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1322
resultados
Última actualización
01/11/2025 [07:36:00]
Resultados 275 a 300 de 1322
Resumen de: WO2025225535A1
A battery according to the present disclosure comprises a wound electrode group including a first electrode, a second electrode, and a separator. The first electrode includes a current collector, an active material layer, and a lead. The lead is joined to an exposed portion of the current collector where the active material layer is not provided. The electrode group further includes an insulating member attached to the exposed portion, and a protective tape covering at least a portion of the insulating member and at least a portion of the lead. The exposed portion is covered by at least one selected from the group consisting of the protective tape and the insulating member.
Resumen de: WO2025225473A1
In an intermittent charging device of a conventional secondary battery module, two charging periods are required, namely, a charging period for a charging capacitor and a period for charging a secondary battery by the charging capacitor. Therefore, the charging time becomes relatively long as compared with that of a general charging device which continuously charges a secondary battery. By adding a relay capacitor and a relay capacitor switch to an intermittent charging circuit, the relay capacitor is charged during a period in which a charging capacitor charges the secondary battery, and the charge is supplied to the charging capacitor in a short time after the end of charging the secondary battery, immediately starting the period in which the charging capacitor charges the secondary battery. This allows intermittent charging to be performed in a short time that is essentially the same as in continuous charging.
Resumen de: WO2025225455A1
This secondary battery comprises: an electrode body in which a positive electrode (11) and a negative electrode (12) are wound, with a separator (13) being interposed therebetween; an outer can casing which houses the electrode body and an electrolyte solution; and a negative electrode current collector plate (17) which is disposed on the bottom of the outer can casing and is electrically connected to the outer can casing. The negative electrode (12) has a core body and a mixture layer that is provided on the core body, and a negative electrode core body exposure part (41) is joined to the negative electrode current collector plate (17). The mixture layer contains a silicon-containing material as an active material, and 5 mass% or more of the silicon-containing material is contained in a lower region (43) and an upper region (44) which each have a length ratio of 20% or less in the vertical direction. The negative electrode charge capacity is 470 mAh/g or more, and the silicon-containing material includes a low expansion silicon-containing material that has a particle expansion coefficient of 210% or less in the lower region.
Resumen de: WO2025222735A1
Provided are a battery (100) and an electric apparatus, which belong to the technical field of batteries. The battery (100) comprises a case (10), battery cell groups (20) and support members (30). The case (10) comprises a bottom plate (11). The battery cell groups (20) are accommodated in the case (10), and each battery cell group comprises at least one battery cell (21), the battery cell (21) comprising a casing (211), electrode terminals (212) and a pressure relief mechanism (213). The casing (211) has a wall portion (2111), wherein the wall portion (2111) is arranged to face the bottom plate (11) in the thickness direction of the bottom plate (11); and both the electrode terminals (212) and the pressure relief mechanism (213) are disposed on the casing (211), and at least one of the electrode terminals (212) and the pressure relief mechanism (213) is disposed on the wall portion (2111). The support members (30) are arranged between the wall portion (2111) and the bottom plate (11) and are connected to the wall portion (2111), and in the thickness direction of the bottom plate (11), each support member (30) has a first surface (31) facing away from the wall portion (2111), wherein the first surface (31) is closer to the bottom plate (11) than the electrode terminals (212) and the pressure relief mechanism (213). The support members (30) can protect the electrode terminals (212) or the pressure relief mechanism (213) of the battery cell (21), so as to reduce the risk of th
Resumen de: WO2025222736A1
The present application belongs to the technical field of batteries. Provided are a battery and an electric apparatus. The battery comprises at least one battery cell group, first busbar components and fasteners, wherein the battery cell group comprises a plurality of battery cells stacked in a first direction, each battery cell comprising a casing, electrode terminals and an electrode assembly, the electrode terminals being disposed on the casing, and the electrode assembly being accommodated in the casing and being electrically connected to the electrode terminals; the first busbar components are electrically connected to electrode terminals of two adjacent battery cells in the same battery cell group; and the fasteners are connected to casings of the plurality of battery cells in the battery cell group. By means of fasteners, when battery cells expand in a first direction, the change in the spacing between electrode terminals of two adjacent battery cells in the first direction can be reduced, such that the torque or tensile force between the electrode terminals and first busbar components is absorbed and shared by the fasteners, which is conducive to reducing the risk of a connection failure between the electrode terminals and the first busbar components.
Resumen de: WO2025222722A1
Provided are a battery (1100), an electric device, and an assembly method for the battery (1100), relating to the technical field of batteries. The battery (1100) comprises at least one battery module (1120). Each battery module (1120) comprises battery cells (1121), a heat exchanger (1122) and a bonding layer (1123), wherein the heat exchanger (1122) is provided with a heat exchange surface (11222), and channels (11221) are formed on the heat exchanger (1122); and the bonding layer (1123) is arranged between the outer surface of each battery cell (1121) and the heat exchange surface (11222), thus bonding each battery cell (1121) to the heat exchange surface (11222). The curing time of a binder forming the bonding layer (1123) can be shortened, thereby improving the assembly efficiency of the battery (1100).
Resumen de: WO2025225437A1
Provided is a non-aqueous electrolyte secondary battery comprising: an electrode body in which a belt-like first electrode (12) and a belt-like second electrode are wound in a longitudinal direction via a separator; and a non-aqueous electrolyte. The first electrode (12) has a first electrode core body (40) and a first electrode mixture layer (42) disposed on the first electrode core body (40). At one end of the electrode body of the first electrode (12) in the axial direction, a first electrode core body exposed part (44) is provided, in which the first electrode mixture layer (42) is not disposed and the first electrode core body (40) is exposed. On the surface of the first electrode core body exposed part (44), a plurality of resin layers (50) are disposed at intervals in the longitudinal direction of the first electrode (12).
Resumen de: WO2025225441A1
A negative electrode active material according to the present disclosure is a negative electrode active material for a fluoride ion secondary battery, and contains scandium fluoride that has a crystallite size of less than 63 nm. A fluoride ion secondary battery according to the present disclosure comprises: a positive electrode 2; a negative electrode 4; and an electrolyte layer 3 that is disposed between the positive electrode 2 and the negative electrode 4. The negative electrode 4 contains the negative electrode active material according to the present disclosure. The negative electrode active material may additionally contain at least one metal that is selected from the group consisting of alkali metals and alkaline earth metals.
Resumen de: WO2025225388A1
This non-aqueous electrolyte secondary battery is characterized in that: a first electrode (12) comprises a first electrode core body (40) and a first electrode mixture layer (42) disposed on the first electrode core body (40); the first electrode mixture layer (42) is not disposed on one end in the axial direction of an electrode body in the first electrode (12); there is provided a first electrode core body exposure part (44) where the first electrode core body (40) is exposed; and the surface of the first electrode core body exposure part (44) is provided with a functional layer (50) including a coating layer (52) that covers at least a portion of the first electrode core body exposure part (44), and large-diameter particles (54) that have a volume-basis average particle size which is greater than the average thickness of the coating layer (52).
Resumen de: WO2025225308A1
A solid electrolyte material according to the present disclosure contains Li, Ti, Al, and F, and has a peak in a first range in which the diffraction angle 2θ is 13.7° to 14.7° inclusive in an X-ray diffraction pattern that is obtained by a X-ray diffraction measurement using Cu-Kα rays. In the X-ray diffraction pattern, a peak may be present in at least one range that is selected from the group consisting of a second range in which the diffraction angle 2θ is 20.9° to 21.9° inclusive, a third range in which the diffraction angle 2θ is 41.2° to 42.2° inclusive, and a fourth range in which the diffraction angle 2θ is 53.3° to 54.3° inclusive.
Resumen de: WO2025222726A1
A secondary battery and a preparation method therefor, and an electric device. The secondary battery includes a positive electrode sheet, the positive electrode sheet includes a positive electrode active material, and the positive electrode active material includes a matrix material and a coating layer at least partially covering the matrix material. The coating layer includes a first coating layer and a second coating layer, wherein the first coating layer is located on the surface of the matrix material, and the second coating layer is located on the surface of the first coating layer, with the first coating layer comprising a lithium-supplementing material, and the second coating layer comprising a reductive material; or, the first coating layer comprising a reductive material, and the second coating layer comprising a lithium-supplementing material. The secondary battery has excellent cycle performance and a long service life.
Resumen de: WO2025222861A1
A battery device (100) and an electric device. The battery device comprises: a case (10); a battery cell assembly (20) accommodated in the case; and a heat exchange assembly (30) accommodated in the case. The heat exchange assembly comprises: a heat exchange main body (31) comprising a plurality of heat exchange flow channels (301); and current collecting structures (32) arranged at two ends of the heat exchange main body, each current collecting structure comprising a blocking member (321), a current collecting member (322) and an adapter member (323), wherein the blocking member blocks at least one heat exchange flow channel, the current collecting member is provided with a current collecting cavity (3221), the current collecting member is in sealing fit with and connected to the heat exchange main body by means of the adapter member, the current collecting member is provided with a communication port (322a) communicated with the current collecting cavity, the communication port can be used for allowing the entry/exit of a heat exchange medium, and the adapter member is formed on the heat exchange main body and the current collecting member.
Resumen de: WO2025222706A1
A film inspection mechanism (100), comprising: a housing assembly (10), a weight measurement assembly (30), a moisture measurement member (20), and an isolation member (40). The housing assembly (10) defines a measurement cavity (13) used for placing a film under inspection; the weight measurement assembly (30) is mounted in the housing assembly (10) and is used for acquiring the weight of the film under inspection; the moisture measurement member (20) is mounted in the housing assembly (10) and is used for acquiring the moisture of the film under inspection; the housing assembly (10) comprises two housings; the weight measurement assembly (30) comprises a transmitting member (31) and a receiving member (32), and the transmitting member (31) and the receiving member (32) are respectively provided on the two housings; the isolation member (40) is provided on the housing assembly (10) provided with the moisture measurement member (20) and is located between the moisture measurement member (20) and the transmitting member (31) or the receiving member (32). Also provided are a coating device having the film inspection mechanism (100), and a film coating method.
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: US2025337071A1
A battery system includes: a battery pack including a plurality of battery cells, each having a pair of electrode terminals and a venting valve at a terminal side thereof, the terminal side of each of the battery cells facing a first side of the battery pack in a z-direction; a cell contacting unit (CCU) carrier on the terminal side of each of the battery cells; and a heat resistant cell protection cover arranged between the CCU carrier and the battery cells. The heat resistant cell protection cover covering the venting valves of the battery cells and being configured to rupture if venting products are ejected through a venting valve from an inside of one of the battery cells.
Resumen de: US2025336972A1
A negative electrode for a secondary battery includes: a current collector; a first negative electrode active material layer formed on the current collector and containing a first active material; and a second negative electrode active material layer formed on the first negative electrode active material layer and containing a second active material. The second active material is a bimodal active material including small particles and large particles having different particle sizes, a particle size (D2) of the second active material is smaller than a particle size (D1) of the first active material, and the particle size of the second active material is an average particle size of the small particles and the large particles.
Resumen de: US2025336968A1
A positive electrode for a rechargeable lithium includes a current collector. A first active material layer is provided on the current collector, and the first active material layer includes first particles, second particles, a first binder, and a first conductive material. A second active material layer is provided on the first active material layer, and the second active material layer includes third particles, a second binder, and a second conductive material. The first particles contain an olivine structured compound, the second particles contain a layered compound, the third particles contain an olivine structured compound, the first particles are single particles, and the first particles have an average diameter of about 100 nm to about 2 μm. The first active material layer and the second active material layer have a cobalt (Co) content of less than about 100 ppm. An average diameter of the second particles is greater than the average diameter of the first particles. The third particles are single particles, and the third particle have an average diameter of about 100 nm to about 2 μm.
Resumen de: US2025336969A1
A positive electrode for a rechargeable lithium battery includes a current collector, a first active material layer on the current collector, with the including first particles, second particles, a first binder, and a first conductive material. The positive electrode also includes a second active material layer on the first active material layer, the second active material layer including third particles, a second binder, and a second conductive material. The first particles are an olivine structured compound, the second particles are a layered compound, the third particles are an olivine structured compound. The first particle includes a plurality of first primary particles aggregated together, the first particles have an average diameter of about 3 μm to about 10 μm, and the first primary particles have an average diameter of about 200 nm or less. The third particles are single particles, and the third particles have an average particle diameter of about 100 nm to about 2 μm.
Resumen de: US2025336965A1
A positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode are provided. The positive electrode includes a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first active material layer includes a first particle represented by Formula 1 and having the form of a single particle, and a second particle represented by Formula 2. The second positive electrode active material layer includes a third particle represented by Formula 3 and having the form of a single particle. The first particle is present in a greater content (e.g., amount) than the second particle.
Resumen de: US2025337114A1
Disclosed in the present disclosure is a composite separator and a preparation method and application thereof. A composite separator includes a porous base film and a coating. The coating is provided on a surface of the porous base film, the coating includes a base layer and a non-adhesive polymer C provided on the base layer, and the base layer includes inorganic particles A and an adhesive polymer B. A maximum particle size of the non-adhesive polymer C is greater than a thickness of the base layer and a particle size of the non-adhesive polymer C is in a range of 0.3 μm to 30 μm. The adhesive polymer B includes a first component and a second component. The first component includes at least one of a vinyl polymer, a propylene-based polymer, an amide-based polymer, and an epoxy-based polymer. The second component includes a cellulose-based polymer.
Resumen de: US2025337053A1
The present disclosure relates to a heat insulation sheet for a rechargeable lithium battery, and a rechargeable lithium battery module. A heat insulation sheet for a rechargeable lithium battery includes a base sheet including a first base layer and an aerogel-containing layer that are stacked together, and a member completely surrounding an exterior of the base sheet. The aerogel-containing layer includes a binder including a polyvinyl alcohol-based binder, a fibrous support, and an aerogel, and the member includes one or more of potassium nitrate, potassium carbonate, and potassium perchlorate, and a support.
Nº publicación: US2025337089A1 30/10/2025
Solicitante:
NANJING CHERVON IND CO LTD [CN]
Nanjing Chervon Industry Co., Ltd
Resumen de: US2025337089A1
A battery pack includes a battery pack body and a battery connection apparatus. The battery connection apparatus includes a device body and multiple battery connection terminals disposed on the device body and capable of at least transmitting electrical energy. Each of the multiple battery connection terminals is configured to have a cylindrical structure and is configured to withstand a maximum current of less than or equal to 400 A.
BOPI
Sede Electrónica
