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1468
results.
Updated on
02/04/2026 [07:26:00]
Results 1375 to 1400 of 1468
Absstract of: EP4712151A1
Embodiments of the present disclosure provide a coating apparatus. The coating apparatus includes a first material supply unit configured to coat a first mixture layer on a first surface of a substrate, the substrate having markers repeatedly formed along a machine direction, a first sensor configured to sense the first mixture layer and the markers, and a processor configured to determine a position of the first mixture layer based on the markers.
Absstract of: EP4712148A1
A method for manufacturing an electrode according to an embodiment of the present invention may include applying a first coating layer comprising an active material to at least one surface of a current collector comprising a metal material, applying a plurality of second coating layer comprising the active material to at least one surface of the first coating layer, and rolling the current collector, the first coating layer, and the second coating layer by a rolling device.
Absstract of: EP4712241A1
A battery assembly includes a cell block including a plurality of battery cells, and a frame covering at least one surface of the cell block. The frame includes a plurality of venting holes that exhausts gas, and each of the plurality of venting holes has a width of about 0.01 mm or more and less than 0.61 m.
Absstract of: EP4712212A1
A battery cell stack according to various embodiments comprises: a plurality of battery cells; one or more cooling devices in contact with at least one of the plurality of battery cells; and a case accommodating the plurality of battery cells and the one or more cooling devices, wherein each of the one or more cooling devices includes a refrigerant flow path therein, is configured to cool at least one of the battery cells by flowing a refrigerant through the refrigerant flow path, and may include a first surface and a second surface having different thermal conductivities. Various other embodiments are possible.
Absstract of: EP4712194A1
A manufacturing method and apparatus for an all-solid-state battery are disclosed, which allow for isostatic pressing without causing cell distortion, thereby preventing cracks in the electrode and electrolyte layers. The manufacturing method for the aforementioned all-solid-state battery includes the steps of: (a) arranging a lower jig with an opening formed in its center portion; (b) accommodating the cup part of a pouch cell downward into the opening of the aforementioned lower jig, and placing the sealing part located on the outer periphery of the aforementioned cup part on the upper surface of the aforementioned lower jig, thereby fixing the aforementioned pouch cell; (c) fixing an upper jig with an opening formed in its center portion on top of the aforementioned lower jig so that the openings overlap and the sealing part of the pouch cell is compressed; and (d) isostatically pressing the aforementioned pouch cell while the pouch cell is seated in the upper jig and lower jig.
Absstract of: EP4712179A1
A manufacturing method of a battery module including a step of attaching an adhesive to a battery cell includes a tape supply step in which a laminated tape having a release paper placed on one side and a sheet-like adhesive placed on the other side is continuously supplied to pass through a roller, and is supplied so that the release paper contacts the roller; an adhesive step in which a gripper gripping the battery cell glides over the roller so that the adhesive comes into contact with one surface of the battery cell, and thus the adhesive is separated from the release paper and adhered to the battery cell; and a cutting step in which the adhesive is cut by the ascent of the gripper, wherein the adhesive has a concave portion with a concave shape formed on the contact surface with the release paper so that the thickness is reduced compared to other places.
Absstract of: EP4711695A1
The present disclosure relates to an electrode drying device including a housing, an electrode transport device configured to transport an electrode through the housing unit in a first direction. An air supply is provided with the housing unit to supply air into the housing unit. A light is disposed between the electrode and the air supply device.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4712161A1
The present disclosure provides a carbon-coated fast-ionic conductor-modified positive electrode material and a preparation method therefor. The positive electrode material has a chemical general formula of LiaNixCoyMnzO2·cA·dB, where 1.00 ≤ a ≤ 1.20, 0.00 < c ≤ 0.01, 0.00 < d ≤ 0.02, 0.00 ≤ x < 1.00, 0.00 ≤ y < 0.2, 0.00 ≤ z < 0.4, and x + y + z = 1; A is a first coating material, and B is a second coating material; and the first coating material A is a carbon-coated fast-ionic conductor, and the second coating material B is a carbon escape-prevention compound. According to the present disclosure, a fast-ionic conductor modified through carbon coating is used to modify a positive electrode material, such that the ionic conductivity and the electronic conductivity of the positive electrode material are synchronously improved. In addition, the surface of the carbon-coated fast-ionic conductor is coated with boric acid due to the glassy property, such that the escape of carbon in the carbon-coated fast-ionic conductor is effectively prevented. Therefore, the present disclosure synchronously improves the ionic conductivity and the electronic conductivity of the positive electrode material, and also improves the safety of the battery.
Absstract of: EP4712223A1
A battery of the present disclosure includes: an electrode body including a solid electrolyte; a case housing the electrode body; and a resin body provided in gaps between the case and end surfaces of the electrode body. The resin body includes a first layer laminated on the end surfaces of the electrode body and a second layer laminated on the first layer. A resin component of the first layer is a resin having a hydroxy group that is less than 100 ppm. The second layer is a layer that electrically insulates the electrode body and the case.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4712147A1
Example embodiments of the present technology provide a roll map generating method. The roll map generating method includes collecting first data, which represents a first event of an electrode sheet where a roll-to-roll process is performed, in a first memory region, and copying the first data to a second memory region.
Absstract of: EP4712297A1
An energy storage battery and a control method thereof. The energy storage battery includes battery groups connected in parallel, and each battery group includes batteries connected in series. Each battery includes a charge and discharge circuit, including a storage battery, a first switch, and a second switch, and the first switch and the second switch are used to control conduction of a connection line between two batteries. The batteries are connected in series to form the battery groups, and the battery groups are connected in parallel to form the energy storage battery, such that when the energy storage battery operates, each battery independently controls the on-off of its first switch and second switch to control the conduction of connection lines between the battery and other batteries, thereby allowing each battery of the energy storage battery to be freely extended. When a certain battery has a fault, it is merely required to control the battery group including the battery and to disconnect and repair the faulty battery, thus improving the overall operation efficiency of the energy storage battery.
Absstract of: EP4712173A1
Provided is a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least any one of copper, copper oxide, or a combination thereof, wherein the metal layer includes a first metal layer disposed on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer disposed on the first metal layer and including a second copper, and the adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Absstract of: EP4712296A1
The present invention relates to a cell balancing method and a battery system employing same. The battery system of the present invention comprises: a battery including a plurality of battery cells; a monitoring unit for performing a first low-power mode and a second low-power mode, wherein, in the first low-power mode, wakeup is executed every short term period and cell balancing is performed on each of the plurality of battery cells on the basis of a predetermined first cell balancing execution condition, and in the second low-power mode, if a period extension condition is satisfied, wakeup is executed every long term period that is longer than the short term period by a predetermined period, and cell balancing is performed on each of the plurality of battery cells on the basis of a second cell balancing execution condition; and a control unit for, if a low-power mode entry condition is satisfied, indicating the monitoring unit to enter the first low-power mode, and then entering a sleep mode in which a preconfigured operation is not performed.
Absstract of: EP4712192A1
The present invention provides a nonaqueous electrolyte solution which, when used in a nonaqueous electrolyte secondary battery containing Si and/or silicon oxide as a negative electrode active material, can exhibit at least one of improvement of a capacity retention rate after cycles and reduction of the amount of generated gas during high temperature storage in the nonaqueous electrolyte secondary battery. A nonaqueous electrolyte solution contains (I) a nonaqueous organic solvent; (II) a solute that is an ionic salt; and (III) a compound represented by formula (1) or a compound represented by formula (3). (3): PO(OR4)y(OR5)3-y. In formula (1), for example, each R1 is independently a hydrogen atom, a halogen atom, a linear alkyl group having 1-12 carbon atoms or a branched alkyl group having 3-12 carbon atoms. In formula (3), each R4 independently represents an alkenyl group or an alkynyl group; R5 represents an alkyl group or an aryl group; and y is an integer of 2-3.
Absstract of: EP4712200A1
A battery and an electronic device are provided. The battery includes a cell and a protection board assembly, where a head of the cell has a top seal, and an electrode tab of the cell extend from the top seal. The protection board assembly includes an FPC and a first protection component, where the first protection component is a protection component whose size in a thickness direction of the battery is greater than a preset threshold. The FPC includes a first part and a second part, where the first part of the FPC is configured to be disposed on the top seal of the cell in a stacked manner, and the second part of the FPC extends from the first part to a direction away from the top seal. An electrical signal loop between the cell and a mainboard is formed through connection via the FPC. The first protection component is disposed on the second part of the FPC. In this way, the first protection component whose height size is greater than the preset threshold is removed from a position of the top seal, and is disposed away from a stacking area above the top seal, so that space occupied by the protection component at the position of the top seal can be reduced, volumetric energy density of the battery can be effectively improved, and trending design requirements for lightness and thinness of a product are met.
Absstract of: 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.
Absstract of: WO2025051918A1
The present application discloses a method for preparing an iron- phosphate comprising material comprising reacting the iron source lepidocrocite (y-FeOOH) with a phosphorus source, resulting in the formation of an iron phosphate-comprising material.
Nº publicación: EP4711786A1 18/03/2026
Applicant:
TWAICE TECH GMBH [DE]
TWAICE Technologies GmbH
Absstract of: EP4711786A1
The present disclosure relates to techniques for determining multiple parameterized values of an equivalent circuit model (ECM) that represents a Lithium-ion battery cell, enabling accurate simulation of various electrochemical processes occurring within the cell. A half-cell ECM is considered. The ECM can parameterized optimized by considering one or more constraints related to the electric potential of the negative electrode, breaking symmetry between parameter values associated with positive and negative electrodes. This results in improved accuracy of the ECM for simulating Lithium plating onset thresholds at different SOC values, enabling determination of optimized charging profiles or load constraints that avoid increased aging of the battery.
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