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1357
results.
Updated on
04/05/2026 [07:57:00]
Results 575 to 600 of 1357
Absstract of: EP4734180A1
0001 The present invention relates to a positive electrode active material, which is a bimodal positive electrode active material including a first Li-rich layered manganese-based oxide in a single particle form; and a second Li-rich layered manganese-based oxide in a secondary particle form, wherein the first Li-rich layered manganese-based oxide and the second Li-rich layered manganese-based oxide contain Li<2>MnO<3> phase and LiMO<2>(where, M is an element containing one or more selected from Ni, Co, and Mn) phase at the same time, the first Li-rich layered manganese-based oxide has a smaller average particle diameter (D<50>) than that of the second Li-rich layered manganese-based oxide, and a weight ratio of the first Li-rich layered manganese-based oxide and the second Li-rich layered manganese-based oxide is 1:1.5 to 8, and the present invention relates to a positive electrode and a lithium secondary battery including the same.
Absstract of: EP4733924A1
A method for replicating battery management system (BMS) data between battery management devices according to an embodiment of the present invention comprises the steps of: receiving, by a first battery management device, a BMS data replication trigger signal and transmitting a replication preparation command to a second battery management device; reading BMS data stored in all addresses of a non-volatile memory of the first battery management device; and transmitting the BMS data stored in the non-volatile memory of the first battery management device to the second battery management device.
Absstract of: EP4734167A1
0001 The present invention relates to an anode assembly, a manufacturing method therefor, and an all-solid-state battery comprising same, the anode assembly comprising a first layer that includes LiX, a second first layer that includes amorphous carbon, and an anode current collector, wherein X is a halogen element. According to the present invention, the anode assembly having excellent charge and discharge efficiency and capacity retention rate, the manufacturing method therefor, and the all-solid-state battery comprising same can be provided.
Absstract of: EP4734234A1
Disclosed herein relates to a battery device including: a base structure; a plurality of cell assemblies mounted on the base structure, each comprising a plurality of battery cells; and a top cover including a pair of outer walls coupled to the base structure and spaced apart from each other in a first direction and an upper plate covering the plurality of cell assemblies and having an upper cooling channel.
Absstract of: EP4734233A1
The technical idea of the present disclosure provides a battery pack. The battery pack includes: a base plate including a lower cooling channel; a cell assembly disposed on the base plate, and including a plurality of battery cells; a top plate disposed on the cell assembly, and having an upper cooling channel; a front end frame coupled to the top plate, and having a first side cooling channel communicating with the upper cooling channel; a rear end frame extending from the base plate to the top plate, and having a second side cooling channel communicating with the upper cooling channel and the lower cooling channel; an inlet pipe coupled to the front end frame, having an inlet channel communicating with the first side cooling channel and configured to deliver externally provided cooling fluid to the first side cooling channel; and an outlet pipe coupled to the base plate, and having an outlet channel communicating with the lower cooling channel.
Absstract of: EP4733253A1
A hard carbon material has a flake-like structure, where a length of the flake-like structure is denoted as L, and a width of the flake-like structure is denoted as D1, where L satisfies: 2 µm ≤ L ≤ 16 µm; and D1 satisfies: 0.1 µm ≤ D1 ≤ 3 µm. The hard carbon material can have good contact between particles thereof, better processing performance, and a higher gram capacity, thereby further increasing the compacted density of the battery electrode plate, reducing electrode plate resistance, and improving the energy density of the secondary battery while improving the rate performance, and cycling performance of the secondary battery.
Absstract of: EP4734223A1
0001 A battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked in one direction; and a temperature sensing unit disposed in the battery cell stack, wherein the temperature sensing unit comprises: a thermally conductive member having at least a portion in contact with the battery cells; and a temperature sensor coupled to the thermally conductive member to measure the temperature of the battery cells.
Absstract of: EP4733061A1
The present specification discloses a composite material and a use thereof. The present specification discloses a composite material comprising a plastic plate and a metal plate which are bonded to each other while exhibiting excellent bonding force, wherein an internal space may be formed at the joint interface between the plastic plate and the metal plate, and in the internal space, excellent airtightness is ensured together with the excellent bonding force. The present specification also discloses a composite material exhibiting excellent bonding force and excellent airtightness while having a large area. The present specification also discloses a use of the composite material.
Absstract of: EP4734181A1
0001 The present invention relates to a positive electrode active material, a method for manufacturing same, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium-rich manganese-based oxide which comprises a Li<2>MnO<3> phase and a LiMO<2> phase (where M is an element comprising at least one selected from Ni, Co, and Mn), wherein the lithium-rich manganese-based oxide is in the form of a single particle and has a single crystallinity (χ) of between 0.51 and 0.70 according to formula 1 described in the present specification.
Absstract of: EP4734262A1
0001 Disclosed is a battery module. The battery module includes a frame having a space therein and configured to extend along a front and rear direction and have a top plate; a battery array positioned inside the frame and including a plurality of battery cells stacked along a right and left direction; and an elastic partition compressed between the battery array and the top plate and configured to extend along the front and rear direction.
Absstract of: EP4734263A1
0001 The present invention provides a battery device comprising: a housing including a base frame and a top frame; a plurality of battery cells disposed on the base frame; a top pad covering the plurality of battery cells and in contact with the plurality of battery cells; and a flame blocking cover attached to the top pad and spaced apart from the top frame with a venting space therebetween.
Absstract of: EP4732962A1
0001 A slot die coater of the present disclosure has a slot for discharging a coating solution in the opposite direction of gravity onto a surface of a substrate that is continuously driven and transferred by a coating roll, and the slot die coater includes a first die block; and a second die block forming the slot between the first die block and the second die block, wherein a center of rotation axis of the coating roll is positioned toward the second die block rather than an upper part of a first die lip forming a tip of the first die block with respect to the substrate.
Absstract of: EP4734159A1
Example embodiments provide a secondary battery manufacturing system. The system includes a positive electrode cutter configured to cut a positive electrode sheet wound from a positive electrode roll to provide a plurality of positive electrodes, a negative electrode cutter configured to cut a negative electrode sheet wound from a negative electrode roll to provide a plurality of negative electrodes, an electrode identifier (ID) reader configured to sense an electrode ID of a negative electrode tab of each of the plurality of negative electrodes to generate an electrode ID sensing signal, and a controller configured to collect coordinate-related electrode ID data based on a first input amount of the positive electrode sheet, a second input amount of the negative electrode sheet, and the electrode ID sensing signal.
Absstract of: WO2025019110A2
In some aspects, the present disclosure provides a rechargeable energy source system. The rechargeable energy source system can comprise a negative electrode comprising a layer of lithium metal having a density of at least about 0.4 g/cm3 and an impurity level of less than about 50 ppm by mass. The rechargeable energy source system can comprise a positive electrode that is synthesized to be substantially free of lithium. The positive electrode can have a capacity of at least 250 mAh/g and a gravimetric energy density of at least 800 Wh/kg.
Absstract of: EP4734252A2
A battery pack according to an embodiment of the present disclosure includes battery modules including a plurality of battery cells; and a pack frame for housing the battery modules. Within the pack frame, the battery modules are arranged in a multiple row and single layer structure, and at least two of the battery modules are arranged in a row along the first direction to form battery module groups. A partition wall member is located between any one battery module group and another battery module group, and the partition wall member extends along the first direction.
Absstract of: EP4734271A1
The present invention discloses an electrode assembly, a battery cell, and a battery cell cutting device, and a battery pack and vehicle including the battery cell. The present invention provides an electrode assembly (110) including an electrode cell body portion (111) in which a separator (13) is stacked between a first electrode sheet (11) and a second electrode sheet (12) in the form of a sheet, the first electrode sheet (11), the second electrode sheet (12), and the separator (13) are wound in a jelly-roll type, and an uncoated portion (15), on which an active material layer is not coated, is formed in an end portion of each of the first electrode sheet (11) and the second electrode sheet (12) in a width direction, a plurality of cut surface portions (115) formed by cutting out a portion of the uncoated portion (15) along a circumferential direction around a core portion (112) of the electrode cell body portion (111), and a plurality of forming portions (117) that are disposed between the cut surface portions (115) and formed by pressing and laying down uncut portions (117a) of the uncoated portion (15).
Absstract of: EP4733128A1
0001 This application provides a locking mechanism, a battery assembly, an electric device, and a locking apparatus, and pertains to the field of battery swapping technology. The locking mechanism includes a sleeve, a locking piece, an adjustment piece, and a fastening assembly. The locking piece is movably provided in the sleeve, the locking piece has a locked state and an unlocked state, and the locking piece is configured to snap into a lock base in the locked state and snap out of the lock base in the unlocked state, enabling the locking mechanism to engage with or disengage from the lock base along a first direction. The adjustment piece is rotatably connected within the sleeve rotatably about an axis extending along the first direction, where the adjustment piece is threadedly connected to the locking piece, and the adjustment piece is configured to drive, when rotating relative to the sleeve, the locking piece to move relative to the sleeve, so that the locking piece switches between the locked state and the unlocked state. The fastening assembly is configured to prevent the locking piece from moving relative to the adjustment piece in a direction from the adjustment piece toward the lock base along the first direction when the locking piece is in the locked state.
Absstract of: EP4733361A1
Carbon black in which an oil absorption amount is 150 mL/100 g or more and 400 mL/100 g or less and a nickel content that is measured by induced coupled plasma-mass spectrometry is 50 ppb or less.
Absstract of: WO2024260822A1
The invention relates to a method for producing electrodes (40) for battery cells, in which method an electrode paste (22, 32) is first applied as a coating onto a metal foil (20). The coating is subsequently dried in a drier (42; 142), it being possible to change the drying conditions prevailing in the drier (42; 142). According to the invention, for the purpose of inline process monitoring, at least one property of the coating is measured contactlessly by a measuring device (48a, 48b). The measuring device may comprise, for example, one or more chromatic-confocal distance sensors or laser photometry sensors. If the values measured by the measuring device lie outside a target value range, the temperature or another process condition in the dryer (42; 142) is changed. The measuring device can be used to detect transitions between the phases of the drying process, so that, for example, the drying rate can be specifically adapted to the progress of the drying process.
Absstract of: WO2024261109A1
A protective device for an energy store comprises a protective container accommodating the energy store, at least one connection line for a coolant leading into the protective container, and at least one offgas channel leading out from the protective container. The protective device can be used to permanently extinguish a fire in the energy store in the event of a fault without endangering the surroundings.
Absstract of: EP4734222A1
Provided are a method and an apparatus for activating battery capacity, an electronic device, and a storage medium. By charging the battery to a smaller cutoff current, discharging it to a higher SOC, and performing charge/discharge cycling during a constant voltage charging phase, the method establishes a lithium ion path in the battery, activates lithium intercalation sites in the negative electrode, and activates some inert lithium ions in the positive electrode during a charging and discharging process, eliminating battery capacity ramp-up, and increasing the battery capacity.
Absstract of: EP4734166A1
An electrode for secondary battery according to an embodiment of the present disclosure includes an electrode current collector; and an electrode layer located on the electrode current collector, wherein the electrode layer comprises an electrode composition in which an active material, a conductive material, and a binder are dry-mixed, wherein the binder comprises a first binder and a second binder, with the first binder and the second binder being different from each other, and wherein the second binder is attached to the surface of the first binder.
Absstract of: EP4734251A2
Disclosed is a battery container that is easy to optimize size and weight. The battery container includes a container housing having a plurality of unit housings to form an empty space therein; a plurality of battery modules accommodated in the inner space of the container housing and stacked in an upper and lower direction to form a module stack, so that a plurality of module stacks are arranged in a horizontal direction; and a support member configured to accommodate the plurality of battery modules while supporting at least two unit housings therebetween.
Absstract of: EP4734256A2
0001 Disclosed is a battery rack, which includes a plurality of battery modules, each having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a fire proof unit mounted to be spaced apart from each other by a predetermined distance along a vertical direction of the rack case and configured to support the battery modules and prevent flame and heat from propagating to adjacent battery modules when a fire occurs in at least one of the plurality of battery modules.
Nº publicación: EP4733123A1 29/04/2026
Applicant:
SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD [CN]
Sunwoda Mobility Energy Technology Co., Ltd.
Absstract of: EP4733123A1
An embodiment of the present application provides a battery charging method, an electronic device, and an electric device. The charging method provided by the present application performs alternate charge and discharge cycles with high and low currents during the fast-charging-cycle process, which can eliminate polarization caused by high-current fast charging with only a slight increase in charging duration, improve interface lithium plating, prevent abnormal battery cell voltage plunging phenomena, and balance regional SOC differences at the interface caused by fast charging. Furthermore, low-current charging can reduce temperature rise differences within the battery cell, reduce regional overcharging and over-discharging phenomena, improve lithium plating, and also enhance the usable life of the battery, solving the problem that the existing charging method cannot improve lithium plating on the negative electrode of lithium batteries while ensuring fast charging performance.
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