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1109
resultados
Última actualización
25/08/2025 [07:12:00]
Resultados 250 a 275 de 1109
Resumen de: WO2025173827A1
An electrode assembly and a rechargeable battery including same are disclosed. The electrode assembly according to one embodiment comprises a first electrode plate, a second electrode plate, a separator interposed between the first electrode plate and the second electrode plate, and a first reinforcing member provided on the outer surface of the outermost one from among the first electrode plate and the second electrode plate, wherein the first reinforcing member is a metal plate.
Resumen de: WO2025173824A1
The present invention relates to an all-solid-state battery manufacturing apparatus and all-solid-state battery manufacturing method including same. More specifically, the all-solid-state battery manufacturing apparatus may include an electrode stack unit, a monocell transfer unit, and a cell stack unit, wherein: the electrode stack unit is configured to form a monocell by sequentially stacking a first electrode sheet and a second electrode sheet; and the monocell transfer unit is configured to transfer the monocell to a cell stack unit. The electrode stack unit may include: a first stack table including a first stage and a first rotation unit; a first input unit adjacent to the first location; and a second input unit adjacent to the second location. The electrode stack unit may further include a rotary transfer unit and a pressing unit.
Resumen de: WO2025173817A1
The present invention relates to a cylindrical secondary battery having a folded portion provided in an opening of a case to prevent a welding portion from breaking due to swelling of the case during welding to a cap plate. As an example, disclosed in the present invention is a secondary battery comprising: an electrode assembly; a case that accommodates the electrode assembly through a space of which a portion is open; and a cap plate that seals the space of the case, wherein a folded portion is formed in the case by being folded along at least one area, and the cap plate may be coupled to the folded portion.
Resumen de: US2025266527A1
A pipe connection assembly, a liquid cooling system, a battery and an electric apparatus are provided. The pipe connection assembly includes a first connector and a first connection pipe, the first connector is configured to communicate with a liquid cooling plate; the first connection pipe includes a sealing section and a connecting section communicating with each other, the sealing section hermetically communicates with the first connector, and an inner diameter of the connecting section is less than that of the sealing section. The first connector is hermetically inserted into the sealing section; the sealing section is provided in a quantity of two and the two sealing sections are respectively disposed at two ends of the connecting section; and the first connector is provided in a quantity of two and the two first connectors are inserted into the two sealing sections in one-to-one correspondence.
Resumen de: US2025266546A1
A cell module assembly includes a first frame having a first plurality of pockets, a second frame spaced apart from the first frame and having a second plurality of pockets, a plurality of lithium-ion battery cells coupled to and extending between the second frame and the first frame, a first collector plate electrically connected to the plurality of lithium-ion battery cells and coupled to the first frame by a first curable adhesive, and a second collector plate electrically connected to the plurality of lithium-ion battery cells and coupled to the second frame by a second curable adhesive. Each one of the plurality of lithium-ion battery cells is received within a respective one of the first plurality of pockets and a respective one of the second plurality of pockets.
Resumen de: US2025266544A1
The present disclosure provides a battery and an electric device. The battery includes a plurality of battery cells. Each of the plurality of battery cells has an electrode assembly. The electrode assembly includes a main portion and a tab. Center lines of main portions of two adjacent battery cells of the plurality of battery cells are offset.
Resumen de: US2025266491A1
The present disclosure relates to an electrode assembly insertion guide including a body part detachably coupled to an edge of an opening part formed by opening one surface of an accommodation case, and a coupling part formed by recessing one surface of the body part facing the opening part along a direction from an inside of the accommodation case toward the opening part, and an electrode assembly inserting method.
Resumen de: US2025266553A1
A stacked body (8) of a plurality of cells (80) for a secondary battery is accommodated in a cell-accommodating member (1). The cell-accommodating member (1) comprises: a housing (2) that has an interior space (20) in which the stacked body (8) is accommodated; inter-cell separators (3) that are arranged in the interior space (20) and are interposed between any pair of cells (80) that are adjacent to each other in the stacking direction, the inter-cell separators having electric insulation properties and thermal insulation properties; and elastic members (4) that are arranged at the inter-cell separators (3) and are in elastic contact with adjacent cells (80) in the stacking direction, the elastic members being more readily deformed in accordance with deformation of the cells (80) than the inter-cell separators (3).
Resumen de: US2025266519A1
In a battery monitoring apparatus, detection paths electrically connect respective unit batteries to a monitoring IC. At least one resistor is mounted on each detection path, and discharge switches are located to be closer to the monitoring IC than the at least one resistor is. Each detection path is arranged to extend from the monitoring IC to an edge of the circuit board. For at least one combination of two adjacent detection paths selected from all the detection paths, a center position of the at least one resistor mounted on one of the two adjacent detection paths is arranged to be offset relative to a center position of the at least one resistor mounted on the other of the two adjacent detection paths in a specific direction. The specific direction is defined as a direction from the monitoring IC toward the edge of the circuit board.
Resumen de: US2025266440A1
A positive electrode active material for non-aqueous electrolyte secondary batteries according to one example of an embodiment comprises a lithium-containing composite oxide that is secondary particles in which primary particles are aggregated. The lithium-containing composite oxide exhibits not fewer than 300 voids per 76.46 μm2, an average void perimeter length of not more than 600 nm, and a porosity of not more than 0.15%, as determined by observation of a secondary particle cross-section.
Resumen de: US2025266517A1
Aspects of the present disclosure involve methods, which may be to manage control of a battery such as through charging, comprising obtaining a value indicative of at least one of a dynamic state of equilibrium, periodic behavior, quasi-periodic behavior, chaotic behavior and random behavior of a battery, which may involve electrodynamic parameters of Lyapunov Exponent, Correlation Dimension, Sample Entropy and Hurst Exponent, among others, the value obtained from a voltage measurement or a current measurement from the battery, and based on the value, operating the battery to maintain the battery within one of the dynamic states.
Resumen de: US2025266508A1
An electrode assembly includes a first electrode, a first separator on the first electrode, a second electrode on the first separator, the second electrode including an outer uncoated portion, a second separator on the second electrode, the first electrode, the first separator, the second electrode, and the second separator being wound into a jelly roll shape, and the outer uncoated portion of the second electrode being at an outermost turn of the jelly roll shape, and a swelling tape attached to at least one of opposite surfaces of the outer uncoated portion of the second electrode, the swelling tape including swelling particles.
Resumen de: US2025266504A1
To suppress the electrolysis of an aqueous electrolyte solution on a negative electrode surface when an aqueous potassium ion battery is being charged/discharged. SOLUTION: An aqueous electrolyte solution comprises potassium pyrophosphate which is dissolved at a concentration of 2 mol or more per one kg of water. It is assumed as to the aqueous electrolyte solution that a pyrophosphate ion is decomposed on a negative electrode surface and then a coating is formed on a high-work function portion of the negative electrode surface when a battery is being charged/discharged. As a result, the direct contact of the aqueous electrolyte solution and the negative electrode surface is suppressed and when the battery is being charged/discharged, the electrolysis of the aqueous electrolyte solution on the negative electrode surface is suppressed. SELECTED DRAWING: FIG. 3
Resumen de: WO2025171697A1
The present application relates to a material storage apparatus, a battery assembly system and control method, and a battery production system. A first sensing component is provided on a material bin, wherein the first sensing component is used for determining whether an assembly apparatus enters a material pick-up port; when the material storage apparatus does not receive a material pick-up instruction, the first sensing component is in a working state, and monitors in real time whether the assembly apparatus enters the material pick-up port, and if it is detected that the assembly apparatus enters the material pick-up port, the first sensing component feeds back a corresponding signal to a control module, such that the control module controls the assembly apparatus to stop acting, so as to limit the assembly apparatus from mistakenly entering a containing cavity, and in this case, a feeding operation can be carried out at a feeding port, that is, materials can enter the containing cavity via the feeding port so as to be accommodated, and thus safe feeding is realized; and when the material storage apparatus has received the material pick-up instruction, the first sensing component is in a stop-working state, and in this case, the assembly apparatus can smoothly enter the containing cavity via the material pick-up port to pick up materials. By means of such design, it is not necessary to individually configure spaces on a one-to-one basis, and thus space occupation is reduce
Resumen de: WO2025171737A1
A silicon-based graphene as well as a preparation method therefor and the use thereof. The preparation method for the silicon-based graphene comprises the following steps: (1) mixing graphite, silicon powder and silicon dioxide to obtain a first mixture; (2) carrying out intercalation and exfoliation on the graphite in the first mixture by means of using fluid shearing assisted supercritical carbon dioxide technology, so as to exfoliate the graphite in the first mixture into graphene, thus forming a second mixture of graphene, silicon powder and silicon dioxide; and (3) carrying out high-temperature sintering on the second mixture to obtain the silicon-based graphene in which silicon monoxide is covered with spherical graphene.
Resumen de: WO2025171740A1
A forming die and a battery cell manufacturing system. The forming die is used for casing forming of battery cells, and the forming die comprises a die and a punch. The die is provided with a through hole, and the punch mates with the through hole to press a piece to be machined. The punch has a first outer side surface; the first outer side surface comprises a first surface and a second surface which are sequentially distributed in a first direction; the first direction is the stamping direction of the punch; the second surface is configured to enter the through hole before the first surface in the first direction; the second surface protrudes from the first surface in a second direction; and the second direction is perpendicular to the first direction. Using the forming die to manufacture casings can improve the reliability of battery cells.
Resumen de: US2025266570A1
Methods and apparatus are described that reduce water during the manufacture of battery cells. A Reactive Drying (RD) manufacturing process is described that is incorporated in a battery manufacturing process. A RD process that is used to scavenge water can also provide beneficial ceramic phases within the electrode or substrate that is being treated. This process can be incorporated into the battery manufacturing process to reduce the amount of water in a finished battery.
Resumen de: US2025266503A1
The present disclosure relates to an electrolyte solution and a battery. The electrolyte solution comprising a first salt, a second salt, and a SO2, wherein the first salt is a LiAl halide salt comprising at least a LiAlCl4, and the second salt is an ionic liquid comprising a sulfonyl group, thereby solving the above problem.
Resumen de: US2025266515A1
Battery safety evaluation devices are provided. The battery safety evaluation devices may comprise: a mounting plate, the mounting plate comprising an upper surface for affixing a battery thereto; a chamber unit, the chamber unit comprising a battery accommodation space for accommodating the mounting plate; a plurality of temperature sensor units in the battery accommodation space; and a temperature analysis unit for receiving temperature measurement signals periodically from the plurality of temperature sensor units, wherein the plurality of temperature sensor units are spaced apart from each other within the battery accommodation space.
Resumen de: US2025266568A1
A power storage device includes: a first power storage cell and a second power storage cell disposed side by side in a first direction; and a cross member extending along a second direction perpendicular to the first direction and disposed in a gap between the first power storage cell and the second power storage cell. The first power storage cell includes a first side wall portion facing the cross member. The first side wall portion is provided with a first exhaust valve. The cross member is provided with a hollow portion, and is provided with a first opening such that the first opening faces the first side wall portion. The cross member is provided with a communicating portion that allows the hollow portion and a space around the cross member to communicate with each other. The communicating portion is provided at a position not facing the first exhaust valve.
Resumen de: US2025266506A1
A solid-state battery having a solid electrolyte, an anode configured to contain lithium when the solid-state battery is in a charged state, a magnesium layer positioned adjacent to the anode and between the anode and the solid electrolyte, and at least one metal layer positioned adjacent to the magnesium layer and between the magnesium layer and the solid electrolyte.
Resumen de: US2025266430A1
An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode or the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode or the second electrode can include combining elemental lithium metal and a plurality of carbon particles.
Resumen de: US2025266505A1
There is provided an aqueous electrolyte for a battery, including a water-based solvent having dissolved therein a mixture of a sodium-based salt and a trifluoromethanesulfonate-based salt, and a battery including an anode and a cathode, and the aqueous electrolyte ionically coupling the anode and the cathode.
Resumen de: US2025266432A1
A negative electrode of a rechargeable battery includes a substrate, a front active material layer including a first lower layer formed a first surface of the substrate and a first upper layer formed on the first lower layer, and a rear active material layer including a second lower layer formed on a second surface of the substrate and a second upper layer formed on the second lower layer. The edges of the first lower layer and the second lower layer decrease in thickness toward ends of the first and second lower layers to thereby form a first inclined surface and a second inclined surface. The thickness of the end of the first lower layer is more than twice a thickness of the end of the second lower layer.
Nº publicación: US2025266431A1 21/08/2025
Solicitante:
HYUNDAI MOTOR COMPANY [KR]
KIA CORP [KR]
INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIV [KR]
Hyundai Motor Company,
Kia Corporation,
Industry Academy Cooperation Foundation of Sejong University
Resumen de: US2025266431A1
Disclosed is a cathode active material for a lithium secondary battery, including a first carbon coating layer formed on the surface of a core component containing lithium and configured to cover the core component and prevent dissolution of metal elements contained in the core component, and a second carbon coating layer formed on the surface of the first carbon coating layer and configured to have a lower carbon density and higher ionic conductivity than the first carbon coating layer.
BOPI
Sede Electrónica
