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1719
resultados
Última actualización
07/06/2025 [07:24:00]
Resultados 650 a 675 de 1719
Resumen de: WO2025115822A1
The coated active material (100) according to the present disclosure comprises a positive electrode active material (110) and a coating layer (120) that coats at least a part of the surface of the positive electrode active material (110). The coating layer (120) has a first layer (111) containing a first solid electrolyte, and a second layer (112) containing a second solid electrolyte. The first layer (111) is positioned between the second layer (112) and the positive electrode active material. The first solid electrolyte contains Li, Ti, M1, and F, where M1 is at least one selection from the group consisting of Ca, Mg, Al, Y, Zr, and Nb. The second solid electrolyte has a composition different from that of the first solid electrolyte.
Resumen de: WO2025115863A1
A battery pack (1) comprises: a case (10); a plurality of batteries (30) that are accommodated in the case (10); a cooling liquid (50) that fills the case (10); a first holder (61) that is disposed in the case (10) and accommodates the upper parts of the plurality of batteries (30); and a filling member (80) that is disposed between the plurality of batteries (30) and the first holder (61) and prevents the cooling liquid (50) from circulating. The plurality of batteries (30) are immersed in the cooling liquid (50) in the case (10).
Resumen de: WO2025115432A1
This solid electrolyte contains: a molecular crystal that contains an alkali metal salt and an organic molecule which has at least one atom selected from the group consisting of sulfur atoms, oxygen atoms, nitrogen atoms, and phosphorus atoms; and a fluorine-containing polymer. The solid electrolyte has a diffraction spectrum derived from the molecular crystal in X-ray diffraction.
Resumen de: WO2025116709A1
The present invention relates to a positive electrode active material and a lithium secondary battery comprising same and, more specifically, to a positive electrode active material and a lithium secondary battery comprising same, wherein the positive electrode active material comprises lithium and manganese-excess lithium manganese-based oxides having improved low energy density per unit volume, and thereby has improved electrochemical properties.
Resumen de: WO2025116702A1
According to an embodiment of the present invention, the battery pack comprises multiple battery modules and a busbar barrier disposed between neighboring battery modules among the multiple battery modules. The busbar barrier comprises: a busbar unit for electrically connecting terminal busbars provided on the neighboring battery modules, respectively; and a pair of barrier units coupled to the busbar unit and disposed between side surfaces of the neighboring battery modules.
Resumen de: WO2025116712A1
According to one embodiment of the present invention, a lithium secondary battery is provided, the battery comprising: a cathode including a cathode current collector, and a cathode active material layer formed on one surface or both surfaces of the cathode current collector; an anode including an anode current collector, and an anode active material layer formed on one surface or both surfaces of the anode current collector; and a separator including a substrate, and an oxide-based solid electrolyte layer which is formed on one surface or both surfaces of the substrate and which includes lithium aluminum titanium phosphate (LATP), wherein the anode active material layer and the oxide-based solid electrolyte coating layer face each other, an inorganic layer including a reduced product of the LATP and an SEI material is formed at the interface between the oxide-based solid electrolyte layer and the anode active material layer, and the amount of F in the inorganic layer is 7-15 atom% on the basis of the total amount of atoms present in the inorganic layer.
Resumen de: WO2025115380A1
A molecular crystal includes: an organic molecule having an oxygen atom and at least one type of atom selected from the group consisting of nitrogen atoms, sulfur atoms and phosphorus atoms; and an alkali metal salt. The molecular crystal has a melting point of at least 80°C.
Resumen de: WO2025115370A1
Provided is a battery pack in which the chain of thermal runaway due to high-temperature gas from an abnormal battery cell generated during a thermal runaway can be prevented. The battery pack according to the present invention comprises: a module having a plurality of battery cells each provided with a safety valve; a case accommodating the module; and a heat insulating material provided between the module and the case. The battery pack is characterized in that: the heat insulating material includes a first heat insulating sheet; the first heat insulating sheet has a plurality of openings formed through the first heat insulating sheet; a cover piece is disposed at each of the plurality of openings, the cover piece covering at least a part of the opening; the cover piece is bonded to the first heat insulating sheet by an adhesive; and when the first heat insulating sheet is viewed in a planar transparent view, one of the openings is positioned so as to overlap at least a part of one of the safety valves.
Resumen de: WO2025115365A1
A secondary battery evaluation system according to one aspect of the present invention determines whether or not a secondary battery to be inspected is normal on the basis of a comparison of a plurality of first measurement values, obtained from a plurality of normal secondary batteries including at least normal secondary batteries having different SoCs from each other, and a second measurement value, obtained from the secondary battery to be inspected, or a comparison of a plurality of first calculated values, obtained on the basis of the plurality of first measurement values, and a second calculated value, obtained on the basis of the second measurement value.
Resumen de: WO2025116589A1
The present invention relates to a method for producing a separator for a zinc secondary battery, and a separator for a zinc secondary battery produced thereby, the method comprising the steps of: producing a polyacrylonitrile (PAN) nanofiber mat by means of electrospinning; and producing a PAN nanofiber mat containing gelatin by impregnating the PAN nanofiber mat with a gelatin solution and drying same.
Resumen de: WO2025116624A1
The present invention relates to a conductive composite binder for a lithium secondary battery negative electrode, the conductive composite binder comprising: a first compound having at least one carboxyl group (-COOH) or at least one hydroxyl group (-OH); a second compound physically connected to the first compound and having at least one hydroxyl group (-OH) and at least one benzene ring; and a carbon material physically connected to the first or second compound.
Resumen de: WO2025116625A1
The present invention relates to a negative electrode active material for a secondary battery, comprising a silicon compound and a surface layer provided to cover at least a portion of the surface of the silicon compound, wherein the surface layer contains graphene and an organic compound, and the organic compound forms a catechol bond together with the silicon compound.
Resumen de: WO2025115369A1
Provided is a battery pack capable of preventing a chain of thermal runaway caused by a high-temperature gas generated from an abnormal battery cell during thermal runaway. This battery pack comprises a module that has a plurality of battery cells each provided with a safety valve, a case that accommodates the module, and a heat insulating material that is provided between the module and the case, the battery pack being characterized in that: the heat insulating material includes a first heat insulating sheet, and a second heat insulating sheet laminated on the first heat insulating sheet; the heat insulating material is disposed such that the first heat insulating sheet is positioned on the module side and the second heat insulating sheet is positioned on the case side; a plurality of openings penetrating the second heat insulating sheet are formed in the second heat insulating sheet; the plurality of openings each have a covering piece that covers at least a portion of the opening; the covering pieces are bonded to the first heat insulating sheet and/or the second heat insulating sheet by an adhesive layer; and when the second heat insulating sheet is seen in a perspective plan view, one of the openings is positioned so as to overlap at least a portion of one of the safety valves.
Resumen de: WO2025116621A1
The present invention relates to an electrode composite film comprising: a binder having a three-dimensional fiber network structure; and an electrode active material accommodated within the fiber network structure, wherein the electrode composite film has an R value, defined by the density and tensile strength of the electrode composite film, in the range of 5.0 to 10.0. By enhancing the sheet formation completeness of the electrode composite film, the R value can meet the range, thereby providing an electrode composite film with excellent mechanical strength, superior surface appearance, and stable performance in the lamination process with the current collector.
Resumen de: WO2025116627A1
The present invention relates to a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a lithium transition metal oxide; and a surface layer provided on the surface of the lithium transition metal oxide, wherein the surface layer comprises carbon nanotubes and a cationic polymer, and has a zeta potential of -2 to 0 mV.
Resumen de: WO2025115433A1
This solid electrolyte contains: a molecular crystal containing an alkali metal salt and an organic molecule having at least one atom selected from the group consisting of a sulfur atom, an oxygen atom, a nitrogen atom, and a phosphorus atom; and a (meth) acrylic crosslinked polymer substantially not containing a structural unit derived from a (meth) acrylate having an ether group (excluding an ether group in a heterocyclic ring).
Resumen de: WO2025114738A1
The present disclosure provides a means capable of improving capacitance characteristics of a closed-type lithium oxygen battery. Disclosed is a lithium-containing composition including a lithium oxide, a catalyst, and a conductive polymer. The composition is useful as a positive electrode material for a closed-type lithium oxygen battery.
Resumen de: WO2025116466A1
The present invention relates to: a silicon carbon composite; a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, a battery pack, and an electric vehicle comprising same; and a method for manufacturing the silicon carbon composite, wherein the silicon carbon composite comprises silicon and carbon, the content of silicon is 40 to 60 parts by weight with respect to 100 parts by weight of the silicon carbon composite, the content ratio (C/Si) of carbon to silicon is 30 or more after 10 seconds of etching time under the condition of Ta2O5 being etched at a rate of 0.15 nm/s during XPS analysis and is less than or equal to 15 after 1,000 seconds of etching time, and the oxygen content is less than or equal to 10 parts by weight with respect to 100 parts by weight of the silicon carbon composite.
Resumen de: AU2024266735A1
Presented herein are systems for vehicle power control. The system includes a first controller arranged in a first hierarchical layer of a control topology, the first controller configured to control a first source of energy of a vehicle based on first data of the first source of energy, a second controller arranged in the first hierarchical layer of the control topology, the second controller configured to control a second source of energy of the vehicle based on second data of the second source of energy, and a third controller configured to receive the first data and the second data from the first hierarchical layer, generate a control signal based on the first data and the second data, and transmit the control signal to a component of the vehicle to control the component of the vehicle. ci, a) oo C)C) C) 5- (Vcm CO u cu Co a_ -.-- a) L U-n 0u cu cmm =3 U-
Resumen de: WO2025116432A1
A system for extracting active material residue from an assembly for coating an electrode with an active material layer, comprises a mobile tank configured to hold active material residue, a conduit attached to the mobile tank and connectable to the assembly, and a pumping device configured to apply a negative pressure to the mobile tank for sucking active material residue from the assembly through the conduit.
Resumen de: WO2025116701A1
The battery module according to an embodiment of the present invention comprises: a battery cell assembly formed by stacking multiple battery cells; a module frame for containing the battery cell assembly, the module frame comprising a bottom portion; and a phase change material layer disposed on the lower portion of the battery cell assembly. The phase change material layer is configured such that a part thereof corresponding to a battery cell which has undergone a high-temperature phenomenon among the multiple battery cells, is melted and removed, and the bottom portion is opened by the removed part of the phase change material layer, thereby discharging the battery cell which has undergone a high-temperature phenomenon.
Resumen de: EP4564036A1
L'invention concerne une méthode (100) pour détecter une défaillance d'une cellule d'une batterie Lithium-ion. La méthode comporte, pour au moins une phase CV d'un cycle de charge CC-CV de la cellule :- une collecte (110) de plusieurs mesures formant un signal de courant de floating,- une dérivation (120) du signal de courant de floating,- une décomposition en modes empiriques (130) de la dérivée du courant de floating,- une détermination (150) d'une valeur d'incidence représentative de l'état de santé de la cellule, pour la phase CV considérée, à partir des composantes intrinsèques obtenues par la décomposition,- une évaluation (160) d'un critère de défaillance de la cellule en fonction de la valeur d'incidence.
Resumen de: EP4564486A1
The disclosure aims to provide an electrochemical device mixture capable of improving the sheet strength, an electrochemical device mixture sheet, an electrochemical device, and a method for producing an electrochemical device mixture sheet. Provided is an electrochemical device mixture containing: a fluoropolyether; a fibrillatable resin; and an electrochemical device material.
Resumen de: EP4564572A1
The present invention relates to a microporous separator for lithium battery and its preparation method. Specifically, the present invention provides a microporous separator for lithium battery, which is a single-layer porous membrane containing polyolefin resin, having excellent elastic recovery performance in both a machine direction and a transverse direction. The present invention further provides a preparation method for a separator for lithium-ion battery with high planar elastic recovery.
Nº publicación: EP4564375A1 04/06/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4564375A1
Disclosed is a wire for electrical connection, the wire including a metal conductor located at the inner center thereof, a plurality of gas discharge members added to an outer surface of the metal conductor, the gas discharge members being disposed in a longitudinal direction of the metal conductor, an insulative tube configured to cover the outer surface of the metal conductor to which the plurality of gas discharge members is added, and a highly refractory covering layer configured to cover the insulative tube, whereby it is possible to prevent liquid and gas generated in the wire from being discharged in an unspecified direction in the event of fire.
BOPI
Sede Electrónica
