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1482
results.
Updated on
11/09/2025 [07:18:00]
Results 625 to 650 of 1482
Absstract of: WO2025183203A1
The present invention relates to coated particles each comprising a sulfide-based particle having a surface coated with a fluorine-containing organic compound. The fluorine-containing organic compound contains a structural unit (1) that is based on a specific monomer (1) and a structural unit (2) that is based on a specific monomer (2). The average particle diameter of the coated particles is 10 nm to 10 μm.
Absstract of: WO2025183193A1
A positive electrode mixture including: a conductivity aid that is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein the variation in luminance intensity in the same field of view is 0.250 or less in a secondary electron image from a scanning electron microscope, and at least part of the solid electrolyte is crystalline with the crystallite diameter thereof being 90 nm or less.
Absstract of: WO2025182450A1
The present invention provides: a solid electrolyte (19) with which it is possible to reduce the interfacial resistance; an ion conductor (10); a sheet (15); and a power storage device (11). The solid electrolyte has a garnet-type crystal structure that contains Li, La, Zr, and O, and when the spectrum emitted from the surface of the solid electrolyte is measured by X-ray photoelectron spectroscopy, the value obtained by dividing the abundance ratio of C by the sum of the abundance ratio of La and the abundance ratio of Zr is less than 3.1. The ion conductor includes the solid electrolyte and an electrolyte solution (23) which is obtained by dissolving a lithium salt in a nonaqueous solvent. The sheet includes the ion conductor and a binder for binding the solid electrolyte. The power storage device includes the solid electrolyte.
Absstract of: WO2025182338A1
The present invention is characterized in that: a positive electrode mixture layer has a first positive electrode mixture layer that is aligned with a positive electrode current collector exposure part in the longitudinal direction of a positive electrode (11), and a second positive electrode mixture layer that is adjacent to the positive electrode current collector exposure part and the first positive electrode mixture layer in the width direction of the positive electrode; a protective member (36) covers the positive electrode current collector exposure part and a portion of the positive electrode mixture layer, the portion being adjacent to the positive electrode current collector exposure part; a separator (13) has a base material layer (50) and a filler layer (52); the filler layer (52) includes resin particles (54) and has projected parts (56) that are formed by the resin particles (54); and in a surface view of the filler layer (52), the ratio of the area of the projected parts (56) to the area of the surface of the filler layer (52) is 12% or more and 20% or less.
Absstract of: WO2025182340A1
Disclosed is a nonaqueous electrolyte solution which contains: a compound represented by formula (1), wherein R is a direct bond, an alkylene group having 1-4 carbon atoms, or a halogenated alkylene group having 1-4 carbon atoms; LiBF4; a nonaqueous solvent; and an electrolyte. The electrolyte is a compound that is different from the compound represented by formula (1) and LiBF4. The content of LiBF4 is 3.0 mass% or less based on the total amount of the nonaqueous electrolyte solution.
Absstract of: WO2025182301A1
Disclosed is a nonaqueous electrolyte solution for a secondary battery, the nonaqueous electrolyte solution containing a hexafluorophosphate, a compound represented by formula (1), and a nonaqueous solvent. (1): FSO2NHR1 In formula (1), R1 represents a hydrogen atom or an optionally substituted hydrocarbon group having 1 to 18 carbon atoms.
Absstract of: WO2025183206A1
A positive electrode mixture including: a conductivity aid that is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein the variation in luminance intensity in the same field of view is 0.250 or less in a secondary electron image from a scanning electron microscope, and at least part of the solid electrolyte is crystalline with the crystallite diameter thereof being 40 nm or more.
Absstract of: WO2025183129A1
This lithium secondary battery includes: a positive electrode (11); a negative electrode (12); a separator (13) disposed between the positive electrode (11) and the negative electrode (12); a non-aqueous electrolyte; and a spacer (50) disposed between the separator (13) and either the positive electrode (11) or the negative electrode (12). At the negative electrode (12), lithium metal precipitates during charging, and the lithium metal is dissolved during discharging. The negative electrode (12) contains a lithium alloy containing magnesium. A protective layer (40) containing a fluorinated polymer is disposed on a surface of the negative electrode (12).
Absstract of: WO2025183131A1
This lithium secondary battery includes: a positive electrode (11); a negative electrode (12); and a nonaqueous electrolyte. At the negative electrode (12), lithium metal precipitates during charging, and the lithium metal is dissolved during discharging. A protective layer (40) is disposed on a surface of the negative electrode (12). The protective layer (40) contains a fluorinated polymer and a block copolymer. The block copolymer includes a first polymer portion having a monomer unit A repeating structure, and a second polymer portion having a monomer unit B repeating structure. The fluorinated polymer and the block copolymer are present in the protective layer (40) as separate molecules.
Absstract of: WO2025183052A1
This non-aqueous electrolyte secondary battery includes: a flat electrode body (60) in which a positive electrode (30) to which a positive electrode tab (22) is connected and a negative electrode (40) to which a negative electrode tab is connected are wound via a separator (70); and an exterior body (12). In the exterior body, a laminate sheet including an adhesive resin layer is folded back along a bottom portion, the peripheral edge portions of two sheet elements facing each other are joined, and each sheet element is provided with a housing portion (13) for housing the electrode body and an exterior body flat portion (15) for sealing the opening of the housing portion. When the outermost periphery of the positive electrode is divided into two, the exterior body flat part side and the bottom end side of the housing portion, the positive electrode tab (22) is attached to the exterior body flat portion side and is led out from the top portion of the exterior body. The negative electrode tab 24 is attached to an intermediate periphery between the innermost periphery and outermost periphery of the negative electrode and is led out from the top portion.
Absstract of: WO2025182281A1
The present invention provides a negative electrode, for a lithium secondary battery, in which a negative electrode active material layer is formed on a current collector, wherein a negative electrode active material includes a phosphorus-carbon composite negative electrode material containing phosphorus atoms and carbon atoms, and the negative electrode active material layer has an area ratio of 0.05-12% of black portions with respect to the entirety of a binary image acquired through the following method. Binary image acquisition method A surface of the negative electrode active material layer is imaged by a scanning electron microscope at an imaging magnification of 40 times to obtain a negative electrode surface image. The negative electrode surface image is subjected to adaptive binarization processing to acquire a binary image.
Absstract of: WO2025182300A1
This non-aqueous electrolytic solution for a lithium ion secondary battery comprises a compound represented by formula (1), a cyclic sulfonic acid ester, a compound represented by formula (2), and a non-aqueous solvent. (1): LiN(R1SO2)(R2SO2) In formula (1), R1 and R2 each independently represent a fluorine atom or an alkyl group which has 1-6 carbon atoms and which may be substituted with a fluorine atom. (2): FSO2NHR3 In formula (2), R3 represents a hydrogen atom or a hydrocarbon group which has 1-18 carbon atoms and which may be substituted.
Absstract of: EP4611065A1
The present invention provides a positive electrode active material composite comprising a positive electrode active material substrate and a coating layer comprising a compound represented by Formula 1 below coated on the positive electrode active material substrate, a positive electrode comprising the positive electrode, and a lithium-ion secondary battery comprising the positive electrode. Formula 1 LiaTibOc-dXd
Absstract of: EP4611128A1
The present technology provides a battery cell assembly including: a cell block with a plurality of battery cells; a first cover plate facing a first surface of the cell block, and including a first cooling channel; a second cover plate facing a second surface of the cell block, and including a second cooling channel; a supply pipe into which a cooling fluid supplied from the outside flows, the supply pipe including a first supply channel connected to an inlet of the first cooling channel and a second supply channel connected to an inlet of the second cooling channel; and a discharge pipe configured to discharge the cooling fluid to the outside, the discharge pipe including a first discharge channel connected to an outlet of the first cooling channel and a second discharge channel connected to an outlet of the second cooling channel.
Absstract of: EP4611131A1
An explosion prevention valve, a cover plate assembly, a battery core, a battery pack, and an electrical system are provided. The explosion prevention valve includes a main body, an explosion prevention piece, and a temperature-sensitive film. The main body is provided with a pressure relief hole extending through a thickness direction thereof. The explosion prevention piece is connected to the main body. The explosion prevention piece is arranged to cover the pressure relief hole. The temperature-sensitive film is connected to the main body. The temperature-sensitive film is arranged to cover the pressure relief hole. The temperature-sensitive film is made of plastic, and has a critical breaking pressure value which is inversely proportional to a temperature of the explosion prevention valve. In the technical solutions of the present disclosure, the temperature-sensitive film is arranged in the explosion prevention valve. When the battery core is in a normal operating condition, the temperature-sensitive film and the explosion prevention piece jointly cover the pressure relief hole of the main body, to increase an opening pressure of the pressure relief hole, so as to reduce a risk of accidentally opening the pressure relief hole. When the battery core is out of control, a high temperature generated after the battery core is out of control quickly softens the temperature-sensitive film, to reduce the critical breaking pressure value of the temperature-sensitive film, so as t
Absstract of: EP4611087A1
The present disclosure relates to a battery manufacturing apparatus for manufacturing a battery assembly which includes a plurality of battery cells, each including a tab part electrically connected to an outside and protruding outward, and an accommodating bottom surface forming a bottom surface of an accommodating space in which the plurality of battery cells are accommodated, including a sensor configured to sense a profile regarding a degree of protrusion of a coating surface of one side of the battery cell facing the accommodating bottom surface, a discharger configured to discharge an adhesive material to the coating surface of at least one battery cell of the plurality of battery cells, and a controller configured to control the discharger or the sensor to adjust at least one of a position and a moving speed of the discharger based on the profile, and a battery manufacturing method using the battery manufacturing apparatus.
Absstract of: EP4610631A1
An object overlap detection apparatus includes one or more photographing units configured to photograph objects from multiple angles. A determining unit is configured to determine whether there are overlapping objects by analyzing an image obtained by photographing the objects in a vertical direction using the one or more photographing units. The determining unit is also configured to determine whether there are overlapping objects by analyzing an image obtained by photographing a side of using the one or more photographing units. A controller is configured to receive information indicating whether the objects overlap from the determination units and to control one or more of an alarm signal, an operation of the photographing units, and transport of the objects.
Absstract of: EP4611392A1
The present disclosure relates to an earphone (100), including: an ear hook (2) and a core module (1) connected to the ear hook (2), the core module (1) including an outer shell (11), a decorative cover (12), and a touch module (18), the outer shell (11) including an outer surface (OS1) away from an ear of a user when the earphone (100) is in a wearing state, the decorative cover (12) being disposed on the outer surface (OS1) of the outer shell (11) and configured to form a touch positioning region (120) for the user to perform touch positioning; a positioning protrusion (121) being disposed on the outer shell (11) and/or the decorative cover (12), the positioning protrusion (121) being located in the touch positioning region (120) and protruding from an outer surface (OS2) of the decorative cover (12) away from the outer shell (11); the touch module (18) being disposed on the outer shell (11) and including a touch detection region (182) that at least partially overlaps with the touch positioning region (120).
Absstract of: EP4611086A1
An electrode for a rechargeable battery is provided. The electrode includes a substrate having an electrode uncoated region and an electrode active region. An electrode tab is attached to the electrode uncoated region, and an active material layer is formed on the electrode active region. A tape is disposed between the electrode uncoated region and the electrode tab.
Absstract of: EP4610232A1
A positive electrode active material, and both a positive electrode and a lithium secondary battery containing the same, are provided. The positive electrode active material includes a lithium nickel-based composite oxide including nickel (Ni), cobalt (Co) and aluminium (Al), and includes a first region, and a second region surrounding the first region, the second region being defined as a region having a thickness of about 1 micrometre (µm) in a direction from the outermost surface to the centre of the positive electrode active material. The content ratio of nickel to aluminium (N<sub>Ni</sub>/N<sub>Al</sub>) of the second region is about 5 to about 45.
Absstract of: EP4611072A1
To provide an electricity storage device with reduced unevenness in film formation and improved battery performance and safety. In the electricity storage device, an electrolyte solution contains a boron-containing film-forming agent. A negative electrode active material layer 40 adheres to a separator 50. The negative electrode active material layer 40 contains graphite particles 43, and the graphite particles 43 have a degree of orientation of 180 or less.
Absstract of: EP4611157A1
An organic/ inorganic composite separator includes (a) a polyolefin porous substrate having pores; and (b) a porous active layer containing a mixture of inorganic particles and a binder polymer, with which at least one surface of the polyolefin porous substrate is coated, wherein the porous active layer has a peeling force of 5 gf/cm or above, and a thermal shrinkage of the separator after being left alone at 150°C. for 1 hour is 50% or below in a machine direction (MD) or in a transverse direction (TD). This organic/inorganic composite separator solves the problem that inorganic particles in the porous active layer formed on the porous substrate are extracted during an assembly process of an electrochemical device, and also it may prevent an electric short circuit between cathode and anode even when the electrochemical device is overheated.
Absstract of: EP4611144A2
The present invention relates to a tray for a secondary battery, which comprises: an accommodation part having a bottom surface, on which the secondary battery is disposed, and a side surface provided along an edge of the bottom surface to accommodate the secondary battery; and a pressing part configured to press a side portion of the secondary battery while descending to the bottom surface and moving to the secondary battery due to a load of the tray loaded on an upper end to fix the secondary battery.
Absstract of: EP4611162A2
The present application provides a jelly roll and a punch cell, and relates to the field of lithium battery technologies. The jelly roll includes a negative electrode plate, along a winding direction, an inner surface of a bending region of the negative electrode plate is covered by a first tape layer, and in a thickness direction of the jelly roll, a projection of two ends of the first tape layer is connected to or partially overlapped with a projection of a winding head of the negative electrode plate. As a result, surface unevenness of the jelly roll is improved, thereby improving a flatness of a battery cell.
Nº publicación: EP4609900A2 03/09/2025
Applicant:
JT INT SA [CH]
JT International S.A
Absstract of: EP4609900A2
The invention relates to an aerosol generating system comprising a battery module for an aerosol generating system, the battery module comprising: a battery (1) extending substantially in a longitudinal direction (Z), the battery (1) having a length (L) measured in the longitudinal direction (Z), and a width (W) and a thickness (T) measured orthogonally to the longitudinal direction, wherein the battery (1) comprises along the longitudinal direction (Z) a first portion (P1) of a first thickness (T1), and a second portion (P2) comprising opposite faces (6,7) which define a second thickness (T2) of said second portion, the second thickness (T2) being less than the first thickness (T1), wherein the second portion of the battery is provided with poles (8) configured for connection to a board-to-board connector (4); and a printed circuit board assembly (2) connected to the battery (1).
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