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574
resultados
Última actualización
15/09/2026 [08:53:00]
Resultados 225 a 250 de 574
Resumen de: US20260269321A1
A compound of formula (I): wherein: X is Al or B; M+ is a metal cation; and R1 in each occurrence is independently a linear C3 or C4 fluorinated alkyl The compound of formula (I) may be used in an electrolyte in a metal or metal ion battery.
Resumen de: US20260269411A1
A temperature control device for a battery system has a base body (1) and a plurality of bearing sleeves (2) for battery cells (3), which bearing sleeves (2) are arranged in a flow channel (4). A wall section (8) of the base body (1) is pierced by a receiving opening (7) which opens into a bearing sleeve of said plurality of bearing sleeves (2). The bearing sleeve (2) is formed from the wall section (8) of the base body (1).
Resumen de: US20260269330A1
An electrolyte for a lithium secondary battery according to embodiments of the present disclosure may include a composite membrane including a lithium salt, an organic polymer, and an inorganic electrolyte, and a flame retardant compound including a phosphorus-containing functional group. The weight ratio of the flame retardant compound to the composite membrane may be 0.004 to 0.3. Accordingly, the flame retardancy and electrical properties of the secondary battery may be improved.
Resumen de: US20260264499A1
The present application relates to an electric drive vehicle modular chassis integrated with distributed corner modules, including a vehicle frame, a suspension mechanism, a wheel, and a steering mechanism. The wheel is connected to the vehicle frame via the suspension mechanism. The steering mechanism includes a first steering assembly and a second steering assembly. The first steering assembly is disposed on the suspension mechanism, and the second steering assembly is disposed on the vehicle frame; the first steering assembly is configured to drive the wheel to rotate within a first angle range, and the second steering assembly is configured to drive the suspension mechanism to rotate within a second angle range, so that the suspension mechanism drives the wheel to rotate within the second angle range.
Resumen de: US20260269326A1
An electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate. The positive electrode plate, the negative electrode plate, and the separator are wound for multiple turns to form an electrode body. The electrode body includes a flat portion and corner portions provided at two opposite ends of the flat portion. The positive electrode plate has multiple first protrusions provided corresponding to the corner portions. Along a direction of the positive electrode plate, a height Hm (μm) of the first protrusions satisfies: 15≤Hm≤80. Based on a total weight of the negative electrode active material layer, a weight percentage A of the silicon material particles satisfies: 5≤A≤50, and an average particle diameter Da (μm) of the silicon material particles satisfies: 1≤Da≤30.
Resumen de: WO2026184268A1
Disclosed in the present application are a battery cell and an electrical apparatus. The battery cell comprises a casing and an electrode assembly, wherein the casing forms a cavity containing an electrolyte, the electrode assembly being arranged in the cavity; the surface of an active material layer of the electrode assembly is recessed inwards to form grooves, the grooves extending to the edge of an electrode sheet; the thickness of the active material layer is M; in the thickness direction, the thickness of a separator is C; the separator and a first electrode sheet are laminated in the thickness direction, the porosity of the separator being F; an interval between two adjacent grooves in a second direction is H; a cross-sectional area of the grooves on a cross-section perpendicular to the extension direction is G, and 0.03M×H≤(G+(0.1C×F×H)). By means of reasonably arranging the separator and the grooves, the separator and the grooves can transport a sufficient amount of the electrolyte to the active material layer to infiltrate the interior of the electrode assembly and satisfy the consumption of the electrolyte by the electrode assembly, which is beneficial to replenishing the electrolyte inside the electrode assembly in a timely manner during a cycle process, and is beneficial to prolonging the cycle life of the battery cell.
Resumen de: US20260269306A1
An electrolytic solution includes a non-aqueous solvent, which solution satisfies b*≥2 in the chromatic coordinates of CIE 1976L*a*b* color space. The electrolytic solution may satisfy 1≤L*≤3 in the chromatic coordinate. A chroma defined by c*={(a*)2+(b*)2}1/2 may satisfy 2≤c*≤8 in the chromatic coordinate. A lithium salt may be dissolved in the non-aqueous solvent.
Resumen de: US20260269318A1
0000 Disclosed is an electrolyte comprising a cyclic quaternary ammonium ionic liquid, a lithium salt, and an organic solvent with a high boiling point. In one embodiment, the organic solvent has a boiling point of at least 100° C. In one embodiment, the cyclic quaternary ammonium ionic liquid and the lithium salt share the same anion. An electrochemical device comprising the same and preparation method therefor are also disclosed.
Resumen de: US20260269210A1
0000 A modified preparation method of a negative electrode material of a lithium ion battery includes performing a dissolving step, performing a first adding step, performing a second adding step, performing a coating step, and performing a heating step. In the dissolving step, a polyacrylonitrile is dissolved in a N-methylpyrrolidone to form a mixed solution. In the first adding step, an active material and a carbon nanotube are added to the mixed solution, and the carbon nanotube is dispersed uniformly in the mixed solution to form a dispersion. In the second adding step, a conductive carbon black is added to the dispersion to form a slurry. In the coating step, the slurry is coated on a copper foil to form a pole piece. In the heating step, the pole piece is heated to a heating temperature to form the negative electrode material of the lithium ion battery.
Resumen de: US20260269270A1
A negative electrode for a lithium secondary battery includes a negative electrode current collector, a negative electrode active material layer disposed on one or both sides of the negative electrode current collector, and a dam coating layer disposed on the one or both sides of the negative electrode current collector. The dam coating layer is in surface contact with an end of the negative electrode active material layer and includes a hydrophobic powder, a cellulose-based compound, a rubber-based binder, and inorganic particles. Also provided is a composition for coating a negative electrode dam. The composition for coating a negative electrode dam has excellent surface tension and adhesion, thereby inhibiting the occurrence of a fat-edge of the negative electrode. The dam coating layer formed from the composition for coating a negative electrode dam has the effect of reducing the sliding length of the negative electrode active material layer.
Resumen de: US20260269331A1
An electrolyte for a lithium secondary battery according to embodiments of the present disclosure may include a lithium salt, a composite membrane including an inorganic electrolyte and an organic binder, and a flame retardant polymer electrolyte. A lithium secondary battery according to embodiments of the present disclosure may include a cathode, an anode disposed to face the cathode, and an electrolyte layer disposed between the cathode and the anode which includes the electrolyte for a secondary battery.
Resumen de: US20260269267A1
A cathode active material for a secondary battery and a secondary battery including the same are provided. The cathode active material for a secondary battery includes an active material core and a coating material formed on the surface of the active material core. The coating material includes niobium (Nb) as a coating element, and further includes at least one of tungsten (W) and phosphorus (P). The coating material may reduce side reactions with the electrolyte and improve charge and discharge characteristics/Coulomb efficiency.
Resumen de: US20260269307A1
There is provided a positive electrode mixture comprising a sulfur-based active material and a sulfide solid electrolyte, wherein the sulfide solid electrolyte contains phosphorus (P) and halogen (X) including at least iodine (I) as constituent elements, and a molar ratio (X/P) of the halogen (X) to the phosphorus (P) is 0.86 or more, and a molar ratio (I/P) of the iodine (I) to the phosphorus (P) is 0.10 or more.
Resumen de: US20260269268A1
A solid-state battery having excellent reliability in which damage caused by expansion of a negative electrode layer during charging can be prevented is implemented. A solid-state battery includes a battery body. The battery body includes a stacked structure in which a positive electrode layer and a negative electrode layer are stacked in a first direction with an electrolyte layer interposed therebetween, and a cover layer configured to cover the stacked structure. In the battery body, an edge of the electrolyte layer in contact with the cover layer is located inward relative to an edge of the negative electrode layer in contact with the cover layer in a cross-sectional view along a second direction orthogonal to the first direction.
Resumen de: US20260269235A1
A positive electrode active material for a magnesium storage battery is made of a material containing magnesium (Mg), lithium (Li), one type or two or more types of metal elements (M), and oxygen (O), and having a rock salt structure represented by General Formula (1).
Resumen de: US20260269395A1
A battery pack includes a battery module including two end plates and at least one battery cell that is arranged between the two end plates, and a case that houses the battery module and includes a bottom wall to which the two end plates are fixed. Inside the case, at least a fixing part fixing the bottom wall and one end plate of the two end plates is covered with an insulator having waterproof and electrical insulation properties. Water entering the case of the battery pack is prevented from creating a short circuit due to ionic conduction in water.
Resumen de: WO2026184267A1
The present application discloses a battery cell and an electric apparatus. The battery cell comprises a housing and an electrode assembly, wherein the housing forms an accommodating cavity filled with an electrolyte; the electrode assembly is disposed within the accommodating cavity; a surface of an active material layer of a first electrode sheet in the electrode assembly away from a first current collector is recessed inward to form a groove; an end of the groove in an extension direction is in communication with an edge of the first electrode sheet; the first electrode sheet comprises a first edge and a second edge connected to each other; an included angle between the extension direction of the groove and the first edge is C, wherein 5° ≤ D ≤ 85°; and an included angle between the extension direction of the groove and the second edge is E, wherein 5° ≤ E ≤ 85°. When an electrolyte flows along a groove, a corresponding displacement component can be resolved in both an extension direction of a first edge and an extension direction of a second edge, allowing the electrolyte to better wet an interior of an electrode assembly. This is beneficial to replenishing electrolytes inside electrode assemblies in a timely manner during a cycling process, and helps prolong battery cell cycle life.
Resumen de: WO2026184161A1
The present application relates to the technical field of power supply, and in particular relates to a charging control method, a charging control circuit and an electronic device. In the charging control method provided in the embodiments of the present application, state of health data is obtained by means of performing calculation using first state data representing a state of health of a rechargeable battery, a first reference charging parameter is obtained by means of performing calculation on the basis of the state of health data and first charging data used for representing charging characteristics of the battery, and then a charging strategy corresponding to the first reference charging parameter is configured. The charging strategy can adapt to both the charging characteristics of the battery and the state of health of the battery, thereby helping to extend the service life of the battery.
Resumen de: DE102025152442A1
Die vorliegende Erfindung offenbart ein Wärmemanagementsystem und ein Verfahren zum Laden von Fahrzeugen und gehört zum Gebiet der Fahrzeugwärmemanagementtechnologie. Das Wärmemanagementsystem kann ein Fahrzeug- und ein Ladesäulen-Wärmemanagementsystem umfassen. Das Fahrzeug-Wärmemanagementsystem ist im Fahrzeug verbaut und verfügt über eine Mediumführungsöffnung am Ladeanschluss. Das Ladesäulen-Wärmemanagementsystem ist an der Ladesäule angebracht und verfügt über eine Mediumführungsöffnung an der Ladepistole. Sobald die Ladepistole mit dem Ladeanschluss des Fahrzeugs verbunden ist, verbindet sich die Mediumführungsöffnung der Ladesäule mit der des Fahrzeugs. Dadurch kann das zur Temperaturregelung verwendete Medium zwischen den beiden Systemen zirkulieren. Das System regelt gleichzeitig die Temperatur der Fahrzeugbatterie und der Ladestation während des Ladevorgangs, um das Risiko eines thermischen Durchgehens der Fahrzeugbatterie während des Ladevorgangs zu verringern und die Ladeeffizienz der Fahrzeugbatterie zu gewährleisten.
Resumen de: US20260271158A1
Disclosed is a battery management system for communicating, as a master board, with a plurality of slave boards, the system comprising: a light-emitting element performing wireless communication with the plurality of slave boards, each including a light-receiving element; a resistor circuit which is connected to the light-emitting elements in series and which includes a plurality of resistors that can be connected in parallel to each other according to the opening/closing of a switch; and a controller, wherein the controller controls at least some of switches such that the resistance of the resistance circuit is reduced by connecting in parallel at least some of the plurality of resistors in response to the detection of a decrease in the intensity of light transmitted from the light-emitting element to at least some of the light-receiving elements.
Resumen de: US20260269404A1
A cordless power tool system may include many and various components including a variety of power tools, a variety of battery packs, a variety of battery pack chargers, a variety of interfaces and a variety of adaptors. The various components are designed and configured to operate with each other to present an ergonomic, efficient and powerful system. The battery pack has been designed and configured to be compact and capable of discharging a vast majority of stored energy present in the battery pack when the battery pack as been fully charged. The battery pack charger has been designed and configured to be ergonomic to assist in the charging and transportation of the charger and/or a combination of the battery pack and the charger.
Resumen de: US20260265001A1
An automated battery manufacturing system, including a detection unit configured to detect a reject mark on a battery product, a removal unit configured to remove the battery product, and a transport unit configured to transport the battery product to the detection unit and to transport the battery product to the removal unit when the detection unit detects the reject mark on the battery product.
Resumen de: US20260264369A1
A foil for forming packaging units or housing units, including a coupling layer that is configured to bond to a metal foil; a core layer having a layer thickness that is at least greater than half the foil thickness, and a sealing layer that is configured to be in permanent contact with an electrolyte.
Resumen de: US20260269416A1
A battery module may include a battery cell, a module case accommodating a plurality of the battery cells, and a module gas discharge unit that is configured to delay a discharge of flames among flames and gases generated inside the module case and discharge the gases to an outside. In addition, the module gas discharge unit may include check valves installed at each corner portion of an upper surface of the module case.
Nº publicación: US20260269633A1 10/09/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Resumen de: US20260269633A1
A battery management apparatus herein-includes an information obtaining unit configured to measure a cell current of each of a plurality of battery cells and a controller configured to calculate an available capacity of each of the plurality of battery cells, based on the cell current, extract a reference battery cell having a minimum available capacity among available capacities of the plurality of battery cells and set the minimum available capacity as a reference capacity, set a reference depth of discharge (DOD) that is a DOD value set in a random DOD range, calculate a first reference voltage corresponding to the reference DOD of the reference battery cell, and perform balancing on each of the plurality of battery cells based on the first reference voltage.
BOPI
Sede Electrónica
