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1893
resultados
Última actualización
04/10/2025 [08:24:00]
Resultados 725 a 750 de 1893
Resumen de: WO2025204103A1
A battery swapping apparatus according to the present disclosure is for replacing a battery of a vehicle. The battery swapping apparatus is provided with: a hand movable in a horizontal first direction orthogonal to a vertical direction; a displacement absorption part attached to an end part on a front side in the horizontal first direction of the hand; and an adsorption part attached to an end part on a front side in the horizontal first direction of the displacement absorption part so as to adsorb the battery. The displacement absorption part is restricted in rotation about an axial line in a horizontal second direction orthogonal to the vertical direction and the horizontal first direction, and absorbs displacement due to rotation about an axial line in the vertical direction, displacement in the horizontal first direction, and displacement in the horizontal second direction.
Resumen de: WO2025206059A1
The disclosed non-aqueous electrolyte secondary battery comprises: a positive electrode; a negative electrode that includes a negative electrode mixture layer; and a non-aqueous electrolyte. The negative electrode mixture layer comprises a negative electrode active material and a binder component. The binder component comprises a binder compound and a phosphorus-containing compound. The phosphorus-containing compound comprises at least one kind of phosphorus-containing group selected from the group consisting of a phosphate group, a phosphate base, a phosphonic acid group, and a phosphonic acid base. There are at least two but not more than five of the at least one kind of phosphorus-containing group included in the phosphorus-containing compound. The negative electrode active material contains a silicon-containing material.
Resumen de: WO2025200269A1
The present application relates to the technical field of batteries, and in particular, to a negative electrode material, a preparation method, and a use. The negative electrode material comprises a silicon-carbon composite material; the silicon-carbon composite material comprises porous carbon and nano-silicon particles located in pores of the porous carbon; and the ratio of the end face area to the total area of the porous carbon is A, the ratio of the basal face area to the total area is B, and the ratio of the defect face area to the total area is C, wherein the following relational expressions are satisfied: A
Resumen de: WO2025200710A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a secondary battery (1), and an electric device (2). The positive electrode active material comprises core-shell particles, each core-shell particle comprises an inner core and a shell layer, the inner core comprises a first positive electrode material, and the shell layer comprises a second positive electrode material. The first positive electrode material comprises a material represented by the general formula, i.e., Lia1Nib1M1c1O2, wherein M1 comprises one or more of Mn, Co, Al, Mg, Ti, Zr, and W, 0.9≤a1≤1.2, and b1+c1=1; the second positive electrode material comprises a material represented by the general formula, i.e., Lia2Nib2M2c2O2, wherein M2 comprises one or more of Mn, Al, Sr, Nb, and Y, 0.9≤a2≤1.2, and b2+c2=1; c2 and c1 satisfy: c2-c1≥0.05. The positive electrode active material has high nickel content and high thermal stability.
Resumen de: WO2025200272A1
The present application discloses a battery pack, comprises a case, the case being provided with an accommodating cavity having one open side; a cover, the cover covering the open side of the case to seal the accommodating cavity; a battery cell group, the battery cell group being arranged in the accommodating cavity, and electrodes of the battery cell group facing the cover; and a busbar, the busbar being arranged between the battery cell group and the cover, a pressure relief space is reserved between the busbar and the cover, wherein insulating cooling oil is injected into the accommodating cavity, and the electrodes of the battery cell group and the busbar are immersed in the insulating cooling oil.
Resumen de: WO2025206015A1
An electric power storage module (110) comprises: at least one electric power storage device (120); a case (140) in which the at least one electric power storage device (120) is accommodated; an exhaust pipe (160) that exhausts gas in the case (140) from the case (140); and a filter mechanism (170) that is provided to the exhaust pipe (160) and collects a cooling liquid (150) contained in the gas. The filter mechanism (170) has a first filter (171) and a second filter (172), and the pressure loss of the first filter (171) is greater than the pressure loss of the second filter (172).
Resumen de: WO2025203315A1
Provided is a charging control method in which, in a vehicle equipped with an electric motor unit including a motor and an inverter, and a high-power battery for supplying power to the electric motor unit, the high-power battery is warmed up by heat generated by applying a current to the electric motor unit before or in parallel with charging from an external charging facility to the high-power battery by step-up charging via the electric motor unit. In this charging control method, when warm-up is started and the upper limit current that can be received by the high-power battery is a prescribed value or lower, a relay disposed between the electric motor unit and the high-power battery is opened to cut off electrical connection between the electric motor unit and the high-power battery, and a current is applied from the external charging facility to the electric motor unit. In particular, the current applied to the electric motor unit is made larger than the current applied to the electric motor unit when the upper limit current is applied to the high-power battery while the relay is closed.
Resumen de: WO2025204700A1
The present disclosure provides an alkaline storage battery exhibiting excellent battery characteristics over a wide range of temperatures. In the alkaline storage battery (10) according to the present disclosure, a wound electrode group is divided into a first portion (I) including the circumferentially outermost portion of each of a positive electrode (1) and a negative electrode (2), and a second portion (II) on the circumferentially inner side from the first portion (I). The first portion (I) includes the circumferentially outermost portion of the positive electrode (1) and the portion from a position b1 of the negative electrode opposite the circumferentially innermost position a1 of the circumferentially outermost portion of the positive electrode (1) to an outermost end b2 of the negative electrode. (1) The capacities N1 and N2 per unit area of the negative electrode (2) in the first portion (I) and the second portion (II), respectively, satisfy N2 > N1. (2) The capacities Pa of the positive electrode (1) and Na of the negative electrode (2) across the entire first portion as well as the capacities Pb of the positive electrode (1) and Nb of the negative electrode (2) across the entire second portion satisfy 1.04 ≤ Na/Pa ≤ 1.26 and 1.80 ≤ Nb/Pb ≤ 2.22.
Resumen de: WO2025204705A1
A method for producing a recycled positive electrode active material including the following steps. Step (1): A step for obtaining a mixture by mixing a positive electrode mixture containing a positive electrode active material and an activation treatment agent containing one or more alkali metal compounds; Step (2): A step for heating the mixture to a temperature equal to or higher than the melting start temperature of the activation treatment agent in the presence of oxygen having a flow rate of more than 0 L/min and at most 0.120 L/min per 1 L heating space to obtain a heated mixture; Step (3): A step for recovering the heated positive electrode active material from the heated mixture.
Resumen de: WO2025200550A1
A high-compaction-resistant nano carbon-coated aluminum current collector, relating to the technical field of current collectors of batteries.The nano carbon-coated aluminum current collector comprises an aluminum current collector and mesh-shaped conductive layers respectively coated on the upper and lower surfaces of the aluminum current collector, wherein the mesh-shaped conductive layers each are formed by slurry coating and baking, and a slurry comprises a conductive material, a binder, nanocellulose, a cross-linking agent, a solvent, and a wetting agent. Through the design of a slurry formulation and an aluminum current collector coating, a layer of mesh-shaped structure is formed in a nano conductive coating, such that the effect of conductive particles on pinholes of an aluminum current collector is reduced, and a nano carbon-coated aluminum current collector can withstand higher compaction density of active materials, thereby reducing the frequency of aluminum foil breakage, improving the energy density of a battery.
Resumen de: WO2025206826A1
Disclosed in the present specification are a composite material and a fire extinguishing device which can be applied to products or elements that are in or likely to be in an abnormal state to effectively respond to the abnormal state. For example, the composite material and the like can be applied to an article comprising a plurality of such products or elements to respond to abnormal heat generation, explosion, and ignition occurring in a certain element or product and prevent or minimize the propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composite material and the like also exhibit excellent handling properties and storage stability. The present specification may also provide uses of the composite material and the like.
Resumen de: EP4625547A2
Complex particles for a negative electrode active material according to the present disclosure have no problem with reduced capacity and output by virtue of sufficient electrochemical reaction sites between a solid electrolyte and an electrode active material. The complex particles according to the present disclosure include carbon particles of a carbon material such as flaky graphite, which are spherical in shape by shape modification, and a solid electrolyte and a conductive material filled between the particles, and thus have the increased contact area between the active material and the solid electrolyte increases, and ion conduction and electron conduction paths extended and maintained to the inside of the active material particles.
Resumen de: EP4624376A1
The present application relates to a material storage apparatus, a battery assembly system and control method, and a battery production system, in which a first sensing assembly is disposed on the storage bin, and the first sensing assembly is configured to determine whether the assembly apparatus enters the discharging port. When the material storage apparatus does not receive a material discharging instruction, the first sensing assembly is in an activated state, and continuously monitors whether the assembly apparatus enters the discharging port; if detected, the first sensing assembly feeds back a corresponding signal to the control module, and the control module then controls the assembly apparatus to halt, so as to restrict the assembly apparatus from mistakenly entering the accommodating cavity. In this case, material feeding operations can be performed at the feeding port, that is, materials can enter the accommodating cavity through the feeding port for accommodation, thereby achieving safe material feeding. When the material storage apparatus receives the material discharging instruction, the first sensing assembly is in a deactivated state, and in this case, the assembly apparatus can smoothly enter the accommodating cavity through the discharging port for material pickup. This design does not require a dedicated one-to-one space configuration, thereby reducing space occupation, increasing space utilization rate, and lowering assembly cost.
Resumen de: EP4625597A1
An electrochemical apparatus and an electronic apparatus, including an electrode assembly (10). The electrode assembly (10) includes a positive electrode plate (12), a negative electrode plate (11), and a separator (13). The positive electrode plate (12) includes a positive electrode current collector (121), a first positive electrode active material layer (122), and a second positive electrode active material layer (123). The negative electrode plate (11) includes a negative electrode current collector (111), a first negative electrode active material layer (112), and a second negative electrode active material layer (113). The electrode assembly (10) includes a flat region (S) and a bent region (C). The negative electrode plate (11) includes a first bent section (11a) and a second bent section (11b). The positive electrode plate (12) includes a third bent section (12a). The first bent section (11a), the third bent section (12a), and the second bent section (11b) are sequentially disposed away from a winding center (O). The electrode assembly (10) satisfies a relation: 0.850≤N2/P2N1/P1≤0.99, where N1 represents a capacity per unit area of the second negative electrode active material layer (113) in the first bent section (11a); P1 represents a capacity per unit area of the first positive electrode active material layer (122) in the third bent section (12a); N2 represents a capacity per unit area of the first negative electrode active material layer (112) in the second be
Resumen de: EP4625546A1
The present application provides a positive electrode active material, a positive electrode, a secondary battery, and an electrical device. A particle size distribution curve of the positive electrode active material satisfies a special mathematical relationship, and the positive electrode active material has a high compaction density, a good first charging gram capacity, and a high first cycle efficiency.
Resumen de: EP4625513A1
A negative electrode includes a negative electrode current collector and a negative electrode active material layer arranged on a surface of the negative electrode current collector, the negative electrode active material layer including graphite, an orientation value of the negative electrode active material layer being less than or equal to 3, and a binding force between the negative electrode current collector and the negative electrode active material layer being greater than or equal to 0.25 N/40 mm. The negative electrode has excellent ion and electron transport capabilities and good internal stability, which is conducive to its use in a battery to improve the charging and discharging rates, the cycling capacity retention rate, and the service life of the battery.
Resumen de: EP4625619A1
The present disclosure provides a heat-absorbing composite material, a heat absorber, a battery assembly, and an electrical device. The heat-absorbing composite material includes a skeleton and a heat-absorbing material. The heat-absorbing material comprises a phase-change material. Holes of the skeleton are filled with the heat-absorbing material. A first surface of the heat-absorbing composite material is located between a second surface of the heat-absorbing composite material and a battery core. 0.2≤2252×r×ρ(S×x-a×H)×10<-9>/(0.6×Qc-360×cp×M)≤30, where r is the mass content of the phase-change material in the heat-absorbing material, ρ is the density of the heat-absorbing material in kg/m<3>, x is the thickness of the heat-absorbing composite material in mm, S is the area of the first surface in mm<2>, a is the area of an orthographic projection of the skeleton on the first surface in mm<2>, H is the thickness of the skeleton in mm, Qc is the capacity of the battery core in kJ, cp is the specific heat capacity of the battery core in kJ·kg<-1>·K<-1>, and M is the mass of the battery core in kg.
Resumen de: EP4624418A1
Matériau de structure cristallographique de type alluaudite de formule A3-δ1M2+δ2(PO4)n(SO4)mdans laquelle :- M est un métal de transition choisi parmi le fer (Fe), le manganèse (Mn), le cobalt (Co), le nickel (Ni) et leurs mélanges,- A est un alcalin choisi parmi le sodium (Na), le lithium (Li), le potassium (K) et leurs mélanges,- le degré d'oxydation moyen d du métal de transition M étant compris entre +2 et +2,30,- n, m, δ1 et δ2 étant des coefficients qui remplissent les conditions suivantes :∘ 0≤δ1≤0,50,∘ 0≤δ2≤0,30 et∘ n+m=3 avec n > 0 et m > 0.
Resumen de: EP4625512A1
Provided is an electrode for secondary battery. The electrode may include a substrate, a first coated portion disposed on a first surface of the substrate, the first coated portion comprising an active material; and a first uncoated portion disposed on the first surface of the substrate, the first uncoated portion being in contact with the first coated portion and exposing the substrate, wherein a first side portion of the first coated portion in contact with the first uncoated portion has a stepped surface.
Resumen de: EP4625541A2
The invention relates to a particulate material comprising a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework comprising micropores and mesopores having a total pore volume of at least 0.6 cm<sup>3</sup>/g, where the volume fraction of micropores is in the range from 0.1 to 0.9 and the volume fraction of pores having a pore diameter no more than 20 nm is at least 0.75, and the porous carbon framework has a D<sub>50</sub> particle size of less than 20 µm; (b) silicon located within the micropores and/or mesopores of the porous carbon framework in a defined amount relative to the volume of the micropores and/or mesopores.
Resumen de: EP4625636A1
An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided in the present disclosure. The end cover assembly includes an upper cover, a lower plastic member, a first terminal-post, and a first pressing ring. The upper cover includes a first protrusion and defines a first mounting recess. The lower plastic member defines a first accommodating recess. The lower plastic member is stacked with and connected to the upper cover. At least a part of the first accommodating recess is positioned in the first mounting recess. The first terminal-post passes through the upper cover and the lower plastic member. The first pressing ring is sleeved on the first terminal-post and fixedly connected to the first terminal-post. At least a part of the first pressing ring is positioned in the first accommodating recess and fixed connected to a recess wall of the first accommodating recess. In a direction perpendicular to a thickness direction of the end cover assembly, an orthographic projection of the first pressing ring on the lower plastic member covers an orthographic projection of the first protrusion on the lower plastic member.
Resumen de: EP4625537A1
A secondary battery including a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode material layer disposed on at least one surface of the negative electrode current collector. The negative electrode material layer includes a negative electrode active material, a binder, and a conductive agent. The negative electrode active material includes a carbon material and silicon-carbon composite particles. Based on a mass of the negative electrode material layer, a mass percentage of silicon element is 4.4% to 10.5%, and a mass percentage of carbon element is 85% to 90%. A powder conductivity of the negative electrode material layer is 8 S/m to 15 S/m.
Resumen de: EP4626153A2
Embodiments of this application provide a circuit board assembly and an electronic device. The circuit board assembly includes at least a frame plate, circuit boards, support bodies, and solder joints. The frame plate includes a frame body and first pads provided on the frame body. The circuit boards each are provided on one side of the frame plate. The circuit board includes a board body and second pads provided on the board body. The first pads face the second pads. The support bodies are provided between the frame plate and the circuit boards. The support bodies are configured to support the circuit boards, so that a predetermined spacing exists between the first pads and the second pads. The support bodies each include a first support portion and a second support portion. The first support portion and the second support portion are stacked along a thickness direction of the frame plate. The first support portion is connected to the frame body. The second support portion is connected to the board body. Solder joints are provided between the first pads and the second pads. The solder joints connect the first pads to the second pads.
Resumen de: EP4625642A2
Ce module de batterie (200) est configuré pour être inséré dans un logement (201) de batterie débouchant sur une face avant (22) d'une unité de contrôle (20) d'un disjoncteur électrique. Le module de batterie comprend une enveloppe (210) avec une paroi proximale (214), qui est globalement orthogonale à un axe principal (A214), et une paroi périphérique (216), qui s'étend depuis la paroi proximale et présente un contour continu autour de l'axe principal, la paroi proximale et la paroi périphérique délimitant ensemble une cavité (211) de réception d'une pile (212). Le module de batterie comprend un élément conducteur (220B), qui est partiellement reçu dans la cavité et qui est configuré pour être connecté à un pôle de la pile. La paroi proximale et la paroi périphérique forment ensemble une portion continue de l'enveloppe qui s'étend depuis la paroi proximale et selon l'axe principal, jusqu'à une distance minimale (L240) supérieure ou égale à 14 mm.
Nº publicación: EP4625618A1 01/10/2025
Solicitante:
EVE ENERGY CO LTD [CN]
Eve Energy Co., Ltd
Resumen de: EP4625618A1
A CTP battery box includes: a bottom plate and a plurality of side plates. The plurality of side plates are connected to the bottom plate. Adjacent side plates of the plurality of side plates are connected to each other to form a mounting space. A side of the bottom plate near the mounting space defines a plurality of adhesive slots. An insulating layer is arranged to cover the plurality of adhesive slots. The insulating layer defines a plurality of through holes. Each of the plurality of through holes matches a respective one of the plurality of adhesive slots. An adhesive member is arranged in each of the plurality of adhesive slots and passes through a respective one of the plurality of through holes. The insulating layer isolates the bottom plate from a plurality of cells; the adhesive member is configured to adhere the plurality of cells.
BOPI
Sede Electrónica
