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960
resultados
Última actualización
06/08/2025 [07:11:00]
Resultados 600 a 625 de 960
Resumen de: WO2025155006A1
The present invention relates to a battery module comprising: a cell assembly including a plurality of battery cells; a module terminal electrically connected to the plurality of battery cells; a module case, which accommodates the cell assembly, has the module terminal provided on one side thereof, and has a first venting hole formed on the other side thereof so that gas generated in the battery cell is discharged to the outside; and a block member for guiding the gas to the first venting hole.
Resumen de: WO2025152838A1
The present application discloses a separator, and an electrochemical device and electronic device comprising same. The separator comprises a porous base material and a porous coating located on at least one side of the porous base material; the porous coating comprises filler particles and a binder; the separator has a maximum pore size recorded as Dmax, a minimum pore size recorded as Dmin, and an average pore size recorded as Davg, all with the unit of nm, wherein Dmax is 35 nm to 75 nm, Dmin is 10 nm to 20 nm, Davg is 25 nm to 45 nm, and Dmax/Davg is 1.20 to 2.99. According to the present application, the electrochemical device has both good low temperature cycle performance and good high temperature stability.
Resumen de: WO2025152758A1
Provided is a lithium ion battery, used for solving the problems in the prior art of a battery being prone to be short circuited and the electrical performance of the battery being affected by the excessively low electrical conductivity when the electrical conductivity of a lithium ion battery is increased. The lithium ion battery comprises a positive electrode sheet and an electrolyte; the positive electrode sheet comprises a positive electrode current collector, a primer coating, and a positive electrode material layer; the primer coating is located on the surface of the positive electrode current collector; the positive electrode material layer is located on the surface of the primer coating away from the positive electrode current collector; and the electrical conductivity of the electrolyte, the electrical conductivity of the primer coating, and the electrical conductivity of the positive electrode material layer meet the following conditions: (I), wherein σe is the electrical conductivity of the electrolyte, and has a unit of mS/cm, σa is the electrical conductivity of the primer coating, and has a unit of mS/cm, σc is the electrical conductivity of the positive electrode material layer, and has a unit of mS/cm, the electrical conductivity σe of the electrolyte is 6.5-8.5 mS/cm, the electrical conductivity σa of the primer coating is 1-6 mS/cm, and the electrical conductivity σc of the positive electrode material layer is 1.6-12.5 mS/cm. According to the lithium i
Resumen de: WO2025153052A1
The present application relates to an air guide hood and an air-cooled energy storage device. The air guide hood comprises an air hood cavity. An inner surface of the air hood cavity comprises an air intake end face, an air-blocking end face and an air output end face, wherein the air intake end face is arranged opposite the air-blocking end face, and is used for allowing an air intake airflow to flow in; the air-blocking end face is used for impacting the air intake airflow to form a diffused airflow; and the air output end face is used for allowing the diffused airflow to flow out. The inner surface of the air hood cavity further comprises flow guide end faces located at the side of the air intake end face and the air-blocking end face, wherein a spoiler is provided on at least one flow guide end face; and the spoiler does not block the air intake airflow from flowing between the air intake end face and the air-blocking end face, and the spoiler can block the diffused airflow from flowing along the flow guide end face. The air guide hood can solve or ameliorate the problems of an air guide hood easily generating a vortex and the air output of the air guide hood being uneven, thereby improving the cooling effect for a battery cluster.
Resumen de: WO2025155171A1
Provided is an endothermic pad for a secondary battery, comprising: a pouch having an inner space; and an endothermic material accommodated in the inner space, wherein the pouch comprises a bent portion processed by a forming process so as to define the inner space, and the bent portion maintains a bent state when no external force is applied from the outside of the pouch.
Resumen de: WO2025155023A1
The present invention may provide an apparatus for manufacturing an electrode, the apparatus comprising: a sheet supply unit for supplying a lithium metal sheet; an ultrasonic cutting unit that repeatedly approaches the supplied lithium metal sheet to cut the lithium metal sheet; and a blade that is provided in the cutting unit and forms a cutting line on the lithium metal sheet, wherein the cutting line (CL) is formed inside an outer boundary (OL) of the supplied lithium metal sheet.
Resumen de: WO2025155019A1
An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for obtaining a battery profile that indicates a correspondence relationship between the voltage and the capacity of a battery; a profile adjustment unit for adjusting, in correspondence to the battery profile, a preset first reference profile and a preset second reference profile, and generating a first profile according to the adjustment result; and a control unit for diagnosing the state of the battery on the basis of a first feature value for a first feature point included in the first profile.
Resumen de: WO2025154970A1
The present invention relates to a method for manufacturing a positive electrode active material precursor having excellent sphericity, a uniform particle size distribution, and reduced particle agglomeration by carrying out a reaction for manufacturing a positive electrode active material precursor seed in a continuous stirred tank reactor (CSTR), and introducing the manufactured precursor seed into a batch reactor and growing same, wherein a positive electrode active material precursor particle seed introduced into the batch reactor is introduced in an appropriate amount.
Resumen de: WO2025155050A1
According to exemplary embodiments, a secondary battery manufacturing system is provided. The system comprises: a data matrix reader configured to read a data matrix of a cell case, configured to capture an unrecognized image including the data matrix having failed to be read, and configured to match the unrecognized image with a virtual CAN ID; a first server configured to store the unrecognized image transmitted from the data matrix reader; and a second server configured to determine a feature interfering with the reading of the data matrix on the basis of the unrecognized image transmitted from the first server.
Resumen de: WO2025152680A1
The present application provides a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte, wherein the positive electrode sheet comprises a positive electrode material layer, the positive electrode material layer comprises lithium cobalt oxide, the lithium cobalt oxide comprises a nickel element, and the electrolyte comprises a boron trifluoride complex, lithium difluorophosphate and a boron-containing additive. The present application can improve the low-temperature cycle performance and the floating charge performance of the secondary battery.
Resumen de: WO2025152733A1
Provided in the present application are a secondary battery and an electric device. An electrolyte of the secondary battery comprises a first additive having a structure as represented by formula I and a second additive comprising at least one of an alkali metal salt of difluorophosphoric acid, an alkali metal salt of tetrafluoroboric acid, an alkali metal salt of fluorosulfonic acid and an alkali metal salt of difluoro oxalato boric acid, wherein the mass content W2 of the second additive in the electrolyte is 0.01%≤W2%≤5%; and the ratio of the mass content W2 of the second additive in the electrolyte to the mass content W1 of the first additive in the electrolyte is 0.02≤W2/W1≤10. The secondary battery has a good cathode-anode interface membrane, thereby having excellent cycle performance and storage performance.
Resumen de: WO2025152630A1
An electrochemical device (100) and an electric apparatus (1000). The electrochemical device (100) comprises a housing (10), an electrode assembly (20), and a first bonding component (30). The electrode assembly (20) is arranged in the housing (10), and the electrode assembly (20) comprises: a first side face (21) and a second side face (22), which are opposite each other in a first direction, and a third side face (23) and a fourth side face (24), which are opposite each other in a second direction, the second direction being perpendicular to the first direction. The first bonding component (30) comprises a first side portion (31) and a second side portion (32), which are opposite each other, wherein the first side portion (31) comprises a first bonding area (311), a first non-bonding area (312) and a second bonding area (313), which are sequentially arranged, the first bonding area (311) being bonded to the first side face (21), and the second bonding area (313) being bonded to the second side face (22); and the second side portion (32) comprises a third bonding area (321), the third bonding area (321) being bonded to the housing (10). In the second direction, a projection of the first non-bonding area (312) overlaps the third side face (23), and a projection of the third bonding area (321) overlaps the third side face (23). The first non-bonding area (312) of the first bonding component (30) is not bonded to the third side face (23), which is beneficial to reducing the ris
Resumen de: WO2025152748A1
Embodiments of the present application relate to the technical field of energy. Disclosed are a battery module, a battery pack and an energy storage system, for use in solving the problems of high costs and large occupied space when temperature equalization of battery cells in a battery module is realized. The specific solution comprises: providing a battery module, the battery module comprising heat conduction components and a plurality of battery cells, wherein the heat conduction components are attached to the surfaces of at least two battery cells among the plurality of battery cells, and the area of the heat conduction components is smaller than that of the attached surfaces of the at least two battery cell.
Resumen de: WO2025155029A1
An electrode tape inspection device of the present invention is an electrode tape inspection device for continuously inspecting dimensions of an electrode and a tape attached to the electrode during an electrode taping process, and detecting foreign substances present on the electrode and the tape. The electrode tape inspection device comprises: a photographing unit provided to photograph the electrode and the tape attached to the electrode; a dimension measurement light unit provided to illuminate the tape to measure dimensions of the tape and the electrode; and a foreign substance detection light unit provided to illuminate the tape to detect foreign substances present on the tape and the electrode.
Resumen de: WO2025154890A1
Disclosed is an all-solid secondary battery comprising a positive electrode layer, a negative electrode layer, a solid electrolyte layer between the positive and negative electrode layers, and a solid separator between the positive electrode layer and solid electrolyte layer and/or between the negative electrode layer and solid electrolyte layer, wherein: the positive electrode layer comprises a positive electrode current collector and positive active material layer on one or both surfaces thereof; the positive active material layer comprises positive active material and a first solid electrolyte; the solid separator comprises a porous film and an inorganic filler, the inorganic filler comprising lithium metal oxyhalide expressed by LiaMbOcCld (0
Resumen de: WO2025154963A1
The present invention relates to an electrolyte additive, and an electrolyte and a secondary battery each comprising same. According to the present invention, the formation of stable films on positive and negative electrodes of a lithium secondary battery can suppress side reactions inside the battery and reduce charge-discharge resistance, thereby improving charging efficiency and output of the battery, and can suppress the increase in battery resistance even during long-term storage under high-temperature conditions while significantly suppressing gas generation resulting from the decomposition of electrolyte components, thereby providing a secondary battery with excellent long-term lifespan and high-temperature capacity retention.
Resumen de: WO2025154931A1
A battery module, and a battery pack and a vehicle each including same are disclosed. The battery module according to an embodiment of the present invention includes: multiple cylindrical battery cells; a heat sink which is in contact with the multiple cylindrical battery cells to cool the multiple cylindrical battery cells; and a cell cover for covering the multiple cylindrical battery cells, wherein a first battery cell among the multiple cylindrical battery cells is in contact with a first surface of the heat sink, and a second battery cell among the multiple cylindrical battery cells is in contact with a second surface opposite to the first surface of the heat sink.
Resumen de: WO2025152850A1
Embodiments of the present disclosure provide a battery module, a battery pack, and a vehicle. The battery module comprises a battery cell group, a liquid cooling assembly, and a heating film assembly. The battery cell group comprises a plurality of battery cells; the plurality of battery cells are arranged in an array in a battery case; the liquid cooling assembly comprises liquid cooling plates and busbars; the liquid cooling plates are connected to the busbars and poles of the battery cells; at least part of the heating film assembly is arranged on at least one of the side walls of the battery cells and the bottom walls of the battery cells; the liquid cooling plates are arranged at the upper parts of the battery cells; and the heating film assembly is arranged at the lower parts of the battery cells. According to the battery module of the present disclosure, the battery cells are heated at the same time by means of the liquid cooling plates and a heating module, thereby solving the technical problem in the prior art of slow heating rate of the battery cells under low-temperature working conditions.
Resumen de: WO2025152661A1
Provided are a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte; the positive electrode sheet comprises a positive electrode material layer, the positive electrode material layer comprising lithium iron phosphate; and the electrolyte comprises a boron trifluoride-dimethyl carbonate complex, lithium difluorophosphate and a boron-containing additive. The positive electrode sheet and the electrolyte can work in conjunction with each other to simultaneously improve the low-temperature discharge performance and the high-temperature storage performance of the secondary battery.
Resumen de: WO2025152480A1
The present invention provides a battery fire-extinguishing agent, and a preparation method therefor and an application thereof. The battery fire-extinguishing agent comprises the following components in parts by weight: 10-70 parts of insulating cooling oil, 30-90 parts of a halogenated hydrocarbon, and 0.5-5 parts of an interfacial compatibilizer. The insulating cooling oil is selected from one or more of mineral oil, macromolecular hydrocarbon oil, silicone oil, a synthetic ester, and vegetable oil. The number of carbon atoms of the halogenated hydrocarbon is 2-4, and the halogen in the halogenated hydrocarbon is one or more of fluorine, chlorine, bromine, and iodine. The battery fire-extinguishing agent provided by the present invention has high insulating properties, good low-temperature fluidity, and low surface tension, can effectively suppress battery fires, and has a long-lasting cooling and heat dissipation effect, effectively preventing battery reignition; and the battery fire-extinguishing agent is suitable for extinguishing battery fires.
Resumen de: WO2025154927A1
The present document relates to a method for selectively performing balancing for a specific battery type by recording charging/discharging information of a battery in a snapshot manner as if a picture is taken, and a system therefor. The method comprises: applying an initial cycle in which charging and discharging of a battery are repeated a predetermined number of times, wherein during the initial cycle, at least one of a charging current amount or a charging voltage is recorded when the battery is charged, and at least one of a discharge current amount or a discharge voltage is recorded when the battery is discharged; and comparing at least one of the charging current amount or the charging voltage with at least one of the discharging current amount or the discharging voltage to distinguish the cell types of the battery; and performing balancing using a power consumption element on a battery cell of a specific cell type among the cell types of the battery.
Resumen de: WO2025155108A1
An embodiment discloses a charging module comprising: a plurality of charging cells; a plurality of first control devices each comprising a plurality of first communication units for communicating with the plurality of charging cells, respectively; and a second control device comprising a second communication unit communicating with the plurality of first communication units.
Resumen de: WO2025154932A1
An embodiment of the present invention provides a negative electrode protective layer comprising a tellurium nanostructure, and a zinc-ion battery comprising same. The negative electrode protective layer according to an embodiment of the present invention improves electrochemical behavior, thereby enabling the provision of a zinc-ion battery with a high energy power density and a higher volumetric energy storage capacity, and introduces flat and dense dendrite growth, thereby enabling the zinc-ion battery to use a thinner separator.
Resumen de: WO2025154639A1
A battery pack (10) comprises a battery module (100), a support body (400), and a lower plate (310) positioned between the battery module (100) and the support body (400). The support body (400) defines a space (402).
Nº publicación: WO2025154946A1 24/07/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2025154946A1
The present invention relates to a method for impregnating a secondary battery with an electrolyte and, more specifically, to a method for impregnating a secondary battery with an electrolyte, the method being characterized by comprising the steps of: storing a secondary battery in a pressurized chamber; and adjusting the pressure inside the pressurized chamber, wherein in the step of adjusting the pressure, a pressurization step and a pressurization release step are performed two or more times.
BOPI
Sede Electrónica
