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1500
resultados
Última actualización
27/06/2026 [07:57:00]
Resumen de: US20260180132A1
A terminal post welding device and a battery assembling system, wherein the terminal post welding device comprises: a battery cell fixing assembly, a first tab pressing plate unit and a welding assembly, wherein the battery cell fixing assembly is used to support and fix a battery cell arranged in a lying-down state; the first tab pressing plate unit comprises a first driving assembly and a first tab pressing plate, the first tab pressing plate is mounted on the first driving assembly, and the first driving assembly is used to drive the first tab pressing plate to move so that the first tab pressing plate presses the tab portion of the battery cell onto the terminal post of the battery cell; the welding assembly is configured to weld the tab portion and the terminal post that are pressed together.
Resumen de: US20260179959A1
The present invention relates to a lithium-ion battery (LiB) having a binder-free anode comprising an active material and about 1-5% by weight of single wall carbon nanotubes (SWCNT) as a conductive additive, wherein the SWCNT has an inorganic impurity content of less than 10% by weight. The LiB of the present invention having a binder-free anode, provides higher capacity than a LiB having an anode that contains a polymeric binder.
Resumen de: AU2024379962A1
A method of controlling aircraft power distribution, comprising: receiving, at a control circuit in an aircraft, a selection of one of at least three aircraft modes of operation from a user input device, and controlling, via the control circuit, power distribution within the aircraft based on the selected mode of operation, wherein controlling power distribution based on the selected mode of operation comprises: separately controlling via the control circuit, based on the selected mode of operation, high voltage power to at least one electric propulsion unit and high voltage power to at least one non-propulsion load.
Resumen de: US20260180074A1
A battery module may include a plurality of battery cells, a case configured to accommodate the plurality of battery cells and having a venting hole formed therein so that flame or gas is configured to be discharged through the venting hole, and a blocking member configured to block a portion of the case in which the venting hole is not formed during a thermal event.
Resumen de: US20260180096A1
Provided are a battery cell, a battery, and a power-consuming device. The battery cell includes a housing, an electrode assembly, and an insulator. The electrode assembly is accommodated within the housing and is formed by winding and/or stacking electrode plates. The electrode assembly has a first end surface, and the insulator is at least partially disposed between the first end surface and the housing. A portion of the insulator opposite the first end surface is provided with at least one first through hole, where the first through hole is strip-shaped. A length direction of the first through hole is parallel to or inclined relative to a stacking direction of electrode plates exposed by the first through hole. According to the technical solutions of the present application, battery yield can be improved, thereby reducing production costs.
Resumen de: US20260179935A1
Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt; a non-aqueous organic solvent including a solvent represented by Chemical Formula 1; and an additive represented by Chemical Formula 2:(The description of each chemical formula follows the specification.)
Resumen de: US20260179957A1
Provided is a secondary battery including: a positive electrode including a positive electrode current collector and a positive electrode active material layer located on the positive electrode current collector and including a positive electrode active material, a positive electrode conductive material and a positive electrode binder, wherein the positive electrode binder is fiberized and binds the positive electrode active material and the positive electrode conductive material; a negative electrode including a negative electrode current collector and a negative electrode active material layer located on the negative electrode current collector and including a plurality of granules including a negative electrode active material and a negative electrode binder, and formed as the negative electrode binder binds the negative electrode active material; and a separator disposed between the positive electrode and the negative electrode.
Resumen de: US20260180078A1
The invention provides a carbon structure for the positive electrode of an air battery, which comprises a carbon nanotube as a carbon material, wherein the carbon nanotube has an average diameter of 1 nm to 10 nm inclusive, an average length of 1 μm to 100 μm inclusive, and an aspect ratio of 1,000 to 10,000 inclusive.
Resumen de: US20260179934A1
A positive electrode active material includes a lithium-rich manganese-based transition metal oxide. A denseness (P) derived by the following Equation 1 ranges from 42 to 50. The positive electrode active material optimizes a ratio between a lattice parameter of a unit cell and a rolling density under low pressure to maximize a denseness between particles, thereby providing a positive electrode capable of having an optimal density after electrode coating and rolling.P=Vunit-cell/d400Equation1In Equation 1, Vunit-cell is a volume of a unit cell, which is derived through the following Equation 2, and d400 is a rolling density when rolling at 400 kgf,Vunit-cell=33×(a2/2)×(c/3)Equation2in Equation 2, a and c are crystal lattice parameters derived from XRD measurements of the positive electrode active material.
Resumen de: US20260180120A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes: a plurality of cell units each including at least one battery cell and a cell cover covering the at least one battery cell, and stacked on each other; and a case configured to accommodate the plurality of cell units, and the cell cover is provided with a slot into which the at least one battery cell is inserted and a gas passage provided on an inner surface of the slot adjacent to the at least one battery cell inserted into the slot.
Resumen de: US20260180122A1
A battery pack having an ignition delay structure including one or more battery modules, a housing accommodating the battery modules, a cooling portion configured to cool the battery modules as a coolant flows, and a spray portion configured to spray the coolant to the battery modules is provided.
Resumen de: US20260179917A1
An electrode mixture including an active material and a solid electrolyte and exhibiting at least two peaks in a volume particle size distribution measured by laser diffraction particle size distribution analysis. In the volume particle size distribution, at least two peaks are preferably in the particle diameter range from 0.2 to 20 μm, and it is preferable that the peak top of the frequency peak at the smallest particle diameter, among the at least two peaks, be in a particle diameter range from 0.2 to 5.0 μm, and at the same time, that the peak top of the frequency peak at the largest particle diameter be in a particle diameter range from 2.0 to 20 μm.
Resumen de: US20260179928A1
Disclosed is a negative electrode current collector including a copper thin film on which peaks and valleys are formed, and metal particles which are disposed in at least a portion of the valleys, have a higher standard reduction potential than a lithium ion, and are configured to form a solid solution with lithium (Li).
Resumen de: US20260179942A1
A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 μm or more.
Resumen de: US20260179960A1
An example of a positive electrode active material according to one embodiment includes a lithium transition metal composite oxide that contains at least 80 mol % of Ni and Mn with respect to the total molar amount of metal elements other than Li. The lithium transition metal composite oxide is composed of one primary particle, or particles composed of 2 to 100 primary particles, and has a D50 of 0.6 μm to 4.0 μm, and a crystallite size of 370 Å to 1,500 Å. On a particle surface of the composite oxide, at least one selected from among a pyrophosphoric acid and a phosphate salt is present in an amount of 0.1 mol % to 5.0 mol %.
Resumen de: US20260179931A1
A lithium secondary battery (10) disclosed includes a positive electrode (11), a negative electrode (12), a separator (13), and a nonaqueous electrolyte. The negative electrode (12) includes a current collector and a lithium alloy layer formed on the current collector. The lithium alloy layer contains magnesium. The negative electrode (12) is a negative electrode in which a metal layer containing lithium and magnesium is formed on the lithium alloy layer through deposition of lithium metal during charging, and the lithium metal dissolves during discharging. When the state of charge is 80% or more, a ratio RAM/RAL of the number of moles RAM of magnesium to the number of moles RAL of lithium in the lithium alloy layer is greater than a ratio RMM/RML of the number of moles RMM of magnesium to the number of moles RML of lithium in the metal layer.
Resumen de: US20260180346A1
Methods of operating a battery storage system having at least one multilevel converter with a plurality of battery modules are described. At least one battery module is selected out of the plurality of battery modules, the selected battery module is set in a bypass state for a specified time interval while maintaining multi-level converter operation, and then the selected battery module is released from the bypass state.
Resumen de: US20260179968A1
A positive electrode plate includes a current collector with a first active material layer and a second active material layer respectively provided on two surfaces of the current collector. The first active material layer is provided with a plurality of protruding portions, and the second active material layer is provided with a plurality of recessed portions corresponding to the protruding portions. Both the first active material layer and the second active material layer include a plurality of active material particles, and particle size distribution of the active material particles satisfies: Dv10: Dv50: Dv90=1: (2˜8): (3˜16).
Resumen de: US20260180099A1
An energy storage node of a system and method for handling transportation force loads includes a plurality of battery racks. Each battery rack includes a plurality of rack slots to support a battery string, at least one pair of back cross bars arranged at a rear of the rack slots to reduce a bowing outward force along a width of the battery racks, at least one pair of side cross bars to reduce a bowing outward force along a depth of the battery racks, a plurality of hollow vertical bars, at least one front connector plate arranged at a front of the battery racks to connect at least two of the hollow vertical bars, and at least one back connector plate arranged at a rear of the battery racks to connect the plurality of battery racks to a rear set of the pair of back cross bars.
Resumen de: US20260180328A1
An energy storage system includes an array controller configured to dispatch a required power flow across a first set of battery cores of a plurality of battery cores to operate the first set of battery cores in an online mode. The array controller is configured to instruct at least one power conversion system (PCS) of a second set of battery cores to operate in a standby mode to conserve auxiliary energy. The standby mode causes disabling of HVAC equipment of the at least one PCS of the second set of battery cores; and energizing and connecting an AC bus, a DC bus, or both but not running a power conversion unit of the second set of battery cores. The array controller is further configured to monitor environmental condition data of at least one PCS of the plurality of battery cores operating in the standby mode or the online mode.
Resumen de: AU2024441443A1
The present disclosure relates to the technical field of lithium batteries. Disclosed are a secondary battery and a manufacturing method therefor, a positive electrode sheet, a negative electrode sheet, and an electric device. A lithium iron phosphate positive electrode material, Li2NiO2 and Li5FeO4 are used as a positive electrode active material, and by adjusting a blending proportion and defining parameters such as the blending proportion, the capacity per gram of the active material, and an electrolyte injection coefficient to satisfy specific relationships, the capacity per gram and cycle performance of lithium iron phosphate batteries can be remarkably improved, enabling lithium ion batteries to have the advantages such as high energy density, good cycle performance, and high safety.
Resumen de: US20260180073A1
This application provides a liquid cooling system, an energy storage device, an energy storage system, and a charging network. The liquid cooling system includes a refrigerant loop, and the liquid cooling system further includes a thermal management device, a heat dissipation device, and a fluorine pump device. The thermal management device includes two liquid cooling interfaces and two cooling interfaces. The heat dissipation device includes two heat dissipation interfaces, and the two heat dissipation interfaces are connected in series to the refrigerant loop. The fluorine pump device includes two fluorine pump interfaces, the two fluorine pump interfaces are connected in series to the refrigerant loop, and the fluorine pump device is connected between the thermal management device and the heat dissipation device. Efficient and energy-saving thermal management can be performed on an energy storage device by using a modular structure design of a modular liquid cooling system.
Resumen de: US20260180077A1
An energy storage device, a photovoltaic energy storage system, and a charging network, and relates to the field of energy technologies. The energy storage device includes a heat management module, a battery module, a power module, and a heat sink module. The heat management module includes a housing, and a valve body assembly, a first evaporator, and a condenser that are disposed in the housing. The housing includes a plurality of coolant interfaces. Two coolant ports of the first evaporator are connected to the valve body assembly, and two coolant ports of the condenser are connected between the valve body assembly and one coolant interface. The battery module includes a first heat exchange plate, the power module includes a second heat exchange plate, and the heat sink module includes a heat sink.
Resumen de: US20260180106A1
The present disclosure relates to battery compartment assemblies and more specifically to battery compartment assemblies that provide conductive battery contacts used to facilitate the supply of power to, for example, a medical device. The battery compartment assemblies of the present disclosure comprise a compartment casing defining a receiving area sized to receive one or more removable batteries, a flexible circuit disposed within the receiving area and having a folded section that is folded against at least a first sidewall of the compartment casing, and a resilient spring member disposed between the first sidewall of the compartment casing and the folded section of the flexible circuit. In particular aspects, the battery compartment assemblies of the present disclosure include one or more air chambers, hollow cavities, reinforced sections, and/or combinations thereof that improve the contact life of the battery contacts.
Nº publicación: AU2024377873A1 25/06/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LIMITED
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Resumen de: AU2024377873A1
An electrolyte, a sodium secondary battery and an electrical apparatus. The electrolyte comprises a first additive and a second additive, the first additive comprising difluoro(oxalato)borate, and the second additive comprising one or more of fluorosulfonate and difluorophosphate. The combined use of the first additive and the second additive facilitates improving the stability of an SEI membrane, such that the amount of gas produced by the sodium secondary battery during a cycle process and a storage process is reduced, thereby improving the fast charging performance and storage performance of a sodium secondary battery.
BOPI
Sede Electrónica
