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1490
resultados
Última actualización
07/11/2025 [07:13:00]
Resultados 325 a 350 de 1490
Resumen de: US2025337072A1
Systems and methods are provided for sealing interfaces of a traction battery pack. An enclosure assembly of the traction battery pack may include a protective blanket configured for insulating portions of the enclosure assembly. A sealing portion of the protective blanket may be arranged to seal an interface between a first enclosure section and a second enclosure section of the enclosure assembly. The sealing portion may be compressed by one or more mechanical fasteners for sealing a gas exchange between an interior area of the enclosure assembly and an ambient environment outside of the enclosure assembly.
Resumen de: WO2025223378A1
The present application provides a cold plate assembly, a battery pack supporting structure, a battery pack, and an electric device. The battery pack comprises a cross beam and a tray, the cross beam is arranged in the tray and used for dividing an accommodating cavity, an adhesive dispensing groove extending in the length direction of the cross beam is formed on the cross beam. The cold plate assembly comprises a cold plate and a partition plate. The cold plate comprises a connecting surface facing the cross beam. The partition plate is connected to the connecting surface, is configured to extend into the adhesive dispensing groove, and is adapted to extend in the length direction of the cross beam. The partition plate extends into the adhesive dispensing groove of the cross beam, so that on the one hand, the bonding area of an bonding adhesive can be increased, thereby enhancing the bonding strength of the bonding adhesive between the cold plate assembly and the cross beam; and on the other hand, in the event of thermal runaway in a single chamber of the battery pack, even if the bonding adhesive fails and causes the cold plate to bulge upward, the displacement of the partition plate can still ensure the independence of two isolated chambers in the battery pack, thereby preventing electrolyte flow between the two chambers, and avoiding more serious safety accidents.
Resumen de: WO2025223476A1
The present application relates to the technical field of battery heat exchange, and specifically discloses a battery apparatus (100) and an electrical device (1000). The battery apparatus (100) comprises a case (110), a battery cell module (120), and a heat exchanger (400). The battery cell module (120) and the heat exchanger (400) are provided in the case (110) and undergo heat exchange. The heat exchanger (400) comprises a heat exchange tube (410), an adapter portion (420), and a current collector (430). The heat exchange tube (410) comprises a plurality of heat exchange channels (411). The adapter portion (420) is sleeved outside one end of the heat exchange tube (410) and is provided with a plurality of adapter channels (421). The current collector (430) is fixed to the adapter portion (420) and is provided with a current collecting port (431) and at least one flow guiding channel (435). The current collecting port (431) is in communication with at least one heat exchange channel (411). At least two heat exchange channels (411) are communicated by means of the flow guiding channel (435) and the adapter channels (421) to define a heat exchange loop (450) having at least one turning portion (451).
Resumen de: WO2025223431A1
The present disclosure provides a negative electrode sheet and a battery. The negative electrode sheet comprises a negative electrode current collector and a negative electrode coating, which is located on the surface of the negative electrode current collector, wherein the negative electrode coating comprises a negative electrode active material, with the negative electrode active material comprising graphite and a silicon-based material. A concave part is provided on the surface of the negative electrode coating, the ratio of the width of the concave part to the particle diameter Dv50 of the silicon-based material is greater than or equal to 2, and the depth of the concave part is greater than or equal to the particle diameter Dv50 of the silicon-based material. The present disclosure can improve both the thermal safety and the low-temperature cycle performance of a battery.
Resumen de: WO2025222693A1
The present application relates to a thermal management component, a battery, and an electric device. The thermal management component comprises: a heat exchange tube provided with a heat exchange flow channel, wherein an end of the heat exchange tube is a port of the heat exchange flow channel; a manifold fitted to the end of the heat exchange tube and communicated with the port, wherein a heat exchange medium can flow into the heat exchange flow channel from the manifold or flow into the manifold from the heat exchange flow channel; and a connecting member connected between the heat exchange tube and the manifold and connected to the side walls or the peripheral walls of the manifold and the heat exchange tube. In the present application, the manifold is fitted to the end of the heat exchange tube, and the manifold is connected to the heat exchange tube by means of the connecting member; thus, the heat exchange tube can be well attached to the manifold by means of the surface of the end, and then the heat exchange tube is connected to the manifold by means of the connecting member, thereby improving the stability of the connection between the heat exchange tube and the manifold.
Resumen de: WO2025222661A1
A battery pack and an electronic device. The battery pack (100) comprises: a case body (10) having an accommodating cavity; a locking-attaching beam (11) detachably connected to the case body (10), the locking-attaching beam (11) dividing the accommodating cavity into a module area (41) and an electrical area (42); a battery module (20) disposed within the module area (41); and a first cover (31) connected to the case body (10) and covering the module area (41), wherein a gap is provided between the locking-attaching beam (11) and the bottom of the accommodating cavity, and a wire harness connected to the battery module (20) passes below the locking-attaching beam (11) and enters the electrical area (42).
Resumen de: WO2025222682A1
A support fixing assembly and a battery module. The support fixing assembly comprises a support (1) and a module upper cover (2). One of the support (1) and the module upper cover (2) is provided with positioning protrusions (11), the other one of the support (1) and the module upper cover (2) is provided with positioning slots (21), and the positioning protrusions (11) are inserted into the positioning slots (21); and one of the support (1) and the module upper cover (2) is provided with snaps (3) at least at two opposite sides, and the support (1) is connected to the module upper cover (2) by means of the snaps (3).
Resumen de: WO2025222617A1
A cold start system and method and an electric vehicle. The cold start system (100) comprises a main energy supply module (110), a conversion module (120), a pulse module (130), and a start-up energy supply module (140). The main energy supply module (110) is configured to provide a first electric signal; the conversion module (120) is electrically connected to the main energy supply module (110) and is configured to convert the first electric signal into a second electric signal, a voltage value of the second electric signal being less than a voltage value of the first electric signal; the pulse module (130) is electrically connected to the conversion module (120) and is configured to convert the second electric signal into a pulse signal; and the start-up energy supply module (140) is electrically connected to the pulse module (130) and is configured to receive the pulse signal to work under the action of the pulse signal. The cold start system (100) can greatly improve the cold starting capability of the start-up energy supply module.
Resumen de: US2025337096A1
This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes a housing and a pressure relief mechanism. The housing has a first wall and a second wall disposed opposite each other along a first direction. The housing is provided with a recess, where the recess is recessed relative to a surface of the second wall facing away from the first wall. The pressure relief mechanism is disposed on the first wall, where a projection of the pressure relief mechanism along the first direction at least partially overlaps a projection of the recess along the first direction.
Resumen de: US2025337093A1
A cell casing for a battery cell body has side walls and a bursting device which is arranged on one of the side walls. The bursting device is formed from an insert element and a bursting membrane. The insert element has a bursting aid having a cutting geometry which is associated with the bursting membrane. The bursting aid projects in the direction of the bursting membrane beyond a plane defined by the insert element.
Resumen de: US2025337118A1
Example embodiments include a composite substrate for a rechargeable lithium battery, and a rechargeable lithium battery including the composite substrate. Example embodiments include a composite substrate for a rechargeable lithium battery that includes a support layer containing a polymer resin matrix and two or more conductive materials, and a metal layer on at least one surface of the support layer, wherein the two or more conductive materials include two or more materials including at least one of a conductive metal, a conductive polymer, a conductive oxide, a fibrous material (FIB), and a carbon nanotube (CNT).
Resumen de: US2025337068A1
An electronic system includes electrical and/or electronic components and a temperature regulating device that includes a case. The case is configured to accommodate the electrical and/or electronic components. The case includes a bottom wall and side walls opposite each other in pairs defining an inner recess capable of receiving the components positioned side-by-side in a longitudinal direction of the case. The case also includes at least one temperature-regulating fluid supply element and at least one temperature-regulating fluid discharge element. The electronic system includes a sealing element that is configured to be arranged both between the components and the walls of the case and in each gap formed between two neighboring components.
Resumen de: US2025337111A1
The present disclosure relates to an electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the electrode. The electrode for a rechargeable lithium battery includes an active material layer for a rechargeable lithium battery, and an organic layer integrated with the active material layer. The organic layer includes a sea-island region including an island region and a sea region, and the area percentage of the island region in the sea-island region is in a range of about 1% to about 20%.
Resumen de: US2025337067A1
A battery holder, in which a limiting portion of a plug is inserted downward into a space between the retaining portion and the elastic arm to stop the elastic arm from excessively deviating toward a direction away from the battery, thus retaining the battery in the accommodating space, and preventing the battery from falling from the accommodating space. A gap exists between the limiting portion and the contact section or the contact spring arm, thus preventing the plug from abutting against the contact section or the contact spring arm in the inserting or pulling process, such that the contact section or the contact spring arm maintains elastically abutting against the battery.
Resumen de: WO2025223374A1
The present application belongs to the technical field of energy storage, and relates to an energy storage battery pack, a battery system, and an electrical device. The energy storage battery pack comprises a module and an interlocking assembly. The interlocking assembly comprises a first connecting member and a second connecting member rotatably connected to the first connecting member. The first connecting member is mounted on the module, and the second connecting member is suitable for being connected to a module of another energy storage battery pack. The alignment and locking of the energy storage battery pack are easier to achieve, so that scratching of the energy storage battery pack can be prevented, thereby ensuring an attractive appearance and preventing an effect on the corrosion resistance of the energy storage battery pack.
Resumen de: WO2025223519A1
Provided in the present application are a connecting plate and an extensible module having same. The connecting plate is used for connecting two adjacent battery modules, and the connecting plate is provided with a first connecting portion and a second connecting portion which are spaced apart from each other, wherein the first connecting portion is connected to one of the two adjacent battery modules, the second connecting portion is connected to the other one of the two adjacent battery modules, and a weight reduction portion is formed between the first connecting portion and the second connecting portion. The connecting plate of the present application is provided with the first connecting portion and the second connecting portion, such that adjacent battery modules form an integral long module; therefore, the connection of the battery modules can be facilitated, and the design freedom of the lengths of the battery modules can also be improved; moreover, the volumes of a plurality of battery modules can be reduced, and the energy density of the extensible module can also be increased.
Resumen de: WO2025223228A1
An electrode sheet, a battery cell, and a battery. The electrode sheet is used for the battery cell, and the electrode sheet comprises a first current collector and a first active material layer. The first current collector is suitable for being connected to a first tab. The first active material layer is stacked on the first current collector. The first active material layer comprises a first region and a second region, the first region being closer to the first tab than the second region. The porosity of the first region is a first porosity A, and the porosity of the second region is a second porosity B, satisfying A>B.
Resumen de: WO2025223286A1
An electrode sheet, an electrode core, a battery, and an electrical device. A first coating portion, a second coating portion, and a third coating portion are sequentially arranged on a surface of the electrode sheet in a first direction. A first parameter of the first coating portion and a first parameter of the third coating portion are both larger than a first parameter of the second coating portion. The thicknesses of the first coating portion, the second coating portion, and the third coating portion are the same, and the first parameter is compaction density or surface density.
Resumen de: WO2025222813A1
A polyanion sodium-containing positive electrode material, a preparation method therefor, a positive electrode sheet, a battery and an electrical apparatus. The polyanion sodium-containing positive electrode material is NaxRyPmOn, where 3.5≤x≤4.5, 2.5≤y≤3.5, 3.7
Resumen de: WO2025222610A1
The present application relates to a battery box body and a battery system. A first accommodating chamber is defined between a support plate and a side plate assembly in the battery box body. The support plate is provided with a plurality of first through holes, the first through holes and explosion-proof valves of battery cells being arranged on an one-to-one basis. A first surface of the support plate is provided with a first thermal insulation layer, the first thermal insulation layer sealing each first through hole. A bottom plate is arranged to be spaced apart from the support plate, the bottom plate, the support plate and the side plate assembly defining a pressure relief chamber.
Resumen de: WO2025222767A1
Provided in the embodiments of the present disclosure are an insulating film, a battery cell, a battery, and an electric device. The battery cell comprises an electrode assembly, a casing and an insulating film. The electrode assembly comprises a plurality of surfaces, the plurality of surfaces comprising a first surface, which is the surface with the largest area among the plurality of surfaces. The casing forms an accommodating space for accommodating the electrode assembly. The insulating film wraps around the periphery of the electrode assembly and is located between the electrode assembly and the casing, and the insulating film has a first thickness area and a second thickness area, wherein the thickness of the first thickness area is greater than that of the second thickness area, and the first thickness area is located in the area where the first surface of the electrode assembly is located.
Resumen de: WO2025222798A1
A battery case, a battery having same and an electrical device. The battery case (10) comprises a case (1), a deformable sealing member (2) and a controller; the case (1) comprises a case body (11) and a case cover (12), the case cover (12) being used for sealing an opening of the case body (11); the sealing member (2) is arranged between the case body (11) and the case cover (12), and is used for sealing an assembly gap between the case body (11) and the case cover (12), the sealing member (2) being internally provided with an accommodation channel (21) extending in the length direction thereof, and the accommodation channel (21) being used for accommodating a medium, such as gas or liquid; the controller is used for controlling the filling amount of the medium in the accommodation channel (21). The sealing member (2) of the battery case (10) has adjustable volume expansibility, thus achieving good sealing effect and high flexibility.
Resumen de: US2025337063A1
A method of manufacturing a secondary battery includes: positioning a case main body and a sealing plate so as to provide a level difference between an edge portion of the case main body and an outer end surface of the sealing plate in a first direction; and when the level difference is defined as H1, a maximum clearance between an opening and the outer end surface in a second direction orthogonal to the first direction is defined as L, and an inclination angle of an optical axis of laser light with respect to the first direction is defined as θ, joining portions of the case main body and the sealing plate by applying the laser light to the edge portion and the outer end surface with the optical axis being inclined at an angle equal to or more than a numerical value of θ that satisfies a relation of tan θ=L/H1.
Resumen de: US2025337094A1
The present disclosure relates to a battery cell and manufacturing method thereof. The battery cell according to an embodiment of the present disclosure includes a case receiving an electrode assembly, and an electrode terminal electrically connected to the electrode assembly, wherein the case includes a vent portion having a lower hardness than other regions of the case.
Nº publicación: US2025337062A1 30/10/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Resumen de: US2025337062A1
Embodiments relate to a secondary battery, in which an unnecessary space in a case is reduced to increase energy density, and a method for manufacturing the same. A secondary battery includes an electrode assembly provided with a first electrode plate and a second electrode plate, and a case accommodating the electrode assembly. The case includes a first case having a recess, in which the electrode assembly is accommodated, at a central area thereof, wherein the first case has one surface opened, and a second case configured to seal the one opened surface of the first case. The first case further includes an extension part extending from one end of the recess and coupled to the second case, and a round part between the recess and the extension part. A curvature radius of the round part is equal to or greater than a thickness of the first case.
BOPI
Sede Electrónica
