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593
resultados
Última actualización
26/08/2026 [07:22:00]
Resultados 400 a 425 de 593
Resumen de: US20260246093A1
0000 An alkaline battery including a battery case having a bottomed cylindrical shape; a negative electrode terminal plate and a gasket; a positive electrode, a negative electrode, a separator, an electrolyte, and a resin sheet that are housed in the battery case. The positive electrode has a cylindrical shape and a first end surface on the negative electrode terminal plate side and a second end surface opposite to the first end surface. The separator includes a cylindrical portion. The resin sheet is annularly disposed along the cylindrical portion on the inner side of the first end surface. The resin sheet has a width W1 from a position facing the first end surface to the negative electrode terminal plate side and a width W2 from the position facing the first end surface to the second end surface side, each not less than 1.0 mm and not more than 3.0 mm.
Resumen de: US20260245905A1
0000 A power storage device binder aqueous solution includes a polyamic acid and water. The polyamic acid includes an aliphatic diamine unit. The polyamic acid is an amine salt.
Resumen de: US20260246061A1
In the present invention, a cylindrical battery comprises: an electrode; an electrolyte; a bottomed cylindrical outer casing can that accommodates the electrode and the electrolyte; a seal that closes off an opening of the outer casing can; and an upper insulating plate that is disposed in between the electrode and the seal. The seal is provided with a safety valve. The upper insulating plate includes a base material having a through hole, and a film that blocks the through hole. The film is constituted from a thermoplastic resin that melts at a lower temperature than the base material does.
Resumen de: US20260245911A1
0000 An alkaline dry battery includes a positive electrode which has a cylindrical shape and which is disposed in a battery case, a gelled negative electrode containing zinc powder and filled in a hollow portion of the positive electrode, and a separator disposed between the positive electrode and the negative electrode. The separator has a total air permeability within a range of 1.5 to 8.7 cc/cm<2>·s. The negative electrode contains a sulfate salt within a range of 0.01 to 0.5% by mass with respect to mass of the negative electrode in terms of sulfate ions.
Resumen de: US20260246034A1
Embodiments provide a laminate including a flame retardant layer and a fiber-reinforced resin layer; a case for a non-aqueous electrolyte secondary battery; and a non-aqueous electrolyte secondary battery including the same. The flame retardant layer contains 20% to 80% by mass of a thermoplastic resin based on the total mass of the flame retardant layer, 20% to 80% by mass of at least one flame retardant, such as a phosphorus-based, a bromine-based, and an inorganic hydrate-based flame retardant, based on the total mass of the flame retardant layer, and 0% to 20% by mass of reinforcing fibers based on the total mass of the flame retardant layer. The fiber-reinforced resin layer contains 30% to 90% by mass of a thermoplastic resin based on the total mass of the fiber-reinforced resin layer, and 10% to 70% by mass of reinforcing fibers based on the total mass of the fiber-reinforced resin layer.
Resumen de: US20260246078A1
0000 An end cover assembly, a battery, and an electric device are provided. The end cover assembly is applied to a battery and includes an end cover, a breather valve, and a protective patch. The end cover has a first side facing inside of the battery and a second side opposite the first side and includes a first channel in communication with the first side and the second side. The breather valve includes a gas-permeable membrane in gas communication with the first channel. The gas-permeable membrane includes a gas-permeable portion opened towards the second side of the end cover. The protective patch is provided on the second side of the end cover and covers the gas-permeable portion. The battery includes the end cover assembly. The electric device includes the battery.
Resumen de: US20260246181A1
A female terminal, a socket, a battery pack, a power tool and a power tool system are provided to improve a problem of limited discharge capacity between a conventional battery pack and a power tool. The female terminal is used for an electrical connection with a male terminal, and the female terminal includes: a first electrical connector and a second electrical connector. The first electrical connector is provided with a first resilient opening to be electrically connected and inserted into the male terminal. The second electrical connector is arranged inside the first electrical connector, and is provided with a second resilient opening to be electrically connected and inserted into the male terminal. Wherein, during an electrical connection, the male terminal sequentially enters the first resilient opening and the second resilient opening in sequence, and is electrically connected to the first electrical connector and the second electrical connector.
Resumen de: US20260245971A1
An energy storage cell includes a cylindrical housing closed in a liquid-tight manner and having a first housing end face, a second housing end face, and a housing shell. The energy storage cell further includes an electrode-separator assembly in the form of a cylindrical winding formed of electrode ribbons and at least one ribbon-shaped separator. The winding has a first terminal winding end face, a second terminal winding end face, and a winding shell. The electrode-separator assembly is arranged axially in the housing so that the first winding end face points in a direction of the first housing end face and the second winding end face points in a direction of the second housing end face. The housing shell of the energy storage cell is formed of at least one spirally wound foil and comprises at least two layers of the foil.
Resumen de: US20260245963A1
Provided are an electrolyte additive, an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. Such electrolyte may achieve excellent high-temperature storage characteristics and high-temperature cycle characteristics by applying an electrolyte additive including a compound represented by Formula 1 capable of effectively suppressing the deterioration of a positive electrode, and of being not easily decomposed on a negative electrode:in Formula 1,R is an alkyl group having 1 to 10 carbon atoms.
Resumen de: US20260243835A1
0000 An apparatus for diagnosing a battery according to aspects of the present disclosure includes a profile obtaining unit configured to obtain a battery profile representing a correspondence relationship between voltage and capacity of a battery that is charged or discharged at a predetermined target C-rate; a profile correcting unit configured to generate a corrected profile by correcting the battery profile based on an overpotential profile representing overpotential of a criterion battery for each capacity that occurs when the reference battery is charged or discharged at the target C-rate, and generate an adjusted positive electrode profile adjusted to represent a correspondence relationship between a positive electrode capacity and a positive electrode potential of the battery to be diagnosed and an adjusted negative electrode profile adjusted to represent a correspondence relationship between a negative electrode capacity and a negative electrode potential of the battery using the corrected profile; and a control unit configured to diagnose a state of the battery to be diagnosed based on an NP ratio extracted based on the adjusted positive electrode profile and the adjusted negative electrode profile.
Resumen de: US20260245942A1
A secondary battery manufacturing method includes supplying and transferring a pouch fabric via a roll transfer device and slitting the pouch fabric in a slitting direction perpendicular to a transfer direction such that the slit pouch fabric corresponds to a length of a unit pouch, wherein, the step of slitting partially cut the pouch fabric such that both ends thereof in the slitting direction are not cut, and wherein the step of supplying and transferring the pouch fabric comprises supporting and transferring the uncut portions of both ends of the pouch fabric after the step of slitting the pouch fabric. A secondary battery manufacturing device is also provided. The secondary battery manufacturing method and the secondary battery manufacturing device can effectively perform pouch cutting and foreign substance removal through a roll transfer process and continuously perform unit pouch forming.
Resumen de: US20260245988A1
0000 The present disclosure relates to a ceramic-carbon composite including a ceramic shell surrounding a hollow portion; and a carbon coating layer surrounding the ceramic shell, wherein the hollow portion is in a vacuum state, an electrode including the ceramic-carbon composite, and a secondary battery including the electrode. The ceramic-carbon composite of the present disclosure has excellent thermal barrier effect and electrical conductivity, and thus, when used in the electrode, non-ideal heat transfer between an electrode active material and an electrode current collector is blocked to prevent a thermal runaway phenomenon, to have an effect that can significantly improve safety of the secondary battery.
Resumen de: US20260242243A1
0000 The present invention relates to a precursor of a positive electrode active material for a lithium secondary battery, the precursor including a metal composite compound containing at least one metal element selected from the group consisting of Ni, Co, and Mn, and satisfying all of the following requirements (1) to (3): (1) An average particle strength is 10 MPa or more and less than 45 MPa; (2) An average particle diameter D<50 >is more than 4 μm and equal to or less than 20 μm; (3) Both a moisture content and a sulfate radical content are 1% by mass or less with respect to the total mass of the precursor.
Resumen de: US20260245983A1
0000 Disclosed are a sheet for a rechargeable lithium battery and a rechargeable lithium battery including the same. A sheet for a rechargeable lithium battery includes a tape including an adhesive surface on a first surface and a non-adhesive surface or an adhesive surface on a second surface; and a coating layer located on the second surface of the tape and including a metal organic framework.
Resumen de: US20260246094A1
0000 A battery pack includes a first intermediate connecting member that electrically connects: a harness which is electrically connected to a battery core pack; and a first connection terminal. The first intermediate connecting member includes: a harness connection portion to which an end of the harness is connected; and a terminal connection portion to which the first connection terminal is connected. A body portion of the first intermediate connecting member includes an offset portion. The offset portion connects: a first extension end extending from the harness connection portion; to a second extension end extending from the terminal connection portion.
Resumen de: US20260246291A1
A current detection method, a loss capacity prediction method, and a battery screening method for battery self-discharge are provided. In the current detection method for battery self-discharge, a battery is charged with a tiny current by a regulated power supply under a preset condition. During a charging process of the battery by using the regulated power supply, a charging current provided by the regulated power supply is adjusted until a voltage of the battery remains stable. When the voltage of the battery remains stable, the charging current is determined as a self-discharge current of the battery under the preset condition.
Resumen de: US20260245866A1
In some aspects, the present disclosure provides a lithium metal battery having a negative electrode that comprises a substantially pure lithium metal and a positive electrode that comprises the epsilon polymorph of vanadyl phosphate (ε-VOPO4). The lithium metal can have less than five ppm of non-metallic elements by mass. The ε-VOPO4 can be made from solvothermally synthesized H2VOPO4, and be optimized to reversibly intercalate two Li-ions to reach full theoretical capacity with a coulombic efficiency of 98%. This material can adopt a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V. The ε-VOPO4 particles may be modified with niobium (Nb) to improve the cycling stability.
Resumen de: US20260245965A1
0000 An electrolyte for a lithium secondary battery is provided that can improve the initial discharge characteristics, lifetime characteristics and output characteristics, etc. of a lithium metal secondary battery, and a lithium metal secondary battery comprising the same. The electrolyte may include a lithium salt; a non-aqueous organic solvent; an organic anti-solvent, wherein a solubility of the lithium salt in the organic anti-solvent is at least 10 times lower than a solubility of the lithium salt in the non-aqueous organic solvent; and an additive including a fluorine-substituted ether compound.
Resumen de: US20260246074A1
Disclosed is a battery pack, which includes a plurality of battery modules; a pack tray having an open upper portion and an inner space accommodating the plurality of battery modules, the pack tray including a beam frame arranged between the battery modules adjacent to each other and partitioning the inner space; a pack cover covering the open upper portion of the pack tray; and a plurality of flame blocking units, each flame blocking unit connected to the beam frame and covering a corresponding battery module at a lower portion of the pack cover to block a flame emitted from the corresponding battery module.
Resumen de: US20260246030A1
0000 A pouch sealing device including a sealer configured to seal a sealing target region of one of a plurality of edge portions of a pouch in which an electrode assembly is accommodated, a cooler configured to cool a cooling target region of the pouch located between an internal space of the pouch in which the electrode assembly is accommodated and the sealing target region, and a controller configured to control the cooler to perform a pre-cooling mode in which the cooling target region is cooled and thereafter control the sealer to perform a sealing mode in which the sealing target region is heated.
Resumen de: EP4794099A1
An electrode assembly according to some embodiments may include a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The separator may include a protrusion protruding from the first electrode and the second electrode, and a protective layer may be disposed on the protrusion.
Resumen de: EP4794088A1
A cell cover plate, a cell, and a battery pack are provided by the present disclosure. The cell cover plate includes a cover plate body. The cover plate body includes a top surface and a bottom surface opposite to each other. The cover plate body is provided with a liquid injection hole. The liquid injection hole penetrates through from the top surface to the bottom surface. The bottom surface is configured to face a cell pack, at least a partial region on the bottom surface is configured as a flow guiding surface. The flow guiding surface is adjacent to the liquid injection hole. The flow guiding surface is inclined from the liquid injection hole in a direction away from the top surface.
Resumen de: EP4794100A1
0001 The present disclosure provides a battery, an energy storage device, and an energy storage system. The battery of the present disclosure includes a positive electrode sheet, a separator, and a negative electrode sheet. The separator is disposed between the positive electrode sheet and the negative electrode sheet. The separator includes a substrate film, a first adhesive layer, and a second adhesive layer. The first adhesive layer is disposed between the substrate film and the positive electrode sheet for bonding the substrate film to the positive electrode sheet, and the second adhesive layer is disposed between the substrate film and the negative electrode sheet for bonding the substrate film to the negative electrode sheet. The battery satisfies the relationship: 0.85≤(Fc·Wc)/(Fa·Wa)≤6.36; where Fc is the peel strength between the first adhesive layer and the positive electrode sheet, Wc is the coating amount per unit area of the first adhesive layer on the substrate film, Fa is the peel strength between the second adhesive layer and the negative electrode sheet, and Wa is the coating amount per unit area of the second adhesive layer on the substrate film.
Resumen de: EP4794031A1
The present disclosure provides a lithium supplement and belongs to the technical field of energy storage. The lithium supplement includes: a rich-lithium lithium iron oxide material, and a coating layer coated on a surface of the rich-lithium lithium iron oxide material. A material of the coating layer includes lithium pyrophosphate. The present disclosure is beneficial for solving technical problems such as poor stability in air and poor safety of the rich-lithium cathode materials in related technologies to achieve effectively supplementation.
Nº publicación: EP4794066A1 19/08/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Resumen de: EP4794066A1
0001 A secondary battery includes a case, an electrode assembly inside the case, a cap plate coupled to the case, the cap plate sealing the case, a tab member extending from the electrode assembly in a first direction, a terminal protruding outward from the cap plate, the terminal facing the tab member, a support plate in the tab member in a second direction intersecting the first direction, and a connecting member between the tab member and the terminal, the connecting member connecting the tab member and the terminal.
BOPI
Sede Electrónica
