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1670
resultados
Última actualización
22/03/2026 [07:31:00]
Resultados 150 a 175 de 1670
Resumen de: US20260081212A1
Disclosed herein is the compound (NaxLi3-x)(3-y)/3Y1-yZryCl6, where x is greater than 0 and less than 3 and where y is greater than 0 and less than 1. Where x=1 and y=0.75, the compound is Na0.75Li1.5Y0.25Zr0.75Cl6. The compound is usable as an effective solid electrolyte for a solid-state battery. The solid electrolyte can utilize lithium ions and/or sodium ions as charge carriers.
Resumen de: US20260081167A1
Provided is an electrode for an all-solid-state battery, comprising an electrode active material, a solid electrolyte, and a conductive agent, wherein the electrode active material and the solid electrolyte are bonded through the binder, the conductive agent is interposed in pores between the electrode active material and the solid electrolyte, and the conductive agent, the solid electrolyte, and the electrode active material are simultaneously contacted.
Resumen de: US20260081169A1
In general, according to one embodiment, an electrode includes an active material that includes a metal oxide, and a conductive agent that includes a carbon material. A weight of carbon contained in the electrode is 2.5 parts by weight or less, per 100 parts by weight of the active material. The electrode has lightness L* that satisfies 40≤L*≤85.
Resumen de: US20260081163A1
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer formed on a surface of the negative electrode current collector. The negative electrode mixture layer contains a negative electrode active material, a first binder, and an isothiazolin-based compound. The first binder is a carboxymethylcellulose compound. The proportion of the mass of the isothiazolin-based compound in the negative electrode mixture layer to the mass of the negative electrode mixture layer is 20 ppm or more and 2000 ppm or less. With the above configuration, permeability of the nonaqueous electrolyte into the negative electrode mixture layer can be increased.
Resumen de: US20260081165A1
This application provides a negative electrode plate, a method for preparing a negative electrode plate, and a lithium-ion battery. The negative electrode plate includes: a negative current collecting layer; and a lithiated binding layer, attached to an inner surface of the negative current collecting layer, where a lithiation degree of a side of the lithiated binding layer away from the inner surface is greater than a lithiation degree of a side of the lithiated binding layer close to the inner surface. According to the technical solutions in this application, the lithiated binding layer in the negative electrode plate has a conductive gradient and a binding gradient, which resolves the problem of detachment in a negative electrode plate with a conventional binder, increases a rate of battery kinetics, and increases initial coulombic efficiency of a lithium-ion battery, increasing capacity of the lithium-ion battery.
Resumen de: US20260081055A1
An insulation device for a busbar includes a support and at least one cover made of electrically insulating material and attached to the support. The at least one cover is slidably mounted on the support by at least one guide member.
Resumen de: US20260081082A1
A method for fabricating an ionic liquid electrolyte such as a spiro-based ionic liquid electrolyte, the method has the steps of: synthesizing an intermediate spiro-based product, and applying an ionic exchange process to the intermediate spiro-based product to obtain the ionic liquid electrolyte. The obtained an ionic liquid electrolyte comprising an ionic liquid salt with a cation of: (I) The ionic liquid electrolyte may be used in an electrochemical energy-storage apparatus such as a supercapacitor.
Resumen de: US20260076462A1
A battery comprising a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour adapted to conform to a curvature or a contour of a load-bearing platform. Further, the battery comprises flexible omnidirectional leads.
Resumen de: US20260076416A1
The embodiments of the present disclosure provides an electronic cigarette and an electronic cigarette stem comprising a battery box, a bottom cover and a charging connection module. The battery box forms a first accommodating cavity, and both ends of it are respectively provided with an air outlet and a first through hole. The bottom cover and the battery box form a second accommodating cavity. The charging connection module is in the second accommodating cavity; an output terminal is arranged in the first accommodating cavity through the first through hole; an input terminal is connected to an external power supply through an air inlet. The air inlet, the second accommodating cavity, the first through hole, the first accommodating cavity and the air outlet form an airflow channel connecting an atomizer. Using the air inlet for both air admission and charging can simplify structure, improve production efficiency and reduce production cost.
Resumen de: US20260077683A1
An exemplary thermal management system includes, among other things, a heater loop, a battery loop, a radiator loop, and a power electronics loop operating within a glycol system. A first valve is in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. A second valve in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. The second valve is fluidly connected to the first valve to provide at least one operational condition where there is battery heating within the battery loop while a vehicle is off charge, and while also being able to independently heat a cabin.
Resumen de: US20260077680A1
A battery management apparatus, a battery pack, an electric vehicle and a battery management method are provided. The battery management apparatus according to the present disclosure includes a controller configured to obtain a plurality of cell state parameters indicating electric states of the plurality of battery cells; determine whether to perform a balancing process, which is a procedure of selectively discharging or charging each of the plurality of battery cells, to suppress a deviation in electric states among the plurality of battery cells; and perform the balancing process for at least one battery cell among the plurality of battery cells, based on the plurality of cell state parameters.
Resumen de: US20260077678A1
A method and system for protecting a battery power limit, and a storage medium are disclosed. The method for protecting a battery power limit is applied to a vehicle with a battery management system. The method includes: acquiring temperature data, a state of charge, and a cell voltage extreme value of a battery, periodically; calculating a current maximum available power according to the temperature data and the state of charge; determining a power limit coefficient according to the cell voltage extreme value, and a voltage limited power interval corresponding to the temperature data; and obtaining an actual available power that the battery management system allows the vehicle to use according to the maximum available power and the power limit coefficient. According to the method, different temperature ranges can be adapted according to logic.
Resumen de: US20260081211A1
Provided are a composite electrolyte with a wide working voltage range for an all-solid-state lithium-ion battery, and a preparation method and use thereof. The composite electrolyte includes a lithium borohydride-based solid-state electrolyte and a polymer coating layer coated on a surface of the lithium borohydride-based solid-state electrolyte. A voltage window of the composite electrolyte with the wide working voltage range is not less than 6 V and up to 10 V. The lithium borohydride-based solid-state electrolyte comprises lithium borohydride, alumina, and lithium iodide. The polymer coating layer is poly(methyl methacrylate). A mass percentage of the lithium borohydride-based solid-state electrolyte in the composite electrolyte with the wide working voltage range is in a range of 70 wt. % to 99 wt. %; and a mass percentage of the polymer coating layer in the composite electrolyte with the wide working voltage range is in a range of 1 wt. % to 30 wt. %.
Resumen de: US20260081292A1
A battery pack (4) includes a plurality of battery-side terminals (12) and an outer case (24). The outer case comprises: a first wall (88) that is disposed in a first direction (D1) relative to the battery-side terminals; a second wall (84) that is disposed in a second direction (D2), which is orthogonal to the first direction, relative the battery-side terminals, and connects to the first wall; and a plurality of slits (90a, 90b, 90c, 90d, 90e), which pass through portions of the first wall and the second wall. The first wall has: first flat-wall portions (92); and second flat-wall portions (96) that are adjacent to the first flat-wall portions in a third direction (D3) that is orthogonal to both the first and second directions. The second flat-wall portions are offset from the first flat-wall portions in a fourth direction (D4) that is opposite the first direction.
Resumen de: US20260081309A1
An energy storage apparatus includes an energy storage device, a bus bar that is electrically connected to the energy storage device, a holder to hold the bus bar in a state where a portion of the bus bar is fixed, and a conductor that is joined to the bus bar, in which the bus bar includes a protrusion that protrudes with such a posture that the bus bar faces one surface of the holder and is joined to the conductor, the protrusion includes a facing surface that faces the one surface, and an interval between the one surface and the facing surface widens toward a predetermined direction.
Resumen de: US20260081301A1
The battery module includes: a cell unit including at least one battery cell; at least two cooling plates tightly attached to two opposite surfaces of the cell unit, respectively; and a refractory material pad configured to surround the at least two cooling plates.
Resumen de: US20260079805A1
Systems and methods for estimating battery surface temperatures comprise generating a core temperature estimate for the battery based on a battery model. A set of lumped temperature states may be generated based on the core temperature, the set of lumped temperature states comprising temperature estimates for different regions of the battery. Additional condensed information may be retrieved relating to the battery. A surface temperature map may be generated for the battery based on the set of lumped temperature states and the additional condensed information using a mapping function.
Resumen de: US20260079552A1
A power supply and management system used in handheld and wearable electronic devices. The system provides one or more batteries that are selectively removable from the device in a manner where the device is continuously powered and/or usable, including during recharging, replacement, or swapping of one or more of the batteries. The device either has multiple receptacles for multiple batteries, which allows batteries to be alternately removed and replaced while the remaining battery continues to provide power, or may include an on-board power storage apparatus that allows for short-term removal of all batteries while maintaining power and operation. In addition, power management of the system allows for selective use or depletion of multiple batteries to achieve uniform depletion, avoiding over-cycling of a single battery, transferring charge between batteries, and reserving charge in one battery until the other is fully depleted—all designed to maintain reliable power and operation.
Resumen de: US20260079214A1
The present disclosure relates to a method of predicting a life of a battery. The method includes calculating cumulative slippage data based on life assessment data of a battery, calculating a correlation between the cumulative slippage and a performance life of the battery, and predicting a life of the battery based on the correlation.
Resumen de: US20260079210A1
The present invention provides a system for energy estimation in batteries, comprising a battery set-up module configured to define a configuration of one or more batteries. The system has a state-of-charge (SOC) estimation module that comprises a calculation module configured to obtain battery specifications and compute system parameters, a graph plotting module configured to generate voltage-energy graph at pre-defined load conditions, and an estimation module configured to determine SOC and runtime values based on discharge voltage and voltage-energy graphs. It also has an analysis module configured to uninterruptedly monitor and analyze battery voltage, SOC, and runtime, a notification module configured to initiate warnings when the monitored voltage SOC and runtime approach predetermined thresholds, and a shut-down module to enable a safe shutdown and backup operation.
Resumen de: US20260079211A1
A battery management system includes: a first processor that controls charging of a secondary battery; a voltage sensor that detects a voltage of the secondary battery; and a second processor that estimates an estimated range to which a battery level of the secondary battery belongs among multiple battery level ranges. Based on the detected voltage in a charging state among multiple charging states of the first processor, the second processor tentatively determines a tentative range to which the battery level belongs among the multiple battery level ranges. Based on comparison between the tentative range and a past estimated range estimated in a past, the second processor estimates a current estimated range that is the estimated range of this time.
Resumen de: US20260077677A1
The present disclosure relates to a vehicle control system and method for SoX management. The vehicle control system comprises a control circuitry and a battery management system. The control circuitry determines an operational schedule of the vehicle and monitors at least one parameter of battery state. The battery management unit is communicatively coupled to the control circuitry. The battery management unit defines and implements an adaptive battery threshold window based on an operational schedule of the vehicle and the at least one parameter of battery state. The adaptative battery threshold window comprises multiple soft threshold values.
Resumen de: US20260077675A1
A golf vehicle includes a chassis, a battery pack supported by the chassis, and a plurality of sensors configured to facilitate detecting moisture. The battery pack is oriented relative to the chassis in a respective orientation of a plurality of possible orientations. The plurality of sensors are positioned at various locations about the battery pack. Each sensor is located at a respective point of the battery pack relative to a particular orientation. The vehicle control system is configured to acquire moisture signals from the sensors, and to determine at least one of the respective orientation of the battery pack or a severity of a presence of moisture within the battery pack based on the moisture signals.
Resumen de: US20260077672A1
When charging a high-voltage battery at a DC charging station, a first step opens charging contactors, closes switching elements, and charges the high-voltage battery via the on-board charger and to transfer charge from one partial battery to the other partial battery or vice versa by an inverter. In a second step, when the high-voltage battery has been warmed up to a predetermined target temperature by the recharging process, operation of the inverter is stopped, the charging contactors are closed and in parallel with this is charged charging via the onboard charger and charged via the charging contactors, and the on-board charger is then deactivated and the charging process continues exclusively via the charging contactors.
Nº publicación: US20260077660A1 19/03/2026
Solicitante:
LIGHTYEAR IPCO B V [NL]
Lightyear IPCo B.V
Resumen de: US20260077660A1
An isolated active bridge DC-DC power converter comprising a primary side, a secondary side, and a control unit. The primary side comprises one or more input power ports, a low voltage port, two primary-side switching elements for each of the one or more input power ports, a primary-side converter inductance for each of the one or more input power ports, and a primary-side transformer winding for each of the one or more input power ports. Each pair of primary-side switching elements and a respective primary-side converter inductance is arranged to form a half-bridge arrangement for bidirectionally converting power between a respective input power port and the low voltage port. The secondary side comprises a high voltage port, two secondary-side switching elements, and a secondary-side transformer winding magnetically coupled to the primary-side transformer winding. The control unit is configured to control the two primary-side switching elements and the two secondary-side switching elements for converting power between the primary-side ports and the secondary-side port.
BOPI
Sede Electrónica
