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1441
resultados
Última actualización
07/08/2025 [09:25:00]
Resultados 450 a 475 de 1441
Resumen de: US2025246671A1
A tray that is used in a manufacturing process of a secondary battery and accommodates a plurality of battery cells arranged in an arrangement direction. The tray includes a guide shaft portion extending in the arrangement direction, a plurality of partition plates guided by the guide shaft portion and configured to be moved along the arrangement direction, a pressing mechanism guided by the guide shaft portion and configured to be moved along the arrangement direction, and a collar that is coaxial with the guide shaft portion and disposed between two partition plates adjacent to each other among the plurality of partition plates.
Resumen de: US2025246673A1
A liquid additive for an all-solid-state battery capable of operating under conditions of room temperature and low pressure, and an all-solid-state battery including the same. Specifically, by adding a liquid additive having low reactivity with a solid electrolyte and high lithium ion conductivity to an anode layer, a cathode layer, or a solid electrolyte layer, ionic conductivity and current density robustness of the all-solid-state battery can be improved under conditions of room temperature and low pressure.
Resumen de: US2025246668A1
In some aspects, an electrochemical apparatus can include an anode current collector, a first anode material disposed on a first side of the anode current collector, and a second anode material disposed on a second side of the anode current collector, the second side opposite the first side. The apparatus further includes a cathode current collector with a first cathode material disposed on a first section of the cathode current collector and a second cathode material disposed on a second section of the cathode current collector. The apparatus further includes a separator folded such that a first portion of the separator is interposed between the first anode material and the first cathode material and a second portion of the separator is interposed between the second anode material and the second cathode material.
Resumen de: WO2025156656A1
The present application relates to the field of batteries, and discloses a battery cell adhesive application system and method. The adhesive application system for the battery cell comprises: a welding device, configured to weld a tab of the battery cell to an adapter piece, to acquire a target battery cell; a battery detection apparatus, configured to detect the target battery cell, the battery detection apparatus comprising an image acquisition device, configured to acquire an image of a tab region of the target battery cell, and a light source, comprising multiple sub-light sources arranged along a circumferential direction of an image acquisition channel of the image acquisition device, and configured to project light to the tab region, at least one sub-light source having different switching states in different working modes of the light source; an adhesive application device, configured to carry out adhesive application treatment on the acquired target battery cell; and a conveying device configured to convey the target battery cell for which welding is completed to the battery detection apparatus, and to convey a target battery cell having a normal detection result to the adhesive application device.
Resumen de: WO2025156514A1
A battery cell and a preparation method therefor. The battery cell comprises a casing (1). The casing (1) comprises at least one plate (10), a connecting portion (11), and a cladding layer (12). The connecting portion (11) is connected to the plate (10), and the plate (10) and the connecting portion (11) define an accommodating cavity. Regarding the cladding layer (12), the cladding layer (12) is provided on the side of the plate (10) distant from the accommodating cavity, and the cladding layer (12) covers the connecting portion (11). In a laser cladding process, the scanning rate of a laser beam relative to the connecting portion (11) is 50-500 mm/s; and the laser power in the laser cladding process is 0.8-5 kW.
Resumen de: WO2025156657A1
Provided in the present invention are a medical drill module for realizing battery rental, and a battery rental system. A medical drill comprises a drill body, a battery and a charger, wherein the battery is detachably installed in the drill body, and the charger charges the battery; a charging management chip is installed inside the charger, a smart chip is installed inside the battery, and the smart chip is in signal connection with the charging management chip by means of the overlapping contact of signal electrode sheets; the charging management chip is in signal connection with an MCU chip inside the charger; and the charger is provided with a power source interface, a network cable interface and a battery serial number input interface, the MCU chip realizes a network connection by means of the network cable interface, and a battery signal is input by means of the battery serial number input interface. The medical drill in the present invention realizes a battery rental mode, thereby reducing an initial cost; and a user does not need to pay for an expensive battery, thereby reducing an initial purchase cost.
Resumen de: WO2025156540A1
The present application relates to the technical field of batteries, and provides a CCS support, a CCS assembly, and a battery module. The CCS support comprises a first support and a second support; the first support is configured to mount an electrical component of the CCS assembly; the second support is connected to the first support; and a positioning structure configured to position the CCS support relative to a battery cell is provided on the second support.
Resumen de: WO2025159457A1
In order to achieve the objective described above, an embodiment of the present invention may provide a secondary battery stacking apparatus and stacking method for manufacturing an electrode assembly product by stacking a second semi-finished product on a first semi-finished product stacked on a pallet. Although stacking must be performed such that the center of the second semi-finished product coincides with the center of the first semi-finished product, it is not easy to calculate the actual center value of the first semi-finished product when shape disturbances occur at both ends of the first semi-finished product. The present embodiment may provide a stacking apparatus and a stacking method whereby stacking can be performed by calculating the center value of a first semi-finished product in a diagonal line manner rather than a conventional vertical line manner.
Resumen de: WO2025159425A1
The battery management apparatus according to an embodiment disclosed in the present document includes: an acquisition unit for acquiring the voltage of each of a plurality of battery cells included in a battery unit; a switch which is connected to the battery unit and turns on or off in response to a control signal; a conversion unit for converting the power of the battery unit into balancing power; and a controller for determining a cell balancing mode, including an active balancing mode and a passive balancing mode, and a balancing target cell on the basis of the voltage of each of the plurality of battery cells, and managing the balancing target cell using the balancing power or the power of the balancing target cell on the basis of the determined cell balancing mode.
Resumen de: WO2025159435A1
A battery manufacturing system is provided according to exemplary embodiments of the present invention. The system comprises: a location measuring device for generating a signal for sensing the location of an electrode sheet moving between an unwinder and a rewinder; a controller configured to collect location data of the electrode sheet on the basis of the sensing signal; and a measuring device and/or an inspection device configured to collect measurement data and/or inspection data for the moving electrode sheet, and generate location-associated measurement data and/or inspection data by associating the location data with the measurement data and/or the inspection data. At least one among the controller and the measuring device and/or the inspection device may correct the location data of the electrode sheet on the basis of a changing offset length.
Resumen de: WO2025159392A1
The present invention relates to an apparatus and a method for manufacturing a secondary battery, wherein, in a post-treatment process for a pouch-type secondary battery, main sealing is enabled in a state in which a secondary battery is vertically erected, so that pre-sealing and pre-cutting processes can be omitted and a layout of manufacturing equipment can be thus reduced. Therefore, reduction of the cost of a pouch through reduction of a pouch gas pocket part can be achieved.
Resumen de: WO2025159386A1
A battery pack according to an embodiment of the present invention comprises: a plurality of battery cells; a pack frame on which the battery cells are directly mounted or are mounted in a state in which the battery cells have been accommodated in a module frame; a pack cover covering the pack frame; and one or more frame members provided at the pack cover and having cooling water or fire extinguishing water.
Resumen de: US2025244390A1
A battery profile generating apparatus includes: a charging/discharging unit configured to charge and discharge a battery; a measurement unit configured to measure battery information that includes at least one of the voltage, current, and temperature of the battery during the charging/discharging process; and a control unit. The control unit is configured to: determine a target temperature and a target C-rate corresponding to charging/discharging conditions based on a preset reference profile that represents the correspondence between a threshold temperature and a threshold C-rate; control the charging/discharging unit to charge or discharge the battery at the target C-rate when the battery temperature corresponds to the target temperature; and generate a battery profile corresponding to the battery based on the battery information.
Resumen de: US2025248137A1
A solar cell assembly preparation method. In the process of preparing a conductive layer, several conductive layers separated by a first trench are formed on the substrate. After the conductive layers are formed, the separating function of second separating members and the separating function of third separating members are respectively utilized to ensure that the functional layer groups formed on one side of the conductive layers are separated by and located on two sides of an entirety formed by the second separating members and the third separating members.
Resumen de: US2025244391A1
Voltage data capture circuits and techniques. In one example, a circuit includes a differential transconductance stage, a differential transimpedance stage, and an analog to digital converter (ADC). The differential transconductance stage is configured to convert a differential input voltage into a differential current, and the differential transimpedance stage is configured to convert the differential current into a differential output voltage. The ADC is configured to sample the differential output voltage to produce a digital output signal. The circuit may further include a common-mode voltage regulator configured to regulate a common-mode input voltage for the differential transimpedance stage. The circuit can be used, for instance, in a battery monitoring system, or other voltage monitoring application.
Resumen de: US2025244355A1
A shock detection system for the battery pack of an electric vehicle, where the shock detection system uses at least one passive sensor, such as a knock sensor, for vibration detection. This sensor has large design freedom on the battery pack, either inside or outside, and is connected to the system for data treatment and data analysis. In addition to the knock sensor, the shock detection system also includes tuning forks located on the battery pack, where each tuning fork has a specific resonance frequency. During operation, when there is a shock or impact to the battery pack, each tuning fork resonates at a specific frequency, and the passive knock sensor detects these frequencies. The knock sensor then sends these frequency spectrums to the ECU of the electric vehicle, the ECU then determines the amplitude of the different frequencies and calculates the intensity and position of the impact using triangulation.
Resumen de: US2025246788A1
Disclosed is a drain valve for a power battery pack. Gaps are formed between outer sides of the guide plates and the valve body, and guide grooves are formed in the outer sides of the guide plates. Liquid entering the valve body via the liquid inlet flows to the liquid-swellable body via gaps between the guide plates, and the liquid-swellable body swells to jack up the valve cover, such that the guide grooves are connected to an opening between the valve cover and the valve body to form a draining passage. The drain valve for a power battery pack optimizes the position of the draining passage and the swelling space of the liquid-swellable body to ensure that the space of the draining passages will not be affected by the liquid-swellable body in a swelling state, thus guaranteeing a normal draining function.
Resumen de: US2025246775A1
A battery cell includes an electrode assembly, a case, an end cover assembly, and a current collecting component. The electrode assembly includes a first tab. The case is used for accommodating the electrode assembly, and the case has an opening. The end cover assembly covers the opening and is provided with an electrode lead-out portion. The current collecting component includes a tab connecting region and an end cover connecting region. The tab connecting region is used for connecting to the first tab. The end cover connecting region is welded to the inner side of the electrode lead-out portion and forms a first welded portion. The penetration depth of the first welded portion formed on the electrode lead-out portion is smaller than or equal to the thickness of the electrode lead-out portion.
Resumen de: US2025246762A1
A busbar module includes a case that is assembled to a battery module, and a flexible substrate that is held in the case. A main body of the flexible substrate includes a trunk portion, and a branch portion branched from the trunk portion. Meanwhile, the case includes a trunk holding portion, a branch holding portion that is positioned closer to the battery module side than the trunk holding portion, and a connecting wall that connects the trunk holding portion and the branch holding portion. The trunk holding portion, the branch holding portion, and the connecting wall form a stepped portion. Further, the branch portion includes a curved portion that curves smoothly in a connecting portion with the trunk portion. A holding portion that holds the main body in a state in which a curved shape of the curved portion is maintained is formed in the case.
Resumen de: US2025246771A1
A current collector with embossed bumps, includes a central region and edge regions, the central region being used for welding to the housing of the battery; the central region is provided with a plurality of embossed bumps in a cross array distribution. In one embodiment, the number of embossed bumps in each row is sequentially cross-distributed in odd and even numbers. In one embodiment, the embossed bumps in the odd number row are located on the symmetry axis of the two embossed bumps in the even number row. In one embodiment, three adjacent embossed bumps are distributed in an equilateral triangle. This embossed bumps design can increase the melting area of the weld by 24%, thereby increasing the welding strength at the bottom and increasing the welding firmness, and meanwhile reduce the internal resistance of the bottom welding point by 22%, thereby reducing the dissipation of electrical energy due to the internal resistance.
Resumen de: US2025244402A1
An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery; a profile adjusting unit configured to adjust a preset reference positive electrode profile and a reference negative electrode profile to correspond to the battery profile to generate an adjustment positive electrode profile and an adjustment negative electrode profile; and a control unit configured to extract a diagnostic factor for the battery from at least one of the adjustment positive electrode profile and the adjustment negative electrode profile and diagnose a state of the battery based on the extracted diagnostic factor.
Resumen de: US2025244405A1
Disclosed is a vehicle comprising a vehicle system having a system having a number of loads defining a load profile; a validated battery comprising one or more batteries which can fulfill the load profile; an integrated battery selected from the validated battery, the integrated battery selected for longevity relative to other batteries; wherein the validated battery is provided within the vehicle. Further disclosed is a battery longevity predictor comprising a plurality of battery factors; a plurality of electrical load factors; a plurality of cycling or crank data; an output; wherein the output comprises a battery longevity predictor based on the plurality of battery factors, plurality of vehicle loads, and the plurality of cycling or crank data.
Resumen de: US2025244392A1
A calibration method of an OCV-SOC functional relational expression of a battery and apparatus, an estimation method of an SOC of a battery and apparatus, and a medium and a vehicle, which belong to the technical field of batteries. The calibration method includes: acquiring a charging and discharging OCV-SOC curve, a charging OCV-SOC curve and a discharging OCV-SOC curve of the battery (S1); respectively fitting the curves to obtain three corresponding OCV-SOC functional relational expressions (S2); and then fitting the functional relational expressions to obtain a target OCV-SOC functional relational expression of the battery with hysteresis coefficients (S3). In the calibration method, an OCV-SOC functional relational expression is obtained, thereby reducing the impact brought by the hysteresis characteristic of the battery, and thus an SOC value obtained by measuring the OCV is more accurate.
Resumen de: US2025244404A1
An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery; and a control unit configured to divide a capacity section of the battery profile into a plurality of sections, derive a target value for any one target indicator among a plurality of diagnostic indicators preset in each section, compare a corresponding relationship between the derived plurality of target values with a reference profile preset to represent a corresponding relationship between the plurality of target indicators, and diagnose a state of the battery based on the comparison result.
Nº publicación: US2025246729A1 31/07/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Resumen de: US2025246729A1
One embodiment of the present disclosure relates to a secondary battery including a cylindrical can including a circular bottom part, and a side part extending from the bottom part, the side part having an open end portion, an electrode assembly accommodated in the cylindrical can, a current interrupt device disposed in the open end portion of the side part and having a vent therein, and a gasket disposed between the side part and the current interrupt device and including a protrusion configured to support a lower part of the current interrupt device.According to the embodiment of the present disclosure, by improving the shape of the gasket, components such as a cap-up and a safety vent are not deformed by pressure when a crimping part and a beading part are formed on the can for assembly of the cap assembly. Thus, the stability of the secondary battery can be improved.
BOPI
Sede Electrónica
