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1029
resultados
Última actualización
24/01/2026 [07:10:00]
Resultados 250 a 275 de 1029
Resumen de: WO2026018231A1
The present invention relates to a battery pack for controlling charging or discharging, and a controlling method thereof, the charging/discharging control allowing charging current between battery packs to be consumed to protect the battery packs, thereby solving an impedance difference between battery packs, which occurs when the battery packs are connected in parallel in a low-temperature or high-temperature environment.
Resumen de: WO2026016589A1
A secondary battery, an electrical device, artificial graphite, and a preparation method therefor. The secondary battery comprises a negative electrode plate. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector. The negative electrode film layer comprises artificial graphite. The artificial graphite comprises a surface portion and a central portion. The surface portion is continuously or discontinuously distributed on the central portion. An interplanar crystal spacing D002 of the surface portion is greater than an interplanar crystal spacing D002 of the central portion, the interplanar crystal spacing D002 being an interlayer spacing of the graphite (002) crystal plane.
Resumen de: WO2026016580A1
The present application relates to a solid-state battery and a preparation method therefor, and an electrical device. The solid-state battery comprises a solid electrolyte layer, and a positive electrode layer and a negative electrode layer which are located on two sides of the solid electrolyte layer; an interface functional layer is provided between the solid electrolyte layer and at least one of the electrode layers; the interface functional layer between the positive electrode layer and the solid electrolyte layer is a positive electrode interface functional layer, and the interface functional layer between the negative electrode layer and the solid electrolyte layer is a negative electrode interface functional layer; the mass percentages of organic components in the positive electrode interface functional layer, the negative electrode interface functional layer, a positive electrode active material layer in the positive electrode layer, a negative electrode active material layer in the negative electrode layer, and the solid electrolyte layer are respectively denoted as fm1, fm2, fmP, fmN, and fmE; when the positive electrode interface functional layer is present, fm1 is less than at least one of fmP and fmE; when the negative electrode interface functional layer is present, fm2 is less than at least one of fmN and fmE.
Resumen de: WO2026016366A1
The present application provides a cycle life prediction method for a battery, an electronic device, and a storage medium. The method comprises: performing a charge-discharge cycle test on a battery to undergo prediction, to obtain first measured data, and performing a storage cycle test on the battery, to obtain second measured data; on the basis of the first measured data and the second measured data, determining a capacity degradation rate model of the battery; and on the basis of the capacity degradation rate model, determining the cycle life of the battery, thereby improving the accuracy of battery cycle life prediction.
Resumen de: US20260023122A1
An off-the-production-line test method, apparatus, and system for a wireless communication battery management system (BMS) are provided. The method includes: sending first analog signals in a one-to-one correspondence with a plurality of electronic information acquisition units of a BMS to the plurality of electronic information acquisition units through physical connection lines such that the plurality of electronic information acquisition units generate respective first address information; sending addressing information to the plurality of electronic information acquisition units, and establishing wireless communication with the plurality of electronic information acquisition units after the plurality of electronic information acquisition units respond to the addressing information; and receiving to-be-tested battery information uploaded by the plurality of electronic information acquisition units, and determining the electronic information acquisition unit corresponding to each piece of to-be-tested battery information based on the respective first address information of the plurality of electronic information acquisition units.
Resumen de: US20260023129A1
Examples of the computer-implemented technology disclosed herein establish limits for at least one component of complex impedance for each of a plurality of cells of a battery of a battery type at each of at least one frequency, thereby establishing a safe operating area for the battery within the limits. Such examples measure the at least one component of complex impedance of each of at least one cell of a given battery of the battery type. Such examples compare the measured at least one component of complex impedance to the limits. Such examples manage operation of the given battery based on the comparison.
Resumen de: US20260022936A1
Detection devices and methods for detection devices are provided. The detection devices may include a measurement module configured to measure a thickness of at least one electrode; and a processor electrically connected to the measurement module, wherein the processor may be configured to: determine whether the at least one electrode includes a groove based on the measured thickness of the at least one electrode; and determine whether the at least one electrode is a defective electrode based on a comparison between the groove in the at least one electrode and a reference shape, such that the groove in the at least one electrode corresponds to a wave-shaped groove.
Resumen de: US20260023001A1
A bottom guard plate testing device for a battery pack is provided, which includes a pedestal and a test mechanism. The pedestal is configured to place a bottom guard plate, the pedestal is provided with a measuring recess, a pressure sensor or a plastically deformable member is arranged in the measuring recess, and a cushion block is arranged on the pedestal. The bottom guard plate and the pedestal are spaced apart by the cushion block to form an impact cavity, and the measuring recess is located in the impact cavity. The test mechanism includes a test bracket and an impact assembly, the test bracket and the impact assembly are arranged on one side of the pedestal, the impact assembly is suspended on the test bracket, and the impact assembly is located directly above the pedestal.
Resumen de: US20260024888A1
Disclosed is an adapter sheet, configured to electrically connect the electrode assembly and the top cover, and including: a main body, including a body tab welding part and a body top cover welding part connected to each other; a support part and a flexible part, wherein the support part is connected to the main body through the flexible part, and the flexible part is configured to fold the support part relative to the main body, and a tab of the electrode assembly is clamped between the main body and the support part. The purpose of the present disclosure lies in providing an adapter sheet, a secondary battery, a battery assembly and an electronic device to at least improve the safety performance of the secondary battery.
Resumen de: US20260024814A1
A battery and an electrical device. The battery comprises an electrolyte solution. The electrolyte solution comprises a first diluent, the first diluent comprising at least one of the compounds represented by formulas (I) to (IV),where R11, R12, R13, R14, R21, R22, R23, R24, R31, R32, R33, R34, R35, R41, R42, R43 and R44 each independently comprise any one of H, F, Cl, Br, I, alkyl having 1-3 carbon atoms, and haloalkyl having 1-3 carbon atoms, and at least one of R11, R12, R13 and R14 comprises any one of haloalkyl having 1-3 carbon atoms, F, Cl, Br and I.
Resumen de: US20260024877A1
The present disclosure relates to the formation of a freestanding. microporous polyolefin membrane that exhibits both high temperature dimensional stability and acid-scavenging capability. Such membranes can include hydrotalcite particles that can contribute to high temperature dimensional stability and acid scavenging. Such membranes can be used to improve the manufacturability, performance (e.g., cycle life), and safety of energy storage devices such as lithium-ion batteries.
Resumen de: US20260024898A1
Disclosed are a secondary battery, a battery assembly, and an electronic device. The secondary battery includes a housing, an electrode assembly, a terminal, an insulation sealing member, and a lower plastic component. The housing includes an end wall, and the end wall is provided with a terminal hole. The terminal includes a columnar part, an outer flange, and an inner flange. The columnar part passes through the terminal hole. The outer flange is located outside the housing, and extends from the columnar part toward the outer periphery of the end wall. The inner flange is located inside the housing, and extends from the columnar part toward the outer periphery of the end wall. The insulation sealing member includes an integrally formed external insulation part, a hole insulation part, and an internal insulation part. The external insulation part is located between the outer flange and the end wall.
Resumen de: US20260024889A1
This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.
Resumen de: WO2026016551A1
The present application relates to the technical field of batteries, and provides a charging method for a battery in a low-temperature state, a battery, an electric device, and a charging device. The charging method comprises: determining a state of charge of a current battery, obtaining a first initial state of charge of the current battery, discharging the current battery for temperature recovery, and obtaining a first intermediate state of charge of the current battery after discharging, and a first discharging duration; and performing charging and energy replenishment on the current battery, wherein by using the first intermediate state of charge as a charging starting point, the current battery is charged under a certain charging condition until a preset final state of charge of the current battery is reached, a required charging duration is a first charging duration, and a charging duration of the current battery is the sum of the first discharging duration and the first charging duration. The charging method of the present application is applicable to charging a battery in a low-temperature state, and can reduce the probability of lithium precipitation in the battery and shorten the charging duration.
Resumen de: WO2026016534A1
Disclosed in the present invention are a multi-sided cooling liquid-cooling system and a power battery pack. The power battery pack comprises a first-layer module, a second-layer module and a third-layer module distributed in three layers from bottom to top. The multi-sided cooling liquid-cooling system comprises: a first liquid cooling plate arranged on the bottom surface of the first-layer module, a second liquid cooling plate arranged between the top surface of the first-layer module and the bottom surface of the second-layer module, two third liquid cooling plates arranged between two sides of the top surface of the second-layer module and the bottom surface of the third-layer module, a fourth liquid cooling plate arranged in the middle of the top surface of the second-layer module, and two fifth liquid cooling plates arranged on two sides of the top surface of the third-layer module, wherein liquid inlets of the first liquid cooling plate, the second liquid cooling plate, the third liquid cooling plates, the fourth liquid cooling plate, and the fifth liquid cooling plates are in communication with liquid inlet piping, and liquid outlets are in communication with liquid outlet piping; the first liquid cooling plate, the fourth liquid cooling plate, and the fifth liquid cooling plates are stamped cold plates, and the second liquid cooling plate and the third liquid cooling plates are profiled cold plates.
Resumen de: US20260023094A1
A sensor unit (10) is loaded into battery production equipment and comprises a bottomed cylindrical case (11) that is processed similarly to a battery outer can by the battery production equipment, and a sensor that detects a force acting on the case from the battery production equipment. The sensor unit further comprises a first component (20) to which the sensor is attached and which is accommodated inside the case, and at least one second component (50) made of resin, the second component (50) being disposed so as to engage with the outside of the first component. The second component comprises an elastic part that is elastically pressed against the inner circumferential surface of the case, and a hollow section formed inside of the elastic part.
Resumen de: US20260023032A1
A testing apparatus comprises: a ray source and a ray detector, which are oppositely arranged; and a carrying mechanism, which is located between the ray source and the ray detector, wherein the carrying mechanism comprises a carrying body and a first shielding plate, the first shielding plate is configured to block at least some rays projected onto the first shielding plate from penetrating through, the carrying body is configured for the placement of an object to be tested, edges of a projection area of rays emitted by the ray source on the plane where the first shielding plate is located are located inside edges of the first shielding plate, and the first shielding plate is configured to match said object so that the rays emitted by the ray source are projected to the ray detector through at least one of the first shielding plate and said object.
Resumen de: US20260023039A1
An analysis system and an analysis method, capable of setting a sample in an atmosphere where the residual water content is reduced, without using a glove box with high airtightness. An analysis system 100 according to this disclosure includes: a sample holding section 10 that holds a sample to be analyzed; an airtight section 20 that has an opening portion (lower opening 23a) to internally house the sample holding section 10 through the opening portion; and a surrounding section 30 having flexibility and visible light permeability that separates the sample holding section 10 and the opening portion of the airtight section 20 from the outside. The airtight section 20 can transition in state between a housing state where the airtight section 20 internally houses the sample holding section 10 and airtightly closes the opening portion with respect to the inside of the surrounding section 30 and a non-housing state where the sample holding section 10 is located outside the airtight section 20. When at least the airtight section 20 is in the non-housing state, a cooling section is arranged inside the surrounding section 30 but outside the airtight section 20.
Resumen de: US20260023041A1
An impurity detection support device includes: a pipe; a pair of electrodes; a power supply unit that applies an AC voltage with a frequency fixed at a predetermined operating frequency or superimposes an AC current with a frequency fixed at the operating frequency between the pair of electrodes; a measurement unit that measures a current or a voltage generated between the pair of electrodes; and a calculation unit that calculates a resistance of the liquid under test using a measurement result of the measurement unit. The operating frequency is determined based on a resistance of the liquid under test or a resistance of a reference solution not containing impurities measured by AC impedance method.
Resumen de: US20260024860A1
A box protection structure includes a bottom protection plate, a battery module placed on the bottom protection plate, a reinforcing plate disposed on a side of the bottom protection plate facing away from the battery module, and buffer blocks disposed on a side of the bottom protection plate facing the battery module. The buffer blocks are disposed between the battery module and the bottom protection plate. The reinforcing plate includes multiple support portions and multiple connection portions which are alternately distributed and connected to each other. The multiple support portions and the bottom protection plate are disposed at intervals, the connection portions abut against the bottom protection plate, and the buffer blocks are disposed corresponding to positions of the connection portions.
Resumen de: US20260024773A1
An active material layer of an electrode contains an active material, carbon nanotubes, and CMC derived from carboxymethylcellulose ammonium (NH4-CMC). The content of CMC derived from NH4-CMC in the active material layer is 0.3-0.6 mass %. The content of carbon nanotubes in the active material layer is 0.005-0.08 mass %. The active material layer includes a main body portion and an edge portion surrounding the main body portion. The maximum thickness of the edge portion is 104% of the thickness of the main body portion. In a plan view of the electrode in the thickness direction of the active material layer, the maximum dimension of the edge portion from the boundary between the main body portion and the edge portion to the tip of the edge portion is 5 mm.
Resumen de: US20260024863A1
The invention relates to a modular housing unit and modular housing system for electrical cell modules, in particular for an electric vehicle. It also relates to a method of assembling the same. The modular housing unit supports an electrical cell module in an electric vehicle. The housing unit includes a base having an upper face; a wall circumscribing the base and extending away from the upper face to define a compartment opening; and a unit compartment within the upper face and the wall. The unit compartment is accessible through the compartment opening. The housing unit receives through the compartment opening at least one electrical cell module for mounting in the unit compartment. The wall is releasably mountable in an assembled position to a corresponding wall of a second housing unit so that, in the assembled position, the base of the second housing unit forms a closure of the compartment opening.
Resumen de: US20260024859A1
Systems, methods and articles having a heat-shielding or blocking, heat-dissipating and/or heat signature-reducing material layer or coating are disclosed. In one example, the heat-shielding or blocking, heat-dissipating and/or heat signature-reducing material completely covers the interior of a housing having a plurality of battery cells removably disposed therein. Other examples include a heat-shielding or blocking, heat-dissipating and/or heat signature-reducing material layer having anti-static, anti-radio frequency (RF), anti-electromagnetic interference (EMI), anti-tarnish, and/or anti-corrosion materials and properties that effectively protect battery-operated devices and/or the batteries that power them from damage or diminished operation.
Resumen de: WO2026016343A1
Embodiments of the present disclosure relate to the technical field of batteries, and provide an energy storage device and a temperature regulation method for an energy storage device. A battery pack mounted within a cabinet body is electrically connected to an energy storage interface. A charging converter is electrically connected to the battery pack. A charging connector is electrically connected to the charging converter. A cooling system is used for exchanging heat with the charging converter and the charging connector. A first heat dissipation apparatus is disposed in the cooling system. A temperature regulation system is used for exchanging heat with the battery pack, and the cooling system and the temperature regulation system are thermally separated. A second heat dissipation apparatus is disposed in the temperature regulation system. A controller is used for keeping the cooling system off and starting the temperature regulation system in a first working mode. The controller is used for starting the cooling system and the temperature regulation system in a second working mode. The controller is used for keeping the cooling system off and starting the temperature regulation system in a sleep mode.
Nº publicación: WO2026016535A1 22/01/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026016535A1
A metal battery and an electric device. The metal battery comprises a positive electrode sheet, a negative electrode sheet, and a separator, the separator comprises a substrate and at least one bonding layer provided on the surface of the substrate, and the bonding layer at least comprises a first bonding layer provided between the substrate and the negative electrode sheet and/or a second bonding layer provided between the substrate and the positive electrode sheet; on the basis of the total mass of the separator, the fluorine content of the first bonding layer is less than or equal to 500 ppm; and on the basis of the total mass of the separator, the fluorine content of the second bonding layer is less than or equal to 1200 ppm. By rationally designing the fluorine content of a bonding layer of a separator in the metal battery, the discharge gram capacity and the initial coulombic efficiency of the metal battery are improved, and good cycle performance is also achieved.
BOPI
Sede Electrónica
