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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 1025 a 1050 de 1468
Resumen de: US20260081206A1
A negative electrode active material for a non-aqueous electrolyte secondary battery containing negative electrode active material particles which include silicon compound particles containing a silicon compound (SiOx: 0.5≤x≤1.6), wherein the silicon compound particles are a negative electrode active material for a non-aqueous electrolyte secondary battery containing a Li compound, the material particles are at least partially coated with a carbon coating, an amount of the carbon coating relative to a total amount of the silicon compound particles and carbon coating is larger than 0 mass % and 1 mass % or less, the carbon coating contains a coating composed of at least any one of a compound having O—C═O bond and a compound having C—C bond, and the silicon compound particles contain crystalline Li2SiO3 as the Li compound. Thereby, the negative electrode active material for a non-aqueous electrolyte secondary battery having a large capacity, excellent cycle characteristics, and first-time efficiency is provided.
Resumen de: US20260081205A1
A jelly-roll type electrode assembly in which a positive electrode, a separator, and a negative electrode are wound. The positive electrode includes a positive electrode edge portion adjacent to a winding center portion and a sealing portion surrounding the positive electrode edge portion. The positive electrode edge portion and the sealing portion each have at least a portion rounded. A method for manufacturing the jelly-roll type electrode assembly, and a secondary battery, a battery pack, and a moving means including the jelly-roll type electrode assembly are also disclosed.
Resumen de: US20260081329A1
A vehicle, a coolant system for a vehicle, and a method for assembling a coolant system are provided. A method includes providing a cooling plate formed with an external surface surrounding a port, and with an internal channel in communication with the port, wherein a plate engagement surface defines the internal channel adjacent to the port; sealing the port of the cooling plate with a cover; piercing the cover with a distal end of a coolant tube; inserting the distal end into the port to engage a tube engagement surface of the coolant tube with the plate engagement surface; and pushing a removed portion of the cover into the port, while a remaining portion of the cover remains around the port.
Resumen de: US20260081331A1
A drain valve includes a valve body, a valve core, a gas-generating substance, and a check member. The valve body has a liquid inlet and a liquid outlet. The valve core movably fits with the valve body to close the liquid outlet. The gas-generating substance is at least partially disposed within the valve body, and the gas-generating substance is configured to react with liquid water to generate a gas so as to push the valve core to open the liquid outlet. The check member is configured to allow the liquid water to enter the valve body from the liquid inlet and restrict gas from flowing out of the valve body through the liquid inlet. The gas-generating substance reacts with the liquid water to produce the gas, and the check member restricts the gas from flowing out of the valve body through the liquid inlet.
Resumen de: US20260081328A1
A secondary battery, a battery module, and an electronic apparatus are provided. The secondary battery includes a casing, an electrode assembly, and a current-collecting member. The casing includes an end wall provided with a first filling hole. The electrode assembly accommodated in the casing includes a first electrode sheet, a second electrode sheet, and a separator stacked and wound to form a wound structure. An end portion of the first electrode sheet includes an uncoated foil region extending from the separator in an axial direction of the electrode assembly and including a first cut segment and an uncut segment, and the uncut segment is bent to form a tab. The current-collecting member connected to the tab includes a second filling hole.
Resumen de: US20260081327A1
Systems are provided that enable external regress and service of a port assembly of a battery pack assembly. In one example, a system includes a first port casing member that is coupleable with a second port casing member that is tiered via a pair of fasteners that extend from the second port casing member to the first port casing member to compress a seal spaced between the first port casing member and the second port casing member, a port outlet positioned on a surface of the first port casing member, and a port inlet positioned on a surface of the second port casing member.
Resumen de: US20260081326A1
Electrolyte filling and soaking acceleration systems and methods are disclosed. An exemplary system for electrolyte acceleration of battery cells, such as lithium ion battery cells or similar products, includes an electrolyte conditioning system and an assessment system. The electrolyte conditioning system can accelerate the filling and soaking process by transmitting ultrasound of a first ultrasound frequency, loaded from excitation parameters, into the battery cells to reduce electrolyte surface tension. The reduced surface tension enables the electrolyte to more easily infiltrate each battery cell and its structures, eliminating both pockets of unfilled electrolyte within the battery cell and gas bubbles in the electrolyte. The assessment system can perform ultrasound interrogation of the battery cell at a second frequency, generate soak characteristic data in response to the interrogation, and use the soak characteristic data to adjust the excitation parameters of the conditioning system to improve its performance.
Resumen de: US20260081201A1
A cell winding process, a cell winding device, a cell, a battery, and a power consuming device. A heating portion is arranged to heat a separator layer, such that a PCS polymer of the separator layer is melted at a high temperature, to bond a cathode electrode plate to an anode electrode plate, and the cathode electrode plate is thus closely bonded and fixed to the anode electrode plate, thereby preventing the electrode plates from being retracted due to stress release after winding, which otherwise results in a gap.
Resumen de: US20260081200A1
An apparatus for manufacturing a secondary battery and a method for manufacturing a secondary battery using the apparatus, the apparatus for manufacturing a secondary battery including a rod extending in a longitudinal direction and a tab pressing portion at an end portion of the rod having a relatively higher heat resistance than the rod.
Resumen de: US20260081196A1
A device may include a decellularized biological scaffold, a first electrode, and a second electrode, wherein the decellularized biological scaffold is in electrical and/or chemical communication with the first and second electrodes. In one example, the device is a battery and the device may include an electrolyte layer supported on the decellularized biological scaffold; an anode layer disposed on a first side of the electrolyte layer; and a cathode layer disposed on second side of the electrolyte layer, opposite the anode layer. The electrolyte layer may include a plant-based conductive hydrogel and/or a PEDOT collagen matrix. The anode and/or the cathode layer may comprise metallic vesicles secreted by a plant.
Resumen de: US20260081185A1
In one aspect, a method for manufacturing a battery includes forming a battery cell relative to a substrate using a layer-deposition sub-process, with the layer-deposition sub-process including: depositing a layer of first electrode material relative to the substrate; depositing a first layer of electrolyte material on top of the layer of first electrode material; depositing a layer of second electrode material on top of the first layer of electrolyte material; and depositing a second layer of electrolyte material on top of the layer of second electrode material. Additionally, the method includes cycling through the layer-deposition sub-process one or more additional times to form one or more additional battery cells relative to the substrate, with each additional battery cell being formed on top of a previously formed battery cell such that a battery cell stack is created relative to the substrate.
Resumen de: US20260081178A1
This application relates to a positive electrode plate and an electrochemical device. The positive electrode plate includes a current collector, a positive electrode active material layer and a safety coating disposed between the current collector and the positive electrode active material layer, wherein the safety coating includes a polymer matrix, a conductive material and an inorganic filler; and wherein the polymer matrix is fluorinated polyolefin and/or chlorinated polyolefin having a crosslinked structure. When the electrochemical device (such as a capacitor, a primary battery, or a secondary battery) is in a high temperature condition or an internal short circuit occurs, the positive electrode plate can quickly disconnect the circuit, thereby improving the high temperature safety of the electrochemical device.
Resumen de: US20260081323A1
A battery and a battery manufacturing method are provided. The battery includes a battery casing, a cell, a first insulating film, and a second insulating film. The cell is disposed in the battery casing and includes a cell body and a tab portion, and the tab portion extends from a side surface of the cell body. The first insulating film covers at least a portion of the cell body. The second insulating film is independent from the first insulating film. The second insulating film covers an upper surface of the first insulating film and covers at least a portion of the tab portion, and the first insulating film is located between the cell body and the second insulating film.
Resumen de: US20260081322A1
This application provides a battery cell assembly, a battery, and an electronic device. The battery cell assembly includes a battery cell and a first tab glue. The battery cell includes a battery cell body and a tab. The tab extends relative to the battery cell body. The tab includes a fixed tab portion and a bent tab portion. The fixed tab portion is fastened to the battery cell body, and the bent tab portion is fastened to an end that is of the fixed tab portion and that is away from the battery cell body. The first tab glue is provided on an inner side surface of the fixed tab portion, and an inner side surface of the bent tab portion is exposed relative to the first tab glue.
Resumen de: US20260081324A1
A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed therebetween, a can accommodating the electrode assembly, and a terminal portion including a rivet terminal coupled to one side of the can in a longitudinal direction and electrically connected to the first electrode plate, and an insulator between the can and the rivet terminal to insulate the can from the rivet terminal, and having a stepped structure in an area contacting the rivet terminal. By reducing or minimizing a height difference between the positive electrode terminal and the insulator, shape deformation of the electrode assembly can be reduced or prevented during the manufacturing process. By reducing the thickness and weight of the insulator, the size of the electrode assembly can be increased, and the capacity of the secondary battery can be increased.
Resumen de: US20260081320A1
An electrical conduction assembly comprising a bus bar holder and a plurality of bus bars. The bus bar holder includes a lead-in structure coupled with a main body on a first side. The lead in structure includes a first lead-in wall to be disposed between a first plurality of battery cells and a second lead-in wall orthogonal to the first lead-in wall. The bus bar holder can also include a plurality of pockets, each of which includes a respective aperture and a respective recess. Also disclosed is a battery including the electrical conduction assembly.
Resumen de: US20260081296A1
A battery cell, a battery, and an electrical apparatus are disclosed. The battery cell includes a shell having a first wall and a second wall joined together. The first wall is formed with a groove that ruptures during pressure relief to release internal pressure. The second wall is located adjacent to the first wall in a first direction, and the groove includes a segment aligned with the second wall in that direction. The first wall also has a second groove, and in the thickness direction of the first wall, the projection of the second groove lies between the projection of the groove segment and the outer surface of the second wall. This structure allows the second groove to absorb excess material produced during formation of the first groove segment, thereby reducing arching or loss of flatness in the first wall and improving stability of the battery cell.
Resumen de: US20260081138A1
Disclosed is a lithium ion battery. The lithium ion battery includes a positive electrode plate, a negative electrode plate and a separator. The positive electrode plate, the separator and the negative electrode plate are stacked successively and then wound from inside to outside. The positive electrode plate includes a positive electrode current collector. At least one functional surface of the positive electrode current collector is provided with a protective layer. A surface of the protective layer away from the positive electrode current collector is provided with a positive electrode active layer. A length of the protective layer is greater than a length of the positive electrode active layer in a winding direction of the positive electrode current collector. According to the present application, by increasing a protection area of the protective layer for a positive electrode current collector, safety performance of the lithium ion battery is improved.
Resumen de: US20260081143A1
A metalized separator includes: a separator substrate having a first surface; and a layer of metallic active anode material deposited on the first surface. The layer of metallic active anode material may be deposited by physical vapour deposition (PVD). A separator assembly including the metalized separator, a battery cell containing one or more of the metalized separators, and a process of producing the metalized separator, are also disclosed.
Resumen de: US20260081166A1
A cured product for lithium ion secondary batteries includes water-soluble polymers, a crosslinking agent and cellulose nanofibers. The crosslinking agent crosslinks different water-soluble polymers or the water-soluble polymer and the cellulose nanofibers. When wide-angle X-ray scattering (WAXS) measurement is performed using CuKα rays, the diffraction angle 2θ has a peak in a range of 16° or more and 21° or less. The half-value width of the peak is 5.5° or less.
Resumen de: US20260081164A1
A binder composition for a non-aqueous secondary battery electrode contains a polymer X that includes an acidic group-containing monomer unit in a proportion of not less than 3 mass % and not more than 20 mass % and a repeating unit derived from an unsaturated monomer A in a proportion of not less than 5 mass % and less than 50 mass %. The unsaturated monomer A has a solubility in water of not less than 1 g/100 mL and not more than 15 g/100 mL and has a glass-transition temperature of 40° C. or lower.
Resumen de: US20260081140A1
Provided herein are methods of preparing electrodes. The method comprises: combining an electroactive material, an electron conductive material, an electrolyte, and a polymeric binder, to form an active mixture; and shaping the active mixture to form an electrode. In some embodiments, the electrolyte comprises a salt and a nonaqueous solvent of the salt. In some embodiments, the solvent of the salt does not dissolve the polymeric binder. In some embodiments, the method does not include a drying step to remove the solvent and the nonaqueous solvent remains in the active mixture and the electrode. In some embodiments, the electrode as prepared has an areal capacity of at least 2 mAh/cm2 and a thickness of at least 30 μm.
Resumen de: US20260081281A1
A battery box, a battery, a battery mounting frame, a vehicle frame, and an electric apparatus, where the battery box includes: a box body; and a first buffer member, arranged on an outer wall surface of the box body, where the first buffer member has a first buffer surface facing away from the interior of the box body, and the first buffer surface is configured as intersecting with both a horizontal plane and a vertical plane perpendicular to the horizontal plane.
Resumen de: US20260081249A1
A method for recycling lithium batteries containing the steps: (a) digesting comminuted material (10), which contains comminuted components of electrodes of lithium batteries, using concentrated sulphuric acid (12) at a digestion temperature (TA) of at least 100° C., in particular at least 140° C., so that waste gas (14) and a digestion material (16) are produced, (b) discharging the waste gas (14) and (c) wet chemical extraction of at least one metallic component of the digestion material (16).
Nº publicación: US20260081245A1 19/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US20260081245A1
A battery pack, in which an internal temperature and an external temperature of the battery pack are measured at a predetermined period from different temperature sensors installed in each of battery cells, a BMS, and a pack case of the battery pack and then be compared with a predetermined reference value to perform battery overheating diagnosis, in particular, determine whether causes of the overheating are due to internal or external factors of the battery pack, and a method for diagnosing the overheating.
BOPI
Sede Electrónica
