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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 1125 a 1150 de 1797
Resumen de: US2025309358A1
Provided is a lithium metal secondary battery that is able to suppress short circuit in a lithium metal secondary battery using a separator having electrical conductivity. A lithium metal secondary battery includes an electrode laminate in which positive electrodes and negative electrode containing lithium metal are laminated with a separator interposed therebetween, and an electrolytic solution. The separator provided between the positive electrodes and the negative electrodes is folded in zigzag manner and is continuous. The lithium metal secondary battery further includes a fixing portion that fixes the separator on an outer peripheral side of the electrode laminate. The separator includes an electrically conductive layer having electric conductivity and an insulating layer having an electrical insulation property. Each of the negative electrodes is in contact with the electrically conductive layer. Each of the positive electrodes are opposed to the insulating layer.
Resumen de: US2025303913A1
A battery performance management system and method using an electric vehicle charging station. The battery performance management server collects battery performance evaluation information including identification information and operation characteristic accumulative information of a battery, identification information and driving characteristic accumulative information of the electric vehicle, and latest charging characteristic information of the battery from a plurality of charging stations through a network. The server determines a current state of health (SOH) corresponding to the collected battery performance evaluation information by using an artificial intelligence model that is trained in advance to receive the battery performance evaluation information and output a SOH of the battery. The server determines a latest control factor corresponding to the current SOH, and transmits the latest control factor to the charging station so that the charging station may transmit the latest control factor to a control system of the electric vehicle to update the control factor.
Resumen de: US2025307497A1
A method for designing a cathode material includes determining whether a first electrode material corresponds to a first cathode material candidate, based on a cathode material candidate filtering model, and determining whether the first electrode material corresponds to a second cathode material candidate, when the first electrode material corresponds to the first cathode material candidate. The determining of whether the first electrode material corresponds to the first cathode material candidate includes generating cathode material feature information of the first electrode material from material feature information of the first electrode material, and determining whether the first electrode material corresponds to the first cathode material candidate, based on the cathode material feature information of the first electrode material. The material feature information includes chemical descriptor information and material characteristic information of an electrode material. The cathode material feature information includes composability information and cathode material core property information.
Resumen de: US2025303460A1
An electrode plate manufacturing device includes a notching part configured to form one or more tabs on at least a portion of a film, a cutting part configured to cut the film to have a cut width, a feeding part configured to transfer the film from the notching part to the cutting part, and a processor configured to correct a position of the notching part based on at least one of a position of the tabs formed on the film and the cut width of the film.
Resumen de: US2025303432A1
A device and method for manufacturing an electrode are disclosed. An electrode manufacturing device includes an electrode sheet supply roll transferring a pre-electrode sheet which forms a face and another face; a position adjustment roll adjacent to the electrode sheet supply roll and receiving the pre-electrode sheet from the electrode sheet supply roll; a laminating roll and a pressurizing roll which receive the pre-electrode sheet from the position adjustment roll and face each other; an active material supply roll facing the laminating roll and providing an active material to the laminating roll; and a heater proving heat to a heating area of the pre-electrode sheet positioned between the electrode sheet supply roll and the position adjustment roll. The pre-electrode sheet and the active material are inserted into and discharged from between the laminating roll and the pressurizing roll.
Resumen de: US2025309333A1
A nonaqueous electrolyte solution includes a nonaqueous solvent and a lithium salt. The nonaqueous electrolyte solution comprises a specific amount of ethylene carbonate, propylene carbonate, 1,2,3-tris(2-cyanoethoxy)propane, and a boron-containing lithium salt additive. An aggregate mass percentage of the ethylene carbonate and the 1,2,3-tris(2-cyanoethoxy)propane in the nonaqueous electrolyte solution is set to fall within a specific range. An aggregate mass percentage of the propylene carbonate and the boron-containing lithium salt additive is set to fall within a specific range. The nonaqueous electrolyte solution put into use not only alleviates the volume resistance of the positive electrode and the lithium plating on the negative electrode of the lithium-ion battery, but also enables the battery to well exert high-temperature cycling performance at 65° C. or above and low-temperature output performance at −20° C. or below in a balanced way.
Resumen de: US2025309320A1
An inspection in the manufacture of modules or pre-stages of modules, comprising providing a separated anode/cathode layer at a pick-up location; conveying a stacking apparatus to the pick-up location; picking up the anode/cathode layer from the pick-up location by the stacking apparatus; detecting the position and/or orientation of the anode/cathode layer; transporting the anode/cathode layer to a stacking location by the stacking apparatus; aligning the stacking apparatus with the transported anode/cathode layer relative to the stacking location; and stacking the transported anode/cathode layer at the stacking location.
Resumen de: US2025309322A1
A module pressurization device includes a conveying line, a pressurization apparatus, and a control apparatus. The conveying line passes through a pressurization station and is configured to convey a battery module. The pressurization apparatus is arranged corresponding to the pressurization station and includes a jacking and supporting mechanism and a pressurization mechanism which are opposite in a first direction. The jacking and supporting mechanism is provided with a plurality of jacking and supporting portions configured to move in the first direction, arranged in a second direction, and configured to jack and support the heat dissipation plate. The pressurization mechanism is configured to compress the battery module. The control apparatus is electrically connected to the jacking and supporting mechanism and the pressurization mechanism so as to control the jacking and supporting mechanism and the pressurization mechanism to act.
Resumen de: US2025309323A1
A method for forming electrochemical cells of electrical batteries. The method comprises preparing a coil comprising a winding of a first separator sheet, a coil comprising a winding of a first electrode sheet, a coil comprising a winding of a second separator sheet and a coil comprising a winding of a second electrode sheet. The sheets are fed towards a movable conveyor by unwinding them from respective coils. A plurality of multi-layer strips is formed, each one comprising a first layer of said first separator sheet, a second layer of said first electrode sheet overlapped to said first layer, a third layer of said second separator sheet overlapped to said second layer and a fourth layer of said second electrode sheet overlapped to said third layer. Each multi-layer strip is fed to a respective winding device by said conveyor and each multi-layer strip is wound onto the respective winding device.
Resumen de: US2025309318A1
A battery is charged and discharged during a battery manufacturing formation process according to a current and voltage profile. The duration of the charging at a high voltage level is maintained for an extended time period, thereby saturating a solid electrolyte interface (SEI) during the formation process and reducing a swelling of the battery.
Resumen de: US2025309503A1
A battery cell, a battery, an electric device, and an assembly method for a battery cell are provided. The battery cell comprises: a case assembly, which comprises a case and first post terminals, wherein the case comprises a case body and a case cover, the case body having an opening, the case cover covering the opening, and the case body being provided with the first post terminals; and a battery cell assembly, which comprises an active substance coating portion and electrically conductive portions, wherein the active substance coating portion is accommodated in the case body, and the electrically conductive portions are electrically connected to the active substance coating portion and the first post terminals. The present application can reduce the probability of cracking occurring at a weld joint between the case body and the case cover during use of the battery, thereby improving the reliability of the battery cell.
Resumen de: US2025309511A1
A battery pack, including a cell assembly and a CCS assembly. The cell assembly includes a plurality of cells, each of which is electrically connected through an electrical connector. The CCS assembly is located at a side of the cell assembly and is electrically connected to the electrical connector through a wire harness. The CCS assembly includes a first channel. A position where the first channel is positioned corresponds positions where explosion-proof valves of the plurality of cells are positioned, such that liquid is sprayed to the explosion-proof valves. The CCS assembly includes a wire harness separator, the wire harness separator includes a first accommodation groove, in which the wire harness and the electrical connector are received. When the cell undergoes thermal runaway and causes the explosion-proof valve to spray high-temperature heat flow, coolant in the first channel is sprayed to the position of the explosion-proof valve.
Resumen de: US2025309510A1
An energy storage device container can suppress fires and can comprise a compartment configured to receive an energy storage device and a chamber configured to hold a fire suppressive agent, the chamber being positioned above the compartment. A barrier can be positioned between the compartment and the chamber and can physically separate the fire suppressive agent from the energy storage device to inhibit the fire suppressive agent from entering the compartment when the barrier is in a first physical state. The barrier can change from the first physical state to a second physical state in response to thermal energy having a threshold temperature to allow the fire suppressive agent to enter the compartment to contact the energy storage device.
Resumen de: US2025309506A1
An all-solid-state battery according to one embodiment of the present invention includes: a positive electrode; a negative electrode; and a solid electrolyte layer laminated between the positive electrode and the negative electrode, in which the positive electrode includes a positive electrode current collector and a positive electrode active material layer formed on a surface of the positive electrode current collector, the positive electrode current collector including a positive electrode current collector extension portion connected to a positive electrode tab, the negative electrode includes a negative electrode current collector, the negative electrode current collector including a negative electrode current collector extension portion connected to a negative electrode tab, at least an end portion of the solid electrolyte layer on a side of the negative electrode current collector extension portion includes an expansion portion expanding to a position beyond an outer periphery of the positive electrode active material layer.
Resumen de: US2025309375A1
The invention provides a battery system and a battery wireless communication system thereof. The battery wireless communication system includes a control unit, a master wireless communication unit, at least one monitoring chip, and at least one slave wireless communication unit. The master wireless communication unit is disposed in the control unit. The monitoring chips are respectively connected to battery cells. The at least one slave wireless communication unit is disposed adjacent to one of the at least one monitoring chip. The at least one slave wireless communication unit includes a one-to-one corresponding disposition with the at least one monitoring chip. A whisper wireless signal connection is established between the master wireless communication unit and the adjacent slave wireless communication units, by one-by-one whisper wireless communication.
Resumen de: US2025309418A1
An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. The end cover assembly includes an upper cover, a lower plastic member, a first terminal-post, and a first pressing ring. The upper cover includes a first protrusion and defines a first mounting recess. The lower plastic member defines a first accommodating recess. The lower plastic member is stacked with and connected to the upper cover. At least a part of the first accommodating recess is positioned in the first mounting recess. The first terminal-post passes through the upper cover and the lower plastic member. The first pressing ring is sleeved on the first terminal-post and fixedly connected to the first terminal-post. At least a part of the first pressing ring is positioned in the first accommodating recess and fixed connected to a recess wall of the first accommodating recess.
Resumen de: US2025309425A1
A terminal-post assembly, an end cover assembly, a battery, an energy-storage apparatus, and an electricity-consumption device are provided. The terminal-post assembly includes a terminal post and a sealing ring. The terminal post includes a terminal-post body, a base, and a terminal cap. One end of the terminal-post body is connected to the base, and the other end of the terminal-post body is connected to the terminal cap. A cross-sectional area of the terminal-post body is smaller than each of a cross-sectional area of the base and a cross-sectional area of the terminal cap. The sealing ring includes a sealing-ring body and multiple first limiting structures. The multiple first limiting structures are disposed at one side of the sealing-ring body positioned facing towards an axis of the sealing ring, and the multiple first limiting structures are spaced apart from each other in a circumferential direction of the sealing-ring body.
Resumen de: US2025309370A1
To provide a method for controlling a solid-state battery capable of improving the strength of a solid electrolyte layer and suppressing the deterioration of battery performance. A method for controlling a solid-state battery including a positive electrode layer, a solid electrolyte layer, and a negative electrode layer. The solid electrolyte layer includes a solid electrolyte and a filling material. The filling material includes an easily meltable material having a melting point or a melting temperature of less than 150° C. The method includes determining whether or not a crack has occurred in the solid electrolyte layer, and heating the solid-state battery when it is determined that a crack has occurred in the solid electrolyte layer.
Resumen de: US2025306124A1
A battery diagnosis apparatus, which includes a voltage sensing circuit to generate a voltage signal indicating a cell voltage of a battery cell; a storage medium to store time; and a control circuit configured to receive the voltage signal and record the time series data for the cell voltage in the storage medium, determine a first cell voltage slope and a second cell voltage slope in a first time section and a second time section based on the time series data, determine an average slope of the cell voltage in a third time section between the first time section and the second time section based on the time series data, set the first cell voltage slope and the second cell voltage slope as boundary conditions of a normal slope range, and diagnose a voltage abnormality when the average slope of the cell voltage is outside the normal slope range.
Resumen de: US2025306123A1
A battery management apparatus according to the present disclosure includes a profile obtaining unit configured to obtain a first profile for each of a plurality of batteries included in a battery pack; and a diagnosing unit configured to calculate a target value for each of the plurality of batteries based on a first target point or a target ratio for each of the plurality of first profiles, generate a distribution profile representing a corresponding relationship between the calculated plurality of target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack based on the determination result.
Resumen de: US2025306117A1
A characteristic measuring jig includes a support to support a battery cell, an impedance measuring part including first and second positive electrode contact parts, first and second negative electrode contact parts, a first terminal for current connected to the first positive electrode contact part, a first terminal for voltage connected to the second positive electrode contact part, a second terminal for current connected to the first negative electrode contact part, and a second terminal for voltage connected to the second negative electrode contact part that is detachable to the terminal side of the battery cell, and an elevating part fixed to the support, connected to the impedance measuring part, and configured to elevate the impedance measuring part. At least one of the first terminal for current or the second terminal for current is opposite to at least one of the first terminal for voltage or the second terminal for voltage.
Resumen de: US2025306110A1
A battery diagnosis apparatus according to the present disclosure is directed to providing a battery diagnosis apparatus, a battery pack, an electric vehicle and a battery diagnosis method for diagnosing anomalies in a single battery cell or each of a plurality of battery cells connected in series using time-dependent changes in cell voltage of each battery cell without a process of comparing the cell voltage of each battery cell with the cell voltage of other battery cell(s).
Resumen de: US2025309240A1
An alkaline storage battery includes a positive electrode. The positive electrode includes a positive electrode mixture. The positive electrode mixture contains a nickel compound and a metal compound. The nickel compound is a positive electrode active material The metal compound is a compound of at least one metal element selected from the group consisting of titanium, niobium, tungsten, vanadium, molybdenum, zirconium, and tantalum. A ratio Wm/Wn of a mass Wm of the metal compound contained in the positive electrode mixture to a mass Wn of the nickel compound contained in the positive electrode mixture in terms of nickel hydroxide ranges from 0.2/100 to 5.0/100. The metal compound contains iron at a mass ratio ranging from 10 ppm to 10000 ppm. A ratio We/Wp of a mass We of the alkaline electrolyte to a mass Wp of the positive electrode mixture ranges from 0.35 to 1.0.
Resumen de: US2025309244A1
A conversion-type positive electrode and formation thereof. The conversion-type positive electrode includes a composite film and a porous inorganic layer formed on the top surface of the composite film, where the composite film includes an electrically conductive porous material and a conversion-type positive electrode active material, and where the porous inorganic layer does not undergo a reversible redox reaction during cycling of the conversion-type positive electrode.
Nº publicación: US2025309260A1 02/10/2025
Solicitante:
HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD
Resumen de: US2025309260A1
There is provided a positive electrode active material containing a lithium-iron composite fluoride as a principal component, wherein the lithium-iron composite fluoride is represented by the following formula (1):LixFeF(3+x) (1)where, in formula (1), x is a number satisfying 0.4≤x<1.5.
BOPI
Sede Electrónica
