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1729
results.
Updated on
19/03/2026 [07:23:00]
Results 425 to 450 of 1729
Absstract of: 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%.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US20260074554A1
A power generation system, including: a container having an interior volume; a fuel cell compartment, which is a portion of the interior volume that is defined by one or more fuel-cell-partitions in the container; a fuel cell located within the fuel cell compartment; a battery compartment, which is a portion of the interior volume that is defined by one or more battery-partitions; a battery located within the battery compartment; a control compartment, which is a portion of the interior volume that is: separated from the fuel cell compartment by the one or more fuel-cell-partitions; separated from the battery compartment by the one or more battery-partitions; an outflow vent; and a fan configured to reduce the air pressure in the fuel cell compartment such that air is drawn through the battery compartment and the fuel cell compartment and exits the container through the outflow vent.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US20260074288A1
A lithium secondary battery and an electrical apparatus. The lithium secondary battery includes a positive electrode plate and an electrolyte solution, where the positive electrode plate includes a positive electrode active material layer containing a positive electrode active material, and the positive electrode active material includes at least one doping element selected from aluminum, zirconium, boron, magnesium, zinc, calcium and titanium; the electrolyte solution includes a silane-based first additive containing C2-C8 alkenyl and a second additive, and the second additive is selected from at least one of lithium fluorosulfonate, lithium bis(fluorosulfonyl)imide and lithium tetrafluoroborate; and the ratio of the mass percentage content W1 of the first additive in the electrolyte solution to the mass percentage content W2 of the second additive in the electrolyte solution to the mass percentage content W3 of the doping element in the positive electrode active material satisfies 1:(0.2-2):(0.1-0.5).
Absstract of: US20260074281A1
An electrolyte for a rechargeable lithium battery of exemplary embodiments includes: an organic solvent; a lithium salt; and a bisphosphate-based additive, thereby providing an electrolyte for a rechargeable lithium battery capable of imparting improved flame retardant characteristics and cell performance, for example, high-temperature storage characteristics and lifespan characteristics, and a rechargeable lithium battery including the same.
Absstract of: US20260074283A1
Provided is a lithium-ion battery, comprising a positive electrode plate, a negative electrode plate and a non-aqueous electrolyte. The positive electrode plate comprises a positive electrode current collector and a positive electrode material layer arranged on the positive electrode current collector, and the positive electrode plate has a resistivity less than or equal to 1500 Ω·cm. The non-aqueous electrolyte comprises a non-aqueous organic solvent, a lithium salt and an additive; the additive comprises at least one cyclic sulfonic acid ester selected from 1,3-propane sultone, 1,4-butane sultone, 1,3-propylene sultone and methylene methane disulfonate; the lithium-ion battery meets the following requirements: 0.3≤m*d/f≤20, 70≤d≤150, 3≤f≤30 and 0.01≤m≤3. The lithium-ion battery forms a relatively stable interfacial film during formation, which is beneficial to improving the structural stability of the positive electrode active material, inhibiting the dissolution of metal ions, and avoiding the consumption and decomposition of non-aqueous electrolyte in the cycle process.
Absstract of: US20260074282A1
Provided are a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same and having improved high-temperature storage characteristics and high-temperature cycle characteristics. Specifically, the non-aqueous electrolyte solution may comprise a lithium salt, an organic solvent and a compound represented by Formula 1 as a first additive:wherein Formula 1,Ar is a 5-membered or 6-membered nitrogen-containing ring,and R1 and R2 are each independently an alkyl group having 1 to 8 carbon atoms.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Nº publicación: US20260074369A1 12/03/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Absstract of: 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.
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