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493
resultados
Última actualización
10/09/2025 [07:07:00]
Resultados 450 a 475 de 493
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: EP4609932A1
Methods of refining metals and methods of manufacturing positive electrode active materials are disclosed. The methods of refining metals comprise preparing an acid solution that includes an impurity and metal, adding a filtration aid to the acid solution to make a precipitation reaction solution, and filtering the precipitation reaction solution to separate a liquid including the metal and a solid including the impurity and the filtration aid. The filtration aid includes one or more of silicon dioxide (SiO<sub>2</sub>), aluminium oxide (Al<sub>2</sub>O<sub>3</sub>), calcium hydroxide (Ca(OH)<sub>2</sub>).
Resumen de: EP4611134A1
The present disclosure relates to a battery cell including a case including an opening formed in one surface and an opposing surface facing the opening, and accommodating an electrode assembly through the opening, a cap plate coupled to the case to close the opening, and a vent portion having a shape of a groove on the opposing surface, wherein a ten-point average roughness of a surface of the vent portion is greater than a ten-point average roughness of an area adjacent to the vent portion.
Resumen de: EP4611114A1
The present disclosure relates to a battery core, a battery pack, and an electric device. The battery core includes a cover plate assembly, a housing, a pole core, a spacer, and a monitoring module. The pole core is fixed in an inner cavity formed by enclosing the cover plate assembly and the housing. The spacer is fixed to a side of the pole core facing the cover plate assembly. The pole core is provided with a tab. The tab passes through the spacer and is fixed to the cover plate assembly. The monitoring module is fixed to the cover plate assembly or the spacer. The monitoring module is electrically connected to the tab to supply power to the monitoring module. In the present disclosure, the monitoring module of the battery core is integrated on the cover plate assembly or the spacer, which improves connection strength between the monitoring module and the battery core, so that the monitoring module has higher reliability. In addition, a power supply line of the monitoring module may be arranged along the cover plate assembly or the spacer, to reduce an impact of an environment on the monitoring module, so that the monitoring module has a better monitoring effect. In addition, a battery core assembly step is simplified, and assembly efficiency of the battery core is improved.
Resumen de: EP4611113A1
A battery case, connector, and method of forming are provided. The battery case includes, an outer wall (110), a plurality of first wires internal to the battery enclosure, and a battery connector. The battery connector includes an external connector, a circuit board (150) connected to the external connector (140) on a first side through a hole in the outer wall (110) and connected to the plurality of first wires on a second side opposite the first side, where the circuit board (150) is further bonded to an internal side of the outer wall (110) on a portion of the first side, and a plate (160) bonded to the second side of the circuit board (150) opposite the first side, where the plate (160) completely covers a footprint of the hole in the outer wall (110) through which the external connector (140) attaches to the circuit board, but does not cover connection points for the plurality of first wires.
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: EP4611088A1
Disclosed is an electrode assembly for secondary batteries, the electrode assembly including a first electrode plate having side A and side B on which a non-coated portion is formed at each of a first leading edge and a first trailing edge of both side-A and side-B and a positive electrode tab, a second electrode plate having side A and side B on which a non-coated portion is formed at each of a first leading edge and a first trailing edge of both side-A and side-B and a negative electrode tab, a separator interposed between the first electrode plate and the second electrode plate, a tab cover tape attached to each of the positive electrode tab and the negative electrode tab, a first insulating tape attached to the non-coated portion, and a second insulating tape attached to the non-coated portion.
Resumen de: EP4610289A1
The present invention relates to a composition for preparing shaped body with improved resistance to compositions comprising lithium salts, the composition comprising an elastomer comprising polyurethane units and ethylenically unsaturated units, wherein the elastomer is obtained or obtainable by reacting a composition (PC) comprising at least one polyol (P1) and at least one compound (E1) which comprises at least one ethylenically unsaturated group and an isocyanate component (IC) comprising at least one polyisocyanate. The present invention also relates to a shaped body with improved resistance to compositions comprising lithium salts, the shaped body comprising said composition, a process for preparing a shaped body and also the use of the composition according to the present invention for the preparation of a shaped body, wherein the shaped body is an electronic device or part thereof or a component in a battery.
Resumen de: EP4611150A1
The present disclosure refers to a battery system (100), including a battery housing (10); a plurality of battery cells (12) accommodated within the battery housing (10); at least two electronic venting valves (20) arranged at the battery housing (10), the electronic venting valves (20) being adapted to be adjusted between an open position and a closed position via an electronic actuator (21), and a control unit (30) adapted to control the electronic venting valves (20) to open simultaneously in case of a thermal runaway
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: EP4611105A1
An object of the present disclosure is to provide a nonaqueous electrolytic solution and a clay-type lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.
Resumen de: EP4611091A1
An object of the present disclosure is to provide a nonaqueous electrolytic solution and a lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.
Resumen de: EP4610409A1
Provided is a Ni-plated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on at least one surface of the steel sheet, wherein as determined by EBSD measurement performed on the topmost surface of the Ni-plated steel sheet, the average crystal grain size is 0.32 µm or more, and the proportion of the region which can be indexed as Fe is 0.0% or more and 6.0% or less.
Resumen de: EP4610408A1
Provided is a surface-treated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on the topmost surface of at least one surface of the steel sheet, wherein when a maximum diffraction intensity IA at a diffraction angle 2θ of 43.00° or more and 44.30° or less and a maximum diffraction intensity IB at a diffraction angle 2θ of 44.51° or more and 45.00° or less are obtained by thin film X-ray diffractometry performed on the surface of the Fe-Ni diffusion layer, the ratio IB/IA is 0.01 ≤ IB/IA ≤ 0.37.
Resumen de: EP4611070A1
A coated positive electrode active material for a lithium secondary battery includes a positive electrode active material and a coating layer disposed on the surface of the positive electrode active material. The positive electrode active material contains cobalt (Co). The coating layer contains at least lithium (Li), phosphorus (P), an element M, and oxygen (O). The element M is a pentavalent transition metal element.
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: 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.
Nº publicación: EP4611054A1 03/09/2025
Solicitante:
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
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.
BOPI
Sede Electrónica
