack case and including multiple secondary batteries having a first end portion having a vent portion and a second end portion opposite to the first end portion, wherein each secondary battery is arranged such that an imaginary center line passing through the first end portion and the second end portion is not parallel or orthogonal to the first inner surface and the second inner surface, and in each module, when at least one secondary battery is arranged to have the first end portion closer to the first inner surface than the second end portion, another secondary battery is arranged to have the first end portion closer to the second inner surface than the second end portion.
Resumen de: WO2025164985A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a case in which a battery cell stack is accommodated; and a cooling member disposed between the plurality of battery cells, wherein the battery cell includes only first battery cells having an electrode lead formed on each of the two sides thereof, or includes only second battery cells having electrode leads formed on one side thereof.
Resumen de: WO2025164929A1
A battery according to the present invention comprises: an electrode; an electrode tab extending from the electrode; and a lead tab including a first material and coupled to the electrode tab. The electrode tab includes: a first portion including a coupling surface that is coupled to the lead tab and including the first material; and a second portion spaced apart from the lead tab and including a first layer including the first material, a second layer including the first material, and a third layer interposed between the first layer and the second layer and including a second material different from the first material.
Resumen de: WO2025164921A1
This test device for power prediction comprises: a database including a plurality of power map tables indicating power according to SOCs and temperatures; a tester executor, which generates a plurality of power prediction conditions by combining a plurality of SOCs and a plurality of temperatures in the power map tables for a battery device, provides, to a battery management system, each of the plurality of power prediction conditions and a power prediction command corresponding to each of the power prediction conditions, and receives a plurality of power prediction values according to the plurality of power prediction conditions; and a test comparator for comparing each of the plurality of power prediction values to a normal range defined by a plurality of reference power values in the power map table based on the power prediction condition corresponding to the respective power prediction value.
Resumen de: WO2025164928A1
The present invention includes: a current collector separation step of separating a current collector and a positive electrode active material layer by treating a positive electrode, determined to be defective in a battery manufacturing process, with an organic solvent; and a drying step of performing heat treatment on the positive electrode active material layer separated from the current collector, and the present invention enables effectively recycling the positive electrode material determined to be waste in the battery manufacturing process.
Resumen de: WO2025164590A1
The present invention provides: an electrode composite which is a laminate of a positive electrode layer and a solid electrolyte layer, has good contact between electrode active material particles and solid electrolyte particles, is not susceptible to the occurrence of a short circuit, and can achieve good battery output power; a secondary battery which uses the electrode composite, has a high output power, and is capable of reducing the risk of a short circuit; and a method for manufacturing the same. Provided is an electrode composite which is applied to a secondary battery. The electrode composite includes a positive electrode active material layer and an electrolyte layer. The positive electrode active material layer has a first surface that is in contact with the electrolyte layer and a second surface that is located on the opposite side of the first surface while including a plurality of first active material particles and a plurality of second active material particles that have a higher average aspect ratio than the plurality of first active material particles. The position of the center of gravity of the plurality of second active material particles is located at the farther side from the first surface than the position of the center of gravity of the plurality of first active material particles.
Resumen de: WO2025165195A1
The present invention relates to an optical system-based control method and a vision inspection device and, more specifically, to a vision inspection device for using an optical system to inspect the appearance of a secondary battery and a control method therefor. According to an embodiment of the present invention, provided may be the vision inspection device comprising: an optical system including a camera for acquiring an image by imaging a secondary battery and a lighting device for supplying light to the periphery of the secondary battery; and a main controller for determining, on the basis of the image acquired via the optical system, whether the secondary battery is defective. The main controller includes a lighting controller that corrects and controls the illuminance of the lighting device to supply the light at a standard illuminance by selecting a weight for correcting the illuminance of the lighting device to the standard illuminance and applying, to the lighting device, a correction control value obtained by reflecting the weight to a standard control value.
Resumen de: WO2025165199A1
An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for acquiring a battery profile that indicates a correspondence relationship between the voltage and the capacity of a battery; a profile adjustment unit, which adjusts a preset reference cathode profile and reference anode profile in correspondence to a battery profile, thereby generating an adjusted cathode profile and an adjusted anode profile; and a control unit for extracting a diagnostic factor for the battery from the adjusted cathode profile and/or the adjusted anode profile, and diagnosing the state of the battery on the basis of the extracted diagnostic factor.
Resumen de: WO2025165175A1
Provided are a method for manufacturing an aramid nanofiber-based hybrid thin film, a thin film manufactured thereby, and a lithium secondary battery comprising same. The aramid nanofiber-based hybrid thin film comprises: aramid nanofibers; an interpenetrating polymer network including a polymer infiltrated between the aramid nanofibers and having a porous network structure; and inorganic particles dispersed in the interpenetrating polymer network, and thus, when applied to a lithium secondary battery, the growth of lithium dendrites can be effectively inhibited.
Resumen de: WO2025164898A1
A battery module according to one embodiment of the present invention comprises: a module housing having an accommodation space; and a plurality of pouch-type battery cells horizontally arranged inside the accommodation space and stacked in a thickness direction. The battery cells may comprise: a body portion for accommodating an electrode assembly; and a sealing portion extending from an edge of the body portion and having at least a portion folded downward to prevent moisture from accumulating.
Resumen de: WO2025164907A1
Provided is an all-solid-state secondary battery, comprising: a positive electrode layer; a negative electrode layer; a solid electrolyte layer between the positive electrode layer and the negative electrode layer; and a solid separator disposed at least one of between the positive electrode layer and the solid electrolyte layer and between the negative electrode layer and the solid electrolyte layer, wherein the negative electrode layer includes a negative electrode current collector and a first negative electrode active material layer on one side of the negative electrode current collector, the solid electrolyte layer includes a sulfide-based solid electrolyte and an inorganic filler, and the inorganic filler includes lithium metal oxyhalide represented by chemical formula 1. The solid separator may include an inorganic filler or may include an inorganic filler and a sulfide-based solid electrolyte.
Nº publicación: WO2025164710A1 07/08/2025
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
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Resumen de: WO2025164710A1
This electrochemical device comprises a positive electrode, a negative electrode, and a lithium ion-conductive electrolyte, said negative electrode being provided with a negative electrode current collector, and a negative electrode material layer supported on the negative electrode current collector. The negative electrode material layer comprises a negative electrode active material that is reversibly doped with lithium ions. The negative electrode active material comprises a carbon material. The surface part of the negative electrode material layer has a coated region. A ratio A/B of a peak intensity A of a peak appearing where a binding energy is in the range of 530-534 eV in an O1s spectrum obtained by measuring the coated region using X-ray photoelectron spectroscopy relative to a peak intensity B of a peak appearing where a binding energy is in the range of 684.8-685.3 eV in an F1s spectrum is at least 4.0 throughout the range of depths of at most 50 nm inward from the surface of the coated region.
BOPI
Sede Electrónica
