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1446
resultados
Última actualización
27/03/2026 [07:19:00]
Resultados 1075 a 1100 de 1446
Resumen de: US20260074384A1
In one exemplary embodiment, an electrode sheet is provided. The electrode sheet has a longitudinal direction and a lateral direction and constitutes an electrode of a secondary battery by being wound with the lateral direction as an axial direction. The electrode sheet includes a current collector that includes a resin layer, and a first current collecting layer and a second current collecting layer that are respectively provided on both surfaces of the resin layer; a first active material layer that is provided on a surface of the first current collecting layer on a side opposite to the resin layer; and a first metal sheet that is bonded to one end of the first current collecting layer in the lateral direction and has a first bonding mark formed along the longitudinal direction by the bonding, where the first metal sheet has a first extending part that extends from the first current collecting layer in the lateral direction.
Resumen de: US20260074328A1
The present disclosure relates to a secondary battery, a crimping device for a secondary battery, and a crimping method using the crimping device. A secondary battery according to various embodiments of the present disclosure comprises: a battery can configured to accommodate an electrode assembly; and a cap plate coupled to one side of the battery can, wherein the cap plate is in contact with and electrically connected to the battery can.
Resumen de: US20260074315A1
An energy storage system and a self-heating method therefor are provided. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is lower than a preset permissible operation temperature, an electric energy conversion apparatus is controlled to operate in a reactive operation mode. Since a cooling liquid of the energy storage system can heat conduction with the electric energy conversion apparatus and a battery pack, the battery pack is heated by means of the flow of the cooling liquid; and after the battery temperature reaches the preset permissible operation temperature, the electric energy conversion apparatus can be controlled to operate in a normal operation mode.
Resumen de: US20260074314A1
Proposed is an apparatus for disposing of battery cells, the apparatus comprising, a conveying device conveying a worktable with a battery cell placed thereon in one direction, a guiding device guiding a position where the battery cell is to be placed on the worktable and sensing whether the battery cell is placed on the worktable, a sensing device sensing a presence or absence of a folding portion and a length of a tab of the battery cell, an aligning device aligning the battery cell in a first direction based on the presence or absence of the folding portion and in a second direction based on the length of the tab, a damaging device damaging a part of a pouch film so that an electrode assembly is exposed, and an unloading device making contact with a lower surface of the damaged battery cell and lifting the battery cell from the worktable.
Resumen de: US20260074313A1
Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter into a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.
Resumen de: US20260074312A1
A method of manufacturing a non-aqueous electrolyte secondary battery includes the steps of obtaining a battery assembly, charging, and sealing. The battery assembly includes an electrode body, a non-aqueous electrolyte solution, and a battery case including a through hole. The step of charging involves charging the battery assembly. The step of sealing involves sealing the through hole with a sealing member after the charging step. In the step of charging, the charging is performed under a charging condition that causes a temperature of a gas inside the battery case increases. The step of sealing is performed while keeping the temperature inside the battery case having been increased. After the step of sealing, the temperature inside the battery case decreases, and the gas inside the battery case contracts, to thereby cause a contraction and/or an internal pressure decrease of the battery case.
Resumen de: US20260072091A1
A method of manufacturing a power storage device including plural power storage cells includes a wire forming process of forming a wire of the power storage device such that adjacent power storage cells in the power storage device are connected to a common wire, and a resistance measuring process of measuring an electrical resistance of at least a part of the formed wire. In the resistance measurement process, the voltage of the open circuit including the second power storage cell and the common wire portion is measured while a current is supplied to the closed circuit including the first power storage cell and the common wire portion with respect to the common wire portion of the first power storage cell and the second power storage cell adjacent to each other in the power storage device, and the electrical resistance of the common wire portion is acquired using the measured voltage.
Resumen de: US20260072094A1
Disclosed is a battery aging assessment method based on multi-source and multi-scale high-dimensional state space modeling in the field of energy storage in renewable power systems. The method includes: acquiring a time series of each discharge process within a preset number of discharge cycles of a sample battery; determining a first state transition path and a second state transition path based on discharge parameters corresponding to the time series; establishing a benchmark working-state transition path; calculating multiple sample distances between the second state transition path and the benchmark working-state transition path; training a battery aging assessment model using the sample distances as input and corresponding target state-of-health values as output; calculating a target distance between a state transition path of a to-be-predicted target battery and the benchmark working-state transition path.
Resumen de: US20260072087A1
Discussed is a state prediction apparatus that may include a data managing unit configured to extract first battery data including battery data obtained for a first predetermined time after completion of charging of a battery and second battery data including battery data obtained for a second predetermined time after entering of discharging of the battery and a controller configured to obtain first state data for predicting a state of the battery by applying the first battery data to a first deep learning model, obtain second state data for predicting the state of the battery by applying the second battery data to a second deep learning model, and predict the state of the battery based on the first state data and the second state data.
Resumen de: US20260072099A1
A secondary battery testing device including: a support bulkhead configured to contact one side surface of a battery cell for an internal short-circuit test; a penetration bulkhead opposite to the support bulkhead and configured to contact an opposite side surface of the battery cell, the penetration bulkhead having an access opening extending therethrough toward the support bulkhead; a bulkhead connector connecting the support bulkhead and the penetration bulkhead to each other and maintaining a gap between the support bulkhead and the penetration bulkhead; an alignment mechanism mounted on the penetration bulkhead and having a nail guide corresponding to the access opening and having a guide passage; and a nail configured to penetrate the battery cell through the guide passage to cause an electrical short-circuit of the battery cell.
Resumen de: US20260074279A1
Disclosed is a solid electrolyte membrane, a method for manufacturing the same, and an all-solid-state battery including the same. More specifically, the solid electrolyte membrane includes a first solid electrolyte layer including a first solid electrolyte and a first fibrous binder and a second solid electrolyte layer including a second solid electrolyte and a second fibrous binder, stacked adjacent to each other, wherein the weight of the first fibrous binder relative to the total weight of the first solid electrolyte layer is less than the weight of the second fibrous binder relative to the total weight of the second solid electrolyte layer. Since the weight of a first fibrous binder included in the first solid electrolyte layer is less than the weight of the second fibrous binder included in the second solid electrolyte layer, the strength may be improved without lowering the ionic conductivity of the solid electrolyte membrane.
Resumen de: US20260074284A1
The non-aqueous electrolyte solution disclosed herein includes a supporting salt, a non-aqueous solvent and a compound having a triphenylmethane skeleton. The above-described compound includes a branched hydrocarbon group and a hydroxy group. The above-described branched hydrocarbon group exists on a phenyl group in the above-described triphenylmethane skeleton and has 3 or more carbon atoms. The above-described hydroxy group exists on the above-described phenyl group and is next to the above-described branched hydrocarbon group.
Resumen de: US20260074278A1
A solid electrolyte layer for a lithium secondary battery that suppresses the generation of internal short-circuit caused by a dendrite composed of lithium metal is provided. The solid electrolyte layer includes a plurality of particles of a first solid electrolyte and a second solid electrolyte coating a surface of the plurality of particles and filling in a space among the plurality of particles. The second solid electrolyte is a sulfide solid electrolyte or an oxide solid electrolyte.
Resumen de: US20260074276A1
The present disclosure relates to an electrolyte product (1), formed as a solid or semi-solid layer, comprising a polymer-based matrix, having dispersed therein an amount of an electrolyte salt composition (4) and an amount of an additive salt composition (5). The disclosure further relates to a method of manufacturing a battery cell product, a battery cell product comprising the electrolyte product, and a battery product comprising a plurality of battery cell products.
Resumen de: US20260074270A1
A device for pressing and sealing an all-solid-state secondary battery protects one or more all-solid-state secondary batteries placed in an internal space created by a first cover and a second cover being vacuum-sealed to each other from heat-transfer fluid, while preventing bending or warping that may occur in the secondary batteries during a WIP process.
Resumen de: US20260074372A1
A separator and a preparation method of separator, a battery cell including the separator, a battery including the battery cell, and an electric device including the battery, where the separator includes at least two base films and a functional layer interposed between two adjacent base films, and the base film includes at least two components.
Resumen de: US20260074398A1
An electric power storage module including: an electrode stack including a plurality of electrodes each including a current collector and a detection line joined to the current collector; and a sealing body provided on the electrode stack to surround the electrode stack and configured to seal an internal space between the current collectors adjacent to each other, in which the sealing body includes a plurality of sealing members made of a resin and welded to the plurality of electrodes, respectively, a plurality of spacers each of which is made of a resin, disposed between the sealing members adjacent to each other, and forms the internal space together with each of the sealing members, and an outer side face formed by welding the sealing members and the spacers to each other.
Resumen de: US20260074376A1
An electrode assembly comprises an active substance-coated part and a tab part. The tab part comprises a plurality of tab pieces, overlapping parts of the plurality of tab pieces forming an overlapping region, and misaligned parts of the plurality of tab pieces forming a misalignment region connected to the overlapping region. The misalignment region comprises a first connection part and a second connection part, the side of the first connection part in a first direction being connected to the active substance-coated part, and the second connection part being connected to the other side of the first connection part in the first direction. In a second direction, the end of the second connection part away from the overlapping region is closer to the overlapping region than the end of the first connection part away from the overlapping region.
Resumen de: US20260074394A1
A conductive structure and a manufacturing method, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other. A metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is configured to connect to a tab. In the conductive structure, the metal layer bonded to the surface of the first end of the metal post is arranged to extend from the surface of the first end of the metal post to the second end. An end surface of the first end of the metal post and at least part of a surface of the metal post are covered by the metal layer.
Resumen de: US20260074365A1
A power storage module includes a module main body having an electrode stack in which a plurality of electrodes are stacked; and a pressure control valve attached to the module main body. The pressure control valve includes a housing having a first wall that has a communication hole, a second wall, and a first protrusion formed in the second wall, and a valve body accommodated in the housing so as to close the communication hole. The second wall has a first hole that is opened at an outer surface of the second wall, and a second hole that is opened at the outer surface, the second hole being positioned vertically above the first hole. The first protrusion protrudes outward from the outer surface along a first direction, and extends so as to partition between the first hole and the second hole, as viewed in the first direction.
Resumen de: US20260074303A1
A battery module may include battery cells, two sensors connected to the battery cells and configured to generate voltage data, an analog front-end integrated circuit (AFE IC) connected to the sensors and configured to generate a (1-1)-th and (1-2)-th control signal based on the voltage data, a (1-1)-th switching element connected to a first battery cell and the AFE IC and configured to perform an on/off operation based on the (1-1)-th control signal, a (1-2)-th switching element connected to a second battery cell and the AFE IC and configured to perform an on/off operation based on the (1-2)-th control signal, a microcontroller unit (MCU) connected to the AFE IC, and a cell balancing circuit connected to the (1-1)-th switching element and the (1-2)-th switching element and configured to perform balancing on the battery cells according to the on/off operations of the (1-1)-th switching element and the (1-2)-th switching element.
Resumen de: US20260074304A1
A battery communication management device, including a rack battery management part including a microcontroller and an interface converter, and a plurality of module battery management parts in serial connection with the rack battery management part and managed by the rack battery management part, wherein each of the plurality of module battery management parts manages a battery module, each of the plurality of module battery management parts includes an analog front end, and the microcontroller determines a type of communication failure between the rack battery management part and the plurality of module battery management parts.
Resumen de: US20260074305A1
A battery management system (BMS) including a memory in which a resistance value of a wiring resistor of an electrical connection path between a battery cell and the BMS is stored, and a processor configured to measure a first cell voltage of the battery cell and to remove a voltage error due to the wiring resistor reflected in the measured first cell voltage based on the resistance value of the wiring resistor stored in the memory to estimate a second cell voltage that is an actual voltage of the battery cell.
Resumen de: US20260074230A1
A modified electrode plate includes an electrode plate, the electrode plate having element sodium or element lithium on its surface, and the electrode plate including a pre-lithiated negative electrode plate or a pre-sodiated negative electrode plate; a protective film, the protective film including a first group and a hydrophobic group, the first group being attached to the surface of the electrode plate, and the hydrophobic group being distal from the electrode plate and the hydrophobic group including a hydrophobic group and being exposed on a surface of the protective film. Disposing the protective film having the hydrophobic group on the surface of the electrode plate can effectively block water, oxygen, or carbon dioxide in the air so as to effectively prevent water, oxygen, or carbon dioxide from passing through the protective layer to react with active components in the electrode plate.
Nº publicación: US20260074229A1 12/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260074229A1
A negative electrode and an all-solid-state batteries including the negative electrode are provided. A negative electrode includes a negative electrode current collector, a coating layer comprising carbon and a first metal on the negative electrode current collector, and a functional layer between the negative electrode current collector and the coating layer. The functional layer includes a second metal. Each of the first metal and the second metal includes at least one lithiophilic element selected from among silver (Ag), gold (Au), magnesium (Mg), indium (In), titanium (Ti), gallium (Ga), platinum (Pt), palladium (Pd), silicon (Si), aluminum (Al), bismuth (Bi), tin (Sn), and/or zinc (Zn).
BOPI
Sede Electrónica
