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463
resultados
Última actualización
18/01/2026 [06:47:00]
Resultados 200 a 225 de 463
Resumen de: EP4679538A1
Disclosed is a secondary battery (100) and a method (800) for manufacturing the same. The secondary battery (100) includes an electrode assembly including a plurality of electrode plates, and a plurality of conductors (320, 420, 520, 720) joined to the electrode assembly, in which each of the plurality of electrode plates includes a portion with an active material (220) on both sides of a composite substrate (210), and a non-coated portion (310, 410, 510, 710) free of the active material (220), and where one end of each of the plurality of conductors (320, 420, 520, 720) is arranged between two adjacent non-coated portions (310, 410, 510, 710) of the plurality of electrode plates.
Resumen de: EP4679112A1
A method for predicting the remaining useful life of an energy storage battery online, a device, electronic equipment, storage medium, computer program product and computer program thereof, are disclosed. The method includes: obtaining energy storage battery sampled data corresponding to a plurality of identical sampled energy storage batteries under different sampled depths of charge-discharge respectively to establish a mapping relationship among a capacity degradation rate, cumulative discharge energy, and a depth of charge-discharge corresponding to the energy storage battery according to the energy storage battery sampled data; obtaining single depth of discharge and single cumulative discharge energy of a target energy storage battery in each discharge process from a first discharge to a current moment, and obtaining a single capacity degradation rate and an average single capacity degradation rate of the target energy storage battery by combining the mapping relationship; obtaining a current capacity degradation rate of the target energy storage battery according to the single capacity degradation rate corresponding to each discharge process; and obtaining a preset maximum capacity degradation rate corresponding to the target energy storage battery, and obtaining the remaining useful life of the target energy storage battery by combining the current capacity degradation rate and the average single capacity degradation rate.
Resumen de: EP4679692A1
A vehicle has a controller. The controller has an electrical device assembly. The electrical device assembly includes a first electrical device and a second electrical device. The first electrical device includes a first electrical device body, a first positive electrode connection terminal, and a first negative electrode connection terminal. The second electrical device includes a second electrical device body, a second positive electrode connection terminal, and a second negative electrode connection terminal. The first positive electrode connection terminal and the first negative electrode connection terminal are stacked along a second direction. The second positive electrode connection terminal and the second negative electrode connection terminal are stacked along the second direction. The first positive electrode connection terminal is mated with the second positive electrode connection terminal along a first direction. The first negative electrode connection terminal is mated with the second negative electrode connection terminal along the first direction.
Resumen de: EP4678462A1
Bei einem Kühlsystem (1) zum Kühlen von Fahrzeugkomponenten, insbesondere eines Energiespeichers (30), eines batterieelektrisch betriebenen Fahrzeugs, wobei das Kühlsystem (1) zumindest einen ersten Kühlkreislauf (10) mit zumindest einem ersten Kühlmittel und zumindest einem zweiten Kühlkreislauf (20) mit zumindest einem zweiten Kühlmittel umfasst, und wobei das zumindest eine zweite Kühlmittel zum Temperieren von Hochvolt-Fahrzeugkomponenten ausgebildet ist, dient der zumindest eine zweite Kühlkreislauf (20) zum Temperieren zumindest zweier Fahrzeugkomponenten (30, 31, 32, 33, 34, 38), von denen eine der Energiespeicher (30) des batterieelektrisch betriebenen Fahrzeugs ist und/oder sind der zumindest eine erste Kühlkreislauf (10), der zumindest eine zweite Kühlkreislauf (20) und ein Kältemittelkreislauf (50) zum Wärmeaustausch miteinander gekoppelt oder verbunden.
Resumen de: EP4679514A1
A positive electrode includes a positive electrode current collector and a positive electrode active material layer located on the positive electrode current collector and including a positive electrode active material and a conductive material. The positive electrode active material includes a layered lithium nickel-manganese-based composite oxide. The positive electrode may derive a reduced amount of a required conductive material using only the information of the positive electrode active material, thereby realizing high capacity and low mixture resistance, thereby enabling the realization of a long cycle-life.
Resumen de: EP4679548A1
A secondary battery may include an electrode assembly including a first electrode, a second electrode, and a separator, a case accommodating the electrode assembly, and an insulating portion on an upper surface and a lower surface of the electrode assembly, the insulating portion insulating the case and the electrode assembly from each other.
Resumen de: EP4679533A1
The present application relates to a direct recycling method for lithium iron phosphate (LiFePO<sub>4</sub>), comprising: immersing a cathode strip of a spent battery into deionized water, the cathode strip comprising a current collector and a coating bonded to the current collector, the coating comprising LiFePO<sub>4</sub>; mechanically separating the LiFePO<sub>4</sub> in the coating from the current collector; drying and grinding the separated LiFePO<sub>4</sub> to obtain powder of the LiFePO<sub>4</sub>; stirring deionized water added with a lithium source and a pure sulfurous acid solution to form a mixture solution; stirring the mixture solution added with the powder of the LiFePO<sub>4</sub> to form a suspension; heating the suspension to 90 °C - 140 °C for 4 - 8 hours to allow the LiFePO<sub>4</sub> in the suspension to be regenerated by a hydrothermal reaction; washing and drying the regenerated LiFePO<sub>4</sub>; and calcining the regenerated LiFePO<sub>4</sub> under an atmosphere of inert gas.
Resumen de: EP4679599A1
The present application provides a battery and an electric device. The battery comprises a case, battery cells and a protection plate. The case has an accommodating cavity. The case comprises a top wall, the top wall is located on the upper side of the accommodating cavity in the vertical direction, and a flow channel for a heat exchange medium to flow is formed in the top wall. The battery cells are accommodated in the accommodating cavity. The protection plate is provided on the side of the top wall distant from the battery cells and is connected to the top wall. The protection plate can protect the top wall from the upper side, so as to reduce the impact force on the top wall applied from the upper side, thereby reducing deformation of the top wall, improving the uniformity of heat exchange, reducing the risk of heat exchange medium leakage, and improving the reliability of the battery.
Resumen de: EP4679558A1
A battery pack according to an embodiment of the present disclosure comprises: a plurality of battery cells; a pack frame to which the battery cells are directly mounted or the battery cells are mounted in the state of being housed in a module frame; a pack cover that covers the pack frame; and one or more frame members provided on the pack cover and containing cooling water or fire extinguishing water.
Resumen de: EP4679526A1
Provided is an amphiphilic quasi-solid-state polymer electrolyte and a preparation method thereof, and a lithium-ion battery, belonging to the technical field of lithium-ion batteries. A method for preparing the amphiphilic quasi-solid-state polymer electrolyte includes the following steps: (1) subjecting a lithium salt, an isocyanoacrylate, a fluorinated acrylate, a crosslinking agent, and a plasticizer to a first mixing to obtain a raw material premix; (2) subjecting the raw material premix obtained in step (1) and a thermal initiator to a second mixing to obtain a precursor solution; and (3) subjecting the precursor solution obtained in step (2) to thermal polymerization to obtain the amphiphilic quasi-solid-state polymer electrolyte. The amphiphilic quasi-solid-state polymer electrolyte prepared by the method exhibits high ionic conductivity and exceptional safety performance. The lithium-ion battery incorporating the amphiphilic quasi-solid-state polymer electrolyte demonstrates excellent cycling stability.
Resumen de: EP4678101A2
An analyte sensor system is provided. The system comprises a base (1002, 2302-3902) configured to attach to a skin of a host. The base (1002, 2302-3902) comprises an analyte sensor configured to generate a sensor signal indicative of an analyte concentration level of the host; a battery; and a first plurality of contacts. The system further comprises a sensor electronics (2350-3950) module configured to releasably couple to the base. The sensor electronics (2350-3950) module comprises a second plurality of contacts (3454-3754), each configured to make electrical contact with a respective one of the first plurality of contacts when the sensor electronics (2350-3950) module is secured to the base (1002, 2302-3902) in any of a plurality of radial orientations; and a wireless transceiver configured to transmit a wireless signal based at least in part on the sensor signal.
Resumen de: EP4678047A2
The present invention relates to a portable storage and carrying case for a personal vaporizer. The case comprises a main body, a movable holder, adapted to receive the personal vaporizer, a main power source, and electrical charging contacts, connected to the main power source. The main power source is located in the main body. The movable holder is adapted to guide electrical charging contacts of the personal vaporizer into accurate alignment with the electrical charging contacts of the portable storage and carrying case.
Resumen de: EP4679601A2
A tripod system (10, 2000) comprising a tripod (14, 2002) having a center column (30, 2006) having a first end (82, 2024) and a second end (86, 2026) opposite the first end (82, 2024), a plurality of legs (22, 2004) coupled to the center column (30, 2006), a battery receptacle (62, 2028) supported by the center column (30, 2006) or one of the plurality of legs (22, 2004), and a head (38, 338, 2074) supported by the center column (30, 2006); a battery pack (300, 2200, 2300) removably coupled to the battery receptacle (62, 2028); and an accessory device (200, 2400) removably coupled to the head (38, 338, 2074) such that the accessory device (200, 2400) is electrically powered by the battery pack (300, 2200, 2300) through the tripod (14, 2002), the accessory device (200, 2400) including an upper portion (204, 404, 504, 604) formed as a luminaire (228, 410, 510, 610), wherein the accessory device (200, 2400) is removable from the head (38, 338, 2074) and couplable directly to the battery pack (300, 2200, 2300), and wherein the head (38, 338, 2074) is pivotally coupled to the second end (86, 2026) of the center column (30, 2006).
Resumen de: EP4679576A1
A prismatic battery cell (20) has a shell (21) with an upper wall (22), from which at least one electrical connector (26) protrudes, a lower wall (23) and a perimetral wall (24); the battery cell (20) further has a safety valve (30) carried by the shell (21) and configured to vent, outwardly, gases possibly generated within the shell (21); the safety valve (30) is arranged in proximity to the lower wall (23) of the shell (21) so as to vent the gases into a cavity (14) defined by a lower area of a battery pack (1) where the battery cell (20) is installed.
Resumen de: EP4679519A2
An electrochemical device includes a positive electrode and an electrolytic solution. The positive electrode includes a positive current collector and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a positive active material. The positive active material contains an Mg element. Based on a total weight of the positive active material, a weight of the Mg element is X ppm, and 300 ≤ X ≤ 30000. The electrolytic solution contains carboxylate. Based on a total weight of the electrolytic solution, a weight percent of the carboxylate is Y%, and Y ≤ 60. The electrochemical device satisfies 5 ≤ X/Y ≤ 6000. The electrochemical device can effectively improve the high-temperature cycle performance and low-temperature discharge performance of the electrochemical device by controlling a relationship between the electrolytic solution and the positive active material.
Resumen de: EP4679520A2
An electrochemical device includes a positive electrode and an electrolytic solution. The positive electrode includes a positive current collector and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a positive active material. The positive active material contains an Mg element. Based on a total weight of the positive active material, a weight of the Mg element is X ppm, and 300 ≤ X ≤ 30000. The electrolytic solution contains carboxylate. Based on a total weight of the electrolytic solution, a weight percent of the carboxylate is Y%, and Y ≤ 60. The electrochemical device satisfies 5 ≤ X/Y ≤ 6000. The electrochemical device can effectively improve the high-temperature cycle performance and low-temperature discharge performance of the electrochemical device by controlling a relationship between the electrolytic solution and the positive active material.
Resumen de: EP4679516A1
An electrode for a rechargeable battery may include a substrate, and an active material layer formed on the substrate. The substrate has a plurality of holes, where the holes have depths that become deeper from an edge of the substrate to a center of the substrate.
Resumen de: EP4679583A1
The present application discloses an end cover assembly, an energy storage device and electricity-consumption equipment. The end cover assembly includes an end plate, a pole and a connecting member. The end plate has a first surface and a second surface disposed opposite to each other along a thickness direction thereof. The end plate further has a first pole hole penetrating the end plate. The pole has a first pole section and a second pole section. An outer circumferential surface of the first pole section is connected with the outer circumferential surface of the second pole section through an annular stepped surface. The first pole section is inserted into the first pole hole. The connecting member is located at a side where the annular stepped surface of the pole is located, and has a second pole hole coaxially arranged with the first pole hole.
Resumen de: EP4679568A2
Provided is a battery module that prevents performance degradation due to a swelling phenomenon caused by charging and discharging and increases durability. The battery module includes a cell assembly comprising a plurality of battery cells stacked in a left-right direction; and a module housing configured to accommodate the cell assembly therein. The module housing includes an upper plate covering an upper portion of the cell assembly, a left plate covering a left portion of the cell assembly, a right plate covering a right portion of the cell assembly, and a lower plate covering a lower portion of the cell assembly, and at least one of the left plate and the right plate includes a support portion having a shape protruding toward the cell assembly from an inner surface facing the plurality of battery cells to pressurize at least a part of the cell assembly with a relatively small volume expansion.
Resumen de: EP4679540A1
A battery cell includes an electrode assembly. Along a width direction of a positive electrode plate that is unwound, a first edge of a negative active material layer of a negative electrode plate and a second edge of a positive active material layer of the positive electrode plate are located on the same side of the electrode assembly. A distance between the first edge of one layer of the negative active material layer closest to a winding start end of the positive electrode plate, and the second edge of one layer of the positive active material layer closest to the winding start end of the positive electrode plate, is S<sub>1</sub>, and a distance between the first edge of one layer of the negative active material layer closest to a winding terminating end of the positive electrode plate, and the second edge of one layer of the positive active material layer closest to the winding terminating end of the positive electrode plate, is S<sub>0</sub>, S<sub>1</sub> < S<sub>0</sub>.
Resumen de: EP4679562A1
Wireless battery management systems, battery packs, and apparatuses comprising the battery packs are disclosed. In an embodiment, a wireless battery management system may include a plurality of wireless electrochemical impedance spectroscopy (EIS) modules configured to connect to a respective battery module of a plurality of battery modules included in a battery pack and measure EIS of the respective battery module; and a first wireless battery management module configured to communicatively couple wirelessly with the plurality of wireless EIS modules, receive EIS measurement results wirelessly from the plurality of wireless EIS modules, and manage the plurality of battery modules based on the received EIS measurement results.
Resumen de: EP4679621A1
An electrode assembly includes a first electrode plate, including a first electrode non-coated portion spaced from opposite ends of the first electrode plate in a longitudinal direction and a substrate tab connected to one surface of the first electrode non-coated portion, a second electrode plate, including a second electrode non-coated portion spaced from opposite ends of the second electrode plate in the longitudinal direction and a substrate tab connected to one surface of the second electrode non-coated portion, a separator between the first electrode plate and the second electrode plate and a first insulating tape and a second insulating tape covering a part of the substrate tab of at least one of the first electrode plate and the second electrode plate. The first insulating tape and the second insulating tape have different colors from each other.
Resumen de: EP4679560A1
The present disclosure provides a sodium supplement material, its preparation method, positive eletrode plate, and sodium-ion battery. The sodium supplement material includes a sodium supplement agent body and first particles exposed on the surface of the sodium supplement agent body. In any 300 nm × 200 nm region on the surface of the sodium supplement material, the number of first particles ranges from 2 to 20. The first particles include one or more conductive agent particles and one or more catalyst particles.
Resumen de: EP4679518A1
The present application relates to the technical field of lithium-ion battery, and particularly, to a cathode active material and a preparation method thereof, a positive electrode plate, a battery, and an electrical apparatus. An offset angle of a (104) diffraction peak of the cathode active material is α
Nº publicación: EP4679539A1 14/01/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4679539A1
Disclosed are an electrode current collector including a first metal layer, a polymer resin layer provided on one surface of the first metal layer, and a second metal layer provided on one surface of the polymer resin layer, wherein the area of the polymer resin layer is less than the area of the first metal layer and less than the area of the second metal layer, a method of manufacturing the same, and a secondary battery electrode assembly including the same.
BOPI
Sede Electrónica
