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1635
resultados
Última actualización
11/03/2026 [07:42:00]
Resultados 325 a 350 de 1635
Resumen de: WO2026045398A1
Embodiments of the present application provide a wound cell unloading apparatus, a cell manufacturing apparatus, and a battery manufacturing device. The wound cell unloading apparatus comprises a first clamping pin and a second clamping pin. The first clamping pin passes through an inner ring of a wound cell, and a surface of the first clamping pin is configured to be in rolling contact with a surface of the inner ring of the wound cell. The second clamping pin is configured to be in contact with a surface of an outer ring of the wound cell, so as to jointly clamp the wound cell together with the first clamping pin. The first clamping pin and the second clamping pin are configured to move in a first direction to stretch the wound cell. The wound cell unloading apparatus of the present application helps reduce the risk of cell cracking, decreases the spacing between electrode sheet layers, and alleviates the problem of poor corner conformity.
Resumen de: WO2026045360A1
Provided in the present disclosure is a secondary battery comprising a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer disposed on at least one surface of the negative electrode current collector. The negative electrode film layer is provided with a first surface away from the negative electrode current collector and a second surface arranged opposite to the first surface, the thickness of the negative electrode film layer is marked as H. A region with in a thickness range from the first surface to 0.3 H of the negative electrode film layer is marked as the first region of the negative electrode film layer, and a region within a thickness range from the second surface to 0.3 H of the negative electrode film layer is marked as the second region of the negative electrode film layer. The first region comprises a first negative electrode active material, and the second region comprises a second negative electrode active material. The first negative electrode active material comprises primary particles of first artificial graphite, the first negative electrode active material has a powder OI value of 3-6, a graphitization degree of 91-93.5%. The second negative electrode active material has a capacity per gram greater than that of the first negative electrode active material.
Resumen de: US20260061235A1
An all-solid-state battery including a battery body including a negative electrode layer, a positive electrode layer, and a solid electrolyte layer between the negative electrode layer and the positive electrode layer; a case accommodating the battery body; and a fire-extinguishing agent inside the case, wherein the fire-extinguishing agent is configured to produce a solid aerosol.
Resumen de: US20260066828A1
A rotor assembly and motor having the rotor assembly is described. The rotor assembly includes a rotor core formed from a plurality of rotor sheets, each rotor sheet having a cross section shape defining a plurality of magnet retaining tabs, the magnet retaining tabs defining a magnet receiving gap and at least one magnet shaped to be installed within the magnetic receiving gap.
Resumen de: US20260066841A1
A system for supplying power to power consuming devices includes a portable battery pack including one or more rechargeable batteries enclosed in a pouch and a generator operable to convert kinetic energy to electrical energy. The one or more batteries include at least one battery element and a battery cover including one or more channels to accommodate wires of one or more flexible omnidirectional leads and a compartment sized to receive the at least one battery element.
Resumen de: US20260066822A1
A power module includes inverter switches that are configured to control supply of current to a plurality of stator coils of a motor. A control module of the power module is configured to invoke supply of an amount of current to the motor by the inverter switches according to a current command while maintaining a rotor of the motor substantially still. For example, the control module may be configured to generate a ripple torque command alternating between positive and negative at a predefined period. The control module further generates a feedback torque command according to a feedback speed of the rotor in order to drive the speed of the rotor toward zero. The feedback torque command may be combined with the ripple torque command to obtain a total torque command.
Resumen de: US20260061237A1
A battery structure includes a plurality of battery cells including electrodes and separators; a casing part defining an internal space configured to accommodate the battery cells; a piping line having a flow path formed therein, the piping line being connected to one side of the casing part; and a fluid storage part connected to one side of the piping line and configured to store an electrically insulative fire extinguishing fluid. The piping line is configured to deliver the fire extinguishing fluid from the fluid storage part into the internal space of the casing part in response to a thermal or pressure condition within the casing part.
Resumen de: US20260066342A1
Provided is an oxide-based solid electrolyte powder including a base powder, and a coating layer on a surface of the base powder, wherein the coating layer including a Li—Al—O compound, and a method for manufacturing an oxide-based solid electrolyte sintered body including coating a base powder with a material comprising a Li—Al—O compound to form a coated powder, and sintering the coated powder, wherein the sintering is performed without a mother powder.
Resumen de: US20260066336A1
An aluminum battery including an electrode structure is provided. The electrode structure includes a substrate and a channel layer located on the substrate. A material of the channel layer includes an aluminum chloride. A manufacturing method of an aluminum battery is also provided.
Resumen de: WO2026049420A1
Provided is a device for performing an evaluation test on a battery cell including an electrode assembly and a battery case in which the electrode assembly is mounted, according to one embodiment of the present invention. The device comprises a sensor unit facing at least one end of the battery cell, wherein the sensor unit is spaced apart from the one end of the battery cell by a limit height corresponding to a state before a venting phenomenon occurs in the battery cell, and detects whether the one end of the battery cell has swollen to the limit height, and the limit height is a height at which the one end of the battery cell swells immediately before venting due to gas generated inside the battery cell.
Resumen de: WO2026049513A1
The present invention relates to positive electrode active material for an all-solid-state battery and a method for producing same. More specifically, due to a coating layer, containing boron and lithium, formed on the positive electrode active material, side reactions between the positive electrode active material and solid electrolyte can be prevented and improve the output and lifespan of the all-solid-state battery.
Resumen de: WO2026049508A1
The present invention relates to a polymer composition, a polymer slurry, a battery separator and a battery, and may comprise a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth) acrylamide group-containing monomer; a second polymerization unit derived from an N-2 substituted (meth) acrylamide group-containing monomer; a third polymerization unit derived from a lactam group-containing monomer having 6 or more ring atoms; and a fourth polymerization unit derived from a photoreactive functional group-containing monomer.
Resumen de: WO2026049507A1
The present invention relates to a polymer composition, a polymer slurry, a separator for a battery, and a battery, wherein the polymer composition may comprise a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth)acrylamide group-containing monomer; a second polymerization unit derived from an N-2 substituted (meth)acrylamide group-containing monomer; and a third polymerization unit derived from a lactam group-containing monomer having 6 or more ring atoms.
Resumen de: WO2026049506A1
The present invention relates to a polymer composition, a polymer slurry, a separator for a battery, and a battery. The polymer composition contains a polymer component comprising: a first polymerization unit derived from an N-unsubstituted (meth)acrylamide group-containing monomer; a second polymerization unit derived from an N-monosubstituted (meth)acrylamide group-containing monomer; and a third polymerization unit derived from an N-disubstituted (meth)acrylamide group-containing monomer, wherein the content of the first polymerization unit in the polymer component can be adjusted.
Resumen de: WO2026048534A1
This battery comprises: an electrode body which is obtained by winding a positive electrode (11) and a negative electrode (12) with a separator being interposed therebetween; an outer package can which houses the electrode body; and a sealing body for sealing an opening part of the outer package can. The sealing body is electrically connected to the positive electrode (11). The end (61) of the negative electrode (12) on the winding start side in the negative electrode longitudinal direction is positioned closer to the winding start side than the end (71) of the positive electrode (11) on the winding start side in the positive electrode longitudinal direction. A part of a first negative electrode portion (12a), which extends in the negative electrode (12) in the negative electrode longitudinal direction from a first edge (62) on the sealing body side in the negative electrode width direction to a negative electrode width directional position (63) that is at 1/3 the length in the negative electrode width direction from the first edge (62), protrudes further toward the winding start side in the negative electrode longitudinal direction than a second negative electrode portion (12b), which extends in the negative electrode (12) in the negative electrode longitudinal direction from the negative electrode width directional position (63) to a second edge (64) that is on the opposite side from the first edge (62) in the negative electrode width direction.
Resumen de: WO2026048535A1
This battery includes: an electrode body in which a positive electrode (11) having a positive electrode current collector (41) and a positive electrode mixture layer (42) disposed on the positive electrode current collector (41), and a negative electrode (12) having a negative current collector (51) and a negative mixture layer (52) disposed on the negative current collector (51) are wound with a separator interposed therebetween; and a negative electrode lead (21) joined to the negative current collector (51). The negative electrode mixture layer (52) contains a silicon-containing material as a negative electrode active material. The length in the negative electrode width direction of a portion of the negative electrode lead (21) that overlaps the negative current collector (51) in the negative electrode thickness direction is 10-50% of the length in the negative electrode width direction. The weight ratio of the silicon element in the negative electrode mixture layer (52) is 7 mass% or more.
Resumen de: WO2026044712A1
The present application provides an electrochemical apparatus and an electronic apparatus. The electrochemical apparatus of the present application comprises a positive electrode sheet and an electrolyte. The electrolyte comprises a compound represented by formula (I), and the positive electrode sheet contains a lithium transition metal composite oxide, which has a P6(3)mc crystal structure. In the present application, by means of a synergistic effect of the compound represented by formula I in the electrolyte and the lithium transition metal composite oxide having a P63mc crystal structure in the positive electrode sheet, cycle capacity attenuation of the electrochemical apparatus under a high voltage can be significantly mitigated, and growth in the thickness of the electrochemical apparatus during cycling can be significantly inhibited.
Resumen de: WO2026044706A1
The present application discloses an electrochemical apparatus and an electronic device. A positive electrode active material layer comprises a metal element M, wherein the metal element M comprises at least one of Ca and W. An electrolyte comprises a compound of formula (I). By means of a combination of the compound of formula (I) in the electrolyte and the metal element M in the positive electrode active material, and by selecting content A of the compound of formula (I) and content C of the metal element M to satisfy the conditional expression: 0.1≤A*C/100≤400, the calendar life of the electrochemical apparatus in a high-temperature environment can be improved, and the impedance increase of the electrochemical apparatus in the high-temperature environment during the entire service life can also be mitigated.
Resumen de: WO2026044703A1
The present application discloses an electrochemical apparatus and an electronic device. An electrolyte of the electrochemical apparatus comprises the compound of formula (I). A positive electrode active material of a positive electrode sheet comprises Mn and Ni. By means of a combination of the compound of formula I in the electrolyte and the metal elements Mn and Ni in the positive electrode active material, and choosing to make the content A of the compound of formula I and the content C of the metal elements Mn and Ni satisfy the conditional expressions 0.1≤A*C/1000≤40 and 500 ppm≤C≤5000 ppm, not only can the initial impedance of the electrochemical apparatus be improved, but the impedance growth rate of the electrochemical apparatus during high-temperature charging-discharging cycles can also be improved.
Resumen de: WO2026044658A1
The present application provides an electrolyte of a secondary battery, a secondary battery, and an electronic device. The electrolyte comprises a first component and a second component, the first component comprising a compound represented by formula (I), and the second component comprising at least one of a compound represented by formula (II) or a compound represented by formula (III). Applying the electrolyte that comprises both the first component and the second component to a secondary battery enhances the cycle performance of the secondary battery, thereby allowing an electronic device to have a long service life.
Resumen de: US20260066496A1
An electrode assembly, a secondary battery, and a battery pack are disclosed. An electrode assembly includes one or more positive electrode plates, one or more negative electrode plates facing the one or more positive electrode plates in a first direction, a first positive electrode tab extending from a positive electrode plate of the one or more positive electrode plates and bent in the first direction, a second positive electrode tab extending from the positive electrode plate and bent in a direction opposite to the first direction, a first negative electrode tab extending from a negative electrode plate of the one or more negative electrode plates and bent in the direction opposite to the first direction, and a second negative electrode tab extending from the negative electrode plate and bent in the first direction.
Resumen de: US20260066416A1
A battery pack is described that does not require spot welding and does not require bolts to maintain contact compression of the individual battery cells. In one embodiment, each individual cell is a 18650 size lithium ion rechargeable battery cell, but the battery pack can use any size, type or shape individual battery cells with an easy modification of parts of the battery pack.
Resumen de: US20260066415A1
Battery systems according to embodiments of the present technology may include a battery including a lid that defines lateral dimensions of the battery and a base. The base may define an internal volume of the battery between an interior surface of the lid and an interior surface of the base. The base may be coupled with the lid to define a flange extending about lateral edges of the battery. The base may define a tiered profile along an exterior surface of the battery towards a first lateral edge of the battery. The tiered profile may include a first tier defining a depth of the battery, a second tier defining a first terrace proximate the flange along an intersection of the first lateral edge of the battery and a second lateral edge of the battery, and a third tier extending inward from the first lateral edge of the battery and extending between the first terrace and the second terrace. A battery may also include a module seated on the exterior surface of the base of the battery along the third tier, and between the first terrace and the second terrace.
Resumen de: US20260066491A1
A secondary battery includes: an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing the case; and a current collector plate welded between the electrode assembly and the case or between the electrode assembly and the cap plate. The current collector plate has a slit therein.
Nº publicación: US20260066411A1 05/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: US20260066411A1
A secondary battery includes an electrode assembly including a first electrode, a separator, and a second electrode stacked sequentially, a first case configured to accommodate a portion of the electrode assembly, a second case configured to accommodate another portion of the electrode assembly, and a central structure between the first case and the second case.
BOPI
Sede Electrónica
