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1450
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Updated on
18/07/2025 [07:37:00]
Results 800 to 825 of 1450
Absstract of: EP4583261A1
A battery housing and a battery, relating to the technical field of batteries. The battery housing comprises a shell and a cover plate. The shell comprises a side frame, and the side frame comprises a first open end. The cover plate is arranged at the first open end. One of the shell and the cover plate is provided with an annular recess, and the other one of the shell and the cover plate is matched with the recess. When the cover plate covers the first open end of the shell, the cover plate and the shell are limited by matching by means of the recess, to prevent the cover plate from moving relative to the shell during welding, so that it is more convenient to weld, and it is conducive to ensuring the dimensional accuracy of the prepared battery housing.
Absstract of: EP4583210A1
This application discloses an electrochemical device and an electronic device. The electrochemical device includes: a positive electrode plate, a negative electrode plate, a separator, and a shape-memory alloy component. The positive electrode plate includes a positive current collector and a positive active material layer. The negative electrode plate includes a negative current collector and a negative active material layer. The separator is disposed between the positive electrode plate and the negative electrode plate. The shape-memory alloy component is disposed on one side of the positive current collector and/or the negative current collector, the side being oriented toward the separator. The shape-memory alloy component is spaced apart from the positive current collector. The shape-memory alloy component includes a phase change portion and a support portion. The phase change portion includes a first end and a second end disposed opposite to each other. The first end is connected to the support portion. When a temperature of the electrochemical device is higher than a preset temperature, the second end deforms toward the separator to puncture the separator, and the support portion deforms in a reverse direction relative to the phase change portion, so that the phase change portion exerts a sufficient force to puncture the separator, thereby reducing the risk of thermal runaway of the electrochemical device.
Absstract of: EP4583227A1
A coating material for a battery member contains a polymer having an ability to preferentially conduct metal ions.
Absstract of: EP4583267A1
A secondary battery is provided, including an electrode assembly (10), a tab assembly, and a packaging pouch (40). The electrode assembly (10) is accommodated in the packaging pouch (40). The packaging pouch (40) includes a sealing portion (420), the tab assembly includes tabs (20) and insulating adhesives (30), and the tabs (20) are connected to the electrode assembly (10) and run through the sealing portion (420) to extend out of the packaging pouch (40). The insulating adhesives (30) are disposed on the tabs (20) and connect the tabs (20) and the packaging pouch (40). The insulating adhesive (30) includes a first insulating adhesive layer (31), a second insulating adhesive layer (32), and a third insulating adhesive layer (33) sequentially stacked in a first direction, the first insulating adhesive layer (31) is connected to the tab (20), and the third insulating adhesive layer (33) is connected to the packaging pouch (40). In a second direction perpendicular to the first direction, the insulating adhesive (30) includes a first part (303), where the first part (303) is a region where at which the insulating adhesive (30) overlaps the tab (20) in the first direction and is not overlap the sealing portion (420). The first part (303) includes a first end portion (303a), and the first end portion (303a) is located in the packaging pouch. In the first end portion (303a), in the first direction, a thickness of the insulating adhesive (30) is h1, a thickness of the first insulati
Absstract of: EP4583280A1
The present application relates to a cooling structure, a battery and an electrical apparatus. The cooling structure comprises a cooling body and a supporting member, a flow channel is provided inside the cooling body, the supporting member is provided in the flow channel, the supporting member comprises at least two connecting sections and a plurality of buffer sections, every two adjacent connecting sections are fixedly connected to the two opposite inner surfaces of the cooling body along the thickness direction, and the buffer section connects two adjacent connecting sections and is configured to be able to elastically deform after being stressed. In the cooling structure of the present application, the supporting member can support the cooling body in its thickness direction, and the buffer section is configured to be able to elastically deform after being stressed. In this way, when the cooling body is stressed, the buffer section can absorb part of the stress to elastically deform, and the stress on the cold plate is dispersed through the entire supporting member to avoid stress concentration and reduce the impact of the stress on the cooling structure and battery cells, making the battery less susceptible to damage and ensuring its normal use.
Absstract of: US2024097134A1
Disclosed herein is an electrode, comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a first binder material comprising a water soluble styrene butadiene rubber. Disclosed herein too is a method of manufacturing an active layer comprising mixing together a water soluble styrene butadiene rubber, a plurality of high aspect ratio carbon elements, a plurality of electrode active material particles and a solvent to form a slurry; disposing the slurry on a surface of a metal foil; and drying the slurry to form an active layer.
Absstract of: CN119816729A
Disclosed herein is a robot configured to inspect a pipe. The robot may include a housing, a sensing device coupled to the housing, a carbon neutralization power source positioned within the housing, a plurality of wheels rotatably coupled to the housing, and a computing device communicatively coupled to the sensing device and the carbon neutralization power source. The computing device may include a processing unit and a memory to store a software stack that, when executed by the processing unit, causes the computing device to: receive a signal from the sensing device, detect a condition of the pipeline based on the received signal, generate a contextual alert based on the detected condition, and transmit the contextual alert to the computing device. And transmitting the contextual alert to a user of the robot.
Absstract of: EP4583218A1
A mandrel member (100) of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate (21), a separator (22), and a second electrode plate (23), the mandrel member (100) comprising a cylindrical body having a hollow portion (120), wherein the cylindrical body includes a plurality of slits (110) crossing the cylindrical body in a hollow axis direction so that the hollow portion (120) inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
Absstract of: EP4583216A1
The present disclosure provides a battery cell, a method for manufacturing a battery cell, a battery, and an electric apparatus. The battery cell comprises: an electrode assembly, comprising: a positive electrode plate comprising a positive electrode current collector and a positive electrode active material layer at least located on the surface on one side of the positive electrode current collector; a negative electrode plate comprising a negative electrode current collector; a separator located between the positive electrode plate and the negative electrode plate; and an insulating member located at one end of the negative electrode plate and/or the positive electrode plate that is not covered by the separator.
Absstract of: EP4583201A1
This application discloses a negative electrode active material and a preparation method therefor, a negative electrode plate, a battery, and an electrical device. The negative electrode active material includes a carbon core; a porous carbon skeleton layer, having an accommodation space inside, where the carbon core is located in the accommodation space; a carbon cladding layer, where the carbon cladding layer is cladded on at least a part of an outer surface of the porous carbon skeleton layer; and a wave absorbing material and silicon-based particles, where the wave absorbing material and the silicon-based particles are respectively and independently distributed in a region in which the carbon core is located and a region in which the porous carbon skeleton layer is located.
Absstract of: EP4583259A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. For the battery cell of the present application, the volumetric energy density of the battery cell is E, the minimum thickness of the battery cell is T, and T and E meet: E≥600 Wh/L, and 6 Wh/(L·mm)≤E/T≤100 Wh/(L·mm). For the battery cell provided in the present application, the high-energy-density battery cell has a high gas production rate and heat release power when thermal runaway occurs, and therefore, the minimum thickness of the battery cell is adjusted to meet requirements of the high-energy battery cell, thereby ensuring the safety of the battery cell.
Absstract of: EP4583285A1
The present application provides a battery and an electrical apparatus. The battery comprises a box, a battery cell, and an electrical element. The box has a first accommodating cavity and a second accommodating cavity that are isolated from each other. The battery cell is accommodated within the first accommodating cavity. The electrical element is accommodated within the second accommodating cavity and electrically connected to the battery cell. The box further has an access port and an access cover, the access port communicates the second accommodating cavity with the outside of the housing, and the access cover covers the access port. With the battery provided in the embodiments of the present application, during inspection of the electrical element, since the first accommodating cavity and the second accommodating cavity are isolated from each other, the first accommodating cavity can still maintain good sealing performance, and impurities such as the outside air can hardly enter the first accommodating cavity through the access port and the second accommodating cavity, thereby no corrosion of the battery cell within the first accommodating cavity is caused, which is conductive to improving the safety performance of the battery.
Absstract of: AU2023333057A1
A method of manufacturing porous silicon particles includes providing a rotary tube furnace including a tube extending between a first opening and a second opening opposite the first opening. The method includes providing a silica precursor, a metal reducing agent, and a thermal moderator as a mixture to an interior cavity of the tube through the first opening. The method includes rotating the tube containing the mixture. The method includes performing a thermal treatment to the mixture in the tube to produce a reaction product that includes the porous silicon particles. The method further includes collecting the reaction product at the second opening, where the steps of providing the mixture, rotating the tube, performing the thermal treatment, and collecting the reaction product are performed concurrently such that the porous silicon particles are produced in a continuous manner.
Absstract of: AU2023334851A1
An optimized charge signal shaping circuit is presented such that components of the charge signal circuit arrangement may be operable with fewer components and/or processing overhead than other approaches, thereby reducing costs, using less printed circuit board (PCB) real estate, and being computationally less complicated, among other advantages. In one particular implementation, portions of a power supply circuit may be combined with portions of a charge signal shaping circuit to leverage common functions and component characteristics of the portions, including a direct current/direct current (DC/DC) converter circuit. A reduced charge circuit may take advantage of each component including similar functions and/or circuit devices to reduce the overall number of components used in the charge circuit to reduce the overall footprint, conserve charging energy lost to the redundant components, and reduce the overall cost.
Absstract of: WO2024049630A1
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a battery cell comprising a connecting/disconnecting device configured to engage aa corresponding connecting/disconnecting device on the printed circuit board assembly for providing at least one of electrical interconnection, routing, voltage sensing, or temperature sensing.
Absstract of: EP4583237A1
The present invention relates to an electrode assembly and a secondary battery including the same, and the electrode assembly according to an embodiment of the present invention may include a positive electrode and a negative electrode, and a separator disposed between the positive electrode and the negative electrode, wherein an avoidance recess part is defined in any one of the positive electrode and the negative electrode, and the avoidance recess part is defined to be recessed in an area overlapping an end of a remaining electrode of the positive electrode and the negative electrode.
Absstract of: EP4583193A1
The present invention relates to an electrode including an electrode current collector, and an electrode active material layer disposed on at least one side of the electrode current collector, wherein the electrode active material layer includes an electrode active material and a gel polymer electrolyte, and the electrode has a rigidity of 2 kPa to 4 kPa. In addition, the present invention relates to a method for manufacturing an electrode, which includes applying an electrode slurry containing an electrolyte solution onto an electrode current collector, disposing an oxygen blocking member on the applied electrode slurry, and hot rolling the electrode slurry covered with the oxygen blocking member, wherein the electrolyte solution is heat cured through the hot rolling.
Absstract of: EP4583200A1
This application provides a positive electrode material and a preparation method therefor, positive electrode slurry, a positive electrode plate and a preparation method therefor, a secondary battery and a preparation method therefor, and a power consuming apparatus. The positive electrode material includes a positive electrode active material and a cladding layer located on at least a part of a surface of the positive electrode active material. The positive electrode active material includes a material whose chemical formula is LiNi1-xMxO2, 0≤x≤0.2, M includes at least one of Co, Mn, Al, Fe, Cu, and V, and the cladding layer includes at least one of a sulfur element, a selenium element, and a tellurium element. When the positive electrode material is used to prepare a secondary battery, the cladding layer may react with a lithium impurity of the positive electrode active material, to reduce a lithium impurity content of the positive electrode active material of the secondary battery and improve cycle performance of the battery.
Absstract of: EP4583208A1
The present application provides a silicon-based negative electrode active material, the silicon-based negative electrode active material comprising a silicate phase containing an alkaline earth metal element, and the silicon-based negative electrode active material simultaneously containing the K element and the Fe element.
Absstract of: EP4582793A1
A device for inspecting a battery electrode, according to an embodiment of the present invention, can: reduce application time accompanying an initial process application and changes in a process environment by extracting an inspection target image containing an area suspected to have defects on the basis of the electrode image acquired from the camera, and setting and applying, depending on the amount of training data, different types of learning models for determining whether an electrode corresponding to the inspection target image is defective; and obtain result data with enhanced precision and high reliability by retraining the learning model on the basis of updated training data.
Absstract of: EP4582768A1
In a boundary detection device and method according to embodiments of the present invention, images of the same electrode are captured to acquire first and second electrode images having different brightness values, and on the basis of pixel coordination information of boundary of an uncoated portion, acquired from the first electrode image, final boundary of the uncoated portion are detected from the second electrode image, so that the detection accuracy of the boundary can be enhanced.
Absstract of: EP4582792A1
A data processing apparatus for visual inspection of batteries may include at least one processor; and a memory configured to store at least one instruction executed by the at least one processor.Here, the at least one instruction may include an instruction to generate a first image which visually presents a battery surface based on a captured image of an outer surface of a battery; an instruction to generate a second image in which depth information of the outer surface of the battery is visually presented by matching the first image with three-dimensional shape data about the outer surface of the battery; and an instruction to output one or more of the first image and the second image through a predefined graphical user interface (GUI).
Absstract of: EP4583264A1
A pouch-type battery case according to an embodiment of the present invention may include: a cup part having a recessed shape; and a gas pocket part disposed at one side of the cup part and having a recessed shape. A wrinkle part, which is folded or unfolded depending on an internal pressure of the gas pocket part so that a depth of the gas pocket part varies, may be formed on a circumferential portion of the gas pocket part. The wrinkle part may include: a convex portion protruding toward the outside of the gas pocket part; and a concave portion which is alternately disposed with the convex portion in a depth direction of the gas pocket part. A remaining thickness of the convex portion may be less than a remaining thickness of the concave portion.
Absstract of: EP4582932A1
A method of updating firmware of a battery pack according to the present disclosure includes transmitting battery data indicating a state of a battery cell included in the battery pack to a server, receiving an update mode entry request for firmware update from the server, receiving encrypted battery data, which is data obtained by encrypting the battery data, from the server, decrypting the encrypted battery data, comparing the decrypted battery data with the battery data stored in the battery pack, and updating firmware stored in the battery pack by using firmware received from the server, when the decrypted battery data is the same as the battery data stored in the battery pack.
Nº publicación: EP4582272A1 09/07/2025
Applicant:
ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD [CN]
GEELY HOLDING GROUP CO LTD [CN]
ZHEJIANG ZEEKR INTELLIGENT TECHNOLOGY CO., LTD,
Zhejiang Geely Holding Group Co., Ltd
Absstract of: EP4582272A1
A thermal management system (100) and a vehicle (200). The thermal management system (100) is applied to the vehicle (200). The thermal management system (100) includes a compressor (10), a liquid-cooled gas cooler (20), a coaxial tube (30), an internal gas cooler (40), an external gas cooler (50), and an evaporator (60); the coaxial tube (30) includes a high-pressure inlet (31), a high-pressure outlet (32), a low-pressure inlet (33), and a low-pressure outlet (34); the low-pressure outlet (34) is connected to an inlet of the compressor (10); an outlet of the compressor (10) is connected to a first port (21) of the liquid-cooled gas cooler (20); a second port (22) of the liquid-cooled gas cooler (20) is connected to an inlet of the external gas cooler (50) and an inlet of the internal gas cooler (40); an outlet of the external gas cooler (50) is connected to the high-pressure inlet (31); an outlet of the internal gas cooler (40) is connected to a first port of the evaporator (60) and a low-pressure inlet (33); and a second port of the evaporator (60) is connected to the high-pressure outlet (32). Thus, the thermal management system (100) is not only applicable to a carbon dioxide refrigerant system, but also applicable to r134a/r1234yf/mixed refrigerant and other refrigerant systems. Moreover, by means of the liquid-cooled gas cooler (20) and the coaxial tube (30), the heat release efficiency of a refrigerant is enhanced, and the problem that a carbon dioxide module (101) has
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