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648
resultados
Última actualización
04/08/2026 [07:12:00]
Resultados 575 a 600 de 648
Resumen de: US2025105344A1
0000 Disclosed herein is a solid-state battery comprising an anode, cathode, and solid electrolyte disposed between and in conductive contact with the anode and the cathode. The solid electrolyte comprises the compound Na
Resumen de: EP4783405A1
A starting power supply device capable of reverse charging includes a main control module, a rechargeable battery connected to the main control module, and a battery level detection module connected to the main control module and the rechargeable battery. The battery level detection module is used for detecting a battery level of the rechargeable battery to generate a battery level signal, and sending the battery level signal to the main control module. The main control module is used for obtaining the battery level signal to determine the battery level of the rechargeable battery. Moreover, when the battery level of the rechargeable battery is lower than a preset battery level, the main control module is used for obtaining electrical energy from a car battery to charge the rechargeable battery reversely. By configuring the battery level detection module, the battery level of the rechargeable battery is detected in real time.
Resumen de: WO2025064302A1
A method of pre-lithiating a lithium based secondary battery. The battery includes a population of unit cells, an electrode busbar, and a counter-electrode busbar. Each unit cell includes an electrode structure, a separator structure, and a counter-electrode structure. An auxiliary electrode containing lithium metal is connected to the unit cells. A current sink is connected to the electrode busbar and the auxiliary electrode, the current sink is controlled to conduct current from the electrode busbar through the auxiliary electrode, a voltage between the auxiliary electrode and counter-electrode busbar is detected periodically, an adjustment to the voltage is determined periodically, and the current sink is controlled to control an amplitude of the current to cause a sum of the voltage and the adjustment to be about zero volts.
Resumen de: EP4783328A1
0001 The present application has an object to provide a battery pack 40 which can flexibly respond to a specification change, and the battery pack 40 mounted on a hybrid system 10 includes a battery module 50 for supplying electricity to a motor generator 2 of the hybrid system 10, a control circuit for controlling the battery module 50, and a housing 400 accommodating the battery module 50 and the control circuit, in which the battery module 50 has a plurality of battery cells 510 and a cell case 500 accommodating the plurality of battery cells 510 and including a fixing part 500a with respect to the housing 400, the control circuit has a BMU 85 for monitoring and controlling an entire state of the battery module 50 and a CMU 87 for monitoring a state of each of the plurality of battery cells 510 and sending information to the BMU 85, in which the CMU 87 is mounted on the cell case 500 in one unit of the battery module 50.
Resumen de: WO2025064790A1
An energy storage system comprises an energy storage node that includes a plurality of battery storage elements and a control subsystem to receive battery data from the battery storage elements. The energy storage system further includes a power conversion system (PCS) and a control system coupled to the energy storage node and the PCS. The control system, the control subsystem, or both are configured to: receive or store battery charge and discharge characteristics of the battery storage elements during a plurality of operating conditions of the battery storage elements, the PCS, or both; and run the battery storage elements of the energy storage node at one or more selected operating conditions of the plurality of operating conditions based on the battery charge and discharge characteristics to reduce an imbalance in state of charge among the battery storage elements of the energy storage node.
Resumen de: WO2025061395A1
The invention relates to the use of a pipe (1) as a line section in a cooling circuit for a coolant, wherein: the cooling circuit is a component of a battery-cooling system of an electric car; the pipe (1) is a multi-layered pipe; the pipe (1) comprises an innermost layer (2) which comes into contact with the coolant; and the innermost layer (2) comprises a conductivity additive for increasing the electrical conductivity.
Resumen de: EP4783347A1
A battery cell (20), a battery (100), and an electric device are provided. The battery cell (20) includes a housing (21), an electrode assembly (22), a pressure relief mechanism (23), and an insulating piece (24). The housing (21) includes a first wall (211) and a second wall (212) connected to the first wall (211). The electrode assembly (22) is disposed in the housing (21). The second wall (212) surrounds the electrode assembly (22). A first gap (25) is formed between the electrode assembly (22) and the second wall (212). The pressure relief mechanism (23) is disposed on the first wall (211). The insulating piece (24) is disposed between the first wall (211) and the electrode assembly (22). The insulating piece (24) is configured to form an airflow channel (26) in communication with the first gap (25). The airflow channel (26) extends to the pressure relief mechanism (23).
Resumen de: US2025158241A1
0000 Provided are multilayered flexible interconnect circuits comprising multiple conductive layers. Also provided are methods of fabricating such circuits and also methods of fabricating battery assemblies with such circuits. A multilayered flexible interconnect circuit comprises at least two conductive layers and at least one inner insulator, which extends between these conductive layers in some circuit portions and allows for conductive layers to directly interface in other circuit portions (e.g., busbar portions). Outer insulators can be provided to insulate these conductive layers from the environment while allowing some access to these layers as needed. Each conductive layer and insulator can be individually patterned to achieve these functions. One or more insulators support conductive layers relative to each other as well as different portions (e.g., disjoined portions) of the same conductive layer. The same multilayered flexible interconnect circuit can provide battery interconnect, voltage/temperature sense, and/or other functions.
Resumen de: EP4783311A1
A secondary battery, a battery module including the same, and a method of manufacturing the same are disclosed. A secondary battery includes a case including an opening portion, an electrode assembly accommodated in the case and including a first tab member and a second tab member, a cap plate including a cap plate body located in the opening portion, and a cap plate terminal hole passing through the cap plate body, a terminal part including a first terminal electrically connected to the first tab member, and a second terminal electrically connected to the second tab member, and passing through the cap plate terminal hole, a first insulating part in contact with the terminal part to support the terminal part, and a second insulating part on the cap plate to support the first insulating part.
Resumen de: EP4783306A1
A cap assembly (100) includes: a cap plate (110) including at least one first engaging portion (113); and at least one terminal assembly (120) including a second engaging portion (122) fitted and engaged with the first engaging portion (113).
Resumen de: EP4783267A1
0001 An electrode plate according to an example embodiment may include an electrode plate including a substrate including a base layer and a first conductive layer and a second conductive layer disposed on upper and lower surfaces of the base layer, and an active material layer disposed on at least one surface of the substrate. The substrate includes a connector including a conductive material, the connector penetrating the first conductive layer, the base layer, and the second conductive layer, and connecting the first conductive layer and the second conductive layer. The substrate further includes a penetrator penetrating the connector.
Resumen de: EP4782141A1
0001 Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to transfer a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit located in front of the battery case, the pressing unit being configured to press the battery case, a support unit located at the rear of the battery case, the support unit being configured to support the battery case, a top cap holder configured to locate a top cap at the rear of the electrode tab, a top cap support unit configured to support the rear of the top cap, and a welding unit configured to weld the electrode tab and the top cap to each other, wherein the welding unit includes a welding mask configured to bring the electrode tab into tight contact with the top cap and a debris removal unit configured to remove debris generated during welding by injecting gas and/or suctioning the debris, and a top cap welding method for cylindrical battery cells using the same.
Resumen de: EP4783295A1
0001 The present disclosure relates to a pouch type secondary battery, and more specifically, to a pouch type secondary battery capable of easily determining whether an electrolyte is depleted from the outside without the need to disassemble a battery case.
Resumen de: EP4783304A1
The present disclosure provides a battery pack including: a battery unit including a plurality of battery cells stacked in one direction, side plates disposed at both ends in the stacking direction of the plurality of battery cells, and a band member connected to at least one of the mutual upper ends and mutual lower ends of the side plates; and a pack case forming an accommodation space in which at least one battery unit is mounted, wherein the pack case includes a pack case inlet and a pack case outlet through which insulating oil can flow in and out to the battery unit, and the plurality of battery cells is stacked in a direction crossing the inflow direction of the insulating oil.
Resumen de: EP4783408A1
0001 A charge/discharge noise characteristic enhancement circuit may include a register configured to detect an abnormal signal and output a first micro control unit (MCU) reset signal and a register signal, a first delay circuit configured to delay the first MCU reset signal output from the register and output a second MCU reset signal, an AND gate configured to receive the second MCU reset signal and the register signal and output a third MCU reset signal, a second delay circuit configured to delay the third MCU reset signal output from the AND gate and output a fourth MCU reset signal, and an MCU configured to perform a reset operation based on the first MCU reset signal or the fourth MCU reset signal.
Resumen de: EP4783243A1
0001 The present invention relates to an apparatus for manufacturing a pre-lithiated electrode including: a traveling unit along which an electrode having electrode active material layers on both surfaces of an electrode current collector layer travels; a lamination unit configured to laminate a transfer laminate including a lithium metal layer and a base layer such that the lithium metal layer comes into contact with each of the electrode active material layers, at a first side surface and a second side surface of the traveling unit; a first peeling unit including a first peeling roll configured to peel the base layer from the transfer laminate at the first side surface of the traveling unit; and a second peeling unit including a second peeling roll configured to peel the base layer from the transfer laminate at the second side surface of the traveling unit, wherein among points on the electrode having a shortest distance from a center of the first peeling roll to the electrode traveling along the first side surface of the traveling unit, an upstreammost point P, and among points on the electrode having a shortest distance from a center of the second peeling roll to the electrodes traveling along the second side surface of the traveling unit, a downstreammost point Q are different from each other, and the traveling unit at the point P and the traveling unit at the point Q are located on different straight lines.
Resumen de: EP4782854A1
0001 Disclosed are a battery pack including a plurality of cylindrical battery cells, a metal plate configured to electrically connect the plurality of cylindrical battery cells to each other, a monopole antenna attached to the plurality of cylindrical battery cells, and an antenna module connected to the monopole antenna, and a battery pack inspection apparatus for inspecting the same.
Resumen de: EP4783342A1
The present disclosure relates to a battery module and a battery pack including the same, and more particularly, to a battery module for preventing the spread of gases and/or flames to other battery cells when the gases and/or flames are produced from a specific battery cell and a battery pack including the same. The battery module according to the present disclosure includes a first cell unit, a second cell unit spaced apart from the first cell unit in a first direction, a first side beam covering an end of the first cell unit in a second direction perpendicular to the first direction, and a second side beam coupled to the first side beam, the second side beam covering an end of the second cell unit in the second direction, and at least a part of the first side beam and at least a part of the second side beam may overlap each other in the second direction.
Resumen de: EP4783349A1
The present disclosure relates to a secondary battery including an electrode assembly; an electrode tab electrically connected to the electrode assembly and bent to be in close contact with an end of the electrode assembly; a pouch provided to surround a perimeter of the electrode assembly; an electrode lead including a first lead portion electrically connected to the electrode tab and accommodated inside the pouch to be stacked on the electrode tab, and a second lead portion having one end connected to the first lead portion and the other end exposed to the outside of the pouch; and a protector provided to surround an edge of the first lead portion, thereby obtaining the advantageous effect of minimizing damage to a pouch and improving stability and reliability.
Resumen de: EP4782786A1
A system for inspecting curvature of a case corner (82) of a secondary battery, the system including a light source (100) configured to radiate light to a case corner (82) of a secondary battery at a plurality of incidence angles to generate reflected light, resulting in generated reflected light, a camera (200) configured to capture the generated reflected light to acquire a reflected light image of the case corner (82), and an image analyzer (300) configured to analyze the reflected light image and determine whether a curvature state of the case corner (82) is normal.
Resumen de: EP4782134A1
The present disclosure relates to a welding defect detection system and method capable of ensuring the safety and performance of the secondary battery by detecting defects of the welding part of the secondary battery. The system for detecting welding defects for a welding part of a secondary battery includes a primary detection module configured to detect and collect multidimensional image data for a welding part of a secondary battery, a data management module configured to store and manage the primary detection data, a secondary detection module configured to determine whether there is a defect in the welding part based on the stored and managed data, and a result transmission module configured to provide a determination result to a manufacturing execution system.
Resumen de: EP4782396A1
The present disclosure relates to a method for synthesizing a carbon coated lithium iron phosphate, the method comprising the following steps:a. Preparing a FePO4 hydrate precursor by mixing an iron containing compound and a phosphorus containing compound in a solvent at a pH ranging from 1.5 to 3.5 in presence of a precipitating agent that is also a carbon coating source;b. Drying the FePO4 hydrate precursor;c. Mixing the dried FePO4 precursor with a lithium salt and a source of carbon;d. Sintering the mixture obtained after step c) in an inert atmosphere at a temperature ranging from 550°C to 1000°C for 1 to 15h.
Resumen de: EP4782397A1
A lithium iron phosphate precursor, the preparation of which includes: uniformly mixing a metal oxide, a dispersant, a carbon source, a lithium source, and a first lithium iron phosphate in an aqueous solution, followed by a first grinding to obtain a first precursor with a median particle diameter (D50) of 0.35 to 0.39 µm; then adding a second lithium iron phosphate to the first precursor, uniformly mixing, and performing a second grinding to obtain the lithium iron phosphate precursor with a median particle diameter (D50) of 0.35 to 0.39 µm. The overall process provided by the present invention is simple and does not require repeated replacement of materials, reaction environments, or equipment, reflecting the advantages of a continuous process. In addition, the lithium iron phosphate battery cathode material produced from this precursor exhibits high compaction density characteristics.
Resumen de: EP4783299A1
0001 Disclosed is a method for processing batteries, the method comprising deactivating batteries by cooling of the batteries, wherein the cooling comprises ultradeep cooling of the batteries.
Nº publicación: EP4783317A1 29/07/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Resumen de: EP4783317A1
0001 A secondary battery (2) includes a case (100), an electrode assembly (200) inside of the case (100) and including a first electrode (210) and a second electrode (220), a first tab member (240) including a first inner tab member (241) and a first outer tab member (242) extending in a first direction from the first electrode (210), a first terminal (310) protruding outward from the case (100), a first current collector (410) inside of the case (100) and contacting the first terminal, a first inner plate (420) connected to the first current collector (410) and contacting the first inner tab member, the first inner plate (420) has a first thickness in the first direction, and a first outer plate (430) connected to the first current collector (410) and contacting the first outer tab member (242), the first outer plate (430) has a second thickness in the first direction different from the first thickness.
BOPI
Sede Electrónica
