Alerta

POROUS CARBON MATERIAL, METHOD FOR FABRICATING THE SAME, POSITIVE ELECTRODE COMPRISING THE CARBON MATERIAL AS POSITIVE-ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY

Resumen de: US20260196506A1

0000 Disclosed are a porous carbon material, a method for fabricating the same, a positive electrode for a lithium secondary battery comprising the same as a positive-electrode active material, and a lithium secondary battery, wherein the performance of a sparingly solvating electrolyte based lithium secondary battery can be improved by applying the porous carbon material having an increased pore volume and specific surface area through an activation process to the positive electrode through. The porous carbon material has a specific surface area of 1,700 m<2>/g or more, and a pore volume of 5 cm<3>/g or more.

ADDITIVE, ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US20260196558A1

Provided are an additive represented by Chemical Formula 1, an electrolyte and a positive electrode for a rechargeable lithium including the additive, and a rechargeable lithium battery.Details regarding Chemical Formula 1 are as described in the specification.

SECONDARY BATTERY ELECTROLYTE AND ITS BATTERY

Resumen de: US20260196563A1

The present invention relates to a secondary battery electrolyte, which includes a composite electrolyte salt; the composite electrolyte salt comprises lithium hexafluorophosphate, lithium difluorosulfonate, and lithium sulfide salts; the lithium sulfide salts include substituted sulfates (R1—SO3—Li) and/or sulfonate structure lithium salts (R2—O—SO3—Li). The present invention employs a combination of LiPF6, lithium sulfide salts, and LiFSI, where LiFSI exhibits better hydrolysis stability, superior thermal stability, and higher lithium migration capability, significantly enhancing the battery's kinetics and high-temperature performance. Lithium sulfates and sulfonate structure lithium salts also possess high lithium migration capabilities. Moreover, their anion groups rich in S and O form films that improve the composition of the SEI film and reduce membrane impedance, thereby enhancing the battery's kinetic and high-temperature performance.

POLYMER ADDITIVE, FLAME RETARDANT, POLYMER MOLDING MATERIAL, AND PREPARATION METHOD AND USES THEREOF

Resumen de: AU2025256179A1

The present disclosure discloses a polymer additive, a flame retardant, a polymer molding material, and a preparation method and a use thereof. The polymer additive comprises aluminum diethylphosphinate and aluminum ethylbutylphosphinate; the polymer additive satisfies a relationship of 0.90 ≤ ΔH ≤ 1.05, wherein ΔH is a dual enthalpy ratio and defined by Equation (1); the polymer additive further satisfies following relationships: 135 ºC ≤ T1 ≤ 160 ºC, 165 ºC ≤ T2 ≤ 185 ºC, and 180 ºC ≤ T3 ≤ 200 ºC; and the Equation (1) is as follows: ΔH = (H2+H3)/H1. The polymer additive has a specific crystal transition state, and a polymer molding material comprising the polymer additive has lower molding shrinkage during the molding process. The present disclosure discloses a polymer additive, a flame retardant, a polymer molding material, and a preparation method and a use thereof. The polymer additive comprises aluminum diethylphosphinate and aluminum ethylbutylphosphinate; the polymer additive satisfies a relationship of 0.90 H 1.05, wherein H is a dual enthalpy ratio and defined by Equation (1); the polymer additive further satisfies following relationships: 135 °C T1 160 °C, 165 °C T2 185 °C, and 180 °C T3 200 °C; and the Equation (1) is as follows: H = (H2+H3)/H1. The polymer additive has a specific crystal transition state, and a polymer molding material comprising the polymer additive has lower molding shrinkage during the molding process. ct c t

METHOD FOR PREPARING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY PREPARED THEREBY

Resumen de: US20260196483A1

A method of preparing a negative electrode active material for a lithium secondary battery and a negative electrode active material prepared thereby are provided. The method comprises: forming a silicon dispersion by dispersing silicon-based particles in a solvent; adding an iron salt and tannic acid to the silicon dispersion and stirring the same to form a reaction layer of the iron salt and the tannic acid on surfaces of the silicon-based particles; heat treating the reaction layer of the iron salt and the tannic acid to form an amorphous carbon coating layer; and acid-treating the amorphous carbon coating layer to form a porous amorphous carbon coating layer.

Structural Element for Rechargeable Battery

Resumen de: US20260196633A1

A rechargeable battery, in particular as a removable energy supply for a power tool, comprising at least one energy storage element and a battery housing with a cover element, four side walls and a base element. A first and second protrusion are arranged on at least the base element, wherein each protrusion has at least two sloping surfaces adjoining and opposite one another, and each arranged at an angle of 90° to 120°, preferably 105°, to one another, or each protrusion is configured substantially conical, wherein each conical protrusion has an opening angle of 90° to 120°, preferably 105°.

SELF-REPAIR BINDER FOR BATTERIES AND ITS PREPARATION METHOD

Resumen de: US20260196576A1

A self-repair binder for batteries and its preparation method, which consists of binder, additives, solvent, and self-repair agent. The self-repair agent includes polymer microcapsules, which consist of capsule wall material and repair liquid core material. Additives act as thickeners to improve the viscosity and flowability of the binder, making it easier to apply and coat on the battery surface. The self-repair agent can be encapsulated by polymer microcapsules, allowing it to automatically release the repair binder when the battery suffers minor damage, thus achieving self-repair functionality. Additionally, the repair binder has excellent interfacial bonding with both the binder and the active materials of the cathode and anode, ensuring long-term repair effectiveness.

SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND VEHICLE

Resumen de: US20260196516A1

0000 One embodiment of the present invention provides a highly safe or reliable secondary battery. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer containing nickel, cobalt, and manganese. The positive electrode active material layer includes a secondary particle. The secondary particle includes a plurality of primary particles. A layer containing calcium is present between adjacent two of the plurality of primary particles. The thickness of the layer containing calcium is greater than or equal to 1 nm and less than or equal to 10 nm. The density of the layer containing calcium is higher than or equal to 2.0 g/cm<3 >and lower than 3.3 g/cm<3>.

BATTERY DECONSTRUCTION APPARATUS AND METHODS

Resumen de: US20260192307A1

Apparatus (10) for safe and effective shredding of batteries, including lithium-ion batteries, is disclosed. The system integrates a shredding subassembly (12), an auger/screw conveyor subassembly (14), a rotary screen subassembly (16), and an optional solvent recovery/recirculation subassembly (18). Valves/actuators (26, 28) can be coordinated such that a nitrogen blanket or a vacuum is maintained within the shredding assembly and/or the other subassemblies (16, 18). Shredded battery materials are transported to the rotary screen subassembly (16) via the auger-screw conveyor assembly (14) before being washed and split into solid and liquid sub-components (FIG. 1).

ELECTRONIC DEVICE AND OPERATION METHOD THEREOF

Resumen de: US20260194562A1

0000 An electronic device may include: a connector for connection to an external power source; a charging circuit for converting the power provided through the connector; a battery for receiving the power through the charging circuit; and a controller operatively and/or electrically connected to the charging circuit. The controller can be configured to: identify information related to charging; identify a first voltage conversion ratio of the charging circuit based on the information related to charging; control the charging circuit to convert, based on the first voltage conversion ratio, the power provided through the connector; identify, based on the information related to charging, a second voltage conversion ratio different from the first voltage conversion ratio of the charging circuit while the battery is being charged based on the first voltage conversion ratio; and control the charging circuit to convert, based on the second voltage conversion ratio, the power provided through the connector.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: US20260196699A1

0000 A battery cell, a battery, and an electrical apparatus. The battery cell includes a shell, an electrode terminal, an electrode assembly, and an insulating component. The electrode terminal is arranged on the shell. The electrode assembly is accommodated in the shell and includes a tab connected to the electrode terminal. The insulating component connects the electrode terminal and the shell and is used for insulating and separating the electrode terminal from the shell.

LUBRICANT SELECTION SYSTEM, LUBRICANT SELECTION METHOD, LUBRICANT SELECTION PROGRAM, LUBRICANT, AND COMPOSITE MATERIAL

Resumen de: US20260195621A1

0000 A lubricant that suppresses an influence on the battery performance of a lithium-ion battery is selected. A lubricant selection system selects a lubricant to be added to a resin film of a composite material used as an exterior material of a lithium-ion battery. The lubricant selection system includes a first calculation unit configured to calculate a solvation energy between a lubricant candidate and a lithium cation; a second calculation unit configured to calculate a distance between the resin film and the lubricant candidate in an interaction space; and a prediction unit configured to predict a degree of influence of the lubricant candidate on battery performance of the lithium-ion battery based on the solvation energy calculated by the first calculation unit and the distance calculated by the second calculation unit.

Replacement Battery and Operating Method Thereof

Resumen de: US20260192694A1

A replacement battery is disposed in a slot in a battery swapping station. The replacement battery obtains required voltage data of an external electronic device from the battery swapping station. The replacement battery converts power stored in a battery unit into voltage based on the required voltage data, outputs the voltage to the external electronic device.

DETERIORATION SUPPRESSION SYSTEM, DETERIORATION SUPPRESSION METHOD, DETERIORATION SUPPRESSION PROGRAM, AND STORAGE MEDIUM HAVING DETERIORATION SUPPRESSION PROGRAM WRITTEN THEREIN

Resumen de: US20260194595A1

0000 A histogram generation unit generates a histogram of a duration of stay of state of charge (SOC) of a battery based on battery data. An actual SOC range calculation unit specifies, as an actual SOC use range, an SOC range within a predetermined appearance probability from the histogram. A recommended SOC range calculation unit calculate a recommended SOC use range in which deterioration is more suppressed than the actual SOC use range based on a statistical charge and discharge pattern based on the actual SOC use range and the battery data, with refers to deterioration characteristics of the battery. A display controller causes a display unit to display a display prompting a user to use the battery in the recommended SOC use range.

BATTERY ANALYSIS SYSTEM, BATTERY ANALYSIS METHOD, BATTERY ANALYSIS PROGRAM, AND STORAGE MEDIUM CONTAINING BATTERY ANALYSIS PROGRAM

Resumen de: US20260194600A1

0000 A minimum SOH calculator calculates a minimum SOH among SOHs of a plurality of cells or a plurality of cell blocks included in an assembled battery system based on battery data. A SOC difference calculator calculates an SOC difference based on a maximum SOC and a minimum SOC among SOCs of those cells or blocks and the minimum SOH of the assembled battery system, based on the battery data. A statistical processor performs steps of: extracting at least one change point from a sample group of SOC differences; calculating a regression model of the SOC difference for each of intervals divided by the change point; calculating a regression model of the minimum SOH using the sample group of minimum SOHs; and calculating a regression model of an SOH of the assembled battery system by combining the regression model of the minimum SOH and the interval-based the SOC difference.

ELECTRODE ASSEMBLY AND ELECTROCHEMICAL DEVICE

Resumen de: US20260196573A1

0000 An electrode assembly is formed by winding a positive electrode plate, a separator, and a negative electrode plate that are stacked. The positive electrode plate includes a positive tab, a positive current collector, and a positive active material layer. A thickness of the positive current collector is T1, and a width of the positive current collector is W1. Along a first direction, a distance from the positive tab to a first termination end is A. Along a second direction, a distance from the positive tab to a first start end is B. The negative electrode plate includes a negative tab, a negative current collector, and a negative active material layer. A thickness of the negative current collector is T2, and a width of the negative current collector is W2. Along the first direction, a distance from the negative tab to the second termination end is C. Along the second direction, a distance from the negative tab to the second start end is D, satisfying: 0.8≤A/(T1×W1)+D/(T2×W2)/B/(T1×W1)+C/(T2×W2)≤1.2.

CURRENT COLLECTOR, BATTERY CELL, BATTERY PACK, AND VEHICLE INCLUDING THE SAME

Resumen de: US20260196691A1

0000 A battery cell includes an electrode assembly including a first electrode and a second electrode with a separator interposed therebetween, the first electrode, the second electrode and the separator being wound around a winding axis in a winding direction to define a core and an outer peripheral surface, the first electrode including a first uncoated portion, which is not coated with an active material layer; a battery housing having an opening at one side, the battery housing being configured to accommodate the electrode assembly through the opening; and a current collector including a support portion disposed on the electrode assembly and a tab coupling portion extending from the support portion and coupled to the first uncoated portion, the current collector having a channel or a path configured to discharge a flame at a boundary of the support portion and the tab coupling portion when thermal runaway occurs.

ANODE SLURRY, ANODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: US20260196523A1

0000 According to embodiments of the present disclosure, an aqueous anode slurry may include an anode active material, a binder, and an organic acid compound having at least two oxygen-containing functional groups. In a molecular structure of the organic acid compound, a bond angle between oxygen-containing functional groups is 90° or more, and the content of the organic acid compound may be greater than 0.01 wt % and less than 0.1 wt %, based on the total solid weight of the aqueous anode slurry.

CYLINDRICAL MEMBER AND MANUFACTURING METHOD THEREFOR

Resumen de: US20260192353A1

A method for manufacturing a cylindrical member includes a preparation step and a processing step. In the preparation step, a workpiece material is prepared. In the processing step, the workpiece material is pressed in the axial direction of the workpiece material by an axial press die. In addition, in the processing step, a bead is formed on a circumferential wall by pressing a plate die into the circumferential wall while rotating the workpiece material about the central axis relative to the plate die. An end surface of the plate die includes arc-shaped shoulder portions. When each radius of curvature of the shoulder portions is represented by Rp, the plate thickness of the circumferential wall is represented by t, and the pressing amount of the plate die is represented by X, Rp, t, and X satisfy the following formulae (1) and (2): 0.20≤Rp/t (1), X/Rp≤20.5 (2).

METHOD OF MANUFACTURING AN ELECTRODE-ELECTROLYTE LAMINATE

Resumen de: US20260196568A1

Disclosed is an electrode-electrolyte laminate and a method of manufacturing an electrode-electrolyte laminate, for use in a lithium-metal cell. The method includes depositing a ceramic electrolyte layer onto a first surface of a polymer separator, and depositing a layer of lithium metal onto an exposed surface of the ceramic electrolyte layer. The electrode-electrolyte laminate prepared by the method is useful in the manufacture of an electrochemical cell.

MATERIAL CONVEYING APPARATUS AND ASSEMBLY SYSTEM, PRODUCTION LINE AND ASSEMBLY METHOD FOR BATTERY

Resumen de: US20260192456A1

A material conveying apparatus includes a chassis, a conveying mechanism, a limiting mechanism, and a handling mechanism. The conveying mechanism includes two conveying channels provided on the chassis, one of the two conveying channels being a feeding channel for conveying a box carrying a material, the other of the two conveying channels being a discharging channel for conveying the box that is unloaded; the limiting mechanism is provided on the chassis or the conveying mechanism, and is used to limit on the feeding channel a waiting position and a material taking position arranged along a feeding direction, and to limit on the discharging channel a transfer position and a removal position arranged along a discharging direction; the handling mechanism is used to handle the box that is in the material taking position to the transfer position.

SINGLE-CRYSTAL CATHODE MATERIAL MODIFIED BY MOLTEN SALT-ASSISTED VALENCE GRADIENT DOPING, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: US20260193812A1

A single-crystal cathode material modified by molten salt-assisted valence gradient doping, a preparation method therefor, and use thereof are provided. The preparation method includes the following steps: mixing a transition metal source, a lithium source, a manganese source and a molten salt additive, sequentially performing first sintering and second sintering, and removing the molten salt additive to obtain a doped and modified single-crystal cathode material precursor; tempering the doped and modified single-crystal cathode material precursor to obtain a single-crystal cathode material modified by molten salt-assisted valence gradient doping. The doped and modified single-crystal cathode material may effectively avoid the capacity loss of the material, significantly reduce the lattice mismatch in the lithium deintercalation/intercalation process and relieve the volume strain in the charge and discharge process. Meanwhile, the formed M-O bonds can enhance the structural stability of the material and inhibit the formation of microcracks in the material.

SYSTEM FOR MANUFACTURING ELECTRODE ASSEMBLY FOR BATTERIES

Resumen de: US20260196551A1

Described herein is a system and/or method for manufacturing an electrode assembly for batteries. The system for manufacturing the electrode assembly may comprise a folding device configured to fold a laminated body, such that a plurality of electrodes may be disposed on a separator, into the electrode assembly, and a bonding device may be configured to temporarily bond electrode tabs of electrodes stacked on each other during the folding of the laminated body by the folding device.

BATTERY PACK

Resumen de: US20260196606A1

A battery pack easily and reliably receives a plate in an insertion space in a partition wall between battery cells and holds the plate in position. The battery pack includes multiple battery cells, a battery holder including a partition wall, and a heat-resistant plate inside the partition wall. The partition wall includes an insertion space receiving the heat-resistant plate between a pair of retaining walls. The retaining walls include pressing protrusions on their facing surfaces facing the heat-resistant plate. In a cross section of the partition wall, the pressing protrusions include a pair of first protrusions spaced from each other in a width direction on one of the facing surfaces, and a second protrusion located between the pair of first protrusions on the other of the facing surfaces. The heat-resistant plate is held in position in the insertion space with the heat-resistant plate or the pressing protrusions deforming elastically.

ELECTROCHEMICAL CELLS FOR MEDICAL IMPLANTABLE DEVICE

Nº publicación: US20260196616A1 09/07/2026

Solicitante:

MEDTRONIC INC [US]
Medtronic, Inc.

Resumen de: US20260196616A1

Batteries having a passageway extending therethrough are described. A battery may extend along a longitudinal axis from a proximal end to a distal end. The battery may include a battery case, an anode disposed in the battery case, a cathode disposed in the battery case, and a passageway defined by the battery case. The battery case may define an exterior surface of the battery. The battery case may include an outer wall, an inner wall, a distal header coupled to the outer wall and the inner wall, and a proximal header coupled to the outer wall and the inner wall. The outer wall may define an outer perimeter of the battery case, the outer perimeter being orthogonal to the longitudinal axis. The passageway may extend through the battery from a proximal opening at the proximal end to a distal opening at the distal end.