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1383
resultados
Última actualización
29/10/2025 [07:38:00]
Resultados 175 a 200 de 1383
Resumen de: US2025329833A1
A battery cover system for a portable device including. a printed circuit board (PCB) located in the portable device; a terminal mounted on the PCB configured to cover a portion of a battery when the battery is located in the terminal; and a cover configured to attach to the terminal and to cover at least a portion of the battery not covered by the terminal when the battery is located in the terminal, the terminal and cover together secure the battery in place in the terminal, wherein the cover is electrically connected to one of the positive and negative portions of the battery when the battery is located in the terminal and the other of the positive and negative portions of the battery not contacting the cover is contacting an electrical contact attached to the PCB.
Resumen de: US2025329830A1
The present disclosure relates to a battery cell comprising: an electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode; a case having a first opening at one end and forming a space in which the electrode assembly is accommodated through the first opening; and a cap assembly coupled with the case to form the space together with the case and closing the first opening.
Resumen de: WO2025220966A1
This electrode assembly comprises separator, a first electrode, and a second electrode. The first electrode and the second electrode are positioned with the separator interposed therebetween, and are wound together with the separator. At least one of the first electrode and the second electrode includes a main body and a substrate tab. The main body is composed of a base material and a mixed material layer. The substrate tab is positioned on one side of the main body at a distance from the mixed material layer, and is bent from the main body. The substrate tab includes: a plurality of first extension tabs having a trapezoidal shape, the height of which gradually changes along the longitudinal direction of the main body; and a plurality of second extension tabs having the same height and having a parallelogram shape.
Resumen de: WO2025221116A1
A non-aqueous electrolyte of the present invention comprises lithium salt, an organic solvent, and an additive, wherein the additive comprises a compound having a cyclic borate-based substituent and a fused ring-substituted oxazolidone-based precursor, and thus a lithium secondary battery using said electrolyte has improved cycle and storage characteristics at high temperatures and the overall performance is improved.
Resumen de: WO2025221123A1
Disclosed are a method and an electronic device for determining a resistance of a battery cell, the method comprising the steps of: performing EIS analysis of the battery cell according to a plurality of temperatures including a first temperature and a second temperature so as to obtain a chart relating to the impedance of the battery cell according to a change in frequency; extracting a first inductance of the battery cell at the first temperature on the basis of a first graph relating to the impedance of the battery cell at the first temperature; and determining the resistance of the battery cell at the second temperature on the basis of the first inductance, wherein the second temperature is higher than the first temperature.
Resumen de: WO2025221108A1
The present invention relates to a positive electrode for an all-solid-state battery, a positive electrode composition, and an all-solid-state battery comprising the positive electrode. The positive electrode for an all-solid-state battery comprises a current collector and a positive electrode active material layer positioned on the current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a sulfide-based solid electrolyte, a dispersion medium comprising a compound of chemical formula 1, a binder, an electrolyte salt, a crosslinked product of: a bifunctional or higher glycidyl ether-based compound having an alkylene glycol group; or a mixture comprising same, and a conductive material.
Resumen de: WO2025221188A1
An arrangement for detecting gas leakage from a battery (6), said arrangement comprising at least one gas detector (1, 2, 3, 4), and a control unit (5). The control unit (5) is configured to receive information regarding the position (P1, P2, P3, P4) of the gas detector (1, 2, 3, 4) with regard to at least one predetermined reference position (Pref.1, Pref.2), and configured to determine a detected gas level for the gas detector (1, 2, 3, 4) at which an alert signal is to be generated on basis of said information regarding the position (P1, P2, P3, P4) of the gas detector (1, 2, 3, 4), and to generate an alert signal when the gas detector (1, 2, 3, 4) detects said gas level determined by the control unit (5).
Resumen de: WO2025218632A1
An electrode-sheet processing device, comprising an unwinding mechanism used for unwinding and outputting a material strip, wherein a first die-cutting station and a second die-cutting station are provided in sequence downstream of the unwinding mechanism, and the first die-cutting station and the second die-cutting station are each provided with a die-cutting mechanism; the die-cutting mechanism of the first die-cutting station is configured to cut the material strip to form an intermediate strip and a first strip to be slit, which first strip is provided with a tab at either end in the direction of width; the die-cutting mechanism of the second die-cutting station corresponds to the intermediate strip on a one-to-one basis, and is used for cutting the intermediate strip into a second strip to be slit, which second strip is provided with a tab at either end in the direction of width; a first slitting station is provided downstream of the first die-cutting station, a second slitting station is provided downstream of the second die-cutting station, and the first slitting station and the second slitting station are each provided with a slitting mechanism; and slitting mechanisms correspond to electrode sheet strips on a one-to-one basis, the slitting mechanism of the first slitting station is configured to cut said first strip to form two first electrode sheet strips, and the slitting mechanism of the second slitting station is configured to cut said second strip to form two se
Resumen de: WO2025218542A1
The present disclosure relates to the technical field of battery processing devices, and in particular to a winding shaft and a winding device. The winding shaft comprises: a winding shaft body; a gap formed in the winding shaft body and used for receiving a free end of a material strip; and an attraction structure arranged on the winding shaft body and used for attracting and fixing the free end to the winding shaft body so as to enable the free end to be located in the gap. In the winding shaft provided in the present disclosure, on one hand, the manufacturing costs of the whole winding device can be reduced, and on the other hand, a process of mounting a clamping structure in the gap is not required, so that the difficulty in mounting the winding shaft can be reduced. Furthermore, since a clamping structure can be omitted, the overall size of the winding shaft can be further reduced. Finally, the insertion efficiency can be improved.
Resumen de: WO2025218505A1
The present disclosure relates to a battery, a battery pack, and an electrical device. The battery has a length L, a thickness D, a height H, and a volume V, which satisfy L>D, L>H, and 300 mm≤L≤2000 mm. The battery comprises at least one explosion-proof valve. The explosion-proof valve is arranged on a side face adjacent to a large surface of the battery, and the distance between the edge of the explosion-proof valve close to the large surface and the large surface is D1, which satisfies D1≥1mm; and the area S and volume V of the explosion-proof valve satisfy the relational expression: V:S=1500-8000 (mm).
Resumen de: US2025329888A1
A battery module includes: a battery cell stack in which battery cells are stacked along a first direction; and at least one busbar located on one side or both sides of the battery cell stack. An electrode lead protrudes from the battery cell along a second direction perpendicular to the first direction. The busbar includes a first portion, and a second portion that extends from the first portion at a certain angle with respect to one surface of the first portion, and the electrode lead is joined to the second portion.
Resumen de: US2025329878A1
Examples of the present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. A separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent. The filler is surface-modified and has a particle diameter D100 of about 1.5 μm or less, and the adhesive binder includes a cross-linked aziridine-based adhesive binder.
Resumen de: US2025329885A1
A busbar unit includes a busbar including a bolt fastening portion and a connector terminal portion, and a molded resin portion for covering the busbar. The molded resin portion includes a connector housing portion for covering the connector terminal portion, an intermediate covering portion for covering an intermediate portion of the busbar extending out from the connector housing portion, a first coupling portion coupling a part of the intermediate covering portion distant from the connector housing portion and the connector housing portion and a second coupling portion coupling a part of the intermediate covering portion closer to the connector housing portion than an intersecting part with the first coupling portion and an intermediate part of the first coupling portion.
Resumen de: US2025329886A1
An energy storage system is disclosed includes a cell assembly that includes a plurality of battery cells. A rack case accommodates the cell assembly. A terminal portion is electrically connected to the battery cells and includes an insertion portion formed in an outer surface of the terminal portion. A rack busbar is fastened to the terminal portion and includes a protruding portion inserted into the insertion portion of the terminal portion, with the protruding portion being formed on a side surface of the rack busbar.
Resumen de: US2025329823A1
A battery box and a battery system are provided. A support plate and a side plate assembly in the battery box are enclosed to form a first accommodating cavity. The support plate is provided with a plurality of first through holes, and each of the first through holes is disposed in one-to-one correspondence with the explosion-proof valve of each of the single-cells. A first surface of the support plate is provided with a first heat insulating layer, and the first heat insulating layer seals each of the first through holes. A bottom plate and the support plate are spaced apart, and the bottom plate, the support plate and the side plate assembly are enclosed to form a pressure relief cavity.
Resumen de: WO2025221012A1
A secondary battery according to an embodiment of the present invention comprises: a cylindrical can having an open end; an electrode assembly including a first electrode plate having a plurality of first substrate tabs, a second electrode plate having a plurality of second substrate tabs, and a separator interposed between the first electrode plate and the second electrode plate, the electrode assembly being wound and accommodated in the can; a cap plate coupled to the open end of the can and having at least one notch on a plate surface; and a terminal insulatively coupled to the cap plate and electrically connected to the first substrate tabs. According to an embodiment of the present invention, a loss of space inside the secondary battery can be reduced by eliminating the cap plate provided at the lower portion of the secondary battery and a sealed molding space for forming same. Accordingly, dead space in the secondary battery is reduced, and capacity can be increased. In addition, as the lower structure of the secondary battery is improved, there is no space that acts as an insulating layer when the lower portion is cooled, and thus the lower portion of the secondary battery can be efficiently cooled.
Resumen de: WO2025220956A1
The present disclosure relates to a secondary battery. The technical problem to be solved is to provide a secondary battery capable of increasing stability in a cell and preventing an internal short circuit. To this end, the present disclosure provides a secondary battery comprising: an electrode assembly comprising a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and having an open bottom portion; a terminal extending through the upper surface portion of the case and coupled to the case through a first gasket; a first current-collecting plate interposed between the upper surface portion of the electrode assembly and the case to electrically connect the first electrode plate to the terminal; and a cap plate sealing the lower bottom of the case, wherein: the first current-collecting plate comprises an electrode plate connection portion connected to the first electrode plate of the electrode assembly, and a terminal connection portion located at the center of the electrode plate connection portion and connected to the terminal; the terminal is coupled to a terminal hole of the case; the terminal includes a fastening portion located inside the case; the fastening portion is coupled to the upper surface of the terminal connection portion; and an insulating member is attached to the first current-collecting plate while avoiding a current-collecting welding area.
Resumen de: WO2025221130A1
The present invention relates to a temperature control system capable of effectively cooling and heating a battery pack for an ESS. The present invention comprises: a temperature control device capable of cooling each battery pack; a connection device for allowing air to flow by interconnecting the temperature control devices; and an air conditioning device for discharging air.
Resumen de: WO2025221115A1
A separator, according to the present invention, has excellent adhesion to an electrode and can ensure sufficient porosity, and thus exhibits excellent resistance and ion conductivity characteristics. In addition, since lamination time can be shortened during the manufacture of an electrode assembly, high process efficiency in battery manufacturing can be achieved. Furthermore, the height of an inorganic particle filling part is minimized so that the energy density of a lithium secondary battery can be maximized.
Resumen de: WO2025218384A1
A cold-plate and immersion collaborative heat dissipation system, relating to the technical field of electrochemical energy storage thermal management. The system comprises a battery pack and a heat dissipation device. The battery pack comprises a cold-plate battery and an immersion battery which are arranged on the two sides of a cold plate, and a through hole is formed in the cold plate. The heat dissipation device comprises a first heat exchange device and a second heat exchange device which can exchange heat with each other, the first heat exchange device comprises a first cooling pipe passing through the through hole and a cooling liquid located in the first cooling pipe, and the first cooling pipe is provided with a water pump, so that the cooling liquid circulates along the first cooling pipe and is used for cooling the cold-plate battery and the immersion battery. The first cooling pipe of the first heat exchange device passes through the through hole of the cold plate, so that the cooling liquid in the first cooling pipe cools and dissipates heat of the cold plate, and the cold-plate battery and the immersion battery share the cold plate for cooling and heat dissipation of the batteries themselves, thereby solving the technical problem that the heat dissipation effect of an electrochemical energy storage system is poor.
Resumen de: WO2025218504A1
The present disclosure relates to a battery, a battery pack, and an electrical device. The battery has a length L, a thickness D and a height H, which satisfy L>D, L>H, and 300 mm≤L≤2000 mm. The battery comprises at least one explosion-proof valve. The explosion-proof valve is arranged on a side face adjacent to a large surface of the battery, and the distance D1 between the edge of the explosion-proof valve and the large surface satisfies 1 mm≤D1≤D/2; the total area of the explosion-proof valve is defined as S; and the capacity C of the battery satisfies: 50 Ah≤C≤300 Ah, and S and C satisfy the relationship expression: C:S=0.1-1.5 (Ah/mm2).
Resumen de: WO2025218518A1
A cover plate assembly (1000) of a battery cell (3000), a battery cell (3000), a battery pack (4000), and an electric device (5000). The cover plate assembly (1000) comprises a cover plate body (100), and a terminal assembly (200) and an explosion-proof valve (300) that are arranged on the cover plate body (100). The terminal assembly (200) is electrically connected to an electrode core. On the projection plane perpendicular to the direction of thickness of the cover plate body (100), the orthographic projection outer contour of the terminal assembly (200) deviates from the center of the orthographic projection outer contour of the cover plate body (100), the side of the orthographic projection of the terminal assembly (200) that is close to the center of the orthographic projection outer contour of the cover plate body (100) is a first side, and the orthographic projection of the explosion-proof valve (300) is arranged close to the first side.
Resumen de: US2025329859A1
To provide an application system suitable for dispensing a resin containing a hollow filler. The present invention includes a pressure-feed pump 100 capable of pressure-feeding a viscous material, a leveling part 200 that levels a flow rate of the viscous material delivered by the pressure-feed pump, a dispenser 300 that delivers the viscous material leveled by the leveling part, and includes a structure of a rotary volumetric single-shaft eccentric screw pump, and an applying valve 400 that applies the viscous material delivered from the dispenser in a planar form.
Resumen de: US2025329855A1
A battery arrangement for an at least partially electrically powered motor vehicle, including a battery box; a plurality of battery modules arranged next to one another in the battery box; a cooling plate arranged on a respective battery module with at least one coolant channel; a cover element made of a plastic material, which is arranged on the battery box so that the battery modules and the cooling plates are covered. The cover element has rib-like support portions facing the battery modules, which support the cover element on the cooling plates.
Nº publicación: US2025329844A1 23/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025329844A1
A battery pack according to the present disclosure includes a cell unit group comprising a plurality of cell units stacked; a compression pad attached to at least one side of each of the cell units; and a pair of surface pressure providing walls configured to compress the plurality of cell units and the compression pads; and a pack case including a bottom plate and configured to accommodate the cell unit group, wherein each surface pressure providing wall has a pin insertion portion at a lower end of the surface pressure providing wall, the pin insertion portion being empty space exposed upwards from a lower surface of the lower end, and wherein the pack case comprises at least one guide pin which protrudes from the bottom plate and is inserted into the pin insertion portion to guide a position of the surface pressure providing wall.
BOPI
Sede Electrónica
