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1802
resultados
Última actualización
14/10/2025 [07:10:00]
Resultados 1475 a 1500 de 1802
Resumen de: EP4625442A1
A manufacturing method for a sulfide solid electrolyte in which a sulfide solid electrolyte material is supplied into a heat-treating furnace and heated, the heat-treating furnace comprising a heating unit that heats the sulfide electrolyte material, a rotating member that penetrates the heating unit, and a pressure chamber that is provided to a sliding portion of the rotating member, and the sulfide solid electrolyte material being heated while the pressure of the pressure chamber is controlled to be higher than the pressure of the heating unit and atmospheric pressure.
Resumen de: EP4624850A1
A heat exchanger includes a bag body including, in an interior of the bag body, a heat exchange path through which a heat exchange medium flows; and a base body including, in an interior of the base body, a supply path that communicates with one end of the heat exchange path and is configured to supply the heat exchange medium to the heat exchange path, and a recovery path that communicates with another end of the heat exchange path and is configured to recover the heat exchange medium. The bag body includes a front sheet, a rear sheet opposite to the front sheet, an inflow port through which the heat exchange medium flows in, an outflow port through which the heat exchange medium flows out, and an occlusion prevention member provided over a surface of the front sheet.
Resumen de: EP4624845A1
Aspects disclosed herein include a control system that determines a control condition for electrode plate drying by monitoring a drying status of an electrode plate for a secondary battery, a drying furnace comprising the control system and an operation method thereof. Examples embodiments include a drying control system comprising at least one ultrasonic sensor (310, 320) suitable for being located in a heated drying area of a secondary battery electrode plate drying furnace; and a drying furnace controller (600) configured to monitor a drying state of an electrode plate using an ultrasonic transmission signal and/or an ultrasonic reflection signal received from the at least one ultrasonic sensor (310, 320), and configured to generate and transmit a drying heat amount control signal according to a result of the monitoring.
Resumen de: EP4625506A1
A manufacturing method of a positive electrode according to exemplary embodiments of the present disclosure includes a process of manufacturing a positive electrode slurry including a positive electrode active material; and a coating process of coating the positive electrode slurry on a current collector using a slot die to manufacture a preliminary positive electrode, wherein a shim embedded in the slot die used in the coating process does not comprise a protrusion part for forming a semi-coated part having a relatively thin coating thickness of the positive electrode slurry.
Resumen de: EP4625531A1
A bipolar current collector of a Zinc Bromine Static Battery (ZBSB) apparatus comprises a first electrically conductive layer comprising a polyethylene based polymer and an electrically conductive agent. The first electrically conductive layer is in contact with a cathode layer of the ZBSB apparatus. The bipolar current collector further comprises a second electrically conductive layer that is attached to the first electrically conductive layer. The second electrically conductive layer comprises the polyethylene based polymer and a graphite layer. The ZBSB apparatus is independent of a preinstalled anode electrode. The second electrically conductive layer is configured to dynamically operate as an anode layer of the ZBSB apparatus when in operation.
Resumen de: EP4625672A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the reinforcement component includes a first surface facing the electrode assembly, and a second surface connected to the first surface and extending in a direction opposite to the electrode assembly, and the second surface slopes toward a center of the reinforcement component in a height direction with increasing distance in the direction opposite to the electrode assembly.
Resumen de: EP4625674A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; an exterior film packaging the electrode assembly and the reinforcement component; and a buffering film disposed inside the exterior film and intended to enhance strength of the exterior film, wherein the buffering film is disposed on at least one of a corner of the electrode assembly and a corner of the reinforcement component.
Resumen de: EP4625675A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the electrode assembly and the reinforcement component are disposed separately, the exterior film includes an expansion portion located at a portion between the electrode assembly and the reinforcement component, and the expansion portion is configured to be capable of expanding when the exterior film expands with an increase in internal pressure of the electrical storage device.
Resumen de: EP4625673A2
An electrical storage device comprising: an electrode assembly; an electrode terminal electrically connected to the electrode assembly; a reinforcement component disposed on a lateral side of the electrode assembly; and an exterior film packaging the electrode assembly and the reinforcement component, wherein the reinforcement component includes a main body portion, and a stretched portion extending toward the electrode assembly from the main body portion, and the stretched portion tapers with decreasing distance from the electrode assembly.
Resumen de: EP4625651A2
A cooling fin according to an embodiment of the present disclosure forms a heat transfer path between a battery cell and a heat sink, wherein the cooling fin comprises a body part located in parallel with the battery cell, and an extension part extending from one end of the body part toward the heat sink, and wherein the extension part has a round shape that is curved to have a curvature.
Resumen de: EP4625629A1
A secondary battery packaging film (10) includes a composite layer (11), a metal layer (14), and a protective layer (15). The metal layer (14) is disposed on a surface of the composite layer (11), and the protective layer (15) is disposed on a side of the metal layer (14) facing away from the composite layer (11). The composite layer (11) includes a first insulation layer (12) and a second insulation layer (13), along a thickness direction of the composite layer (11), the second insulation layer (13) is located between the metal layer (14) and the first insulation layer (12). A melting point of the second insulation layer (13) is greater than or equal to 250°C, and a thickness of the second insulation layer (13) is greater than or equal to 2 µm. A melting point of the first insulation layer (12) is less than or equal to 200°C.
Resumen de: EP4625664A1
Disclosed is a battery module and a vehicle including the same. The battery module includes a plurality of battery cells; and a module case configured to accommodate the plurality of battery cells and having a module venting portion for venting flame or gas, a cell venting portion is formed in the battery cell itself, and when the cell venting portion of the battery cell is ruptured, the cell venting portion and the module venting portion of the module case are communicated.
Resumen de: EP4625605A2
Disclosed is a battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery. The secondary battery diagnosing apparatus includes a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery; a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process; and a processor configured to generate a plurality of charge and discharge measurement profiles based on the voltages measured at a plurality of different cycle points by the voltage measuring unit, compare each of the plurality of generated charge and discharge measurement profiles with a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile stored in the memory unit, and determine a positive electrode adjustment profile and a negative electrode adjustment profile for each of the plurality of generated charge and discharge measurement profiles so that an error between each charge and discharge measurement profile and the simulation profile is within a predetermined level.
Resumen de: EP4625550A1
A negative electrode current collector and a preparation method therefor, a negative electrode plate, a lithium metal battery, and an electrical apparatus. The negative electrode current collector comprises a copper substrate and a plating layer arranged on the copper substrate, wherein the plating layer comprises a lithium-philic metal and a lithium-philic metal-copper alloy. The negative electrode current collector has good cycling stability, and can help to improve the cycling performance of the lithium metal battery when applied to the lithium metal battery.
Resumen de: EP4625597A1
An electrochemical apparatus and an electronic apparatus, including an electrode assembly (10). The electrode assembly (10) includes a positive electrode plate (12), a negative electrode plate (11), and a separator (13). The positive electrode plate (12) includes a positive electrode current collector (121), a first positive electrode active material layer (122), and a second positive electrode active material layer (123). The negative electrode plate (11) includes a negative electrode current collector (111), a first negative electrode active material layer (112), and a second negative electrode active material layer (113). The electrode assembly (10) includes a flat region (S) and a bent region (C). The negative electrode plate (11) includes a first bent section (11a) and a second bent section (11b). The positive electrode plate (12) includes a third bent section (12a). The first bent section (11a), the third bent section (12a), and the second bent section (11b) are sequentially disposed away from a winding center (O). The electrode assembly (10) satisfies a relation: 0.850≤N2/P2N1/P1≤0.99, where N1 represents a capacity per unit area of the second negative electrode active material layer (113) in the first bent section (11a); P1 represents a capacity per unit area of the first positive electrode active material layer (122) in the third bent section (12a); N2 represents a capacity per unit area of the first negative electrode active material layer (112) in the second be
Resumen de: EP4625546A1
The present application provides a positive electrode active material, a positive electrode, a secondary battery, and an electrical device. A particle size distribution curve of the positive electrode active material satisfies a special mathematical relationship, and the positive electrode active material has a high compaction density, a good first charging gram capacity, and a high first cycle efficiency.
Resumen de: EP4625513A1
A negative electrode includes a negative electrode current collector and a negative electrode active material layer arranged on a surface of the negative electrode current collector, the negative electrode active material layer including graphite, an orientation value of the negative electrode active material layer being less than or equal to 3, and a binding force between the negative electrode current collector and the negative electrode active material layer being greater than or equal to 0.25 N/40 mm. The negative electrode has excellent ion and electron transport capabilities and good internal stability, which is conducive to its use in a battery to improve the charging and discharging rates, the cycling capacity retention rate, and the service life of the battery.
Resumen de: EP4625522A1
The present disclosure relates to the technical field of lithium ion batteries, in particular to a cathode lithium compensation agent, a preparation method thereof and a cathode electrode. The cathode lithium compensation agent comprising a cathode lithium compensation material, and a modified material which is crosslinked and wound on the surface of the cathode lithium compensation material from inside to outside, wherein the modified material comprises a conductive agent and a catalyst, and a functional group in the conductive agent is bonded with a free hydroxyl group on the surface of the catalyst; wherein the conductive agent is a linear or tubular one-dimensional conductive agent. According to the cathode lithium compensation agent provided by the present disclosure, the decomposition potential of a cathode lithium compensation material is effectively reduced, and the lithium supplement effect of the cathode lithium compensation material is fully exerted; meanwhile, the cathode lithium compensation agent also improves the conductivity, and avoids the problem of poor contact in the electrode.
Resumen de: EP4624423A1
Disclosed are a method of preparing a positive electrode active material, a positive electrode active material prepared according to the method, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode. The method includes (i) mixing a nickel-based precursor and a first lithium raw material, and performing a first heat treatment at about 500 °C to about 750 °C to prepare a first fired product, and (ii) mixing the first fired product and a second lithium raw material, and performing a second heat treatment at about 650 °C to about 850 °C to prepare a positive electrode active material in the form of single particles including a lithium nickel-based composite oxide. A molar ratio (L<1>) of lithium in the first lithium raw material to a total metal of the nickel-based precursor is about 0.2 to about 0.9, a molar ratio (L<2>) of lithium in the second lithium raw material to a total metal excluding lithium in the first fired product is about 0.1 to about 0.8, and about 0.9 ≤L<1>+L<2>≤ about 1.1.
Resumen de: EP4625602A1
A negative electrode included in a secondary battery according to the present disclosure is a free-standing type electrode including a negative electrode active material but not having a current collector, and includes a first negative electrode tab and a second negative electrode tab extended in opposite directions.It may be possible to measure the resistance of only the negative electrode without disassembly of the secondary battery and accurately the resistance of the negative electrode. In addition, it may be possible to determine the degree of degradation of the negative electrode by measuring the resistance of the negative electrode.
Resumen de: EP4625656A1
Provided is an energy storage apparatus. Specifically, a battery pack for powering an electronic device is provided. The battery pack for powering an electronic device includes a housing assembly, a cell module, at least one temperature detection apparatus, and a detection support. The housing assembly is mounted to the electronic device and supported by the electronic device. The cell module includes multiple cells and a cell support supporting the multiple cells, where the cell module is disposed in the housing assembly. Multiple temperature detection apparatuses are configured to detect temperatures of the multiple cells. The detection support is configured to support a temperature detection apparatus to cause the position of the temperature detection apparatus in the housing assembly to be fixed. In the battery pack for powering an electronic device, the temperature detection apparatus is fixed through the detection support, which can ensure that the temperature detection apparatus can detect a temperature of a cell and prevent the temperature detection apparatus from falling off.
Resumen de: EP4625619A1
The present disclosure provides a heat-absorbing composite material, a heat absorber, a battery assembly, and an electrical device. The heat-absorbing composite material includes a skeleton and a heat-absorbing material. The heat-absorbing material comprises a phase-change material. Holes of the skeleton are filled with the heat-absorbing material. A first surface of the heat-absorbing composite material is located between a second surface of the heat-absorbing composite material and a battery core. 0.2≤2252×r×ρ(S×x-a×H)×10<-9>/(0.6×Qc-360×cp×M)≤30, where r is the mass content of the phase-change material in the heat-absorbing material, ρ is the density of the heat-absorbing material in kg/m<3>, x is the thickness of the heat-absorbing composite material in mm, S is the area of the first surface in mm<2>, a is the area of an orthographic projection of the skeleton on the first surface in mm<2>, H is the thickness of the skeleton in mm, Qc is the capacity of the battery core in kJ, cp is the specific heat capacity of the battery core in kJ·kg<-1>·K<-1>, and M is the mass of the battery core in kg.
Resumen de: EP4624418A1
Matériau de structure cristallographique de type alluaudite de formule A3-δ1M2+δ2(PO4)n(SO4)mdans laquelle :- M est un métal de transition choisi parmi le fer (Fe), le manganèse (Mn), le cobalt (Co), le nickel (Ni) et leurs mélanges,- A est un alcalin choisi parmi le sodium (Na), le lithium (Li), le potassium (K) et leurs mélanges,- le degré d'oxydation moyen d du métal de transition M étant compris entre +2 et +2,30,- n, m, δ1 et δ2 étant des coefficients qui remplissent les conditions suivantes :∘ 0≤δ1≤0,50,∘ 0≤δ2≤0,30 et∘ n+m=3 avec n > 0 et m > 0.
Resumen de: EP4625512A1
Provided is an electrode for secondary battery. The electrode may include a substrate, a first coated portion disposed on a first surface of the substrate, the first coated portion comprising an active material; and a first uncoated portion disposed on the first surface of the substrate, the first uncoated portion being in contact with the first coated portion and exposing the substrate, wherein a first side portion of the first coated portion in contact with the first uncoated portion has a stepped surface.
Nº publicación: EP4625611A1 01/10/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4625611A1
An apparatus for monitoring a battery status, a battery management system (BMS), and an ignition circuit for the battery management system provide a circuit topology capable of monitoring a status of a battery device at all times irrespective of an enabled or disabled state of the BMS. In a specific configuration, based on a structure in which a thermal fuse is provided in a battery device, according to a battery status monitoring signal generated according to a status of a thermal fuse block, an electrical connection of the battery device to a power supply block inside a BMS is enabled or disabled, and/or an operation trigger for the power supply block is controlled.
BOPI
Sede Electrónica
