Resumen de: US20260321590A1
A positive electrode active material, which has a high capacity and excellent charge and discharge cycle performance, for a lithium-ion secondary battery is provided. Alternatively, a positive electrode active material that inhibits a decrease in capacity in charge and discharge cycles when used in a lithium-ion secondary battery is provided. Alternatively, a high-capacity secondary battery is provided. Alternatively, a highly safe or reliable secondary battery is provided. The positive electrode active material contains a first substance including a first crack and a second substance positioned inside the first crack. The first substance contains one or more of cobalt, manganese, and nickel, lithium, oxygen, magnesium, and fluorine. The second substance contains phosphorus and oxygen.
Resumen de: US20260319444A1
A monitoring system according to an embodiment disclosed in this document may include a data management unit configured to acquire drive data of a motor associated with a battery manufacturing device over time and extract a parameter representing a characteristic of the drive data by applying the drive data to an artificial intelligence model, and a controller configured to generate reference information for managing the state of the motor based on the parameter.
Resumen de: US20260321870A1
0000 A battery cell casing includes a shell (1) and a pressure relief mechanism (2), where the shell (1) is provided with a through-hole (20), the pressure relief mechanism (2) is disposed at the through-hole (20), and the pressure relief mechanism (2) includes an adhesive film (21) and a cover sheet (22). The cover sheet (22) is bonded to the shell (1) via the adhesive film (21) and covers the through-hole (20), and the adhesive film (21) is capable of melting under heat to form a pressure relief passage connecting the interior and exterior of the shell (1). A bonding area between the cover sheet (22) and the shell (1) is A, a cross-sectional area of the through-hole (20) covered by the cover sheet (22) is B, and 0000 1.778 ≤ A B ≤ 1 6 . 3 6 1 .
Resumen de: US20260321629A1
This application relates to a technical field of lithium-ion batteries, and more specifically, to a modified cathode material, a preparation method therefor, and an application thereof. Elements within particles of the modified cathode material are uniformly distributed, and the modified cathode material has a chemical formula of LiaFebMncMdPO4, M is a dopant element. The preparation method, includes: dissolving a raw material for preparing particles of the modified cathode material, in an organic solvent to form a gel; subjecting the gel to a heating and combustion treatment to obtain a fluffy, porous precursor powder; and subjecting the precursor powder to a sintering treatment to obtain the modified cathode material.
Resumen de: US20260316612A1
0000 A system for electric vehicle charging and hydrogen fueling leverages existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a pressure vessel. A first portion of the stored hydrogen gas may be used for hydrogen fueling of a fuel cell electric vehicle (FCEV) via a hydrogen fuel dispenser that is provided at a charging station. A second portion of the stored hydrogen gas may be converted into electricity through use of one or more fuel cells. The generated electricity may be used for charging a battery of a battery electric vehicle (BEV) via an electric vehicle charging dispenser that is also provided at the charging station.
Resumen de: US20260314703A1
0000 A control method for an aerosol generating device and an aerosol generating device. The method includes the following operations. A starting request signal is received. The starting request signal is a signal for requesting to start a heater to heat the aerosol generating product. An aerosol generating device is determined in a warm starting state. A starting parameter is determined according to cooling information and heating information. The starting information includes at least one of a target starting moment of the heater and a target starting temperature of the heater. The cooling information is information of changes of the temperature of the heater along with time after the heater is turned off. The heating information is information of changes of the temperature of the heater along with time when the aerosol generating device is started from a cold starting state. The heater is started according to the starting parameter.
Resumen de: US20260321937A1
0000 The embodiments of the present application provide a battery infiltration method, a device, a system and a storage medium, wherein the method comprises: determining a target voltage based on the battery system parameters of a battery, the target voltage affecting the infiltration performance of an electrolyte on a battery electrode plate; wherein the target voltage is determined from a voltage application range corresponding to the battery system parameters, the voltage application range is determined based on the battery system parameters of the battery; after the electrolyte is injected into the battery and before the electrolyte reacts with the battery electrode plate, generating a voltage application instruction corresponding to the target voltage; wherein the voltage application instruction is used to apply the target voltage to the battery, so as to improve the infiltration performance of the electrolyte on the battery electrode plate. The aembodiments of the present application can conveniently and quickly increase in the battery infiltration speed.
Resumen de: US20260321795A1
A thermal management system, including a coolant circulation system, a refrigerant circulation system, and a heat exchange component is provided. The refrigerant circulation system includes a refrigerant flow channel plate, refrigerant flow channels are integrated into the refrigerant flow channel plate. The coolant circulation system includes a first coolant flow channel plate and a second coolant flow channel plate, and coolant flow channels of the first coolant flow channel plate communicate with coolant flow channels of the second coolant flow channel plate. The refrigerant flow channel plate and the two coolant flow channel plates are stacked, to improve mounting and maintenance. In addition, the coolant flow channels configured to communicate components of the coolant circulation system are distributed and stacked on the two coolant flow channel plates, to reduce the area occupied by the coolant flow channel plates, and to simplify the arrangement of the coolant flow channels.
Resumen de: US20260321838A1
An energy storage module and a sealing structure thereof. The sealing structure comprises a bottom plate, an enclosure portion and a potting adhesive, wherein the bottom of the enclosure portion is connected to the bottom plate in a sealed manner; a module unit body is loaded in an enclosed space of the enclosure portion; and the potting adhesive is potted into an opening in the top of the enclosure portion and covers the top of the module unit body.
Resumen de: US20260321876A1
A battery pack (10) includes an accommodation body (200) defining an accommodation space (250) in which a battery module (100) is accommodated, a central interior space (260) through which gas generated from the accommodation space (250) passes, and a plurality of large communicating holes (270L) and a plurality of small communicating holes (270S) through which the accommodation space (250) and the central interior space (260) communicate with each other, and a pressure relief valve (280) for discharging the gas from the central interior space (260) to the exterior space. The length of the central interior space (260) between the pressure relief valve (280) and each of the large communicating holes (270L) is greater than the length of the central interior space (260) between the pressure relief valve (280) and each of the small communicating holes (270S).
Resumen de: US20260319779A1
A method of updating firmware of a battery pack includes transmitting battery data indicating a state of a battery cell included in the battery pack to a server, receiving an update mode entry request for firmware update from the server, receiving encrypted battery data, which is data obtained by encrypting the battery data, from the server, decrypting the encrypted battery data, comparing the decrypted battery data with the battery data stored in the battery pack, and updating firmware stored in the battery pack by using firmware received from the server, when the decrypted battery data is the same as the battery data stored in the battery pack.
Resumen de: US20260321790A1
The present application relates to the field of batteries, and provides a thermal management system and a control method therefor, an energy storage system, and an electric apparatus. The thermal management system comprises a first confluence unit, a second confluence unit, a thermal management unit, and an adjustment apparatus. The first confluence unit comprises at least one liquid outlet; the second confluence unit comprises at least one liquid return port; the thermal management unit comprises a plurality of refrigerating branches, and the plurality of refrigerating branches are respectively in fluid connection with the first confluence unit and the second confluence unit in a parallel mode; the adjustment apparatus is used for adjusting the refrigerating capacity of at least one refrigerating branch among the plurality of refrigerating branches.
Resumen de: AT18845U1
0001 Ein Verfahren zur Steuerung einer Batterieladevorrichtung (1) für einen Ladevorgang eines Energiespeichers (5) mit zumindest einer Zelle (6) auf Lithium-Basis umfasst die Schritte: Ermitteln einer Zellspannung (UZelle) der Zelle (6) und Zuführen eines konstanten Ladestroms (ICC) an die Zelle (6), wenn die ermittelte Zellspannung (UZelle) kleiner als ein erster Schwellenwert (UT) ist, sowie Überwachen der Zellspannung (UZelle). Wenn die überwachte Zellspannung (UZelle) größer als ein zweiter Schwellenwert (UT2) ist, erfolgt Zuführen eines Ladestroms (ICP) kleiner als der konstante Ladestrom (ICC) an die Zelle (6) und Überwachen der Zellspannung (UZelle). Das Verfahren ermittelt eine Temperatur des Energiespeichers (5) und stellt den zweiten Schwellenwert (UT2) in Abhängigkeit von der ermittelten Temperatur des Energiespeichers (5) ein.
Resumen de: US20260317196A1
A cathode active material for a lithium secondary battery according to an embodiment of the present invention has a structure of a lithium-nickel-based composite oxide. A crystallite size ratio obtained by an XRD analysis is in a range from 1.5 to 3.5, and D(003) exceeds 200 nm. The crystallite size is adjusted to promote movement of lithium ions in the cathode active material so that an initial efficiency of a lithium secondary battery is improved.
Resumen de: US20260317175A1
A method of producing a particulate lithium metal oxide cathode material comprising the steps of providing an organic acid, providing a lithium compound, and providing a metal compound. The organic acid, the lithium compound, and the metal compound are mixed to form a mixture. The organic acid is melted to form a liquid organic acid, if the organic acid is provided as a solid. The mixture, including the liquid organic acid, is calcined in an atmosphere containing oxygen to form a lithium metal oxide. The lithium metal oxide is cooled and sized to produce the particulate lithium metal oxide having a predetermined average particle size.
Resumen de: US20260316251A1
An energy supply device for a power tool, the energy supply device being detachably connectable to the power tool. The energy supply device has a single piece lock and actuator for locking the energy supply device in the power tool, the lock and actuator being mounted rotatably about an axis of rotation, the axis of rotation running through a pivot point of the lock and actuator. A prestressing element presses the lock and actuator into an undercut in the power tool. In a second aspect, the invention relates to a power tool having the energy supply device.
Resumen de: US20260315750A1
0000 A catheter assembly includes: a needle assembly extending in a longitudinal direction and including: a catheter hub holding a catheter, an inner needle inserted through the catheter and configured to be punctured into a treatment target, an inner needle hub holding the inner needle, a safety member that is movable together with the catheter hub and configured to advance beyond a needle tip of the inner needle, and a catheter operation member configured for a user to operate movement of the catheter, the catheter hub and the safety member, wherein the catheter operation member is attached to the safety member and is separable from the safety member upon movement of the safety member to an advanced position; and a grip that accommodates the needle assembly, wherein the grip includes a first member and a second member that are separable from one another in a direction orthogonal to the longitudinal direction.
Resumen de: US20260321584A1
0000 A electrode piece and a battery, where the electrode piece includes a current collector and a functional layer arranged on a first surface of the current collector, a tab is further arranged in middle of the first surface, and the functional layer on the first surface has a first slope area near the tab and a first normal area away from the tab, and a thickness of the first slope area gradually decreases along a direction towards the tab. The present disclosure can improve performances of the battery, such as rate capacity, safety and the like.
Resumen de: US20260322154A1
0000 A rechargeable battery charging device for charging a deeply discharged battery includes a rechargeable battery having a positive terminal and a negative terminal, a positive battery cable connected or connectable to the positive terminal of the rechargeable battery, a negative battery cable connected or connectable to the negative terminal of the rechargeable battery, a detector for measuring an output voltage of the deeply discharged battery, and a controller configured to control charging of the deeply discharged battery. The controller is configured to, based on the output voltage of the deeply discharged battery being at or near zero volts, prevent the battery charging device from all charging of the deeply discharged battery with a low-voltage safety check that prevents the battery charging device from any charging of the deeply discharged battery when no battery voltage is detected. The controller is further configured to receive a user input to enter force mode, and while in force mode, charge the deeply discharged battery, by-passing the low-voltage safety check.
Resumen de: US20260321799A1
The present application discloses a high-temperature-resistant insulating film comprising an upper additional layer, a mica layer, and a lower additional layer. The high-temperature-resistant insulating film not only possesses excellent high-temperature resistance, superior mechanical performance, and exceptional insulation performance but also has significantly lower costs compared to conventional plastic films.
Resumen de: US20260321666A1
A current collector, an electrode sheet and a battery. The current collector comprises: n non-conductive layers and n+1 conductive layers, wherein the n non-conductive layers and the n+1 conductive layers are alternately stacked, and the outermost layer is the conductive layer, n being an integer greater than 1; and each non-conductive layer comprises one non-conductive metal layer or a plurality of stacked non-conductive metal layers, and each conductive layer comprises at least one metal conductive layer. The current collector has high safety, low processing difficulty, low cost and a high yield.
Resumen de: US20260321589A1
This application discloses a positive electrode plate, a secondary battery, and an electric apparatus. The positive electrode plate includes a positive electrode active material layer that includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material includes LiaNibCocM1dM2eOfR′g, where 0.75≤a≤1.2, 0
Resumen de: US20260321782A1
The present disclosure provides a battery module including a plurality of cells, a cooling plate, and a battery pack. The battery module includes a plurality of cell groups; and a plurality of cooling plates disposed between two adjacent cell groups. Each of the plurality of cooling plates further includes a plurality of first partition walls and a plurality of second partition walls. The fluid channel is divided into a plurality of first flow channels through the plurality of first partition walls. The first flow channel is divided into at least two second flow channels through the second partition wall.
Resumen de: US20260321905A1
0000 A busbar assembly includes a busbar for providing electrical connection at a battery pack; a fire resistant silicone layer that is disposed at an outer peripheral surface of the busbar; and a glass fiber tape that surrounds the fire resistant silicone layer. A plurality of grooves are formed at the fire resistant silicone layer.
Nº publicación: US20260319023A1 15/10/2026
Solicitante:
MONA INC [KR]
MONA INC.
Resumen de: US20260319023A1
Disclosed are a method of identifying a connection failure in a battery module, and a battery module diagnostic apparatus. The battery module diagnostic apparatus measures a first impedance of the battery module, calculates a second impedance by measuring impedances of the plurality of cell modules, respectively, and summing the measured impedances, and determines whether a connection failure exists in the battery module, based on a difference between the first impedance and the second impedance. This application was supported by the Regulation-Free Special Zone project of the Ministry of SMEs and Startups of the Republic of Korea (Project No.: P0023243, Project Identification No.: 1425182671, Managed by: Korea Institute for Advancement of Technology, Project Title: Demonstration of Driving Stability of Converted Electric Vehicles).