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955
resultados
Última actualización
20/07/2025 [07:14:00]
Resultados 150 a 175 de 955
Resumen de: WO2025148159A1
Disclosed is a battery. The battery comprises a rechargeable core, a circuit board, and a metal sleeve housing. The rechargeable core is mounted in the metal sleeve housing by means of an opening in an upper end of the metal sleeve housing, the circuit board is disposed above the rechargeable core, and the circuit board is electrically connected to the metal sleeve housing. The circuit board comprises a substrate and a charging connection end, and the rechargeable core is electrically connected to the substrate. The metal sleeve housing is provided with a notch portion, and a USB charging seat is installed in the notch part, the USB charging base being electrically connected to the charging connection end. The substrate is provided with a charging and discharging circuit, and a temperature control element, the temperature control element being able to actively stop charging and discharging when thermal runaway occurs in a charging and discharging process. The substrate of the present utility model is provided with the temperature control element, and the temperature control element can actively stop charging and discharging when thermal runaway occurs in a charging and discharging process, thereby ensuring the safety of the battery.
Resumen de: WO2025148106A1
A non-woven fabric composite membrane material, and a preparation method therefor and a use thereof. The non-woven fabric composite membrane material has a three-dimensional network structure, and the membrane material is composed of ultra-long carbon nanotubes and a high polymer membrane, wherein the ultra-long carbon nanotubes are loaded on the fiber surface of the high polymer membrane, and/or a self-supporting network formed by the ultra-long carbon nanotubes is deposited in pores of the high polymer membrane. The ultra-long carbon nanotubes and polyolefin are prepared into a composite membrane material by means of an in-situ composite non-woven fabric processing technology as a lithium battery separator, and by means of excellent conductivity, mechanical properties and thermal stability of the carbon nanotubes, the composite membrane material effectively inhibits the heat shrinkage of polyolefin separators and increases the separator breaking temperature while improving the ion transport properties, thereby improving the mechanical properties of polyolefin fiber membranes and the holding capacity of polyolefin fiber membranes in an electrolyte, and improving the safety and the power density of electric vehicles.
Resumen de: WO2025148042A1
Disclosed in the present invention are a prediction method and apparatus for a crushing particle size of a ternary positive electrode material. The method comprises: for each crushing device, collecting crushing particle size measurement results of the crushing device under different process parameters to form a sample data set, the sample data set comprising the crushing particle size measurement results corresponding to the crushing device under different process parameters; performing preprocessing and standard-compliant data screening on the sample data set; on the basis of different products, selecting corresponding sample data sub-sets from the sample data set for training to obtain crushing particle size prediction models corresponding to different products; and inputting process parameters, obtained on site, of the crushing device into a corresponding crushing particle size prediction model so as to obtain a crushing particle size index prediction result. By using the present invention, crushing particle size prediction models are used to obtain predicted measurement particle sizes corresponding to process parameters of current devices, so that a worker can adjust the process parameters of the devices on the basis of the deviation between the predicted measurement particle sizes and target particle size data.
Resumen de: WO2025147986A1
A wound lithium ion battery positive electrode sheet recycling processing device, comprising an unwinding assembly, a winding assembly, and a pulse assembly. The unwinding assembly is used for controlling the unwinding length of a positive electrode sheet to be processed; the winding assembly is used for collecting a processed positive electrode sheet; in the conveying direction of the positive electrode sheet, a high-voltage pulse region is arranged between the unwinding assembly and the winding assembly; the pulse assembly is arranged in the high-voltage pulse region; the pulse assembly comprises a first electrode plate and a second electrode plate; the first electrode plate and the second electrode plate are spaced from each other in the width direction of the positive electrode sheet; and both the first electrode plate and the second electrode plate can move in the thickness direction perpendicular to the positive electrode sheet, so that the first electrode plate and the second electrode plate selectively abut against the edge of the positive electrode sheet.
Resumen de: WO2025147847A1
A preparation method for a ternary positive electrode material having a coating layer, which method comprises the following steps: S1, mixing a ternary material precursor with a lithium source, pre-sintering same to obtain a pre-sintered material, mixing the pre-sintered material again, and then calcining same, so as to obtain a primary ternary positive electrode material; S2, dissolving an additive T to obtain a solution U, subjecting the primary ternary positive electrode material and the solution U to mixing and washing, and drying same, so as to obtain a secondary ternary positive electrode material; and S3, subjecting the secondary ternary positive electrode material to an atomic layer deposition treatment, so as to obtain a ternary positive electrode material, wherein the additive T is composed of a lithium-containing material and a sodium-containing material, and the stirring Reynolds number during the process of washing is 200-20000. Further disclosed are a ternary positive electrode material prepared according to the method, and a lithium-ion battery.
Resumen de: WO2025147809A1
A polymer and a use thereof. The polymer at least comprises the structural formula shown in Formula 1; in Formula 1, R1 is selected from a substituted or unsubstituted C1-C30 alkyl, and a substituted or unsubstituted C6-C60 aryl; R2 is selected from a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkyl, a substituted or unsubstituted C1-C30 alkoxy, and *-b1-S-S-b2-*, b1 and b2 each being independently selected from a substituted or unsubstituted C2-C15 alkyl, and a substituted or unsubstituted C6-C60 aryl; R3 is an ionic liquid group; n≥1, and is an integer. The special molecular structure of the polymer enables it to have excellent room temperature ionic conductivity when applied to a polymer electrolyte.
Resumen de: WO2025147971A1
A metal-ion-doped lithium iron phosphate material, a preparation method therefor, and a use thereof, relating to the technical field of lithium batteries. The metal-ion-doped lithium iron phosphate material comprises a lithium iron phosphate sheet and metal ions loaded on and doped in the lithium iron phosphate sheet, and the lithium iron phosphate sheet has a porous structure. The method comprises: using an organic metal compound as a deposition raw material, and depositing a carbon layer and metal oxide particles on a surface of a porous Fe2O3 sheet precursor to obtain a composite material; and mixing the composite material, a lithium source, and a phosphorus source according to a stoichiometric ratio, and then drying and sintering to obtain an M-LiFePO4 material. The prepared M-LiFePO4 has good uniformity, is not prone to agglomeration, inherits the two-dimensional sheet-like morphology of the precursor material, has a porous structure, has good capability for rapid charging and discharging, and improves the rate performance of a lithium iron phosphate material by means of doping same with metal ions.
Resumen de: WO2025147805A1
The present application provides a polymer and a use thereof. The polymer comprises a first block represented by formula 1 and a second block represented by formula 2, wherein R1 is selected from a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkoxy group, and a substituted or unsubstituted C6-C60 aryl group; R2 is selected from a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C6-C60 aryl group, and *-b1-S-S-b2-*; b1 and b2 are each independently selected from a substituted or unsubstituted C2-C15 alkyl group or a substituted or unsubstituted C6-C60 aryl group; and R3 is an ionic liquid-containing group. The special molecular structure of the polymer enables the polymer to have excellent electrochemical performance and mechanical strength when the polymer is applied to a composite electrolyte.
Resumen de: US2025228839A1
The present invention relates to discloses a pharmaceutical composition of 2,4,6-trifluoro-N-6-(1-methyl-piperidin-4-ylcarbonyl)-pyridin-2-yl-benzamide and a pharmaceutically acceptable carrier.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: US2025230569A1
A method of manufacturing a composite metal foil includes providing a first metal layer and forming a second metal layer on a surface of the first metal layer through electroplating. The first metal layer is copper foil, nickel foil, stainless steel foil, or a combination thereof. A contact angle of a surface of the second metal layer to liquid lithium metal is lower than 90 degrees.
Resumen de: 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.
Resumen de: 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.
Resumen de: US2025228290A1
An electronic cigarette structure that can be quickly disassembled and assembled is provided, which includes a cigarette holder module, a battery cell module, and a host module. The cigarette holder module is provided with the battery cell module and the host module; the battery cell module includes a battery cell upper cover, a stainless-steel shell, a soft pack battery cell, a charging board, a second Type-C female terminal, and a battery cell lower cover. The host module includes a bracket, a magnet, a conductive pin, a first Type-C male terminal, a scheme board, a first Type-C female terminal, a base, and a button. The electronic cigarette achieves rapid disassembly and assembly through a magnetic suction structure and Type-C interface insertion and extraction structure. On the basis of one-time use, it realizes functions of recycling and disassembly, extends the service life of the product, and reduces environmental pollution.
Resumen de: US2025233422A1
The in-vehicle power supply device includes a power storage device, an in-vehicle solar power generator mounted on the vehicle, a power regulator that performs charging of the power storage device using generated electric power from the in-vehicle solar power generator, charging of the power storage device using surplus electric power from an external solar power generator installed in an external facility, and supply of power from the power storage device to the external facility, and a control device that controls the power regulator. The control device controls the power regulator so as to start to warm the power storage device when the electric power generated by the in-vehicle solar power generator reaches first predetermined electric power or more and then to charge the power storage device using the surplus electric power from the external solar power generator.
Resumen de: US2025233245A1
Systems and methods for controlling and/or inhibiting lateral movement of battery components are generally described. Buckling of stacks of electrochemical cells can unfavorably misalign or deform battery components and may negatively impact performance of the battery. The present disclosure is directed, in some embodiments, towards inventive components that can laterally support electrochemical cells of the stack of electrochemical cells to prevent lateral motion of the electrochemical cells, thereby preventing buckling of the stack.
Resumen de: US2025233244A1
A battery and an electric device are disclosed. The battery includes a case, a battery assembly, and a protective assembly. The battery assembly is disposed within the case and comprises a plurality of battery cells. A gap is formed between adjacent battery cells and extends in the height direction of the battery cells, the gap having two opposing openings in the height direction. The protective assembly is connected to the adjacent battery cells and is configured to cover at least one of the openings of the gap. The protective assembly reduces the ingress of foreign matter, minimizes uneven stress on the battery cells, and mitigates the risk of lithium plating. As a result, the cycle performance of the battery cells is improved, thereby enhancing the service life of the battery.
Resumen de: US2025233246A1
A battery carrier for receiving at least one battery module serving as a drive energy storage device for an electrically driven vehicle. The battery carrier can be connected to a body of the vehicle, including a substantially circumferential frame structure having longitudinal sides and transverse sides for forming a receiving area for the at least one battery module, wherein the battery carrier is integrally molded from a light metal material, in particular integrally cast from a light metal material. The receiving area encloses an area of at least 0.5 m2, in particular of at least 0.75 m2, particularly preferably of at least 1 m2. The present invention also relates to methods for die casting a substantially one-piece battery carrier from a light metal melt, in particular from an aluminum alloy melt.
Resumen de: US2025233291A1
A battery cell, a battery, and an electrical apparatus are described. The battery cell comprises a housing, an electrode assembly, an electrode terminal, a fixing member, and a sealing member. The housing comprises a first wall, the first wall is provided with an electrode lead-out hole. The electrode assembly is accommodated in the housing. The electrode terminal is electrically connected to the electrode assembly and covers at least a portion of the electrode lead-out hole. The fixing member surrounds the electrode terminal and connects the electrode terminal and the first wall. The sealing member surrounds the electrode terminal, and at least a portion of the sealing member is sandwiched between the electrode terminal and the fixing member.
Resumen de: US2025233148A1
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery. The negative electrode includes a current collector; and a negative active material layer, wherein the negative active material layer includes a first active material layer on the current collector and including a first crystalline carbon, a Si—C composite, and a first binder; and a second active material layer on the first active material layer and including a second crystalline carbon, a Si—C composite, and a second binder, a particle diameter of the first crystalline carbon is smaller than a particle diameter of the second crystalline carbon, and based on the total negative active material layer, an amount of the first binder is larger than an amount of the second binder, an amount of the Si is about 3 wt % or more based on 100 wt % of the negative active material layer.
Nº publicación: US2025233121A1 17/07/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US2025233121A1
An electrode coating device includes a front surface coating part, which is provided on a traveling path of a current collector, for coating a slurry on the front surface of the current collector, a back surface coating part, which is provided on the traveling path, for coating the slurry on the back surface of the current collector passing through the front surface coating part, and a guide roll including a core part having a rotating shaft, and a surface part surrounding the core part and formed of a material different from that of the core part, and transferring the current collector in a state where the back surface of the current collector faces the back surface coating part. A guide roll is also provided.
BOPI
Sede Electrónica
