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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 975 a 1000 de 1724
Resumen de: US20260074185A1
A non-aqueous electrolyte secondary battery comprises an electrode body and an exterior body, and has a volumetric energy density of 600 Wh/L or more. The positive electrode includes: a positive electrode core body; and a positive electrode mixture layer containing a positive electrode active material. The positive electrode active material contains: a lithium-containing composite oxide having a layered rock-salt structure; and a surface modification layer that is present on particle surfaces of the composite oxide. The surface modification layer contains: at least one element of Ca and Sr; and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr. The positive electrode mixture layer has a base weight amount of 250 g/m2 or more. At least three positive electrode leads are connected to the positive electrode.
Resumen de: US20260074186A1
A positive electrode for a rechargeable lithium battery includes: a current collector; a first positive electrode active material layer on a first surface of the current collector; and a second positive electrode active material layer on a second surface of the current collector, wherein the first positive electrode active material layer includes a 1a layer in contact with the current collector and a 1b layer on a surface of the 1a layer, the 1a layer and the 1b layer each include a positive electrode active material and a binder, the 1a layer and the 1b layer have pores, a ratio of a porosity of the 1b layer to a porosity of the 1a layer is about 0.9 to about 1.1, and a thickness ratio of the first positive electrode active material layer to the second positive electrode active material layer is about 1.3:1 to about 3:1.
Resumen de: US20260074381A1
A busbar assembly for an electrical cell module is disclosed having a pair of opposing module end plates supporting an adjacent pair of cell stacks. The assembly includes a frame member having first and second engaging means to cooperatingly mount the busbar assembly, in an assembled position, to the module end plates, and a receiving portion having a series of apertures, extending between upper and lower faces. The assembly includes a plurality of busbar elements, each having a first surface and an opposing second surface, wherein each aperture of the receiving portion receivingly engages at least one busbar element with its first surface oriented towards the lower face. Each aperture includes a support portion and a retaining protrusion to cooperatingly restrict relative movement of the busbar elements between the upper lower faces of the receiving portion as the assembly is mounted to the electrical cell module in the assembled position.
Resumen de: US20260074350A1
An energy storage/battery system is disclosed. The system can include a multi-voltage configurable module (MVCM) and a multi-voltage configurable backplane (MVCB) that form the system. The system can be dynamically controlled to bring MVCMs on or offline to deliver power and capacity to a device. The MVCM can include a main housing with first cavities extending through the main housing to receive battery cells and second cavities in which printed circuit boards can be positioned to support the battery cells. The MVCB can include separable main housing sections.
Resumen de: US20260074347A1
A battery pack according to the present disclosure includes a battery case, a battery module, a first fastening member, a second fastening member, and a thermal conduction member. The battery case includes an upper case and a lower case. The battery module is stored in the battery case. The battery module includes a plurality of battery cells that is stacked in the battery module. The first fastening member is configured to fasten the top plate section of the upper case and the battery module. The second fastening member is configured to fasten the bottom plate section of the lower case and the battery module. The thermal conduction member is provided in contact with the upper surface of the battery module and the inner surface of the top plate section, between the battery module and the top plate section.
Resumen de: US20260074382A1
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case that is connected to the first electrode and accommodates the electrode assembly, and includes an opening; a cap plate that is coupled to the case to cover an outer area of the opening and includes a through-hole exposing a central area of the opening; a terminal plate that is connected to the second electrode and is insulation-bonded to the cap plate so as to cover the through-hole; and a thermal-fusion layer that is positioned between the cap plate and the terminal plate and insulation-bonds the cap plate and the terminal plate, and the cap plate includes a plating layer that is directly bonded to the thermal-fusion layer.
Resumen de: US20260074535A1
According to an embodiment, a battery module includes a cell group in which a first cell and a second cell are connected in parallel, a first circuit breaker mechanism configured to disconnect connection between the first cell and the second cell when a temperature of the first cell is equal to or higher than a first temperature, and a connection mechanism configured to connect the first cell to a discharge circuit when the temperature of the first cell is equal to or higher than a second temperature higher than the first temperature.
Resumen de: WO2026051195A1
The present invention relates to the technical field of positive electrode sheets of lithium batteries, and in particular relates to preparation methods for and the use of a polyamide-imide binder and a positive electrode sheet. The polyamide-imide binder is a high-molecular polymer prepared by polymerizing a diamine monomer and a dianhydride monomer to prepare a polyamide acid intermediate, then adding a diisocyanate thereto and performing cross-linking. The polyamide-imide binder comprises both amide groups and imide groups, and has a number-average molecular weight of 50,000-300,000. The positive electrode sheet comprises the polyamide-imide binder. In the polyamide-imide binder, some amide groups are added on the basis of polyimide, thereby retaining high tensile strength and elasticity modulus of the imide groups, improving the flexibility and impact resistance of the electrode sheet, lowering the cracking risk of the electrode sheet, enhancing the capacity retention ratio and safety of a battery and prolonging the service life; moreover, the energy density of the battery can be further improved by means of thick coating.
Resumen de: WO2026051479A1
A polymer electrolyte membrane, a battery cell, a battery device, and an electric device. The polymer electrolyte membrane comprises a first polymer electrolyte membrane and a second polymer electrolyte membrane which are stacked; the first polymer electrolyte membrane comprises a first polymer, a first plasticizer, and a first electrolyte salt, and the second polymer electrolyte membrane comprises a single-ion conducting polymer electrolyte. The polymer electrolyte membrane is used in the battery cell so that the battery cell has good cycle performance.
Resumen de: WO2026051430A1
Disclosed are an identification method, a battery system (10), an energy storage power source (100) and a storage medium. The identification method is used for a battery system (10), wherein the battery system (10) comprises a plurality of battery modules (11), each battery module (11) comprises a battery management system board (111), and the battery management system board (111) comprises an input interface (1111). The identification method comprises: acquiring a level of the input interface (1111) of the battery management system board (111); when the level of the input interface (1111) is a low level, determining that a battery module (11) corresponding to the battery management system board (111) is a master module; and when the level of the input interface (1111) is a high level, determining that the battery module (11) corresponding to the battery management system board (111) is a slave module.
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: US20260074534A1
A charging apparatus is provided according to some embodiments. The charging apparatus includes (1) charging circuitry configured to connect to a plurality of battery packs in parallel and (2) processing circuitry configured to control the charging circuitry by: (a) obtaining a voltage reading from each of the plurality of battery packs; (b) initially setting a charging voltage of a charger to a lowest voltage reading obtained from any of the plurality of battery packs; (c) while applying the charging voltage to the plurality of battery packs, obtaining a current reading from each of the plurality of battery packs that is charging; and (d) in response to the obtained current reading from a battery pack being below a minimum threshold current, increasing the charging voltage by a voltage step value. A similar method and computer program product are also provided.
Resumen de: US20260074530A1
The present disclosure provides a marine starter battery management system and a method for monitoring its low-temperature charging and discharging. The system comprises a battery management unit, a heating circuit, a high-current charge/discharge drive circuit, a passive balancing circuit, a voltage spike suppression circuit, a soft-start circuit, and a processing unit. The processing unit is electrically connected to these components. Based on battery state parameters, the processing unit controls in real-time the operating states and sequences of the heating circuit, the high-current drive circuit, the passive balancing circuit, the voltage spike suppression circuit, and the soft-start circuit. This intelligent, coordinated control of the various functional modules improves the safety, reliability, and performance of the marine starter battery, particularly in demanding low-temperature environments.
Resumen de: US20260074532A1
A programmable battery pack including a switch arrangement module having at least one rechargeable battery with and at least one single pole single throw (SPST) switch, a system power supply having at least one linear regulator and at least one single pole single throw (SPST) switch, at least one controller module having a micro-controller executing a pre-programmed firmware, and an external power supply.
Nº publicación: US20260074311A1 12/03/2026
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Resumen de: US20260074311A1
The manufacturing method of the nonaqueous electrolyte secondary battery is provided, which includes a construction step for constructing a secondary battery whose volume is equal to or more than at least 500 cm3, an initial electrically charging step for electrically charging the secondary battery until a SOC becomes 20% to 39%, a high temperature aging step for heating up and holding the secondary battery in a high temperature range, a room temperature aging step for cooling down the secondary battery being in the high temperature range and then holding the secondary battery in a room temperature range, and an inspecting resistance step for calculating an internal resistance of the secondary battery while the secondary battery is maintained in the room temperature range.
BOPI
Sede Electrónica
