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1397
resultados
Última actualización
15/12/2025 [07:10:00]
Resultados 1350 a 1375 de 1397
Resumen de: EP4657475A1
Methods and processes for fabricating three dimensional nano layered composite metal-graphene on insulator are presented in this innovation disclosure. Particularly, the invention relates to preparation of alternating metal-graphene-insulator nano layers and their composites are presented, and their applications in novel graphene devices. In this invention, a full bottom-up process is presented as a universal approach for high-efficiency and versatile novel electronic devices.
Resumen de: EP4657548A1
A negative electrode active material includes a core containing a first amorphous carbon and a shell on the core. The shell includes a first shell on the core, with the first shell including a crystalline carbon. The shell also includes a second shell on the first shell, with the second shell including a second amorphous carbon. A ratio of a D/G value of the core to a D/G value of the shell including the first shell and the second shell is about 1.4 to about 15.
Resumen de: EP4657565A2
The present disclosure relates to the technical field of coatings, and specifically discloses a coating, a battery, and an electricity-consumption device. A total heat release of the coating in a first temperature range and a second temperature range ranges from 30 J/mg to 60 J/mg. The first temperature range is from 120°C to 220°C. The second temperature range is from 220°C to 270°C.
Resumen de: EP4657591A1
Disclosed are an electrolyte solution for a rechargeable lithium battery. The electrolyte solution for the rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, a first compound and a second compound.
Resumen de: EP4657585A1
The present application belongs to the field of batteries and discloses a high-voltage lithium-ion battery including a positive electrode, a negative electrode, and an electrolyte. In the present application, a complex containing carboxylate of a branched structure is used as the electrolyte solvent, which greatly meets the requirements of the high-voltage battery system, and improves the high-temperature resistance and high-voltage resistance stabilities of the battery, and improves the low-temperature cycling performance of the battery.
Resumen de: EP4657047A1
Disclosed is a data processing apparatus for providing battery inspection information according to embodiments of the present invention, which includes at least one processor; and a memory configured to store at least one instruction executed by the at least one processor.Here, the at least one instruction may include an instruction to collect battery inspection information from a plurality of battery inspection devices; an instruction to generate integrated inspection information for the plurality of battery by collating battery inspection information collected from the plurality of battery inspection devices; and an instruction to output the integrated inspection information through a predefined graphical user interface (GUI).
Resumen de: EP4657776A1
The present disclosure relates to a diagnostic method for radio communication quality and a battery management system providing the same. The battery management system according to an exemplary embodiment of the present disclosure may include a communication unit that receives a radio signal including battery information; an RSSI measurement unit that measures a received signal strength indicator (RSSI) of the radio signal; a preprocessing unit that calculates an average for the RSSI for each measurement cycle and calculates a moving average for each measurement cycle based on averages for a predetermined number of measurement cycles for each measurement cycle to derive a compensated RSSI; and a quality diagnosis unit that diagnoses radio communication quality based on the compensated RSSI.
Resumen de: EP4657649A1
A liquid injection device, a battery (100) production line, and a liquid injection method belong to the technical field of battery (100) manufacturing. The liquid injection device comprises a liquid injection apparatus (1), and the liquid injection apparatus (1) comprises: a battery clamp (11), the battery clamp (11) being provided with at least one battery (100) accommodating groove, and the battery (100) accommodating groove having a set position therein; a position adjustment mechanism (12), the position adjustment mechanism (12) being configured to be capable of adjusting a battery (100) that has been put in the battery (100) accommodating groove and not located at the set position to the set position; and a liquid injection mechanism (13), the liquid injection mechanism (13) being configured to be capable of butting to a liquid injection port of the battery (100) located at the set position, and performing a liquid injection operation of injecting an electrolyte into the battery (100). For a battery (100) that is not located at the set position, position adjustment is performed with the position adjustment mechanism (12) such that the battery (100) moves to the set position. Since the position of the battery (100) is corrected, the liquid injection mechanism (13) can be accurately butted to the liquid injection port of the battery (100). Therefore, the liquid injection device, the battery (100) production line, and the liquid injection method enable improvement in the ac
Resumen de: EP4657545A1
The present invention relates to a negative electrode for a lithium secondary battery, and a manufacturing method therefor. The negative electrode for a lithium secondary battery comprises transition metal particles including iron and/or nickel in a carbon-based negative electrode active material, wherein the concentration ratio of iron to nickel is controlled to satisfy a predetermined range. Therefore, the negative electrode has excellent lifespan characteristics in high-temperature conditions and low electrical resistance in high-rate conditions. In addition, a lithium secondary battery comprising same can have excellent high-temperature lifespan characteristics and high-rate charge/discharge performance.
Resumen de: EP4657090A1
A battery management system according to the present disclosure includes: memory; and a controller configured to execute a parameter acquisition procedure to determine respective latest values of a first parameter, a second parameter, and a third parameter associated with a current state of a battery. The controller is further configured to: call a parameter map from the memory, the parameter map recording a correspondence relationship of the third parameter relative to the first and second parameters; and execute a map update procedure to update the parameter map based on the respective latest values of the first, second, and third parameters.
Resumen de: EP4657041A1
Disclosed are a jig for manufacturing specimen that checks the shear force of a thermally conductive resin injected between a battery cell stack accommodated in a battery pack and a top plate added so as to cover an upper part of the battery cell stack, the jig including a jig body including an upper end portion disposed so as to be perpendicular to a longitudinal direction of a test piece and a first lower end portion and a second lower end portion extending downward from both ends of the upper end portion, respectively, wherein the first lower end portion and the second lower end portion are spaced apart from each other such that the distance therebetween is greater than the width of the test piece, and a specimen manufacturing method using the same.
Resumen de: EP4657098A1
Disclosed are a method for diagnosing, by a server, an active area of a battery cell including a mixed negative electrode in which a first component and a second component are mixed, and the server. This method comprises the steps of: acquiring impedance information of a target battery cell to be diagnosed, by performing electrochemical impedance spectroscopy on the battery cell; acquiring, on the basis of the impedance information, information about a change in impedance according to a frequency; and diagnosing an active area of the target battery cell on the basis of the information about the change in impedance.
Resumen de: EP4656786A1
The present invention provides a non-woven fabric, a separator, and a battery. The non-woven fabric includes a structural fiber, and the structural fiber includes a circular cross-section fiber and a profiled fiber; and a cross section of at least part of the profiled fibers has a perimeter coefficient being XL, with 1
Resumen de: EP4657633A1
A battery and an electrical apparatus are provided, which belong to the field of battery technologies. The battery includes: a box body having a cavity; a plurality of battery cell groups accommodated in the cavity, the battery cell group each including a plurality of arranged battery cells; a plurality of support plates, the support plates being mounted in the cavity, the plurality of support plates being spaced apart from each other, and the support plates being metal plates, where the battery cell groups are mounted on the support plates such that the support plates support the plurality of battery cells, and the support plates each support at least one of the battery cell groups; and connection plates, the connection plates being disposed between a side of the support plates facing away from the battery cell groups and the box body, and the connection plates being insulating members and being respectively connected to the support plates and the box body.
Resumen de: EP4657632A1
The present application provides a battery and an electrical apparatus and relates to the technical field of batteries. The battery includes: a box having a cavity; a battery cell group accommodated in the cavity, the battery cell group including a plurality of arranged battery cells; a support plate mounted in the cavity, the battery cell group being mounted on the support plate so that the support plate supports the plurality of battery cells, and the support plate is insulated from the box.
Resumen de: EP4657539A1
The present invention relates to the field of lithium batteries, in particular to a lithium-ion battery positive electrode and a lithium-ion battery. The positive electrode comprises a positive electrode current collector and a positive electrode material on the positive electrode current collector, the positive electrode material comprising a positive electrode active material, the positive electrode active material at least comprising a polycrystalline ternary material and a monocrystalline ternary material, wherein the mass percentage content of nickel element in the polycrystalline ternary material is a, and the mass percentage content of nickel element in the monocrystalline ternary material is b; the median particle size D50 of the polycrystalline ternary material is c µm, and the median particle size D50 of the monocrystalline ternary material is d µm; the mass percentage proportion of the polycrystalline ternary material in the positive electrode active material is e, and the mass percentage proportion of the monocrystalline ternary material in the positive electrode active material is i; the area density of the positive electrode is f mg/cm<2>; the porosity of the positive electrode is h; and a parameter j = c/d + 3e + b/a, characterized in that 80% ≤ e + i ≤ 100%, j/f ≤ 2 and j/h ≥ 20. The lithium-ion battery with the abovementioned positive electrode has better C-rate performance and safety/stability.
Resumen de: EP4657618A1
Batterie (1) mit mindestens einem Batterieelement, das in einem Gehäuse (2) aufgenommen ist, wobei das Gehäuse (2) ein Grundgehäuse (2a) aus Aluminium, eine mit dem Grundgehäuse (2a) verbundene Verstärkungsschicht (2c) aus einem Material, das einen Schmelzpunkt von mindestens 900°C aufweist, und eine mit dem Grundgehäuse (2a) verbundene Isolationsschicht (2b) aus einem elektrisch isolierenden Material umfasst.
Resumen de: EP4656599A1
According to the present disclosure, there is provided a cathode active material for a secondary battery, which includes lithium transition metal oxide particles containing nickel in a content of 80 mol% or more, based on a total number of moles of elements excluding lithium and oxygen, and cobalt. An average content of cobalt in a surface portion of the particle, based on the total number of moles of elements excluding lithium and oxygen is higher than an average content of cobalt in a central portion of the particle, based on the total number of moles of elements excluding lithium and oxygen. The lithium transition metal oxide particle satisfies Equation 1-1 below. 0.2
Resumen de: EP4657629A1
A battery module according to an embodiment includes: a battery cell assembly comprising a plurality of battery cells; a module frame that accommodates the battery cell assembly, and includes a bottom portion; and a phase change material layer in a lower portion of the battery cell assembly, wherein the phase change material layer is configured to melt and erase in a portion corresponding to a battery cell in which a high temperature phenomenon occurs among the plurality of battery cells, and the bottom portion of the battery cell is configured to open where the phase change material layer is erased, causing the battery cell in which the high temperature phenomenon occurs to be discharged to outside of the module frame.
Resumen de: EP4658001A1
A flexible circuit board (10), an electric connection module and its installation method, and a power battery pack (1000) are provided. The flexible circuit board (10) includes a first sampling portion (12), a second sampling portion (13) and a main body (11). The main body (11) is connected to the first sampling portion (12) and the second sampling portion (13). At least one of the first sampling portion (12) and the second sampling portion (13) is provided with a sampling point. The main body (11) is provided with a sampling signal output terminal (101). In a use state, at least a portion of the main body (11) is stacked with the first sampling portion (12) and the second sampling portion (13).
Resumen de: MX2025013497A
The invention relates to a method for producing electrode mixtures from various substances, specifically from active material with a mass fraction wi, optionally additives with a mass fraction w<sub>2</sub> and binders with a mass fraction w<sub>3</sub>, where w<sub>1</sub> and w<sub>3</sub> are each > 0%, w<sub>2</sub> is ⿥ 0% and w<sub>1</sub>, w<sub>2</sub> and w<sub>3</sub> are each < 100 %, said method having the following steps: 1) filling the active material and a first percentage fraction pai of the additives and/or a first percentage fraction pbi of the binders into a container, where 0% ⿤ <i>P</i> <sub> </sub> <sub> </sub> <sub> <i>a1</i> </sub> <sub> </sub> <sub> </sub> ⿤ 100% and 0% ⿤ <i>P</i> <sub> </sub> <sub> </sub> <sub> <i>b1</i> </sub> <sub> </sub> <sub> </sub> ⿤ 100%, however where either 0% < <i>P</i> <sub> </sub> <sub> </sub> <sub> <i>a1</i> </sub> <sub> </sub> <sub> </sub> or 0% < <i>P</i> <sub> </sub> <sub> </sub> <sub> <i>b1</i> </sub> <sub> </sub> <sub> </sub>, A) introducing a first mechani
Resumen de: MX2025010639A
A process for the at least partial conversion of a bisfluorsulfonimide (HFSI) to a metal bisfluorsulfonimide (MHFSI), comprising: feeding a composition comprising a metai bicarbonate, a solvent and a composition comprising bisfluorsulfonimide into a reactor to form an admixture thereof; and allowing the metal bicarbonate and bisfluorsulfonimide to react together.
Resumen de: MX2025013378A
The present invention relates to a separator substrate, a separator, an electrode assembly, and an electrochemical device. The separator substrate according to one embodiment of the present invention is characterized in that the two surfaces have different surface characteristics. Accordingly, the adhesive strength of the two surfaces of a separator using the separator substrate are different, and the deviation in electrode adhesiveness with a positive electrode and a negative electrode that differ in adhesive strength is remarkably improved.
Resumen de: MX2025013675A
A method for recovery of valuable metals according to the present invention comprises the steps of: (S1) leaching a sulfate solution from a waste battery material; (S2) adding a phosphorus-based compound to the sulfate solution to precipitate aluminum phosphate; and (S3) solid-liquid separating the aluminum phosphate from the sulfate solution, wherein the concentration of metal sulfate contained in the sulfate solution is 90 g/L or more.
Nº publicación: MX2025013822A 01/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: MX2025013822A
Disclosed is a container module. The container module according to an embodiment of the present invention may include: a case that provides an inner space; a battery pack that is accommodated inside the case; a pipe that is located inside the case and has a flow path; and a drain case that is located below the pipe and provides an inner space.
BOPI
Sede Electrónica
