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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 525 a 550 de 1242
Resumen de: EP4715909A1
Provided is a binder for a non-aqueous electrolyte battery, comprising a polymer comprising a segment A having a glass transition temperature of 25°C or less and a segment B having a melting point of 50°C or more.
Resumen de: EP4715940A1
Provided are an electrolyte and a secondary battery. The electrolyte includes a lithium salt and a solvent. The solvent includes ethylene carbonate, propylene carbonate, fluorinated ethylene carbonate, and linear carbonate. A mass percentage of the ethylene carbonate relative to the solvent is 2% to 10%. A sum of a mass of the propylene carbonate and the fluorinated ethylene carbonate relative to the mass percentage of the solvent is 10% to 30%. The electrolyte may well match batteries with high working voltage, while ensuring that the initial impedance of the battery does not deteriorate, effectively improving the issues of poor cycle performance and large cycle gas generation of the battery.
Resumen de: EP4715980A1
The application discloses a battery pack, including: a casing body, including a casing shell and a casing cover, wherein the casing shell forms a accommodating cavity, and the casing cover and the casing shell are connected with each other so that the casing cover closes the accommodating cavity; a plurality of battery cells, arranged inside the accommodation cavity; a plurality of pressure strips, arranged between the casing cover and the battery cells; a first adhesive; and a second adhesive; wherein the first adhesive is arranged between the casing cover and the plurality of pressure strips to connect the casing cover with the plurality of pressure strips, and the second adhesive is arranged between the plurality of pressure strips and the plurality of battery cells to connect the plurality of pressure strips with the plurality of battery cells.
Resumen de: EP4715942A1
The present disclosure relates to an electrolyte for a lithium secondary battery that can improve the initial discharge characteristics, lifetime characteristics and output characteristics, etc. of a lithium metal secondary battery, and a lithium metal secondary battery comprising the same. The electrolyte may include a lithium salt; a non-aqueous organic solvent; an organic anti-solvent that exhibits a solubility for the lithium salt that is at least 10 times lower than that of the non-aqueous organic solvent; and an additive including a fluorine-substituted ether compound.
Resumen de: EP4715364A1
Embodiments provide an electrode-tab assembly inspection device. The electrode-tab assembly inspection device includes: a first jig configured to fix an electrode including a coated part and an uncoated part; a second jig configured to pull an electrode tab, which is welded to the uncoated part of the electrode, in a direction that is not parallel to the electrode; and a gauge configured to sense a tensile force applied to the electrode tab.
Resumen de: EP4715946A1
The present invention relates to a cylindrical lithium secondary battery including an electrode assembly in which a positive electrode, a separator, and a negative electrode are sequentially stacked and wound in one direction, an electrolyte, and a battery case in which the electrode assembly and the electrolyte are accommodated, wherein the electrolyte includes one or more selected from the group consisting of a cyclic carbonate-based solvent and a linear carbonate-based solvent, a diffusion of ions in a battery (DIB) value defined by Equation 1 below is 150 mS/mm<sup>2</sup> to 160 mS/mm<sup>2</sup>, and the viscosity of the electrolyte at 25 °C is 3.23 cP or less. DIBDiffusionofIoninaBattery=hR×1r×C×t+×1000In Equation 1 above, h (unit: mm) is the height of the cylindrical lithium secondary battery, R (unit: mm) is the diameter of the cylindrical lithium secondary battery, r (unit: mm) is the radius of a winding central portion of the electrode assembly, C (unit: mS/mm) is the ion conductivity of the electrolyte, and t<sup>+</sup> is the cation transport rate of the electrolyte.
Resumen de: EP4714368A1
The present application relates to a surgical instrument and an assembling method therefor. A power source discharging mechanism includes a circuit board and a sliding member. The circuit board includes a discharging circuit, a conductive sheet, and a conductive contact surface. A fixed terminal of the conductive sheet is fixed to the circuit board, and the conductive contact surface faces an extension section of the conductive sheet. The sliding member is opposite to the conductive sheet and can linearly move relative to the power source assembly. At a first position, at least a portion of the extension section of the conductive sheet is separated from the conductive contact surface. At a second position, at least a portion of the extension section of the conductive sheet is in contact with the conductive contact surface. The discharging circuit in the present application is turned on or turned off only based on a contact/separation relationship between the conductive sheet and the conductive contact surface, which is no longer limited to contact/separation between paired contact terminals of a discharging mechanism and a power source.
Resumen de: EP4715966A1
The present application provides a battery cell case and a manufacturing method therefor, a battery cell, a battery, and an electric apparatus. The case comprises at least two side plates, wherein each side plate is independently formed, and the at least two side plates are sequentially arranged and connected in the circumferential direction of the case so as to enclose a hollow tubular structure.
Resumen de: EP4715932A1
A lithium-ion secondary battery (5) and an electric apparatus are provided. The lithium-ion secondary battery (5) includes an electrolyte. The electrolyte includes alkali metal ions having an ionic radius greater than a radius of lithium ions and a film-forming additive. Based on a total mass of the electrolyte, a mass percentage A of the alkali metal ions and a mass percentage B of the additive satisfy 0.10≤B/A≤6×10<4>.The lithium-ion secondary battery (5) exhibits a low direct current resistance and excellent cycling performance.
Resumen de: CN121128033A
The invention relates to a housing (12) for a module electrode connection (10) for providing touch protection for the module electrode connection (10), comprising a module electrode busbar (14) having a contact region (14a), the housing (12) has a module electrode connection (32) which can be connected in a connection direction (R) to a module connector (32) and which can be in electrical contact with the module connector via a contact region (14a), the housing (12) being designed to be electrically insulating and to receive a module electrode busbar (14), the housing having a first housing wall (24) which has a cutout region (24a), the cutout region (24a) being designed to receive the module electrode busbar (14), and the cutout region (24a) being designed to receive the module electrode busbar (14). The first housing wall (24) has a cutout region (24), which, if the module electrode busbar (14) is accommodated in the housing (12) in a conventional manner, has at least one cutout (24b) that exposes at least part of the contact region (14a) of the module electrode busbar (14), and wherein the first housing wall (24) has a cutout edge region (30) which surrounds the cutout region (24a) in the radial direction. In this case, the first housing wall (24) surrounds an electrically insulating ring (26) radially in the cutout region (24a), which ring is connected to the cutout edge region (30) by means of at least one insulating web (28).
Resumen de: EP4715404A1
A battery management apparatus according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a differential profile representing a corresponding relationship between a differential capacity and a voltage of a battery; and a control unit configured to determine a plurality of peaks in the differential profile, calculate a capacity of each of a plurality of voltage sections distinguished based on the plurality of peaks, calculate a capacity change rate of each of the plurality of voltage sections based on the calculated plurality of capacities and a preset reference capacity, and diagnose a state of the battery according to the calculated plurality of capacity change rates.
Resumen de: EP4715970A1
A pouch forming apparatus is configured to form a receiving portion for housing an electrode assembly in a pouch sheet, and includes a seating unit on which the pouch sheet is seated, a pressing plate which fixes the pouch sheet to the seating unit by pressing the pouch sheet, a lifting unit which causes vertical movement of the pressing plate, and a forming unit which presses the pouch sheet to form the receiving portion, wherein a sensor unit for measuring the pressure formed between the pressing plate and the seating unit is provided on an upper part of the seating unit.
Resumen de: EP4716001A1
A top cap of the present disclosure includes a supply portion that supplies electricity to an external circuit; a terminal portion that supplies electricity to the supply portion; and an electricity cut-off portion that electrically connects the supply portion and the terminal portion or disconnects them so as not to conduct electricity depending on the deformation temperature, wherein the electricity cut-off portion includes an insulator provided between the supply portion and the terminal portion and allowing the supply portion and the terminal portion to be spaced apart so as not to contact each other; and a deformation body that electrically connects the supply portion and the terminal portion below the deformation temperature and is deformed above the deformation temperature to disconnect the supply portion and the terminal portion so as not to conduct electricity.
Resumen de: EP4716000A1
A cap assembly of the present disclosure includes a top cap; and a CID module provided below the top cap and cutting off a current when a temperature inside the secondary battery rises above the deformation temperature, wherein the CID module includes an upper plate provided below the top cap and having a protrusion; a lower plate provided below the upper plate and contacting only the protrusion; an insulating plate provided between the edge of the upper plate and the edge of the lower plate; and a deformation body that is provided between the upper plate and the lower plate and separates the protrusion and the lower plate so that the current does not pass therethrough by lifting the upper plate when a temperature of the secondary battery rises above the deformation temperature.
Resumen de: EP4715013A1
This application discloses a harmonica tube and a preparation method thereof, a liquid cooling plate, a battery, and an electric apparatus, where a material of the harmonica tube includes a polyphenylene sulfide composition, and the polyphenylene sulfide composition includes a polyphenylene sulfide resin and a toughening agent; the toughening agent includes a copolymer of an olefin and a glycidyl ester. By providing the polyphenylene sulfide composition as the material for the harmonica tube, this application facilitates reducing issues such as material breakage or poor extrusion flow during extrusion molding, enabling the formed harmonica tube to exhibit excellent mechanical strength, deformation resistance, corrosion resistance, heat resistance, heat dissipation, and creep resistance, lowering the risk of cracking under pressure during use, and enhancing production capacity and product quality.
Resumen de: EP4715409A1
According to some embodiments disclosed herein, a battery diagnosis apparatus includes a sensor configured to measure time-based first battery data from a diagnosis target battery and a controller configured to pre-process the first battery data to generate pre-processed data, generate frequency-based second battery data based on the pre-processed data, and diagnose, based on statistical data related to the second battery data, whether the diagnosis target battery is abnormal.
Resumen de: WO2024238717A1
The present disclosure provides an energy storage system. For example, an energy storage system a chassis; a battery module comprising a plurality of battery cells and a thermal interface material disposed between a wall of the chassis and the plurality of battery cells such that if a temperature within the chassis is less than a predetermined temperature, the thermal interface material transfers heat to the wall of the chassis, and if the temperature within the chassis is equal to or greater than the predetermined temperature, the thermal interface material creates a thermal barrier that blocks heat from a hotter cell of the plurality of battery cells to the ambient and to other cells of the plurality of battery cells.
Resumen de: CN121175359A
The present invention relates to a process for the manufacture of a polymer comprising repeating units of formula 1, wherein X1, X2, X3, X4 are independently and at each occurrence selected from the group consisting of O, S, NH and NR. The polymer comprises unsaturated units and saturated units, the latter from a comonomer that provides units X1-L1-X2 in Formula 1. The polymer is suitable for use in electrolytes or electrode materials. The invention also relates to electrochemical cells and batteries comprising these electrolytes, and also to electrode materials. Formula 1.
Resumen de: EP4715906A1
A positive electrode active material according to the present invention is a positive electrode active material including lithium composite transition metal oxide particles having a nickel content of 50 mol% to 80 mol% among all metals excluding lithium and having the form of a single particle formed of one single nodule, or a quasi-single particle, a composite of up to 30 nodules, and a coating layer formed on a surface of the lithium composite transition metal oxide particles, wherein the positive electrode active material satisfies Equation 1 below. 1.0≤P2/P1≤4.0In Equation 1 above, P1 is a total volume of pores having a pore diameter greater than 40 A in the positive electrode active material, and P2 is a total volume of pores having a pore diameter of 40 Å or less in the positive electrode active material.
Resumen de: EP4715905A1
A positive electrode material powder according to the present invention is a positive electrode material powder including a positive electrode active material containing lithium nickel-based oxide particles having a nickel (Ni) content of 50 mol% to 80 mol% among all metals excluding lithium, wherein the lithium nickel-based oxide particles are in the form of a single particle formed of one single nodule, or a quasi-single particle, a composite of up to 30 nodules, and a PCF value indicated by Equation 1 according to the present invention satisfies a range of 2.0 to 3.4.
Resumen de: EP4715967A1
Disclosed is a secondary battery including: a stack-type electrode assembly including a plurality of unit cells stacked in a first direction, and having electrode leads at both ends in a second direction perpendicular to the first direction; a multifunctional terminal block (MTB) at both ends of the stack-type electrode assembly; and a laminate sheet wrapping around the sides of the stack-type electrode assembly, wherein the MTB includes: an inner housing, and a first assembly comprising an electrode terminal part stored in the inner housing and electrically connected to electrode leads of the stack-type electrode assembly; and an outer housing wrapping around at least a portion of the first assembly, and a second assembly comprising a rupture disk coupled to the outer housing and configured to rupture to release gas upon an increase in internal pressure.
Resumen de: EP4715931A1
The present invention relates to a novel electrolyte additive, a non-aqueous electrolyte for a lithium secondary battery comprising the novel electrolyte additive, and a lithium secondary battery comprising the non-aqueous electrolyte. More specifically, the present invention relates to a non-aqueous electrolyte for a lithium secondary battery comprising an additive capable of forming a stable film on an electrode surface. The present invention also relates to a lithium secondary battery comprising such a non-aqueous electrolyte, thereby, a high temperature lifespan of the lithium secondary battery is not deteriorated, resistance does not increase when the lithium secondary battery is stored at a high temperature, and expansion of a volume (thickness) of the lithium secondary battery is suppressed when the lithium secondary battery is stored at a high temperature.
Resumen de: EP4715929A1
Provided are a highly reliable all-solid-state battery and a solid electrolyte sheet that can form a part of the all-solid-state battery. A solid electrolyte sheet according to the present invention has a porous substrate, and a solid electrolyte retained on the porous substrate, and the solid electrolyte sheet includes: a solid electrolyte layer A containing a solid electrolyte a that reacts with metallic lithium to oxidize lithium; and a solid electrolyte layer B containing a solid electrolyte b that is less reactive with metallic lithium than the solid electrolyte a, and the solid electrolyte layer B is disposed on at least one surface of the solid electrolyte sheet. An all-solid-state battery according to the present invention includes: a positive electrode; a negative electrode; and a solid electrolyte layer, and the solid electrolyte layer is the solid electrolyte sheet according to the present invention, and the solid electrolyte layer B of the solid electrolyte sheet faces the negative electrode.
Resumen de: EP4715928A1
The present invention provides a secondary battery support that employs a configuration where a plurality of layers formed including at least one type selected from paper and a non-woven fabric are laminated and integrated, and can reduce an internal resistance of a solid electrolyte layer.
Nº publicación: EP4715071A1 25/03/2026
Solicitante:
MEC CO LTD [JP]
MEC COMPANY., LTD
Resumen de: EP4715071A1
A method for processing a lithium-ion battery waste by hydrometallurgical processing of the lithium-ion battery waste to obtain a leachate in which at least cobalt and nickel are dissolved, the method comprising:a hydrometallurgical processing step of adding at least one compound (1) selected from the group consisting of ammonia and a salt thereof, and an amine compound and a salt thereof to the lithium-ion battery waste and mixing them to obtain the leachate in which at least the cobalt and the nickel are dissolved; anda solid-liquid separation step of removing at least a part of metals not dissolved in the leachate by solid-liquid separation after the hydrometallurgical processing step.
BOPI
Sede Electrónica
