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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 125 a 150 de 1452
Resumen de: US2025141261A1
A surgical system including battery packs, a power subsystem and a controller is provided. The power subsystem is configured to connect at least two battery packs in parallel during a backup mode, disconnect the battery packs in a non-backup mode, and prevent each battery pack from charging one or more other battery packs during parallel operation. The controller is configured to individually charge each battery pack to a power capacity equal to or less than a predetermined power capacity, such as 100 Wh.
Resumen de: US2025141071A1
A battery, includes: electrode body including positive and negative electrodes being alternately layered in a first direction with separator provided therebetween. The positive electrode current collector has a first burr and the negative electrode current collector has a second burr. In the battery, either the following (A) or (B) is satisfied: (A) plural first burrs do not include a pair of first burrs in which protrusion directions of adjacent first burrs differ, and plural second burrs do not include a pair of second burrs in which protrusion directions of adjacent second burrs differ; or (B) plural first burrs include only one pair of first burrs in which protrusion directions of adjacent first burrs differ, and plural second burrs include only one pair of second burrs in which protrusion directions of adjacent second burrs differ.
Resumen de: US2025140978A1
A battery box and a manufacturing method for a battery box are provided. The battery box includes at least two welded bottom plates. Each of the bottom plates is provided with a fourth cavity. The fourth cavity is configured to circulate coolant. Each of the bottom plates includes a first side wall welded to the adjacent bottom plate. The first side wall has a set width W2. The outermost bottom plate includes a second side wall spaced apart from the first side wall. The second side wall has a set width W3, where 2W2>W3. The battery box of the present disclosure can solve the problem of high manufacturing difficulty of the battery box in the prior art due to high structural complexity of the battery box.
Resumen de: US2025140801A1
Disclosed is a cathode active material for secondary batteries including a core containing lithium transition metal oxide, a first coating portion formed on at least a part of the surface of the core, and a second coating portion formed on at least a part of the surface of the core where the first coating portion is not formed and optionally covering a surface of the first coating portion, wherein the first coating portion has a higher crystalline area proportion and the second coating portion has a higher amorphous area proportion. The cathode active material can improve structural stability and prevent electrolyte side reactions by effectively suppressing oxygen desorption or the like, thereby providing a secondary battery with desired characteristics.
Resumen de: US2025140800A1
The present disclosure provides an anode material and a lithium ion battery. The anode material comprises a composite, and the composite comprises a carbon matrix and an active material located in the carbon matrix, the active material comprises primary particles and/or agglomerates and aggregates, and a proportion of the aggregates in a total number of the primary particles, the agglomerates and the aggregates is smaller than or equal to 30%. According to the anode material and the lithium ion battery provided by the present disclosure, the volume expansion of the anode material can be reduced, and the rate performance and the cycle stability of the anode material are improved.
Resumen de: US2025140794A1
Disclosed are a positive electrode active material, a positive electrode including the same, and a rechargeable lithium battery, the positive electrode active material includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide and a second positive electrode active material including a lithium-manganese rich composite oxide in which a molar ratio of lithium to a total metal excluding lithium is about 1.1 to about 3 and a manganese content is greater than or equal to about 60 mol % based on 100 mol % of a total metal excluding lithium in the lithium-manganese rich composite oxide.
Resumen de: US2025140810A1
A positive electrode active material particle according to one aspect of the present invention may include a lithium composite oxide particle and a coating material including a coating element, in which the lithium composite oxide particle is a secondary particle formed by aggregation of two or more primary particles, the coating material is included on a surface of the secondary particle, the coating material is included in a grain boundary between the primary particles, calcium (Ca) is included in the positive electrode active material particle, and a calcium (Ca) content X included in the positive electrode active material is 0.003 mol %≤X≤0.03 mol %.
Resumen de: US2025140436A1
A power storage device with high output is provided, in which the specific surface area is increased while keeping the easy-to-handle particle size of its active material. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte. The negative electrode active material layer includes a negative electrode active material which is a particle in which a plurality of slices of graphite is overlapped with each other with a gap therebetween. It is preferable that the grain diameter of the particle be 1 μm to 50 μm. Further, it is preferable that the electrolyte be in contact with the gap between the slices of graphite.
Resumen de: US2025141040A1
A binder for a non-aqueous secondary battery separator to form a non-aqueous secondary battery separator excellent in flexibility, etc. is provided. An electricity storage device having excellent long-term storage stability etc. is also provided. The binder for a non-aqueous secondary battery separator includes a polymer (A) of a monomer mixture including a monomer having an acidic functional group, a monomer having an amide group, and an alkyl (meth)acrylate monomer, and a condensation product of a silane compound, and has a glass transition temperature of −60° C. to 60° C. The electricity storage device has a separator substrate provided with at least one protective layer between a pair of electrodes, in which the protective layer includes a polymer of an ethylenically unsaturated monomer, and a silane compound, and the silane compound has no ethylenically unsaturated group but has an alkyl group having 3 to 12 carbon atoms.
Resumen de: US2025140956A1
Some embodiments relate to a method for determining an internal temperature of a battery. The method includes obtaining an initial temperature condition of the battery indicative of battery temperature at an initial time, receiving an electrical current in the battery at a given time after the initial time, and receiving an ambient temperature associated with the battery at the given time. The method includes determining a heat generation rate in the battery based on an internal resistance of the battery and on the received current, and determining a temperature change of the battery at the given time from the initial time, the temperature change being determined based on the initial temperature condition and the heat generation rate. The internal temperature of the battery is determined based on the determined temperature change and the ambient temperature.
Resumen de: AU2024227142A1
Abstract Self-supported porous 3D flexible host anode for lithium metal secondary batteries having a primary coating >5 atomic wt% and in addition to < 5 atomic wt% of at least two additional lithiophilic elements, leading to synergistic plating and stripping effect of the alkali ions, wherein all the coating elements have the capability of forming intermetallic alloys with lithium and/or between themselves within the potential window range of 1.5 V and -0.5 V Vs Li/Li+, having a porosity of at least 70%, and a thickness between 10pm and 100pm, comprising a non-woven, woven or ordered arrangement of constituent fibres with a diameter ranging between 200 nm and 40 pm.
Resumen de: AU2023378026A1
A battery abnormality diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit which acquires voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit which identifies a designated first number of ranks of the plurality of battery units on the basis of the voltage-SOC profiles; and a diagnosis unit which diagnoses abnormalities in the plurality of battery units on the basis of changes in the ranks.
Resumen de: US2025140984A1
An electric work vehicle includes a battery housing and an air cooling system to cool air within the battery housing. The air cooling system includes a first evaporator and a second evaporator supported by the battery housing, and in a plan view, at least a portion of the first evaporator is forward of at least a portion of the second evaporator in a front-rear direction of the electric work vehicle.
Resumen de: US2025140981A1
A cooling device for an electric battery includes a casing formed from two sheets of flexible material which extend facing one another, the casing defining lateral edges, at least one fluid circulation channel extending between the sheets, and at least one inlet fluidic connector and at least one outlet fluidic connector. The cooling device also includes a rigid support structure having a first part and a second part shaped to clasp at least one of the lateral edges of the casing between them, the second part defining at least one hollowed-out portion intended to allow the casing to protrude from the support structure through said hollowed-out portion.
Resumen de: US2025140980A1
A thermal management arrangement for a battery pack, the arrangement comprising: a housing arranged to accommodate the battery pack, a port arrangement comprising at least one port, the port being arranged to allow for a heat-transfer medium to flow between an interior and exterior of the housing, an adapter arranged to be connected to the port for allowing the heat-transfer medium to flow from the interior of the housing to an interior of a further housing arranged to accommodate a further battery pack, and a hose connector arranged to be connected to the port for allowing a heat-transfer medium supply hose to be connected to the port.
Resumen de: US2025140988A1
A cell module for an electrical energy store of a motor vehicle includes at least two cell packs that are connected together and each have a plurality of interconnected storage cells, a cell module frame having at least two frame portions arranged adjacent to one another each for receiving one cell pack, a cover arranged on the cell module frame for covering the frame portions, and at least one heat-resistant firewall-type barrier arranged on the cover to overlap a transition between the two cell packs. The barrier is designed to divide a space adjacent to the cover into at least two fire compartments in order to prevent hot gas of a cell pack that is flowing into the space from spreading to an adjacent cell pack.
Resumen de: US2025140979A1
A battery system includes at least three battery units. Each of the battery units includes a battery cell and a cooling channel segment, and the cooling channel segment forms part of a cooling circuit of the battery system. The battery units are arranged in one or more rows such that each of the battery units faces at least one of the other battery units in the same or in another row, and at least two of the battery units that do not face each other are connected in series with one another via a respective cooling channel segment.
Resumen de: US2025140987A1
A heat insulation sheet contains a first inorganic particle, a second inorganic particle composed of a nanoparticle, and an inorganic fiber. A total content of the first inorganic particle and the second inorganic particle is 30 mass % or more and 90 mass % or less with respect to a total mass of the heat insulation sheet, D50 is 1 μm or more and 100 μm or less, and a ratio (D90/D10) is 10 or more and 1000 or less in a volume-based cumulative distribution of the first inorganic particle.
Resumen de: US2025140780A1
Herein are described processes for and machines adapted for the production of lithium coated conductive substrates having conductive substrate planar surfaces. The process can include providing a lithium coated conductive substrate and then calendering the coated-foil to provide the desired planar surface(s). In a preferable instance, the process provides double sided lithium carrying conducive substrates useful in lithium metal batteries. In another instance, the process provides single or double sided coated-foils carrying polymeric sheets. The machines for the production of the desired products preferably include apparatus for the deposition of lithium metal onto a conductive substrate and one or more calendering systems, preferable within a single vacuum chamber.
Resumen de: US2025140791A1
A method of manufacturing fibrillated fluffy powder includes: performing a first mixing to mix an active material and a conductive agent to obtain a first mixture; adding a first binder to the first mixture, performing a second mixing on the first binder and the first mixture to obtain a second mixture; adding a second binder solution to the second mixture, performing a third mixing on the second binder solution and the second mixture to obtain a third mixture; and performing a fourth mixing on the third mixture, heating the mixed third mixture to obtain the fibrillated fluffy powder.
Resumen de: US2025140792A1
A rechargeable lithium battery including a positive electrode, and the positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector, wherein the positive electrode active material layer includes a first positive electrode active material and a second positive electrode active material, the first positive electrode active material includes lithium nickel-based composite oxide and includes secondary particles composed of a plurality of primary particles, and an average particle diameter (D50) of the secondary particles is about 9 μm to about 25 μm, the second positive electrode active material includes lithium nickel-based composite oxide and comprises single particles, and an average particle diameter (D50) of the single particles is about 0.5 μm to about 5 μm.
Resumen de: US2025140445A1
A fire-resistant cable includes a cable core wire, a fire-resistant silicone sheath layer surrounding portions of the cable core wire excluding both ends thereof and ceramicized at high temperatures to support the cable core wire, and a metal case accommodating the cable core wire and the fire-resistant silicone sheath layer. Both sides of the metal case are provided with openings through which opposite ends of the cable core wire are drawn out to the outside. The fire-resistant cable can be used in a battery pack.
Resumen de: US2025140777A1
A method for manufacturing an electrode for a secondary battery, includes: ejecting, by an ejector, a first slurry and a second slurry at a variable ejection ratio that varies in response to control signals from a controller; coating, by a coater, the first slurry and the second slurry ejected at the variable ejection ratio onto a current collector in a longitudinal direction of the current collector; and drying, by a dryer, the first slurry and the second slurry coated onto the current collector.
Resumen de: AU2025202683A1
A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a predetermined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period. The cycler may also be configured to have a heater control system that monitors both the temperature of a heating tray and the temperature of a bag of dialysis fluid in order to bring the temperature of the dialysis fluid rapidly to a specified temperature, with minimal temperature overshoot.
Nº publicación: AU2024204242A1 01/05/2025
Solicitante:
SHENZHEN SHUYE TECHNOLOGY CO LTD
Shenzhen Shuye Technology Co., Ltd
Resumen de: AU2024204242A1
Am electric toothbrush, and a motor control method, a device, a system, a control board, and a storage medium for the same. The motor control method for an electric toothbrush includes: obtaining a start or regulation signal; controlling a motor shaft of the electric toothbrush to vibrate at a preset frequency relative to a preset oscillation centerline according to the start or regulation signal; obtaining a position parameter of the preset oscillation centerline of the motor shaft of the electric toothbrush; and controlling the preset oscillation centerline of the motor shaft of the electric toothbrush to move around an axis of the motor shaft along a preset trajectory. Drawings obtaining a stait or regulation signal controlling a motor shaft of the electric toothbrush to vibrate at S200 a preset frequency relative to a preset oscillation centerline obtaining a position parameter of the preset oscillation $300 centerline of the motor shaft of the electric toothbrush controlling the preset oscillation centerline of the motor shatt S400 of the electric toothbrush to move around an axis of the motor shaft along a preset trajectory obtaining a start or regulation signal controlling a motor shaft of the electric toothbrush to vibrate at a S200 preset frequency relative to a preset oscillation centerline according to the start or regulation signal, obtaining a forward maximum vibration position parameter and a reverse maximum vibration position parameter of the motor shaft of the
BOPI
Sede Electrónica
