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1380
resultados
Última actualización
14/03/2026 [07:18:00]
Resultados 225 a 250 de 1380
Resumen de: US20260074313A1
Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter into a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.
Resumen de: US20260074215A1
The present disclosure relates to a positive electrode active material including: a lithium nickel-based transition metal oxide with a large particle diameter and a lithium nickel-based transition metal oxide with a small particle diameter. The lithium nickel-based transition metal oxide with a large particle diameter is a secondary particle. The lithium nickel-based transition metal oxide with a small particle diameter is a single particle formed of one nodule and/or a quasi-single particle that is a composite of 30 or less nodules. The lithium nickel-based transition metal oxide with a large particle diameter has a D50 of 5 μm to 30 μm, a Z value defined by factors of roundness distribution characteristics of 1.0 to 9.0, and a negative skewness factor (NSF) of 0.1 to 0.9. Use of the positive electrode active material in a lithium secondary battery results in improved lifespan and/or output characteristics of the battery.
Resumen de: US20260074212A1
A positive electrode active material for lithium-ion batteries may include a compound represented by the general formula Li1.10-aMn0.52+aNi0.38-xCoxO2 wherein 0
Resumen de: US20260074213A1
A cathode for a lithium secondary battery according to exemplary embodiments may include: a cathode current collector; and a cathode active material layer formed on the cathode current collector. The cathode active material layer may include: a first cathode active material layer formed on the cathode current collector, and including first lithium metal oxide particles having a form of secondary particles; a second cathode active material layer formed on the first cathode active material layer, and including second lithium metal oxide particles having a form of single particles; and a third cathode active material layer formed on the second cathode active material layer, and including third lithium metal oxide particles having a form of secondary particles.
Resumen de: US20260074227A1
The present disclosure relates to an electrode for a secondary battery and a secondary battery including the electrode. According to embodiments of the present disclosure, the electrode for a secondary battery includes: an electrode current collector, a first electrode active material layer disposed on the electrode current collector, and including a first electrode active material, a first binder including a fluorine-based binder and a first solid electrolyte; and a second electrode active material layer disposed on the first electrode active material layer, and including a second electrode active material, a second binder including a hydrocarbon-based binder and a second solid electrolyte.
Resumen de: US20260074217A1
A cathode active material for secondary battery according to the present disclosure includes lithium metal oxide particles. The lithium metal oxide particles include nickel, include or do not include cobalt, and have a single particle structure. Based on a total number of moles of elements excluding lithium and oxygen in the lithium metal oxide particles, a content of nickel is 70 mol % to 85 mol %, and a content of cobalt is 0.1 times or less than the content of nickel. A (104) plane grain size of the lithium metal oxide particles calculated through X-ray diffraction (XRD) analysis is 400 nm to 700 nm.
Resumen de: US20260074190A1
A negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode, are provided. The negative electrode includes a negative electrode current collector layer, a first negative electrode active material layer provided on a surface of the negative electrode current collector layer, and a second negative electrode active material layer provided on a surface of the first negative electrode active material layer opposite to a surface of the first negative electrode active material layer facing the negative electrode current collector layer.
Resumen de: US20260074187A1
Provided an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrode including a current collector and a first active material layer disposed on the current collector and including a first active material, and a second active material layer disposed on the first active material layer and including a second active material, wherein a porosity of the first active material layer is 8% to 12% and a porosity of the second active material layer is 16% to 22%.
Resumen de: US20260074184A1
The present disclosure relates to an electrode assembly including a first electrode portion including a plurality of electrodes, a separator, and an electrode tab on each of the plurality of electrodes. The electrode assembly may further include a second electrode portion on at least one surface of the first electrode portion and electrically connected to the electrode tab.
Resumen de: US20260074176A1
A method of manufacturing a battery includes providing a slurry including carbon nanotubes, a binder, and a solvent. Then, operating an ultrasonic homogenizer to form a suspension including the carbon nanotubes and the binder within the solvent. Then, applying a layer of the suspension to a current collector of the battery. Finally, with the layer of the suspension applied to the current collector, applying an electrode coating of the battery to the layer of the suspension.
Resumen de: US20260074195A1
A composition includes a core-shell structure. The core-shell structure includes a core material and a shell material. The shell material is farther away from a center of the core-shell structure than the core material. The core material includes a structural element oxide. The structural element oxide includes a structural element. The structural element includes at least two selected from the group consisting of lithium, titanium, niobium, cobalt, copper, tin, silicon, iron, manganese and nickel. The shell material includes a mixed material. The mixed material includes a modified silicon material. The modified silicon material includes a silicon material and a polymer.
Resumen de: US20260074182A1
The present disclosure relates to battery plates which are useful in optimizing the power and energy density of a batter assembly by having discrete active materials. The present disclosure relates to a battery plate having: a) a substrate having a first surface opposing a second surface; b) one or more active materials disposed on the first surface, second surface, or both the first surface and the second surface of the substrate; and wherein the one or more active materials include two or more discrete active material regions.
Resumen de: US20260074312A1
A method of manufacturing a non-aqueous electrolyte secondary battery includes the steps of obtaining a battery assembly, charging, and sealing. The battery assembly includes an electrode body, a non-aqueous electrolyte solution, and a battery case including a through hole. The step of charging involves charging the battery assembly. The step of sealing involves sealing the through hole with a sealing member after the charging step. In the step of charging, the charging is performed under a charging condition that causes a temperature of a gas inside the battery case increases. The step of sealing is performed while keeping the temperature inside the battery case having been increased. After the step of sealing, the temperature inside the battery case decreases, and the gas inside the battery case contracts, to thereby cause a contraction and/or an internal pressure decrease of the battery case.
Resumen de: US20260074306A1
A battery management system includes: a storage unit that stores first hopping history data for a plurality of channels associated with a first battery management module among a plurality of battery management modules, a model generation unit that generates a first probability distribution model associated with the first battery management module based on the first hopping history data, and a communication unit that allocates a first channel among the plurality of channels to the first battery management module using a frequency hopping method, sets first communication properties associated with the first channel based on the first probability distribution model, and performs wireless communication with the first battery management module through the first channel using the first communication properties.
Resumen de: US20260074308A1
A battery cell replacement detection apparatus includes a memory, and a processor configured to obtain cell data related to charging of a battery from a battery management system (BMS), to compare the cell data with data stored in the memory, and to determine whether a battery cell has been replaced.
Resumen de: US20260074309A1
A hydrogen sulfide detection device includes a wire that electrically connects a first node and a second node, and a monitoring circuit that monitors a voltage between the first node and the second node. The wire includes a plurality of metal exposed portions in which a metal that reacts with the hydrogen sulfide to corrode is exposed.
Resumen de: US20260074307A1
A battery ECU calculates a gas generation amount generated in a case, and calculates a gas permeation amount corresponding to an amount of leakage of the gas out of the case. The battery ECU calculates an internal gas amount that is a gas amount inside the battery, by subtracting the gas permeation amount from the gas generation amount. Further, the battery ECU calculates an electrolyte solution permeation amount corresponding to an amount of leakage of an electrolyte solution out of the case, and calculates an internal void volume that is a void volume inside the battery, by adding the electrolyte solution permeation amount and an initial void volume. Then, the battery ECU calculates a battery internal pressure that is a pressure in the case, based on the internal gas amount and the internal void volume.
Resumen de: US20260074216A1
Disclosed are positive electrodes, all-solid-state batteries, and fabrication methods thereof. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a sulfide-based solid electrolyte, a binder that includes a first non-aqueous binder and a second non-aqueous binder, and a positive electrode active material. The first non-aqueous binder includes a fluorine-based binder. The second non-aqueous binder includes an acrylate-based binder.
Resumen de: US20260074200A1
A coated active material (100) of the present disclosure includes: a positive electrode active material (11); lithium hydrogen carbonate present on a surface of the positive electrode active material (11); and a coating layer (12) coating at least a portion of the surface of the positive electrode active material (11). The coating layer (12) includes a lithium-containing fluoride. When a mass of the lithium hydrogen carbonate present on the surface of the positive electrode active material (11) is measured by thermogravimetry-mass spectrometry, a proportion R1 of the mass of the lithium hydrogen carbonate in a mass of the positive electrode active material (11) is 130 ppm or more and 580 ppm or less.
Resumen de: US20260074202A1
Described herein is a molten-salt Na—O2 battery which includes a first electrode including liquid Na in direct contact with a solid-state electrolyte; and a composite second electrode in contact with the solid-state electrolyte, wherein the composite second electrode includes: particles having an oxygen-active metal surface; and a molten salt comprising redox-active ions; and O2 in contact with the composite second electrode; where the solid-state electrolyte is disposed between the first electrode and the composite second electrode. Methods of making the battery and methods of producing electricity with the battery are also described.
Resumen de: US20260074226A1
Disclosed are electrodes, rechargeable lithium batteries, and fabrication methods thereof. The electrode includes a current collector, and an electrode active material layer on the current collector. The electrode active material layer includes a groove. The groove includes a filler including a first binder. The first binder in the filler is present in an amount that is equal to or greater than about 90 wt %.
Resumen de: US20260074218A1
A positive electrode active material for a lithium-ion secondary battery, containing, as a main component, a lithium transition metal composite oxide that is in a form of a particle having an outer layer on a surface thereof, and is represented by:where 0.95≤x≤1.05, 0.78≤y≤0.95, 0.01≤z≤0.15, and 0.01≤w≤0.15, and x+y+z+w=2,a ratio between a ratio of the number of atoms of Fe to that of Ni in the outer layer and a ratio of the number of atoms of Fe to that of Ni in the entire particle is 0.7 to 1.7, inclusive anda ratio (I1/I2) between integrated intensities (I1) and (I2) of diffraction peaks of a 003 plane and a 104 plane, respectively, in a space group R-3m is 1.15 to 1.35, inclusive.
Resumen de: US20260074175A1
A cylindrical battery which is one example of an embodiment of the present invention comprises, as an electrode plate, an electrode that includes a positive electrode plate and a negative electrode plate. The electrode plate includes: a core; a mix layer which is formed on the core; a lead which is connected to an exposed section of the core at which the surface thereof is exposed; and an identification display. In the exposed section, at least a part of the identification display is formed within a projection range in which the contour of the lead is projected.
Resumen de: US20260072410A1
A novel electronic device is provided. Alternatively an electronic device of a novel embodiment is provided. An electronic device includes a support and a display portion. The support has a first curved surface. The display portion is provided over the support. The display portion has a top surface and a side surface in contact with at least one side of the top surface. The side surface has a second curved surface. The top surface includes a first display region. The side surface includes a second display region. The first display region and the second display region are continuously provided.
Nº publicación: US20260075765A1 12/03/2026
Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]
Samsung Electronics Co., Ltd
Resumen de: US20260075765A1
A vehicle system may include a heat management system configured to control the first valve with respect to connecting a battery pack cooling line to a automotive storage device cooling line and a radiator cooling line to a first chiller cooling line that is connected to the battery pack cooling line, and to control the second valve with respect to connecting a motor cooling line to the radiator cooling line, in response to a temperature of a vehicle is higher than a first threshold temperature.
BOPI
Sede Electrónica
