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BATTERY PACK COVER PLATE, BATTERY PACK, AND VEHICLE

Resumen de: EP4625661A1

This application discloses a battery pack cover, a battery pack, and a vehicle. The battery pack cover (100) includes: a first substrate (10), where a thickness of the first substrate (10) is a1, in mm, and a yield strength of the first substrate (10) is b1, in MPa; and a second substrate (20), where the second substrate (20) is a composite material plate, the second substrate (20) is located on a surface on a side of the first substrate (10), a thickness of the second substrate (20) is a2, in mm, and a tensile strength of the second substrate (20) is b2, in MPa, where the first substrate (10) and the second substrate (20) satisfy the following condition: 290 ≤ a1·b1 + a2·b2·c1 ≤ 1200, where c1 is a constant.

ELECTRODE DRYING DEVICE

Resumen de: EP4624846A1

An electrode drying device includes a chamber through which an electrode plate is passable, and an upper adjustment unit in the chamber and configured to adjust hot air above the electrode plate to prevent non-uniform drying of the electrode plate due to a difference in flow rate.

APPARATUS FOR INTRODUCING ACTIVE MATERIAL FOR USE IN SECONDARY BATTERY

Resumen de: EP4625504A1

Proposed is an apparatus for introducing an active material for use in a secondary battery. The apparatus includes a cutting unit positioned on an upper side of an introducing portion of a main hopper and provided for cutting a bottom portion of a packaging material in which a powder is accommodated, and includes a sealing unit provided around an outside of the cutting unit and configured to block leakage of the powder by bringing the introducing portion of the main hopper and an opening portion of the packaging material formed by cutting to be in communication with each other.

BATTERY PACK AND ELECTRICAL APPARATUS

Resumen de: EP4625657A1

Disclosed is a battery pack, including a cell contact system, CCS, assembly (1); a battery box (2), in which the CCS assembly (1) is mounted and fixed in the battery box (2); and a sealant component (3), in which the sealant component (3) is provided between the battery box (2) and the CCS assembly (1), and the sealant component (3) is extended along a peripheral direction of the CCS assembly (1) to seal an assembly clearance between the CCS assembly (1) and the battery box (2).

BATTERY PACK

Resumen de: EP4625648A1

A battery pack (100) includes a housing (10), a battery module (20), a battery management system (BMS) module (30), and an isolation plate (40) disposed between the battery module (20) and the BMS module (30). An accommodating space (101) is formed in the housing (10). The battery module (20) is disposed within the accommodating space (101). The isolation plate (40) is hermetically connected to the housing (10) to isolate the battery module (20) from the BMS module (30).

CRUSHED LITHIUM BATTERY RESOURCE RECOVERY DEVICE

Resumen de: EP4625612A1

Disclosed is a crushed lithium battery resource recovery apparatus, which includes a decompaction device, where the decompaction device includes: a housing, a first inlet being disposed at a lower portion of the housing, a first outlet being disposed at an upper portion, a discharging hopper being disposed at a bottom, and a second outlet being disposed at a bottom end of the discharging hopper; a center barrel, spirally distributed blades being disposed on periphery of the center barrel; a screen, the screen being disposed in an axial extension direction of the center barrel, a third outlet being disposed at an upper portion of the screen, and a second inlet being disposed at a lower portion; and a driving apparatus, the driving apparatus being connected with the center barrel to drive the center barrel to rotate. The center barrel and the screen are disposed in the housing. The screen is disposed between the center barrel and the housing. The discharging hopper is disposed below the center barrel and the screen and separated by a partition plate. A region between the screen and the housing communicates with the discharging hopper. The first inlet is connected with the second inlet. The first outlet is connected with the third outlet. Different from a conventional solution in which a compacted material is further crushed, in the technical solution of the present disclosure, the decompaction device is adopted to unfold the compacted material, thereby reducing the content of m

HEAT EXCHANGER PLATE AND ASSOCIATED USE AND ARRANGEMENT OF A TRACTION BATTERY ON A HEAT EXCHANGER PLATE

Resumen de: EP4624858A1

Die vorliegende Erfindung betrifft eine Wärmeübertragerplatte (1) zum Temperieren von wenigstens einem elektrischen und/oder elektronischen Bauteil mittels eines flüssigen Temperiermittels, mit einem Plattenkörper (2), der einen Zulauf (IN), einen Ablauf (OUT) und ein Kanalsystem (7) aufweist, das den Zulauf (IN) mit dem Ablauf (OUT) verbindet.Zur Homogenisierung einer Temperaturverteilung entlang des Plattenkörpers (2) wird vorgeschlagen, das Kanalsystem (7) einerseits so zu konfigurieren, dass ein durchströmbarer Querschnitt des Kanalsystems (7) in einem vom Zulauf (IN) wegführenden Eintrittsbereich (26) größer ist als in einem zum Ablauf (OUT) hinführenden Austrittsbereich (27), und andererseits so zu konfigurieren, dass ein mittlerer Strömungspfad im Kanalsystem (7) kleiner ist als ein Mindestpfad, den das Temperiermittel entlang eines Rands des Kanalsystems (7) vom Zulauf (IN) bis zum Ablauf (OUT) strömen muss.

BATTERY SYSTEM TEMPERATURE CONTROL METHOD AND APPARATUS, AND BATTERY SYSTEM

Resumen de: EP4625620A1

Embodiments of the present application provide a battery system temperature control method and apparatus, and a battery system. The battery system temperature control method includes: obtaining a cluster temperature of each of a plurality of battery clusters of the battery system; and performing temperature control on each battery cluster according to the cluster temperature of each battery cluster. Through the technical solution, the cluster temperature of each battery cluster in the battery system can represent an overall temperature condition of each battery cluster, and temperature control is performed on each battery cluster according to the cluster temperature of each battery cluster, which is beneficial for implementing inter-cluster temperature uniformity among the plurality of battery clusters in the battery system, solving a problem of non-uniform impedance and current in the battery clusters caused by inconsistent inter-cluster temperatures, reducing a situation that the battery clusters are fully charged or discharged in advance during charging, and improving energy conversion efficiency of the battery system, thus improving operation performance of the battery system in which the plurality of battery clusters are included.

COVER STRUCTURE AND BATTERY PACK

Resumen de: EP4625653A1

A cover structure (10) and a battery pack (1) employing the cover structure (10) are provided. The battery pack (1) further includes a plurality of cells (400) and a box (600). The cover structure (10) includes a substrate (100) and an exhaust portion (200). The substrate (100) is configured to cover the box (600). The substrate (100) and the box (600) together form an accommodating cavity (61) to accommodate the plurality of cells (400) and foam adhesive arranged along a plurality of adhesive injection tracks (500) preset in the accommodating cavity (61). The exhaust portion (200) is provided on a middle portion of the substrate (100). The exhaust portion (200) is provided with a plurality of exhaust holes (212). An area between two adjacent adhesive injection tracks (500) corresponds to at least one of the exhaust holes (212).

SLITTER DEVICE

Resumen de: EP4624126A1

ProblemTo provide a slitter device having a novel configuration that allows safe adjustment of a toe-in angle and can cut various sheet-like raw materials with high cut-edge quality.Solving MeansAn extension member 313 is pivotally attached to a raising/lowering body 316 of a knife holder 300 by a bolt 312. A helical gear 313A configured to mesh with a spur gear 314 is formed at a distal end portion of the extension member 313 opposite to a side where the extension member 313 is pivotally attached. The spur gear 314 is connected to an output shaft of a stepping motor 320 and is rotationally driven by the stepping motor 320. When the spur gear 314 is rotationally driven by the stepper motor 320, the extension member 313 and a knife cartridge attached thereto swing about a shaft of the bolt 312 via the helical gear 313A meshing with the spur gear 314. A rotation surface of the upper blade knife is rotated by this swinging, making it possible to change a toe-in angle.

POSITIVE ELECTRODE SHEET, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4625533A1

The present application relates to a positive electrode plate, a battery, and an electrical apparatus. The positive electrode plate comprises at least two active material layers, wherein two adjacent active material layers respectively comprise a first positive electrode active material and a second positive electrode active material; and under the same test condition, the maximum shrinkage rate of the first positive electrode active material during charging and discharging is T1, the maximum shrinkage rate of the second positive electrode active material during charging and discharging is T2, and T1 and T2 satisfy the following relationship: T1-T2≥0.3%. Compared with a single-layer positive electrode active material layer formed by directly physically mixing the first positive electrode active material and the second positive electrode active material, when T1-T2 of the first positive electrode active material and the second positive electrode active material is ≥ 0.3%, the positive electrode plate is provided to include at least two positive electrode active material layers, which can improve the deterioration of the conductive network of the active materials caused by the asynchronous changes of active materials with different shrinkage rates, thereby improving the dynamic performance of the battery.

METHOD AND SYSTEM FOR BATTERY MANAGEMENT

Resumen de: EP4624961A1

The present disclosure relates to a battery management method and relates to providing a battery management method with improved safety and user convenience. To this end, the battery management method of the present disclosure may include monitoring a lower-level battery and receiving monitoring data, estimating a damage possibility of an upper-level battery including the lower-level battery based on the received monitoring data, and changing a charge/discharge range of the upper-level battery from a first charge/discharge range to a second charge/discharge range based on the estimated damage possibility.

PROCESS FOR PREPARING SILICON-CONTAINING COMPOSITE PARTICLES

Resumen de: EP4625573A1

In a first aspect, the invention provides a process for preparing silicon-containing composite particles, the process comprising the steps of:(a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein:(i) the D₅₀ particle diameter of the porous particles is in the range from 0.5 to 200 µm;(ii) the total pore volume of micropores and mesopores as measured by gas adsorption is in the range from 0.4 to 2.2 cm³/g;(iii) the PD₅₀ pore diameter as measured by gas adsorption is no more than 30 nm;(b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of the porous particles has a volume of at least 20 cm³ per litre of reactor volume (cm³/L_RV), preferably at least 200 cm³ per litre of reactor volume (cm³/L_RV), and wherein the charge of the silicon-containing precursor comprises at least 2 g of silicon per litre of reactor volume (g/L_RV); and(c) heating the reactor to a temperature effective to cause deposition of silicon in the pores of the porous particles, thereby providing the silicon-containing composite particles.

PRESSURE RELIEF STRUCTURE FOR DOUBLE-LAYER BATTERY AND BATTERY PACK

Resumen de: EP4625652A1

Disclosed is a pressure relief structure for a double-layer battery and a battery pack, including an upper cell module (1) having a plurality of upper cell pressure relief openings (11), a lower cell module (2) having a plurality of lower cell pressure relief openings (21), a pressure relief layer (3) clamped between the upper cell module (1) and the lower cell module (2), in which a pressure relief chamber (33), in communication with the plurality of upper cell pressure relief openings (11) and the plurality of lower cell pressure relief openings (21), is formed within the pressure relief layer (3), and the plurality of upper cell pressure relief openings (11) and the plurality of lower cell pressure relief openings (21) are staggered in position.

ANODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4625548A1

According to an embodiment, an anode for a secondary battery includes: an anode current collector; and an anode mixture layer on at least one surface of the anode current collector, wherein the anode mixture layer includes an anode active material, a binder, and a thermal crosslinking additive, and a weight of the binder included in the anode mixture layer is greater than a weight of the thermal crosslinking additive included in the anode mixture layer.According to an embodiment of the disclosed technology, energy density of the anode for a secondary battery may be improved.

BATTERY PACK AND MANUFACTURING METHOD

Resumen de: EP4625647A1

Battery pack and manufacturing method are provided. Battery pack includes cells contact system (CCS) assembly and cell assembly. CCS assembly includes injection molded member, vacuum-molded member, electrical connection plate, wiring harness. Injection molded member is connected to vacuum-molded member. Part of electrical connection plate is connected to injection molded member. Electrical connection plate is connected to vacuum-molded member. Wiring harness is connected to injection molded member, and further connected to electrical connection plate. Cell assembly includes battery cells electrically connected to electrical connection plate. Structural stiffness of injection molded member is greater than vacuum-molded member. Connection between injection molded member and vacuum-molded member reduces possibility of warping and deformation. Electrical connection plate mounted on vacuum-molded member is less prone to bending and deformation, and electrical connection plate is less prone to virtual electrical connection with cell. Electrical connection between electrical connector and cell has higher degree of operational reliability.

WELDING MACHINE

Resumen de: EP4624084A1

Disclosure is a welding machine. A welding machine for welding a plurality of metal materials according to an embodiment of the present disclosure includes an anvil on which the plurality of metal materials are placed, a horn located over the anvil and including a plurality of protrusions protruding toward the anvil, and a processor configured to vibrate the horn to form a hole passing through the plurality of metal materials.

BATTERY AND ELECTRIC DEVICE HAVING SAME

Resumen de: EP4625645A1

A battery (200) and an electric apparatus (1000) having the same are provided, where the battery (200) includes at least two first battery cells (10), each first battery cell (10) is provided with multiple sidewalls (11), the multiple sidewalls (11) include a first sidewall (111), the first sidewall (111) is the sidewall with the largest area of the first battery cell, the first sidewalls (111) of at least two first battery cells (10) are arranged opposite each other in a first direction and arranged offset from each other in a second direction, the first direction and the second direction are perpendicular to each other, and the first direction are perpendicular to the first sidewall (111).

BATTERY PACK

Resumen de: EP4625616A1

A battery pack is disclosed according to the present disclosure. The battery pack includes: a housing (1), a cover (2), a cell set (3) and a bus bar (4). The housing (1) includes a receiving cavity (11) with an opening on a side of the housing (1). The cover (2) is provided over the side of the housing (1) with the opening to close the receiving cavity (11). The cell set (3) is provided in the receiving cavity (11), and electrodes of the cell set (3) face the cover. The bus bar (4) is provided between the cell set and the cover (2), and a pressure relief space (6) is reserved between the bus bar (4) and the cover (2). The receiving cavity (11) is filled with insulating cooling oil, and the electrodes of the cell set (3) and the bus bar (4) are submerged in the insulating cooling oil.

LITHIUM SECONDARY BATTERY COMPRISING HEAT-DISSIPATING CURRENT COLLECTOR

Resumen de: EP4625622A1

A lithium secondary battery includes an electrode assembly and a battery case configured to accommodate the electrode assembly. The electrode assembly includes a plurality of positive electrodes, a plurality of negative electrodes, and a plurality of separators, which are sequentially stacked, and at least one of the plurality of positive electrodes and the plurality of negative electrodes includes a heat dissipation current collector and an electrode active material layer formed on at least one surface of the heat dissipation current collector. The heat dissipation current collector includes a heat dissipation layer, a polymer layer disposed on the heat dissipation layer, and a metal layer disposed on the polymer layer, and the heat dissipation layer of the heat dissipation current collector includes a passage extending to the outside of the battery case and configured to dissipate heat inside the battery.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4625545A1

The present invention relates to a positive electrode active material which includes a lithium composite transition metal oxide in the form of single particles comprising at least two selected from nickel, cobalt, and manganese, wherein the lithium composite transition metal oxide satisfies expression 1. In expression 1, the skewness is a value calculated according to expression 2 and the mode is the value of the particle size (unit: µm) of the lithium composite transition metal oxide when the value of y is greatest in a particle size distribution curve in which the x-axis is the particle size (unit: µm) and the y-axis is the volume percentage (unit: %) of the lithium composite transition metal oxide.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4625544A1

The present invention relates to a positive electrode active material comprising a lithium composite transition metal oxide in the form of a single particle containing two or more types selected from nickel, cobalt, and manganese, wherein the lithium composite transition metal oxide has a particle size distribution that satisfies equation 1 below. In equation 1, skewness is a value calculated according to equation 2 below, and mode is a particle size value when the y value is the maximum in a particle size distribution curve where the x-axis is a particle size (unit: µm) of the lithium composite transition metal oxide and the y-axis is a volume percentage (unit: %).

MODIFIED SOLID-STATE ELECTROLYTE AND PREPARATION METHOD THEREFOR, SOLID-STATE BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4625580A1

This application relates to a modified solid electrolyte, a preparation method thereof, a solid-state battery, and an electric apparatus. Components of the modified solid electrolyte include a solid electrolyte substrate and a phase-transforming toughening agent dispersed within the solid electrolyte substrate; and in the modified solid electrolyte, the phase-transforming toughening agent is primarily dispersed at grain boundaries of the solid electrolyte, where the phase-transforming toughening agent is capable of phase transformation under the action of an external force.

CURRENT COLLECTOR SYSTEM AND LIQUID COOLING SYSTEM

Resumen de: EP4625625A1

The present disclosure relates to a current collector system and a liquid colling system, including at least two current collectors. Each of the current collectors includes a current collector housing (1), provided with a liquid cavity (11) for liquid circulation, a side of the liquid cavity (11) being provided with an open current collector connection port (12); a current collector primary flow channel (2), penetrating through the current collector housing (1), in which the current collector primary flow channel (2) of each of the at least two current collectors is connected in series with each other; and a flow hole (3), provided between the liquid cavity (11) and the current collector primary flow channel (2) to allow the current collector primary flow channel (2) to be in communication with the liquid cavity (11). A diameter of the flow hole (3) of each of the at least two current collectors is not equal.

TESTING MACHINE

Nº publicación: EP4624894A1 01/10/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd

Resumen de: EP4624894A1

A testing machine is disclosed. The testing machine according to an embodiment of the present disclosure is a testing machine for testing a test case of a battery module including a test frame having an open front surface and an end plate coupled to the front surface of the test frame, and includes a first pressing module that is coupled to a first side plate of the test frame; and a second pressing module that is coupled to a second side plate of the test frame opposite the first side plate.