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1111
resultados
Última actualización
25/01/2026 [07:40:00]
Resultados 425 a 450 de 1111
Resumen de: EP4683030A1
A measuring apparatus for a secondary battery, according to an embodiment of the present invention, comprises: a sensing unit which measures an object; and a housing in which the object is accommodated and which includes an opening so that the object can be sensed by the sensing unit, wherein the sensing unit is disposed outside the housing so as to reduce or prevent foreign matter that is transferred from the inside of the housing to the sensing unit.
Resumen de: EP4683094A1
This application provides a current collecting structure, relating to the technical field of lithium-ion battery manufacturing. The current collecting structure includes: a current collecting member, where the current collecting member includes a first connection end, a second connection end, and a bending portion, and the bending portion connects the first connection end and the second connection end; and a guide member, where the guide member is provided with a weakened portion, the bending resistance strength of the weakened portion is less than the bending resistance strength of other portions of the guide member except the weakened portion; the guide member cooperates with the current collecting member, the weakened portion corresponds in position to the bending portion, and the guide member is configured to guide the bending portion to bend at a position of the weakened portion. Since the bending resistance strength of the weakened portion is less than the bending resistance strength of other regions of the guide member, in the process of bending the current collecting member, the guide member bends at the weakened portion. Since the weakened portion corresponds in position to the bending portion, the guide member guides the current collecting member to bend at the position of the bending portion.
Resumen de: EP4682975A1
A cathode active material for a secondary battery and a secondary battery including the same are provided. The cathode active material for a secondary battery includes an active material core and a coating material formed on the surface of the active material core. The coating material includes niobium (Nb) as a coating element, and further includes at least one of tungsten (W) and phosphorus (P). The coating material may reduce side reactions with the electrolyte and improve charge and discharge characteristics/Coulomb efficiency.
Resumen de: EP4682205A1
The present invention relates to a cured product containing: a polyoxyalkylene structure; and a three dimensional siloxane structure containing a Q unit. The cured product has a swelling rate in ethyl methyl carbonate of 70 mass% or less.
Resumen de: EP4682103A1
The present invention relates to a carbon material having a volume-based average particle size d<sub>50</sub> of 9 µm or less, a true density of 2.25 g/cm<sup>3</sup> or less, and a Raman R value of 0.50 or less, the Raman R value being represented by the equation: {(intensity I<sub>B</sub> of peak P<sub>H</sub> near 1360 cm<sup>-1</sup> in Raman spectrum analysis)/(intensity I<sub>A</sub> of peak P<sub>A</sub> near 1580 cm<sup>-1</sup> in Raman spectrum analysis)}.
Resumen de: EP4683088A1
The present disclosure provides a separator for a power storage device, which is excellent in terms of at least one of suppression of dendrite short-circuiting, low resistance and high piercing strength. This separator for a power storage device comprises a separator substrate having: one or more microporous layers (A) comprising mainly polypropylene; and one or more microporous layers (B) which comprise mainly polypropylene and which are layered on at least one of the microporous layers (A). The melt tension Mt<sub>A</sub> of the microporous layer (A) at 240°C is 10-40 mN. The ratio of the melt tension Mt<sub>A</sub> of the microporous layer (A) at 240°C and the melt tension Mt<sub>B</sub> of the microporous layer (B) at 240°C (Mt<sub>A</sub>/Mt<sub>B</sub>) is 1.05-4.0. The area-average long pore diameter of the microporous layer (A) is 50-500 nm.
Resumen de: EP4682983A1
The present invention relates to a lithium-ion battery negative electrode active material that is a Si-based granulated body in which a Si-based powder and an electroconductive material are bonded using a binder, the Si-based powder containing a Si phase, and the Si-based granulated body having a carbon coating on a surface thereof.
Resumen de: EP4683060A1
Embodiments of the present application provide a case, a battery cell, a battery, and a power consuming apparatus. The case has an opening, and the case is of an integrally formed structure. The case includes a first wall and at least two second walls opposite to the opening. The first wall and the second walls intersect with each other. Two of the at least two second walls are connected by using a first rounded corner. The first rounded corner has an inner diameter of R1. The case has a yield strength of Re at a temperature of 25°C, where Re and R1 satisfy: 140 MPa≤Re≤1000 Mpa and 2.5 mm≤R1≤20 mm. According to the case, the battery cell, the battery, and the power consuming apparatus in the embodiments of the present application, the problem of wrinkling and cracking of the case caused by material accumulation at the rounded corner can be reduced in a process of integrally forming the case.
Resumen de: EP4683055A1
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. According to the battery cell, the battery, and the power consuming device in the embodiments of the present application, the reliability of the battery cell can be improved.
Resumen de: EP4683056A1
Embodiments of the present application provides a housing, a battery cell, a battery, and an electrical apparatus. The housing is provided with an opening, and comprises a first wall arranged opposite to the opening and at least two second walls, wherein the first wall and the second walls are arranged to intersect each other. A transition area is arranged between every two adjacent second walls among the at least two second walls, and the maximum thickness T1 of the transition area and the maximum thickness TO of the second wall with the maximum thickness among the second walls meet: T1>T0. The housing, the battery cell, the battery and the electrical apparatus in the embodiments of the present application are conducive to solving the problem of housing deformation of battery cells in production and assembly process, and the problem of deformation of housings caused by gas generation and expansion during use.
Resumen de: EP4683438A1
Embodiments of the present application disclose a case, a battery cell, a battery, and a power consuming device. The case is applicable to the battery cell. The case is of a multi-layer structure. A material of an outermost case of the case includes at least one of the following: aluminum, an aluminum alloy, copper, a copper alloy, and chromium. According to the case, the battery cell, the battery, and the power consuming device in the embodiments of the present application, the service life of the case can be prolonged.
Resumen de: EP4683101A1
Embodiments of this application provide a connecting member, a battery cell, a battery, and an electric apparatus. The connecting member is for use in a battery cell. The connecting member includes a connecting portion and a bending portion. The connecting portion is connected to the bending portion. The connecting portion has a reinforcing structure, and the reinforcing structure is configured to make a bending strength of the connecting portion greater than a bending strength of the bending portion. In the connecting member provided in the embodiments of this application, the bending strength of the connecting portion of the connecting member is greater than the bending strength of the bending portion of the connecting member. Therefore, it is easier for the bending portion to bend compared to the connecting portion, so that deflection of a bending axis of the bending portion is reduced in a bending process, thereby allowing the connecting member to be smoothly installed into a housing of the battery cell and enhancing structural stability of the connecting member.
Resumen de: EP4682976A1
The present disclosure relates to a composite positive electrode active material to which an oxide-based solid electrolyte can be adhered to improve the conductivity, capacity, and output characteristics of a lithium secondary battery, without deteriorating the physical properties of a positive electrode active material itself, a preparation method thereof and a lithium secondary battery comprising the same. The composite positive electrode active material includes: positive electrode active material particles; and oxide-based solid electrolyte particles formed on the positive electrode active material particles and a crosslinked polymer binder, wherein the oxide-based solid electrolyte particles are adhered to the surface of the positive electrode active material particles via the crosslinked polymer binder.
Resumen de: EP4683091A1
Provided is a binder composition for a non-aqueous secondary battery functional layer that inhibits the formation of aggregates in a situation in which inorganic particles are compounded and is capable of forming a functional layer that can improve high-temperature storage characteristics of a secondary battery. The binder composition for a non-aqueous secondary battery functional layer contains a particulate polymer A and a dispersion medium. The electrical conductivity of the binder composition for a non-aqueous secondary battery functional layer at a solid content concentration of 20 mass% is not less than 1.0 mS/cm and not more than 10 mS/cm.
Resumen de: EP4683090A1
Provided is a binder composition for a non-aqueous secondary battery functional layer that has excellent dispersion stability and is capable of forming a functional layer that can improve high-temperature storage characteristics of a secondary battery. The binder composition for a non-aqueous secondary battery functional layer contains a particulate polymer A, a particulate polymer B differing from the particulate polymer A, and a dispersion medium. A coating film obtained through application and drying of the binder composition for a non-aqueous secondary battery functional layer on a separator substrate made of polyethylene has an 86° glossiness of not less than 1 and not more than 70 and a 60° glossiness of less than 6.
Resumen de: EP4683072A1
A holding apparatus (1) includes a holding portion (2) including a first portion (31) and a second portion (32), the first portion holding a first surface of a storage device, the first surface facing a first direction, the second portion holding a second surface of the storage device, the second surface facing a second direction which intersects the first direction, the holding portion holding the storage device to be detachable. The holding apparatus (1) includes a reinforcement portion (400) at a surface (31b) of the first portion (31), the surface (31b) being located opposite to a surface that faces the storage device, the reinforcement portion (400) being constituted of a second material having higher strength and/or rigidity than a first material which constitutes the holding portion (2).
Resumen de: EP4683158A1
A holding device (1) includes a holding portion (2) including a first portion (31) and a second portion (32), the first portion holding a first surface of a storage device, the first surface facing a first direction, the second portion holding a second surface of the storage device and facing a second direction which intersects the first direction, the holding portion holding the storage device to be detachable. The holding device (1) includes a bottom portion (3) which faces a placement surface (F) when the holding device (1) is placed. An internal space (40) is formed inside the holding device (1), the internal space including a first space (41) and a second space (42), the first space (41) being defined by the first portion (31) and the bottom portion (3), the second space (42) being defined by the second portion (32) and the bottom portion (3) and communicating with the first space (41). The holding device (1) includes, in the second space (42), an air-flow generator (80) which promotes a flow of air passing through the first space (41) and the second space (42).
Resumen de: EP4683059A1
Embodiments of the present application provide a case, a battery cell, a battery, and a power consuming apparatus. The case has an opening, and the case is of an integrally formed structure. The case includes a first wall and at least two second walls opposite to the opening. The first wall and the second walls intersect with each other. Two of the at least two second walls are connected by using a first rounded corner. An inner diameter R1 of the first rounded corner and a depth H of the case satisfy: 2.5 mm≤R1≤20 mm and 50 mm≤H≤250 mm. According to the case, the battery cell, the battery, and the power consuming apparatus in the embodiments of the present application, the problem of wrinkling and cracking of the case caused by material accumulation at the rounded corner can be reduced in a process of integrally forming the case.
Resumen de: EP4683045A1
A battery pack according to an embodiment of the present disclosure includes: a plurality of battery modules including a plurality of battery cells; heat sinks that are disposed to correspond to each of the battery modules and cool the battery modules; a temperature control system that supplies and recovers a coolant to the heat sinks; a coolant line that connects the heat sinks and the temperature control system; and a BMS (Battery Management System) module that monitors and controls the state of the battery modules, wherein a three-way type control valve is provided in the coolant line connected to each of the heat sinks, and the BMS module adjusts the control valves based on the temperature of the battery module and controls whether or not a coolant is supplied to the heat sink corresponding to the battery module.
Resumen de: EP4682294A1
The present application discloses a porous metal structure and a method for preparing the same. The method includes the following steps: providing a cold-rolled alloy foil material; carrying out recrystallization annealing treatment on the alloy foil material, and then carrying out first cooling treatment to obtain an alloy foil material having a first component phase; carrying out phase separation thermal treatment on the alloy foil material, and then carrying out second cooling treatment to separate out a second component phase and obtain an alloy foil material having both the first component phase and the second component phase, where the temperature of the phase separation thermal treatment is smaller than the temperature of the recrystallization annealing treatment, and an average cooling rate of the second cooling treatment is smaller than an average cooling rate of the first cooling treatment; and carrying out dealloying treatment on the alloy foil material, carrying out reduction annealing treatment in a reducing gas atmosphere, and carrying out third cooling treatment to obtain a porous metal structure. According to the present application, grain boundary corrosion cracks formed in dealloying treatment can be partially or even completely repaired, and the prepared porous metal structure can have good strength and toughness.
Resumen de: WO2024253726A1
An energy storage device comprising two electrodes, and a separator located between and electrically separating the two electrodes wherein at least one of the electrodes comprises an active layer that comprises electrode active particles, an electrically conductive element, and an electrolyte. The active layer is characterized by one or more of the following: the volume of the active layer in the presence of the electrolyte is at least 10%, preferably at least 20%, larger than a volume of a combination of the electrode active particles and the electrically conductive element in the absence of the electrolyte; a volume during use at least 10%, preferably at least 20%, larger than an original volume; the electrically conductive element is in the form of a flexible network capable of expansion and/or compression; the active layer includes flexible binder which facilitates expansion and contraction of the active layer.
Resumen de: EP4683026A2
A lithium metal battery according to one embodiment of the present disclosure comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; an electrolyte that impregnates the electrode assembly; and a battery case that incorporates the electrode assembly and the electrolyte, wherein the negative electrode comprises a negative electrode current collector and a lithium metal layer formed on at least one surface of the negative electrode current collector, and wherein the lithium metal battery is charged and discharged under a state where a pressure of 2 kgf/cm<sup>2</sup> or more and 30 kgf/cm<sup>2</sup> or less is applied thereto.
Resumen de: EP4683084A1
The present invention provides a structure of a battery pack including a plurality of battery modules juxtaposed in widthwise direction, each of the plurality of battery modules including: a rear cover connected to a rear end of the battery module, the rear cover having open front end and made of a heat-resistant material, wherein the rear cover includes: a pair of partition plates extending in rear direction from two widthwise ends of a rear end of the battery module; and a venting hole facing upward direction.
Resumen de: EP4683089A1
Provided is a binder composition for an electrochemical device functional layer that has excellent redispersibility after long-term storage and that can cause a functional layer to display excellent adhesiveness. The binder composition for an electrochemical device functional layer contains a particulate polymer, a water-soluble polymer, and water. The particulate polymer has a volume particle diameter D50 of not less than 1.0 µm and not more than 15.0 µm and a true specific gravity of not less than 1.00 and not more than 2.00.
Nº publicación: GB2642714A 21/01/2026
Solicitante:
JAGUAR LAND ROVER LTD [GB]
Jaguar Land Rover Limited
Resumen de: GB2642714A
A vehicle battery enclosure comprises a housing (200, figure 2) for receiving a plurality of battery subassemblies (206, figure 2), the battery subassemblies each comprising a plurality of cells. The housing comprises at least one dividing wall 860 defining a plurality of receiving portions 862 for accommodating the plurality of battery subassemblies, one or more dividing wall defining an internal cavity 866 accommodating a thermally resistant material 864. The thermally resistant material reduces heat transfer from one receiving portion to an adjacent receiving portion to mitigate against thermal runaway if one battery subassembly fails. The internal cavity may include a central wall 868 around which the thermally resistant material is provided. In other disclosed arrangements, a thermal protection member is provided in the internal cavity which acts to prevent passage of vent gases escaping from a cell of one subassembly to an adjacent subassembly. The thermal protection member is thermally resistant and may extend only partially into the cavity (figures 4 & 5) or may extend along the length of the cavity, either diagonally (figure 6B) or parallel to outer surfaces of the dividing wall (figure 8A).
BOPI
Sede Electrónica
