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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 225 a 250 de 955
Resumen de: EP4687196A1
The present disclosure relates to a rechargeable lithium battery module including two or more cell structures and a polymer-metal composite film between the cell structures, wherein the polymer-metal composite film includes a polymer film; and metal coating layers on both surfaces of the polymer film, and the polymer-metal composite film is exposed longer than the cell structure in a height direction or a width direction of the cell structure.
Resumen de: EP4687199A1
The present disclosure provides a battery. The battery includes a case formed of a conductive material, a sensing member attached to one surface of the case and including a conductor formed of a conductive material and a dielectric having at least a part thereof disposed between the case and the conductor, and a monitoring circuit electrically connected to the conductor and the case, wherein the monitoring circuit may monitor whether the battery is deformed based on an amount of change in a capacitance formed between the conductor and the one surface of the case.
Resumen de: EP4687246A1
A series-connected battery pack system includes a control circuit configured to: enter an equalization state when it is determined that a SOC difference between any battery packs is greater than a preset difference; determine a first voltage value of a first battery pack having a highest SOC value and a second voltage value of a second battery pack having a lowest SOC value; when the first and second voltage values meet a first condition, control the first battery pack to charge the second battery pack; enter a next equalization cycle when it is determine that real-time SOC values of all battery packs meet a second condition; and terminate the equalization state when it is determined that the SOC difference is less than or equal to the preset difference. Time required for equalization between battery packs may be reduced, and balancing effectiveness and an energy utilization rate may be improved.
Resumen de: EP4687207A1
A battery pack including multiple cells (100), a housing (200), and a support structure (1) is provided. Each cell has a cell explosion-proof valve (110), and the surface where the cell explosion-proof valve (110) of each cell is located is defined as a first cell end surface (120). The cells (100) are all disposed in the housing (200). The support structure (1) is at least partially disposed between an inner surface of the housing (200) and the cells (100) to define an exhaust channel (300) between the support structure (1) and the inner surface of the housing (200). The cells (100) are disposed on the support structure (1), and the first cell end surface (120) faces the support structure (1). A sidewall of the support structure (1) near the first cell end surface (120) is provided with an adhesive storage groove (12).
Resumen de: EP4687182A1
An electrode layer that an increase in resistance which is due to charging and discharging is small, the electrode layer comprises an electrode active material, a solid electrolyte containing a halogen element, and at least one solvent component, and a product (AB) where (A) is a % by mass of the solvent component in the electrode layer and (B) is a δP value of Hansen Solubility Parameters (HSP) of the solvent component, is less than 3.6832.
Resumen de: EP4687189A1
This invention provides a connection structure for battery cells (10) and battery module (60) thereof. The connection structure includes two blade terminals (20), two fixing supports (30) and an elastic terminal (40). The blade terminal (20) includes a fixing portion (201) and a connecting portion (202). After the electrical outputs (12) of the battery cells (10) are welded to the fixing portions (201) and clamped by the fixing supports (30), the connecting portions (202) of the blade terminals (20) are exposed between the two fixing supports (30). The elastic terminal (40) is utilized to clamp the connecting portions (202) to enhance the contact and electrical connection relationship therebetween. It can easily assemble or separate the battery cells (10), via this detachable fixation, without damaging the battery cell structure during assembly or maintenance. Therefore, it is convenient to replace or reuse battery cells (10) without incurring additional processing costs.
Resumen de: EP4687259A1
A secondary battery charging and discharging device includes: a first measurement part (100) including: a first base portion (110); a first current probe (120) joined to the first base portion (110), and to contact a first terminal (11) of a secondary battery (10); and a temperature probe (130) joined to the first base portion (110), spaced from the first current probe (120) at an interval, and to measure a temperature of the secondary battery (10); and a second measurement part (200) facing the first measurement part (100) with the secondary battery (10) therebetween, and including: a second base portion (210); and a second current probe (220) joined to the second base portion (210), and to contact a second terminal (12) of the secondary battery (10). The first current probe (120) and the second current probe (220) are adapted to charge the secondary battery (10).
Resumen de: EP4687183A1
A battery pack for powering a power tool includes: a housing including a tool interface detachably coupled to the power tool; a terminal assembly electrically connected to the power tool; and a battery unit including a positive electrode plate, where the positive electrode plate includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material is lithium iron manganese phosphate. The energy density of the battery pack is greater than or equal to 50 Wh/kg. The capacity loss of the battery pack is less than or equal to 15% after one thousand charge-discharge cycles are performed at room temperature, where each of the charge-discharge cycles is defined as the process in which the battery pack is discharged from a full voltage to a cut-off voltage and is charged from the cut-off voltage to the full voltage.
Resumen de: EP4687177A2
An apparatus for roll-pressing an electrode plate of a secondary battery includes: a first-stage press roller and a second-stage press roller configured to sequentially roll-press the electrode plate. A surface of the first-stage press roller configured to contact the electrode plate has a first roughness, and a surface of the second-stage press roller configured to contact the electrode plate has a second roughness.
Resumen de: EP4687205A1
A battery module includes a cell assembly including a first battery cell that includes a first electrode lead and a second battery cell that includes a second electrode lead, a busbar assembly including a support plate including a plurality of through-holes, and a busbar electrically connected to the first electrode lead and the second electrode lead, the first electrode lead and the second electrode lead overlapped each other, and a sensing terminal coupled to at least one of the first electrode lead or the second electrode lead. The first electrode lead and the second electrode lead are welded to each other at a first weld region to establish electrical connection. The sensing terminal is welded to at least one of the first electrode lead or the second electrode lead at a second weld region to establish electrical connection.
Resumen de: EP4687180A1
Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2. A rechargeable lithium battery includes: a positive electrode that includes a positive electrode active material; a negative electrode that includes a negative electrode active material; and the electrolyte described herein.
Resumen de: EP4687176A1
An apparatus for manufacturing an electrode plate of a secondary battery includes: a coating unit configured to coat an electrode material onto a substrate to form an electrode plate; a roll pressing unit configured to compress the electrode plate; and a drying unit configured to dry the electrode plate. The drying unit includes a dryer configured to selectively apply heat from a heat source and/or heat of hot wind to dry the electrode plate.
Resumen de: EP4687191A1
Provided are an acquisition assembly, a battery module, and a battery box. The acquisition assembly includes an insulation support (2), an acquisition wire (3), a flexible printed circuit, FPC, acquisition board (4), and a connector (5). The FPC acquisition board (4) includes an FPC acquisition body (41), a connecting portion (42), and a redundant part (43). The FPC acquisition body (41) is fixedly connected to the top of an expansion beam. The end of the acquisition wire (3) is connected to the FPC acquisition body (41). The connecting portion (42) is connected to the connector (5). Two ends of the redundant part (43) are connected to the FPC acquisition body (41) and the connecting portion (42), respectively. The connector (5) is connected to a battery management system, BMS, slave board.
Resumen de: EP4687192A1
The present disclosure relates to a battery management system (BMS) for managing a secondary battery, and to a method capable of supporting various types of applications and cell types with one BMS. To this end, the present disclosure provides a BMS that may include general-purpose input/output (GPIO) ports connected to a secondary battery module, a plurality of module support programs configured to support a plurality of secondary battery module types and various cell types, a configuration information designation port configured to designate configuration information of the module support program and included in the GPIO ports, and a module support unit configured to detect a state of the configuration information designation port to recognize a type of the secondary battery module and a cell type and retrieve the module support program corresponding to the type and the cell type to manage the secondary battery module.
Resumen de: EP4687188A1
A battery case, a battery pack including the battery case, and a method of manufacturing the battery case are disclosed. The battery case is a battery case that accommodates a plurality of battery cells, and may include a first case including a hook and a second case including a hook hole into which the hook is inserted when the first and second cases are fastened together. The second case may include a support part that supports the hook after the hook is inserted into the hook hole.
Resumen de: EP4687256A1
Provided are a method for battery derating protection, an electronic device, and a storage medium. In the method, application stages of a to-be-tested battery are correspondingly adjusted based on decline of a state of health of the to-be-tested battery (101, 201); in the case where the to-be-tested battery is in a beginning of life stage or a middle of life stage, a state-of-charge usage interval of the to-be-tested battery is set to an initial usage interval (102, 202); in the case where the to-be-tested battery transitions from the middle of life stage to an end of life stage, the state-of-charge usage interval is narrowed to a limited usage interval (103, 203); in the case where the to-be-tested battery transitions from the safety of life stage to the hazard of life stage, the to-be-tested battery is forcibly discharged to the lower limit of the limited usage interval (104, 204); after completing forced discharge, the state-of-charge usage interval of the to-be-tested battery is set to a single value (105, 205).
Resumen de: EP4687206A1
A cell bracket (1), a method for preparing the cell bracket, and a battery pack (1000) are provided. The cell bracket (1) includes a substrate (10) and a coating layer (30) wrapped around the substrate (10). The substrate (10) is made of glass fiber or carbon fiber. The coating layer (30) includes a resin component (300). The substrate (10) is provided with first pressure relief holes (110), and the resin component (300) is provided with second pressure relief holes (310). The first pressure relief holes (110) overlap with the second pressure relief holes (310) to form pressure relief holes (410) configured to support cylindrical cells.
Resumen de: GB2642998A
A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises several energy storage elements 14, a pressure supply device 28, by which the energy storage elements 14 are capable of being pressurized or are pressurized, and at least one spring element 16, which is arranged between two adjacent energy storage elements 14 and is capable of being displaced from a normal position 18 (as shown), in which the spring element 16 is in a compressed state, to a safety position (20, figure 2) by a reduction of the pressurization of the energy storage elements 14 caused by the pressure supply device 28. Preferably, the pressure supply device 28 is controlled to activate the safety position in response to the temperature measured by a temperature sensor 24 exceeding a particular value. The energy storage elements 14 are preferably provided between a pair of end plates 32,34, with pressure being applied to at least one of these plates. Preferably a mechanical metal spring is used for the spring element(s) 16, and multiple springs are used.
Resumen de: GB2642995A
A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises several energy storage elements 14, a pressure supply device 28, by which the energy storage elements 14 are capable of being pressurized or are pressurized, and a coupling element 16, wherein the energy storage elements 14 are coupled to each other via the coupling element 16. The coupling element 16 is designed as a string 17 capable of being deformed from a normal state 18 (as shown) to a stretched state (20, figure 3) where the distance between the energy storage elements 14 increases alongside a reduction of the pressurization of the energy storage elements 14 caused by the pressure supply device 28. Preferably, the pressure supply device 28 is controlled to reduce the applied pressure in response to the temperature measured by a temperature sensor 24 exceeding a particular value. The energy storage elements 14 are preferably provided between a pair of end plates 32,34, with pressure being applied to at least one of these plates. The coupling element 16 preferably acts as an electrical conductor that is heat and fire resistant.
Resumen de: GB2642987A
A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises storage elements 14, such as battery cells, an expandable material 16 between adjacent storage elements 14, and an activation device 18, such as a pneumatic system or a linear motor, that, when activated, increases the volume of the expandable material 16, to increase the distance between storage elements 14. The storage elements 14 can be positioned between end plates 22, 24 which can pressurise the storage elements 14, and the volume of the intermediate material 16 can be increased by reducing the pressurisation of the storage elements 14. The module 10 may have a temperature sensor 34 and an electronic computing device 36, thereby allowing the activation device 18 to enable an increase in volume of the expandable material as a function of temperature, to move the storage elements apart when the battery module becomes hot to reduce the likelihood of thermal runaway. Also disclosed is a method of operating a battery module 10 for an electrical energy storage device 12 of a motor vehicle.
Resumen de: GB2643028A
A method of decoupling a first component 102 of a battery assembly 100 from a second component 104, wherein the inner surfaces 112, 116 of the components are joined using an adhesive 106 and wherein the method comprises applying a heating element 108 to an outer surface of one of the components and increasing the temperature such that the temperature of the adhesive also increases. The heating may be done electrically. The heating element may be a heater mat and may be sized such that a length 118 and width 120 of the heating element is at least the same as a length and width of one of the components. The temperature of the adhesive may be increased to 60 - 130 ºC or 30 - 90 ºC. The heating duration may be 30 - 3600 seconds. The element may comprise a component temperature sensor (202, Fig. 2) and a controller (204, Fig. 2) to set the operating temperature of the element and alter it automatically in response to the sensed temperature. Further components may be joined by adhesive in a stack. After detaching a component, the heating element may be applied to the top of the new topmost component.
Resumen de: EP4686699A1
A cathode material of composite carbon-coated lithium manganese iron phosphate, preparation method, and use thereof are disclosed. The method includes steps: (1) by a coprecipitation reaction of a mixed bimetallic solution containing manganese and iron salts with an oxalic solution, and then filtering, washing and drying, to obtain a manganese iron oxalate precursor; and (2) the manganese iron oxalate precursor is mixed with a lithium source and carbon sources, and then grinding, spray drying, sintering and pulverizing, to obtain the cathode material of lithium manganese iron phosphate. This method has advantages of simple process, easy industrialized large-scale production, good economic benefits, low manufacturing cost, etc., which can effectively improve the charging/discharging specific capacity of the cathode material of lithium manganese iron phosphate. Moreover, this method also can solve the problems of poor electronic conductivity and low lithium-ion diffusion rate by coating lithium manganese iron phosphate with the composite carbon sources.
Resumen de: EP4687210A1
A collection device (100) for an immersion cooled battery, in particular a traction battery of a motor vehicle, is configured to be mounted to a battery housing (60) and comprises a base body (10) comprising a fluid inlet (11), a fluid outlet (13) for discharging a fluid escaping from the battery, and a fluid passage (22) extending between the fluid inlet (11) and the fluid outlet (13), the base body (10) surrounding an interior space (28), and a liquid absorbing material (30) disposed in at least part of the interior space (28).
Resumen de: TW202501017A
A storage battery inspection device (10) comprises: a power storage control circuit (11) for applying an alternating current to a storage battery (31); a magnetic sensor (12) for sensing a magnetic field outside the storage battery (31); a calculation unit (76) for calculating an alternating current flowing through the storage battery (31) on the basis of the sensing result from the magnetic sensor (12); and a correction unit (77) for calculating one or more vectors (Iabnormal, Inormal) on a complex plane representing the alternating current flowing through the storage battery (31) on the basis of the calculation result from the calculation unit (76), calculating one or more projection vectors (I'abnormal, I'normal) obtained by projecting the calculated one or more vectors (Iabnormal, Inormal) onto a predetermined straight line on the complex plane, and outputting a correction signal indicating the magnitude of the calculated one or more projection vectors (I'abnormal, I'normal).
Nº publicación: IL325143A 01/02/2026
Solicitante:
LIMITLESS SPACE INST [US]
HAROLD WHITE
LIMITLESS SPACE INSTITUTE,
Harold WHITE
Resumen de: AU2024285430A1
A battery includes a Casimir-effect powered cell (Casimir cell). The Casimir cell includes a first conductive wall; a second conductive wall that faces the first conductive wall; and a conductive antenna disposed in a cavity gap that is a space between the first conductive wall and the second conductive wall. The conductive antennal faces the first conductive wall and the second conductive wall. The first conductive wall and the second conductive wall produce a same first voltage potential. The conductive antenna produces a second voltage potential that is different from the first voltage potential. A voltage that is the difference between the first voltage potential and the second voltage potential is generated by Casimir phenomenon based on arrangement of the conductive antenna between the first conductive wall and the second conductive wall.
BOPI
Sede Electrónica
