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1821
resultados
Última actualización
13/06/2025 [06:49:00]
Resultados 450 a 475 de 1821
Resumen de: WO2025112364A1
A secondary battery and an electric device. The secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, wherein the negative electrode film layer has a first surface away from the negative electrode current collector and a second surface arranged opposite the first surface; the thickness of the negative electrode film layer is denoted as H; a region within a thickness range from the second surface of the negative electrode film layer to 0.3H is denoted as a first region of the negative electrode film layer, and a region within a thickness range from the first surface of the negative electrode film layer to 0.3H is denoted as a second region of the negative electrode film layer; the first region comprises a first active material, and the second region comprises a second active material; the first active material comprises a first carbon-based material, and the second active material comprises a second carbon-based material; the first carbon-based material comprises an external region and an internal region located on an inner side of the external region, and the external region is a region extending a distance of 2.5 μm from the surface to the interior of particles of the first carbon-based material; in the cross-sectional view of the first carbon-based material, the total pore area of th
Resumen de: WO2025117976A1
Systems and methods for analyzing multi-event electrochemical data using object-detecting deep learning in accordance with embodiments of the invention are illustrated. One embodiment includes a method of detecting and classifying electrochemical mechanisms. The method includes obtaining at least one cyclic voltammogram from an electrochemistry system, and generating one or more datasets from the at least one cyclic voltammogram. The method further includes, evaluating the generated datasets using a machine learning model, determining whether redox events are present in a region of the at least one cyclic voltammogram, and when at least one redox event is determined to be present in a region of the at least one cyclic voltammogram, determining a probability of at least one electrochemical mechanism of the electrochemistry system based on the redox event.
Resumen de: WO2025117489A1
The present disclosure relates to a streamlined process for preparing cathode active materials (CAMs).
Resumen de: WO2025117504A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to solid chalcohalide electrolytes and the efficient synthesis of solid chalcohalide electrolytes. The electrolytes have the general formula AaMbNcXdYeSf and have relatively high ionic conductivity. The electrolytes can be a component of different types of batteries. The process of synthesizing the electrolytes can be done with cost-effective materials, which is useful for scaling-up production of batteries such as all-solid-state batteries.
Resumen de: WO2025116398A1
The present invention provides a lithium secondary battery having improved high-temperature cycle characteristics. In detail, the present invention relates to, and provides a lithium secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes lithium iron phosphate, a loading amount of the positive electrode is from 32 mg/cm2 to 60 mg/cm2, the electrolyte includes a first organic solvent, a second organic solvent, a first additive, and a second additive, the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate organic solvent, the first additive is lithium nitrate (LiNO3), and the second additive is a sulfonylimide compound.
Resumen de: WO2025116389A1
Presented are: a gel polymer electrolyte for a lithium battery; and a lithium battery comprising same, in which the gel polymer electrolyte for a lithium battery comprises a gel polymer and a liquid electrolyte, wherein the liquid electrolyte includes a lithium salt and an organic solvent, and the gel polymer is a cross-linked product of i) a multifunctional acryl-based first polymerizable monomer having at least three polymerizable functional groups and ii) a second polymerizable monomer having a perfluoropolyoxyalkylene (PFPE) unit and at least two polymerizable functional groups.
Resumen de: WO2025116386A1
A battery module of the present invention includes a battery pack having a plurality of battery cells. The battery module includes: a module case accommodating the battery cells; an end plate coupled to the module case; an air-tight unit coupled to the end plate; and a terminal bus bar inserted into the air-tight unit. The terminal bus bar includes a first end drawn out from the end plate and the air-tight unit and a second end contacting the air-tight unit, and the surface of the second end is formed as a composite layer including a resin.
Resumen de: WO2025116590A1
According to one embodiment of the present invention, a positive active material for a lithium secondary battery, a preparation method therefor, a positive electrode comprising same, and a lithium secondary battery are provided, the positive active material comprising: a lithium compound represented by chemical formula 1; and a coating layer formed on the surface of the particles of the lithium compound, wherein the coating layer comprises carbon and a surface modifier, and the D/G band ratio, measured by means of Raman spectroscopy, on the surface of the positive active material is 0.7-0.89. Chemical formula 1 Li1+aTibMncO2-dXd In chemical formula 1, 0.1≤a≤0.5, 0.2≤b≤0.6, 0.2≤c≤0.6, 1.1≤(1+a)/(b+c)≤1.4, 0≤d≤0.2, and X is a halogen element.
Resumen de: WO2025116195A1
The present invention relates to an apparatus for releasing a bolt of a battery module and to a technology capable of not only rapidly releasing a bolt but also releasing bolts having different sizes by using one apparatus, in battery modules arranged and formed through coupling by a bolt. Specifically, the apparatus comprises a separation part (100) for performing a release operation of a bolt for fixing a battery module (10).
Resumen de: WO2025116194A1
The present invention relates to a method for preparing a Prussian blue positive electrode material for a sodium battery using a Taylor reactor and, more specifically, the method comprises: a first mixture preparation step of preparing a first mixture mixed with an iron chloride aqueous solution; a second mixture preparation step of preparing a second mixture mixed with a sodium ferrocyanide aqueous solution, a synthesis step of synthesizing a Prussian blue analog by introducing the mixture prepared in the first mixture preparation step and the mixture prepared in the second mixture preparation step into a Taylor reactor and allowing them to undergo a reaction under nitrogen injection conditions; an aging step of aging the Prussian blue analog prepared in the synthesis step; a washing and filtration step of washing and filtering the Prussian blue analog aged in the aging step with a washing agent; and a drying step of drying the Prussian blue analog washed and filtered in the washing and filtration step. The method for manufacturing a Prussian blue positive electrode material for a sodium battery, consisting of the processes above, exhibits excellent production efficiency with respect to the Prussian blue positive electrode material, and provides the Prussian blue positive electrode material that provides a sodium battery with improved charge/discharge efficiency and capacity retention rate.
Resumen de: WO2025116551A1
An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for acquiring a first differential profile based on a battery differential voltage and capacity that correspond to a charging process, and a second differential profile based on the battery differential voltage and capacity that correspond to a discharging process; and a control unit for calculating the number of charging peaks included in a first capacity section in the first differential profile, calculating the number of discharging peaks included in a second capacity section in the second differential profile, and diagnosing the state of the battery according to the number of charging peaks and the number of discharging peaks.
Resumen de: US2025178483A1
A battery management system includes a plurality of batteries each comprising a positive terminal and a negative terminal, wherein the positive or negative terminal of each of the plurality of batteries is coupled to the positive or negative terminal of another one of the plurality of batteries; a monitoring board connected to the positive terminal and the negative terminal of at least one of the plurality of batteries; and a controller connected to the monitoring board through the positive terminals and the negative terminals of the plurality of batteries, wherein the monitoring board is configured to monitor a status of the at least one battery and transmit one or more battery parameters of the at least one battery to the controller, and wherein the controller is configured to adjust performance of the plurality of batteries based on the one or more battery parameters.
Resumen de: US2025178481A1
A control device for a vehicle includes auxiliary equipment, an auxiliary battery, at least one processor, and at least one memory coupled to the at least one processor. The auxiliary battery is configured to store electric power to be supplied to the auxiliary equipment. The processor is configured to execute processing including: temporarily executing voltage determination for determining whether a voltage of the auxiliary battery is equal to or less than a threshold in a situation where an ignition of the vehicle is turned off; executing charging control for charging the auxiliary battery when it is determined in the voltage determination that the voltage is equal to or less than the threshold; and setting a determination timing at which the voltage determination is executed based on an operating state of the auxiliary equipment.
Resumen de: US2025178479A1
An information processing apparatus includes: a storage unit that stores history data relating to degradation of each of a plurality of energy storage devices; an acquisition unit that acquires history data relating to degradation of an energy storage device mounted on a vehicle; a similarity calculation unit that calculates similarity between the acquired history data and the stored history data; an estimation unit that estimates a degradation index based on the stored history data which is similar to the acquired history data; and a transmission unit that transmits the estimated degradation index to the vehicle.
Resumen de: US2025178917A1
The invention provides a method of producing an annealing separator, an annealing separator and a grain-oriented magnetic steel. An annealing separator obtained by the method has high purity and excellent dispersibility and bonding strength, thus allowing formation of a uniform, dense forsterite layer on the surface of a grain-oriented magnetic steel. The method of producing an annealing separator comprises the following steps: step (1) in which magnesium oxide and an ammonium salt solution are mixed and reacted to prepare a magnesium salt solution and ammonia, and then the purified magnesium salt solution and the ammonia are reacted to obtain magnesium hydroxide, step (2) in which one portion of the obtained magnesium hydroxide is subjected to high temperature ageing at 155 to 230° C. while another portion of the obtained magnesium hydroxide is subjected to low temperature ageing at 10 to 100° C., and step (3) in which the magnesium hydroxides aged under the different conditions are mixed and burned to obtain magnesium oxide for use as an annealing separator.
Resumen de: US2025183430A1
An electric battery comprises a hollow container having a side wall and a bottom wall defining an inner cavity, an upper portion comprising an outer surface; an electrochemical cell inserted into the inner cavity of the hollow container; an insert made of electrically conductive material mechanically and electrically connected to a pole of said electrochemical cell; a lid positioned to close the hollow container at said upper portion; an overlapping region in which the upper portion of the hollow container is positioned axially above the lid and above a connection portion of the insert made of electrically conductive material. A welding between at least the connection portion of the insert made of electrically conductive material and the upper portion (8) of the hollow container, wherein the welding is placed in the overlapping region on the side facing the outer surface of the upper portion of the hollow container.
Resumen de: US2025183425A1
This lid body is used in an electric power storage device, the electric power storage device including: an electrode body; an electrode terminal electrically connected to the electrode body; and an outer packaging film wrapped around the electrode body so as to have an opening, the lid body being located in the opening and including a first part and a second part having the electrode terminal interposed therebetween so as to be able to input and output electric power via the electrode terminal.
Resumen de: US2025183404A1
A battery cell heating apparatus including a heater configured to emit heat to heat a battery cell; a circuit part electrically connected to the heater and configured to supply power to the heater, an insulator at least partially overlapping the circuit part and the heater, the insulator being configured to suppress heat transfer such that the circuit part is not heated by the heat emitted by the heater, and an outer cover which surrounds and fixedly holds the heater, the circuit part, and the insulator.
Resumen de: US2025183388A1
A battery charging and discharging management method. When the charging and discharging management method is implemented, an electronic device may set a lower-limit voltage of a battery to a voltage higher than a theoretical lower-limit voltage, and continuously increase the lower-limit voltage as a battery cycle passes, thereby reducing a charging/discharging volume change rate of a silicon anode as much as possible, and extending a battery life.
Resumen de: US2025183422A1
A battery comprising a cover including a cover main wall and a first cover sidewall extending from the cover main wall at a first substantially perpendicular angle, a base including a base main wall and a first base sidewall extending from the base main wall at a second substantially perpendicular angle, a sidewall structure. A first end of the sidewall structure is coupled against the cover main wall and the first cover sidewall to define a first interior corner therebetween. A second end of the sidewall structure is coupled against the base main wall and the first base sidewall to define a second interior corner therebetween. The first and second interior corners include a substantially zero radius. The cover, the base, the sidewall structure, the first interior corner, and the second interior corner define an interior volume. The battery further comprises a battery cell stack positioned in the interior volume.
Resumen de: US2025183374A1
A secondary battery is provided and includes an exterior member having flexibility, and a positive electrode, a negative electrode, and an electrolytic solution that are housed in the exterior member. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains propyl acetate and propyl propionate. The ratio of the content of propyl acetate in the solvent to the sum of the content of propyl acetate in the solvent and the content of propyl propionate in the solvent is 0.1 or more and 0.5 or less.
Resumen de: US2025183485A1
A laminate configured by laminating a plurality of bipolar electrodes and a plurality of separators in a lamination direction is included, and a frame body that is made of resin and is provided at an outer peripheral portion of the laminate such that the frame body is connected to current collector foils that are parts of current collectors of the bipolar electrodes where positive electrode active material layers and negative electrode active material layers are not formed and spacers that are made of an insulating material and are located between the current collector foils and the separators such that the distance in a perpendicular direction that is a direction perpendicular to the lamination direction up to the positive electrode active material layers and the negative electrode active material layers is longer than the distance in the perpendicular direction up to the frame body are included.
Resumen de: US2025183490A1
Embodiments of the present application provide a connecting terminal, a battery, and an electrical device. The connecting terminal is used for connecting a sampling circuit and a busbar, including: a first connecting portion including a snap-fit structure, the snap-fit structure being used for snap-fit connection with the busbar; and a second connecting portion connected to the first connecting portion, the second connecting portion being electrically connected to the sampling circuit.
Resumen de: US2025183486A1
In the electrode laminate of the present disclosure, a fixing member including a curable resin is disposed on at least one side surface portion. In the electrode laminate of the present disclosure, the fixing member is composed of two or more partial fixing members spaced apart from each other. Further, the battery of the present disclosure includes the electrode laminate of the present disclosure and a laminate film sealing the electrode laminate.
Nº publicación: US2025183483A1 05/06/2025
Solicitante:
TAKAUJI KEIGO [JP]
OHKIMOTO MIKU [JP]
ARITA MANABU [JP]
TERAI NOZOMI [JP]
NOSE DAISUKE [JP]
SUGIHARA NAOKI [JP]
YAMAZAKI TAKUYA [JP]
KAI SAYAKA [JP]
KURIYAMA HIROMICHI [JP]
ABE NAOTO [JP]
TAKAUJI Keigo,
OHKIMOTO Miku,
ARITA Manabu,
TERAI Nozomi,
NOSE Daisuke,
SUGIHARA Naoki,
YAMAZAKI Takuya,
KAI Sayaka,
KURIYAMA Hiromichi,
ABE Naoto
Resumen de: US2025183483A1
A method of manufacturing a laminate for a battery is provided that includes forming an insulating layer by applying a liquid composition onto a first electrode, and placing a second electrode on the first electrode formed with the insulating layer. The forming and the placing are implemented by a conveyance series.
BOPI
Sede Electrónica
