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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 1150 a 1175 de 1242
Resumen de: EP4712180A1
Disclosed is an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly has a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound. An outermost coated portion is the coated portion of the first electrode. A winding end of the separator extends further from the winding end of the coated portion of the first electrode. A fixing member is attached to the winding end of the separator along the axial direction from a point spaced apart from the axial end of the separator. When the winding end corner of the separator is folded as much as possible with the axial end of the fixing member acting as a folding bias point so that its outer surface faces the outer circumference, the winding end corner of the coated portion of the first electrode is not exposed to the outside.
Resumen de: EP4712194A1
A manufacturing method and apparatus for an all-solid-state battery are disclosed, which allow for isostatic pressing without causing cell distortion, thereby preventing cracks in the electrode and electrolyte layers. The manufacturing method for the aforementioned all-solid-state battery includes the steps of: (a) arranging a lower jig with an opening formed in its center portion; (b) accommodating the cup part of a pouch cell downward into the opening of the aforementioned lower jig, and placing the sealing part located on the outer periphery of the aforementioned cup part on the upper surface of the aforementioned lower jig, thereby fixing the aforementioned pouch cell; (c) fixing an upper jig with an opening formed in its center portion on top of the aforementioned lower jig so that the openings overlap and the sealing part of the pouch cell is compressed; and (d) isostatically pressing the aforementioned pouch cell while the pouch cell is seated in the upper jig and lower jig.
Resumen de: EP4712179A1
A manufacturing method of a battery module including a step of attaching an adhesive to a battery cell includes a tape supply step in which a laminated tape having a release paper placed on one side and a sheet-like adhesive placed on the other side is continuously supplied to pass through a roller, and is supplied so that the release paper contacts the roller; an adhesive step in which a gripper gripping the battery cell glides over the roller so that the adhesive comes into contact with one surface of the battery cell, and thus the adhesive is separated from the release paper and adhered to the battery cell; and a cutting step in which the adhesive is cut by the ascent of the gripper, wherein the adhesive has a concave portion with a concave shape formed on the contact surface with the release paper so that the thickness is reduced compared to other places.
Resumen de: EP4712255A1
The present invention provides a structure of a battery module comprising: a battery cell; a housing accommodating the battery cell; a cover constituting one side of the housing and provided with a first hole connecting inside and outside of the housing; an insulation sheet provided between the battery cell and the cover and having a second hole disposed at a position corresponding to the first hole; and a hole insulator covering at least a portion of an inner circumferential surface of the first hole.
Resumen de: EP4712205A1
The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.
Resumen de: EP4712250A1
Example embodiments provide a secondary battery manufacturing method. The secondary battery manufacturing method includes collapsing an embossed structure of an electrode tab and welding a battery case to a collapsed part of the embossed structure.
Resumen de: EP4712170A1
Provided are a negative electrode material and a preparation method therefor, a negative electrode plate and a preparation method therefor, an energy storage device, and an electricity-consumption device. The negative electrode material includes hard carbon. The hard carbon has a porous structure and satisfies: 0.32≤Dv50/1000V≤2.40. Dv50 of the hard carbon is in unit of µm; and V represents a total volume of pores in the hard carbon, in unit of cm<3>/g.
Resumen de: EP4712198A1
A lead-acid battery 1 includes: a battery case 10; electrode plates 30A and 30B housed in the battery case 10; an electrolyte solution U housed in the battery case 10; and a vent plug 70 attached to the battery case 10, in which the vent plug 70 includes a tubular plug body 71, a splash guard 90 positioned inside the plug body, and a plurality of catalytic devices 100A, 100B, that promote reaction generating water from gas produced by charge-discharge reaction. Each of the plurality of catalytic devices 100A, 100B include a tubular case 110 with an open front surface, a catalyst layer 120 housed in the case 110, and a permeable membrane 130 covering a front surface of the catalyst layer and allowing gas to pass through. Each of the plurality of catalytic devices 100A, 100B are arranged vertically or inclined with respect to the plug body 71 so that a front surface provided with the permeable membrane 130 has an angle with respect to a horizontal direction. In an up-down direction, either all or at least a part of the plurality of catalytic devices 100A, 100B is arranged at the same height.
Resumen de: CN121127973A
The invention relates to a method for producing an electrode mixture consisting of a plurality of substances, i.e. An active material in a mass ratio w1, optionally an additive in a mass ratio w2 and a binder in a mass ratio w3, where w1 and w3 are both gt; 0%, w2 > = 0%, and w1, w2 and w3 are lt, respectively; the percentage is 100%; the method comprises the following steps: 1) filling a container with an active material and a first percentage pa1 of an additive and/or a first percentage pb1 of a binder, in which, but or, A) a first mechanical power P1 is introduced into the substance contained in the container by means of a shear force or impact force, and a second mechanical power P2 is introduced into the substance contained in the container by means of a second shear force or impact force; 2) filling the container with a second percentage pa2 of an additive and/or a further percentage pb2 of a binder, and wherein, B) during a second time interval T2, by means of a shear or impact force, a second mechanical power P2 is introduced into the substance contained in the container to produce a second mixture, where P2gt; the method is characterized in that the method comprises the following steps: (1) adding a binder and optional additives to the container, (2) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (4) adding the binder
Resumen de: CN121152578A
An aerosol-generating device (100) for releasably holding a battery cell (110) comprises: an identification module (112) configured to obtain identification information of the battery cell when the battery cell is releasably held in the device; and a controller (108) configured to control a function of the aerosol-generating device based on the received identification information, where the identification module operates using a wireless communication protocol. The battery cell may be provided with an RFID tag or NFC tag (118).
Resumen de: EP4712297A1
An energy storage battery and a control method thereof. The energy storage battery includes battery groups connected in parallel, and each battery group includes batteries connected in series. Each battery includes a charge and discharge circuit, including a storage battery, a first switch, and a second switch, and the first switch and the second switch are used to control conduction of a connection line between two batteries. The batteries are connected in series to form the battery groups, and the battery groups are connected in parallel to form the energy storage battery, such that when the energy storage battery operates, each battery independently controls the on-off of its first switch and second switch to control the conduction of connection lines between the battery and other batteries, thereby allowing each battery of the energy storage battery to be freely extended. When a certain battery has a fault, it is merely required to control the battery group including the battery and to disconnect and repair the faulty battery, thus improving the overall operation efficiency of the energy storage battery.
Resumen de: EP4711782A1
A battery management apparatus according to an embodiment disclosed herein includes a sensor configured to obtain a voltage of a battery unit and a controller configured to generate a differential profile for a first differential value that is variance of the voltage with respect to a variance of a state of charge (SOC) of the battery unit, based on the SOC and the voltage of the battery unit, detect an SOC corresponding to each of second differential values included in a threshold range among second differential values obtained by differentiating the differential profile, detect, from the differential profile, peak values of the differential profile among first differential values corresponding to the detected SOC, and determine a state of the battery unit based on the peak values of the differential profile.
Resumen de: EP4712171A1
An electrode current collector according to the present invention comprises a resin layer; a first metal layer disposed on one side of the resin layer; and a second metal layer disposed on the other side of the resin layer, wherein each of the first metal layer and the second metal layer independently has a thickness of 3.0 µm or less, and a ratio (T<sub>R</sub>/T<sub>M</sub>) of a thickness (T<sub>R</sub>) of the resin layer to a thickness (T<sub>M</sub>) of the first metal layer or the second metal layer is 1 to 24, and the electrode current collector has advantages in greatly contributing to improving the safety of the battery, reducing electrical resistance even with a structure in which a resin layer is interposed between metal layers, and improving weldability.
Resumen de: EP4712237A1
Provided are a power tool and a battery pack. The battery pack includes: a housing; a power tool interface configured to be connected to the power tool, where the power tool interface includes a terminal assembly; and a cell module accommodated in the housing and electrically connected to the terminal assembly, where the cell module includes at least multiple cell units. The continuous discharge power of the cell unit is greater than or equal to 300 W.
Resumen de: EP4712208A1
The present invention relates to recycling of used batteries, and more specifically, to a method for recovering main materials in used batteries through chemical discharge.
Resumen de: EP4712154A1
Disclosed are an electrode with improved sliding portions, a method for manufacturing the same and a secondary battery including the same, the electrode including a current collector; and an active material layer located on at least one surface of the current collector, wherein the current collector has at least one first surface portion in contact with the active material layer, and a second surface portion located at two sides of the first surface portion, wherein the active material layer is not located at the second surface portion, and wherein a contact angle of water droplet on the first surface portion is smaller than a contact angle of water droplet on the second surface portion,.
Resumen de: CN121241465A
The present disclosure provides a system for mitigating and limiting the effects of fluid released from a battery component. The system includes a base having a plurality of outlets, the base coupled with a battery module housing configured to receive a battery module, with the plurality of outlets arranged in a configuration across the base. The system also includes one or more nozzles configured to receive an inhibitor and provide the inhibitor to the base, where in response to an out-of-control event at the battery module, the base is configured to interact with an exhaust fluid from the battery module to cool the exhaust fluid.
Resumen de: EP4712713A1
Provided is an integrally molded body that has a blocking layer for cutting off radio waves and magnetic waves. This integrally molded body comprises a fiber-reinforced resin layer containing reinforcing fibers and a first matrix resin, and a blocking layer, wherein the blocking layer contains an aggregate of metal strips and a second matrix resin, and blocks at least one of an electric field or a magnetic field, the metal strips being dispersed in the surface of the blocking layer to form the aggregate.
Resumen de: EP4712166A1
A low-oxygen-vacancy and high-performance lithium manganate positive electrode material. The oxygen vacancy amount thereof is in the range of 10-10,000 ppm after the lithium manganate positive electrode material is characterized by means of an electron paramagnetic resonance spectrum. A preparation method for the positive electrode material comprises the following steps: mixing an Li source compound, an Mn source compound and a compound containing a fluxing agent element, and performing primary calcination in an air atmosphere; and mixing the primary calcination product with a monovalent metal ion compound, performing secondary calcination in an air atmosphere at a temperature lower than that of the primary calcination, and cooling and crushing same to obtain the product. The oxygen vacancy amount of the obtained high-performance lithium manganate positive electrode material is reduced to 1080 ppm, and the Mn dissolution amount is reduced to 23 ppm, such that the high-temperature cycle performance and storage performance are greatly improved, and the product can be well used in the power terminal field of passenger vehicles, electric bicycles, electric tools, etc.
Resumen de: CN121079603A
The invention relates to a method and a measuring device for diagnosing a component to be examined, comprising the following steps: operating the component (10) to be examined in a circuit (11) at a predefined operating point for a predefined first measurement interval (12); during the first measurement interval, a measurement signal and an excitation signal (13) are detected in the circuit as a function of time, the excitation signal being a signal of a passive component (14) in the circuit, which passive component is in a predetermined first excitation state (15) at the beginning of the first measurement interval, and the passive component is in a predetermined second excitation state (15) at the beginning of the first measurement interval. And the measurement signal is formed by superposing an excitation signal of the passive device and a working signal of the component to be inspected.
Resumen de: WO2024231100A1
The invention relates to a distress beacon (2) comprising an electric cell assembly (10) comprising two protected electric cells (100) connected in series, each comprising an electric cell (110) having two terminals, a positive and negative electric line (111, 112) respectively connected to the terminals of the electric cell (110), a diode (120) arranged in parallel to the electric cell (110) with its anode connected to the negative electric line (112) and its cathode connected to the positive electric line (111), and an electric fuse (130) arranged in series to the electric cell (110), the electric cells (110) being configured to deliver a nominal current when discharging, the electric fuse (130) having a breaking capacity corresponding substantially to the nominal current, so that, when discharged, the electric cells (110) are each protected from a polarity reversal caused by a forced current driven through it by the other protected electric cell.
Resumen de: CN121079221A
A solution for charging an electrical energy store, such as a traction battery in an electric vehicle, is disclosed. To this end, it is proposed that an AC voltage having a predetermined amplitude and frequency is superimposed on a DC voltage provided for charging the electrical energy store. In this case, the AC voltage can be adapted with respect to the impedance of the electrical energy store according to the characteristics of the electrical energy store to be charged.
Resumen de: EP4712160A1
A positive electrode plate, a preparation method thereof, a secondary battery, and an electric apparatus are provided. The positive electrode plate includes a current collector and a positive electrode film layer disposed on at least one side of the current collector, where the positive electrode film layer includes a positive electrode active material, and the positive electrode active material includes a substrate and a carbon coating layer disposed on a surface of the substrate. The substrate has a general formula LizFexMn(1-x-y)MyPO4, where 1≤z≤1.1; 0.5≤x≤1; 0≤y≤0.1; and M is at least one selected from Ti, V, and Mg. At least a portion of the positive electrode active material includes primary particles, and a particle size distribution of primary particles having a primary particle size greater than 80 nm and less than or equal to 180 nm in the positive electrode active material is less than or equal to 10%; and there are no more than 15 primary particles having a primary particle size greater than 1500 nm in a region of (250±5) µm<2> in a cross section obtained by cutting an electrode plate prepared from the positive electrode active material. The primary particle size distribution concentration of the positive electrode active material in the positive electrode plate provided by this application is significantly improved, improving the cycling performance of batteries.
Resumen de: WO2024233691A1
In one aspect, a roll-to-roll vacuum coating system is provided. The roll- to-roll vacuum coating system includes a substrate, a first evaporation assembly, and a kiss roller assembly. The kiss roller assembly includes a kiss roller with a thermal conductivity of less than or equal to 30W/m-K, a second evaporation assembly, and at least one retractable roller.
Nº publicación: EP4710381A1 18/03/2026
Solicitante:
SAINT GOBAIN CERAMICS [US]
Saint-Gobain Ceramics & Plastics Inc
Resumen de: MX2025012873A
A solid electrolyte material may include a first solid electrolyte material overlying at least a portion of a second solid electrolyte material. The first solid electrolyte material may include M<sub>a</sub>Me<sub>f</sub>O<sub>b</sub>X<sub>c</sub>, wherein M comprises an alkali metal, X comprises a halogen, 0⿤f⿤1, (a/b)>3, c=a+(kÿf)-2b, k is a valence of Me, and Me comprises a metal different from M. The second solid electrolyte material may include a halide.
BOPI
Sede Electrónica
