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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 300 a 325 de 1601
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: US20260074316A1
A charge-discharge circuit and an electric device. The charge-discharge circuit includes a power supply module, a first drive assembly, a second drive assembly, and a first switch module, where the first drive assembly and the second drive assembly are connected in parallel between a positive terminal and a negative terminal of the power supply module; and a terminal of the first switch module is connected to the first drive assembly, and another terminal of the first switch module is connected to the second drive assembly.
Resumen de: US20260074315A1
An energy storage system and a self-heating method therefor are provided. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is lower than a preset permissible operation temperature, an electric energy conversion apparatus is controlled to operate in a reactive operation mode. Since a cooling liquid of the energy storage system can heat conduction with the electric energy conversion apparatus and a battery pack, the battery pack is heated by means of the flow of the cooling liquid; and after the battery temperature reaches the preset permissible operation temperature, the electric energy conversion apparatus can be controlled to operate in a normal operation mode.
Resumen de: US20260074314A1
Proposed is an apparatus for disposing of battery cells, the apparatus comprising, a conveying device conveying a worktable with a battery cell placed thereon in one direction, a guiding device guiding a position where the battery cell is to be placed on the worktable and sensing whether the battery cell is placed on the worktable, a sensing device sensing a presence or absence of a folding portion and a length of a tab of the battery cell, an aligning device aligning the battery cell in a first direction based on the presence or absence of the folding portion and in a second direction based on the length of the tab, a damaging device damaging a part of a pouch film so that an electrode assembly is exposed, and an unloading device making contact with a lower surface of the damaged battery cell and lifting the battery cell from the worktable.
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: US20260074319A1
A thermal management system includes a first liquid pipeline, a second liquid pipeline and a switching valve group, and the switching valve group is connected between the first liquid pipeline and the second liquid pipeline. The switching valve group can be switched between a first working position and a second working position; when the switching valve group is at the first working position, a circulation loop having the first liquid pipeline and a circulation loop having the second liquid pipeline are two circulation loops in which liquid flow circulations do not interfere with each other; and, when the switching valve group is at the second working position, the first liquid pipeline and the second liquid pipeline form a series circulation loop. The thermal management system can meet the working requirements of a device corresponding to a first heat exchanger and a device corresponding to a second heat exchanger.
Resumen de: WO2026051280A1
A cell balancing method, apparatus and device, a readable storage medium and a program product. The method comprises: determining whether a voltage difference between a cell in a battery pack that has the highest current voltage and the remaining cells meets a balancing enabling condition; if the voltage difference meets the balancing enabling condition, entering a first balancing stage, wherein in the first balancing stage, the cell which has the highest current voltage is used to charge, by using a first current, a cell which has the lowest current voltage; and after the first balancing stage is entered, if the voltage difference does not meet the balancing enabling condition, entering a second balancing stage, wherein in the second balancing stage, the cell which has the highest current voltage is used to charge, by using a second current, the cell which is charged by means of the first current in the first balancing stage, and the second current is less than the first current. In the solution disclosed in the present application, the cell which is charged by means of the first current is charged by using a small current, so as to compensate for capacity loss caused by self-discharging of the cell, and reduce the depth of charging and discharging and heat generation of the cell; thus, falsely high capacity and voltage of the cell are avoided, such that the cell can maintain a good state of health.
Resumen de: WO2026051266A1
The present application provides a nitrogen-containing branched polymer, an anion exchange resin, an anion exchange membrane, and an electrochemical device. The nitrogen-containing branched polymer comprises a nitrogen-containing heterocyclic ring, a branched structure and an aryl, wherein the number of branching points of each branched structure is not less than 3, and the aryl is linked with the branching points of the branched structure by means of the nitrogen-containing heterocyclic ring. The molar ratio of the aryl to the branched structure in the nitrogen-containing branched polymer is A:B = 80-99:1-20. The nitrogen-containing branched polymer satisfies: PDI≤2.6, and has a weight-average molecular weight of 40,000 g/mol to 50,000 g/mol.
Resumen de: WO2026051628A1
A secondary battery and an electronic apparatus. The secondary battery comprises: a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are provided on the positive electrode current collector; and the insulating layer comprises boehmite, the positive electrode material layer comprises lithium iron phosphate and lithium manganate, and the electrolyte comprises lithium difluorophosphate. The present application not only improves the floating charge safety of secondary batteries, but also reduces the rate of particle fragmentation.
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: 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.
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.
Resumen de: US20260074629A1
Embodiments of the present disclosure provide a device. The device includes a kinetic energy capture device and a port for an electric connection to an electrically powered device. The kinetic energy capture device converts kinetic energy, provided by a wearer to whom the device is secured, to electric current. The electrically powered device is secured to the wearer. Additionally, the electrically powered device is a different device than the device.
Resumen de: US20260074369A1
Disclosed is a separator for an electrochemical device and an electrochemical device including the same. The separator for the electrochemical device can reduce the weight of the separator, can improve the energy density of a battery, and can enhance stiffness because cellulose nanocrystals are included in a porous polymer base.
Resumen de: US20260074359A1
The present invention relates to a pouch-shaped battery case manufacturing method including (a) locating a laminate sheet for pouch-shaped battery cases on a lower press die, (b) pressing the laminate sheet using an upper press die to form an electrode assembly receiving portion, (c) forming a venting guide portion in the bottom of the electrode assembly receiving portion, and (d) separating a pouch-shaped battery case having the electrode assembly receiving portion and the venting guide portion formed therein from the lower press die.
Nº publicación: US20260074312A1 12/03/2026
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
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.
BOPI
Sede Electrónica
