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1435
resultados
Última actualización
22/01/2026 [07:22:00]
Resultados 75 a 100 de 1435
Resumen de: WO2024194225A1
The present invention relates to a polyamide molding composition comprising at least one polyamide (PA), glass fibers (GFs), and at least one flame retardant (FR), wherein a time of failure (tF) of the composition is at least 5.0 min, preferably at least 6.0 min, more preferably at least 10.0 min, and to a polyamide molding composition comprising at least one PA, GFs, and at least one FR, wherein the distribution of the lengths of the GFs is characterized by an arithmetic average length (Lav) of 220 μm or more; and the proportion of the GFs having a length higher than 400 µm is at least 20% (in numbers). The present invention also relates to an article comprising said composition, and to use of the glass fibers and a flame retardant in improving thermal resistance of a polyamide molding composition.
Resumen de: CN120898117A
A flexible sheet-like sensor device (1) for measuring the temperature distribution of battery cells of a battery pack, comprising: a flexible insulating film (2) having a first surface (21) and a second surface (22) opposite the first surface (21); a conductive line (3) printed on a first surface (21) of the insulating film (2); the plurality of surface-mounted thermistors (4) are arranged on the first surface (21) of the insulating film (2), the plurality of surface-mounted thermistors (4) are electrically connected through the conductive circuit (3), and the plurality of surface-mounted thermistors (4) are distributed on the first surface (21) of the insulating film (2) so as to be capable of measuring the surface temperature distribution of a single battery monomer of the battery pack.
Resumen de: WO2024199701A1
The present invention concerns a three-dimensional (3D) network of metal fibers comprising a plurality of metal fibers and a metallic compound, an electrode having said three-dimensional (3D) network of metal fibers, a battery comprising said electrode, a filter having said three-dimensional (3D) network of metal fibers, a catalyst having said three-dimensional (3D) network of metal fibers, and a method of producing a three-dimensional (3D) network of metal fibers by electroless deposition.
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).
Resumen de: GB2642713A
A vehicle battery enclosure (200, figure 2) comprises a housing 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 406 defining a plurality of receiving portions 408,410 for accommodating the plurality of battery subassemblies, one or more dividing wall defining an internal cavity 412 and including a thermal protection element 414 arranged in the internal cavity. The thermal protection element reduces heat transfer from one receiving portion to an adjacent receiving portion to mitigate against thermal runaway if one subassembly fails. The thermal protection element may be arranged to deflect gases emitted from cell vents 416,418 and prevent passage of vent gases between adjacent battery subassemblies. The thermal protection element may extend only partially into the cavity as shown or may extend along the entire length of the cavity, either diagonally (figure 6B) or parallel to the dividing walls outer surfaces (figure 8A).
Resumen de: EP4682984A1
The present disclosure provides a layered oxide cathode material and a preparation method thereof, a cathode sheet, and a sodium ion battery, and belongs to the technical field of sodium ion batteries. The layered oxide cathode material includes an O3@P2-phase composite oxide particle and an inert coating layer coated on its surface, and the O3@P2-phase composite oxide particle includes an O3-phase nickel-manganese-based oxide layered particle and a P2-phase metal oxide coating layer coated on the surface of the O3-phase nickel-manganese-based oxide layered particle; and the inert coating layer is a carbon layer and/or an inorganic metal oxide layer. When the layered oxide cathode material provided by the present disclosure is applied to the sodium ion battery, the prepared sodium ion battery has high initial coulombic efficiency, excellent rate performance, long cycle life, and good air stability.
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: 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: 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: 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: 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.
Resumen de: CN121039508A
A system and method related to estimating a battery state of health (SOH) and/or a battery state of charge (SOC) without a long charge-discharge cycle is provided. A test system uses a machine learning trained estimation model to provide an estimate of battery SOH or battery SOC based on battery test results for specific battery characteristics based on battery chemistry. Once the battery chemistry is entered, the test system automatically applies a test to the battery and calculates a value for a particular characteristic based on the test results. The trained estimation model then estimates a battery SOH or battery SOC using the values of the particular characteristics. The system is a data-based driven method that estimates a battery state of health and/or a battery state of charge based on selection of particular characteristics (or parameters), and correlates values of these characteristics with the battery state of health and/or the battery state of charge.
Resumen de: EP4683074A1
A battery pack P includes a battery module M including two end plates 1 and at least one battery cell C that is arranged between the two end plates 1, and a case 2 that houses the battery module M and includes a bottom wall 3 to which the two end plates 1 are fixed. inside the case, at least a fixing part 4 fixing the bottom wall 3 and one end plate 1 of the two end plates is covered with an insulator 5, 6 having waterproof and electrical insulation properties. The battery pack P according to the above configuration, if water enters the case 2, prevents the creation of a short circuit due to ionic conduction in water.
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: 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: EP4683029A1
A battery according to the present disclosure includes: a first electrode; a second electrode; and an electrolyte layer disposed between the first electrode and the second electrode so as to be in contact with the first electrode and the second electrode, wherein the first electrode is a sintered body including a first active material and a first oxide solid electrolyte, the electrolyte layer is a sintered body including a second oxide solid electrolyte, and includes: a first region including an interface between the first electrode and the electrolyte layer; and a central region including a center position in a thickness direction, the electrolyte layer having an insulating property in the first region, and a mass ratio of a carbide derived from a binder in the first electrode is lower than a mass ratio of a carbide derived from a binder in the central region of the electrolyte layer.
Resumen de: EP4682109A1
A lithium-metal composite oxide contains at least Ni, in which the lithium-metal composite oxide contains a plurality of particles, in a powder X-ray diffraction measurement of the lithium-metal composite oxide using a CuKα ray, in a case where a diffraction peak on a low-angle side in a range of 2θ = 38.0 ± 0.5° is defined as a peak A and a diffraction peak on a high-angle side is defined as a peak B, a ratio A/B of a half-width of the peak A to a half-width of the peak B is 1.35 or more and 2.25 or less, and an average convexity of the lithium-metal composite oxide is 0.971 or more and 1.000 or less.
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.
Nº publicación: EP4683084A1 21/01/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
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.
BOPI
Sede Electrónica
