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1357
results.
Updated on
04/05/2026 [07:57:00]
Results 550 to 575 of 1357
Absstract of: EP4734269A1
The present invention relates to an electrode current collector, an electrode assembly comprising the electrode current collector, and a method for manufacturing the electrode current collector. The electrode current collector according to the present invention, which is an electrode current collector including an electrode tab extending at an end thereof, comprises: a polymer layer; and a first metal layer and a second metal layer stacked on both surfaces of the polymer layer, wherein in the electrode tab, a metal rib extending to the polymer layer is provided on the first metal layer.
Absstract of: EP4733787A1
A battery lifetime prediction apparatus according to one embodiment disclosed herein may include an information acquisition unit configured to acquire Tabular data of each of a plurality of batteries, an images of each of the plurality of batteries, and a lifetime after a first cycle of each of the plurality of batteries, and a learning unit configured to learn a battery lifetime predictive model through multi-modal learning based on the Tabular data, image, and lifetime after the first cycle of each of the plurality of batteries.
Absstract of: EP4734198A2
A battery module includes battery cells arranged in a first direction such that main surfaces of the battery cells are adjacent to each other, a pair of end plates at outermost sides of the battery cells, and a pair of side plates coupled to the pair of end plates and covering side surfaces of the battery cells. Each of the end plates includes a first elastic portion extending across the end plates in a second direction substantially perpendicular to the first direction, and each of the side plates includes a groove overlapping the first elastic portion in the second direction and extending in the first direction.
Absstract of: EP4734231A1
The technical idea of the present disclosure provides a battery pack including: a base frame; a cell block including a plurality of battery cells on the base frame; a cooling structure provided on the cell block and having a first cooling channel; and a heat transfer structure thermally connecting the cell block to the cooling structure and including a plurality of thermal conductive pads attached to the cell block and a plurality of thermal conductive rails attached to the cooling structure; wherein the plurality of thermal conductive rails are arranged in a first direction on the cell block, and two adjacent thermal conductive rails among the plurality of thermal conductive rails overlap in a second direction.
Absstract of: EP4734219A1
0001 Disclosed is a battery pack. The battery pack includes a base plate having a flow path therein; a plurality of battery cells positioned on the base plate; and a partition wall installed on an upper surface of the base plate and having an inner space in communication with the flow path.
Absstract of: EP4734257A1
The technical idea of the present disclosure provides a battery pack including: a first cell assembly including a plurality of first battery cells; a pack frame including a base frame supporting the first cell assembly and a side frame facing a side portion of the first cell assembly and extending in a first direction; an internal frame extending in a second direction intersecting the first direction within an internal space of the pack frame; and a bonding layer bonding the side frame to the internal frame and exposed to an exterior of the pack frame.
Absstract of: EP4733266A1
A positive electrode active material, a preparation method thereof, a positive electrode including the same, and a rechargeable lithium battery are disclosed. The positive electrode active material includes a positive electrode active material including a lithium nickel-based composite oxide and having a secondary particle form in which a plurality of primary particles are agglomerated, wherein an average size of the primary particles measured through electron backscatter diffraction (EBSD) analysis of a cross-section of the secondary particles is about 1.05 µm to about 1.5 µm, a standard deviation of the size of the primary particles is less than or equal to about 0.3 µm, and an average aspect ratio of the primary particles is less than or equal to about 1.7.
Absstract of: EP4732914A1
The present specification discloses a composite material and a fire-extinguishing device, which are applied to products or elements being in an abnormal state or having potential for an abnormal state, thereby enabling to effectively respond to the abnormal state. For example, the composite material or the like can be applied to an article comprising multiple products or elements to respond to abnormal heat generation, explosion, or ignition occurring in one element or product, and prevent or minimize the spread of such heat generation, explosion, or ignition to adjacent elements or products. The composite material or the like also exhibits excellent handleability and storage stability. The present specification can also provide a use of the composite material or the like.
Absstract of: EP4734241A2
The disclosure provides a secondary battery (100), a battery pack (10), and an electronic device (1). The secondary battery (100) includes a housing (110) and an electrode assembly (120); the housing (110) includes an end wall (111) and a sidewall (112) surrounding the end wall (111), the sidewall (112) and the end wall (111) are integrally formed by stretching; the electrode assembly (120) is accommodated in the housing (110); wherein a wall thickness of the end wall (111) is a, a wall thickness of the sidewall (112) is b, 1 < a/b < 3, and the technical issue of battery performance degradation caused by uneven side pressure of the housing (110) on the electrode assembly (120) may be alleviated.
Absstract of: EP4734221A1
Disclosed herein relates to a coating device including: a coating die including a first internal flow path; a supply tank storing a first coating liquid; a first supply line extending from the supply tank and configured to deliver the first coating liquid; a first flow path diverter valve connected to the first supply line and comprising a first input end into which the first coating liquid flows, a first output end discharging the first coating liquid, and a second output end discharging the first coating liquid; a second supply line extending between the first output end of the first flow path diverter valve and the first internal flow path of the coating die; a return line extending between the second output end of the first flow path diverter valve and the supply tank; and a first flow regulating valve installed in at least one of the second supply line and the first internal flow path of the coating die, and configured to regulate a flow rate of the first coating liquid.
Absstract of: EP4734214A1
The present application relates to an electrolyte solution for a lithium metal battery, a lithium metal battery and an electrical device. The electrolyte solution for a lithium metal battery includes an organic solvent. The organic solvent includes a phosphate compound including a silicon-containing group and at least one phosphate group, where an oxygen atom of at least one phosphorus-oxygen single bond in the phosphate group is connected to a silicon atom of the silicon-containing group by a covalent single bond.
Absstract of: EP4734245A1
The present application relates to a check valve, an end cover assembly, a battery cell, a battery, and an electric apparatus. The check valve includes a valve core and a valve body. The valve body is assembled in a liquid injection hole and includes a fixing portion and a sealing portion. The fixing portion is connected to an end cover. The sealing portion is connected to the fixing portion and configured to be in sealing engagement with the end cover. The valve core is at least partially fitted within the valve body and defines, with the valve body, a flow passage for communication with an external environment. The valve core is configured to drive, under an external force, the sealing portion to deform and separate from the end cover to form a flow port, the flow port being in communication with the flow passage. The end cover assembly, battery cell, battery, and electric apparatus provided in the present application have good waterproofing and high liquid injection efficiency.
Absstract of: EP4734207A1
0001 Disclosed in the present application are a downward-pressing mechanism, a pressure application apparatus and a battery production device. The downward-pressing mechanism comprises a variable-distance unit and a plurality of downward-pressing members, wherein the variable-distance unit comprises a substrate and a plurality of variable-distance members sequentially arranged on the substrate in a first direction, and at least one variable-distance member can move in the first direction; and each downward-pressing member is connected to a corresponding variable-distance member, and the downward-pressing member is used for pressing a product.
Absstract of: EP4734183A1
0001 A coated active material 100 according to the present disclosure includes: a positive electrode active material 101; and a coating layer 102 coating at least a portion of a surface of the positive electrode active material 101. The coating layer 102 includes a compound including Li, M, and F. In the compound, the M is at least one element selected from the group consisting of metalloid elements and metal elements other than Li. An amount of F in the compound per unit surface area of the positive electrode active material 101 is 10 mg/m<2> or more and 280 mg/m<2> or less.
Absstract of: WO2024261349A2
The invention relates to a battery unit (1) for the voltage supply of vehicles, stationary and mobile machines and also installations, comprising a housing (5) having at least one battery cell (10) and two pole terminals (6, 7) in the end faces of the housing (5). In order to enable sufficient short-circuit protection and to afford the possibility of discharging and charging the battery unit (1), provision is made for a battery unit (1) to be equipped with a stationary pole terminal (6), which projects outward from the housing (5) and is electrically connected to the negative pole of the battery cell (4), and also a movable pole terminal (7), which is guided axially movably and in an insulated manner in the housing (5). The movable pole terminal (7) is connected to the positive pole of the battery cell (4) and can be withdrawn outward from a guide sleeve by a strong magnet in order to enable contact to be made.
Absstract of: EP4734210A1
0001 An all-solid-state battery (1A) includes a power generating element (30) stacked with a positive electrode layer (40), a solid electrolyte layer (60), and a negative electrode layer (50) in this order along a Z-direction, a positive electrode current collector (10) in contact with the positive electrode layer (40), a negative electrode current collector (20) in contact with the negative electrode layer (50). The positive electrode layer (40) includes a side surface (40b) in contact with the solid electrolyte layer (60). The side surface (40b) inclines to approach a center of the positive electrode layer (40) as approaching from the positive electrode current collector (10) to the negative electrode current collector (20). The all-solid-state battery (1A) further includes a non-Li ion conductivity covering portion (70) that is disposed in the positive electrode current collector (10) and covers the side surface (40b), and the covering portion (70) has a thickness (T<3>) in the Z-direction thinner than a thickness (T<1>) of the power generating element (30) in the Z-direction.
Absstract of: EP4733343A1
0001 Problem 0002 To provide a novel polymer (multiblock copolymer) which has a capability comparable to the conductivity of a liquid electrolyte, has excellent adhesion between an inorganic electrolyte and an electrode, and is safe and excellent in stability. 0003 Solution 0004 A multiblock copolymer is used in which a unit structure in which a soft segment composed of polyglycidol (PGLYD) and a hard segment composed of polyethylene glycol (PEG) are bonded together is linked in a number of two or more.
Absstract of: EP4734680A1
0001 A heat conduction structure (1) includes a soft thermally conductive member (10) that is a soft member with thermally conductive properties. The soft thermally conductive member (10) is a member able to maintain a shape. The soft thermally conductive member (10) is packed between the heat-dissipating member (2) and the receiving member (3) .
Absstract of: EP4734211A1
0001 A first aspect of the present disclosure provides an oxyhydride-based superionic conductor that is a composite including: a complex hydride containing a cation including an alkali metal or an alkaline earth metal and a hydride-based complex anion; and a metal oxide. When the superionic conductor of the present disclosure is used as a solid electrolyte in an all-solid-state secondary battery, there can be provided an all-solid-state battery having significantly improved energy density, power, and stability.
Absstract of: WO2025003022A1
The present invention relates to an electrode composition comprising PTFE and a cross- linkable fluororesin composition, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
Absstract of: WO2025003797A1
Electrochemical cells with improved power density and energy density capabilities are provided herein including an electrode an electrode with a dense layer and a porous layer adjacent and electrically coupled to the dense layer. The dense layer has a low porosity relative to the porous layer in order to increase the energy density of the cell. The porous layer has a porosity greater than the porosity of the dense layer in order to provide improved power density.
Absstract of: WO2025002597A1
The invention relates to a method for processing the surface of a lithium foil (10) using a pulsed laser beam source (20) in order to reduce the ion resistance of the lithium foil (10), wherein the laser beam source (20) is designed to remove lithium compounds (18) formed on the lithium foil (10) and introduce a structure (22) into the surface (16) of the lithium foil (10). The invention also relates to a battery foil (100).
Absstract of: WO2025003021A1
The present invention relates to an electrode composition comprising PTFE and a cross- linkable fluororesin, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
Absstract of: EP4734324A1
0001 The charging management apparatus according to an embodiment disclosed in this document may include a parameter extraction unit configured to extract a plurality of parameters related to a battery cell, a key parameter selection unit configured to select one or more key parameters from the plurality of parameters, and a depth prediction unit configured to predict the charging depth of the battery cell based on the key parameters.
Nº publicación: EP4732349A1 29/04/2026
Applicant:
GOOGLE LLC [US]
Google LLC
Absstract of: WO2025023934A1
Various arrangements for incorporating recycled material and identifying recycled material, such as recycled cobalt, in a battery, such as a lithium-ion battery, are detailed herein. A marker material may be incorporated within the battery. The marker material may include one or more characteristics to correspond with one or more features of the recycled material. A composition, morphology, or particle size and distribution of the marker material may be associated with the recycled material. By incorporating the marker material, subsequent analysis of the battery may allow for determining characteristics of the recycled material.
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