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1455
resultados
Última actualización
14/08/2025 [07:17:00]
Resultados 125 a 150 de 1455
Resumen de: EP4601074A1
The present disclosure relates to a power battery, a health evaluation method and a health evaluation device thereof. The power battery includes a cell, an expansion force sensor and an electrode sheet sensor. The cell includes electrode sheets. The expansion force sensor is electrically connected to the cell, and is configured to collect expansion forces at different thickness positions of the cell, and assess a health state of the power battery according to the expansion forces. The electrode sheet sensor is electrically connected to the cell, and is configured to collect the thicknesses of the electrode sheets at different thickness positions of the cell, and assess the health state of the power battery according to the thicknesses of the electrode sheets.
Resumen de: EP4600082A1
A battery temperature adjustment system is configured to adjust a temperature of an electricity storage device (100) mounted on a vehicle (1). The battery temperature adjustment system includes a temperature adjustment device (800) configured to adjust a temperature of the electricity storage device (100) and a processor (300) configured to control the temperature adjustment device (800). A setting mode of the temperature adjustment device (800) includes a first mode and a second mode.
Resumen de: EP4600219A1
A positive electrode active material including core particles including layered lithium nickel-manganese-based composite oxide, wherein each core particle is a secondary particle formed by agglomerating a plurality of primary particles, and a crystal size of the primary particle is about 105 nm to about 115 nm.
Resumen de: EP4601078A1
Ein Batteriegehäuse (1) für eine Antriebsbatterie (2) eines Fahrzeugs umfasst eine Gehäusewandung (3), wobei die Gehäusewandung (3) einen Kunststoff aufweist. Das Batteriegehäuse (1) umfasst eine Fluidleitung (4) für ein Temperiermittel. Die Fluidleitung (4) ist wenigstens zum Teil in der Gehäusewandung (3) eingebettet.
Resumen de: EP4601073A1
The present application provides a negative current collector and a preparation method thereof, a sodium secondary battery, and an electrical device. The negative current collector includes a matrix and a functional layer disposed on at least one side of the matrix and includes a multifunctional additive. The multifunctional additive includes NaxMNy*zH2O, where: M includes an atom capable of forming an alloy with Na; N includes at least one of atom O, atom S, and atom Se; and 0
Resumen de: EP4600032A1
The disclosure provides a battery core, a case body (100), a battery module, and a battery pack. The battery core provided by the disclosure includes the following. A case body (100) is provided, and the case body (100) has side surfaces (110) and a bottom surface (120) connected to each other. A composite layer (200) includes a shear resistant layer (210) and a connection layer (220). The shear resistant layer (210) is connected to the case body (100) through the connection layer (220). At least one of the shear resistant layer (210) and the connection layer (220) is an insulation layer, and the composite layer (200) covers at least one of at least part of the side surfaces (110) and at least part of the bottom surface (120).
Resumen de: EP4601035A1
An anode material, a preparation method thereof, and a lithium ion battery provided, relating to the technical field of lithium ion battery. The anode material includes a core and a coating layer formed on at least part of surface of the core, the core includes a silicon-based material, and the anode material has pore structure, where the pore structure has a differential ratio ΔΦ=ΔS×sΔP×Qmax satisfying 1×10<-3>≤ΔΦ≤0.5, where ΔS is an area of a hysteresis loop in isothermal adsorption and desorption curve of the anode material; s is a specific surface area of the anode material; ΔP is an interval difference of a relative pressure P/Po corresponding to the hysteresis loop, where 0≤ΔP≤1; and Qmax is a maximum isothermal adsorption quantity of the anode material. The preparation method of the anode material includes: performing chemical vapor deposition a silicon-based material core to be coated for coating, to obtain an anode material with pore structure. By forming a pore structure with certain complexity on the anode material, rate performance and cycle performance of the material are improved.
Resumen de: EP4600680A1
A method for diagnosing a battery according to first aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes a differential battery bank profile generating step of generating a differential battery bank profile representing a relationship between a differential capacity, which is obtained by differentiating a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and a diagnosing step of diagnosing a state of the battery bank based on a difference value between a differential capacity value of a target peak located in a predetermined voltage section among a plurality of peaks of the differential battery bank profile and a differential capacity value of a valley adjacent to the target peak.
Resumen de: EP4600679A1
A method for diagnosing a battery assembly according to one aspect of the present disclosure diagnoses a battery assembly including a battery bank provided by connecting a plurality of battery cells in parallel with each other, and the method includes generating a second differential profile representing a relationship between a second differential capacity, which is obtained by taking a second derivative of a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and detecting a target peak located in a predetermined voltage section among a plurality of peaks of the second differential profile and diagnosing a state of the battery bank based on a second differential capacity value of the target peak.
Resumen de: EP4601080A1
The invention is in the field of a mobile installation for street cleaning, also referred to as a cleaning machine for a road or pavement or gutter, for removing undesirable matter from roads or like surfaces, with or without moistening of the surface. These machines are used to remove objects, such as small items, such as leaves, and debris, and dirt from a road or the like, using a broom system for cleaning the road or the like, and typically a storage for removed objects and dirt.
Resumen de: EP4601051A1
An electrode plate includes: a base layer; a current collecting layer including: a first conductive layer; and a second conductive layer respectively on upper and lower surfaces of the base layer; and an electrode plate layer on at least one surface of the current collecting layer, wherein the current collecting layer includes: a current collecting portion where the electrode plate layer is on at least one surface; an extending portion extending outward from the current collecting portion; and a curved portion connected to the extending portion and having a portion that is bent.
Resumen de: EP4600017A2
Microporous breathable films include a polyolefin and an inorganic filler dispersed in the polyolefin. Methods for forming polymeric films and articles of manufacture prepared therefrom are described.
Resumen de: EP4600673A2
Discussed is a battery diagnosis apparatus that includes a measuring unit to measure a battery voltage at opposite ends of a battery, and a battery current flowing through the battery; a storage unit to store an internal resistance value of the battery calculated based on the battery voltage and the battery current at each diagnosis time point; and a control unit to calculate, for the each diagnosis time point, a moving average that is an average of a plurality of internal resistance values corresponding to a number of previously stored samples based on the diagnosis time point, and comparing the internal resistance value calculated for the each diagnosis time point with an upper band threshold that is larger than the moving average by a predetermined value and a lower band threshold that is smaller than the moving average by a predetermined value to diagnose a defect in the battery.
Resumen de: EP4601021A2
The present invention relates to a positive electrode active material for a secondary battery which includes a first positive electrode active material and a second positive electrode active material, wherein an average particle diameter (D<sub>50</sub>) of the first positive electrode active material is twice or more an average particle diameter (D<sub>50</sub>) of the second positive electrode active material, and the second positive electrode active material has a crystallite size of 200 nm or more.
Resumen de: EP4599783A2
A surgical instrument comprising a jaw assembly is disclosed. The surgical instrument further comprises a motor-driven drive system configured to manipulate the jaw assembly. The surgical instrument also comprises a control system configured to control the drive system and, also, control a power supply system configured to supply electrical power to electrodes defined in the jaw assembly. In use, the surgical instrument can be used to apply mechanical energy and electrical energy to the tissue of a patient at the same time, or at different times. In certain embodiments, the user controls when the mechanical and electrical energies are applied. In some embodiments, the control system controls when the mechanical and electrical energies are applied.
Resumen de: EP4601071A1
A rechargeable battery pack (100) includes a holder (10) with an accommodation space (11a) therein, a plurality of unit battery cells (12) in the accommodation space, a connection tab (20) electrically connecting the plurality of unit battery cells at an upper part of the holder, a busbar (30) including a connector (35) electrically connected to the connection tab and extending to the upper part of the holder, a BMS circuit (60) electrically connected to the connector, and a support (50) between the connector and the BMS circuit, and supporting the BMS circuit on an upper surface of the holder.
Resumen de: EP4601072A1
A rechargeable battery pack (100) includes a holder (10) including a plurality of accommodation spaces therein; a plurality of unit battery cells (12) in the plurality of accommodation spaces; at least one connection tab (20) that electrically connects the plurality of unit battery cells on an upper portion of the holder; a busbar (30) that includes a busbar plate (31a, 33a) electrically connected to the at least one connection tab and extending in a first direction along a side surface of the holder, and a bending connection portion on the upper portion of the holder, the bending connection portion being connected to the busbar plate and bent in a second direction that is perpendicular to the first direction; and a battery management system (50), BMS, circuit on the upper portion of the holder and electrically connected to the bending connection portion.
Resumen de: EP4601082A2
Disclosed is an underbody for a vehicle, comprising at least one battery module, a tray member fastened to a lower portion of a vehicle body frame and including a receiving portion having a structure with an open lower surface to accommodate the at least one battery module, a cover member to cover the open lower surface of the receiving portion, a thermal interface material interposed between the at least one battery module and the cover member. The cover member includes a flow path to circulate a refrigerant fluid.
Resumen de: EP4601076A2
A battery management system determines a charging current to charge a battery pack in each period based on a derating factor of a charge cycle including a plurality of periods, updates the derating factor based on a result of comparing a voltage of the battery pack in each period with a voltage upper limit value set in the corresponding period, and uses the updated derating factor in a next charging cycle.
Resumen de: EP4601081A2
A battery system includes a can with a lip around an opening. At least an interior surface of the can is anodized and the lip of the can includes a longer and shorter side. The can further includes a flange on the longer side of the lip and a plurality of layers that are inserted into the can. The plurality of layers includes a battery cell and a thermally conducting layer with a fin and the fin has a spring force that pushes the fin towards the anodized interior surface. The battery system further includes a lid that is configured to cover the opening of the can, where the flange is configured to wrap around the lid when the lid covers the opening of the can.
Resumen de: EP4601052A1
A positive electrode plate includes a current collector, and a positive electrode protection layer and a positive active material layer disposed on the current collector in sequence. The positive electrode protection layer includes inorganic particles, a first conductive material, and a binder. The binder includes a water-soluble polymer metal salt. The first conductive material includes a conductive oxide containing a doping element. A first metal element in the conductive oxide includes at least one of a Group IVA metal element and a Group IIIA metal element. The doping element includes at least one of a Group IIIA non-metal element, a Group VA element, or a Group VIIA element. A mass ratio of the doping element to the first metal element is 1: (10 to 200), and a mass ratio of the first metal element to a metal element in the inorganic particles is 1: (3 to 9). The positive electrode plate with the positive electrode protection layer is of high safety and can effectively improve electrochemical performance of the battery during use.
Resumen de: EP4599732A1
An assembly is provided that includes an umbrella hub and a battery pack. The umbrella hub includes a hub body and a support portion. The hub body to be disposed about an umbrella pole. The hub body including an upper surface and a lower surface. The support portion disposed at the lower surface of the hub body. The battery pack includes a housing, an outer periphery, an inner periphery, a projection, and a battery cell. The housing includes a first portion and a second portion. The outer periphery and the inner periphery are each defined in part by the first portion and the second portion. The projection extends from the inner periphery. The projection to rest on the support portion of the umbrella hub to couple the battery pack to the umbrella hub. The battery cell disposed in the housing to supply or receive power through an electrical connection.
Resumen de: EP4600081A1
A temperature control method includes determining (S11) a target temperature regulating system operating normally among a plurality of temperature regulating systems, the temperature regulating system being configured to regulate the temperature of a battery pack, and the battery pack being configured to supply power to the temperature regulating system; determining (S12) a target control strategy matching a first state of the plurality of temperature regulating systems and a second state of a plurality of battery packs; and controlling (S13) the target temperature regulating system to regulate the temperature of the plurality of battery packs according to the target control strategy.
Resumen de: EP4601048A1
A cathode current collector for a lithium secondary battery according to embodiments of the present disclosure includes a stacked structure including an aluminum layer, an aluminum-copper alloy layer formed on the aluminum layer, and a copper layer formed on the aluminum-copper alloy layer, wherein a surface of the stacked structure may be doped with at least one metal element. Accordingly, the electrical conductivity of the cathode current collector may be improved and the cell resistance may be reduced.
Nº publicación: EP4601045A1 13/08/2025
Solicitante:
SUMITOMO CHEMICAL CO [JP]
Sumitomo Chemical Company, Limited
Resumen de: EP4601045A1
A negative electrode material contains a negative electrode active material and a solid electrolyte material, wherein the solid electrolyte material contains an alkali metal element, a metal element except alkali metal elements or a metalloid element, and a halogen, and the metal element except alkali metals or the metalloid element includes at least one of Zr and In.
BOPI
Sede Electrónica
