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1173
resultados
Última actualización
31/03/2026 [07:19:00]
Resultados 475 a 500 de 1173
Resumen de: EP4715986A1
Disclosed is a battery module with improved manufacture efficiency, and a battery pack and a vehicle including the same. The battery module includes a plurality of battery cells, and a plurality of module frames configured to accommodate the plurality of battery cells, respectively, and provided as sharable frames to be coupled to each other.
Resumen de: EP4715939A1
The present disclosure provides an electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises: a first additive and a second additive. The structure of the first additive is as represented by formula 1, and the second additive comprises a trinitrile substance.
Resumen de: EP4714476A2
A peritoneal dialysis system for performing peritoneal dialysis using a pre-determined total volume of dialysate and arranged to employ a plurality of therapy cycles comprising a fill phase in which dialysate is delivered from the dialysis system via a patient line, a dwell phase, and a drain phase in which fluid is drained via the patient line, the system comprising: at least one pump chamber controllable to move fluid; a patient line in fluid communication with the at least one pump chamber to receive dialysate from the at least one pump chamber for delivery and to deliver fluid to the at least one pump chamber; a plurality of valves to selectively control flow in flow channels of the dialysis system; and a control system arranged to control the dialysis system to perform the following: control the at least one pump chamber and the plurality of valves to deliver a first infusion volume of dialysate to the patient line as part of a therapy cycle; measure the first infusion volume of dialysate delivered to the patient line during the therapy cycle; control the at least one pump chamber and the plurality of valves to receive fluid from the patient line as part of the therapy cycle; measure a volume of fluid received from the patient line during the therapy cycle; estimate a volume of ultrafiltration fluid produced during the therapy cycle; estimate a volume of residual fluid for the therapy cycle based on the measured volume of fluid received, the estimated ultrafiltration flu
Resumen de: EP4714621A1
The present disclosure relates to a die assembly used for notching or cutting an electrode plate of a secondary battery and a method of manufacturing the die assembly. The present disclosure provides a method of manufacturing a punch holder and a die holder of a die assembly for notching an electrode plate of a secondary battery, which includes fixedly overlapping a punch holder and a die holder, simultaneously polishing side surfaces of the punch holder and the die holder overlapping each other, setting a center point of each of the punch holder and the die holder overlapping each other, and generating a reference hole passing through each of the punch holder and the die holder overlapping each other at a position spaced from the center point, and a notching die assembly manufactured by the method.
Resumen de: EP4715882A1
A method of processing lithium metal for the negative electrode of an electrode assembly is provided. The processing method comprises the steps of: supplying raw materials by separating a first raw material comprising lithium metal bonded with a first protective layer on one side, and a second raw material comprising a second protective layer, so that the lithium metal is located between the first and second protective layers; cutting the lithium metal by pressurizing the supplied raw materials with a cutter on the first and second protective layers; and recovering the raw materials by separating the first and second raw materials after cutting. The method of processing lithium metal according to one embodiment of the present invention is effective for processing longitudinally extended lithium metal that is applied as a negative electrode in a stacked-folded electrode assembly, and can produce highly reliable processed lithium metal.
Resumen de: EP4715947A1
A secondary battery (100), including an electrode assembly (110) including a winding of a first electrode (112), a second electrode (114), and a separator (116) between the first electrode (112) and the second electrode (114), a case (120) accommodating the electrode assembly (110), and a first protective tape (510_1) attached to the first electrode (112) of the electrode assembly (110), wherein the first protective tape (510_1) wraps at least one turn around an interior of the electrode assembly (110) along a winding direction thereof.
Resumen de: EP4714559A1
Provided are a coating die head and a coating device for an electrode sheet. The coating die head is provided with a feeding port (111), a first flow equalizing cavity (11210), flow channels (11220), and a plurality of coating ports (1410); the first flow equalizing cavity (11210) extends in a first direction and is communicated with the feeding port (111); the plurality of coating ports (1410) are arranged at intervals in the first direction; and the flow channels (11220) are configured to communicate the first flow equalizing cavity (11210) with the plurality of coating ports (1410). Since the minimum cross-sectional areas of the flow channel (11220) between the plurality of coating ports (1410) and the first flow equalizing cavity (11210) are sequentially increased in the direction from the coating ports (1410) close to the feeding port (111) to the coating ports (1410) distant from the feeding port (111), the pressure lost by the slurry flowing to the coating ports (1410) distant from the feeding port (111) during the flow process is lower than the pressure lost by the slurry flowing to the coating ports (1410) close to the feeding port (111), thereby improving the uniformity of slurry coating in the coating process.
Resumen de: EP4715406A1
The present disclosure relates to a system for predicting a life of a battery including a training data generation device configured to generate first data comprising life data of a reference battery and profile data for each battery degradation mode, a prediction model generation device configured to generate one or more life prediction models to predict profile data for each battery degradation mode with initial life data of a target battery as input, based on the first data, and a life prediction device configured to predict a life of the target battery based on second data comprising profile data for each battery degradation mode predicted by the one or more life prediction models based on the initial life data of the target battery.
Resumen de: EP4715887A1
A secondary battery (001) includes an electrode assembly (01). The electrode assembly (01) includes first electrode plate (10), second electrode plates (20), and separators (30). The first electrode plates (10) include outer first electrode plates (101) and an inner first electrode plate. The outer first electrode plates (101) are located on the two outermost sides of the electrode assembly (01), respectively. The first electrode plate (10) include first current collector (11) and first active material layers (12). Each first current collector (11) includes a first surface and a second surface. The first surface is closer to a housing (02) than the second surface. The corresponding first active material layers (12) are disposed on a first surface and a second surface of the inner first electrode plate. At least one of the outer first electrode plates (101) is a single-sided first electrode plate. A first active material layer (12) disposed on the single-sided first electrode plate includes a first material layer (121) and a second material layer (122). A conductivity of the single-sided first electrode plate is A S/cm, and a conductivity of the inner first electrode plate (102) is B S/cm, where A ≤ B.
Resumen de: EP4715915A1
A secondary battery, including an electrode assembly having a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case accommodating the electrode assembly, and a tape attached to an inner surface of the case, wherein the tape includes a first adhesive layer and a second adhesive layer, the first adhesive layer contacts and adheres to the inner surface of the case, and the second adhesive layer faces the electrode assembly.
Resumen de: EP4715976A1
A secondary battery, including a case, an electrode assembly accommodated in the case, a cap assembly coupled to the case to seal the case, an insulator between the electrode assembly and the cap assembly, and a fixing member fixing the insulator to the electrode assembly, wherein the fixing member is in contact with the insulator, and wherein a first surface of the electrode assembly and a second surface of the electrode assembly are opposite each other.
Resumen de: EP4715896A1
The present application provides a battery cell, a battery comprising same, and an electrical apparatus. The battery cell comprises a positive electrode plate and an electrolyte solution. The positive electrode plate comprises a positive electrode active material. The positive electrode active material comprises an inner core and a coating layer coating the inner core. The inner core comprises Li<sub>x</sub>(Ni<sub>a</sub>Co<sub>b</sub>Mn<sub>c</sub>)<sub>d</sub>M<sub>e</sub>O<sub>f</sub>A<sub>y</sub>, where x, a, b, c, d., e, f, and y are respectively as described in the specification of the present application, M includes one or more of Zr, Sr, B, Ti, Mg, Sn, Tb, W, Nb, Sb, or Al, and A includes one or more of S, N, F, Cl, Br, or I. The coating layer comprises element Y, and the element Y includes one or more of Co, Zr, Sr, B, Ti, Mg, Sn, Tb, W, Nb, Sb, or Al. The electrolyte solution comprises a first additive, and the first additive includes an organic substance comprising a Si-N bond and a Si-O bond.
Resumen de: EP4715985A1
Provided are a battery pack explosion-proof structure, a battery pack, and an electric vehicle. The battery pack explosion-proof structure includes a bottom cover plate (10) and an explosion-proof valve (20). The bottom cover plate (10) includes a cover plate body (11) and an exhaust pipe (12) that are integrally formed. The exhaust pipe (12) is disposed on a side of the cover plate body (11) and extends in a direction away from the cover plate body (11). The gas inlet (121) of the exhaust pipe (12) is opened in the cover plate body (11). The explosion-proof valve (20) is connected to a side of the cover plate body (11) away from the exhaust pipe (12). A valve port (21211) of the explosion-proof valve (20) is directly opposite to the gas inlet (121) or is connected into the exhaust pipe (12).
Resumen de: CN121194933A
The double-wall battery charging cabinet may include: an outer cabinet wall; an inner cabinet wall spaced apart from the outer cabinet wall to form a thermally insulated air gap between the inner cabinet wall and the outer cabinet wall, the inner cabinet wall defining an interior volume; and an air convection port disposed through the outer cabinet wall and the inner cabinet wall. The cabinet may also include: a flame arrester disposed inside or near the air convection port; a damper located near the air convection port; a fuse link for holding the damper in the open position, the fuse link having a predetermined melting point at which the damper is released to slide horizontally from the open position to the closed position; and a power outlet disposed within the interior volume.
Resumen de: EP4715918A1
Provided are an apparatus and method for manufacturing a secondary battery. The apparatus for manufacturing a secondary battery may include an inserting part configured to support an upper portion of a case of the secondary battery, a pressurizing part configured to pressurize an outer surface of the case to form a beading part on the outer surface of the case during rotation of the case, a support part configured to support a lower portion of the case, and a gripper configured to selectively grip the case or release the grip of the case for rotation of the case.
Resumen de: EP4715919A1
A secondary battery (1), a battery group (100), and an electronic apparatus (1000) are provided. The secondary battery (1) includes a casing (10) and an electrode assembly (20) accommodated in the casing (10) and including a wound structure (201) formed by stacking and winding a positive sheet (21), a separator (22), and a negative sheet (23). In a wound structure axial direction (O), a positive current collector (211) of the positive sheet (21) includes a positive coated region (212) and a positive uncoated region (213), and a negative current collector (231) of the negative sheet (23) includes a negative coated region (232) and a negative uncoated region (233). In a wound structure winding direction (P), the positive uncoated region (213) sequentially includes a first, a second, and a third positive uncoated regions (214, 215, 216), and the negative uncoated region (233) sequentially includes negative uncoated regions (234, 235, 236).
Resumen de: EP4715302A1
An apparatus for drying an electrode plate of a secondary battery comprises a hot air inlet pipe that includes a torsional structure that is configured to cause rotation hot air for drying an electrode plate coated with a secondary battery electrode material substance or a rolled electrode plate. The apparatus also includes a drying duct that includes hot air ejection ports configured to direct the rotating hot air discharged from the hot air inlet pipe to the electrode plate.
Resumen de: EP4715881A1
The present invention relates to a drying chamber device for preventing meandering of an electrode sheet for a secondary battery. The device dries an active material by heat, by applying the heat while allowing an electrode sheet to pass therethrough, the electrode sheet including a coated portion which is a region coated with an active material and an uncoated portion on which the active material is not coated. The device comprises: a drying case having an inlet part and an outlet part and allowing an electrode sheet to pass therethrough and providing a drying space; a plurality of transfer rolls arranged inside the drying case and transferring an electrode sheet having entered through the inlet part, to send the electrode sheet to the outlet part; a heating portion which dries the active material by applying heat to the electrode sheet passing through the drying case; and a plurality of meandering prevention rolls that are installed between the transfer rolls and prevent meandering of the electrode sheet by applying a pulling force to the uncoated portion of the electrode sheet. The drying chamber device for preventing meandering of an electrode sheet for a secondary battery according to the present invention configured as above prevents meandering of an electrode sheet passing through a drying case, thereby enabling uniform drying of an active material.
Resumen de: EP4715995A1
The present disclosure relates to a separator for an electrochemical device and an electrochemical device including the same, and more particularly, to a separator for an electrochemical device including a plate-shaped silicate-based composition in a coating layer, thereby capable of improving dispersibility of a slurry for the coating layer and improving uniformity of the coating layer, and an electrochemical device including the same.
Resumen de: EP4715955A1
The present disclosure relates to a battery system with identical wireless communication performance, and the battery system for performing wireless communication using a frequency hopping method according to an embodiment includes: battery modules; a single antenna; slave BMSs connected to the battery modules, generating battery information by sensing states of the battery modules, and providing sensing signals including the battery information to the single antenna; and a master BMS connected to an antenna, receiving the sensing signals transmitted through the single antenna through the antenna, obtaining the battery information according to the sensing signals, generating control signals for controlling the battery modules by using the obtained battery information, and transmitting the control signals to the single antenna through the antenna.
Resumen de: EP4716062A1
A battery management system (110) includes: a charging controller (112) that controls charging of a secondary battery (102); a voltage sensor (121) that detects a voltage of the secondary battery; and a controller (113) that estimates an estimated range to which a battery level of the secondary battery belongs among multiple battery level ranges. Based on the detected voltage in a charging state among multiple charging states of the charging controller (112), the controller (113) tentatively determines a tentative range to which the battery level belongs among the multiple battery level ranges. Based on comparison between the tentative range and a past estimated range estimated in a past, the controller (113) estimates a current estimated range that is the estimated range of this time.
Resumen de: EP4715951A2
A module interface device for a multi-cell battery module comprises a cathode bus connectable to a cathode terminal and an anode bus connectable to an anode terminal of the battery module, and a set of one or more inter-cell taps connectable to respective inter-cell electrical interconnectors that interconnect neighboring pairs of cells of the battery module. The module interface devices comprises a cell balancing circuit that includes: an electrically conductive pathway that joins the cathode bus with the anode bus, a set of multiple resistive-capacitive elements arranged along the electrically conductive pathway, and a set of one or more switches in which a respective switch is located along each inter-cell tap. Each inter-cell tap joins the electrically conductive pathway at a respective location between a different neighboring pair of resistive-capacitive elements.
Resumen de: EP4715983A1
A battery module according to one embodiment of the present disclosure includes a battery cell stack including a plurality of stacked battery cells; and at least one cooling member arranged on at least one of both side surfaces of the battery cell stack or between the plurality of battery cells. The cooling member includes a cooling channel that is a space inside the cooling member where a coolant flows, and an air gap that is an empty space separated from the cooling channel.
Resumen de: EP4715899A1
The present application relates to a negative electrode active material, a method for preparing the negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode.
Nº publicación: EP4715938A1 25/03/2026
Solicitante:
SK ON CO LTD [KR]
SK INNOVATION CO LTD [KR]
SK On Co., Ltd,
SK innovation Co., Ltd
Resumen de: EP4715938A1
Embodiments of the present invention provide a non-aqueous electrolyte and a lithium secondary battery including the same. The non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive including a sulfonyl compound containing a sulfonyl group and two phosphorus atoms within one molecule.
BOPI
Sede Electrónica
