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1802
resultados
Última actualización
14/10/2025 [07:10:00]
Resultados 1575 a 1600 de 1802
Resumen de: EP4625650A1
Battery pack for an electrically powered road vehicle; wherein the battery pack comprises: a plurality of planar electrochemical cells arranged in a pack along an axis A; a box-shaped support structure housing the cells; wherein each cell comprises two flat faces orthogonal to the axis A and a thickness s1 along the axis A progressively increasing during the life of the battery pack; wherein between each pair of adjacent cells there is a planar intermediate body in contact with the flat faces of the cells; wherein each planar intermediate body is configured to compress during the progressive increase in thickness s1 of the cells; wherein each planar intermediate body comprises a flat face orthogonal to the axis A contacting the flat face of a first cell of the pair of cells; wherein at least one of the planar intermediate bodies comprises portions with a differentiated thickness s2, s3 along the axis A.
Resumen de: EP4625535A1
The present invention relates to a negative electrode composition and a negative electrode, a lithium secondary battery, a battery module, and a battery pack comprising same, the composition comprising a negative electrode active material comprising a silicon-based active material and a carbon-based active material, wherein the amount of silicon-based active material is greater than 0 parts by weight and less than or equal to 10 parts by weight based on 100 parts by weight of the total negative electrode active material, the carbon-based active material comprises natural graphite and has a total amount of N and O of at least 200 ppm to 2000 ppm based on 0.01 g of the natural graphite, and the silicon-based active material comprises at least one of a silicon-carbon composite and a silicon oxide, has a total amount of N and O of 0.7% to 3.3% based on 0.01 g of the silicon-carbon composite, and has a total amount of N and O of 30% to 32% based on 0.01 g of the silicon oxide.
Resumen de: EP4625538A1
The present application relates to a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
Resumen de: EP4625677A1
The present disclosure provides a welding structure of a battery can, a collector plate, and a cap, a welding method, and a battery cell to which the welding structure and the welding method are applied. The battery cell includes a can and an electrode assembly accommodated inside the can. The can includes a bottom member, a sidewall member connected to the bottom member and extending in an axial direction, and a cap configured to cover an open end provided at one axial end of the sidewall member. A can connection portion is provided on an edge of a collector plate electrically connected to an electrode of the electrode assembly so as to come into electrical contact with the can. An edge of the cap is welded and fixed. The welding includes a plurality of first weld portions having an edge of the open end of the sidewall member, an edge of the cap, and the can connection portion, which are welded together, and spaced apart from each other in a circumferential direction, and a second weld portion having at least an edge of the open end of the sidewall member and an edge of the cap, which are welded, and disposed between the first weld portions. The first weld portion and the second weld portion are formed continuously to be alternately disposed along the circumferential direction.
Resumen de: EP4625509A1
Disclosed are an apparatus and method for manufacturing an electrode and a secondary battery including the electrode. The electrode manufacturing apparatus includes a press roll having a surface roughness Ra of 0.25 µm or more, with the press roll being configured to roll an electrode sheet.
Resumen de: EP4625634A1
An end cap assembly, a battery apparatus, and a power consumption device are provided. The end cap assembly includes a cover plate, an adhesive member, and an insulation member. The cover plate is provided with a first mounting hole. The adhesive member is bonded to the cover plate. The adhesive member is provided with a second mounting hole. The second mounting hole corresponds to the first mounting hole. The insulation member is disposed on a side of the cover plate facing away from the adhesive member. The insulation member is provided with a third mounting hole. The third mounting hole corresponds to the first mounting hole. A thickness of the adhesive member is H1 and a thickness of the insulation member is H2, satisfying the following: H1<H2. Through the foregoing arrangement, connection reliability of the end cap assembly is improved, and a risk of falling off during manufacturing and use is reduced.
Resumen de: EP4624635A2
Provided is a surface-treated copper foil for a lithium ion secondary battery, including a copper layer having a first side and an opposite second side and nickel-containing treatment layers disposed on the first side and the second side of the copper layer respectively, wherein a nickel coating amount on each side of the copper layer is ≥3.0 10<4> µg/dm<2>, and each treatment layer provides a treated surface with lightness value (L*) of color space of 30 to 60 and reduced dale height (Svk) of 0.10 to 0.65 µm. Provided also are a current collector for a lithium ion secondary battery and a lithium ion secondary battery.
Resumen de: EP4625621A1
A terminal-post assembly, an energy-storage apparatus, and an electricity-consumption device are disclosed in the present disclosure. The terminal-post assembly includes a first terminal-post and a first flange connected to one end of the first terminal-post. The first terminal-post includes a first member and a second member stacked with and connected to the first member, and the second member is connected to the first flange. A material of the first member is different from a material of the second member, and a connection interface between the first member and the second member is a curved surface. The first terminal-post is configured to connect to an electrode assembly in an energy-storage apparatus, and the first flange is configured to connect to a first busbar.
Resumen de: EP4625539A1
An anode material and a battery provided. The anode material includes a carbon matrix and a silicon material. The anode material, tested by Raman spectroscopy, has a first characteristic peak at 520±10 cm<-1> with a peak intensity of IA; a second characteristic peak at 960±10 cm<-1> with a peak intensity of IB; and a third characteristic peak at 480±10 cm<-1> with a peak intensity of Ic, where IA, IB and Ic have a relationship of 0.3≤IA/(IB+IC)≤0.6. The anode material provided has high initial Coulombic efficiency, high reversible capacity, and high expansion resistance.
Resumen de: EP4624859A1
A heat exchange module includes a base member having a flattened tubular shape, and a heat exchanger branched from the base member. The base member includes a flow passage that connects a first end of the base member and a second end opposite to the first end, and support posts arranged in the flow passage. The flow passage extends in a flow direction, and a direction orthogonal to the flow direction is a longitudinal direction. The support posts include a first support post and a second support post. The first support post and the second support post are separated from each other in the longitudinal direction. The first support post is separated from the second end. The second support post is separated from the first end.
Resumen de: EP4625626A1
A secondary battery is provided that is has reduced production cost. The secondary battery includes an electrode assembly, including a first electrode plate, a second electrode plate, and a separator. A first case surrounds a first surface of the electrode assembly, and a second case surrounds a second surface of the electrode assembly that is opposite to the first surface. An insulating gasket is positioned between the first case and the second case and coupled to at least one of the first case or the second case. The first case and the second case are coupled to each other with an interference fit with the insulating gasket interposed between the first case and the second case.
Resumen de: EP4624151A1
A bottom guard plate and battery box are provided in the present application. The bottom guard plate includes an upper skin; a lower skin spaced from the upper skin; an interlayer sandwiched between the upper skin and the lower skin. A thickness of the upper skin is greater than a thickness of the lower skin.
Resumen de: EP4625564A1
Disclosed herein relates to a secondary battery aging device for aging secondary batteries contained in a plurality of cell trays, including: a multilevel battery rack consisting of a plurality of storing parts in which cell trays are stored; and a heat pump for transferring heat to each cell tray stored in the battery rack, wherein the heat pump delivers high temperature heat to some of the plurality of storing parts and low temperature heat to other storing parts.
Resumen de: EP4624416A1
Provided are a positive electrode material and a preparation method thereof, and a lithium ion battery. The preparation method includes: performing first mixing on a first lithium source, a metal phthalocyanine complex, a first manganese source, and a first phosphorus source to obtain a first mixed system containing a seed crystal; performing second mixing on the first mixed system, a second lithium source, an iron source, a second manganese source, and a second phosphorus source to obtain a second mixed system containing a precursor; and sintering the second mixed system in a protective atmosphere to obtain a positive electrode material, where a molar ratio of the first lithium source, the first manganese source, and the first phosphorus source is a<sub>1</sub>:x<sub>1</sub>:1, a<sub>1</sub> is 1.01 to 1.03, and x<sub>1</sub> is 0.5 to 0.8; and a molar ratio of the second lithium source, the iron source, the second manganese source, and the second phosphorus source is a<sub>2</sub>:(1-x<sub>2</sub>):x<sub>2</sub>:1, a<sub>2</sub> is 1.03 to 1.10, and <sub>X2</sub> is 0.5 to 0.8. The positive electrode material has excellent compaction density and structural stability.
Resumen de: EP4625762A1
The present disclosure discloses a discharging control method for a vehicle charging system, a discharging control device, and a vehicle. The method includes: When a discharging signal is obtained, a communication converter of a vehicle is switched to a power supply device communication controller mode to obtain charging information of a to-be-charged vehicle. The vehicle charging system charges the to-be-charged vehicle when the communication converter obtains the charging information of the to-be-charged vehicle. According to the discharging control method for a vehicle charging system, the discharging control device, and the vehicle provided in the present disclosure, the vehicle charging system may be used for discharging, to perform power replenishment on a to-be-charged vehicle. When the vehicle charging system obtains a discharging signal, a communication converter is switched to a power supply device communication controller mode to obtain charging information of the to-be-charged vehicle, and the to-be-charged vehicle is charged according to the charging information. In this way, an electric vehicle that breaks down on the road or in an extreme environment can be rescued.
Resumen de: EP4625667A1
The present application discloses a separator, a battery cell, a battery, and an electric device. The separator comprises a porous base material and a ferroelectric coating located on at least one surface of the porous base material. The ferroelectric coating comprises a ferroelectric material. The ferroelectric material comprises an inorganic ferroelectric and a ferroelectric polymer. The ferroelectric polymer comprises polyvinylidene fluoride and a copolymer thereof, the ferroelectric polymer comprises β-phase polyvinylidene fluoride, and the content of the β-phase polyvinylidene fluoride in the ferroelectric polymer is greater than or equal to 60%. The separator can slow the continuous growth of dendrites in a direction perpendicular to an electrode sheet, reduce internal short circuits of the battery and improve the reliability of the battery, and can further improve the coulombic efficiency and rate performance of the battery.
Resumen de: EP4625627A1
An electrochemical apparatus includes a soft package film, an electrode assembly (2), a first tab (3), and a first protective member (4). The electrode assembly (2) is accommodated within the soft package film, and the electrode assembly (2) includes an electrode body (21) and a plurality of first extension portions (22). One end of each of the plurality of first extension portions (22) is connected to the electrode body (21), the plurality of first extension portions (22) are sequentially stacked along a first direction, the other ends of the plurality of first extension portions (22) are stacked on the first protective member (4), and the other ends of the plurality of first extension portions (22) and the first protective member (4) are welded to form a first adapting portion. One end of the first tab (3) is welded to the first adapting portion, and another end of the first tab (3) extends out of the soft package film.
Resumen de: EP4625588A1
A lithium-ion secondary battery includes an electrolyte, a positive electrode plate, a separator, and a negative electrode plate. The electrolyte includes a first additive and a second additive, based on a mass of the electrolyte, W1% is a mass percentages of the first additive and W2% is a mass percentages of the second additive, 0.05≤W1≤0.8 and 0.01≤W2≤4.1. The negative electrode plate includes a negative electrode current collector and a negative electrode material layer containing a negative electrode active material.
Resumen de: EP4625567A2
A secondary battery (100a) and an electronic apparatus (200) are provided. The secondary battery (100a) includes an electrode assembly (10), a packaging bag (20), and a first bonding member (50). The electrode assembly (10) includes a positive electrode plate (11), a separator (12), and a negative electrode plate (13) that are arranged in a winding manner. An end portion (111, 1121) of the positive electrode plate (11) and an end portion of the separator (12) extend beyond an end portion of the negative electrode plate (13), and a first uncoated foil zone (112) is provided at a portion at which the positive electrode plate (11) extends beyond the negative electrode plate (13). An outermost circle of a first straight segment (10a) includes one layer of a first uncoated foil zone (112). An inner circle of the first straight segment (10a) includes the positive electrode plate (11) close to the first uncoated foil zone (112) and at least one layer of the separator (12) located between the first uncoated foil zone (112) and the positive electrode plate (11). An end portion of the first uncoated foil zone (112) is located in a second straight segment (10c). The electrode assembly (10) is accommodated in the packaging bag (20). The first bonding member (50) includes a first bonding surface (51) and a second bonding surface (52) that are arranged opposite each other along a first direction (X), where the first bonding surface (51) is bonded to the second straight segment (10c) and co
Resumen de: EP4624056A1
Provided is a coating device having excellent closing suppression property of a pressure reduction slit and excellent thickening suppression property of an end part in a width direction during film formation.The coating device includes a slot die which has a jetting slit for jetting a coating liquid to a substrate to be transported, and a pressure reduction slit, in which the pressure reduction slit is positioned at an upstream side of the jetting slit from the same position of the slot die in a substrate transport direction, and at an outside in a width direction of the jetting slit.
Resumen de: EP4625534A1
The present invention relates to an anode active material, an anode comprising same, and a lithium secondary battery, the anode active material comprising; a core including a silicon carbon composite; an oxide layer which is provided on at least a portion of the core and includes silicon oxide, and of which at least 50% has a thickness of greater than 5 nm; and a carbon layer provided on at least a portion of the oxide layer.
Resumen de: EP4625594A1
Disclosed are a battery central tube and a battery. The battery central tube includes: at least one deformation portion, wherein the at least one deformation portion is arranged in an annular shape, and an outer side of the at least one deformation portion is arranged to be expandable or contractible to get close to or away from an inner side of a winding core of the battery; wherein each of the at least one deformation portion includes several foldable units, the several foldable units are sequentially arranged along an annular direction of the each of the at least one deformation portion, and each of the foldable units is at least unfolded or folded and elongated or shortened along the annular direction of the deformation portion. The present invention achieves a light weight, and can improve the overall energy density of the battery to some extent.
Resumen de: EP4624238A1
Problem To restrain deterioration of a secondary battery.Means for Solution A control apparatus 1 for a secondary battery 9 includes: a state sensor 120 that detects at least one of an SOC and a temperature of the secondary battery 9; and a controller 100 that determines, based on a detection signal of the state sensor 120, whether or not a first condition is fulfilled that is fulfilled when at least one of the SOC and the temperature is continuously not less than a predetermined value, and controls a charge/discharge current of the secondary battery 9 based on the determination result, and the controller 100 determines, in disconnection of electric power supply to a driving source 3, whether or not the first condition is fulfilled, and restricts, when it is determined that the first condition is fulfilled, a magnitude of the charge/discharge current more than in the case where the first condition is not fulfilled.
Resumen de: EP4625614A2
Provided is a method for recovering metals from battery powder of lithium ion battery waste, the method comprising: an acid leaching step of leaching the metals in the battery powder into an acidic leaching solution to obtain a metal-containing solution containing lithium ions and other metal ions; a metal separation step of separating the other metal ions from the metal-containing solution; and, after the metal separation step, an electrodialysis step of subjecting the metal-containing solution containing lithium ions and fluoride ions as impurities to electrodialysis using a bipolar membrane to obtain a lithium hydroxide solution and an acidic solution comprising fluoride ions, wherein the acidic solution obtained in the electrodialysis step is mixed with the acidic leaching solution, the metal-containing solution comprises iron, and the fluoride ions are precipitated by the iron.
Nº publicación: EP4625576A1 01/10/2025
Solicitante:
FORSCHUNGSZENTRUM JUELICH GMBH [DE]
Forschungszentrum J\u00FClich GmbH
Resumen de: EP4625576A1
Die vorliegende Erfindung betrifft ein Verfahren zur Oberflächenmodifikation von Metalloxidsubstraten, das dadurch gekennzeichnet ist, dass das Metalloxidsubstrat(1) zunächst in Anwesenheit von Li<sup>+</sup>-Ionen mit einer organischen Säure, bei der es sich um eine Carbonsäure oder eine vinyloge Carbonsäure handelt, in Kontakt gebracht wird, und anschließend(2) mit einer anorganischen Säure, bei der sich nicht um Fluorwasserstoff oder Flusssäure handelt, in Kontakt gebracht wird,und dass die Verfahrensschritte (1) und (2) in Anwesenheit eines Lösungsmittels durchgeführt werden.Die Erfindung betrifft weiterhin ein oberflächenmodifiziertes Metalloxidsubstrat, das durch das Verfahren erhalten wird, sowie dessen Verwendung zur Herstellung einer Batterie oder einer Batteriekomponente, und eine Batterie oder Batteriekomponente, die dieses oberflächenmodifizierte Metalloxidsubstrat umfasst.
BOPI
Sede Electrónica
