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1601
resultados
Última actualización
20/03/2026 [07:15:00]
Resultados 75 a 100 de 1601
Resumen de: WO2025010459A1
The invention relates to a method (100), a computer program product, a control system (10) and a battery charging system (90) for determining a charging current limit for a charging process of a rechargeable battery device (1000). In this case, measurement parameters (MP) are recorded at the battery device (1000). Furthermore, battery parameters (BP) are determined by means of a process physics-based battery model on the basis of the recorded measurement parameters (MP). Furthermore, prediction parameters (VP) for the onset of metal plating at an electrode (1001, 1002) of the battery device (1000) are determined with the aid of a prediction model, in particular a data-driven prediction model, wherein at least one forecast onset time of metal plating is determined as prediction parameter(s) (VP) on the basis of at least the battery parameters (BP) as input parameters of the prediction model. Control parameters (KP) for controlling the charging process are determined with the aid of a control model, which is likewise in particular a data-driven control model, wherein on the basis of the measurement parameters (MP), the battery parameters (BP) and the prediction parameters (VP), the charging current limit is determined as the at least one control parameter (KP) and the determined charging current limit for specifying the charging current is output to a battery charging system (90).
Resumen de: EP4712294A1
This application provides a control method and system for low-power logic threshold protection of an energy storage system. The method includes: reading a charging/discharging instruction state of a battery of the energy storage system; determining a real-time state of the battery based on the charging/discharging instruction state of the battery; determining, based on the real-time state of the battery, whether a remaining capacity of the battery is less than a preset low-power threshold; and performing low-power logic threshold protection control management on the battery of the energy storage system if the remaining capacity of the battery is less than the preset low-power threshold. In this way, the real-time state of the battery is determined based on the charging/discharging instruction state of the battery of the energy storage system; whether the remaining capacity of the battery is less than the preset low-power threshold is determined based on the real-time state of the battery; and low-power logic threshold protection control management may be performed on the battery of the energy storage system when the remaining capacity of the battery is less than the preset low-power threshold, thereby resolving a problem that an existing energy storage system employs a singular control method with incomplete systematic protection for the energy storage system and without an active protection capability.
Resumen de: EP4712711A1
The present disclosure relates to the technical field of energy storage, and, in particular, to an energy storage converter and an energy storage system. In embodiments of the present disclosure, a first cavity of a housing is configured to include a first region and a second region which are arranged along a first direction, an airflow generation apparatus can generate a first airflow flowing through the first region and a second airflow flowing through the second region, and the first airflow and the second airflow both flow in from a first side of the first cavity and flow out from a second side of the first cavity, so that the first region can be subjected to heat management by using the first airflow, and the second region can be subjected to heat management by using the second airflow. Meanwhile, since an average heat generation of devices arranged in the first region is greater than an average heat generation of devices arranged in the second region, more of the first airflow can flow into and flow out of a first channel defined by a cover by arranging the cover in the first region, so that a heat management effect of the first region can be improved, and then, a heat management effect can be improved on the whole.
Resumen de: EP4712237A1
Provided are a power tool and a battery pack. The battery pack includes: a housing; a power tool interface configured to be connected to the power tool, where the power tool interface includes a terminal assembly; and a cell module accommodated in the housing and electrically connected to the terminal assembly, where the cell module includes at least multiple cell units. The continuous discharge power of the cell unit is greater than or equal to 300 W.
Resumen de: EP4712154A1
Disclosed are an electrode with improved sliding portions, a method for manufacturing the same and a secondary battery including the same, the electrode including a current collector; and an active material layer located on at least one surface of the current collector, wherein the current collector has at least one first surface portion in contact with the active material layer, and a second surface portion located at two sides of the first surface portion, wherein the active material layer is not located at the second surface portion, and wherein a contact angle of water droplet on the first surface portion is smaller than a contact angle of water droplet on the second surface portion,.
Resumen de: EP4712218A1
A battery cell and a battery module including the same are disclosed. A battery cell includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing the case, a pair of terminals protruding from the cap plate and spaced apart from each other in a first direction, a vent between the terminals, a first insulation sheet facing the cap plate, and a second insulation sheet extending from the first insulation sheet and facing the case.
Resumen de: EP4712245A1
Disclosed is a battery module with an improved safety by appropriately controlling venting when a thermal event occurs inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and having a venting channel so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside, the venting unit having a protrusion configured to protrude toward an outer surface of the module case from the inside of the venting channel.
Resumen de: EP4712250A1
Example embodiments provide a secondary battery manufacturing method. The secondary battery manufacturing method includes collapsing an embossed structure of an electrode tab and welding a battery case to a collapsed part of the embossed structure.
Resumen de: EP4712255A1
The present invention provides a structure of a battery module comprising: a battery cell; a housing accommodating the battery cell; a cover constituting one side of the housing and provided with a first hole connecting inside and outside of the housing; an insulation sheet provided between the battery cell and the cover and having a second hole disposed at a position corresponding to the first hole; and a hole insulator covering at least a portion of an inner circumferential surface of the first hole.
Resumen de: EP4712205A1
The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.
Resumen de: CN121241465A
The present disclosure provides a system for mitigating and limiting the effects of fluid released from a battery component. The system includes a base having a plurality of outlets, the base coupled with a battery module housing configured to receive a battery module, with the plurality of outlets arranged in a configuration across the base. The system also includes one or more nozzles configured to receive an inhibitor and provide the inhibitor to the base, where in response to an out-of-control event at the battery module, the base is configured to interact with an exhaust fluid from the battery module to cool the exhaust fluid.
Resumen de: EP4712247A1
Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the first base film and the second base film, the coating includes an ion-trapping agent, and a reduction potential of the ion-trapping agent relative to lithium metal is 0 V to 2 V. A secondary battery containing the separator exhibits improved cycling performance.
Resumen de: EP4712198A1
A lead-acid battery 1 includes: a battery case 10; electrode plates 30A and 30B housed in the battery case 10; an electrolyte solution U housed in the battery case 10; and a vent plug 70 attached to the battery case 10, in which the vent plug 70 includes a tubular plug body 71, a splash guard 90 positioned inside the plug body, and a plurality of catalytic devices 100A, 100B, that promote reaction generating water from gas produced by charge-discharge reaction. Each of the plurality of catalytic devices 100A, 100B include a tubular case 110 with an open front surface, a catalyst layer 120 housed in the case 110, and a permeable membrane 130 covering a front surface of the catalyst layer and allowing gas to pass through. Each of the plurality of catalytic devices 100A, 100B are arranged vertically or inclined with respect to the plug body 71 so that a front surface provided with the permeable membrane 130 has an angle with respect to a horizontal direction. In an up-down direction, either all or at least a part of the plurality of catalytic devices 100A, 100B is arranged at the same height.
Resumen de: EP4712305A1
A computer program product is provided according to some embodiments. The computer program product includes a non-transitory computer-readable storage medium storing a set of instructions, which, when executed by a computing device, causes the computing device to: (a) determine a discharge rate for a battery at a remote location based on a profile of the battery and a temperature value; (b) receive, at an initial time, a notification of the battery ceasing to be in communication with the computing system; (c) in response to receiving the notification, estimate an amount of time remaining until the battery self-discharges to a lower threshold state of charge (SoC); and (d) in response to elapsed time since the initial time reaching the estimated amount of time, output a signal from the computing system indicating a battery-discharge condition. A corresponding method, apparatus, and system are also provided.
Resumen de: EP4711391A1
A semi-solid battery electrolyte precursor, a semi-solid battery electrolyte, a semi-solid battery, and a preparation method of the semi-solid battery are provided. The semi-solid battery electrolyte precursor includes a first polymer monomer, a second polymer monomer, and an initiator. The first polymer monomer is an acrylic acid monomer or an acrylate monomer. The second polymer monomer is a fluorine-containing unsaturated monomer.
Resumen de: EP4712170A1
Provided are a negative electrode material and a preparation method therefor, a negative electrode plate and a preparation method therefor, an energy storage device, and an electricity-consumption device. The negative electrode material includes hard carbon. The hard carbon has a porous structure and satisfies: 0.32≤Dv50/1000V≤2.40. Dv50 of the hard carbon is in unit of µm; and V represents a total volume of pores in the hard carbon, in unit of cm<3>/g.
Resumen de: EP4712208A1
The present invention relates to recycling of used batteries, and more specifically, to a method for recovering main materials in used batteries through chemical discharge.
Resumen de: EP4712713A1
Provided is an integrally molded body that has a blocking layer for cutting off radio waves and magnetic waves. This integrally molded body comprises a fiber-reinforced resin layer containing reinforcing fibers and a first matrix resin, and a blocking layer, wherein the blocking layer contains an aggregate of metal strips and a second matrix resin, and blocks at least one of an electric field or a magnetic field, the metal strips being dispersed in the surface of the blocking layer to form the aggregate.
Resumen de: EP4712155A1
An electrode and a secondary battery are disclosed. An electrode includes a substrate, and a coating layer including a first coating layer coated on a side of the substrate in a first direction, and a second coating layer coated on another side of the substrate in a second direction, and the coating layer includes a first layer and a second layer located on the first layer and defining a step with the first layer.
Resumen de: EP4711048A1
The present disclosure relates to an apparatus and method for manufacturing an electrode plate of a secondary battery. In an embodiment a slot die that simultaneously discharges a mixture slurry and an insulating slurry. The slot die includes an insulating slurry discharge portion protruding toward a substrate more than a mixture slurry discharge portion, which enables fine adjust of a thickness of the insulation coated portion on the substrate.
Resumen de: EP4712215A1
The present invention provides a structure of a battery module including: a cell laminate including: a plurality of battery cells laminated in widthwise direction; and at least one barrier member interposed between and laminated together with the plurality of battery cells in widthwise direction; and a housing accommodating the cell laminate, wherein each of the at least one barrier member includes a metal layer and insulating layers provided at two widthwise ends of the metal layer, respectively, and a thickness of each of the insulating layers is greater than that of the metal layer.
Resumen de: EP4712238A1
Example embodiments provide a battery pack. The battery pack includes: a lower frame including a base plate and side walls; first to fourth battery cell assemblies provided on the lower frame and including a plurality of battery cells; a first cross beam interposed between the first and second battery cell assemblies, in which the first and second battery cells are spaced apart from each other in a first direction; a second cross beam interposed between the third and fourth battery cell assemblies, in which the third and fourth battery cell assemblies are spaced apart from the first and second battery cell assemblies in a second direction perpendicular to the first direction; first fixing parts coupled to the first cross beam and spaced apart from the base plate; and second fixing parts coupled to the first fixing parts.
Resumen de: EP4712181A1
A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator therebetween, a case including a bottom portion, a side wall portion connected to the bottom portion, and an opening portion facing the bottom portion, the case accommodating the electrode assembly, and a cap assembly coupled to one end of the side wall portion of the case to seal the opening portion, wherein the case includes a groove region formed on an inner peripheral surface of the side wall portion.
Resumen de: EP4712188A1
A secondary battery and a battery pack are disclosed. A secondary battery includes an electrode assembly including an electrode tab, a case in which the electrode assembly is accommodated, a connection member electrically connected to the electrode tab, a side terminal electrically connected to the connection member, a cap plate passing through the side terminal and coupled to an opening of the case, and an insulating part insulating the cap plate from the side terminal and insulating the cap plate from the electrode assembly.
Nº publicación: EP4712216A1 18/03/2026
Solicitante:
EVE POWER CO LTD [CN]
Eve Power Co., Ltd
Resumen de: EP4712216A1
A battery shell, a single battery cell, and a battery pack are provided. The battery shell includes: a battery shell body, wherein the battery shell body is provided with an opening; and a top cover body, wherein the top cover body is covered on the battery shell body at the opening, an end surface, facing the top cover body, of the battery shell body is defined as an upper end surface, and the upper end surface is divided into a first area and a second area located at an outer side of the first area towards an edge; the top cover body is assembled on the first area of the battery shell body, and a welding gap is formed between the second area of the battery shell body and an outer edge of the top cover body.
BOPI
Sede Electrónica
