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1026
resultados
Última actualización
22/10/2026 [10:44:00]
Resultados 50 a 75 de 1026
Resumen de: EP4826849A1
A liquid cooling plate and a battery pack are provided. The liquid cooling plate includes a plate body and a separator. The plate body defines a cooling chamber, and the plate body is provided with a liquid inlet and a liquid outlet. The cooling chamber communicates with outside through the liquid inlet and the liquid outlet. The separator is installed to the plate body and separates the cooling chamber into cooling flow-channels, and adjacent cooling flow-channels communicate with each other. The separator is non-uniformly distributed at the plate body. Where the cooling flow-channel has a smaller flowing area, the cooling liquid flows faster, thereby increasing the flowing speed of the cooling liquid. Where the cooling flow-channel has a larger flowing area, the cooling liquid flows slower, thereby prolonging the heat exchange time of the cooling liquid and improving the uniformity of heat dissipation of the liquid cooling plate.
Resumen de: EP4826330A1
0001 The present application discloses an edge detection method and apparatus for a battery insulation part, and a battery production line. In the edge detection method for a battery insulation part, the battery insulation part is configured to wrap at least a side surface of a battery cell of a battery. The method includes: enabling at least two light source assemblies to irradiate an edge to be detected of the insulation part; enabling an imaging assembly arranged to face the edge to be detected to image the edge to be detected, so as to obtain an edge image; and identifying the position of the edge to be detected from the edge image. The edge detection method in the present application can solve a problem of performing standardized, stable and reliable edge detection on the battery insulation part, and by making the edge to be detected of the battery insulation part more clearly visible in the edge image, improves accuracy of extracting the edge to be detected from the edge image.
Resumen de: EP4826804A2
0001 Disclosed (or Provided) are a negative electrode for a secondary battery, including: a current collector; a first negative electrode active material layer provided on the current collector; and a second negative electrode active material layer provided on the first negative electrode active material layer, in which at least one of the first and second negative electrode active material layers includes a lithium-substituted carboxymethyl cellulose, wherein the first negative electrode active material layer comprises a carbon-based active material, and wherein only the second negative electrode active material layer comprises a silicon-based active material.
Resumen de: EP4826896A2
The present application provides a battery cell, a method and a device for manufacturing the same, a battery, and an electrical device. The battery cell includes: a casing; an end cap assembly including an end cap body and an electrode terminal located on the end cap body; and an electrode assembly arranged in the casing and including a first electrode sheet and a second electrode sheet with opposite polarities; the first electrode sheet includes a first main portion and a first electrode tab protruding from the first main portion, and the second electrode sheet includes a second main portion and a second electrode tab protruding from the second main portion; the first electrode sheet and the second electrode sheet are configured to be wound around a winding axis, such that the first main portion and the second main portion are laminated to form a winding body; an end of the winding body includes a first conductive region and a second conductive region, the first electrode tab is led out from the first conductive region, the second electrode tab is led out from the second conductive region, and adjacent first conductive region and second conductive region are arranged to be spaced along a radial direction of the winding body; and the first electrode tab is electrically connected to the electrode terminal, and the second electrode tab is electrically connected to the end cap body, the battery cell further comprises an adapter (104), wherein the first electrode tab (12) is elec
Resumen de: EP4826828A1
0001 Provided is a technique for suppressing a decrease in cell capacity while suppressing a short circuit between a positive electrode and a negative electrode. The present invention relates to a lithium secondary battery including a positive electrode and a negative electrode which face each other with a separator being interposed between the positive electrode and the negative electrode, in which the positive electrode includes a positive electrode current collector configured to sandwich a resin layer between a first metal layer and a second metal layer, and a positive-electrode active material layer provided on the positive electrode current collector, the first metal layer includes a first portion in which the positive-electrode active material layer is not provided, the second metal layer includes a second portion in which the positive-electrode active material layer is not provided, and the first portion and the second portion have different dimensions in both a width direction and a length direction.
Resumen de: EP4825624A1
An electrode assembly according to an embodiment of the present disclosure is of a jelly-roll type having a structure in which a first electrode and a second electrode each having a sheet shape and a separation film interposed between the first electrode and the second electrode are wound in one direction. Each of the first electrode and the second electrode includes an uncoated portion not coated with an active material layer, the uncoated portion being formed on a longer edge end; and a coated portion coated with an active material layer, the coated portion being formed on a region excluding the uncoated portion. The first electrode includes at least one insulation layer that covers at least a portion of the uncoated portion and at least a portion of the coated portion at the same time.
Resumen de: EP4826885A2
A battery according to an embodiment of the present disclosure includes an electrode assembly including a first uncoated region and a second uncoated region; a battery housing accommodating the electrode assembly and electrically connected to the second uncoated region; a cap to cover an open portion on bottom of the battery housing; a first electrode terminal passing through a closed portion of the battery housing and electrically isolated from the battery housing; and a first current collector coupled to the first uncoated region and connected to the first electrode terminal.
Resumen de: EP4826789A1
0001 The present application relates to a sodium metal battery and an electrochemical apparatus, the battery comprising a positive electrode sheet and a negative electrode sheet, the negative electrode sheet being a negative electrode current collector, and a sodium layer deposited in situ on the negative electrode current collector having a thickness of ≥ 30 nm after the battery is charged and discharged for the first time. The present application utilizes the first irreversible capacity of the positive electrode material and the optimization of the battery cell design. After the battery cell is charged and discharged for the first time, the amount of residual sodium metal is sufficient to uniformly form a sodium deposition layer with a certain thickness on the surface of the negative electrode current collector. The higher nucleation energy required for the deposition of sodium onto the surface of the current collector during subsequent charge-discharge cycles is avoided, the overall deposition overpotential is reduced, and the deposition uniformity of sodium metal and the reversibility of the charge-discharge process are ensured.
Resumen de: WO2025125543A1
The present invention relates to a positive electrode active material for rechargeable batteries, wherein the positive electrode active material comprises lithium, oxygen, nickel, cobalt, and manganese, wherein the positive electrode active material is a powder comprising single particles and/or secondary particles, wherein each of the single particles consists of only one primary particle and each of the secondary particles consists of at least two primary particles and at most twenty primary particles as observed in a SEM image in a field of view of at least 45 μm x at least 60 μm, wherein the atomic content of Ni, relative to the total amount of Ni, Co, and Mn, of 45.0 to 95.0 at%, as determined by ICP-OES; having an atomic content of Al, relative to the total amount of Ni, Co, and Mn, of 0.3 to 3.0 at%, as determined by ICP-OES; wherein the atomic content of Co, relative to the total amount of Ni, Co, and Mn, of 3.0 to 30.0 at%, as determined by ICP-OES; wherein the atomic content of Mn, relative to the total amount of Ni, Co, and Mn, of 3.0 to 35.0 at%, as determined by ICP-OES; wherein the positive electrode active material further comprises: aluminum and has an atomic ratio of Al to the total amount of Ni, Co, and Mn of 1.0 to 7.0, as determined by XPS analysis, and cobalt and has an atomic ratio of Co to the total amount of Ni, Co, and Mn of 0.25 to 0.45, as determined by XPS analysis.
Resumen de: WO2025125210A1
The present invention relates to a positive electrode composite active material comprising a coated lithium electrode material and a sulfide solid electrolyte. It was found during the temperature and pressure treatment that a sulfur layer is formed between the coated positive electrode material and sulfide solid electrolyte which strongly enhances the ionic conductivity and the electrochemical performance.
Resumen de: EP4826744A1
The present invention provides a method for producing a sulfide solid electrolyte capable of enhancing solubility of a raw material when producing the sulfide solid electrolyte by a melting method. The present invention relates to a method for producing a sulfide solid electrolyte containing at least one element of Sn, Si and Sb by heating and melting a sulfide solid electrolyte raw material containing at least one element of Sn, Si and Sb in a gas atmosphere containing a sulfur element and cooling and solidifying the obtained melt, wherein the heating and melting increases the valence of the element contained in the sulfide solid electrolyte raw material.
Resumen de: EP4826893A1
0001 The present disclosure relates to a secondary battery and a method of the same. A current collector according to the present disclosure includes a body portion and a receiving portion formed at a bending-directional end of the body portion. Certain portions of some foil tabs are received in the receiving portion and welded to the current collector. The certain portions of the foil tabs are melted and integrated with a portion of the body portion and at least a portion of the receiving portion by welding. The present disclosure may prevent an electrode assembly positioned under a void region from being affected during a welding process. Accordingly, damage to a separator of the electrode assembly during the welding process is prevented.
Resumen de: EP4825642A1
A battery slot according to the present invention, comprises: a slot frame forming an accommodation space into which a battery is inserted and including an entrance/exit formed by one side of the accommodation space being open; a door coupled to the slot frame to open and close the entrance/exit; a detection assembly that is coupled to the slot frame and detects whether the battery is a battery suitable for charging; and a control unit that sets the door to a locked state or an unlocked state on the basis of information detected by the detection assembly, wherein the detection assembly may include: a detection frame coupled to the slot frame and provided with an opening corresponding to the entrance/exit; a detection button that is disposed on the detection frame and is pressed and moved by the battery as the battery enters the opening; and a detection unit that detects movement of the detection button.
Resumen de: EP4826813A1
0001 Disclosed are a transfer tray with significantly improved battery cell transfer efficiency and a battery cell activation system including the same. According to an aspect of the present embodiment, there are provided a transfer tray capable of significantly improving the transfer efficiency of battery cells and a battery cell activation system including the same, capable of significantly reducing the transfer time of battery cells.
Resumen de: WO2025124966A1
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Resumen de: EP4826802A1
The present disclosure relates to a polyimide binder for a secondary battery negative electrode material that may improve charge-discharge efficiency and increase silicon content.
Resumen de: EP4826950A1
0001 Problem To provide an arrangement enabling suitable management of battery packs. 0002 Solution A battery pack provision device for replaceably providing a battery pack to each of a plurality of inhalation devices having a heating unit for heating an aerosol source to generate an aerosol, a battery pack being detachably connected to each inhalation device, and the battery pack provision device comprising: a connecting portion electrically connected to the battery pack; and a control unit for determining a state of the battery pack based on information acquired, via the connecting portion, from the battery pack connected to the connecting portion, wherein, when it has been determined that the battery pack has deteriorated, the control unit controls processing to notify information indicating that the battery pack has deteriorated, in association with the battery pack.
Resumen de: EP4825796A1
The present invention relates to lithium sulfide powder and a method for preparing the same, and provides lithium sulfide powder including lithium sulfide (Li2S) and lithium oxide (Li2O), and having an oxygen content of 2.4 wt% to 7.1 wt%.
Resumen de: WO2025124962A1
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Resumen de: WO2025128396A1
Continuous production of agglomerated particles may be accomplished with the mixing of primary particles and an agglomeration binder or solution in a continuous kneader. The continuous kneader may mix the primary particles and the agglomeration solution as they are conveyed along the length of the continuous kneader from a first end to a second end to produce agglomerated secondary particles, wherein internal temperature along the length of the continuous kneader is maintained at a temperature below about 500°C. The shearing forces or shear gap within the continuous kneader may be adjusted to produce size-controlled agglomerated particles.
Resumen de: EP4826850A1
Disclosed is a battery pack and a vehicle including the same. The battery pack includes a battery module having a plurality of battery cells; a pack case configured to accommodate the plurality of battery modules; and a cooling member accommodated in the pack case and configured to contact the plurality of battery modules, wherein some of the plurality of battery modules are in contact with one surface of the cooling member, and the remainder of the plurality of battery modules are in contact with the other surface of the cooling member.
Resumen de: EP4826856A1
An insulation sheet according to one embodiment of the present disclosure is an insulation sheet disposed between a first battery cell and a second battery cell, comprising: an insulation pad portion; and a packaging member that wraps around the entire outer surface of the insulation pad portion, wherein: the packaging member comprises a body surface covering the front and rear surfaces and the upper and lower surfaces of the insulation pad portion and a pair of extension surfaces covering both ends of the insulation pad portion, one end of the pair of extension surfaces is connected to the body surface covering the rear surface of the insulation pad portion, the other end of the pair of extension surfaces passes both ends of the insulation pad portion and extends to both ends of the body surface covering the front surface of the insulation pad portion, and the first battery cell is disposed between the other ends of the pair of extension surfaces, and the second battery cell is disposed on the rear surface of the insulation pad portion.
Resumen de: MX2026006799A
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Resumen de: EP4826788A1
Provided, according to exemplary embodiments of the present invention, is a negative electrode active material capable of improving the life characteristics of a secondary battery. The negative electrode active material comprises, in wt%,: 0.01-0.05% of iron (Fe), 0.0025-0.0035% of boron (B), 0.0025-0.0035% of phosphorus (P), and the balance of silicon (Si) and inevitable impurities. Provided, according to other exemplary embodiments of the present invention, are a negative electrode comprising the above-described negative electrode active material, and a secondary battery including same.
Nº publicación: EP4825795A1 21/10/2026
Solicitante:
POSCO HOLDINGS INC [KR]
RESEARCH INST OF INDUSTRIAL SCIENCE & TECHNOLOGY [KR]
POSCO Holdings Inc.
Research Institute of Industrial Science & Technology
Resumen de: EP4825795A1
0001 The present invention relates to a carbon-lithium compound and a method for preparing lithium sulfide, wherein the carbon-lithium compound is an intermediate product for preparing lithium sulfide powder and has a pellet shape, includes an oxide, and the oxide may be 1.0% or less based on a second XRD peak value of lithium sulfide (Li<2>S).
BOPI
Sede Electrónica
