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1499
results.
Updated on
08/08/2025 [07:36:00]
Results 300 to 325 of 1499
Absstract of: EP4597653A1
The present disclosure belongs to the technical field of battery production. Disclosed are an assembly apparatus, an assembly method and a battery production line. A driving device is provided on a frame. The driving device drives the rotating of a rotary table which is at least partially arranged on the driving device. Carrier assemblies are provided on the rotary table to rotate along with the rotary table; at least three carrier assemblies are arranged at intervals in the circumferential direction of the rotary table, the carrier assemblies being used for carrying battery cells; at least one of the carrier assemblies is located at a loading position, at least one of the carrier assemblies is located at an unloading position, and at least one of the carrier assemblies is located at a pressure application position, the loading position being located on the side of the pressure application position away from the direction of rotation of the rotary table, and the unloading position being located on the side of the pressure application position facing the direction of rotation of the rotary table. A pressure application assembly provided on the frame is used for applying pressure to the battery cells carried by the carrier assemblies located at the pressure application position, thereby assembling a plurality of corresponding battery cells. Loading, pressure application, and unloading can be carried out without interfering each other, improving the working efficiency of the ass
Absstract of: EP4597616A1
Disclosed is a method for preparing a chalcogenide/sulfur cathode for an alkali metal secondary battery, where sulfur and/or other chalcogenide and/or mixtures represents both active mass and removable template/ porogen, otherwise defined as glass/amorphous/polymer sulfur wafer where the content of active mass is defined by the glassy sulfur and porosity is dictated by the crystalline phase template, with the steps of growing a chalcogenide/sulfur wafer, comprising tailored content of glass/polymeric and crystalline allotropes, from a mother liquid via a suitable growth process, having a specific presence/gradients/areal distribution of crystalline to glassy/polymeric allotropes, and removing the crystalline allotropes-template/porogen of chalcogenide/sulfur from the chalcogenide/sulfur glass-crystalline wafer by immersing it in a suitable solvent, creating a defined porosity within the wafer by etching crystalline phase out from glass-crystalline wafer-like cathode and leaving 3D glassy/polymeric chalcogenide/sulfur where in a further incubation stage due the meta-stability of glass/polymer allotrope a transition into more preferably gamma monoclinic sulfur with trace amounts of glass/polymer allotropes is created, crosslinked with graphene based and or other suitable co-monomer or co-monomers and or capping agents.
Absstract of: EP4597661A1
Die Erfindung betrifft eine Energiespeichereinheit (10) aufweisend: eine Elektroden-Separator/Elektrolyt-Einheit (12), wobei die Elektroden-Separator/Elektrolyt-Einheit (12) dazu eingerichtet ist, elektrische Energie aufzunehmen und/oder abzugeben, wobei die Elektroden-Separator/Elektrolyt-Einheit (12) zumindest ein erstes Begrenzungselement (18) aufweist, wobei das erste Begrenzungselement (18) zumindest teilweise eine Außenseite (16) der Elektroden-Separator/Elektrolyt-Einheit (12) ausbildet, wobei die Energiespeichereinheit (10) eine Verbindungseinheit (20) aufweist, wobei die Verbindungseinheit (20) an dem ersten Begrenzungselement (18) angeordnet ist, wobei die Verbindungseinheit (20) dazu eingerichtet ist, eine Volumenänderung der Elektroden-Separator/Elektrolyt-Einheit (12) zu folgen.
Absstract of: EP4597660A2
A manufacturing arrangement to rechargeable battery cell formation and aging processes according to the invention has rooms (2, 3, 4) for the formation process and for the aging process. The arrangement has also testing devices (8A, 8B, 8C, 8D, 8E, 8F) The rooms and test devices being situated on a floor (9). The arrangement further comprises a mezzanine floor (10) above the floor. On the mezzanine floor there is at least one linear robot system (11). The arrangement further comprises conveyors (14) on the mezzanine floor (10). Each of said rooms (2, 3, 4) has interfaces (15) being in a functional connection to at least one of the conveyors (14) in order to transport the rechargeable battery cells. The mezzanine floor has also openings (16). On the floor (9), the arrangement further comprises elevator conveyors (17) being in functional connection with the opening (16) in order to transfer the rechargeable battery cells from the mezzanine floor to the floor.
Absstract of: EP4597722A2
The present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30 °C or lower than or equal to 90 °C, an electrode assembly including the same, and a method of manufacturing the electrode assembly.
Absstract of: EP4597658A1
Provided is a battery cell material recycling apparatus. The battery cell material recycling apparatus includes a first vacuum belt conveying mechanism and a second vacuum belt conveying mechanism. The first vacuum belt conveying mechanism has a first feed end and a first discharge end opposite to each other in a conveying direction of the first vacuum belt conveying mechanism. The second vacuum belt conveying mechanism has a second feed end and a second discharge end opposite to each other in a conveying direction of the second vacuum belt conveying mechanism. The second feed end is located above the first discharge end. A guide roller is disposed below the second discharge end. The guide roller is movable back and forth in the conveying direction of the second vacuum belt conveying mechanism. A battery cell material accommodated within the material receiving region in a zigzag stacked manner still does not experience excessive tension force. Thus, the problem of breakage can also be effectively avoided. Therefore, use of the battery cell material recycling apparatus in the present solution ensures the continuity of the battery cell material recycling process, improves an efficiency of the recycling operation, and eliminates a potential risk of breakage.
Absstract of: EP4597659A1
A secondary battery including an electrode assembly 110 formed by winding a positive electrode sheet, a negative electrode sheet, and a separator interposed therebetween; a cylindrical can 130 configured to accommodate the electrode assembly; and a cap assembly 150 coupled to an open upper portion of the cylindrical can. The cap assembly includes a cap-up 151 having an upwardly protruding structure, a safety vent 153 disposed below the cap-up while surrounding an outer circumference of the cap-up, and a gasket 155 for sealing between the cap assembly and the cylindrical can. The gasket includes a side surface surrounding outer circumferential surfaces of the cap-up and the safety vent and includes an upper portion bent inwardly to cover a peripheral upper side of the cap-up.
Absstract of: EP4597723A2
The present application provides a battery diaphragm, including: a porous substrate and an adhesive layer formed on the side of the porous substrate. The adhesive layer includes a polymer material with an adhesive property. The adhesive layer has a coating coefficient C. The coating coefficient C is equal to a ratio of the adhesive strength A of the adhesive layer to a value P of an increase in gas permeability per unit coating thickness of the adhesive layer. A relation C=A/P is satisfied. The coating coefficient C has a ratio in a range of 0.3<C<1. The adhesive strength A of the adhesive layer has a unit of N/m. The value P of the increase in the gas permeability per unit coating thickness of the adhesive layer has a unit of s/100cc/µm.
Absstract of: EP4597615A1
Disclosed herein provides a positive electrode for lithium secondary battery including: a positive electrode current collector; a self-temperature control layer disposed on one or both sides of the positive electrode current collector, but disposed to cover a portion of the positive electrode current collector; and a positive electrode active material layer disposed on: an exposed positive electrode current collector region not covered by the self-temperature control layer; and the self-temperature control layer, wherein the self-temperature control layer includes a positive temperature coefficient (PTC) material.
Absstract of: EP4597614A1
The present invention relates to: a negative electrode for an all-solid-state battery; and an all-solid-state battery comprising the negative electrode. More specifically, the present invention comprises: a pre-lithiated silicon negative electrode; a positive electrode; and a sulfide-based solid electrolyte disposed between the negative electrode and the positive electrode, wherein an interfacial layer is included between the solid electrolyte and a negative electrode active material.
Absstract of: EP4596730A1
A method for recovery of valuable metals according to the present disclosure comprises the steps of: (S1) leaching a sulfate solution from waste battery material; (S2) adding a phosphorus compound to the sulfate solution to precipitate aluminum phosphate; and (S3) isolating the aluminum phosphate from the sulfate solution through solid-liquid separation, wherein the sulfate solution contains metal sulfate at a concentration of 90 g/L or higher.
Absstract of: EP4597702A1
The present invention relates to a battery module and a method for determining a center of a battery cell, and more particularly, to a battery module and a method for determining a center of a battery cell, in which a central position of the battery cell is capable of being contactlessly measured to prevent misalignment of the battery cell and prevent damage to the battery cell to improve quality of the battery module.The battery module according to the present invention is characterized by including a plurality of battery cells, and a battery cell case that accommodates the plurality of battery cells, wherein a central position of each of the plurality of battery cells in a longitudinal direction is marked on a surface of the battery cell.
Absstract of: EP4597655A1
A rechargeable battery includes a wound-type electrode assembly, a heat pipe, a can, and a cap plate. The heat pipe is disposed inside of the electrode assembly at a distance from a wound center of the electrode assembly, and the heat pipe surrounds the wound center. The can includes an internal space in which the electrode assembly and the heat pipe are positioned. The cap plate is coupled to an end of an opening of the can to close and seal the can, the cap plate is connected heat pipe, and the cap plate is configured to provide dissipation of heat from the heat pipe.
Absstract of: EP4597694A1
A rechargeable battery includes an electrode assembly (130) including a first electrode, a second electrode, and a separator, a current collecting plate (140, 150) electrically connected to one of the first electrode and the second electrode, a case accommodating the electrode assembly (130) and the current collecting plate (140, 150) therein, and a cap plate coupled to an end of the case to seal the case. The current collecting plate (140, 150) includes a flat outer surface (51) and an inner surface including a plurality of welding parts protruding toward the electrode assembly (130).
Absstract of: EP4597641A1
A cathode current collector for a lithium secondary battery according to embodiments of the present disclosure may include an aluminum layer, aluminum-copper alloy layers formed on the aluminum layer, and copper layers formed on the aluminum-copper alloy layer. Accordingly, even when a high-density cathode active material layer is formed on the cathode current collector, deformation or fracture of the cathode current collector may be prevented, thereby improving the cycle life of the secondary battery.
Absstract of: EP4597595A1
An electrode assembly (100) including: a first electrode plate (110) including a first electrode substrate (111) having a first electrode active material layer (112) thereon; a first separator (120); a second electrode plate (130) including a second electrode substrate (131) having a second electrode active material layer (132) thereon; and a second separator (140). The first electrode plate (110), the first separator (120), the second electrode plate (130), and the second separator (140) are sequentially stacked and wound about a winding axis, and the first electrode substrate (111), the first separator (120), and the second separator (140) extend at least one turn beyond a distal end (130a) of the second electrode plate (130) in the wound electrode assembly (100).
Absstract of: EP4597657A1
An electrode assembly according to one embodiment of the present disclosure is an electrode assembly in which an electrode unit and an assembly cathode are sequentially stacked, wherein the electrode unit comprises: an anode whose first surfaces are folded in directions facing each other; a unit cathode located between the folded first surfaces; and a first separator located between the first surface and the unit cathode, wherein the first surface surrounds the upper and lower surfaces of the unit cathode and one side surface of the unit cathode, and both end parts of the first surface extend along the upper and lower surfaces of the unit cathode.
Absstract of: EP4597018A1
A cooling plate assembly, an assembly method applied to the cooling plate assembly, a battery module and a battery pack are provided. The cooling plate assembly includes a cooling plate configured to control a temperature of the battery module; and at least one current collector connected to an end portion of the cooling plate through bonding. The cooling plate assembly is conducive to improving the connection stability between the cooling plate and the current collector and the assembly efficiency.
Absstract of: EP4597700A1
The present invention suppresses a temperature rise of a battery cell due to a bus bar plate connected to first and second lead plates. In battery system 1 in which a plurality of battery cells 4A included in battery block 4 are connected in series as well as in parallel by connecting the end-face electrodes of battery cells 4A with first lead plate 7A and second lead plate 7B that are connected by bus bar plates 3, a temperature rise of a specific battery cell 4A caused by bus bar plates 3 is suppressed by ensuring cooling gap 5 between bus bar plates 3 and battery block 4, and enabling the air in cooling gap 5 to rise quickly when the temperature of bus bar plate 3 rises due to the Joule heating of the load current.
Absstract of: EP4597681A1
A method of easily recycling power supply devices is provided. Each power supply device includes battery blocks (10) and a circuit board (30) accommodated in a housing (20), each of the battery blocks (10) including secondary battery cells. The method includes: measuring resistance values based on current and voltage values of the devices before and after starting one of charging and discharging of power supply devices (100) for a predetermined time not longer than 10 seconds and based on current and voltage values after finishing the one of charging and discharging of the devices; grouping one or more power supply devices (10), the one or more power supply devices each having a difference between the resistance values which is within a predetermined range; taking out the battery blocks (10) accommodated in the housing (20) by disassembling the devices; and reproducing, according to a result of the grouping, a power supply device: by constituting a new power supply device (100') by accommodating the battery blocks in a new housing; or by reproducing a power supply device by combining a new battery block with a separated housing (20) and a separated circuit board (30).
Absstract of: EP4597633A1
A positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode mixture containing a positive electrode active material, and a binder having a polymer structure derived from vinylidene fluoride. An ATR-IR spectrum of the positive electrode mixture has an α peak belonging to an α-type crystal in the polymer structure in a wavelength region of 760 to 764 cm<-1>, and a β peak belonging to a β-type crystal in the polymer structure in a wavelength region of 838 to 842 cm<-1>. A maximum absorption intensity H(α) of the α peak and a maximum absorption intensity H(β) of the β peak satisfy 0.2 ≤ H(α)/H(β) ≤ 5. With this configuration, in the case of using a ferroelectric, it is possible to improve the capacity retention rate while maintaining the capacity of the nonaqueous electrolyte secondary battery.
Absstract of: EP4597632A1
A positive electrode 13 for secondary battery of the present disclosure includes a positive electrode current collector 11 and a positive electrode active material layer 12 supported on the positive electrode current collector 11, where the positive electrode active material layer 12 includes a positive electrode active material and polyvinyl alcohol modified with a phosphorus compound. A method for manufacturing the positive electrode 13 for secondary battery includes: preparing a polymer solution including polyvinyl alcohol, a phosphorus compound, and a solvent; preparing a positive electrode slurry including the polymer solution and the positive electrode active material; and applying the positive electrode slurry to the positive electrode current collector 11 to form the positive electrode active material layer.
Absstract of: GB2637719A
A battery stack monitoring method for detecting occurrence of a thermal event in one or more battery stacks, comprising: receiving a signal indicative of a measured voltage in the one or more battery stacks; determining, in dependence on the measured voltage, whether a voltage-drop criterion is satisfied; and outputting, in dependence on the voltage-drop criterion being satisfied, a signal that a thermal event has occurred in the one or more battery stacks. The voltage drop criterion comprises a drop in the measured voltage exceeding a first threshold; and/or the measured voltage dropping below a second threshold. A battery stack monitoring system may comprise one or more processors collectively configured to perform the method. A battery storage system may comprise a plurality of battery stacks, a storage buffer for storing the stacks, one or more conveyors for moving the stacks in and out of the buffer, and the stack monitoring system.
Absstract of: EP4597674A1
To address the issue that it is difficult to ensure both cycle performance and storage performance for the existing high-voltage lithium cobalt oxide battery, the application provides a lithium-ion battery, which includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode material layer; the positive electrode material layer includes a positive electrode active material, which includes a lithium cobalt oxide doped or coated with elment aluminum; the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt and an additive; the additive includes a first additive and a second additive, the first additive includes a cyclic sultone, and the second additive includes a compound represented by structural formula 1:the lithium-ion battery meets the following requirements: 0.1≤a/c≤5; 0.3≤b/c≤20; and 0.2 ≤a≤1, 0.1≤b≤5, 0.1≤c≤5. The lithium-ion battery provided by the application has good high-temperature storage performance and high-temperature cycle performance, and is beneficial to prolonging the battery service life.
Nº publicación: EP4597626A1 06/08/2025
Applicant:
SUMITOMO METAL MINING CO [JP]
SUMITOMO METAL MINING CO., LTD
Absstract of: EP4597626A1
Provided is a positive electrode material for a lithium ion secondary battery, including aggregated particles including aggregated multiple primary particles of a positive electrode active substance containing lithium iron phosphate coated with a carbonaceous film, the positive electrode active substance having a prescribed composition containing lithium iron phosphate, the positive electrode material having a change rate of a lattice area of a b-c axis plane before charging and after full charging (((lattice area before charging-lattice area after full charging)/lattice area before charging) × 100) of 1.10% or more and 1.33% or less. The positive electrode material has excellent cycle characteristics and high input and output characteristics in using as a positive electrode of a lithium ion secondary battery.
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