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1317
resultados
Última actualización
26/04/2026 [07:23:00]
Resultados 25 a 50 de 1317
Resumen de: US20260109620A1
A positive electrode active material, a preparation method thereof, a positive electrode plate, a battery, and an electric device are provided. The positive electrode active material includes a core and a coating layer. The core includes a sodium-ion transition metal oxide containing the iron element and/or nickel element. In the sodium-ion transition metal oxide, a molar amount of the iron element is denoted as b, a molar amount of the nickel is denoted as c, 0≤b≤0.4, and 0≤c≤0.4. The coating layer is disposed on at least a portion of a surface of the core, the coating layer contains an alkaline sodium compound, and based on a total mass of the positive electrode active material, a mass proportion of the alkaline sodium compound is w %, which satisfies:0.1≤(b+c)/w≤0.5.
Resumen de: US20260112793A1
0000 An electrochemical device includes a housing, an electrode assembly, a first conductive plate, a first layer, and a second layer. The housing includes a first wall and a side wall. The electrode assembly is a wound structure and includes a first electrode sheet. The first conductive plate includes a first and a second conductive area, connected to the first electrode sheet and the first wall, respectively. The second conductive area extends in a second direction and includes a first end portion connected to the first conductive area and a second end portion opposite the first end portion. In a first direction, the first layer is disposed between the electrode assembly and the second conductive area. When viewed from the first direction, the first layer includes a first side extending in a curved manner along an edge of the electrode assembly and a second side connected to the first side.
Resumen de: US20260112725A1
0000 The present invention provides a portable energy storage device and method that dynamically adjusts power based on internal temperature, based on the battery pack temperature model data, which allocates corresponding decision power at each critical decision point temperature. During the use of the energy storage device, when the power is reduced due to the increase in the battery pack temperature, if the power reduction causes the temperature to be in a decreasing stage, then during the temperature-decreasing process, the control unit will not restore the battery pack to a larger power until the temperature decrease magnitude exceeds the hysteresis temperature threshold. The present invention allows the power of the battery pack to be adjusted according to its real-time temperature, ensuring the operational safety of the device while maintaining the power at a high level. Additionally, the design of the hysteresis temperature threshold enhances the operational stability of the device.
Resumen de: US20260112612A1
A composite sodium ion battery cathode material with radial heterojunction and a preparation method thereof are provided. The cathode material is prepared by sintering a precursor and a sodium source, and the prepared cathode material is a core-shell structure with a radial heterojunction, the core of the cathode material is an O3-type nickel-manganese-based layered oxide, there is a coating material on the surface of the core, and the coating material is a P2-type nickel-manganese-based layered oxide. By adopting the above composite sodium ion battery cathode material with radial heterojunction and preparation method thereof, while reducing the cost of the materials, the composite cathode materials with radially heterogeneous distributions are synthesized by constructing different thicknesses of Ni0.3Mn0.7(OH)2 on the surface of Ni0.5Mn0.5(OH)2 precursor, so as to improve the air stability and cycling stability of the materials, and improve the sodium ion transmission kinetic property.
Resumen de: US20260112913A1
The charging control apparatus according to the present disclosure includes a voltage sensor configured to detect the voltage of a battery cell and a controller configured to execute an intermittent charging process to alternately repeat a charging mode and a resting mode for the battery cell. Under the condition that the charging mode is switched to the resting mode while the intermittent charging process is being executed, the controller is configured to execute: an operation of determining an internal resistance of the battery cell based on an amount of change in voltage of the battery cell in a resting period where the resting mode continues; and an operation of recording the internal resistance in association with SOC of the battery cell.
Resumen de: US20260112701A1
0000 The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte, a nonaqueous solvent, a compound represented by general formula (I), and at least one specific anion-containing compound selected from an anion-containing compound having a P═O bond and a P—F bond, an anion-containing compound having an S═O bond and an S—F bond, and an alkyl sulfate anion-containing compound, in which the mass ratio of the compound represented by the general formula (I) to the specific anion-containing compound satisfies a specific range. The present invention also relates to a nonaqueous electrolytic solution battery comprising a negative electrode and a positive electrode capable of occluding and releasing metal ions, and the nonaqueous electrolytic solution.
0000
Resumen de: US20260112611A1
Provided is a positive electrode material for a lithium ion secondary battery, including aggregated particles including aggregated multiple primary particles of a positive electrode active substance containing lithium iron phosphate coated with a carbonaceous film, the positive electrode active substance having a prescribed composition containing lithium iron phosphate, the positive electrode material having a change rate of a lattice area of a b-c axis plane before charging and after full charging (((lattice area before charging-lattice area after full charging)/lattice area before charging)×100) of 1.10% or more and 1.33% or less. The positive electrode material has excellent cycle characteristics and high input and output characteristics in using as a positive electrode of a lithium ion secondary battery.
Resumen de: US20260112726A1
A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
Resumen de: US20260112780A1
A unit cell includes an electrode positioned between a first separator and a separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the first separator and the second separator. A shear strength of the first adhesive is less than or equal to a shear strength of the second adhesive.
Resumen de: US20260112745A1
In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet, the first communication path having a first open end at a position of an end of each of the first left-side connection portion and the second left-side connection portion on the opening side of an exterior package. The first communication path is located on a shortest reach path for an electrolyte solution reaching, from the outside of the insulating sheet, an end portion of an electrode assembly closest to a ridgeline portion of the exterior package on the bottom portion side and on the side of one of a pair of second side walls.
Resumen de: US20260112756A1
0000 A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion configured to force gas out; and a pack case in which the at least one battery cell is accommodated such that the vent portion faces a lower side of the battery pack. The vent portion is exposed from the battery pack.
Resumen de: US20260110755A1
A battery diagnosis apparatus according to the present disclosure includes a voltage sensor to generate a voltage signal indicating a battery voltage of a battery; a current sensor to generate a current signal indicating a battery current flowing through the battery; and a control circuit. The control circuit determines a measured capacity curve over a predetermined set voltage range based on the voltage signal and the current signal collected at each unit time for a constant current period during which the battery is charged or discharged at a predetermined current rate over the set voltage range. The control circuit determines a measured differential curve over the set voltage range based on the measured capacity curve. The control circuit determines whether a negative electrode tortuosity of the battery abnormally increased by comparing the measured differential curve with a reference differential curve.
Resumen de: US20260110744A1
0000 Examples are described herein for monitoring power source usage of a computing device, including a battery and another power source, over time. In various examples, time periods of this monitored time may be added to a time count based on their immediately previous or immediately subsequent time periods satisfying a condition. The time count may be used to track periods of time during which certain power source usage factors are present that may lead to or may indicate the presence of battery swelling. After a time period is added to the time count, the updated time count can be compared to a time count threshold, and a user of the computing device may be warned based on the comparison. The threshold and warning may be selected to warn a user of potential present or future swelling of the battery.
Resumen de: US20260112598A1
0000 Silicon-containing composite particles, the process comprising the steps of:
(a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D<50 >particle diameter of the porous particles from 0.5 to 200 μm; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm<3>/g; and the PD<50 >pore diameter is no more than 30 nm; c
(b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm<3 >per litre of reactor volume (cm<3>/L
Resumen de: US20260110665A1
Systems, techniques, and computer-implemented processes are provided for acoustic signal based analysis of thin-films, electrode coatings, and other components of batteries. Data analytics on signals obtained by ultrasound excitation of materials is used to analyze electrode coating parameters, analyzing separators, and other battery components. Using the disclosed techniques in battery manufacturing and production can lead to reduction in wastage of damaged/scrapped battery cells and shorten production time.
Resumen de: US20260112922A1
A power distribution device that couples to storage units is provided. The power distribution device a battery charger that indirectly charges batteries, such as for personal electronic devices. The device includes a top panel with a recess that receives the personal electronic devices. The device also includes interface components to couple the device to a modular tool storage unit.
Resumen de: US20260112689A1
A method for producing a sulfide solid electrolyte according to an embodiment of the present invention is a method for producing a sulfide solid electrolyte, including: preparing a composition containing P, S, N, an element A, and an element M; reacting the composition to obtain an intermediate; and heating the intermediate to obtain a sulfide solid electrolyte, where the composition includes a raw material compound containing N, the element A, and the element M. A represents at least one element selected from the group consisting of Li, Na, and K. M represents at least one element selected from the group consisting of Al, Ta, Si, Sc, Mg, Nb, B, Hf, C, P, Zr, and Ti.
Resumen de: US20260110745A1
0000 An approach to control or monitoring of battery operation makes use of a recurrent neural network (RNN), which receives one or more battery attributes for a Lithium ion (Li-ion) battery, and determines, based on the received one or more battery attributes, a state-of-charge (SOC) estimate for the Li-ion battery.
Resumen de: US20260112610A1
Provided are: a negative electrode material for nonaqueous secondary batteries, which can yield a high-capacity nonaqueous secondary battery having excellent discharge rate characteristics; and a negative electrode for nonaqueous secondary batteries and a nonaqueous secondary battery. Also provided is a nonaqueous secondary battery having excellent charge-discharge efficiency. The negative electrode material for nonaqueous secondary batteries includes carbonaceous particles (A) and silicon oxide particles (B), and satisfies the followings: a) the average particle size (50% cumulative particle size from the smaller particle side; d50) is 3 μm to 30 μm, and the 10% cumulative particle size from the smaller particle side (d10) is 0.1 μm to 10 μm; b) the ratio (R1=d90/d10) between the 90% cumulative particle size from the smaller particle side (d90) and the d10 is 3 to 20; and c) the ratio (R2=d50/d10) between the d50 and the d10 is 1.7 to 5.
Resumen de: AU2026202568A1
The present invention relates to a cleaning apparatus. The cleaning apparatus according to one aspect comprises: a suction inlet; a suction motor which generates suction power for allowing air to be sucked in along the suction inlet and comprises a rotationally operating impeller; a dust separation unit provided with one or more cyclone units which generate cyclonic flow so as to separate dust from air which has been introduced through the suction inlet; a dust container which stores dust separated by the dust separation unit and is positioned under the suction motor; a battery which supplies power the suction motor and is positioned behind the dust container; and a handle disposed behind the suction motor, wherein the rotation axis of the impeller and the axis of the cyclonic flow extend vertically, and the extension line of the rotational axis of the impeller passes through the one or more cyclone units. pr p r
Resumen de: US20260112717A1
0000 A battery main box, a charge-discharge circuit, and a powered device. The battery main box includes two first electrode circuits and one second electrode circuit. A switch is connected between the two first electrode circuits. The two first electrode circuits are respectively configured to be connected to two powered loads and two batteries, and the second electrode circuit is configured to be respectively connected to the two powered loads and the two batteries. The battery main box in the embodiments of the present application includes the two first electrode circuits and the one second electrode circuit, and the switch is connected between the two first electrode circuits.
Resumen de: US20260108831A1
A filtration device according to the present invention includes: a filter chamber 3 to which slurry 40 containing a particle and a liquid having different electric charges is supplied through a supply line; a first electrode group 10A or a second electrode group 10B including cathode electrodes 11, 12 or anode electrodes 13, 14 provided on both side surfaces of the filter chamber to face each other and configured to separate the particle 42 and the liquid 41 in the slurry 40 into separated substances by an electric field action; and a first discharge chamber 4 and a second discharge chamber 5 provided for the first electrode group 10A and the second electrode group 10B to face the filter chamber 3 and configured to allow discharging of the separated substances.
Resumen de: US20260112749A1
An energy storage device includes: an electrode assembly formed by stacking a plurality of plates and elongated in a predetermined direction intersecting with a stacking direction; a container that accommodates the electrode assembly and is elongated in the predetermined direction; and a positive electrode terminal and a negative electrode terminal that are electrically connected to the electrode assembly. The electrode assembly includes: an electrode assembly body; and a pair of connecting portions that protrudes from one end portion of the electrode assembly body in the predetermined direction, and is electrically connected to the positive electrode terminal and the negative electrode terminal. A protruding portion on which the pair of connecting portions is disposed is formed at one end portion of the container in the predetermined direction.
Resumen de: WO2026081388A1
The present application belongs to the technical field of batteries, and provides a positive electrode active material, a positive electrode slurry, a positive electrode plate, a battery, and a vehicle. The positive electrode active material comprises lithium manganese iron phosphate and lithium nickel cobalt manganate. The mass ratio of the lithium manganese iron phosphate to the lithium nickel cobalt manganate is (50-95):(5-50). The general chemical formula of the lithium nickel cobalt manganate is LiNiaCobMn( 1-a-b) )O2, 0.6≤a<1, 0
Nº publicación: US20260112740A1 23/04/2026
Solicitante:
MURATA MFG CO LTD [JP]
Resumen de: US20260112740A1
A battery pack includes a cylindrical secondary battery and a heat absorbing member, and an exterior body of the heat absorbing member accommodates a heat absorbing agent between a first inner resin layer L1a and a second inner resin layer. A flange portion of the exterior body has an inner resin continuous portion in which the first inner resin layer and the second inner resin layer are continuous over the entire circumference. In a sectional shape of the heat absorbing member, the inner resin continuous portion includes a first continuous portion located inward of a first metal layer and a second metal layer, and a second continuous portion, a third continuous portion, and a fourth continuous portion each having a portion exposed to outside of the exterior body. The heat absorbing member is arranged in an orientation in which the first continuous portion is closer to an end of the secondary battery than the second continuous portion, the third continuous portion, and the fourth continuous portion in an axial direction of the secondary battery.
BOPI
Sede Electrónica
