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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 325 a 350 de 1509
Resumen de: WO2026051311A1
The present application relates to the technical field of batteries, and in particular to a battery cell cover plate and a battery cell. The battery cell cover plate comprises: a cover plate body provided with a mounting hole, the mounting hole being provided with a first mounting part and a second mounting part; a pressure relief member provided on the first mounting part; and a support member provided on the second mounting part, wherein the pressure relief member abuts against the support member, the support force provided by the support member to the pressure relief member is F, in units of N, the weight of the battery cell is G, in units of N, and G/F≤0.12. In the present application, the mounting hole on the cover plate body is divided into two parts, i.e., the first mounting part and the second mounting part. The first mounting part is used for mounting the pressure relief member, and the second mounting part is used for mounting the support member. By providing the support member, the structural strength of the area of the cover plate body where the pressure relief member is mounted can be effectively improved, and the pressure relief member abuts against the support member, so that the support member can also serve as a support platform for the pressure relief member, thereby ensuring that the pressure relief member is reliably and firmly mounted, and improving the safety of the battery cell.
Resumen de: US20260074216A1
Disclosed are positive electrodes, all-solid-state batteries, and fabrication methods thereof. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a sulfide-based solid electrolyte, a binder that includes a first non-aqueous binder and a second non-aqueous binder, and a positive electrode active material. The first non-aqueous binder includes a fluorine-based binder. The second non-aqueous binder includes an acrylate-based binder.
Resumen de: US20260074200A1
A coated active material (100) of the present disclosure includes: a positive electrode active material (11); lithium hydrogen carbonate present on a surface of the positive electrode active material (11); and a coating layer (12) coating at least a portion of the surface of the positive electrode active material (11). The coating layer (12) includes a lithium-containing fluoride. When a mass of the lithium hydrogen carbonate present on the surface of the positive electrode active material (11) is measured by thermogravimetry-mass spectrometry, a proportion R1 of the mass of the lithium hydrogen carbonate in a mass of the positive electrode active material (11) is 130 ppm or more and 580 ppm or less.
Resumen de: US20260074202A1
Described herein is a molten-salt Na—O2 battery which includes a first electrode including liquid Na in direct contact with a solid-state electrolyte; and a composite second electrode in contact with the solid-state electrolyte, wherein the composite second electrode includes: particles having an oxygen-active metal surface; and a molten salt comprising redox-active ions; and O2 in contact with the composite second electrode; where the solid-state electrolyte is disposed between the first electrode and the composite second electrode. Methods of making the battery and methods of producing electricity with the battery are also described.
Resumen de: US20260074226A1
Disclosed are electrodes, rechargeable lithium batteries, and fabrication methods thereof. The electrode includes a current collector, and an electrode active material layer on the current collector. The electrode active material layer includes a groove. The groove includes a filler including a first binder. The first binder in the filler is present in an amount that is equal to or greater than about 90 wt %.
Resumen de: US20260074218A1
A positive electrode active material for a lithium-ion secondary battery, containing, as a main component, a lithium transition metal composite oxide that is in a form of a particle having an outer layer on a surface thereof, and is represented by:where 0.95≤x≤1.05, 0.78≤y≤0.95, 0.01≤z≤0.15, and 0.01≤w≤0.15, and x+y+z+w=2,a ratio between a ratio of the number of atoms of Fe to that of Ni in the outer layer and a ratio of the number of atoms of Fe to that of Ni in the entire particle is 0.7 to 1.7, inclusive anda ratio (I1/I2) between integrated intensities (I1) and (I2) of diffraction peaks of a 003 plane and a 104 plane, respectively, in a space group R-3m is 1.15 to 1.35, inclusive.
Resumen de: WO2026054860A1
The present disclosure provides for batteries including an all-active material cathode, methods of making material cathodes, and the like. The battery can be a single-use battery, in other words, the battery does not need to be rechargeable. The cathode architecture of the present disclosure is referred to as an all-active material (AAM) electrode. AAM architecture can produce improved volume loading efficiency in the cell, removal of inactive components that can reduce efficiency of the battery, improved mechanical characteristics, and a homogeneous material distribution.
Resumen de: WO2026054345A1
A battery diagnosis apparatus, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a temperature profile indicating a temperature change of a battery cell with respect to a voltage change of the battery cell, and a capacity profile indicating a capacity change of the battery cell with respect to the voltage change of the battery cell; and at least one processor, wherein the at least one processor is configured to estimate a degradation level indicating a degree to which the battery cell is degraded by using identification of a first peak value, indicating a phase transition of the battery cell, on the basis of the temperature profile, and identification of a first point corresponding to the first peak value from the capacity profile.
Resumen de: WO2026054342A1
A technical idea of the present invention provides an inspection apparatus comprising: an inspection jig that includes a first jig having a plurality of first pressure sensing elements and a second jig having a plurality of second pressure sensing elements, and is configured to generate thickness data for the thickness of a battery cell while the battery cell provided between the first jig and the second jig is in contact with the first jig and the second jig; and a processor configured to detect a bending dimension and a bending shape of the battery cell on the basis of first pressure data generated by the plurality of first pressure sensing elements, second pressure data generated by the plurality of second pressure sensing elements, and the thickness data.
Resumen de: US20260074272A1
Disclosed is an assembly comprising at least one cell comprising an exterior surface; a bag with an interior surface and an exterior surface, wherein the bag surrounds the at least one cell; an inert gas filling a space between the interior surface of the bag and the exterior surface of the at least one cell; and a casing surrounding the bag, wherein the bag exerts a compressive pressure, via the inert gas, on the at least one cell.
Resumen de: US20260074274A1
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to the case to seal the case, and the case includes a bottom portion, long side portions bent and extended from the bottom portion, a first short side portion bent and extended from the bottom portion, and second short side portions bent and extended from the long side portions, and the first short side portion and the second short side portions are connected to one another to define a short side portion.
Resumen de: US20260074268A1
A method for manufacturing an electrode assembly includes preparing a cell stack and forming a bonding part. In the preparing, a first electrode and a second electrode having a width greater than that of the first electrode are alternately stacked with a separator therebetween. In the forming, a bonding part is folded toward the cell stack by bonding the plurality of separators protruding outward further than the first electrode and the second electrode to each other. An electrode assembly is also provided.
Resumen de: US20260074269A1
Provided is a pressing apparatus for a secondary battery for improving the efficiency of a secondary battery manufacturing process and the performance or structural stability of the secondary battery. The pressing apparatus for the secondary battery includes a case part for arranging a plurality of secondary batteries along one direction, an end plate configured to be movable inside the case part in the one direction and apply pressure to the secondary batteries in the one direction, a pulley part connected to one side of the end plate, and a wire part configured to be wound around the pulley part and to transmit power in the one direction to the pulley part to move the end plate along the one direction.
Resumen de: US20260074271A1
This application discloses a down-pressing mechanism, a pressurizing apparatus, and a battery production device. The down-pressing mechanism includes a pitch adjustment unit and multiple down-pressing members, where the pitch adjustment unit includes a base plate and multiple pitch adjustment members arranged sequentially along a first direction on the base plate. At least one pitch adjustment member is capable of moving along the first direction. Each down-pressing member is connected to a corresponding pitch adjustment member. The down-pressing members are configured to press a product.
Resumen de: US20260074261A1
A pressing apparatus according to embodiments of the present disclosure may include a driver, a cylinder configured to move in response to driving of the driver, and a regulator configured to control an internal pressure of the cylinder, wherein the cylinder moves upwardly by a first distance in response to driving of the driver, and a portion of the cylinder is configured to move upwardly by a second distance in response to the internal pressure of the cylinder controlled by the regulator to provide a pressing force to at least a portion of a secondary battery.
Resumen de: US20260074267A1
An electrode assembly having a wound stacked structure, a first separator, a second electrode, and a second separator are sequentially stacked is provided. The electrode assembly includes a support portion provided on the inner wall of a central winding hole formed in a core of the electrode assembly by winding the stack so as to provide rigidity to the inner wall.
Resumen de: US20260074265A1
An assembly apparatus and an assembly method. The assembly apparatus is configured to assemble a battery cell. The assembly apparatus includes a first guide rail mechanism, where the first guide rail mechanism is located at a housing entry station, a gap is formed between the first guide rail mechanism and an adjacent second guide rail mechanism; a moving mechanism configured to convey an electrode assembly of the battery cell to the housing entry station; and a pressure measurement mechanism fixedly connected to the first guide rail mechanism, where the pressure measurement mechanism is configured to support weights of the first guide rail mechanism and the moving mechanism located on the first guide rail mechanism, and measure a pressure experienced by the electrode assembly during the process of placing the electrode assembly inside a housing.
Resumen de: US20260074260A1
An apparatus for transferring an electrode assembly includes a base, a support extending from the base, a gripper connected to the support, a driver configured to drive the gripper so that the gripper grips the electrode assembly, a transferer connected to the base and configured to move along a rail, and a controller configured to control the driver so that the gripper grips a side surface of the electrode assembly in a direction perpendicular to a long axis of the electrode assembly and to control the transferer so that the electrode assembly moves along the rail.
Resumen de: US20260074263A1
A secondary battery manufacturing apparatus and method are disclosed. The apparatus including: an air supply duct through which a flow of drying air is guided in a first direction; and a drying trunk connected to the air supply duct to guide the flow of the drying air in a second direction intersecting the first direction, wherein the air supply duct includes a plurality of air supply vanes, the drying trunk includes a plurality of drying vanes, the plurality of air supply vanes distribute the drying air and guide the flow of the drying air in a width direction of the air supply duct, and the plurality of drying vanes distribute the drying air and guide the flow of the drying air in a width direction of the drying trunk.
Resumen de: US20260074231A1
A coated active material of the present disclosure includes: a positive electrode active material; lithium carbonate present on a surface of the positive electrode active material; and a coating layer coating at least a portion of the surface of the positive electrode active material. The coating layer includes a lithium-containing fluoride. When a mass of the lithium carbonate present on the surface of the positive electrode active material is measured by neutralization titration, a proportion R1 of the mass of the lithium carbonate in a mass of the positive electrode active material is 0.43% or more and 1.4% or less.
Resumen de: US20260074237A1
A solid-state battery has a first collector, a first electrode layer, an electrolyte layer, a second electrode layer and a second collector in that order, wherein the first collector includes a resin layer that contacts the first electrode layer, the first electrode layer contains an electrode active material, and the electrode active material has an active material resin.
Resumen de: US20260074214A1
A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxygen, magnesium, and nickel. A median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. In EDX line analysis in a depth direction on a region of the positive electrode active material having a plane other than a (001) plane, a distribution of the magnesium partly overlaps with a distribution of the nickel. The conductive material adheres to part of the plane other than the (001) plane of the positive electrode active material.
Resumen de: US20260074205A1
A negative electrode structure for a secondary battery (10) includes: a body (12) that is in a form of a foil or a thin plate and contains zinc as a base material; and a non-electron conductive film (11) provided on at least a first surface of the body (12). The film (11) is stretchable. The film (11) includes: an opening portion (13) formed to expose a portion of a first surface of the body (12); and an electrode reaction inhibiting portion (14) that surrounds the opening portion (13) and inhibits an electrode reaction in the body (12). The film (11) is attached to the body (12) in a liquid-tight manner.
Resumen de: US20260074234A1
Examples of the disclosure include a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least one of copper and copper oxide. The metal layer includes a first metal layer on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer on the first metal layer and including a second copper. The adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Nº publicación: US20260074209A1 12/03/2026
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
Resumen de: US20260074209A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less.
BOPI
Sede Electrónica
