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677
resultados
Última actualización
13/09/2026 [07:11:00]
Resultados 200 a 225 de 677
Resumen de: AU2025322262A1
The present application provides a battery pack and an electrical apparatus. The battery pack comprises a box body and a battery cell group. The battery cell group is mounted between two side plates of the box body in such as manner as to allow thermal conduction. At least one side plate comprises a plurality of fins, and the plurality of fins extend in the length direction of the box body and are arranged at intervals in the height direction of the box body. The battery cell group dissipates heat by means of the fins in the side plates, thereby removing the requirement for heat dissipation devices such as multi-port tubes and axial fans, reducing operating power consumption and reducing the overall size of the battery pack.
Resumen de: US20260269386A1
Provided are a battery and an electronic device. The battery includes a cell, a protective plate and a sealant part, where the cell includes a housing, an electrode assembly, and a tab extending from the electrode assembly; the protective plate includes a protective plate main body and a connection terminal, the protective plate main body being located on a side of a first main body portion facing away from a top end face and electrically connected to the tab; the protective plate main body is parallel to a top end face of the cell; the sealant part is located at a periphery of the protective plate main body; at least one side of the protective plate in a direction of width has an exposed portion exposed outside the sealant part; and a first insulation member covers at least the exposed portion.
Resumen de: US20260269356A1
A method for controlling chilling of a coolant for cooling a rechargeable energy storage system (RESS) during charging of the RESS. The method includes obtaining a first value representative of an ambient temperature and obtaining a second value representative of a relative humidity. The method also includes determining an estimated dew point based on the first value and the second value and controlling a coolant chiller to maintain a temperature of the coolant to be greater than the estimated dew point during charging of the RESS.
Resumen de: US20260269430A1
A battery, including a case, an electrode assembly inside the case, the electrode assembly including an electrode, a tab member connected to the electrode, the tab member extending from the electrode assembly, a cap assembly facing the electrode assembly, the cap assembly having a terminal, and a current collector assembly between the electrode assembly and the cap assembly, wherein the current collector assembly includes a current collecting plate coupled to the tab member and a flexible current collector electrically connecting the current collecting plate and the terminal.
Resumen de: US20260264569A1
The application provides a battery control apparatus (200) that includes: a deterioration calculation unit 232 configured to calculate a deterioration degree of a battery 101; a deterioration prediction unit 502 configured to predict the deterioration degree of the battery; and an assembled-battery control management unit 230 configured to limit charge/discharge of the battery based on comparison between change over time of the deterioration degree of the battery obtained by calculation of the calculation unit and change over time of the deterioration degree of the battery obtained by prediction of the prediction unit.
Resumen de: AU2024431383A1
A binder composition comprising a water-compatible copolymer as the binder material and water is disclosed, wherein the copolymer comprises a hydrophilic structural unit and a non-hydrophilic structural unit, and wherein the copolymer in the binder composition can be fibrillized in the presence of a shear force. The proportion of the hydrophilic structural unit in the copolymer is from about 60%to about 90%by mole, based on the total number of moles of monomeric units in the copolymer, and weight-average molecular weight of the copolymer is from about 400,000 g/mol to about 700,000 g/mol. The binder composition has a solid content of from about 5%to about 30%by weight, based on the total weight of the binder composition. An electrode layer manufactured using an electrode material mixture incorporating the binder composition of the present invention is also disclosed. The electrode components in the electrode layer are well-dispersed and adhere strongly to the current collector. As a result, the electrode layer could be made thicker and batteries comprising the electrode layer would have increased capacity.
Resumen de: US20260268472A1
Disclosed in the present application are an electrode sheet inspection method and system. The method comprises: acquiring an image to be subjected to inspection, which is collected from an electrode sheet; on the basis of preset edge-capture region information, determining at least one edge-capture region from the image, wherein the preset edge-capture region information comprises position information and/or size information of the edge-capture region; performing boundary detection on each edge-capture region, so as to obtain a first boundary line in each edge-capture region, wherein the first boundary line is used for delineating different partitions of the electrode sheet that are arranged in a widthwise direction; and using the first boundary line in each edge-capture region to determine width information related to the electrode sheet. In this way, the present application can implement automatic inspection for an electrode sheet.
Resumen de: US20260271240A1
A cooling plate device, a heat dissipation system, and a server are provided. The cooling plate device comprises: a transmission assembly comprising a first water inlet pipe, a first water outlet pipe, a first connecting plate, and a second connecting plate, the first water inlet pipe comprising a first nozzle and a second nozzle, the first nozzle being connected to the first connecting plate, the first water outlet pipe comprising a third nozzle, and the third nozzle being connected to the second connecting plate; a memory cooling plate, one end of the memory cooling plate being connected to the first connecting plate, another end of the memory cooling plate being connected to the second connecting plate, the first water inlet pipe, the first connecting plate, the memory cooling plate, the second connecting plate, and the first water outlet pipe being sequentially connected to form a liquid cooling channel.
Resumen de: US20260266918A1
Provided are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus according to the present invention comprises: a data acquisition unit for acquiring a first target full cell profile indicating a correspondence relationship between a capacity factor and a voltage of a target cell while a first electrical stimulus is applied to the target cell; and a control circuit for generating an estimated full cell profile on the basis of the first target full cell profile and an overvoltage profile. The control circuit determines a first performance factor group as a primary estimation result for the charging and discharging performance of the target cell by applying cell diagnosis logic to the estimated full cell profile. If the diagnostic performance of a factor correction model is evaluated as having satisfied a predetermined condition, the control circuit applies the factor correction model to the first performance factor group so as to determine a second performance factor group as a secondary estimation result for the charging and discharging performance of the target cell.
Resumen de: US20260266906A1
Provided is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a data obtaining unit configured to obtain a first target full-cell profile representing a correspondence between a capacity factor and a voltage of a target cell while a first electric stimulation is being applied to the target cell, and a control circuit configured to generate an estimated full-cell profile based on the first target full-cell profile and an overpotential profile. The control circuit determines a first performance factor group as a primary estimation result for charge/discharge performance of the target cell by applying a cell diagnosis logic to the estimated full-cell profile. The control circuit determines a second performance factor group as a secondary estimation result for the charge/discharge performance of the target cell by applying a factor correction model to the first performance factor group. The second performance factor group includes an estimation result of a negative electrode participation end point of the target cell.
Resumen de: US20260264999A1
The conveying apparatus includes a conveying mechanism, a blocking mechanism, and a damping mechanism. The conveying mechanism has a conveying zone, and the conveying mechanism is configured to convey material in the conveying zone along a transmission direction. The blocking mechanism is configured to extend into the conveying zone to block movement of the material along the transmission direction. The damping mechanism is at least partially located in the conveying zone. In the transmission direction, a damping mechanism is arranged at a distance from the blocking mechanism. The damping mechanism is capable of moving relative to the conveying mechanism under the drive of the material. The conveying apparatus provided by the present application is used for conveying carrier cups, and the damping mechanism is configured to provide resistance to the carrier cups to reduce the impact force of the carrier cups on the blocking mechanism.
Resumen de: EP4804272A1
0001 The present disclosure provides additive materials to be added to sulfide-containing solid electrolyte materials for use in solid state batteries, solid state batteries using such additive materials in their solid electrolyte materials, and methods of making such solid state batteries. The additive materials provided herein allow the solid state batteries using such additive materials to operate under relatively lower pressures compared to solid state batteries without such additive materials.
Resumen de: EP4804295A1
0001 A hybrid propulsion system includes an engine which includes a metal-air battery pack, a combustion chamber, and a propulsion power bus. The propulsion power bus is configured to receive energy from the metal-air battery pack and the combustion chamber, regulate voltage of the engine, manage an electric load of the engine, monitor electrical system faults or abnormalities, manage the heat generated within the engine, and distribute a stable and reliable power supply to propulsion-related components, such as the propeller or turbine.
Resumen de: EP4803915A1
A battery system 100 disclosed here includes a battery cell 10, a temperature sensor 60, a reference power supply 80, a first detection resistor 111, a second detection resistor 112, and a short circuit detector 120. The temperature sensor 60 is attached to the battery cell 10 via an insulating member and measures the temperature of the battery cell 10. The reference power supply 80 applies a reference voltage Vref to the temperature sensor 60. The first detection resistor 111 is located between the reference power supply 80 and the temperature sensor 60. The second detection resistor 112 is located between ground (GND) of the battery cell 10 and the temperature sensor 60. The short circuit detector 120 performs a first voltage acquisition process, a second voltage acquisition process, and a short circuit detection process.
Resumen de: GB2704533A
A method for manufacturing an electrode-separator assembly without a metal current collector, comprising (a) preparing a cathode layer composition comprising a cathode active material, a conductive material and a binder; (b) preparing an anode layer composition comprising an anode active material, a conductive material and a binder; (c) forming a cathode layer by spray coating the cathode layer composition on one surface of a separator; and (d) forming an anode layer by spray coating the anode layer composition on the other surface of the separator. The separator may be a ceramic separator composed of glass fibre or alumina. The cathode active material may be lithium iron phosphate; the anode active material may be lithium titanium oxide; the conductive material may be acetylene black; and the binder may be carboxymethyl cellulose. The spray coating may be performed while the separator is heated. Also disclosed are an electrode-separator assembly formed by the method; a further method for manufacturing a lithium-ion secondary battery comprising impregnating the electrode-separator assembly with an electrolyte by immersion, assembling battery components in a cell housing, and sealing and activating the assembled battery; and a lithium-ion secondary battery formed by the further method. Figure 2
Resumen de: EP4804293A1
0001 A battery apparatus (100) and an electric device are provided. The battery apparatus (100) includes a plurality of pouch cells (10) and a heat dissipation member (20). The plurality of pouch cells (10) are arranged along a first direction, and the heat dissipation member (20) is disposed between two adjacent pouch cells (10).
Resumen de: EP4804314A1
Disclosed are a battery apparatus and an electric device. The battery apparatus includes a case and a battery module, and the case has an accommodating cavity and a discharge cavity. The discharge cavity is provided around an outer peripheral side of the accommodating cavity, and the discharge cavity is in communication with the accommodating cavity via a communication hole. The battery module is disposed within the accommodating cavity, and includes a housing and a plurality of pouch battery cells accommodated in the housing. The housing has a weak part configured to release internal pressure of the pouch battery cells.
Resumen de: EP4804270A1
A non-aqueous electrolyte secondary battery (1) includes a positive electrode (10) containing a lithium manganese oxide (LMO) as a positive electrode active material, a negative electrode (20) containing lithium (Li) and SiOX (0 ≤ X < 2) as a negative electrode active material, and an electrolyte solution (50) containing an organic solvent and a supporting salt. A capacity balance represented by a capacity of the negative electrode and a capacity of the positive electrode {negative electrode capacity (mAh)/positive electrode capacity (mAh)} is in a range of 1.56 to 2.51. A molar ratio (Li/SiOx) of the lithium (Li) to the SiOX (0 ≤ X < 2) in the negative electrode active material is in a range of 3.8 to 4.9. A molar ratio (Li/LMO) of the lithium (Li) to the lithium manganese oxide (LMO) is 8.0 or less.
Resumen de: EP4804287A1
0001 The present disclosure relates to a positive electrode slurry, a positive electrode for rechargeable lithium battery, and a method for manufacturing a positive electrode for a rechargeable lithium battery. A positive electrode slurry includes a positive electrode active material, a conductive material, a binder, and an additive for preventing gelation. The positive electrode active material includes a nickel-based first positive electrode active material having a layered structure, and a phosphate-based second positive electrode active material. A weight ratio of the first positive electrode active material to the positive electrode active material is in a range of about 50 wt % to about 95 wt %. The additive for preventing gelation includes at least one of oxalic acid, succinic acid, malic acid, fumaric acid, or a combination thereof.
Resumen de: EP4803483A1
The present disclosure relates to a carbon nanotube, a conductive material dispersion including the carbon nanotube, and a method for manufacturing an electrode for a rechargeable lithium battery using the carbon nanotube. The carbon nanotube has a mesopore diameter distribution in the range of about 1.7 nm to about 300 nm as measured by a Barrett-Joyner-Halenda (BJH) method. A peak top mesopore diameter A in the distribution satisfies 30 nm ≤ A ≤ 40 nm, a full width at half maximum (FWHM) of the distribution is in the range of about 40 nm to about 55 nm; and a specific surface area of about 500 m2/g or less as measured by a Brunauer-Emmett-Teller (BET) method.
Resumen de: EP4804321A1
0001 A battery apparatus, an electric apparatus, and a method for processing a battery apparatus are provided, and pertain to the field of battery technologies. The battery apparatus includes multiple battery cell groups, where the multiple battery cell groups are stacked in a first direction, and each battery cell group includes at least one pouch cell; and each of the battery cell groups located between two ends in the first direction has one terminal in a second direction electrically connected to the battery cell group upstream in the first direction, and the other terminal in the second direction electrically connected to the battery cell group downstream in the first direction; where a flexible bent conductive structure is formed at a connection position of the two interconnected battery cell groups, and the first direction and the second direction are arranged at an angle.
Resumen de: EP4804302A1
0001 A battery cell (100), a battery apparatus (200), and an electric device (300) are provided. The battery cell (100) includes a flexible housing (10) and an electrode assembly (20). The electrode assembly (20) is disposed in the flexible housing (10), where the flexible housing (10) has a side surface (11) opposite a large surface of the electrode assembly (20), and a circumferential surface (12) avoiding the large surface, the circumferential surface (12) and the side surface (11) are connected along circumference of the electrode assembly (20), and at least the circumferential surface (12) is provided with a pressure relief region (121).
Resumen de: EP4804286A1
Disclosed in the present application are a winding needle (10), a winding device (1000) and a battery processing system. The winding needle comprises: an inner needle (11); at least two outer needles (12), which surround the inner needle along the circumference of the inner needle, and are movably arranged on the circumferential side of the inner needle in the radial direction of the inner needle; and a first structural member (13), which abuts against the outer needles, and can move relative to the outer needles in the axial direction of the inner needle to push the outer needles away from the inner needle in the radial direction of the inner needle. In the winding needle of the present application, the first structural member pushes the outer needles away from the inner needle in the radial direction of the inner needle, thereby achieving the effect of expanding the outer diameter of the winding needle; and the first structural member can be disengaged from the outer needles, and then an electrode assembly can apply pressure to the winding needle to enable the outer needles to move close to the inner needle in the radial direction of the inner needle, thereby achieving the effect of reducing the outer diameter of the winding needle. In this way, the outer diameter of the winding needle can be increased or decreased, so that the outer diameter of the winding needle can be adjusted during the winding process of the electrode assembly, thereby reducing the tab misalignment.
Resumen de: EP4804285A1
The present application is applicable to the technical field of battery production devices, and provides a winding device and a battery manufacturing device. The winding device (100) comprises: a laminating mechanism (10) used for unwinding a first electrode sheet (210), a first separator (220), and a second electrode sheet (230), and pressing the first electrode sheet (210), the first separator (220), and the second electrode sheet (230) to form a compounding sheet (250); a separator unwinding mechanism (20) used for unwinding a second separator (240); and a winding mechanism (30) provided on a discharging side of the laminating mechanism (10), the winding mechanism (30) being used for winding the compounding sheet (250) and the second separator (240) to form an electrode assembly (200). The winding device provided by the embodiments of the present application has reasonable layout, and the problem of the crowded space above the winding mechanism is solved.
Nº publicación: EP4804289A2 09/09/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Resumen de: EP4804289A2
A battery management system (400) includes a battery pack (300) includes a plurality of battery modules (340), and a plurality of battery-management modules (410) respectively corresponding to the plurality of battery modules (340), wherein each of the plurality of battery modules (340) includes a first set of temperature sensors (11, 13) disposed at a first position (341) of the battery module (340), and a second set of temperature sensors (21, 23) disposed at a second position (343) of the battery module (340) different from the first position (341), and wherein each of the plurality of battery-management modules (410) includes a first analog front end (413a) connected to at least one temperature sensor of the first set of temperature sensors (11, 13), and a second analog front end (413b) connected to at least one temperature sensor of the second set of temperature sensors (21, 23).
BOPI
Sede Electrónica
