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1545
resultados
Última actualización
28/10/2025 [07:18:00]
Resultados 125 a 150 de 1545
Resumen de: US2025329887A1
The invention relates to a battery and battery busbar. The battery busbar comprises a conducting contact plate configured to contact a terminal of a first battery cell and a terminal of a second battery cell. A lip or lips extend perpendicular to the contact plate, such that the lip or lips engage with an external perimeter of one or both of the terminal of the first battery cell and terminal of the second battery cell. This secures the busbar in position with respect to the terminals of the first battery cell and second battery cell in at least two directions. The busbar may then be secured in position relative to the terminals in a third direction, for example by welding or mechanical fasteners.
Resumen de: US2025329894A1
The all-solid-state battery includes a stack of a plurality of battery units including a first current collector layer, an electrode layer, a second current collector layer, an electrode layer, and a first current collector layer in this order. The stacked body includes a battery unit X and a battery unit Y that are adjacent to each other, and a fixing unit that fixes the battery unit X and the battery unit Y. The fixing unit is in contact with the electrode layer of the battery unit X and the electrode layer of the battery unit Y, respectively.
Resumen de: US2025329710A1
Disclosed are a negative electrode plate and a processing method therefor, a battery, and an electrical apparatus. The processing method for a negative electrode plate includes: performing combusting treatment on a specified part of the negative electrode plate, where the specified part at least includes an edge of the negative electrode plate, and the combusting treatment includes combusting a fuel gas and heating the specified part using generated flames. In the processing method for a negative electrode plate, the edge of the negative electrode plate is subjected to combusting treatment to ablate burrs by the flames, which facilitates ameliorating the burr problem of the negative electrode plate at the edge.
Resumen de: US2025329891A1
A cylindrical battery, an electronic device, and a manufacturing method of the cylindrical battery is provided. The cylindrical battery includes a housing, an electrode assembly disposed within the housing, and a current collecting member electrically connected to the electrode assembly. The housing includes a sidewall, and one end of the sidewall is formed with an opening. The position of the sidewall near the opening includes a groove that is recessed towards the interior of the housing. The current collecting member is at least partially disposed between the electrode assembly and the groove. The current collecting member includes a current collecting body and a connecting piece attached to the periphery of the current collecting body. The connecting piece is bent towards the axis of the housing and welded to the surface of the groove facing the electrode assembly to form a welded part.
Resumen de: US2025329711A1
Alkaline electrochemical cells are provided, wherein methods to decrease or eliminate shorting in batteries by preventing zinc oxide reaction precipitate from creating a conductive bridge between the two electrodes. The alkaline electrochemical cell comprises solid zinc oxide particles in the anode and dissolved zinc oxide or zinc hydroxide in one or more of the catholyte, the anolyte, and the free electrolyte. Optimally, the solid zinc oxide particles have a large Brunauer, Emmett, and Teller (BET) surface area and/or a large median particle size (D50). The cells may also comprise a certain amount of surfactant in the separator.
Resumen de: US2025329715A1
An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode. At least one of the electrodes can include an electrode film prepared by a dry process. The electrode film, the electrode and/or the separator can comprise a salt, improved porosity, increased density, be prelithiated, and/or a foam. An energy storage device can include a dry composite solid polymer electrolyte (SPE) film. Processes and apparatuses used for fabricating the composite solid polymer electrolyte film, electrode and/or electrode film are also described.
Resumen de: US2025329746A1
Composite particles for a non-aqueous secondary battery electrode contain an electrode active material, a water-soluble polymer, and a binder composition. A particle diameter retention rate of the composite particles expressed by a formula: particle diameter retention rate of composite particles=D50(A) diameter/D50(B) diameter×100 (%) is 70% or more, given that in dry cumulative particle diameter measurement by laser diffraction/scattering, a volume-based median diameter (D50) of the composite particles when dispersing air pressure during measurement is set as 0.25 MPa is taken to be a D50(A) diameter and a volume-based median diameter (D50) of the composite particles when dispersing air pressure during measurement is set as 0.00 MPa is taken to be a D50(B) diameter.
Resumen de: US2025329717A1
The present disclosure provides an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the electrode. The electrode includes an electrode active material layer, wherein the electrode active material layer is a dry electrode film including an active material having a catecholamine-based compound-containing layer and a first binder having a catecholamine-based compound-containing layer.
Resumen de: US2025329809A1
The present disclosure relates to a reconfigurable battery system and method of operating the same. An example apparatus includes at least one memory, instructions in the apparatus, and processor circuitry to execute the instructions to determine a state of charge of a battery, determine a closed circuit voltage of the battery, determine a value of a parameter based on a ratio of the state of charge and the closed circuit voltage, and control a switch coupled to the battery based on the value of the parameter, the controlling of the switch to either cause the battery to be coupled to a battery string or cause the battery to be disconnected from the battery string.
Resumen de: US2025329871A1
The present disclosure provides a method of manufacturing a separator for a lithium secondary battery, the method including a step (S1) of preparing a slurry in which a binder polymer is dissolved and inorganic particles are dispersed, the slurry being prepared by adding and mixing the binder polymer and the inorganic particles in a solvent, and a step (S2) of forming a porous coating layer by applying and drying the slurry on at least one surface of a porous polyolefin polymer substrate having a plurality of pores. The thickness of the porous polyolefin polymer substrate is 9 μm or less, the D90 particle size of the inorganic particles dispersed in the slurry is 3 μm or less, and the surface roughness Ra of the porous coating layer is 50 to 500 nm.
Resumen de: WO2025218745A1
Provided in the present disclosure is a cooling plate. A liquid flow channel of the cooling plate comprises a flow channel inlet section and a flow channel outlet section, wherein refrigerants enter the liquid flow channel via the flow channel inlet section, and then flow out via the flow channel outlet section; and a refrigerant in the flow channel inlet section can exchange heat with a refrigerant in the flow channel outlet section. By means of the above design in the present disclosure, the cooling plate can function as an intermediate heat exchanger, thereby preventing the problems of increased costs, a large occupied space, etc. caused by the additional provision of an intermediate heat exchanger of a complex structure and a connecting component.
Resumen de: WO2025218803A1
Disclosed are a battery pack and an electric device. A current collector is arranged on a first face of a liquid cooling plate, and a first cavity and a second cavity are provided inside the current collector; a first liquid outlet and a second liquid outlet are provided in a first wall of the current collector, a second liquid inlet is in communication with a first liquid inlet, and the second liquid outlet is in communication with the first liquid outlet, thereby separating incoming liquid from outgoing liquid to avoid the situation of cross flow; and openings are provided in a second wall, the first wall located at the periphery of the first liquid outlet is sealingly connected to the first face by means of the openings, and the first wall located at the periphery of the first liquid inlet is sealingly connected to the first face by means of the openings, thereby achieving the sealing of the communication position between the first liquid outlet and the second liquid outlet and the sealing of the communication position between the first liquid inlet and the second liquid inlet.
Resumen de: WO2025218819A1
Provided in the present disclosure are a carbon-based material and a preparation method therefor, a secondary battery and an electric device. The carbon-based material is granular, and has a degree of sphericity of 0.5-1.0. The carbon-based material satisfies: D1/D2 being 0.4-0.62, and D2/D3 being 0.1-0.16, wherein D1 is the proportion of the total volume of particles having a particle diameter of smaller than or equal to 3 μm in the carbon-based material to the total volume of all the particles in the carbon-based material; D2 is the proportion of the total volume of particles having a particle diameter of greater than 3 μm and less than 5 μm in the carbon-based material to the total volume of all the particles in the carbon-based material; and D3 is the proportion of the total volume of the particles having a particle diameter of greater than or equal to 5 μm in the carbon-based material to the total volume of all the particles in the carbon-based material.
Resumen de: WO2025218794A1
A threaded connecting member (100), comprising a threaded rod (10) and a flange (20). The threaded rod is used for being in threaded connection with a member to be connected; the flange is provided with a pressing surface (21), and one end of the threaded rod is connected to the pressing surface; the pressing surface is used for pressing on the member to be connected, an anti-scraping arc surface (22) is provided around the periphery of the pressing surface, and the anti-scraping arc surface is tangentially arranged with the pressing surface. The threaded connecting member can solve the technical problem that cutting-induced burrs and debris are easily generated on members to be connected. The present invention further relates to a battery pack.
Resumen de: US2025330737A1
A wearable power supply for AirPods® wireless earbuds includes two charging heads for charging the AirPods® wireless earbuds, a charging body neck brackets, and connecting leads. The charging body is connected to the neck brackets; an outer part of each of the neck brackets is a silicone housing. An inner part of each of the neck brackets is a memory steel wire. The two charging heads are connected to the charging body through the connecting leads passing through the neck brackets. Each of the two charging head defines an earbud communication microphone channel. The charging head is provided with a first printed circuit board welded with charging contact terminals and a second printed circuit board welded with a charging indicator lamp. The charging contact terminals are configured to connect to charging contact points of the AirPods® wireless earbud.
Resumen de: US2025331112A1
An energy storage device and a control box therein are disclosed. The control box includes a first wall, a switch assembly mounted on the wall, and a protective cover positioned over the switch assembly. The cover is rotatably connected to the first wall by a first connecting piece and secured in place by a detachable second connecting piece. This structure reduces the risk of environmental contaminants entering the control box when the switch assembly is not in use, thereby enhancing device reliability. When operation or maintenance is required, the protective cover can rotate relative to the wall without being fully removed, minimizing the risk of misplacement and improving ease of access. This design provides effective protection of the switch assembly and helps reduce control box failure.
Resumen de: US2025330049A1
The present disclosure relates generally to a wireless charging system for charging batteries in a medical environment. The wireless charging system may include a power transmitter and a power receiver. The power transmitter produces a strong near-distance magnetic field and transmits the magnetic field via a transmitting antenna to a power receiver. The power receiver may receive the transmitted magnetic field via a power receiver antenna. The converted electrical power may charge multiple rechargeable batteries (e.g., lithium batteries) simultaneously with high efficiency (e.g., more than hundreds of charge/discharge cycles).
Resumen de: US2025330033A1
A plurality of battery units is accessed. The battery units contain one or more battery cells. The plurality of battery units is configured by a master controller, using programmable switches. The master controller monitors battery cell health based on sensors within each of the battery units. The master controller determines a battery cell, within the plurality of battery units, requiring rejuvenation. The programmable switches are reconfigured to supply a rejuvenation current through the battery cell. The master controller configures the programmable switches to shape the rejuvenation current into a pulse train. The rejuvenating of the battery cell is accomplished in situ, based on a voltage, an amperage, a frequency, a duty cycle, and a duration of the rejuvenation current. The rejuvenating can be customized for each battery cell and adjusted based on additional monitoring.
Resumen de: US2025330043A1
A method including receiving, from a user, a rate profile. The method further including generating, using an electronic processor and based on the rate profile, a charging profile. The method further including charging, using a charging controller of a charger coupled to the electronic processor, based on the charging profile.
Resumen de: US2025329796A1
An electrode assembly includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a coating layer formed on one surface of the separator, wherein a 90° peel strength between the separator and the coating layer measured at 60° C. is 30 gf/25 mm to 140 gf/25 mm.
Resumen de: US2025329853A1
According to an embodiment of the present disclosure, a battery module may include a cell unit stack including a plurality of cell units stacked in one direction, a bus-bar frame assembly disposed inside the cell unit stack and configured to electrically connect pouch-type battery cells to each other, and a module case configured to store the cell unit stack and the bus-bar frame assembly. Each cell unit of the plurality of cell units may include at least one pouch-type battery cell, and a cell cover configured to surround the at least one pouch-type battery cell and the bus-bar frame assembly and have an open bottom. Additionally, a battery pack may include the battery module.
Resumen de: US2025329727A1
Rechargeable lithium-ion cells and implantable medical devices including the same are provided herein with improved energy density, upper recharge voltages, and long-term stability. Rechargeable lithium-ion cells provided include an LTO negative electrode having one or both of a high negative electrode area specific capacity and a high active material loading value and an LCO positive electrode having one or both of high LCO utilization and high density.
Resumen de: US2025329797A1
Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 below as a first additive, and a compound represented by Formula 2 or Formula 3 below, as a second additive:wherein all the variables are described herein.
Resumen de: US2025329795A1
Disclosed are an aqueous localized high-concentration electrolyte (LHCE) and a preparation method thereof, and a sodium-ion battery, which belong to the technical field of electrolyte materials. The aqueous LHCE includes a sodium salt, water, an organic solvent, and 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether, wherein a volume ratio of the water to the organic solvent is in a range of 1:5 to 1:7; and an amount of the 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether in moles is not larger than an amount of the organic solvent in moles.
Nº publicación: US2025329846A1 23/10/2025
Solicitante:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US2025329846A1
The size of an electric storage apparatus is reduced. An electric storage apparatus according to the present disclosure includes: a first cover; a plurality of battery cells including a pair of electrode terminals disposed above the first cover; a reinforcement member disposed between the plurality of battery cells; and a second cover disposed below the first cover, in which the electric storage apparatus includes a first connection member configured to connect the first cover to the second cover, the first connection member being disposed between the first cover and the second cover, and at least a part of the first connection member overlaps with the reinforcement member as viewed from an up-and-down direction.
BOPI
Sede Electrónica
