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1255
resultados
Última actualización
10/02/2026 [07:21:00]
Resultados 825 a 850 de 1255
Resumen de: US20260031448A1
A battery cell may include: a housing having an opening; an electrode assembly, accommodated in the housing; and an end cap, including a cap body and a protruding structure, where at least a part of the cap body may be disposed around the protruding structure and laser-welded to the housing so that the end cap fits and covers the opening. In a thickness direction of the end cap, the protruding structure may protrude from an inner surface of the cap body toward the electrode assembly, and block a laser beam during welding between the cap body and the housing. A first recess may be formed on the end cap at a position corresponding to the protruding structure, and recessed from an outer surface of the cap body toward the electrode assembly.
Resumen de: US20260031480A1
A secondary battery according to an exemplary embodiment of the present disclosure includes an electrode assembly including separators stacked to enclose each of a plurality of electrode plates disposed therein; and a separator coupling part disposed on one side of the electrode assembly to support the separators, wherein the separator coupling part includes an internal coupling part disposed on an inner side of an edge of the separator to couple at least partial regions of the separators that face each other.
Resumen de: US20260031470A1
A battery cell, a battery, and an electric device. The battery cell comprises: an electrode assembly, and a housing, the housing comprising a first wall portion and two second wall portions, wherein the first wall portion is provided with a pressure relief portion, and the pressure relief portion is provided with a notch groove recessed in a second direction; the pressure relief portion is configured to crack along at least part of the notch groove when the battery cell is subjected to pressure relief; and in a first direction, the notch groove is spaced apart from the outer surface of either of the two second wall portions.
Resumen de: US20260031464A1
A battery module includes a case that accommodates a wiring member; and a plate member that is disposed at an end portion of each of a plurality of battery cells and supports the case, in which a lock hole and a guide hole are provided side by side on a side surface of the plate member facing the case, the case includes a main body that accommodates the wiring member, and an engagement protrusion and a guide protrusion protruding from the main body, the engagement protrusion is inserted into the lock hole to engage with the plate member, and the guide protrusion is inserted into the guide hole to guide the engagement protrusion to the lock hole, and is longer than the engagement protrusion.
Resumen de: US20260031462A1
A system and method for flight control of an aircraft, the flight control system including a plurality of flight components coupled to an aircraft, wherein the plurality of flight components includes a plurality of redundant control surfaces, a plurality of redundant low voltage buses communicatively connected to the plurality of flight components, wherein a failure in a redundant low voltage bus of the plurality of redundant low voltage busses does not impact the operability of the aircraft.
Resumen de: US20260031446A1
A battery cell, a battery, and an electric apparatus are provided, which can improve the pass rate of assembly of batteries. The battery cell includes: a casing having an opening; an end cap closing the opening; and an insulating member disposed within the casing, where one of the insulating member and the end cap is provided with a first groove, and the other thereof is provided with a first protrusion, the first groove and the first protrusion cooperating with each other.
Resumen de: US20260031447A1
A battery shell, a single battery cell, and a battery pack are provided. The battery shell includes: a battery shell body, wherein the battery shell body is provided with an opening; and a top cover body, wherein the top cover body is covered on the battery shell body at the opening, an end surface, facing the top cover body, of the battery shell body is defined as an upper end surface, and the upper end surface is divided into a first area and a second area located at an outer side of the first area towards an edge; the top cover body is assembled on the first area of the battery shell body, and a welding gap is formed between the second area of the battery shell body and an outer edge of the top cover body.
Resumen de: US20260031444A1
A power storage device packaging material including a substrate layer, a barrier layer, a thermal adhesive resin layer or an adhesive layer, and a sealant layer that are laminated in this order, wherein in a case where (I) represents the sealant layer or the thermal adhesive resin layer and the sealant layer and (II) represents the substrate layer, a loop stiffness value of (I) is 10 mN or more and 80 mN or less, a loop stiffness value of (II) is 2 mN or more and 20 mN or less, a ratio (I/II) between the loop stiffness value of (I) and the loop stiffness value of (II) is 1.0 or more and 15 or less, and a ratio (I/II) between a thickness of (I) and a thickness of (II) is 1.0 or more and 8.0 or less.
Resumen de: US20260031445A1
An extinguishing sheet assembly, a battery pack including the extinguishing sheet assembly, and an electric vehicle including the battery pack are disclosed. The extinguishing sheet assembly may include an extinguishing sheet including an extinguishing agent, and a case in which the extinguishing sheet is detachably received and includes an exposed area. The case may include a body, a plurality of legs extended from the body to support the body, and a receiving portion extended from the body and into which the extinguishing sheet is inserted.
Resumen de: US20260031461A1
Disclosed is a battery pack, including: multiple cells; a casing, wherein the inner bottom surface of the casing has a stepped surface for dividing the inner bottom surface of the casing into at least two placement areas having a height difference in the height direction of the casing, and the cells are placed in each of the placement areas. With stepped surfaces disposed on the inner bottom surface of the casing, the battery pack provided by the present disclosure may form at least two placement areas with height differences within the casing, making it possible to provide a force to the adhesive located in the placement area with a higher height, helping the adhesive flow toward the placement area with lower height. This helps improve the fluidity of the adhesive within the casing, and making it easier for the adhesive to fully fill various areas of the casing.
Resumen de: US20260031440A1
A rolled product is made of an aluminium alloy ensures the cost-effective use of secondary aluminium and ensures processing capability on existing production facilities and equipment for the manufacture of battery cell housings. This is achieved by the rolled product made of an aluminium alloy for the manufacture of a battery cell housing having an aluminium alloy with the following alloy components in % by weight:0.1%≤Si≤0.7%,0.2%≤Fe≤0.8%,Cu≤0.6%,0.3%≤Mn≤1.5%,0.025%
Resumen de: US20260031442A1
Embodiments of the present application disclose a battery cell, a battery, and a power consuming device. The battery cell includes an electrode assembly, a first electrode terminal, and a case. The electrode assembly includes a first tab. The case includes a barrel and a cover connected to the barrel. The barrel is disposed around an outer periphery of the electrode assembly. The cover includes the first electrode terminal. The first tab is electrically connected to the first electrode terminal by using the barrel. The case is of a multi-layer structure. The multi-layer structure has different resistivity.
Resumen de: US20260031443A1
A secondary battery includes an electrode assembly, a packaging bag, a tab, and an easy-peel adhesive tape. A main body portion of the packaging bag includes a first surface, a second surface, a first side surface, a second side surface, and a third side surface. The tab protrudes from the first side surface. The easy-peel adhesive tape includes a first surface region, a second surface region, a first side surface region that is adhered to the first surface, to the second surface, and to the third side surface respectively. A first lug of the easy-peel adhesive tape is adhered to the second side surface, and a second lug of the easy-peel adhesive tape is adhered to the second side surface. The second lug and the first lug have a first overlapping portion.
Resumen de: US20260031441A1
A heat-shrink sleeve film includes a framework material and a functional polymer, where a glass transition temperature of the functional polymer is −80° C. to 50° C., and a glass transition temperature of the heat-shrink sleeve film is 10° C. to 65° C. The heat-shrink sleeve film releases its internal residual stress during processing or cycling of a battery, thereby alleviating the post shrinkage of a battery cell in a later stage of cycling, and improving the high- and low-temperature performance of the battery cell.
Resumen de: US20260031439A1
Provided are a short-cut carbon fiber composite (SCFC)-high strength steel (HSS) hybrid bionic structure battery box and its integrated forming method. A SCFC-HSS hybrid bionic structure lower box body includes a lower box framework made of high strength steel and a SCFC lower box matrix; and an upper box body and the lower box are connected by bolts to form a complete SCFC-HSS hybrid bionic structure battery box. A high strength steel lower box framework scheme is designed based on the principle of bionics, then welding and surface treatment are carried out to obtain a bionic lower box framework structure, and the bionic lower box framework structure is placed in a mold for integrated injection molding using a SCFC matrix material.
Resumen de: US20260031436A1
A secondary battery includes: an electrode assembly including a cathode, an anode and a separator; a battery case that houses the electrode assembly; and a protective member formed between the electrode assembly and the battery case. The protective member includes a first protective layer, a second protective layer, and a denaturation member formed between the first protective layer and the second protective layer.
Resumen de: US20260031432A1
An energy storage system, an energy storage module, and an electric apparatus. The energy storage system includes a main heat exchange medium pipeline, a heat exchange unit, a self-sealing joint unit, and at least one battery. The battery includes at least one battery cell, the heat exchange unit is used for exchanging heat with the battery cell, the heat exchange unit is provided with a heat exchange medium port for a heat exchange medium to enter or exit, and the heat exchange medium port is in communication with the main heat exchange medium pipeline via the self-sealing joint unit.
Resumen de: US20260031433A1
Implementations of an electronic power unit may include a heater disposed in a battery pack, the heater electrically coupled with a heater controller and with a battery controller; and an exterior case, the exterior case enclosing the heater and the battery pack, the exterior case including an end that accommodates the power input of a military vehicle, the end including a coaxial connector.
Resumen de: US20260030735A1
The present disclosure provides a battery welding defect detection system, method, device, and storage medium, wherein the system includes: the acquisition processing module, configured to acquire the welding image of the battery welding object and pre-process the welding image to obtain the processed welding image; the defect statistic module, configured to classify and count the processed welding image based on the target detection model to obtain the plurality of battery candidate frames; and the detection analysis module, configured to obtain the corresponding battery detection result according to the preset threshold and the battery candidate frames by the target detection model. The present disclosure performs the defect defection on the processed battery welding image based on the target detection model, thereby significantly improving the detection efficiency and the accuracy of the results, and at the same time effectively reducing the production cost.
Resumen de: US20260029374A1
An apparatus for detecting a defect in a folded portion of a casing of a battery cell, the apparatus includes a magnetic field outputter configured to output a magnetic field to the folded portion of the casing of the battery cell, a property measuring instrument configured to measure a property of the folded portion according to the magnetic field, and a controller configured to generate defect information of the folded portion, based on a measurement result of the property measuring instrument.
Resumen de: US20260029360A1
An electrified vehicle system is presented. The electrified vehicle system has a traction battery incorporating a plurality of electrically connected array modules submerged in a cooling fluid. A sensing component, coupled with at least one array module and immersed in the cooling fluid, is configured to detect a voltage drop when the fluid's contamination level reaches a threshold, thereby increasing electrical conductivity. This sensed voltage drop is communicated to a traction battery monitoring system, enabling proactive management of cooling fluid integrity.
Resumen de: US20260029487A1
A battery system includes an assembled battery including unit cells and a detection unit provided in at least one unit cell. A battery diagnostic apparatus calculates a state-of-health based on a parameter for degradation diagnosis detected by the detection unit for at least one unit cell, and calculates a change amount of a state-of-charge caused by energization, for the unit cells. When a unit cell of which the state-of-health is calculated is a first unit cell and a unit cell of which the state-of-health is not calculated is a second unit cell, the battery diagnostic apparatus calculates, as the state-of-health of the second unit cell, a value obtained by multiplying a change amount ratio that is a ratio of the change amount of the state-of-charge of the first unit cell to the change amount of the state-of-charge of the second unit cell by the state-of-health of the first unit cell.
Resumen de: US20260029486A1
A method for estimating a life of a battery includes measuring capacities of the battery based on a plurality of different temperatures and a plurality of different currents, selecting a reference capacity of the battery based on a reference temperature and a reference current, applying the reference capacity to derive compensation values with respect to the plurality of different temperatures and the plurality of different currents, identifying a start extant capacity of the battery at start of use of the battery, integrating the currents of the battery in a use time of the battery, and correcting the integration current to at least one of the compensation values, identifying an end extant capacity of the battery at end of use of the battery, and obtaining the life of the battery based on the start extant capacity of the battery, the end extant capacity of the battery, and the corrected integration current.
Resumen de: US20260029477A1
An estimation device includes: an acquisition portion acquiring time-series data of a current and a voltage of an energy storage device; a calculation portion calculating time-series data of an amount of electricity or an SOC, based on the time-series data of the current and the voltage acquired by the acquisition portion; a generation portion generating a partial charge/discharge profile of the energy storage device, based on the time-series data of the current and the voltage acquired by the acquisition portion and the time-series data of the amount of electricity or the SOC calculated by the calculation portion; and an estimation portion estimating an overall discharge characteristic of the energy storage device, based on a parameter representing an internal state amount of the energy storage device, the parameter being adjusted in such a way that a profile of a predetermined section in the overall discharge characteristic of the energy storage device approaches the partial charge/discharge profile.
Nº publicación: US20260029485A1 29/01/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US20260029485A1
A method for diagnosing degrees of degradation of a plurality of battery cells constituting a battery pack by a battery management system includes: computing accumulated energy for the battery pack using a battery pack current flowing through the battery pack and a battery pack voltage that is a voltage of the battery pack; calculating a cell capacity of each of the plurality of battery cells every predetermined cell capacity calculation cycle; calculating a cell capacity difference every cell capacity calculation cycle for each of the plurality of battery cells; calculating a degree of change in cell capacity difference for each of the plurality of battery cells every accumulation cycle during which the accumulated energy increases by a predetermined unit; and diagnosing whether each battery cell is abnormal according to a result of comparing the degree of change in cell capacity difference calculated every accumulation cycle with a predetermined threshold value.
BOPI
Sede Electrónica
