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1428
resultados
Última actualización
15/07/2025 [07:19:00]
Resultados 50 a 75 de 1428
Resumen de: DE102024100426A1
Die vorliegende Offenbarung betrifft ein System (100) zum Betreiben eines Hybrid- oder Elektrofahrzeugs (1), umfassend ein Konditionierungsmodul (110), das eingerichtet ist, um einen Antriebsenergiespeicher (12) des Hybrid- oder Elektrofahrzeugs (10) vor einem Ladevorgang thermisch vorzukonditionieren; und ein Steuermodul (120), das eingerichtet ist, um:- wenigstens eine Zeit- und/oder Ortseigenschaft, die mit einer Außentemperatur in Beziehung steht, zu bestimmen;- basierend auf wenigstens einem Ladekriterium zu bestimmen, ob potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht;- über eine Benutzerschnittstelle (20) einen Nutzerhinweis (NH) an einen Nutzer des Hybrid- oder Elektrofahrzeugs (10) in Bezug auf eine Vorkonditionierung des Antriebsenergiespeichers (12) auszugeben oder die Ausgabe des Nutzerhinweises (NH) zu veranlassen, wenn bestimmt wird, dass potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht und die wenigstens eine Zeit- und/oder Ortseigenschaft einer Referenz entspricht; und- das Konditionierungsmodul (110) für die Vorkonditionierung des Antriebsenergiespeichers (12) anzusteuern.
Resumen de: DE102024105213A1
Es sind Techniken für die Stromkollektordiagnose vorgesehen. Bei einer Ausgestaltung umfassen die Techniken das Feststellen, dass ein Strom durch einen Stromkollektor der Akkumulatorzelle fließt, das Erzeugen einer mechanischen Erregung für den Stromkollektor, das Ermitteln einer Amplitude der Spannung über der Akkumulatorzelle auf der Grundlage der mechanischen Erregung und das Feststellen des Vorhandenseins eines Risses oder einer Abtrennung einer Folie des Stromkollektors auf der Grundlage der Amplitude der Spannung über der Akkumulatorzelle.
Resumen de: DE102024100211A1
Die Erfindung betrifft eine Schottwanddichtung zur Abdichtung eines ersten Energiespeichermoduls zu einem zweiten Energiespeichermodul in einem gemeinsamen Gehäuse, wobei das erste Energiespeichermodul und das zweite Energiespeichermodul durch eine Schottwand voneinander getrennt sind. Die Schottwanddichtung umfasst einen Befestigungsbereich, welcher eingerichtet ist, an der Schottwand befestigt zu werden, eine erste Dichtlippe, eine zweite Dichtlippe und eine mittlere Dichtlippe, welche zwischen der ersten Dichtlippe und der zweiten Dichtlippe angeordnet ist. Somit bildet sich zwischen der mittleren Dichtlippe und der ersten Dichtlippe ein erster Zwischenraum. Zwischen der zweiten Dichtlippe und der mittleren Dichtlippe bildet sich ein zweiter Zwischenraum. Dabei sind die erste Dichtlippe, die zweite Dichtlippe und die mittlere Dichtlippe eingerichtet, das Gehäuse zu kontaktieren. Die erste Dichtlippe ist eingerichtet, das erste Energiespeichermodul zum ersten Zwischenraum abzudichten und die zweite Dichtlippe ist eingerichtet, das zweite Energiespeichermodul zum zweiten Zwischenraum abzudichten. Dabei ist die mittlere Dichtlippe eingerichtet, den ersten Zwischenraum zum zweiten Zwischenraum abzudichten.
Resumen de: WO2025145689A1
A high-nickel cobalt-free positive electrode material capable of dual residual alkali reduction and a preparation method therefor. The chemical expression of the high-nickel cobalt-free positive electrode material is LixNiyMn1-yAzO2, where 0.75＜y≤0.95, 0.95≤x≤1.15, and 0.001＜z≤0.005. Primary residual alkali reduction is implemented by means of water washing. In-situ formation of perovskite on the surface of the material consumes residual alkali in the material so as to achieve secondary residual alkali reduction, and can simultaneously form a LaaLibCoO3 perovskite coating layer. Because of the formed perovskite coating layer, the positive electrode material has high lithium ionic conductivity, a good capacity retention capacity and rate capability, and high reversibility. The prepared high-nickel cobalt-free positive electrode material has low residual alkali, a high discharge capacity, a good rate capability and good battery cycle performance.
Resumen de: DE102024100585A1
Die Erfindung betrifft ein Verfahren zum Herstellen einer Kühlmittelführung zum Kühlen von zumindest einer Batteriezelle (12) für einen elektrischen Energiespeicher (10) eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs, mit den Schritten Bereitstellen eines ersten Kühlmittelführungsteils (20) der Kühlmittelführung (16, 18) und eines zweiten Kühlmittelführungsteils (22) der Kühlmittelführung (16, 18), Bereitstellen eines Verbindungselements (24) zum Verbinden des ersten Kühlmittelführungsteils (20) und des zweiten Kühlmittelführungsteils (22), Bereitstellen eines thermischen Überzugs (32) für das Verbindungselement (24), Verbinden der beiden Kühlmittelführungsteile (20, 22) mittels des Verbindungselements (24), und Erwärmen des thermischen Überzugs (32) nach dem Verbinden der beiden Kühlmittelführungsteile (20, 22). Ferner betrifft die Erfindung eine Kühlmittelführung (16, 18) sowie einen elektrischen Energiespeicher (10).
Resumen de: DE102024123513A1
Aspekte der Offenbarung umfassen ultraviolett aushärtbare Klebereagenzien und Verfahren unter Verwendung derselben für die Elektrodenstapelung. Ein beispielhaftes Fahrzeug umfasst einen Elektromotor und ein Batteriepack, das elektrisch mit dem Elektromotor gekoppelt ist. Das Batteriepack umfasst eine Mehrzahl von Batteriezellen, wobei jede Batteriezelle einen Elektrodenstapel aufweist. Der Elektrodenstapel jeder Batteriezelle umfasst eine Mehrzahl von Batteriefolien, die durch ein isoliertes Element in einer gestapelten Konfiguration getrennt sind, die eine abwechselnde Batteriefolie und isolierte Elementschichten umfasst. Der Elektrodenstapel jeder Batteriezelle umfasst ferner ein ultraviolett aushärtbares Klebereagenz. Das ultraviolett aushärtbare Klebereagenz wird zwischen der abwechselnden Batteriefolie und isolierten Elementschichten aufgetragen, wodurch die Mehrzahl von Batteriefolien an das isolierte Element geklebt wird. Das ultraviolett aushärtbare Klebereagenz umfasst ein multifunktionelles Acrylatvernetzungsmittel und einen Initiator.
Resumen de: WO2025146586A1
The invention relates to a battery tray for receiving at least one battery cell serving as a drive energy storage device for an electrically driven vehicle, wherein the battery tray (2) is connectable to a body of the vehicle, the battery tray (2) comprising: a substantially circumferential frame structure (4) comprising longitudinal sides (6) and transverse sides (8) for forming a receiving area (14) for the at least one battery cell, wherein the battery tray (2) is formed in one piece from a light metal material, in particular cast in one piece from a light metal material; wherein the receiving area (14) comprises an area of at least 0.5 m2, preferably of at least 0.75 m2, more preferably of at least 1 m2. The invention also relates to a method for low pressure die casting a battery tray.
Resumen de: US2025226392A1
This technology concerns modifying the surface of an electrode film with a succession of thin layers, for example, each being of 15 microns or less, where the first thin layer comprises an inorganic compound (such as a ceramic) in a solvating polymer, the inorganic compound being present in the first thin layer in an “inorganic compound:solvating polymer” weight ratio in the first thin layer is in the range of from about 1:20 to about 20:1. Electrochemical cells comprising the modified electrodes are also described as well accumulators comprising them.
Resumen de: US2025223189A1
A positive electrode active material with a controlled specific surface area, a method of preparing the same, and a positive electrode containing the same, can have a density of the positive electrode active material being optimized by controlling the sintering conditions and composition of the positive electrode active material, thus maximizing the output characteristics of an all-solid-state battery containing the same. The positive electrode active material can include a lithium composite oxide enabling intercalation or deintercalation of lithium, wherein in the lithium composite oxide, a ratio (Sm/Sc) of a measured specific surface area (Sm) based on a Brunauer-Emmett-Teller (BET) method to a calculated specific surface area (Sc) based on a particle size distribution (PSD) analysis result is in a first range of 2.0 to 3.3.
Resumen de: US2025223168A1
Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows:(1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and(2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing an absolute maximum length by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 μm or more is 40% or more and 90% or less.
Resumen de: US2025223183A1
The present disclosure relates to a lithium compound for recovering valuable metals and a method of recovering the same, and a method of recovering a lithium compound for recovering valuable metals includes: preparing a battery; freezing and forcibly discharging the battery; shredding the battery into a battery shredded material; and heating the battery shredded material, wherein the heating of the battery is performed in a temperature range of 1,100 to 1,400° C., a degree of vacuum (Log P atm) in the heating of the battery is in a range of −4 to 0, a lithium compound recovered through the heating of the battery contains impurities, and the impurities include, by wt %, 1.8 wt % or less (excluding 0 wt %) of Na, 0.06 wt % or less (excluding 0 wt %) of K, 0.62 wt % or less (excluding 0 wt %) of Ca, and 0.47 wt % or less (excluding 0 wt %) of Mg.
Resumen de: US2025223167A1
The present invention relates to a low-defect carbon nanotube sludge and a preparation method therefor, a conductive composite material based on the low-defect carbon nanotube, a negative electrode slurry using same, a negative electrode, and a lithium secondary battery, and has the technical gist of comprising carbon nanotubes that have crystallinity while satisfying relational expression 1 below. relational expression 1 5≤IG/ID≤50 (wherein IG/ID is a value calculated as a ratio of a maximum peak intensity (IG) measured at 1,580±50 cm−1 to a maximum peak intensity (ID) measured at 1,360±50 cm−1 in a wavenumber region of a Raman spectrum.)
Resumen de: US2025226489A1
A pouch-shaped battery cell includes a pouch case having a receiving space, an electrode assembly received in the pouch case. The electrode assembly has a pair of electrode tabs provided at one side or opposite sides thereof, and a pair of electrode leads connected to the pair of electrode tabs. The pair of electrode leads protrude out of the pouch case. A sealed portion of the pouch-shaped battery case includes a wing portion, a terrace portion, and a reinforcement portion. The wing portion extends along the length direction of the pouch case, the terrace portion extends along the width direction of the pouch case, and the reinforcement portion extends outwardly from the terrace portion. The reinforcement portion has a predetermined shape and area for inhibiting or delaying gas venting. A method of manufacturing the same is also provided.
Resumen de: US2025226484A1
A battery pack according to an embodiment of the present disclosure includes: a plurality of batteries; a pack tray having an internal space accommodating the plurality of batteries and an opening communicating with the internal space; a pack lid coupled to the pack tray to cover the opening; and a heat dissipation structure disposed between the plurality of batteries and the pack lid, wherein the heat dissipation structure includes a first contact portion in thermal contact with at least one of the plurality of batteries; and a second contact portion that is spaced apart from the first contact portion at a predetermined distance and is in thermal contact with the pack lid.
Resumen de: US2025226448A1
The invention relates to a non-aqueous electrolyte composition comprising one or more sodium-containing salts and a solvent system which comprises a first component which comprises one or more glyme-based solvents and a second component which comprises additives. The invention further relates to an anode-free sodium cell comprising said non-aqueous electrolyte compositions.
Resumen de: US2025226528A1
An embodiment of the present invention provides a separator for a non-aqueous secondary battery, including a porous substrate, and an adhesive layer that is provided on at least one side of the porous substrate and that contains a polyvinylidene fluoride type resin, in which the separator contains a nonionic surfactant having a cloud point of from 30° C. to 85° C. and a molecular weight of from 200 to 1,500.
Resumen de: US2025226481A1
A power conversion apparatus includes: an upper arm switch and a lower arm switch that are connected in series; a first capacitor electrically connected in parallel to the upper arm switch and the lower arm switch; a coil of which a first end side is electrically connected to a connection point between the upper arm switch and the lower arm switch; a second capacitor; a high-potential-side electrical path electrically connected to the upper arm switch; a low-potential-side electrical path electrically connected to the lower arm switch; and a control unit that performs switching of the upper arm switch and the lower arm switch. One of the high-potential-side electrical path and the low-potential-side electrical path and a second end side of the coil are electrically connected via the second capacitor. The other thereof and the second end side of the coil are electrically connected via a power storage unit.
Resumen de: US2025226407A1
A method of preparing a positive electrode active material, and a rechargeable lithium battery including a positive electrode active material prepared therefrom are provided, the method including adding lithium hydroxide, nickel sulfate, cobalt sulfate, and ammonium carbonate to an aqueous solvent and mixing them to prepare a raw material mixture, wet-pulverizing the raw material mixture, spray-drying the pulverized material to obtain a positive electrode active material precursor mixture, and subjecting the positive electrode active material precursor mixture to heat treatment to obtain a positive electrode active material in a form of a single particle and including lithium nickel-cobalt-based composite oxide.
Resumen de: US2025226406A1
Disclosed are an additive for a positive electrode, a preparation method thereof, and a positive electrode and a rechargeable lithium battery including the additive, the additive including lithium iron oxide particle; and a coating layer located on the surface of the lithium iron oxide particles and including metal oxide particles including a metal having an oxidation number of 4 or higher.
Resumen de: US2025226404A1
Exemplary lithium-ion batteries comprise a cathode, an anode, and a non-aqueous electrolyte. Exemplary cathodes comprise a mixed metal oxide active material of formula:LiNixM′(1−x)O2wherein M′ is at least one metal element, and 0.60x≤0.999. Exemplary anodes comprise an active material, the active material comprising carbon.
Resumen de: US2025226391A1
There is provided a negative electrode material for a lithium ion secondary battery according to a first aspect includes composite particles in which amorphous carbonaceous particles and amorphous silicon particles are complexed. An average primary particle diameter of the silicon particles is 1 nm or more and 50 nm or less. The composite particles include a first composite particle having a silicon content of 0.5% by weight or more and 5% by weight or less, and a second composite particle having a silicon content of 60% by weight or more and 70% by weight or less.
Resumen de: US2025226382A1
A small format lithium-ion battery cell pre-lithiation assembly includes an enclosure having a first portion corresponding to a first battery cell terminal and a second portion corresponding to a second battery cell terminal. The assembly also includes an electrical insulator contacting the first portion and the second portion, a first lithium metal foil disposed in the enclosure and abutting the first portion, and a second lithium metal foil disposed in the enclosure and abutting the second portion. The assembly also includes an electrode assembly disposed in the enclosure between the first lithium metal foil and the second lithium metal foil.
Resumen de: US2025226403A1
A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by being a composite oxide which is represented by general formula LixTMtmNMyO2-fFf and has a crystal structure that belongs to the space group Fm-3m. In the general formula, TM represents a transition metal; M represents a non-transition metal; x, tm, y and f satisfy 1.75≤x+tm+y≤2 and 0
Resumen de: US2025223129A1
A floatation roll supports a work to be conveyed contactlessly using a force applied to the work contactlessly. The floatation roll has a cylindrical shape extending in a direction of width of the work, and at least a surface of the floatation roll facing the work being formed by a circumferential surface. A driving unit rotates the floatation roll in a yaw direction. Of a wrap angle of the work supported by the floatation roll contactlessly, a wrap angle on an entry side with respect to an apex point and a wrap angle on an exit side with respect to the apex point are set to be different.
Nº publicación: US2025223126A1 10/07/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US2025223126A1
A mandrel member of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate, a separator, and a second electrode plate, the mandrel member comprising a cylindrical body having a hollow portion, wherein the cylindrical body includes a plurality of slits having a planar shape to cross the cylindrical body in a hollow axis direction so that the hollow portion inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
BOPI
Sede Electrónica
