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1238
results.
Updated on
21/07/2025 [08:01:00]
Results 100 to 125 of 1238
Absstract of: US2025233256A1
Embodiments of the present disclosure provide a battery box assembly, a cell, and a battery pack, and belong to the technical field of batteries. The battery box assembly includes a box body and a separator, wherein the box body has an accommodating space, and the separator is arranged in the accommodating space; the separator is configured to divide the accommodating space into a first region and a second region; a vent hole is provided in the separator, and the vent hole is configured to connect the first region to the second region; the first region is configured to mount a cell; and the vent hole is arranged in a position corresponding to an explosion-proof valve of the cell, the vent hole is configured to guide gas and liquid flows flowing from the explosion-proof valve to the second region in a case where the explosion-proof valve of the cell is opened.
Absstract of: US2025233221A1
In a process for the direct recycling of electrode scrap which is yielded as production waste in the production of lithium-ion batteries, a process is to be provided which makes it possible to recycle electrode scrap from LIB production by mechanical stress without adversely changing the active materials so that it can be fed back into production. This is achieved in that the mechanical stressing of the electrode scrap includes pre-crushing the electrode scrap into bulk material and mechanical stressing of the pre-crushed electrode scrap in a conditioned atmosphere in a fluidised bed opposed jet mill.
Absstract of: US2025233154A1
In a lithium-ion battery, the lithium ion migration kinetic coefficient Fc of the positive electrode coating and the lithium ion migration kinetic coefficient Fa of the negative electrode coating satisfy: 0.25≤Fc/Fa≤5; Fc=2 (Dvc50+5Mc)+PDc/4Pc, Fa=Dva50+Ma+PDa/2Pa, Dvc50 is an average particle size of a positive active material in the positive electrode coating; Mc is an internal resistance of the positive electrode plate; PDc is a compaction density of the positive electrode coating; Pc is a porosity of the positive electrode coating; Dva50 is an average particle size of a negative active material in the negative electrode coating; Ma is an internal resistance of the negative electrode plate; PDa is a compaction density of the negative electrode coating; Pa is a porosity of the negative electrode coating. The rates of lithium ion deintercalation from the positive electrode coating and lithium ion intercalation into the negative electrode coating are balanced, thereby ensuring charging capacity.
Absstract of: US2025233124A1
Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.
Absstract of: US2025233120A1
A method for manufacturing a cathode electrode for a battery cell includes mixing a cathode active material, a conductive filler, a binder, a solvent, and a cathode electrolyte interface (CEI)-enhancing additive to form a slurry mixture; and casting the slurry mixture onto a cathode current collector to form a cathode active material layer of a cathode electrode.
Absstract of: US2025233131A1
The present invention relates to a silicon-carbon composite, a preparation method therefor, and an anode active material comprising same. The silicon-carbon composite includes silicon particles, silicon oxides, magnesium compounds, and carbon. As a molar ratio (O/Si) of oxygen (O) atoms to silicon (Si) atoms in the silicon-carbon composite satisfies 0.01 to 0.60, when the silicon-carbon composite is applied to an anode active material, the discharge capacity, initial efficiency, and capacity retention ratio after cycles of a lithium secondary battery may be simultaneously improved.
Absstract of: US2025233213A1
A solid-state battery includes a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, in this order, in which: the positive electrode active material layer and the solid electrolyte layer contain moisture; and (i) the moisture amount of the positive electrode active material layer is 100 ppm to 350 ppm, and the moisture amount of the solid electrolyte layer is 1500 ppm to 2000 ppm, and/or (ii) the hydroxyl group standard value of the positive electrode active material layer is 0.63 to 0.71, and the hydroxyl group standard value of the solid electrolyte layer is 0.87 to 1.04.
Absstract of: US2025233241A1
The present disclosure relates to an end cover assembly, a battery cell, a battery pack and a device. The end cover assembly includes a cover assembly, a terminal assembly, a sealing piece and a first connected flow channel. The cover assembly is provided with an installation hole, and the installation hole penetrates through the cover assembly along an axial direction of the installation hole; the terminal assembly is installed in the installation hole; the sealing piece is configured to seal the installation hole; the first connected flow channel is arranged in at least one of the terminal assembly and the cover assembly, and the first connected flow channel is configured as follows: when the sealing of the sealing piece is invalid, the first connected flow channel enables the inside and the outside of the housing to be communicated through the installation hole.
Absstract of: US2025233231A1
The battery module according to one embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a module frame housing the battery cell stack; and a first heat sink located at an upper part of the module frame, wherein the first heat sink includes an upper plate and a lower plate, wherein a lower plate of the first heat sink constitutes an upper cover of the module frame, and wherein the first heat sink includes a cooling flow passage having at least one partition wall formed between the upper plate and the upper cover of the module frame.
Absstract of: US2025233147A1
A positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charging and discharging as compared with those of a known positive electrode active material. In order to form the positive electrode active material having the pseudo-spinel crystal structure in the charged state, it is preferable that a halogen source such as a fluorine and a magnesium source be mixed with particles of a composite oxide containing lithium, a transition metal, and oxygen, which is synthesized in advance, and then the mixture be heated at an appropriate temperature for an appropriate time.
Absstract of: US2025233257A1
Provided is a battery pack according to example embodiments of the present technology. The battery pack includes a housing with a plate part, and first and second battery assemblies provided on an upper surface of the plate part of the housing and including a plurality of battery cells, in which each of the first and second battery assemblies includes a cell stack and first and second cross-beams spaced apart from each other with the cell stack interposed therebetween, a shape of the first cross-beam of the second battery assembly is different from and complementary to a shape of the second cross-beam of the first battery assembly, the first cross-beam of the second battery assembly faces the second cross-beam of the first battery assembly, and the first cross-beam of the second battery assembly is spaced apart from the second cross-beam of the first battery assembly.
Absstract of: US2025230550A1
A metallized resin film includes a resin composition layer, an electroless copper plating layer, and an adhesion layer including ionic copper interposed between the resin composition layer and the electroless copper plating layer. The resin composition layer includes a metal oxide particle and a polyimide-based resin having a storage modulus of 0.02 GPa or more at a temperature of 300° C. The adhesion layer has a light reflectance of 30% or less.
Absstract of: US2025233252A1
A power storage device includes: a plurality of power storage cells; and a case that accommodates the plurality of power storage cells. The case includes a cooling plate and a bottom surface that are fixed to the plurality of power storage cells. In the power storage device, a hollow member is disposed between the plurality of power storage cells and each of the cooling plate and the bottom surface.
Absstract of: US2025233426A1
A power station assembly includes two inverter power stations configured to provide respective power outputs at a voltage and at respective currents. The power station assembly additionally includes a linking module configured to electrically connect to the two inverter power stations to receive the respective power outputs therefrom, combine the respective power outputs into a combined power output, and provide the combined power output to a load.
Absstract of: US2025233215A1
Provided are a water and acid adsorbing battery separator and a preparation method therefor, a water and acid adsorbing electrode plate, and a battery. A metal organic framework material is used and scrape-coated on a battery separator to prepare a composite separator, which can efficiently adsorb impurities such as water/acid from a battery, as a water and acid adsorbing battery separator. In one aspect, the water and acid adsorbing battery separator can effectively improve the cycling stability of a battery by adsorbing impurities such as water and an acid from the battery. In another aspect, the water and acid adsorbing battery separator can reduce control conditions of water during a battery assembly process, thereby effectively reducing the cost.
Absstract of: US2025233431A1
A battery stack includes a plurality of battery management system (BMS) nodes and a controller. Each BMS node includes a battery, an isolation switch configured to selectably isolate the battery of the BMS node from the batteries of the other BMS nodes, and a bypass switch configured to selectably provide a path for electrical current flowing through the battery stack to bypass the battery of the BMS node. The batteries of the BMS nodes are electrically coupled in series. The controller is configured to control the isolation switch and the bypass switch of each BMS node such that the battery of each BMS node can be individually connected to and disconnected from an electrical power source/sink.
Absstract of: US2025233427A1
An improved charging device with Smart IOT connected features is disclosed. The charging device provides AC current to various external devices, including electric vehicles and household appliances. The device includes a portable housing assembly with at least one charging port and an integrated smart battery charger that monitors voltage and current levels. An inverter converts stored DC power into AC power. The LCD touchscreen displays real-time charging status and supports touch activation commands from a mobile communication device for remote operation.
Absstract of: US2025233217A1
A battery system including a battery, wherein the battery is connected to a power system, and includes a detection unit that detects an abnormality of the battery system, and a battery control unit that causes the battery to discharge to the power system when the detection unit detects the abnormality.
Absstract of: US2025233144A1
A manganese-based solid solution positive-electrode material, wherein the manganese-based solid solution positive-electrode material has a layered structure, and a chemical formula of the manganese-based solid solution positive-electrode material is aNa2MnxR1-xO3·(1−a)LiMnyγM1-γO2, where 0.05≤a<1, 0
Absstract of: US2025233146A1
Disclosed are positive electrode active materials, methods of fabricating the same, and rechargeable lithium batteries including the same. The positive electrode active material includes a first particle including a first lithium composite oxide. The first particle includes a first primary particle that extends in a radial direction from a center of the first particle toward a surface of the first particle, and a second primary particle on the surface. An aspect ratio of the first primary particle is about 2 to about 15. An aspect ratio of the second primary particle is about 0.7 to about 3.
Absstract of: US2025233142A1
An all-solid-state battery having excellent output characteristics, and a negative electrode for an all-solid-state battery that can be used in the all-solid-state battery are provided. A negative electrode for an all-solid-state battery according to the present invention includes a molded body made of a negative electrode mixture that contains a negative-electrode active material, a solid electrolyte, and a conductive assistant, and lithium titanium oxide particles in which a ratio Dp/D50 of a primary particle diameter Dp to a particle diameter D50 is greater than 0.6 and a specific surface area is 2 m2/g or more are contained as the negative-electrode active material. Also, an all-solid-state battery according to the present invention includes a positive electrode, a negative electrode, and a solid electrolyte layer located between the positive electrode and the negative electrode, and the negative electrode for an all-solid-state battery according to the present invention is used as the negative electrode.
Absstract of: US2025233140A1
To make an electrode material (312). Nb2O5 powder (110) is milled (112) to generate Nb2O5 nanoparticles. An oxidant is added to the Nb2O5 nanoparticles to form oxidant coated Nb2O5 nanoparticles (114). The oxidant coated Nb2O5 nanoparticles is sealed with a carbon compound that releases a carbon compound vapor, which polymerizes on the Nb2O5 nanoparticles, which agglomerate to form polymerized Nb2O5 nanoparticles (116). The polymerized Nb2O5 nanoparticles are calcinated to form a hierarchical N-rich carbon conductive electrode layer (118). An electrode (302) that includes a Ti2Nb10O29@NC (312) layer is applied to a conductive substrate (310). A battery (300) includes an anode (314), a cathode (302) and an electrolyte (318) between the anode and the cathode (302). The cathode (302) includes a Ti2Nb10029@NC@NC layer (312).
Absstract of: US2025233134A1
An all-solid-state lithium-ion secondary battery includes a positive electrode, a negative electrode, and a solid electrolyte between the positive electrode and the negative electrode. The negative electrode has a negative electrode current collector and a negative electrode active material layer that comprises a carbon material and Ag.
Absstract of: US2025230045A1
The present invention relates to a method for producing a salt of bis(chlorosulfonyl) imide, which is economically feasible at industrial scale and which provides a high-purity product.
Nº publicación: US2025228303A1 17/07/2025
Applicant:
JAPAN TOBACCO INC [JP]
JAPAN TOBACCO INC
Absstract of: US2025228303A1
A technology is provided that can flexibly adjust power consumption in a system in which a charging device for charging an aerosol generation device communicates with a terminal device, the power consumption being due to the communication. An operating method for a terminal device that communicates with a charging device for charging an aerosol generation device. The method includes a step in which charging information relating to a battery of the charging device is acquired from the charging device; a step in which a charging status of the battery is evaluated on the basis of the charging information; and a step in which the possibility or impossibility of communication between the terminal device and the charging device is determined on the basis of the charging status.
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