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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 525 a 550 de 955
Resumen de: US20260031328A1
A positive electrode includes a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector and including a positive electrode active material and a binder. The positive electrode active material includes a first positive electrode active material including a lithium iron phosphate-based compound and a second positive electrode active material including a lithium nickel-based composite oxide. The binder includes a first fluorine-based binder not including a polar functional group, and a second fluorine-based binder including a polar functional group. A weight ratio of the first fluorine-based binder to the second fluorine-based binder is in a range of about 1:1 to about 4:1. The rechargeable lithium battery including the positive electrode may exhibit high initial charge/discharge capacity and efficiency even under high voltage driving conditions, and can exhibit long cycle-life characteristics.
Resumen de: US20260031642A1
A method for dynamically adjusting power, a battery management system, a device, a medium, and a vehicle are disclosed. The method for dynamically adjusting power includes acquiring power information, calculating a discharge power integral value within a preset time threshold, calculating a discharge energy according to the power information, and determining whether it is necessary to adjust the maximum allowable output power from first time discharge power to second time discharge power, or to adjust the maximum allowable output power from the second time discharge power to the first time discharge power based on the discharge power integral value and the discharge energy.
Resumen de: US20260031483A1
A secondary battery includes an electrode assembly including an alternately stacked plurality of laminates, the electrode assembly including a first electrode plate, a separator, and a second electrode plate, and an electrode tab group, the electrode tab group including a plurality of electrode tabs of at least one of the first electrode plate or the second electrode plate, a can that accommodates the electrode assembly and has one open end, a cap plate that is coupled to the one open end of the can and has a through-hole therein through which the electrode tab group passes, and a fixture configured to fix the electrode tab group passing through the through-hole to the cap plate.
Resumen de: US20260031487A1
A connecting piece (3) and a battery pack (100) are provided. The connecting piece (3) is configured to connect two battery modules (2) arranged side by side, where a positive electrode of one battery module (2) faces a negative electrode of the other battery module (2). The connecting piece (3) is a “U” shaped structure and includes two connecting bodies (30) that are parallel to each other and spaced apart, and the two connecting bodies (30) of the connecting piece (3) are respectively connected to the positive electrode and the negative electrode facing each other of the two battery modules (2) to couple the two battery modules (2) in series.
Resumen de: US20260031454A1
The embodiments of the present disclosure provide an extruded shell, a battery pack, and a method for assembling a battery pack. The extruded shell comprises a bottom plate, a T-shaped plate, and two side plates. Both side plates are connected to the bottom plate. At least one side plate extends to form a top-limiting edge. The T-shaped plate is connected to the bottom plate, and multiple single battery cells are configured to be mounted between the T-shaped plate and the side plates. The bottom plate, side plates, top-limiting edge, and T-shaped plate are integrally extruded and molded.
Resumen de: US20260031455A1
A battery pack according to an embodiment of the present invention may include a housing, in which an accommodation space in which a secondary battery is accommodated is defined, and a switching part, which is mounted on the housing and elastically deformed according to pressure of the accommodation space to adjust communication between the accommodation space and an external space of the housing, so that the battery pack is deformed according to internal pressure to discharge an internal material such as internal gas and flame. The battery pack may prevent a phenomenon, in which the battery pack is exploded or toxic gas and flame is discharged unintentionally, to prevent resultant casualties and damage to property in advance.
Resumen de: US20260031452A1
Provided is an all-solid-state battery. The all-solid-state battery includes an encapsulation member (10), a cell assembly (20), and an adsorbent. A first chamber (12) and a second chamber (15) that communicate with each other are formed within the encapsulation member (10). The cell assembly (20) is accommodated in the first chamber (12). The adsorbent is accommodated in the second chamber (15) and can adsorb or eliminate hydrogen sulfide. A waterproof and breathable membrane (50) is disposed between the first chamber (12) and the second chamber (15).
Resumen de: US20260028167A1
The present disclosure relates to an electrode plate transfer device comprising: a support plate over which a plurality of electrode plates are stacked; and a plurality of support walls spaced apart from each other on the support plate, and bent to respectively face a plurality of corner edges to each form an inner bent surface and an outer bent surface, wherein each of the plurality of support walls includes: a first frame located at an edge of the support plate and forming at least one of the inner bent surface or the outer bent surface; and a second frame which is in contact with the first frame, and of which at least a part forms the inner bent surface.
Resumen de: US20260028441A1
The present disclosure provides for foldable bottlebrush polymers, foldable bottlebrush polymer networks, method of making foldable bottlebrush polymers and networks, conductive electrolytes including the foldable bottlebrush polymer networks, and the like.
Resumen de: US20260028438A1
This application provides a fluoropolymer, a preparation method therefor, a positive electrode plate, a secondary battery, and an electric device. The fluoropolymer comprises a structural unit derived from vinylidene fluoride and a structural unit derived from an unsaturated carboxylic acid monomer, wherein a weight average molecular weight of the fluoropolymer ranges from 5 million to 9 million, and optionally, from 5 million to 8 million.
Resumen de: US20260027947A1
An electrified vehicle includes an electric traction motor, a high voltage (HV) battery system including a HV battery pack configured to power the electric traction motor. The HV battery pack includes a plurality of battery modules each configured to store electrical energy, an auxiliary storage device electrically coupled to the battery modules, and one or more switches/relays configured to selectively allow transfer of electrical charge from each battery module to the auxiliary storage device. A battery management system (BMS) includes a controller programmed to detect a thermal runaway event of one or more of the battery modules, and open/close the one or more switches/relays in response to detecting the thermal runaway event to thereby transfer electrical charge from the one or more battery modules experiencing the thermal runaway event to the auxiliary storage device, to thereby slow or prevent a propagation of the thermal runaway.
Resumen de: US20260027946A1
A passive dynamic cell balancing system for an electrified vehicle includes a dynamic load system configured to vary a balancing current output to a battery system of the electrified vehicle, wherein the battery system comprises a plurality of battery cells, and a control system configured to estimate a charge imbalance across the plurality of battery cells by estimating a state of charge (SOC) of each of the plurality of battery cells, estimate a balancing current for each of the plurality of battery cells based on their respective estimated SOCs, and controlling the variable load system based on the estimated balancing currents to dissipate a desired amount of electrical energy from each of the plurality of battery cells to resolve the estimated charge imbalance.
Resumen de: WO2026021490A1
Disclosed are an electrolyte additive, an electrolyte and a battery. The electrolyte additive comprises a first additive and a second additive. The first additive comprises a compound containing a silicon element and an unsaturated hydrocarbon group. The second additive comprises a compound represented by formula 1, where X1, X2, X3 and X4 are each independently selected from N or CH, R is selected from a 5-6 membered aryl, a 5-6 membered aryl substituted with R0, a 5-6 membered heteroaryl, a 5-6 membered heteroaryl substituted with R0, a C1-8 alkyl, a C1-8 alkyl substituted with R0, a C2-8 alkenyl, a C2-8 alkenyl substituted with R0, a C0-8 alkylsilane, or a C0-8 alkylsilane substituted with R0, and R0 is selected from a C1-6 alkyl, a C1-6 alkoxy or halogen.
Resumen de: US20260031647A1
An adaptive charging thermal optimization system for an electrified vehicle includes a set of thermal management components each configured to thermally condition a high voltage battery system of the electrified vehicle and a control system configured to detect whether the electrified vehicle is plugged into electrified vehicle supply equipment (EVSE) and, in response to detecting that the electrified vehicle is plugged into the EVSE, determine a set of charging parameters and limits for the high voltage battery system and the EVSE, determine a type or mode of the EVSE, determine a temperature setpoint for the high voltage battery system based on the charging parameters and limits for the high voltage battery system and the EVSE and the type or mode of the EVSE, and control the set of thermal management components based on the determined temperature setpoint and a measured temperature of the high voltage battery system.
Resumen de: US20260031638A1
A portable battery charger includes a housing. The housing includes a battery receptacle configured to receive and connect to a battery. The charger also includes a heater surrounding the battery receptacle and a charging circuit provided in the housing to charge the battery. The charger further includes a temperature sensor disposed in the housing and an electronic processor in communication with the temperature sensor, the charging circuit, and the heater. The electronic processor is configured to determine, using the temperature sensor, a temperature of the battery, determine whether the temperature satisfies a low temperature threshold, in response to the temperature satisfying the low temperature threshold disable the charging circuit, and enable the heater to heat the battery.
Resumen de: US20260031649A1
A method including: monitoring a power supply from a line power source; monitoring a temperature of one or more of a battery and a super-capacitor, when power is available through the line power source: supplying power directly from the line power source to the supported system; and supplying power directly to the charger to charge the battery and the super-capacitor, and in the event of a detected line power outage, supplying power to the supported system from one or more of the battery and super-capacitor based at least on the detected temperature of the one or more of the battery and super-capacitor.
Resumen de: US20260031645A1
This application provides a battery and a charging method thereof, a battery management system, and an electric device, capable of improving charging performance of the battery. The battery includes at least one battery cell and a battery management system. A positive electrode active material of the battery cell includes LiMPO4, and M includes element Mn and element Fe. The battery management system is configured to: control the battery to perform a first constant current charging until a voltage of the battery reaches a first cutoff voltage; control the battery to perform a constant voltage charging; and control the battery to perform a second constant current charging until the voltage of the battery reaches a second cutoff voltage, where the second cutoff voltage is greater than the first cutoff voltage.
Resumen de: US20260027933A1
There is disclosed a battery charging device of a construction machine including a power distribution device that distributes electric energy stored in a battery pack to loads inside a construction machine and electrically connects or disconnects a charger for charging the battery pack to or from the battery pack; and a battery management system that electrically connects the charger to the battery pack by controlling the power distribution device and calculates a charging profile for charging the battery pack, and the charging profile may include a first charging section and a second charging section, the first charging section may include a second constant current charging section in which the battery pack is charged at a standard charging rate, and a first constant current charging section in which the battery pack is charged at a higher charging rate than the standard charging rate, and the second charging section may include a plurality of constant current charging sections in which the battery pack is charged at a constant charging rate for each charging section.
Resumen de: US20260027914A1
A protective element, in particular for an energy storage system or for a motor vehicle, wherein the protective element has the following: a shielding element, for example a wall, and a protective material arranged or formed on a surface of the shielding element.
Resumen de: US20260027743A1
The invention relates to a cutting apparatus for cutting segments for energy cells from a continuous web fed into a gap in a cutting plane, comprising-a rotating cutting device which is driven by means of a first drive device in a rotary movement about an axis of rotation, is arranged on one side of the gap and has at least one cutting blade protruding radially outwards from a boundary surface of the rotating cutting device, in particular a cutting drum having at least one cutting blade protruding radially outwards from a jacket surface of the cutting drum, wherein—the cutting edge of the cutting blade slides in punctiform contact on the cutting edge of the counter-blade during the rotary movement of the rotating cutting device, in particular the cutting drum, during the cutting of the continuous web, and—the first drive device is torque-controlled at least during the sliding of the cutting edge of the cutting blade on the cutting edge of the counter-blade.
Resumen de: US20260027541A1
An apparatus and method for preparing a precursor are described. The apparatus for preparing the precursor is an apparatus for preparing a precursor, which coprecipitation reacts a raw material to prepare the precursor, the apparatus including: a coprecipitation reaction tank in which an accommodated material including a reactant and a remainder is accommodated; and a pH measuring system that measures a pH of the remainder. The pH measuring system includes: a filter that is disposed inside the coprecipitation reaction tank and filters the remainder from the accommodated material; and a pH measuring part that is disposed outside the coprecipitation reaction tank to measure the pH of the remainder filtered through the filter.
Resumen de: US20260031724A1
A power source assembly for an aeronautical vehicle includes a fuel cell module configured to provide a first direct current (DC) power output, a battery module configured to provide a second DC power output, a DC electric bus configured to provide a specified DC power output to a load, a multi-phase DC/DC converter including a plurality of converter units, and a controller operably coupled to the multi-phase DC/DC converter. The multi-phase DC/DC converter is configured to receive the first DC power output and the second DC power output and to provide the specified DC power output to the DC electric bus. The controller is configured to receive data indicative of the first DC power output and to control the plurality of converter units of the multi-phase DC/DC converter based on the received data to maintain the specified DC power output to the load.
Resumen de: US20260031600A1
A cabinet assembly and an energy storage apparatus are provided. The cabinet assembly includes a body having a first chamber and a second chamber, a first wiring assembly fixed to an inner wall of the body and having a first wiring space, a second wiring assembly fixed to the inner wall of the body and having a second wiring space for guiding wiring of a communication cable, and a third wiring space located in the second chamber. The first wiring space has a first wiring hole located in the first chamber, and a fire-fighting cable is adapted to be electrically connected to a fire-fighting device through the first wiring hole. The first wiring space and the second wiring space are in communication with the third wiring space, and the fire-fighting cable and the communication cable are electrically connected to an electrical element.
Resumen de: US20260031633A1
A cell balancing current control device and method for a battery pack are capable of reflecting a resistance value depending on a length of a flat cable which connects each cell of a multi-series battery and a battery management system (BMS) (that is, cell to BMS connection) to control an on/off duty ratio of a switching module for applying a cell balancing current to be different for each individual cell, and a battery pack. Cell balancing current control is based on an on/off duty of a switching module calculated by reflecting the resistance value depending on the length of the flat cable.
Nº publicación: US20260031636A1 29/01/2026
Solicitante:
ECOFLOW INC [CN]
ECOFLOW INC
Resumen de: US20260031636A1
A battery pack control method includes: detecting real-time load power of a multi-battery pack system; and when the real-time load power is less than a first power threshold, and at least two battery packs discharge in parallel, determining a target battery pack from the battery packs discharging in parallel, maintaining a discharge function of the target battery pack, and disabling a discharge function of another battery pack discharging in parallel other than the target battery pack.
BOPI
Sede Electrónica
