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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 1050 a 1075 de 1797
Resumen de: US2025306113A1
Provided are a method for predicting output power of a battery and a battery system providing the same, the system including: a battery including a plurality of battery modules each including a plurality of battery cells; and a main control circuit determining a representative temperature corresponding to a battery temperature based on a plurality of module temperatures which are respective temperatures of the plurality of battery modules, a cooling water temperature which is a temperature of cooling water flowing between the plurality of battery modules, and an air temperature, and predicting an output power value of the battery based on a state of charge SOC of the battery that is determined based on the determined representative temperature and a predetermined reference.
Resumen de: US2025305766A1
An electrode drying device includes a chamber through which an electrode plate is passable, and an upper adjustment unit in the chamber and configured to adjust hot air above the electrode plate to prevent non-uniform drying of the electrode plate due to a difference in flow rate.
Resumen de: US2025305770A1
Example embodiments disclosed herein include a control system that determines a control condition for electrode plate drying by monitoring a drying status of an electrode plate for a secondary battery, and a method thereof. Examples embodiments include a drying control system based on electrode plate drying status monitoring, including an ultrasonic sensor disposed in a preset area of a secondary battery electrode plate drying furnace, and a drying furnace controller configured to monitor a drying state of an electrode plate using a signal acquired from the ultrasonic sensor, and configured to generate and transmit a drying heat amount control signal according to a result of the monitoring.
Resumen de: US2025309321A1
An apparatus for forming a folding guide line forming a folding guide portion in a sealing portion of a battery cell, includes a first pressing tool and a second pressing tool, forming the folding guide portion by placing the sealing portion therebetween and pressing the sealing portion, wherein the first pressing tool includes a first pressing surface having a flat shape and an accommodating groove having a shape recessed from the first pressing surface, the second pressing tool includes a second pressing surface having a flat shape, a pressing protrusion dispose to oppose the accommodating groove and having a shape in which at least a portion protrudes from the second pressing surface, and a pressing avoidance portion connected to the pressing protrusion, and the pressing avoidance portion has a shape not applying pressure to a portion of the accommodating groove, adjacent to the electrode-accommodating portion.
Resumen de: US2025309237A1
Provided is an electrode for secondary battery. The electrode may include a substrate, a first coated portion disposed on a first surface of the substrate, the first coated portion comprising an active material; and a first uncoated portion disposed on the first surface of the substrate, the first uncoated portion being in contact with the first coated portion and exposing the substrate, wherein a first side portion of the first coated portion in contact with the first uncoated portion has a stepped surface.
Resumen de: DE102024108760A1
Vorgeschlagen wird eine Vorrichtung (100) und ein Verfahren zum kontrollierten Entladen von wenigstens einer Batteriezelle (200). Das Verfahren umfasst ein Einbringen der wenigstens einen Batteriezelle (200) in ein Bad, das eine elektrisch leitfähige Flüssigkeit (120) mit zumindest geminderter korrodierender Eigenschaft bezüglich der wenigstens einen Batteriezelle (200) aufweist. Die wenigstens eine Batteriezelle (200) wird bis zu einem gewünschten Entladungsgrad in das Bad eingebracht. Zudem wird die Verwendung einer elektrisch leitfähigen Flüssigkeit (120) mit zumindest geminderter korrodierender Eigenschaft zum kontrollierten Entladen von wenigstens einer Batteriezelle (200) vorgeschlagen.
Resumen de: DE102025111462A1
Diese Offenbarung betrifft Systeme zur Schwefelwasserstoffminderung. Es wird eine Batteriezelle oder eine Vielzahl von Batteriezellen in einem Batteriepack mit einem Festelektrolyten, der zwischen einer Anode und einer Kathode angeordnet ist, vorgestellt. Eine Beschichtung ist auf eine Innenfläche der schwefelhaltigen wiederaufladbaren Batteriezelle auf Lithiumbasis aufgebracht. Die Beschichtung ist dazu konfiguriert, Schwefelwasserstoffgas als Reaktion auf das Eindringen von Feuchtigkeit in die Kathode auszufällen und Schwefeldioxid und Wasser außerhalb der schwefelhaltigen wiederaufladbaren Batteriezelle auf Lithiumbasis auszuscheiden.
Resumen de: DE102024109158A1
Die vorliegende Erfindung betrifft ein elektrisch oder teilelektrisch angetriebenes Kraftfahrzeug mit einer Traktionsbatterie (2), wobei die Traktionsbatterie (2) zumindest ein direktgekühltes Batteriemodul (3a, 3b, 3c) aufweist. Das jeweilige Batteriemodul (3a, 3b, 3c) weist ein Batteriemodulgehäuse auf, das einen Innenraum begrenzt, wobei in dem Innenraum mehrere Batteriezellen angeordnet sind, wobei das jeweilige Batteriemodulgehäuse eine erste Seitenwand (4a) und eine der ersten Seitenwand (4a) in einer Fahrzeughochrichtung (Z) gegenüberliegende zweite Seitenwand, eine dritte Seitenwand (4c) und eine der dritten Seitenwand (4c) in einer Fahrzeuglängsrichtung (X) gegenüberliegende vierte Seitenwand aufweist, wobei das jeweilige Batteriemodulgehäuse zwei in einer Fahrzeugquerrichtung (Y) gegenüberliegende Stirnseiten aufweist, wobei der Innenraum von einem dielektrischen Kühlfluid durchströmt ist, derart, dass die Batteriezellen direkt umströmt sind, wobei an der jeweiligen Stirnseite eine erste Durchgangsöffnung für das Kühlfluid ausgebildet ist, wobei bezogen auf eine Quererstreckung des jeweiligen Batteriemodulgehäuses in der Fahrzeugquerrichtung (Y) mittig in der dritten Seitenwand (4c) zumindest eine zweite Durchgangsöffnung (10) für das Kühlfluid ausgebildet ist, wobei die ersten Durchgangsöffnungen Einlassöffnungen für das Kühlfluid bilden und die zweite Durchgangsöffnung (10) eine Auslassöffnung für das Kühlfluid bildet oder wobei die erste
Resumen de: DE102025111960A1
Ein Elektrolyt für eine Lithium-Sekundärbatterie gemäß den Ausführungsformen der vorliegenden Offenbarung enthält ein Lithiumsalz, ein organisches Lösungsmittel, ein Additiv auf Phosphatbasis, das eine durch die folgende Formel 1 dargestellte Verbindung enthält, und ein halogeniertes Benzol. Eine Lithium-Sekundärbatterie, die den Elektrolyten enthält und eine verbesserte Flammhemmung und eine verbesserte Hochtemperaturstabilität des Elektrolyten sowie verbesserte Hochtemperaturlebensdauereigenschaften und Hochtemperaturspeichereigenschaften aufweist, kann bereitgestellt werden.
Resumen de: US2025305089A1
Disclosed herein are methods for obtaining a composition including copper sulfide from a material, where the methods include: contacting the material with an acidic aqueous solution having a pH less than 6 in the presence of sulfur dioxide to form copper sulfide; where the material includes one or more copper compounds chosen from copper in a zero oxidation state, copper oxide, and copper hydroxide, and where the material includes an amount of zero oxidation state metals having a standard redox-potential less than zero volt versus a standard hydrogen electrode. Also disclosed are methods for recycling at least one battery material, and compositions including copper sulfide.
Resumen de: US2025305090A1
The present invention provides a scalable method for recycling end-of-life lithium-ion batteries by selectively extracting and recovering valuable metals. The method includes dissolving battery cathode material in acid to create a feed solution. The method further includes pre-wetting the porous sidewalls of a hollow fiber membrane module with an organic solvent and an extractant, for example di-(2-ethylhexyl)phosphoric acid. During the extraction process, the feed solution flows along one side of the hollow fibers, while a strip solution moves along the opposite side of the hollow fibers. To optimize separation, the pH of the feed solution is maintained between 2.5 and 3.0, while the acid concentration of the strip solution is maintained between 0.5M and 3.0M. The extractant continuously and selectively removes aluminum, copper, and other metals from the feed solution, while preventing the extraction of lithium, cobalt, and nickel.
Resumen de: US2025308299A1
A battery reuse management system manages reuse of a battery pack installed in vehicles. The battery reuse management system acquires battery information reflecting the use history of the battery pack during primary use in the vehicle. The battery reuse management system acquires first traveling record information indicating at least one of the total traveling distance and position history of the vehicle, and acquires second traveling record information by abstracting the first traveling record information. The battery management information includes battery information and the second traveling record information, but does not include the first traveling record information. The battery reuse management system acquires a reuse ID which is identification information for the battery pack during reuse. The battery reuse management system provides the reuse ID and the battery management information to a user who reuses the battery pack.
Resumen de: US2025311146A1
A charging device according to the present disclosure includes a housing, a second coil, a fan, and a controller. An object to be charged including a first coil is capable of being disposed in the housing. The housing includes an intake port and an exhaust port. The second coil is disposed in the housing and is capable of being electromagnetically coupled with the first coil in the object to be charged. The fan is disposed in a flow path from the intake port to the exhaust port. The controller acquires, from the object to be charged, state information regarding received power and controls a rotational speed of the fan according to the state information.
Resumen de: US2025309439A1
There is provided a manufacturing method of a battery module, the battery module including a battery cell stack including a stack of a plurality of battery cells, a pair of plate-shaped members provided at both ends of the battery cell stack in a stacking direction, and a cushion material arranged between the plurality of battery cells and/or between the battery cell stack and the plate-shaped members, the cushion material including a first elastic member having a frame-shaped member arranged on an outer circumferential portion, a second elastic member arranged inside the first elastic member, and a third elastic member arranged on both sides of the battery cell stack in the stacking direction of the battery cell stack, the second elastic member having wave-shaped plate springs stacked in the stacking direction of the battery cell stack, the manufacturing method including.
Resumen de: US2025309437A1
Provided is a battery module in which the entirety of each of surfaces of battery cells is uniformly pressurized and no load is applied due to expansion at the time of charge. A battery module includes: a pressurization container filled with a pressure medium; a cell stack including a plurality of battery cells that are stacked, the cell stack being housed in the pressurization container; and holders respectively interposed between the battery cells stacked and between an outermost one of the battery cells and an inner wall of the pressurization container, the holders maintaining the cell stack in a stacked state, each of the holders being constituted by a porous body having an elasticity.
Resumen de: US2025309438A1
A battery module according to an aspect of the present invention includes: a cell stack in which a set of a plurality of battery cells are stacked; a pair of end plates disposed at opposite ends of the cell stack in a stacking direction, respectively; and a cushion disposed between the battery cells and/or between the set of the plurality of battery cells and each of the pair of end plates. The cushion is an at least one first cushioning member including an inner elastic container and an outer elastic container that houses the inner elastic container, the inner elastic container has an interior filled with a gas, a space between the inner elastic container and the outer elastic container is filled with a liquid, the outer elastic container is connected to a liquid pipe having an accumulator.
Resumen de: US2025309440A1
Provided is a battery module including a battery cell stack in which a plurality of battery cells are stacked, a pair of plate members provided at opposite ends of the battery cell stack in a stacking direction, and a cushioning material disposed between the plurality of battery cells and/or between the battery cell stack and each of the plate members. The cushioning material includes a corrugated plate spring including concave portions and convex portions that are alternately and continuously arranged, and extending in a predetermined direction. The corrugated plate spring includes a laminate structure in which a layer containing glass fiber and a layer containing epoxy resin are alternately laminated in a thickness direction, and a layer containing a styrene block copolymer or a cycloolefin polymer is present between the layers laminated.
Resumen de: US2025309442A1
A battery module includes a cell stack that includes battery cells and heat exchangers stacked on the battery cells, and a holding mechanism that holds the cell stack by pressing both stacking-direction end portions of the cell stack inward in the stacking direction. The holding mechanism includes a damper member that presses the cell stack in the stacking direction.
Resumen de: US2025309435A1
In this disclosure, a battery pack/module with pressure control device integrated has been introduced to provide more efficient packing in system. This design reduces and deaccelerates fading/aging, impedance growth, and dimensional instability over product life. Moreover, it also helps protect the battery from damage with improved reliability. This technology enables better industrial design, e.g., for XR and wearable systems.
Resumen de: US2025309259A1
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material which exhibits a predetermined peak intensity ratio and a predetermined voltage ratio in a graph illustrating the voltage (V) and the battery capacity (Q) at the 3rd cycle and having an X axis indicating the voltage (V) and a Y axis indicating a value (dQ/dV) obtained by differentiating the battery capacity (Q) with respect to the voltage (V) when charging/discharging is performed under predetermined conditions, and a lithium secondary battery including the same.
Resumen de: US2025309276A1
A dry electrode includes a current collector including a surface having protrusions and depressions and a free-standing film including an active material, a conductive material, and a fiberized binder. The free-standing film is laminated directly onto the surface of the current collector having protrusions and depressions.
Resumen de: US2025309245A1
The present invention relates to an electrode protection layer based on a carboxylated polymer of intrinsic microporosity, and a manufacturing method therefor, and, more specifically, to an electrode protection layer based on a polymer of intrinsic microporosity, and a manufacturing method therefor, the layer being manufactured by mixing a carboxylated polymer of intrinsic microporosity with a cross-linking agent and a solvent so as to form a film-forming composition, forming a film therefrom, and then cross-linking the film.
Resumen de: US2025309269A1
An electrode for a lithium ion secondary battery includes; an electrode active material layer, an electrode current collector layer, and a porous layer laminated on the electrode current collector layer. The porous layer includes a polymer binder including a copolymer containing a hard segment of the following Chemical Formula 1 and a soft segment of the following Chemical Formula 2 and inorganic fine particles dispersed in the polymer binder:Also provided is a method of manufacturing the same and a lithium ion secondary battery comprising the same. The electrode for the lithium ion secondary battery has a dense bond between a porous layer and an electrode active material layer and also imparts high flexibility to the porous layer which results in exhibiting excellent durability during charge and discharge.
Resumen de: US2025309261A1
A secondary battery with excellent electrochemical stability and reversibility of both the lithium-ion insertion and conversion reactions is provided. According to one aspect of the present invention, a secondary battery comprising a cathode including a transition metal-based lithium compound is provided, wherein in the differential capacity (dQ/dV)-voltage (V) graph of the secondary battery, there is no peak value in the range of 3.8 to 4.0 V.
Nº publicación: US2025309236A1 02/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025309236A1
Disclosed is a negative electrode for a secondary battery, including: a carbonaceous current collector; a porous polymer layer disposed on at least one surface of the carbonaceous current collector; and a lithium-based material layer disposed on a top surface of the porous polymer layer. The negative electrode for a secondary battery shows improved elongation, tensile strength and elastic force. In addition, the secondary battery including the negative electrode for a secondary battery shows improved cycle life.
BOPI
Sede Electrónica
