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1196
results.
Updated on
18/08/2025 [07:12:00]
Results 725 to 750 of 1196
Absstract of: US2025253341A1
A core-shell structured polymer, a conductive slurry, a secondary battery, and an electrical apparatus. The core-shell structured polymer comprises a core and a shell at least partially covering the core. The core contains a building block derived from a monomer represented by formula I and a building block derived from a monomer represented by formula II, and the shell contains the building block derived from the monomer represented by the formula I and a building block derived from a monomer represented by formula III, where R1, R2 and R3 are each independently selected from one or more of hydrogen, fluorine, chlorine, and fluorine-substituted C1-3 alkyl, and R4, R5, R6, R7, R8 and R9 are each independently selected from one or more of hydrogen, substituted or unsubstituted C1-5 alkyl.
Absstract of: US2025253434A1
A battery pack includes: a battery pack in which a plurality of battery modules are arranged; an upper heat sink covering the upper surface of the battery pack and having a plurality of upper cooling flow passages through which a cooling fluid may flow to cool the battery modules; and a lower heat sink covering the lower surface of the battery pack and having a plurality of lower cooling flow passages through which a cooling fluid may flow to cool the battery modules.
Absstract of: US2025253340A1
The disclosure aims to provide a fluororesin for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a fluororesin for use in electrochemical device binders, the fluororesin including a tetrafluoroethylene unit and a chlorotrifluoroethylene unit.
Absstract of: US2025253404A1
The present invention provides a nonaqueous electrolyte solution for a nonaqueous lithium ion secondary battery that is provided with a negative electrode containing graphite, while comprising a nonaqueous electrolyte solution in an amount of X mass % relative to the mass of the negative electrode excluding the negative electrode collector, wherein X is 50 to 2,000. This nonaqueous electrolyte solution contains a lithium salt and a nonaqueous solvent; acetonitrile is contained as the nonaqueous solvent in an amount of A volume % relative to the volume of the nonaqueous solvent, wherein A is 5 to 70; the nonaqueous electrolyte solution contains vinylene carbonate (VC) as an additive; and the content of VC is (7×A/X) mass % to 10 mass % relative to the nonaqueous electrolyte solution.
Absstract of: US2025253401A1
It is an object of the present disclosure to provide a battery capable of suppressing peeling of an anode current collector. The above object is achieved by providing a battery comprising layers in an order of a cathode layer, an electrolyte layer including a liquid electrolyte, and an anode layer, wherein the anode layer includes an anode active material layer and an anode current collector from the electrolyte layer side, the anode active material layer includes a granulated particle containing a Si particle with a pore, an average particle size D50 of the granulated particle is 5.5 μm or more and 7.2 μm or less, and the liquid electrolyte includes an ionic liquid.
Absstract of: WO2025161329A1
A preparation method for an electrode sheet, and an electrode sheet, a battery and an electric apparatus. The preparation method comprises: on at least one surface of a current collector, preparing a film layer comprising an active material and a binding agent, so as to obtain a preformed electrode sheet; performing heating processing on a specified part of the film layer, such that the specified part is heated up to a specified temperature within a specified period of time, wherein the specified part comprises at least part of the surface of the film layer, the specified period of time is greater than or equal to 15 ms, and the specified temperature is greater than or equal to 285°C. The preparation method for an electrode sheet, and the electrode sheet, the battery and the electric apparatus as provided can improve the performance of an electrode sheet, improve the performance of a battery that uses the electrode sheet and of an electric apparatus, and prolong the service life of the battery that uses the electrode sheet and of the electric apparatus.
Absstract of: WO2025161412A1
A battery pack, comprising: a die-cast housing (1), which has an accommodation cavity, wherein the accommodation cavity comprises a battery cell accommodation cavity (11) and a BMS accommodation cavity (12), the battery cell accommodation cavity (11) is provided with a battery cell opening (111), and the BMS accommodation cavity (12) is provided with a BMS opening (121); a battery cover (2), which is connected to the battery cell opening (111) in a sealed manner; a BMS cover (5), which is connected to the BMS opening (121) in a sealed manner; a battery module (3), which is assembled in the battery cell accommodation cavity (11), wherein the battery module (3) comprises at least two battery cells (311), and the battery cells (311) are stacked in the direction of the battery cell opening (111); and a BMS (4), which is assembled in the BMS accommodation cavity (12) and is electrically connected to the battery module (3). The battery pack structure can improve the balance and stability of the battery module, and enhance the strength and safety thereof.
Absstract of: WO2025161174A1
A battery, comprising a main body (1). A side surface of the main body (1) is provided with a riveting hole (101); the side surface of the main body (1) comprises a flat area (102) and a riveting area (103); the riveting hole (101) corresponds to the riveting area (103); in the width direction of the side surface of the main body (1), the distance between the hole edge of the riveting hole (101) and the edge of the side surface of the main body (1) is b, the width of the flat area (102) is T, the width of the riveting area (103) is T2, and equation (I) is satisfied, wherein 10≤y≤14, and y is a real number. By configuring the width of the riveting area (103) to be slightly smaller than the width of the flat area (102), when a pole assembly (2) is riveted in the riveting hole (101), the width of the riveting area (103) is increased and can be kept consistent with the width of the flat area (102), thereby improving the consistency of the width of the main body (1), ensuring the assembly effect of the main body (1) and other components, and improving the battery quality.
Absstract of: WO2025161147A1
A battery slurry production system, comprising a main-material feeding system (1), an auxiliary-material feeding system (2), a mixing bin (40) and a slurrying machine (50), wherein the mixing bin (40) is configured to receive a main material and an auxiliary material and mix the main material with the auxiliary material; an input end of the slurrying machine (50) is in communication with an input end of the mixing bin (40), and is configured to generate a battery slurry from a mixture of the main material and the auxiliary material and a solvent; and at least one of the main-material feeding system (1) and the auxiliary-material feeding system (2) is provided with a filter unit (7).
Absstract of: US2025251348A1
The present disclosure provides a system, method and apparatus for detecting a folding fault in a secondary battery. A method according to an embodiment of the present disclosure may include: measuring a height of a folding part and a height of a pouch case of the secondary battery being transferred by a transfer apparatus for each designated section using a laser scanner; checking whether there is a section where the height of the folding part is greater than the height of the pouch case, provided that a height difference therebetween is a designated reference value or more; and if there is a section where the height difference is the designated reference value or more, determining that the folding fault has occurred.
Absstract of: US2025251469A1
Systems and methods for detecting intermittent connections in a battery energy storage system (BESS) subsystem are disclosed. For each battery rack in the BESS subsystem, current time series data is received. A current rolling average is determined for each data point of the time series data by averaging current values of timestamps over a specified time interval. A current delta is determined for each data point, where the current delta is a difference between the current rolling average associated with the battery rack under analysis and a mean of the current rolling averages associated with the other battery racks in the BESS subsystem. A distribution profile of the current deltas is analyzed to detect a current anomaly at the respective battery rack. In response to detecting the current anomaly at the battery rack under analysis, an alert indicative of a faulty connection is displayed on a user interface.
Absstract of: US2025251460A1
A method, apparatus, medium and electronic device for identifying degradation degree of battery. The method includes: acquiring battery data corresponding to a current cycle count, wherein the battery data comprise battery capacities and battery voltages of the battery; acquiring, based on the battery capacities and the battery voltages, capacity differences corresponding to the battery voltages; acquiring, based on the battery voltages and the capacity differences, a surge set of the capacity differences and a voltage set corresponding to the surge set; and identifying a degree of the battery degradation based on the surge set and the voltage set, to obtain an identification result related to the current cycle count. The method can identify the degree of battery degradation without applying other specialized testing equipment, thereby reducing the cost of identifying the degree of degradation, thereby simplifying the process.
Absstract of: US2025251190A1
A method of manufacturing ceramic tape includes a step of directing a tape of partially-sintered ceramic into a furnace. The tape is partially-sintered such that grains of the ceramic are fused to one another yet the tape still includes at least 10% porosity by volume, where the porosity refers to volume of the tape unoccupied by the ceramic. The method further includes steps of conveying the tape through the furnace and further sintering the tape as the tape is conveyed through the furnace. The porosity of the tape decreases during the further sintering step.
Absstract of: US2025254757A1
The invention relates to a method for directly heating at least one energy storage module with a multilevel converter system, in which a multiplicity of energy storage modules and transistors are provided, wherein each energy storage module can be connected in parallel or in series with the respective adjacent energy storage module, and the energy storage modules, preferably the transistors, are switched in such a manner that at least 10 one energy storage module is heated, wherein at least one transistor has a switching frequency of at least 1 Hz.
Absstract of: US2025253478A1
A battery assembly of the present disclosure includes a plurality of battery cells arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, and an insertion member located in an insertion space formed between the accommodation case and the plurality of battery cells in the predetermined stacking direction, wherein the insertion member includes a body portion having a pillar shape, and an expansion portion covering at least a portion of the body portion and expanding when reaching a predetermined allowable temperature.
Absstract of: US2025253475A1
A manufacturing method of a battery pack, the manufacturing method can include seating a battery module into each module area within a pack case, coupling an upper cover to the pack case to cover an upper part of the battery module, and injecting a thermally conductive adhesive into the upper part of the battery module housed in the pack case. Additionally, any one among the upper cover and pack case can include an injection hole, and the thermally conductive adhesive can be injected into the upper part of the battery module through the injection hole to form an adhesive layer.
Absstract of: US2025253477A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a battery assembly including a plurality of cell units; and a pack case accommodating the battery assembly in the internal space, wherein each cell unit includes at least one battery cell and a cell cover at least partially surrounding the outside of the at least one battery cell, wherein a venting space is provided between the cell cover and the battery cell.
Absstract of: US2025253326A1
There is disclosed a powder for a Li-ion battery anode and its manufacture, comprising manufacturing a dispersion comprising titanium dioxide primary particles. Thereafter the dispersion comprising primary particles is spray dried or jet milled to obtain spherical secondary particles comprising the primary particles. Thereafter the powder are calcined so that the primary particles are fused together to form the secondary particles. In addition to the method the particles, a battery anode comprising the particles, a battery cell comprising the anode, a battery pack comprising the battery cells, a battery pack including a control system are provided. Advantages include high capacities and performance with very low losses in the first few cycles for the batteries. Improved control of the particle properties is possible.
Absstract of: US2025253479A1
A battery pack is disclosed. The battery pack comprises at least one part of a housing, at least one battery system arranged in the at least one part of the housing, at least one containing member contacted with the at least one part of the housing and the at least one battery system, the at least one containing member comprises a self-expendable filler material, the at least one containing member with the self-expendable filler material is contacted with the at least one part of the housing to provide stability to the battery pack and/or to the at least one battery system with respect to the at least one part of the housing.
Absstract of: US2025253469A1
A protective device (100) for arranging on an impact-sensitive element (102), for example on a battery element (106), wherein the protective device (100) comprises the following: a wall element (108) and an adaptation element (116) arranged on the wall element (108).
Absstract of: WO2025161146A1
The present application relates to an automatic production system for a composite copper foil, applied to the field of composite metal foil processing. The system comprises an electroplating mechanism used for electroplating on the surface of a base film to form a finished product; an unwinding mechanism used for winding the base film is fixed to one end of the electroplating mechanism, and a winding mechanism used for winding the finished product is fixed to the end of the electroplating mechanism distant from the unwinding mechanism; a detection mechanism is arranged between the electroplating mechanism and the winding mechanism; the detection mechanism comprises a cleaning and drying assembly and a detection and oxidation assembly; and the winding mechanism drives the finished product to sequentially pass through the cleaning and drying assembly and the detection and oxidation assembly. The present application has the effect of a low defective rate.
Absstract of: WO2025161311A1
A battery (100) and an electrical device. The battery (100) comprises: a case (10) which is internally provided with an accommodating space, wherein the case (10) comprises a bottom protection plate (102) and a grounding point, the bottom protection plate (102) being connected to the grounding point, and a conductive exposed area (1021) being provided on a side surface of the bottom protection plate (102) that faces the accommodating space; at least one battery cell (20), wherein the battery cell (20) is accommodated in the accommodating space, and the battery cell (20) comprises a terminal post; and an electrical connection assembly (30) which is accommodated in the accommodating space and comprises a connecting piece (301), wherein the connecting piece (301) is located between the bottom protection plate (102) and the battery cell (20), and is connected to the terminal post, and when electrolyte of the battery cell (20) leaks, the connecting piece (301) is electrically connected to the grounding point by means of the electrolyte and the conductive exposed area (1201).
Absstract of: WO2025161266A1
An electrolyte solution and an electrochemical device comprising same. The electrolyte solution comprises an electrolyte, a non-aqueous organic solvent, and additives. The additives include a sulfonic anhydride additive and a dehydration additive. The mass of the sulfonic anhydride additive accounts for 0.2%-2.5% of the total mass of the electrolyte solution. The mass of the dehydration additive accounts for 0.2%-1.5% of the total mass of the electrolyte solution. The structural formula of the sulfonic anhydride additive is shown as formula I: Formula I, wherein R1 is selected from C2-C3 alkylene, C2-C3 alkenylene, C2-C3 fluoroalkylene, and C2-C3 fluoroalkenylene. The dehydration additive is selected from one or more of dicyclohexylcarbodiimide, hexamethyldisilazane, and maleic anhydride. The electrolyte solution can mitigate gas production of a battery and improve the long cycle performance of a sodium ion battery.
Absstract of: US2025253681A1
A storage battery control device executes: a first process of discharging storage battery modules from a predetermined charged state by a predetermined discharge amount and recording a module voltage and a string current; a second process of discharging storage battery modules that are discharged by the predetermined discharge amount to a predetermined discharged state; a third process of charging storage battery modules that are discharged to the predetermined discharged state by a predetermined charge amount; a fourth process of discharging storage battery modules that are charged by the predetermined charge amount to the predetermined discharged state and recording a module voltage and a string current; and a fifth process of generating voltage transition information at the time of discharging storage battery modules based on the module voltage and the string current recorded in the first process and the module voltage and the string current recorded in the fourth process.
Nº publicación: US2025253706A1 07/08/2025
Applicant:
SONY SEMICONDUCTOR SOLUTIONS CORP [JP]
SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Absstract of: US2025253706A1
An energy harvester according to an embodiment of the present technology includes a coil section, a maintaining portion, and a rectifier. The coil section includes a core that is made of a magnetic material, and a wire rod that is wound around the core. The maintaining portion maintains the coil section on a surface of a target that includes a metallic body or a human body, such that an axis of the coil section intersects the surface of the target. The rectifier rectifies output from the coil section.
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