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1336
resultados
Última actualización
14/09/2025 [07:14:00]
Resultados 1225 a 1250 de 1336
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: WO2024089266A1
The invention relates to a method and a device for recycling lithium-ion accumulators comprising one or more cells (13), wherein the cells (13) each contain electrode stacks (15) with strip-like electrodes (16, 19), and the strip-like electrodes (16, 19) each comprise an electrically conductive carrier strip (18, 21) coated with an active material (17, 20).
Resumen de: MX2025004876A
The invention relates to a method for recycling alkali metal batteries (12), in particular Li batteries or Na batteries, which have an active material, a carrier foil on which the active material is arranged, binder by means of which the active material is bound to the carrier foil, a liquid electrolyte, conducting salt (38) and a housing that encloses the active material, carrier foil and binder, with the step of comminuting the alkali metal batteries (12) such that the comminuted material, the black matter (30), which contains the active material and the binder, is produced, with the steps of washing the comminuted material with a washing solvent (36) such that conducting salt (38) is washed out and the binder is not washed out such that low- conducting-salt comminuted material and a washing liquid (40) are obtained, regenerating the washing solvent (36) from the washing liquid (40), and in particular by distilling, and washing the comminuted material with at least some of the regenerated washing solvent (36). The invention also relates to a battery preparation system for recycling alkali metal batteries (12), in particular Li batteries or Na batteries.
Resumen de: CN120202392A
A thermal control device has a thermal control device base, a connection block attached to the thermal control device, and a conduit for a heat exchange fluid attached to the connection block. The conduit has a conduit extension axis and a conduit sidewall. The connection block includes a connection block receiving section that receives a portion of the conduit sidewall. The connection block is configured to facilitate heat exchange between the conduit sidewall and the thermal control device.
Resumen de: MX2025004615A
The present invention relates to a separator (1) able to separate two cells (2) of a battery (3), for example a battery of an electric or hybrid-electric vehicle, said separator (1) comprising at least one insulating layer comprising a composite material (4), said composite material (4) comprising a binder mixed with aerogel particles (5), the volume content of said aerogel particles (5) in said composite material (4) being greater than 20% and the binder being a mineral binder. The present invention also relates to a battery comprising a separator according to the invention, and to a method for manufacturing the separator according to the invention.
Resumen de: EP4611064A1
Embodiments of this application relate to a positive electrode active material, a positive electrode plate, a secondary battery, and an electric device. The positive electrode active material includes a first active material and a second active material. The first active material includes a compound having a molecular formula of Li<sub>1+x</sub>Fe<sub>1-y</sub>A<sub>y</sub>P<sub>1-z</sub>Q<sub>z</sub>O<sub>4</sub> and a modified compound thereof. The second active material includes a compound having a molecular formula of Li<sub>h</sub>Ni<sub>j</sub>Co<sub>k</sub>M1<sub>d</sub>M2<sub>e</sub>O<sub>f</sub>R<sub>g</sub> and a modified compound thereof. The embodiments of this application can improve capacity utilization and cycle performance of a secondary battery.
Resumen de: EP4611130A1
This application discloses a battery cell, a battery, and a power-consuming apparatus. The battery cell includes a housing, a first insulating film, and an adhesive layer. The housing includes a first part and a second part, the first part is connected to the second part, and a surface energy of the second part is greater than a surface energy of the first part. The first insulating film covers at least one part of the housing. The adhesive layer is disposed between the second part and the first insulating film and configured to connect the first insulating film to the second part. Technical solutions provided in this application can improve reliability of the battery.
Resumen de: EP4610286A1
The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R<sub>11</sub>, R<sub>12</sub>, and R<sub>13</sub> each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.
Resumen de: EP4611155A1
The present application provides a separator, including: a first porous base membrane and a second porous base membrane; a melting point of the first porous base membrane being higher than a melting point of the second porous base membrane; and in a cross-section in a thickness direction of the separator, an average pore area of the first porous base membrane being greater than an average pore area of the second porous base membrane. The separator can have both the air permeability and mechanical strength, thereby improving the reliability and cycle performance of the separator.
Resumen de: EP4611156A1
The present application provides a composite separator, a secondary battery, and an electrical apparatus. The composite separator comprises a separator substrate and a polymer coating located on one side of the separator substrate, the sodium ionic conductivity of the composite separator being 0.3 mS/cm-1 mS/cm. The polymer coating helps to reduce the contact between metal deposited on current collectors and electrolytes, thereby reducing side reactions between the metal and the electrolytes, and improving the cycle performance and the storage performance of batteries.
Resumen de: EP4610680A1
A battery abnormality diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on changes of the ranks.
Resumen de: EP4611136A1
A tab assembly (100) includes a tab (1) and a tab adhesive (2). Along a thickness direction (X) of the tab (1), the tab (1) includes a first surface (11) and a second surface (12) opposite to each other. Both the first surface (11) and the second surface (12) are provided with the tab adhesive (2). The tab adhesive (2) provided on the first surface (11) and the tab adhesive (2) provided on the second surface (12) jointly wrap the tab (1). Along a length direction (Y) of the tab (1), the tab (1) includes a first end (1a) and a second end (1b) opposite to each other. The tab adhesive (2) includes a first layer (21) and a second layer (22). The first layer (21) and the second layer (22) are stacked along a direction from the first end (1a) to the second end (1b). The first layer (21) includes a first adhesive body (211). The second layer (22) includes at least one layer of a second adhesive body (221). A material of the second adhesive body (221) comprises one or more selected from the group consisting of polyethylene, polypropylene and polyethylene terephthalate. A thickness of the tab (1) is Ti, and a thickness of the second adhesive body (221) is T2, Ti ≥ 80 µm, and T2 ≤ 70 µm.
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: 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: EP4611162A2
The present application provides a jelly roll and a punch cell, and relates to the field of lithium battery technologies. The jelly roll includes a negative electrode plate, along a winding direction, an inner surface of a bending region of the negative electrode plate is covered by a first tape layer, and in a thickness direction of the jelly roll, a projection of two ends of the first tape layer is connected to or partially overlapped with a projection of a winding head of the negative electrode plate. As a result, surface unevenness of the jelly roll is improved, thereby improving a flatness of a battery cell.
Resumen de: EP4609900A2
The invention relates to an aerosol generating system comprising a battery module for an aerosol generating system, the battery module comprising: a battery (1) extending substantially in a longitudinal direction (Z), the battery (1) having a length (L) measured in the longitudinal direction (Z), and a width (W) and a thickness (T) measured orthogonally to the longitudinal direction, wherein the battery (1) comprises along the longitudinal direction (Z) a first portion (P1) of a first thickness (T1), and a second portion (P2) comprising opposite faces (6,7) which define a second thickness (T2) of said second portion, the second thickness (T2) being less than the first thickness (T1), wherein the second portion of the battery is provided with poles (8) configured for connection to a board-to-board connector (4); and a printed circuit board assembly (2) connected to the battery (1).
Resumen de: EP4611058A2
The present invention relates to a current collector having improved adhesive strength, and is a structure comprising a metal foil and a primer coating layer formed on at least one surface of the metal foil, wherein the surface of the primer coating layer is a flat surface that is rolled so as to be evenly flat.
Resumen de: EP4610074A1
A heat exchange system (1) has an inlet branch (5) adapted to receive a heat exchange liquid, supplied by a first pump (8) and cooled by a chiller (9), and an outlet branch (6) which circulates the heat exchange liquid to the chiller (9); the system has a cooling line (26), which extends from the inlet branch (5) to the outlet branch (6) along a battery (2) of a vehicle (3) for cooling this battery (2), and a branch line (30), which extends along a thermal reservoir (34) containing a material with characteristics such as to store heat/cold and is configured in such a way as to exchange heat between said material and the heat exchange liquid; the system also has at least one valve (25,) which is configured and controllable to achieve a first operating condition, in which the liquid flows exclusively in the cooling line (26), and a second operating condition, in which the liquid flows in the branch line (30) and, in series, in the cooling line (26).
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>).
Nº publicación: EP4611134A1 03/09/2025
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd
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.
BOPI
Sede Electrónica
