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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 1550 a 1575 de 1601
Resumen de: WO2026045056A1
The present application discloses a battery signal acquisition device and a battery module. The battery signal acquisition device comprises a mounting seat, a BMS, and wire harnesses, and further comprises a pin header assembly. The pin header assembly comprises a pin header base and pin headers. One of the mounting seat and the pin header base is provided with positioning rods, and the other of the mounting seat and the pin header base is provided with positioning holes. The positioning rods are inserted into the positioning holes. A gap is provided between the outer wall of each positioning rod and the inner wall of the corresponding positioning hole. The pin headers are arranged on the pin header base. The pin headers are configured to be simultaneously electrically connected to the BMS and the wire harnesses.
Resumen de: WO2026045037A1
The present application provides a full-tab flattening fixture. The full-tab flattening fixture comprises mounting bases, pressing plates, and a reflector; the mounting bases are arranged in a pair, and two mounting bases in the pair are spaced apart in a first direction; the pressing plates are made of a transparent material; the ends of the two mounting bases facing each other are respectively provided with the pressing plates; the pressing plates are used for abutting against a battery cell and flattening a full tab of the battery cell; at least one of the mounting bases is provided with the reflector; the reflector is arranged on the side of the pressing plate away from the other mounting base, and a reflective surface of the reflector is arranged to face the pressing plate.
Resumen de: WO2026045851A1
Disclosed are a separator, a secondary battery and an electric device. The separator comprises: a substrate and a coating, wherein the coating is formed on at least one side of the substrate, and comprises acrylate polymer particles. In a three-dimensional imaging spectrogram, the value of an effective abscissa in a scan spectrum across the centers of the acrylate polymer particles is 5-150 um. The separator can be bonded to an electrode sheet by means of cold pressing, and the bonding force between the electrode sheet and the separator is suitable, thereby improving the cycle performance of a battery.
Resumen de: WO2026045848A1
A battery protection board (12), a battery (10) and an electric device (1). The battery protection board (12) comprises a substrate (100), a field-effect transistor group (200), a first temperature sensor (300) and a second temperature sensor (400), wherein the field-effect transistor group (200) is disposed on the substrate (100). The field-effect transistor group (200) comprises a charging field-effect transistor (210) and a discharging field-effect transistor (220), wherein the first temperature sensor (300) is disposed at the charging field-effect transistor (210), and is used for collecting the temperature of the charging field-effect transistor (210), and the second temperature sensor (400) is disposed at the discharging field-effect transistor (220), and is used for collecting the temperature of the discharging field-effect transistor (220). In this way, there are few restrictions on the relative positions of the charging field-effect transistor (210) and the discharging field-effect transistor (220), which enables flexible arrangement of the charging field-effect transistor (210) and the discharging field-effect transistor (220).
Resumen de: WO2026048097A1
The present invention provides a secondary battery and a battery pack that make it possible to highly accurately position a voltage detection terminal with respect to a bus bar and reliably maintain a positioning position. The present invention is characterized by comprising a bus bar 302, a voltage detection terminal 401 which is welded to the bus bar, and a bus bar holder 311 in which a placement region for the bus bar and the voltage detection terminal is provided, wherein: the voltage detection terminal has a voltage detection terminal-side positioning part 421a; the bus bar holder has a bus bar holder-side positioning part 331a that engages with the voltage detection terminal-side positioning part to determine the position of the voltage detection terminal; and a positioning position maintaining part 341 that contacts a non-welded surface of the voltage detection terminal on the opposite side from a welded surface at which the voltage detection terminal is welded to the bus bar is formed in the bus bar holder-side positioning part.
Resumen de: WO2026047981A1
In order to inspect the contact pressure distribution of a secondary battery (11) in a laminate (M), a characteristic profile of the resistance value of the laminate with respect to an applied contact pressure is acquired for the laminate of the secondary battery that is used while being applied with a contact pressure in a normal contact pressure range (Pmin to Pmax), an approximate straight line (L1) of the resistance value with respect to the contact pressure in the normal contact pressure range of the characteristic profile is acquired, a contact pressure range in which the deviation between the resistance value of the approximate straight line and the resistance value of the laminate is equal to or less than a specific value is defined as an inspection contact pressure range (P2min to P2max) in a contact pressure range that is lower than the normal contact pressure range of the characteristic profile, a contact pressure (P2) included in the inspection contact pressure range is applied to the laminate and the resistance value of the laminate is measured, and the quality of the laminate is determined on the basis of at least the measured resistance value of the laminate.
Resumen de: WO2026047544A1
Embodiments herein disclose systems and methods for performing thermal management of one or more electrical energy storage devices in a charging and interchange station. Embodiments herein disclose systems and methods for performing thermal management of one or more electrical energy storage devices in a charging and interchange station that maintains the temperature of the electrical energy storage device within the ideal operating temperatures.
Resumen de: WO2026046255A1
The present application provides a cylindrical cell, a battery device, and an electric device. The cylindrical cell comprises a casing and an electrode assembly; the electrode assembly is accommodated in the casing, and comprises a first electrode sheet and a second electrode sheet which have opposite polarities; and the first electrode sheet and the second electrode sheet are wound in a winding direction. The first electrode sheet comprises an electrode sheet body and a reinforcing coating; the electrode sheet body has a first area and a second area which are arranged adjacent to each other in the winding direction; the first area extends from a winding starting end of the electrode sheet body, and is provided with the reinforcing coating; and no reinforcing coating is provided in the second area. In the embodiments of the present application, the risk of deformation collapse of the first electrode sheet at a position near a central hole can be reduced without additionally adding other components to the interior of the cylindrical cell, thereby improving the use reliability of the cylindrical cell.
Resumen de: WO2026049364A1
The invention of the present application relates to a battery pack comprising: a battery cell stack in which a plurality of battery cells are stacked; a battery pack main body accommodating the battery cell stack; a battery pack lid added to cover the open upper surface of the battery pack main body; and a foam pad gasket interposed in the connection portion between the battery pack main body and the battery pack lid, wherein through holes for the insertion of bolts are formed at the outer periphery of the battery pack lid. The battery pack can be assembled through a simple process, and the airtightness of the battery pack can be ensured even if the battery pack is repeatedly disassembled and reassembled.
Resumen de: WO2026049355A1
A device for controlling a battery, according to an embodiment of the present invention, controls a battery pack including a plurality of modules, each module including a plurality of cells connected in series, and may include: a selection circuit unit including one or more switches connected to a positive electrode of each cell and one or more switches connected to a negative electrode of each cell; a resonance circuit unit including one or more inductors and one or more capacitors and having one end connected to a first node and the other end connected to a second node; and a control unit that controls the plurality of switches in the selection circuit unit and one or more switches in the resonance circuit unit to measure the impedance of a selected cell among the plurality of cells or to perform charge equalization between the plurality of cells or charge equalization between the plurality of modules.
Resumen de: WO2026049356A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a first battery module having a first port; a second battery module positioned on one side of the first battery module and having a second port; and a pipe assembly for communicating the first port and the second port, wherein the pipe assembly may comprise: a holder that is coupled to the outer surface of the first port and has a through hole; a first connector that passes through the through hole and is inserted into the first port; and a fixing member that fixes the holder to the first connector.
Resumen de: WO2026049365A1
According to exemplary embodiments, a battery device is provided. The device comprises: a pack housing including a base plate, which includes first side plates having first cooling channels and second side plates having second cooling channels, and first and second sidewalls, which are coupled to the base plate and are perpendicular to the base plate; first battery cell assemblies on the first side plates; second battery cell assemblies on the second side plates; a first inlet port coupled to the first sidewall; a second inlet port coupled to the second sidewall; first distribution piping connected to the first cooling channels; second distribution piping connected to the second cooling channels; first collection piping connected to the first cooling channels; second collection piping connected to the second cooling channels; and a 3-way valve connected to each of the first and second inlet ports.
Resumen de: WO2026049367A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention may comprise: a case providing a space therein; a battery cell located inside the case; and an airbag provided on the outer surface of the case and communicating with the inner space of the case.
Resumen de: WO2026048499A1
A method for manufacturing a solid electrolyte sheet comprises a step in which a precursor (20) of a solid electrolyte sheet (40) containing a solid electrolyte powder and a binder is interposed between a pair of clamping members (11), (12), and the precursor (20) is pressed via the clamping members (11), (12). The clamping members (11, 12) each independently have a proof stress (offset method) of 100 MPa or higher as measured in conformance with JIS Z 2241. It is preferable that the clamping members (11, 12) each independently have a total elongation at break of 40% or less as measured in conformance with JIS Z 2241.
Resumen de: WO2026048508A1
A negative electrode (12) in a cylindrical battery according to an embodiment includes, in order from a negative electrode terminal (12e) side: a both-surfaces-exposed part (42) in which both surfaces of a negative electrode core body (40) are exposed; a mixture-layer-formed-on-one-surface part (43) in which the outer surface of the negative electrode core body (40) facing outward in the radial direction of an electrode body (14A) is exposed and a negative electrode mixture layer (41) is formed on the inner surface of the negative electrode core body (40) facing inward in the radial direction; and a mixture-layer-formed-on-both-surfaces part (44) in which the negative electrode mixture layer (41) is formed on both surfaces of the negative electrode core body (40). At least one among a first separator (13x) and a second separator (13y) is wound one or more turns from a position facing a positive electrode terminal (11e) to the winding end side of the electrode body (14A).
Resumen de: WO2026048538A1
A cylindrical battery comprises an electrode body in which a positive electrode (11) that includes a positive electrode core body (41) and a positive electrode mixture layer (42) and a negative electrode that includes a negative electrode core body and a negative electrode mixture layer are wound with a separator therebetween. At the winding start-side end portion of the positive electrode (11), the thickness of the positive electrode mixture layer (42) decreases toward the winding start. When the position at which the thickness of the positive electrode mixture layer (42) begins to decrease in the longitudinal direction of the positive electrode (11) is defined as a reference position (a), a winding inner-side surface length (L1) between the winding inner-side starting end (b1) of the positive electrode mixture layer (42) and the reference position (a) on the winding inner side of the positive electrode (11) is shorter than a winding outer-side surface length (L2) between the winding outer-side starting end (b2) of the positive electrode mixture layer (42) and the reference position (a) on the winding outer side of the positive electrode (11).
Resumen de: WO2026048533A1
This battery comprises: an electrode body (14) in which a long positive electrode (11), having a positive electrode core body (30) and a positive electrode mixture layer (32), and a long negative electrode (12), having a negative electrode core body (40) and a negative electrode mixture layer (42), are wound with a separator therebetween; and an outer can that houses the electrode body (14). In the negative electrode (12), a negative electrode core body exposed portion (41) in which the negative electrode core body (40) is exposed faces a start end (11a) on the winding start side of the positive electrode (11) in the radial direction on the winding inner side. According to the battery of the present disclosure, in the electrode body (14), good circularity is easily maintained around at least one end of the positive electrode (11) in the longitudinal direction of the positive electrode, thereby facilitating suppression of electrode deformation.
Resumen de: WO2026045776A1
The present invention relates to the technical field of membrane separation. Disclosed is a preparation method for a high-selectivity lithium super-ion conductor membrane. In the method, a lithium super-ion conductor material, i.e. Li7-xLa3Zr2-xTaxO12 (LLZTO), is used as an aggregate and polyvinyl alcohol is added as a sintering aid, LLZTO is firstly pressed into a green body by means of a tableting molding technique, and then the green body is calcined at a high temperature to obtain an LLZTO membrane. In order to further improve the compactness and separation performance of the LLZTO membrane, an organic crosslinking aid is studied and introduced to modify pores of the LLZTO membrane to obtain a dense lithium super-ion conductor membrane. The lithium super-ion conductor membrane exhibits excellent ion separation performance, which provides a reference concept for related fields such as efficient recovery and extraction of lithium resources.
Resumen de: WO2026045836A1
An energy storage system and a control method therefor. The energy storage system (10) comprises: a battery (12) configured to store and release energy; an energy storage converter (13) configured to be connected to a power supply source and the battery (12); and a thermal management system (11). The thermal management system (11) comprises: a first liquid cooling circulation loop (20) comprising a first heat exchanger (21) configured to perform heat exchange with the battery (12); a second liquid cooling circulation loop (30) comprising a second heat exchanger (31) configured to perform heat exchange with the energy storage converter (13); and a third heat exchanger (111) connected to both the first liquid cooling circulation loop (20) and the second liquid cooling circulation loop (30), and configured to achieve heat exchange between a cooling liquid in the first liquid cooling circulation loop (20) and a cooling liquid in the second liquid cooling circulation loop (30).
Resumen de: WO2026044718A1
Provided are an electrode assembly and a manufacturing method therefor, a battery cell, a battery device, and an electric device. The battery cell comprises the electrode assembly, and the electrode assembly comprises negative electrode sheets, separators, and positive electrode sheets which are stacked. Each negative electrode sheet comprises a negative tab unit and a negative electrode sheet body. The negative tab unit is connected to one side of the negative electrode sheet body, and the thickness of the negative electrode sheet body ranges from 10 μm to 30 μm. Each separator has a separation section separating the corresponding positive electrode sheet from the corresponding negative electrode sheet. The separation section has first extended portions extending beyond the positive electrode sheet on both sides in a first direction, and the first extended portions of two isolation sections adjacent to the positive electrode sheet are at least partially fixedly connected. The first direction is perpendicular to the stacking direction. By at least partially fixedly connecting the first extended portions of the two isolation sections adjacent to the positive electrode sheet, the position of the positive electrode sheet is limited to facilitate the extension of the negative electrode sheet beyond the positive electrode sheet in the first direction and reduce the risk of lithium precipitation, and dendrites are prevented from growing in a bypass manner to reduce the risk of sh
Resumen de: WO2026046305A1
An electrode sheet (20) and a design method therefor, an electrode core (10), a battery cell, a battery assembly, and an electric device. A winding trajectory of the electrode sheet (20) is a spiral line; the electrode sheet (20) comprises an electrode sheet body (21) and tabs (22); the tabs (22) are connected to one side of the electrode sheet body (21) in the width direction; a starting position of a tab (22) located at an nth turn is an nth starting position, Lxn is the winding length of the electrode sheet (20) from a winding starting position of the electrode sheet (20) to the nth starting position, and the following relation is satisfied: Ln-km*Ln≤Lxn≤Ln+kl*Ln, wherein Ln is as shown in formula I.
Resumen de: WO2026046249A1
A battery cell (100), comprising: a casing (1), a core (2), a first terminal post (3), a second terminal post (4) and an electrical connector (5), wherein the core (2) is arranged in the casing (1); the first terminal post (3) and the second terminal post (4) are both electrically connected to the core (2), and the first terminal post (3) and the second terminal post (4) are insulated from the casing (1); and the electrical connector (5) is arranged on the casing (1) and is electrically connected to the casing (1), and the electrical connector (5) is electrically connected to the first terminal post (3).
Resumen de: WO2026046232A1
A battery safety assembly (1000), a battery cell (2000) and a control method therefor, a battery pack (3000), and an electric device (10000). The battery safety assembly comprises a mounting plate (100), an exhaust assembly (200), and a controller (300). The mounting plate is connected to a casing of the battery cell; the exhaust assembly is arranged on the mounting plate and comprises an exhaust valve (210) provided with an exhaust channel; and the controller is configured to control the exhaust valve to switch between an open state and a closed state.
Resumen de: WO2026046191A1
The present disclosure provides an electrode sheet, a battery, and an electric device. The electrode sheet comprises an electrode sheet body and at least one tab connected to the electrode sheet body. The electrode sheet body comprises a current collector and active materials coated on the surface of the current collector. The electrode sheet body comprises at least two regions in a first direction, and the at least two regions are coated with different active materials. The at least two regions include a distal region distant from the tab, the active material in the distal region comprises secondary particles, and the secondary particles are formed by a plurality of primary particles.
Nº publicación: WO2026049341A1 05/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026049341A1
The present invention relates to an electrode assembly processing device capable of easily removing foreign substances, and an electrode assembly processing method using same, and, particularly, to an electrode assembly processing device capable of easily removing foreign substances, and an electrode assembly processing method using same, the device comprising: a seating jig on which an electrode assembly to which an electrode lead is connected is seated; a bead processing unit positioned on the upper side of a bead part formed on the electrode lead, so as to process the bead part; a pressing support unit positioned on the lower side of the bead part; and air injection units positioned on each of upper and lower portions of the electrode assembly so as to inject air toward the bead processing unit.
BOPI
Sede Electrónica
