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677
resultados
Última actualización
13/09/2026 [07:11:00]
Resumen de: US20260269433A1
A battery module can including a battery cell stack of a plurality of battery cells, and including a first end part and a second end part, an insulating cover that covers the first end part and the second end part of the battery cell stack, a holding member that wraps the first end part and the second end part of the battery cell stack adjacent to the insulating cover, a first electrode lead protruding from a first battery cell included in the battery cell stack, and a second electrode lead protruding from a second battery cell adjacent to the first battery cell. The first electrode lead and the second electrode lead are bent in different directions from each other and the first electrode lead and the second electrode lead overlap with each other. An extra space is formed between the welding part and the battery cell stack.
Resumen de: US20260266911A1
A determination system comprises: a calculating unit for calculating, from each set of time-series data including a DC current value and at least one value of a DC voltage value or an SOC of a secondary battery during charging/discharging, which is at least one of charging and discharging of the secondary battery, spectrum information representing a spectrum in a two-axis coordinate system in which one axis represents a relaxation time and the other axis represents intensity; and a determining unit which uses shape information relating to the shape of the spectrum calculated by the calculating unit to determine a control condition of the secondary battery.
Resumen de: US20260269256A1
An energy storage device comprising two electrodes, and a separator located between and electrically separating the two electrodes wherein at least one of the electrodes comprises an active layer that comprises electrode active particles, an electrically conductive element, and an electrolyte. The active layer is characterized by one or more of the following: the volume of the active layer in the presence of the electrolyte is at least 10%, preferably at least 20%, larger than a volume of a combination of the electrode active particles and the electrically conductive element in the absence of the electrolyte; a volume during use at least 10%, preferably at least 20%, larger than an original volume; the electrically conductive element is in the form of a flexible network capable of expansion and/or compression; the active layer includes flexible binder which facilitates expansion and contraction of the active layer.
Resumen de: US20260269439A1
Two openable and closable electrolyte circulation mechanisms for replenishing or replacing an electrolyte by circulating the electrolyte from the inside of a battery container to the outside of the battery container or from the outside of the battery container to the inside of the battery container are provided. The circulation mechanism includes a fixing portion that is fixed by welding to an outer surface or an inner surface of the battery container, a shaft portion that is integrally formed with the fixing portion, has a flow path that is inserted through the inside of the fixing portion and fluidly connected to an internal space of the battery container, and protrudes outward from the outside surface of the battery container, and a sealing body detachably attached to the distal end side of the shaft portion so as to be capable of opening and closing an opening portion of the flow path.
Resumen de: US20260269370A1
A battery package is disclosed. The battery package of the present disclosure includes: a pack case; a plurality of battery modules accommodated in an accommodating space of the pack case; a heat sink on a lower plate of the pack case; and a plurality of thermal resins between the plurality of battery modules and the heat sink configured to conduct heat from the plurality of battery modules to the heat sink and configured to be converted to an insulation layer by ceramicization during thermal runaway of the plurality of battery modules.
Resumen de: US20260269316A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes at least one additive selected from the group consisting of an organophosphorus compound and an organophosphite compound. The electrolyte solution 29 may further include a nonaqueous solvent, and the additive may be dissolved in the non-aqueous solvent.
Resumen de: US20260269423A1
Disclosed are a battery module, and a battery pack and a vehicle including the same.A battery module according to an embodiment of the present disclosure may include: a battery cell stack in which a plurality of battery cells is stacked; and a case configured to store the battery cell stack therein, wherein the battery cell includes a flame gas guide portion configured to guide flame or gas generated from the battery cell in one direction.
Resumen de: US20260266912A1
The present disclosure is directed to providing a battery management apparatus and method, which may shorten a transmission time of a plurality of response information by flexibly selecting a communication channel. According to an aspect of the present disclosure, transmission efficiency for a plurality of response information may be improved because a communication channel may be flexibly selected according to a data amount of response information to be transmitted. In addition, according to an aspect of the present disclosure, there is an advantage that a communication channel may be flexibly selected according to a state of each of a plurality of communication channels as well as the data amount of response information.
Resumen de: US20260265541A1
The present invention discloses an intumescent coating composition, a method for coating a substrate with said composition, a substrate coated with said composition, an article comprising said substrate, and a method to provide fire protection for a battery and/or an article comprising a battery in particular a vehicle comprising a lithium ion battery.
Resumen de: US20260264557A1
A method using temperature data to protect battery health during bidirectional charging in conjunction with monetization activities. The method includes receiving temperature data and determining anticipated energy needs of a building. The temperature data includes at least the temperature of one or more electric vehicle batteries or information required to determine the temperature of the one or more electric vehicle batteries while the anticipated energy needs are relative to ambient air temperature. The method includes determining an amount of discharge of the one or more electric vehicle batteries required to offset the anticipated needs of the building by a predetermined amount and determining based on the temperature data whether discharging the one or more electric vehicle batteries would be harmful to the health of the one or more electric vehicle batteries. The method includes discharging the one or more electric vehicle batteries to offset the anticipated needs of the building.
Resumen de: US20260269228A1
An anode material includes silicon-based particles and graphite particles, the average sphericity degree of the graphite particles is A, the average sphericity degree of the silicon-based particles is B, and A and B meet: 0
Resumen de: US20260269238A1
Provided is a positive electrode active material capable of improving performance of a lithium secondary battery, which includes a lithium composite transition metal oxide in a form of a single particle; and a coating portion which is formed on the lithium composite transition metal oxide and includes an amorphous lithium compound, wherein the coating portion includes a first coating portion in a form of a discontinuously formed island, and a second coating portion in a form of a continuously formed coating layer, the first coating portion and the second coating portion each independently include boron (B) and cobalt (Co), and a positive electrode and a lithium secondary battery including the same.
Resumen de: US20260269239A1
Provided are a positive electrode active material capable of improving performance of a lithium secondary battery, a method for preparing the same, and a positive electrode and lithium secondary battery including the same, wherein the positive electrode active material includes a lithium composite transition metal oxide in a form of a single particle; and a coating portion provided on the lithium composite transition metal oxide, the coating portion comprises a first coating portion in a form of a discontinuously formed island and a second coating portion in a form of a continuously formed coating layer, the first coating portion comprises boron (B), the second coating portion comprises a compound represented by Formula 1 or 2 described herein, and an amount of boron (B) among total metals excluding lithium in the positive electrode active material is 0.1 mol % to 1.25 mol %.
Resumen de: US20260269265A1
This application provides a lithium-rich metal oxide and a preparation method thereof, a positive electrode plate, a battery cell, and a battery. The lithium-rich metal oxide includes a lithium-rich metal oxide core; and a cladding layer, where the cladding layer includes an organic layer and a carbonaceous material, the organic layer clads the lithium-rich metal oxide core, and at least a portion of the carbonaceous material is embedded in the organic layer. The lithium-rich metal oxide of this application has high stability and conductivity, which is conducive to improving the performance of the battery cell.
Resumen de: US20260269425A1
A secondary battery and an electric apparatus. The secondary battery includes an electrolyte solution and a separator, the separator including a base film and a coating located on at least one side of the base film, where the secondary battery satisfies: 0.5≤G×H/(10×σ)≤13, G is a Gurley value of the base film, with a unit of s, H is a thickness of the coating, with a unit of μm, and σ is an electrical conductivity of the electrolyte solution at 25° C., with a unit of mS/cm.
Resumen de: US20260265858A1
An embodiment relates to a method for recovering metals from waste batteries by using a magnetic field-applied bioleaching process. According to one embodiment, applying a magnetic field to a bioleaching process improves the recovery rate of metals and leaching valuable metals. In addition, the method is environmentally friendly compared to a dry melting process or an acid leaching process, which has been mainly used for metal recovery, and is practical due to a simple process thereof. Therefore, the method for recovering metals of the present invention may recover metals from wastes in waste resources field such as waste batteries and waste catalysts and turn the metals into resources.
Resumen de: US20260269230A1
A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.
Resumen de: US20260269367A1
A battery comprising a plurality of battery modules arranged in a row, each battery module comprising a plurality of cells and a housing enclosing the plurality of cells. The battery further comprising a supply coolant conduit and a drain coolant conduit, each adjoining and extending along at least part of the row of battery modules, the supply coolant conduit being configured to supply coolant to multiple ones of the battery modules and the drain coolant conduit being configured to drain coolant from multiple ones of the battery modules.
Resumen de: US20260269420A1
Various embodiments of the present invention relate to a cylindrical lithium ion secondary battery. The present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cap assembly comprises a top plate having a flat surface on which a notch is formed, a middle plate coupled to the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly, attached to the middle plate with an insulating plate interposed therebetween, and connected to the top plate through the first through-hole of the middle plate.
Resumen de: US20260269332A1
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer comprises anode active particles, an anode electrically conducting material and an anode binder; wherein the anode binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer that comprises an ether linkage or comprises multiple hydroxyl groups and wherein the second repeat unit is derived from the polymerization of an ethylenically unsaturated monomer that comprises a hydrophilic pendant group.
Resumen de: US20260269305A1
This solid electrolyte battery includes: a positive electrode; a negative electrode; and a solid electrolyte layer sandwiched between the positive electrode and the negative electrode. The solid electrolyte layer contains a solid electrolyte containing Li, Zr, SOx, and one or more halogens. A first region of the solid electrolyte layer which is in contact with the negative electrode contains P. The solid electrolyte layer has a molar ratio of SOx to Zr of 0.25 to 3.0, a molar ratio of P to Zr of 0.02 to 0.6, and a molar ratio of the halogens to Zr of 3.0 to 6.1.
Resumen de: US20260269263A1
This composite includes: activated carbon that has a specific surface area of 1400 m2/g or greater and satisfies one or both of the following conditions (A) and (B); and at least one of elemental sulfur and a discharge product of elemental sulfur. (A) The peak width of the D band in the Raman spectrum of the activated carbon is 100 cm−1 or less. (B) The peak width of the G band in the Raman spectrum of the activated carbon is 70 cm−1 or less.
Resumen de: US20260262753A1
An aerosol generation device having a control unit, a first battery, and a heating unit for heating an aerosol source, wherein when a second battery is provided to a cover member attached to the device body, the control unit controls the supply of power from the second battery to the device body.
Resumen de: US20260269636A1
A power supply system includes a battery string and a controller that controls the battery string. The battery string includes a plurality of battery circuit modules connected in series. Each of the plurality of battery circuit modules includes a battery, an output terminal, and a switch circuit that switches between connection and disconnection of the battery to and from the output terminal. The controller is configured to individually perform, for each of the battery circuit modules, switching control to control the switch circuit in accordance with a duty ratio, the duty ratio indicating a ratio between a connection period during which the output terminal outputs a voltage of the battery, and a disconnection period during which the output terminal does not output the voltage of the battery.
Nº publicación: US20260266915A1 10/09/2026
Solicitante:
ANALOG DEVICES INTERNATIONAL UNLIMITED CO [IE]
Analog Devices International Unlimited Company
Resumen de: US20260266915A1
Technologies are provided for impedance measurements. In one aspect, a method for measuring impedance of an individual cell in a series of cells may include combining output voltages measured from the individual cell and output voltages measured from one or more neighboring cells before correlation with a stimulus current. The method may further include controlling switches associated with the individual cell and neighboring cell(s) in a certain sequence to generate the stimulus current and the output voltages for measurements. In another aspect, a local battery management system may measure voltage waveforms associated with a battery pack including a series of cells in response to a stimulus current and wirelessly transmit the measured response waveforms to a remote battery management system. The remote battery management system may calculate the impedance of the cells based on the measured voltage waveforms and stimulus current.
BOPI
Sede Electrónica
