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1357
results.
Updated on
04/05/2026 [07:57:00]
Results 500 to 525 of 1357
Absstract of: EP4732956A1
0001 An electrode tab scrap collection device related to one example of the present invention is a device for collecting scraps generated in a process of manufacturing electrode tabs, which comprises a negative pressure pump arranged to suck by generating a negative pressure, a separation part including a connection port connected to the negative pressure pump, an inflow port arranged so that the scraps are introduced from the outside, and a discharge port arranged so that the separated scraps are discharged, a suction pipe inserted into the connection port and arranged to be connected to the negative pressure pump for a fluid to be movable, an inlet pipe in communication with the inflow port, and a connecting hose inserted and connected into the inlet pipe and arranged with a passage through which external scraps are movable.
Absstract of: EP4734157A1
Example embodiments of the present technology provide a roll map generating method. The roll map generating method includes collecting coordinate data of an electrode sheet and measurement data of the electrode sheet, and generating compressed measurement data based on the measurement data, in which the measurement data is collected by scanning sections of the electrode sheet.
Absstract of: EP4733129A1
0001 Battery selection methods for battery exchange are provided. Batteries (112) in a battery energy station (100) are sorted in response to a battery exchange request according to SOC of each battery (112) to form candidate batteries (112). A plurality of first candidate batteries (112) having the second highest SOC are selected and provided. If the first candidate batteries (112) do not exist, a second candidate battery (112) with the highest SOC and a third candidate battery (112) with the second highest SOC are selected and provided when the difference in SOC therebetween is less than or equal to a first predetermined threshold value. When the difference in SOC is not less than or equal to the first predetermined threshold value, the second candidate battery (112) is excluded from the candidate batteries (112), and the first selection operation is re-performed.
Absstract of: EP4734213A1
0001 The present disclosure relates to an electrolyte for use in a lithium-sulfur battery, including a non-aqueous solvent, a first lithium salt, a second lithium salt, an inorganic nitrate and an organic nitrate, wherein the non-aqueous solvent includes an acyclic ether and a conjugated heterocyclic compound, to improve Coulombic efficiency and life of the lithium-sulfur battery.
Absstract of: EP4734266A1
0001 The present invention relates to an electrode tab guide device, and more specifically, relates to an electrode tab guide device capable of effectively measuring and managing a gap of a tab guide to prevent disconnection of an electrode tab. 0002 According to one example of the present invention, an electrode tab guide device pressurizing and gathering multiple electrode tabs, which are spaced apart from each other vertically and protruded from an electrode assembly, may be provided, wherein the electrode tab guide device comprises: an upper guide descending toward the electrode tabs from an upper portion to pressurize the electrode tabs; a lower guide ascending toward the electrode tabs from a lower portion to pressurize the electrode tabs while having a tab guide gap between the low er guide and the upper guide; a detection member moving in conjunction with the lower guide; and a sensor positioned above the upper guide and sensing a distance from the detection member to determine whether the tab guide gap is appropriate.
Absstract of: EP4734253A1
The technical idea of the present invention provides an apparatus comprising: a battery pack; and a mounting frame provided on the outside of the battery pack, wherein the battery pack includes: a pack frame mounted on the mounting frame; a cell assembly, which is provided in the inner space of the pack frame and which includes a battery cell; and a first buffer pad which is attached to the outer surface of the pack frame so as to be in contact with the mounting frame, and which includes a thermally expandable material.
Absstract of: EP4734178A1
A positive electrode active material includes a first positive electrode active material including a first lithium nickel-cobalt-based composite oxide doped with at least one of B, W, Y, and Mo, the first positive electrode active material being in a form of secondary particles that are formed by agglomerating a plurality of primary particles are agglomerated, with at least a portion of the primary particles having a radial arrangement structure. The positive electrode active material also includes a second positive electrode active material including a second lithium nickel-cobalt-based composite oxide doped with at least one of Zr, Sr, Ce, and Ta, with the second positive electrode active material being in a form of single particles.
Absstract of: EP4733267A1
The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same. More specifically, the present invention relates to a positive electrode active material comprising a lithium transition metal oxide in the form of a single particle composed of one unit particle and/or a quasi-single particle formed by agglomeration of 30 or less unit particles, wherein the positive electrode active material reduces intergranular cracks and intragranular cracks present therein, thereby enabling a lithium secondary battery comprising the positive electrode active material to exhibit long-term stable electrochemical characteristics.
Absstract of: EP4733695A1
0001 An electrode drying apparatus, electrode manufacturing equipment, and an electrode drying method are described. The electrode drying apparatus includes a dryer configured to form a dried active material layer by applying thermal energy to dry a fluid active material layer of an electrode active material slurry coated on a substrate moving in a first direction. The apparatus also includes a densitometer configured to measure a density of the fluid active material layer and the dried active material layer, and a controller configured to control the dryer such that a magnitude of the thermal energy is adjusted based on a density variation that is a difference between a density of the fluid active material layer and a density of the dried active material layer as measured by the densitometer.
Absstract of: EP4733783A1
The disclosure relates to methods and systems for gauging a state of charge of a battery (200) in a chargeable device. An example method of gauging a state of charge of a battery (200) in a chargeable device comprises: measuring a current (IDSG, ICHG, ISPM) at a charge control transistor (102); measuring a voltage (Vbat_sense) of a battery (200); providing the measured current (IDSG, ICHG, ISPM) at the charge control transistor (102) and the voltage (Vbat_sense) of the battery (200) to a processor (300); determining, using the processor (300), the state of charge of the battery (200).
Absstract of: EP4734255A1
0001 A secondary battery includes: an electrode assembly; and a case (100) accommodating the electrode assembly, and including: a body (110) accommodating the electrode assembly; a fixing bar (120) extending from one side of the body, and having a coupling hole (102) penetrating therethrough for fastening with a coupling substrate (200); and a first coupling portion (130) on an opposite side of the body to be connected to a second coupling portion (230) of the coupling substrate (200).
Absstract of: EP4734264A1
A secondary battery, including a case having an opening, an electrode assembly accommodated inside the case, and a cap assembly, including a cap plate closing the opening, a terminal coupled to the cap plate, a gasket supporting the terminal, the gasket connected to the cap plate and including an insulating material, and an insulating member including an insulating material, the insulating member being between the cap plate and the electrode assembly inside the case, the insulating member being coupled to the gasket.
Absstract of: EP4734238A1
0001 A battery including an external cladding that includes a bottom wall having a rectangular flat plate shape and a pair of main body walls respectively integrally provided upright from long edges of the bottom wall, and includes jutting-out portions that jut out in directions approaching each other from end portions of the pair of main body walls on the opposite side to the bottom wall, an electrode assembly housed in the external cladding, and a lid that is formed in a protrusion shape including a narrow width portion and a wide width portion when viewed in cross-section from a direction along the long edges of the bottom wall, such that the narrow width portion is clamped by the jutting-out portions.
Absstract of: EP4734218A1
A battery cell includes a can, an electrode assembly disposed within the can, and including a first electrode plate and a second electrode plate, a terminal portion mounted on the can, a first current collector plate connected to the terminal portion and the first electrode plate, and a second current collector plate connected to the can and the second electrode plate. The first electrode plate includes a first uncoated portion bonded to the first current collector plate. The second electrode plate includes a second uncoated portion bonded to the second current collector plate. The first uncoated portion is surrounded by the second uncoated portion.
Absstract of: EP4734237A1
A secondary battery (100) and a battery pack (1) including the same are disclosed. A secondary battery (100) includes a case (101) including an opening (160), an electrode assembly (200) accommodated in the case (101), an electrode tab (301, 302, 310, 320) connected to the electrode assembly (200), a cap plate (501) closing the opening (160), a terminal (530, 540) coupled to the cap plate (501), and a current collecting member (400A, 400B, 400C, 400D) including a plate portion (401) coupled to the electrode tab (301, 302, 310, 320) and configured to allow a current flow therebetween, a terminal coupling part protruding from the plate portion (401) to be coupled to the terminal (530, 540) and configured to allow a current flow therebetween, and a heat capacity increasing part protruding from the plate portion (401) without contacting a portion of the cap plate (501) and the terminal (530, 540).
Absstract of: EP4734190A1
0001 A current collector, an electrode including the current collector, and a rechargeable lithium battery are provided. The current collector includes: a first metal layer; a second metal layer; and a piezoelectric layer arranged between the first metal layer and the second metal layer and including a piezoelectric material.
Absstract of: EP4734162A1
Disclosed are negative electrodes for all-solid-state batteries, methods of preparing coating slurry, and all-solid-state batteries. The negative electrode includes a negative electrode current collector and a coating layer on the negative electrode current collector. The coating layer includes a carbon-based material and a metal particle. The metal particle includes a lithiophilic metal. An average particle diameter of the metal particle is in a range of ≥ 10 nm to ≤ 200 nm. A standard deviation of a particle diameter of the metal particle is equal to or less than 50% of the average particle diameter.
Absstract of: EP4734200A1
Battery cell (10) comprises an electrode assembly (100) wound around a winding axis so that a winding center hole (H) is formed at a center of the electrode assembly, a battery housing (200) configured to accommodate the electrode assembly through an open end formed at one side, a cover (300) configured to cover the open end and having an injection hole (H1) formed at a center of the cover, and a plug configured to be inserted into the injection hole and seal the injection hole. A size (R1) of the injection hole is smaller than a size (R2) of the winding center hole.
Absstract of: EP4734220A1
0001 The present disclosure relates a battery pack and a vehicle, and relates to the technical field of batteries. The battery pack includes a box (110), a cell module (120), a high-voltage distribution box (160), a battery management system (150), a cells contact system (130), and a total positive and total negative module (140). The cell module (120) is installed in the box (110). The cells contact system (130) includes a high-voltage passage (131) and a low-voltage passage (132), and each cell module (120) is electrically connected to the high-voltage passage (131) and the low-voltage passage (132). The high-voltage passage (131) is electrically connected to the high-voltage distribution box (160) through the total positive and total negative module (140), and the low-voltage passage (132) is electrically connected to the high-voltage distribution box (160) through the battery management system (150).
Absstract of: EP4734201A1
0001 A cover (300) is configured to cover an open end of a battery housing of the battery cell (10) for accommodating an electrode assembly (100) in the battery housing (200). The cover has an injection hole (H1) to be sealed by a plug (400). The cover comprises a flat portion (310) surrounding the injection hole, an edge portion (320) formed at an edge of the cover so as to be coupled to the battery housing, and a plurality of electrode coupling portions (330) configured to be coupled to the electrode assembly of the battery cell. The electrode coupling portions are arranged between the flat portion and the edge portion and are spaced apart from each other. The electrode coupling portions are respectively formed as a depression that is recessed from the flat portion for the flat portion to be spaced apart from the electrode assembly when the electrode coupling portions are coupled to the electrode assembly.
Absstract of: EP4734230A1
0001 A secondary battery (1), including a case (100), an electrode assembly (200) accommodated in the case (100), a cap assembly (300) facing the electrode assembly (200), and a cooling unit (400) in the cap assembly (300), the cooling unit (400) including a refrigerant.
Absstract of: EP4734134A1
0001 Provided is an electrode assembly for a nuclear battery, which is a jelly roll type electrode assembly wound around a central axis in one direction. The electrode assembly (10) comprises: 0002 - a first electrode (111), a second electrode (112), an energy conversion layer (130) provided between the first electrode (111) and the second electrode (112), and 0003 - a radioactive source (120) provided in a space between the first electrode (111) and the energy conversion layer (130), and/or 0004 - a space between the second electrode (112) and the energy conversion layer (130), wherein 0005 - the electrode assembly (10) is a jelly roll type electrode assembly in which the first electrode (111), the second electrode (112), the energy conversion layer (130) and the radioactive source (120) are laminated and wound in one direction around a central axis (C) of the electrode assembly.
Absstract of: EP4734199A1
0001 A battery cell (100, 100') includes an electrode assembly (110) including a positive electrode (111), a negative electrode (113), and a separator (115) between the positive electrode (111) and the negative electrode (113), a case (130) accommodating the electrode assembly (110), the case (130) including an opening (131h), a cap plate (150) connected to the case (130) while covering the opening (131h), and an insulator (170) between an inner circumferential surface of the case (130) and the electrode assembly (110), the insulator (170) being configured to prevent heat generated in the case (130) from being transferred to an outside.
Absstract of: EP4732912A2
The present disclosure provides a battery pack and an energy storage system including the same. The battery pack may include a case having an accommodating space therein, a battery module comprising a plurality of battery cells arranged in the accommodating space, and an extinguishing tube placed on the battery module, and the extinguishing tube may include a tube cover filled with a filler and a plurality of spraying units formed on the tube cover.
Nº publicación: EP4734202A1 29/04/2026
Applicant:
SK ON CO LTD [KR]
SK On Co., Ltd.
Absstract of: EP4734202A1
A secondary battery according to various embodiments of the present disclosure includes: a battery can configured to accommodate an electrode assembly; a cap plate including a body part having a shape corresponding to an opening of the battery can and an edge part protruding upward along a perimeter of the body part, the cap plate being coupled to the opening; and a sealing gasket disposed between the battery can and the edge part, wherein the battery can may include a crimping part formed by bending at least a partial section of an upper end portion thereof to surround the edge part.
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