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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 500 a 525 de 1314
Resumen de: EP4610293A1
According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol%, the proportion of constituent unit (B) is 5-20 mol%, and the proportion of constituent unit (C) is 30-75 mol%.
Resumen de: EP4611090A1
In a non-aqueous electrolyte secondary battery according to an embodiment, a positive electrode includes a lithium-containing transition metal composite oxide and a sulfonic acid compound present on the surface of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). In the formula, A is a Group 1 or Group 2 element, R is a hydrocarbon group, and n is 1 or 2. A negative electrode includes a silicon-containing material (50). The silicon-containing material (50) contains an ion-conducting phase (51) and a Si phase (52) dispersed in the ion-conducting phase (50), and the size of the Si phase (52) is 110 nm or less.
Resumen de: FI20235028A1
The present disclosure provides a method for separating manganese in leaching of cobalt and/or nickel, the method comprising providing a leach solution comprising cobalt and/or nickel, providing manganese in the leach solution as the only reducing agent, and allowing the manganese to precipitate as manganese dioxide while the cobalt and/or nickel are dissolved. The present disclosure also provides use of material comprising cathode material or leaching solution obtained from material comprising cathode material in the method.
Resumen de: CN120112487A
Ionic solids (e.g., disordered rock salt oxide/oxyfluoride (DRX) compositions) useful as lithium ion cathodes are synthesized by microwave processes that are two orders of magnitude faster than conventional solid and mechanochemical synthesis processes. The microwave synthesis can be carried out in ambient air, so that the synthesis time, the energy consumption and the cost are greatly reduced. In one illustrative embodiment of the method, the precursor powders are mixed and pressed into pellets. Then putting the pellets into a ceramic crucible surrounded by activated carbon; and then the crucible is placed in 1200W microwaves to be continuously heated for 5-20 minutes. And after the microwave radiation is stopped, immediately and quickly taking out the pellets from the crucible, and quenching in water. The pellets are then dried and milled into a powder, which is the final DRX product.
Resumen de: EP4610309A1
Provided is a liquid dispersion of fluoride particles suitable for an optical material of an optical film such as an antireflection film, an electrode material of a secondary battery, and the like by satisfactorily dispersing fluoride particles even without using a dispersant containing a conventional surfactant. The liquid dispersion of fluoride particles according to the present invention is characterized by including an organic solvent, fluoride particles dispersed in the organic solvent, and polyvinylidene fluoride as a dispersant for dispersing the fluoride particles.
Resumen de: EP4611165A1
A battery disclosed includes a case, an electrode group, a sealing unit including a conductive cap, a terminal plate 60 joined to an opening edge of the case, and an insulating plate 70 that electrically insulates the conductive cap from the terminal plate 60. The case and the terminal plate 60 are electrically connected to a first electrode, while the conductive cap is electrically connected to a second electrode. The terminal plate 60 has a first connection region to which a first external terminal 101 is to be connected. The conductive cap has a second connection region to which a second external terminal is to be connected. The terminal plate 60 has a planned breaking part 64 between the first connection region and a joint part 63 thereof joined to the opening edge of the case. The planned breaking part 64 breaks when the internal pressure of the case exceeds a predetermined value, separating the terminal plate in the axial direction of the case into a broken piece 65 on the outer peripheral side and a broken piece 66 on the inner peripheral side. Thus, a battery having a current interruption function can be provided.
Resumen de: EP4611140A1
The present disclosure provides a battery pack that can reduce adverse effects on an adjacent secondary battery cell. A battery pack 100 includes a plurality of secondary battery cells 1, each of which has a gas discharge port 1a on an end face, a battery holder 20 that holds the plurality of secondary battery cells 1, one or more lead plates 30 that couple end faces of adjacent secondary battery cells 1 among the plurality of secondary battery cells 1, and a baffle plate 40 having a plurality of protrusions and depressions that generate a pressure difference in gas discharged from the secondary battery cells 1. The plurality of protrusions and depressions are provided between the end faces of the adjacent secondary battery cells 1 by being disposed on at least one of a face of the battery holder 20 opposite the lead plate 30 and a face of the lead plate 30 opposite the battery holder 20.
Resumen de: EP4610436A1
A hydraulic system (2) of a construction machine according to one embodiment includes: an electric motor (21) that is supplied with electric power from a battery (13); a hydraulic pump (33) that is driven by the electric motor (21); and a circulation pump (71) that circulates cooling water through a circulation passage (7) that extends through the battery (13) and a radiator (76). The hydraulic system (2) further includes: a heat exchanger (24) that is connected to the circulation passage (7) in parallel with the radiator (76); a first switching valve (52) that switches whether or not to supply hydraulic oil that has been delivered from the hydraulic pump (33) to the heat exchanger (24); and a second switching valve (74) that switches whether to supply the cooling water that has passed through the battery (13) to the radiator (76) or to the heat exchanger (24).
Resumen de: WO2024089708A1
The present disclosure provides a method and a vehicle to generate alarm signals for alarming a user relating a malfunctioning main battery (102). The present disclosure provides a BMS (104) which is configured to selectively enable flow of power from an auxiliary battery (106) or the main battery (102) to the at least one of the pluralities of vehicle component (118,120,122, 124). The BMS (104) selectively enables the flow of power based on riding condition of the vehicle and when one or more conditions associated with one or more parameters are satisfied. The flow of power to the at least one of the pluralities of vehicle component (118,120,122, 124) generates an alarm signal for the user, the surrounding vicinity of the vehicle, and other emergency contacts of the vehicle and the user.
Resumen de: GB2623892A
A method of determining the reusability of a battery includes: measuring an open circuit voltage (OCV) for each of a plurality of cells in the battery 104; performing an electrochemical dynamic response (EDR) test on the battery to derive impedance and lithium transport parameters for each of the cells 106; performing a resistance test on a plurality of wires and connectors to identify defective wires or connectors 108; and measuring a flow of current in a plurality of charge balancing circuits to identify a malfunctioning charge balancing circuit based on the determined current drainage 110. One or more outlier cells are identified from these tests 114. Outlier cells found to be damaged or defective may be removed from the battery and either repurposed or recycled. This may be done on the basis of a degradation pathway predicted for the cells over the lifetime of the battery.
Resumen de: CN120202589A
The invention relates to a method for connecting a trap (20) to an inner side (11) of a pole cap (10) of an electrochemical cell (100), in which a drawing mandrel (30) is pushed through an opening (12, 12 ') of the pole cap (10) and/or through an opening (23) or a recess (24) of the trap (20), the drawing mandrel (30) is designed to at least temporarily form a mechanical connection between the drawing mandrel (30) and the catch (20) at a portion (31 ''), or the drawing mandrel (30) is mechanically connected to the catch (20), in which a force (F) outward from the opening (12) of the pole cap (10) acts on the drawing mandrel (30) and the catch (20) presses against the inner side (11) of the pole cap (10), in which the catch (20) pressed against the inner side (11) of the pole cap (10) is connected to the pole cap (10), in particular in an electrically conductive manner.
Resumen de: EP4611146A1
A reinforcing bracket (120) for a battery, a battery (200), and a power consuming apparatus (1000) are provided. The battery includes a plurality of battery cells (10), the reinforcing bracket includes a connecting bracket (121) and a plurality of partition members (122), the connecting bracket includes a first reinforcing plate (1211), a plurality of avoidance holes (121a) that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space (124) is defined between the adjacent partition members and the connecting bracket.
Resumen de: 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).
Resumen de: EP4611058A2
The present invention relates to a current collector having improved adhesive strength, and is a structure comprising a metal foil and a primer coating layer formed on at least one surface of the metal foil, wherein the surface of the primer coating layer is a flat surface that is rolled so as to be evenly flat.
Resumen de: EP4611168A1
A battery module including a battery cell stack in which a plurality of battery cells are stacked; a module case configured to accommodate the battery cell stack; a busbar frame disposed on a side of the battery cell stack; an insulating cover disposed outside the busbar frame; and a pressure pad disposed inside the insulating cover to press the busbar frame is provided.
Resumen de: 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.
Resumen de: 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.
Resumen de: EP4611148A1
A pressure relief component, a battery cell, a battery, and an electrical apparatus are provided and pertain to the field of battery technologies. The pressure relief component includes a pressure relief portion, a reinforcing portion, and a first weakened portion. The pressure relief portion is configured to rupture when the battery cell relieves pressure, so as to release the internal pressure of the battery cell. The reinforcing portion is connected to the pressure relief portion, and the reinforcing portion is arranged around the pressure relief portion. The first weakened portion is connected to the pressure relief portion via the reinforcing portion, stiffness of the first weakened portion being less than stiffness of the reinforcing portion. This structure of the pressure relief component makes the first weakened portion more prone to deformation, allowing the first weakened portion to absorb the deformation energy of the battery cell when the battery cell is subjected to internal and external impacts and deforms, enabling the first weakened portion to provide a certain buffering effect, thereby reducing phenomena such as deformation or damage to the pressure relief portion, and improving the operational stability and service life of the pressure relief component.
Resumen de: EP4611119A1
A battery (200) and a power consuming apparatus (1000) are disclosed. The battery includes a box body (30), and multiple battery cells (10) and a heat conducting member (40) arranged in the box body. Each battery cell is provided with multiple side walls (110). The multiple side walls include a first side wall (111) and a second side wall (112) connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.
Resumen de: EP4611158A1
A battery pack may include a plurality of battery cells stacked in a first direction, and busbars extending in the first direction and configured to electrically connect at least two adjacent battery cells among the plurality of battery cells. Each of the at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in a second direction. Further, the cell lead may include a first part disposed closer to the cover than a second part. In addition, a maximum dimension of the second part may be greater than a maximum dimension of the first part in the first direction, and each of the busbars may extend in the first direction to electrically connect adjacent second parts to each other.
Resumen de: EP4611163A1
A battery pack can include a plurality of battery cells stacked in a first direction, and a pack case configured to accommodate the plurality of battery cells in an inner space therein. In addition, each of at least a pair of adjacent battery cells among the plurality of battery cells can include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in a second direction. Further, the cell lead can include a first part disposed closer to the cover than a second part. Additionally, a maximum dimension of the second part can be greater than a maximum dimension of the first part in the first direction. Furthermore, the second part can include a plane perpendicular to a third direction, and the first direction, the second direction, and the third direction that can be perpendicular to one another.
Resumen de: EP4611075A1
Provided is a conductive slurry for a secondary battery electrode that reduces the viscosity of a conductive slurry while simultaneously reducing the surface resistance of a film made from the conductive slurry. One embodiment of the present disclosure provides a conductive slurry for a secondary battery electrode comprising: a conductive material; and a dispersant, wherein the dispersant comprises a cellulose-based compound and an organic acid salt.
Resumen de: EP4611159A1
A battery pack may include a plurality of battery cells stacked in a first direction, a pack case with an inner space to accommodate the plurality of battery cells, and a wiring structure provided in the pack case. Further, each of at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in the second direction. Additionally, the cell lead may include a first part of the cell lead and a second part of the cell lead, the first part being located closer to the cover than the second part. Further, the pack case may include a pair of first outer walls extending in the first direction, and a pair of second outer walls extending in the second direction.
Resumen de: EP4611108A1
An electrode assembly includes a jelly-roll structure in which a negative electrode, a separator, and a positive electrode are wound around a core. The negative electrode includes an active material portion in which a negative electrode active material is laminated on one or both sides of a negative electrode current collector, and a negative electrode non-coated portion in which the negative electrode active material is not laminated. The negative electrode further includes a protective tape covering at least a part of the negative electrode non-coated portion adjacent to the core. The protective tape has a cross-sectional area of 0.3 mm<sup>2</sup> to 0.47 mm<sup>2</sup> in a longitudinal direction of the negative electrode. Also provided is a secondary battery including such an electrode assembly.
Nº publicación: EP4611152A1 03/09/2025
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd
Resumen de: EP4611152A1
An energy storage system according to an embodiment of the present invention comprises: a plurality of battery modules arranged in a stacked manner; and a battery rack comprising a pair of thermal runaway blocking kits which cover the plurality of battery modules on both sides thereof, wherein the pair of thermal runaway blocking kits may comprise a body portion on which the plurality of battery modules are mounted and which comprise an empty space in which gas discharged from one or more of the battery modules is confined, and a side frame coupled to the body portion so as to cover the empty space.
BOPI
Sede Electrónica
