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1139
resultados
Última actualización
08/09/2025 [07:10:00]
Resultados 350 a 375 de 1139
Resumen de: EP4611120A1
The invention relates to an electrical energy storage apparatus (10) for a vehicle. The apparatus (10) comprises a first battery cell (11a); a second battery cell (11b); a cell connector (12), electrically conductively connecting the first and second battery cell (11a, 11b); a wall member (13) arranged at the first and second battery cell (11a, 11b); and a heat transfer device (14), electrically insulating and thermally conductively connecting the cell connector (12) and the wall member (13). The heat transfer device (14) has a first transfer section (14a), connecting a first portion (12a) of the cell connector (12) to the wall member (13), and a second transfer section (14b), connecting a second portion (12b) of the cell connector (12) to the wall member (13). Thereby, the first and second transfer section (14a, 14b) are at least partially separated from each other by a separation region (15), having a reduced thermal conductivity compared to the first and second transfer section (14a, 14b), to reduce a heat transfer between the first and second battery cell (11a, 11b) via the heat transfer device (14).
Resumen de: EP4611110A1
A battery management system, BMS, communication system includes a battery module including a housing and a plurality of battery cells in which a battery cell comprises a voltage sensing tab, a first printed circuit board, PCB, mounted on a side of the housing of the battery module and including a temperature sensor electrically connected to the voltage sensing tab of the battery cell to measure a temperature of the battery cell, and a second PCB stacked on a surface of the first PCB and including a cell sensing module electrically connected to the voltage sensing tab and the temperature sensor to exchange signals therewith, in which an antenna pattern module is mounted on a surface of the second PCB.
Resumen de: EP4610231A1
The present invention relates to a transition metal hydroxide capable of providing a positive electrode active material with excellent capacity characteristics, a method for preparing same, and a method for preparing a positive electrode active material by using same. Provided are a transition metal hydroxide, a method for preparing same, and a method for preparing a positive electrode active material by using same, the transition metal hydroxide comprising polycrystalline particles composed of spherical secondary particles in which acicular primary particles are agglomerated, having a specific surface area measured by the nitrogen adsorption BET method of 23 m<sup>2</sup>/g to 43 m<sup>2</sup>/g, having a particle size distribution curve diffusion index defined by equation 1 of less than 0.7, and being represented by chemical formula 1.
Resumen de: EP4611069A1
The present invention relates to a positive electrode active material having improved resistance and lifetime characteristics, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same, and provides a positive electrode active material represented by Formula 1 and formed of polycrystal grains composed of secondary particles in which primary particles are aggregated, wherein a surface portion porosity A defined by Equation 1 is 1% to 30%, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4610173A1
A hybrid rotor drive system includes: a gas turbine engine including a compressor, a combustor, a turbine, and a first output shaft that mechanically connects the compressor to the turbine; an electric motor including a second output shaft; and a gear box including a first input interface, a second input interface, a speed reducer that reduces speed of rotational force input from the first input interface and the second input interface, and an output interface that outputs the rotational force, which has been reduced in speed by the speed reducer, to a rotor. The first output shaft of the gas turbine engine is mechanically connected to the first input interface, and the second output shaft of the electric motor is mechanically connected to the second input interface.
Resumen de: EP4610679A1
An information processing method includes: acquiring measurement data of a plurality of energy storage devices; executing, based on measurement data of a first energy storage device group selected from the plurality of energy storage devices, a first process for estimating a degradation state of the first energy storage device group; extracting, from among the plurality of energy storage devices, a second energy storage device to be subjected to a second process; and executing, based on measurement data of the extracted second energy storage device, a second process for estimating a degradation state of the second energy storage device.
Resumen de: EP4610047A1
A friction coefficient between a resin layer and a mold layer via a lubrication layer is stably determined with a small amount of calculation. A lubricant selection apparatus includes a lubricant information input unit configured to receive an input of information on a plurality of lubricant candidates; an energy calculation unit configured to calculate an interaction energy between a lubrication layer and a resin layer, the lubrication layer being formed by each of the plurality of lubricant candidates; a friction coefficient estimation unit configured to estimate, in accordance with the interaction energy, a friction coefficient between the resin layer and a mold layer via the lubrication layer; and a lubricant selection unit configured to select a lubricant from the plurality of lubricant candidates in accordance with the friction coefficient.
Resumen de: EP4611116A1
A method for recovering valuable materials from lithium ion secondary batteries is provided. The method includes: a heat-treatment step of performing a heat treatment on a lithium ion secondary battery to obtain a heat-treated product; a first classification step of classifying a crushed product, which is obtained by crushing the heat-treated product, to obtain a coarse-particle product 1 and a small-particle product; a second classification step of classifying a ground product, which is obtained by grinding the small-particle product, at a classification point smaller than a classification point of the first classification step to obtain a coarse-particle product 2 and a fine-particle product; a first magnetic separation step of subjecting the fine-particle product obtained in the second classification step to magnetic separation to obtain a magnetic component 1 and a non-magnetic component 1; a second magnetic separation step of subjecting the non-magnetic component 1 obtained in the first magnetic separation step to magnetic separation to obtain a magnetic component 2 and a non-magnetic component 2; and a recovering step of recovering valuable materials from the magnetic component 1 and the magnetic component 2.
Resumen de: EP4611067A1
The present invention relates to a lithium silicon oxide in which gas generation is suppressed when an aqueous slurry is applied, a negative electrode comprising same, and a lithium secondary battery comprising the negative electrode. In a <sup>29</sup>Si NMR spectrum obtained through <sup>29</sup>Si solid state magic angle spinning (MAS) NMR measuring, the lithium silicon oxide has, within a range of -88 to -99 ppm, a first peak having a width of 0.2 to 2.0 ppm and a second peak having a width of 3 to 10 ppm, wherein the ratio of the integral of the first peak to the integral of the second peak (first peak/second peak) is greater than 0.22 and less than or equal to 0.31.
Resumen de: EP4610078A1
A battery (1) is disclosed, including a battery body (10). The battery body includes a battery cell and a housing (12). The housing (12) defines a recess (13) that penetrates through the housing from one end to another end along a first direction (F1). The battery (1) is disposed at a bottom of a vehicle (1000). A bottom longitudinal beam (200) of the vehicle runs through and fits in the recess (13) along the first direction (F1). The housing (12) is provided with a plurality of first mounting structures (21). The first mounting structures (21) are configured to detachably mount the battery body (10) into the vehicle (1000). At least two of the plurality of first mounting structures (21) are spaced apart along a second direction (F2) and located on two sides outside the recess (13). The first direction (F1) intersects the second direction (F2). This application further discloses a bracket (4) matching the battery, and a vehicle (1000) containing the battery (1) or the bracket (4). The battery and the bracket in use can fully utilize space and increase an energy density. The battery is evenly stressed in the second direction and is stably mounted.
Resumen de: EP4611060A1
A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3-xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0 ≤ x ≤ 0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.
Resumen de: EP4610293A1
According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol%, the proportion of constituent unit (B) is 5-20 mol%, and the proportion of constituent unit (C) is 30-75 mol%.
Resumen de: EP4611051A1
In the present invention, a negative electrode (12) for a secondary battery is characterized by comprising a negative electrode current collector (40) and a negative electrode mixture layer (42) provided on the negative electrode current collector (40), and is characterized in that: the negative electrode mixture layer (42) has a negative electrode active substance and a dicarboxylic acid component that includes a dicarboxylic acid and/or an anhydride thereof; and if the negative electrode mixture layer (42) is divided into two equal parts in the thickness direction to form a lower half region (42a) on the negative electrode current collector (40) side and an upper half region (42b) on the surface side, the content (C<sub>A</sub>) of the dicarboxylic acid component in the lower half region (42a) and the content (C<sub>B</sub>) of the dicarboxylic acid component in the upper half region (42b) satisfy the relationship C<sub>A</sub>>C<sub>B</sub>.
Resumen de: EP4611211A1
Provided is an electrically driven work machine capable of increasing estimation accuracy of a remaining charge time or a remaining discharge time of a secondary battery. An electrically driven excavator includes a secondary battery, a battery management unit, and a vehicle control unit. The vehicle control unit predicts a transition of a temperature of the secondary battery on the basis of the temperature and a state of charge of the secondary battery detected by the battery management unit, predicts a transition of a current of the secondary battery on the basis of the predicted transition of the temperature of the secondary battery, and estimates the remaining charge time or the remaining discharge time of the secondary battery on the basis of the predicted transition of the current of the secondary battery.
Resumen de: EP4611054A1
A negative electrode (12) according to an embodiment of the present invention comprises: a negative electrode core (40); and a negative electrode mixture layer (41) that is positioned on the negative electrode core (40), the negative electrode mixture layer (41) containing a negative electrode active material (50) and a water-soluble polymer (51). The water-soluble polymer (51) is present such that an amount of 0.50 mass% or more relative to the negative electrode active material (50) is adsorbed onto the negative electrode active material (50), and an amount of 1.05 mass% or less is separated from the negative electrode active material (50). The negative electrode active material (50) includes a carbon material and a silicon-containing material.
Resumen de: EP4611090A1
In a non-aqueous electrolyte secondary battery according to an embodiment, a positive electrode includes a lithium-containing transition metal composite oxide and a sulfonic acid compound present on the surface of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). In the formula, A is a Group 1 or Group 2 element, R is a hydrocarbon group, and n is 1 or 2. A negative electrode includes a silicon-containing material (50). The silicon-containing material (50) contains an ion-conducting phase (51) and a Si phase (52) dispersed in the ion-conducting phase (50), and the size of the Si phase (52) is 110 nm or less.
Resumen de: EP4611125A1
Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine Zelle (3). Die mindestens eine Zelle (3) weist ein Zellgehäuse (4) auf. Der Zellträger (2) weist für die mindestens eine Zelle (3) eine Zellaufnahme (11) auf. Der Zellträger (2) ist aus einem Polyurethanschaum hergestellt, der ein Isocyanat und ein Polyol aufweist.Die Erfindung löst die Aufgabe, eine im Zellträger (2) angeordnete Zelle (3), welche thermisch durchgeht, thermisch und mechanisch ausreichend von ihrer Umgebung zu isolieren, sodass die Umgebung keinen Schaden nimmt.Die Aufgabe ist dadurch gelöst, dass der Polyurethanschaum ein Gemisch mit dem Isocyanat und einem ersten Teilgemisch ist, dass das erste Teilgemisch ein Gemisch mit dem Polyol und einem zweiten Teilgemisch ist und dass das zweite Teilgemisch ein Ammoniumsulfat aufweist.
Resumen de: EP4611139A1
A battery module includes a cell assembly including a plurality of battery cells, and a module case accommodating the cell assembly. The module case includes an accommodation portion including a main plate supporting the cell assembly and a sidewall extending from the main plate, a module cover including an upper plate covering the cell assembly, the upper plate having a first surface oriented in a first direction, a sidewall cover extending from the upper plate, the sidewall cover covering a portion of the sidewall, the sidewall cover having a second surface oriented in a second direction opposite to the first direction, and a guide groove formed in the second surface, and a first bonding portion connecting the second surface of the sidewall cover and the sidewall to each other.
Resumen de: EP4611142A1
A battery pack (10) includes a housing (100) and battery modules (30, 300) in the housing. Each of the battery modules includes battery cells, a case (310) accommodating the battery cells, a first fire prevention sheet (360) on the case, and a first spacer (370) on the case and configured to separate the first fire prevention sheet from an upper surface of the case.
Resumen de: EP4611135A1
Disclosed herein are a battery top cover, a process for assembling a battery top cover, and a power battery. The battery top cover comprises a cover assembly, a post and a pressing block. The post passes through the cover assembly and then is engaged with a mounting hole of the pressing block, a welding groove is formed on a surface of the pressing block, the welding groove is communicated with a peripheral side of the mounting hole, the post and the pressing block are fixed by welding, and the pressing block and the post respectively abut against opposite sides of the cover assembly. The present disclosure improves the assembly efficiency of the battery top cover and ensures the connection strength of the battery top cover.
Resumen de: EP4611100A1
The present application relates to the technical field of lithium-ion batteries, in particular to a lithium-ion battery electrolyte solution, a secondary battery, a battery module, a battery pack, and an electrical device. The lithium-ion battery electrolyte solution includes a lithium salt, an organic solvent and an additive. The additive includes a compound represented by Formula I:where R<sub>1</sub> to R<sub>4</sub> are each independently selected from a hydrogen atom, a halogen atom, a nitrate ester group, a nitrite ester group, a substituted or unsubstituted C1 to C12 alkyl, and a substituted or unsubstituted C1 to C12 alkoxy, provided that at least one of R<sub>1</sub> to R<sub>4</sub> is a nitrate ester group. The present application solves the problems of poor solubility of existing additives and low conductivity of a formed solid electrolyte interphase (SEI).
Resumen de: EP4611104A1
This application provides a non-aqueous electrolyte. The non-aqueous electrolyte includes: a first sodium salt, where the first sodium salt includes at least one of sodium hexafluorophosphate, sodium hexafluoroarsenate, sodium perchlorate, and sodium trifluoroacetate; and a second sodium salt, where the second sodium salt includes one, two, or more of a sodium salt having sulfonate, a sodium salt having oxalate, a sodium salt having phosphate, and a sodium salt having borate. The non-aqueous electrolyte provided in this application is applicable to sodium-ion batteries, can improve the room-temperature and high-temperature cycling performance and capacity retention rate after high-temperature storage of the sodium-ion batteries, and can significantly reduce the battery volume swelling rate after high-temperature storage of the sodium-ion batteries.
Resumen de: EP4611111A1
An experimental jig according to an embodiment of the present invention may include a first plate, a second plate that is disposed to be spaced a constant distance from the first plate so that a secondary battery is disposed between the first plate and the second plate, a coupling part that passes through the first plate and the second plate to couple the first plate and the second to each other, and a side plate that is disposed between the first plate and the second plate in a state, in which the coupling part passes through the side plate, to surround a side surface of the secondary battery.
Resumen de: EP4611099A1
This application relates to a lithium-ion battery, including a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%≤W1%≤0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%≤W2≤10%. This application further relates to an electric apparatus including such lithium-ion battery.
Nº publicación: EP4611165A1 03/09/2025
Solicitante:
PANASONIC ENERGY CO LTD [JP]
Panasonic Energy Co., Ltd
Resumen de: EP4611165A1
A battery disclosed includes a case, an electrode group, a sealing unit including a conductive cap, a terminal plate 60 joined to an opening edge of the case, and an insulating plate 70 that electrically insulates the conductive cap from the terminal plate 60. The case and the terminal plate 60 are electrically connected to a first electrode, while the conductive cap is electrically connected to a second electrode. The terminal plate 60 has a first connection region to which a first external terminal 101 is to be connected. The conductive cap has a second connection region to which a second external terminal is to be connected. The terminal plate 60 has a planned breaking part 64 between the first connection region and a joint part 63 thereof joined to the opening edge of the case. The planned breaking part 64 breaks when the internal pressure of the case exceeds a predetermined value, separating the terminal plate in the axial direction of the case into a broken piece 65 on the outer peripheral side and a broken piece 66 on the inner peripheral side. Thus, a battery having a current interruption function can be provided.
BOPI
Sede Electrónica
