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1190
results.
Updated on
25/10/2026 [07:33:00]
Results 450 to 475 of 1190
Absstract of: EP4826823A1
A sulfide-based solid electrolyte is represented by Chemical Formula 1 below and has an argyrodite crystal structure. Chemical Formula 1 Li7-aP1-yMyS4.5-b-yObXaIn Chemical Formula 1, M is bismuth (Bi) or zirconium (Zr), X is one or more halogen elements, 1 ≤ a ≤ 2, 0 ≤ b < 1, and 0 ≤ y < 0.5 (provided that a case where both b and y are 0 is excluded).
Absstract of: EP4826820A1
An electricity storage device (1) according to an embodiment of the present disclosure includes a case (10), a current collector terminal (30, 40) (positive electrode herein), and an insulating member (50). The insulating member (50) is joined to the terminal mounting hole (18) and the current collector terminal (30, 40) so as to fill a gap between the current collector terminal (30, 40) and the terminal mounting hole (18) of the case (10). The case (10) includes a first roughened portion (60) and a second roughened portion (62). The first roughened portion (60) is provided on at least one surface that is around the terminal mounting hole (18) so as to surround a perimeter of the terminal mounting hole (18), within a joining region (J1, J2) with the insulating member (50). The second roughened portion (62) is provided on at least one surface of the case (10) that is around the terminal mounting hole (18), outside of the joining region (J1, J2) with the insulating member (50).
Absstract of: EP4826862A1
There is provided a road safety equipment battery (100) which is rechargeable and configured to be charged by a charger. The road safety equipment battery (100) comprises a housing (110) having a top surface (112), a bottom surface (114), and side surfaces (116). The road safety equipment battery (100) further comprises a rechargeable cell (120) enclosed by the housing (110), a first electric terminal (130) arranged at the top surface (112), a second electric terminal (140) arranged at the top surface (112), and a recess (150) arranged at an edge portion of the top surface (112), wherein the recess (150) is configured to accommodate a corresponding protrusion of a charger (200).
Absstract of: EP4826769A1
According to one approach, provided is an electrode (10) including an active material-containing layer (10b) containing an oxide active material and fibrous carbon. Luminance has periodical variance along a direction on a principal surface of the active material-containing layer (10b).
Absstract of: EP4826767A1
A dry electrode manufacturing device includes machine-direction stretching rolls configured to stretch a dry electrode film in a first direction while transporting the dry electrode film in a first direction. The dry electrode manufacturing device also includes transverse-direction stretching rolls configured to stretch the dry electrode film in a second direction perpendicular to the first direction while transporting the dry electrode film in the first direction. The machine-direction stretching rolls and the transverse-direction stretching rolls are alternatively positioned in the first direction.
Absstract of: EP4825467A1
0001 The present disclosure provides a filter structure, including a base frame having a hollow, and a filter part including a plurality of filters in the base frame to filter foreign matter in a gas, the plurality of filters having different angles with respect to a flow direction of the gas.
Absstract of: EP4826902A1
A rechargeable battery includes: an electrode assembly; a case accommodating the electrode assembly and including an opening; a cap plate covering the opening of the case and including an electrolyte inlet; and a blocking member including a ball adjacent to the electrolyte inlet on one surface of the cap plate and configured to open and close the electrolyte inlet, and a valve connected to the ball.
Absstract of: EP4826858A1
Disclosed is a secondary battery including: a case open on at least one of a first side or a second side and including an accommodating space formed therein; an electrode assembly accommodated in the accommodating space and including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a cap assembly coupled to the case to seal the accommodating space, and including a positive electrode terminal electrically connected to the positive electrode, and a negative electrode terminal electrically connected to the negative electrode, wherein a vent hole is formed in the case or the cap assembly, and a vent, which is configured to rupture upon a pressure in the accommodating space exceeding a predetermined reference pressure, is coupled to the vent hole.
Absstract of: EP4825521A1
0001 Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to transfer a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit located in front of the battery case, the pressing unit being configured to press the battery case, a support unit located at the rear of the battery case, the support unit being configured to support the battery case, a top cap holder configured to locate a top cap at the rear of the electrode tab, a top cap support unit configured to support the rear of the top cap, and a welding unit configured to weld the electrode tab and the top cap to each other, wherein the welding unit includes a welding mask unit configured to bring the electrode tab into tight contact with the top cap, the welding mask unit having an inner space, and a debris removal unit including a shield gas injection unit configured to inject inert gas toward the inner space.
Absstract of: EP4825532A1
0001 A connector interface may include a housing including at least one opening; a circuit board within the housing, the circuit board including a plurality of electrical contacts; and a plurality of flexible conductive members on the circuit board over the plurality of electrical contacts. The plurality of flexible conductive members may extend through the at least one opening of the housing, and the plurality of flexible conductive members may be configured to come into electrical contact with the plurality of electrical contacts when pressed toward the plurality of electrical contacts.
Absstract of: EP4826846A1
The present disclosure relates to a pouch-type battery cooling apparatus for removing heat generated from a pouch-type battery (10). A pouch-type battery cooling apparatus according to an embodiment of the present disclosure includes a case (100) configured to accommodate a plurality of pouch-type batteries (10) and including a cooling fluid (11) in direct or indirect contact with the plurality of pouch-type batteries (10) and a support body (200, 211, 212, 213, 214) including a support plate (220, 220a, 220b) disposed between the plurality of pouch-type batteries (10) or pouch-type battery groups (20), the support plate (220, 220a, 220b) supporting the plurality of pouch-type batteries (10) or the pouch-type battery groups (20) by applying pressure in a thickness dimension of the plurality of pouch-type batteries (10), and a plurality of channels (240) formed inside the support plate (220, 220a, 220b), arranged along a planar dimension of the plurality of pouch-type batteries (10), and providing a flow path through which the cooling fluid (11) flows in a height dimension of the plurality of pouch-type batteries (10).
Absstract of: EP4826836A1
0001 A method for a battery pack includes irradiating light into a peripheral region of the battery pack. The method further includes detecting light from the peripheral region, and detecting that gas leaking from the battery pack based on data associated with the detected light.
Absstract of: EP4826866A1
0001 A battery pack includes: a plurality of battery cells along a first direction; a housing having an opening at one side, and accommodating the plurality of battery cells; a cover coupled to the housing and covering the opening; and a fire-resistant barrier assembly below the cover, and including: a fire-resistant barrier having one end connected to the cover, and extending in the first direction; a metal weight at another end of the fire-resistant barrier; and a fixing member fixing the fire-resistant barrier in a rolled state or a folded state. The fixing member is to melt at a temperature greater than or equal to a threshold, and the fire-resistant barrier is to unfold or unroll to shield a space between the plurality of battery cells when the fixing member is melted.
Absstract of: EP4826899A1
0001 A busbar assembly and a battery pack including the same are disclosed. A busbar assembly includes a first busbar electrically connecting a plurality of battery cells and a second busbar electrically connected to the first busbar and connected to a protection device, in which the second busbar includes a welding portion connected to the first busbar and a binding portion extending from the welding portion and connected to the protection device.
Absstract of: WO2025125752A1
The invention relates to a method for purifying a battery-electrode active material, comprising the following steps: a) providing an active material to be purified, wherein the active material to be purified comprises a metal oxide, aluminum impurities and copper impurities, b) dissolving the aluminum impurities by immersing the active material to be purified in a soda solution at a concentration selected at an effective value to achieve dissolution of the aluminum impurities, and c) dissolving the copper impurities by immersing the active material to be purified in an ammonia solution having an effective value to achieve dissolution of the copper impurities, whereby a purified active material is obtained. The invention also relates to a method for regenerating a spent battery-electrode active material that employs this purification method.
Absstract of: WO2025125331A1
The present invention relates to a process for the production of a LiHSO4 solution comprising the following steps: (a) providing a lithium solution comprising H+ cations, Li+ cations, SO4 2- anions, HSO4 - anions, and water, wherein the molar ratio between the hydrogen cations and lithium cations in the lithium solution ranges from about 0.3 to 2; wherein step (a) comprises the following steps: (a1) providing a leachate solution; and (a2) adding sulphuric acid (H2SO4), and optionally water, to obtain the lithium solution; (b) optionally, removing insoluble impurities and/or organic impurities from the lithium solution; and (c) proceeding with nanofiltration (NF) of the lithium solution to obtain a lithium hydrogen sulphate solution. The present invention further relates to processes for the production of lithium sulphate solutions and/or lithium carbonate from the lithium sulphate solution.
Absstract of: WO2025125208A1
The present invention relates to a positive electrode active material comprising Li, Ni, one or both of Mn and Co, and O, wherein the surface layer comprises S and a transition metal. It was found during the temperature and pressure treatment that a sulfur layer is formed between the positive electrode material and sulfide solid electrolyte which strongly enhances the ionic conductivity and the electrochemical performance.
Absstract of: WO2025125540A1
The present invention relates to particle for a positive electrode active material comprising lithium, nickel, cobalt, aluminium, oxygen and manganese having a ratio Coedge / Cocenter ≥ 1.1 and a ratio Aledge / Alcenter ≥ 20.0, wherein Coedge is an atomic ratio of Co to the total amount of Ni, Co, and Mn at an edge of the particle, Cocenter is an atomic ratio of Co to the total amount of Ni, Co, and Mn at a center of the particle, Aledge is an atomic ratio of Al to the total amount of Ni, Co, and Mn at an edge of the particle, Alcenter is an atomic ratio of Al to the total amount of Ni, Co, and Mn at a center of the particle, and wherein Coedge, Cocenter, Aledge, and Alcenter are measured by cross-sectional SEM-EDS..
Absstract of: WO2025125818A1
The invention provides a method of separating an electrode material from an electrode, the method comprising the steps of: a. Providing an electrode comprising an electrode material adhered to a 5 current collector; b. Adhering the electrode material to a frozen solid; c. Delaminating the current collector from the electrode material when the electrode material is adhered to the frozen solid to provide a free electrode material and a free current collector; and 10 d. Recovering the free electrode material.
Absstract of: EP4826895A1
Embodiments of the present application provide a battery cell, a battery and an electrical apparatus, wherein the battery cell comprises: a casing (1), comprising a first wall (12), wherein the first wall (12) is provided with a pressure relief component (2); an electrode assembly (3) arranged in the casing (1), wherein the electrode assembly (3) comprises an electrode body (31) and a first tab (32), and the first tab (32) is led out from one end of the electrode body (31); and a first current collector (4), configured to electrically connect the first tab (32) and the casing (1), wherein the first current collector (4) is at least partially located between the first tab (32) and the pressure relief component (2), the first current collector (4) is provided with at least one ventilation part (41) and at least one guide part (42), the ventilation part (41) penetrates through the first current collector (4) in the thickness direction of the first wall (12), and the guide part (42) is arranged in the peripheral area of the ventilation part (41).
Absstract of: EP4826795A1
0001 The present application relates to the technical field of lithium batteries, and in particular to a preparation method for a positive electrode material, a positive electrode material, a positive electrode sheet, a battery, and an electric device. The method of the present application comprises: mixing a nitrate salt and a precursor in a solvent, and roasting to obtain a positive electrode material, wherein the precursor comprises LiFe<(1-y)>M
Absstract of: EP4826904A1
An electrolyte injection method, a detection apparatus, an electrolyte injection system, and a manufacturing system for battery cells are provided. The electrolyte injection method can significantly improve the electrolyte injection efficiency. The electrolyte injection method includes: constructing an electrolyte injection curve based on the obtained electrolyte injection time and electrolyte injection volume of a battery sample; dividing the electrolyte injection curve into at least two segments so that the average slopes of two adjacent segments of electrolyte injection curves are different, and taking a connection point between the two adjacent segments of electrolyte injection curves as a target time inflection point; calculating electrolyte injection parameters according to the target time inflection point, the electrolyte injection parameters including the number of electrolyte injection operations and the electrolyte injection volume corresponding to each electrolyte injection operation; and providing an electrolyte to an initial battery according to the electrolyte injection parameters, and performing standing treatment between two adjacent electrolyte injection operations to obtain an electrolyte-injected battery. The electrolyte injection method of the present application can significantly improve the electrolyte injection efficiency.
Absstract of: WO2025125012A1
Process for making a coated cathode active material for lithium-ion batteries wherein said cath- ode active material comprises lithium, nickel and at least one of cobalt and manganese with at least 50 mol-% being nickel, referring to metals other than lithium, wherein said process com- prises the steps of: (a) providing an aqueous solution of chlorides of nickel and of at least one of cobalt and man- ganese in the targeted ratio, (b) performing a pyrolysis of the aqueous solution of step (a) in a flame fed by natural gas, methane, or hydrogen, thereby obtaining a precursor of a cathode active material, (c) adding a source of lithium and, optionally, at least one dopant selected from oxides and (oxy)hydroxides of Ti, Zr, Nb, Ta, Al, Y, Sr, Ba, W, Ce or Mo to the precursor from step (b), (d) performing a thermal treatment at a temperature in the range of from 700 to 1100°C, (e) performing a coating on the material resulting from step (d) with at least one oxide or (oxy)hydroxide of Mn, Co, Ti, Zr, Nb, Ta, Al, Y, Sr, Ba, B, W or Ce, followed by another thermal treatment at a temperature in the range of from 200°C to 800°C.
Absstract of: EP4825234A1
This inhalation device (100) comprises a power source unit (111), a control unit (116) controlling the power source unit, (111) and a case (20) having a power source accommodating portion (200) for accommodating the power source unit (111), the inhalation device heating an aerosol source to generate an aerosol. the power source accommodating portion (200) has an opening (opening 201) in which the power source unit (111) can be inserted and removed, The power source unit (111) is removably mounted in the power source accommodating portion (200). The inhalation device (100) further comprises a panel (30) for opening and closing the opening (201) of the power source accommodating portion (200), and an open/close detection sensor (20d) for detecting an open/close state of the opening (201) by the panel (30). The control unit (116) controls the power source unit (111) based on a detection result of the open/close detection sensor (20d).
Nº publicación: EP4825230A1 21/10/2026
Applicant:
JAPAN TOBACCO INC [JP]
Japan Tobacco Inc.
Absstract of: EP4825230A1
0001 A power supply unit of an inhalation device that generates an aerosol from an aerosol source, comprising: a positive terminal (90a), a negative terminal (90b), and a temperature terminal (90c), which are examples of connections to which a power source unit (111) configured to store power and that is configured to be detachable from the power supply unit is connected; and a control unit (116) that performs a predetermined operation check when the power source unit (111) connected to these connections is replaced, and controls the operation of the power source unit based on the result of the operation check. In the operation check, the control unit (116) obtains information about the power source unit (111) after replacement and, based on this information, the control unit (116) detects faults with the power source unit (111) after replacement, and/or detects faults with the positive terminal (90a), the negative terminal (90b) or the temperature terminal (90c), which are examples of connection portions connected to the power source unit (111) after replacement.
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