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659
resultados
Última actualización
03/08/2026 [08:20:00]
Resultados 400 a 425 de 659
Resumen de: US20260216548A1
0000 Disclosed is a composition, a fire extinguishing device, and a use thereof, which can be applied to a product or element with a possibility of heat generation, ignition, and/or explosion during drive, storage, and/or maintenance processes to effectively respond to the heat generation, ignition, and/or explosion. The composition is substantially non-flammable and non-toxic.
Resumen de: US20260219333A1
0000 A battery energy storage system (BESS) and a method therefor is disclosed. The BESS includes a power converter system (PCS) for charging/discharging a battery including battery module(s) by using a superimposed control signal in which an electrochemical impedance spectra (EIS) reference signal for a state of health (SOH) evaluation of the battery is superimposed on a control signal for charging/discharging the battery. The EIS reference signal has a frequency selected for EIS. The BESS includes sensor(s) for detecting response data of the battery in the charging/discharging via the superimposed control signal. The BESS includes multiple levels of controller distributed in the BESS, the respective levels of controller communicating with each other. The response data being accessible to the respective levels of controller. The SOH evaluation is conducted in such a dynamic manner that the response data is processed at any level of controller to obtain a result.
Resumen de: US20260221542A1
0000 The disclosure relates to a contacting circuit board for an energy storage module, in particular a lithium-ion battery, having a flexible plastic substrate which provides first conductor tracks for an electric connection of a sensor circuit board to connection poles of the energy storage module, wherein the plastic substrate has a first large side and a second large side oriented parallel hereto, wherein one of the two large sides is equipped with a heating device and wherein contacting elements interacting with the connection poles of the energy storage module are provided which are spaced apart from the plastic substrate.
Resumen de: US20260221594A1
0000 Provided is a binder composition for a non-aqueous secondary battery functional layer that inhibits the formation of aggregates in a situation in which inorganic particles are compounded and is capable of forming a functional layer that can improve high-temperature storage characteristics of a secondary battery. The binder composition for a non-aqueous secondary battery functional layer contains a particulate polymer A and a dispersion medium. The electrical conductivity of the binder composition for a non-aqueous secondary battery functional layer at a solid content concentration of 20 mass % is not less than 1.0 mS/cm and not more than 10 mS/cm.
Resumen de: US20260221796A1
0000 A mobile power distribution system is provided. In one example embodiment, the mobile power distribution system can include a wireless module, a display with a graphical user interface, and a battery charger system. The wireless module can communicate data associated with the mobile power distribution system via one or more wireless communication links. The battery charger system can include one or more input power sources, a power bus coupled to the one or more input power sources, a communication bus coupled to the one or more input power sources and to the power bus, and one or more charger devices coupled to the power bus and the communication bus. The battery charger system can be configured to provide bus power to the one or more charger devices based at least in part on one or more arbitration schemes configured to allocate bus power between the one or more charger devices.
Resumen de: US20260221606A1
0000 A power storage device includes: an electrode group including a first electrode and a second electrode; a plurality of tabs each connected to the first electrode and overlapping each other; and a terminal member positioned opposite the electrode group with the plurality of tabs therebetween, the terminal member being welded to the plurality of tabs through irradiation with a laser in the direction from the terminal member toward the electrode group. At least a tab of the plurality of tabs that is located closest to the electrode group has a folded portion that is a part of the tab folded over itself and that has a part of a laser processing trace by the laser.
Resumen de: US20260221540A1
0000 In one aspect, a battery pack has a cooling assembly. The cooling assembly includes a first flow channel structure and a second flow channel structure. A liquid outlet of the first flow channel structure is configured to be in communication with a liquid inlet of the second flow channel structure; and the first flow channel structure is configured to dissipate heat for a non-pole region of a battery set, and the second flow channel structure is configured to dissipate heat for a pole region of the battery set.
Resumen de: US20260221495A1
The present disclosure relates to an all-solid-state battery that can be applied to a secondary battery and that is, for example, a secondary battery using a solid electrolyte. The present disclosure provides an all-solid-state battery using a solid electrolyte, comprising: a first electrode layer; a second electrode layer positioned to face the first electrode layer; a first battery region defined between the first electrode layer and the second electrode layer; a second battery region defined in a position adjacent to the first battery region between the first electrode layer and the second electrode layer; and a cathode layer positioned in the first battery region and the second battery region.
Resumen de: US20260217482A1
Device for the energy cell manufacturing industry, comprising a feed device which is adapted to feed segments, whereinthe device further comprises at least two production devices arranged parallel to one another in the production flow, which are each adapted to perform a production step on or with a fed segment, andat least one discharge device which is adapted to discharge the segments from the production devices, whereinthe segments are transferred from the feed device to the production devices by means of a transfer device, and whereinthe device can be controlled and/or regulated by means of a control signal from a control device in such a way that a segment taken over from the feed device is transferred by the transfer device in a targeted manner to a specific production device of the at least two production devices.
Resumen de: US20260221438A1
The present disclosure relates to a precursor of a positive electrode active material for a lithium secondary battery, a method for manufacturing a positive electrode active material using the same, and a lithium secondary battery including the positive electrode active material manufactured thereby. In one embodiment, the precursor of a positive electrode active material for a lithium secondary battery may have a full width at half maximum (FWHM) of a diffraction peak of the (200) plane measured by X-ray diffraction in a range from 0.28° to 1.30°.
Resumen de: US20260217562A1
A method for manufacturing an aqueous slurry comprising hydroxide or oxyhydroxide particles of one or more elements, wherein the one or more elements include at least one of Ni, Co and Mn, comprises supplying a flow of a metal salt solution comprising the one or more elements to a reactor vessel for a time period; during the time period, mixing the metal salt solution with an aqueous solution comprising one or more alkali hydroxides, thereby precipitating the hydroxide of the one or more elements and forming the aqueous slurry comprising the hydroxide or oxyhydroxide particles of the one or more elements. The metal salt solution has a flow rate expressed as a volume per unit of time. The mathematical product of the flow rate and the concentration increases continuously during the time period.
Resumen de: US20260217560A1
The invention is in general related to hydroxides for precursors of cathode materials for rechargeable batteries. Particularly, the invention is related to methods for manufacturing aqueous slurry/slurries comprising hydroxide(s) of at least one metal element such as Ni, Co, and/or Mn. The aqueous slurry/slurries may subsequently be used in various applications, especially for making precursors for lithium transition metal oxides for rechargeable batteries.
Resumen de: US20260217563A1
0000 The present invention relates to a powderous material comprising a hydroxide or oxyhydroxide of one or more metal elements for preparing a positive electrode active material for secondary batteries, wherein the one or more metal elements include at least one of Ni, Co and Mn, wherein the material comprises secondary particles comprising a plurality of primary particles, wherein the material has a median particle size D50 between 3.0 μm and 20.0 μm as determined by laser diffraction, wherein said primary particles have a particle-based thickness distribution as determined by measuring primary particle thickness in an image taken by SEM, wherein said thickness distribution has a median thickness between 180 nm and 600 nm, andwherein the material has a span value (D90−D10)/D50 being at most 0.6, preferably at most 0.4, more preferably at most 0.2.
Resumen de: AU2024350446A1
A positive electrode sheet, and a preparation method for the positive electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer arranged on the surface of at least one side of the positive electrode current collector, wherein the positive electrode active material layer comprises a dispersion aid, lithium iron phosphate, electrically conductive carbon black and carbon nanotubes. The materials in the positive electrode active material layer satisfy the relational expression: 30≤(B1×C1+B2×C2+B3×C3)/A×0.01≤500, where A is the mass ratio of the dispersion aid in the positive electrode active material layer, B1 is the specific surface area of lithium iron phosphate, C1 is the mass ratio of lithium iron phosphate in the positive electrode active material layer, B2 is the specific surface area of the electrically conductive carbon black, C2 is the mass ratio of the electrically conductive carbon black in the positive electrode active material layer, B3 is the specific surface area of the carbon nanotubes, and C3 is the mass ratio of the carbon nanotubes in the positive electrode active material layer. By rationally matching the specific surface areas of lithium iron phosphate, the carbon black and the carbon nanotubes with the addition amounts of lithium iron phosphate, the carbon black, the carbon nanotubes and the dispersion aid in the positive electrode active material layer, the good dist
Resumen de: US20260221635A1
0000 An end cover, a battery cell, a battery, and a power consuming device. The end cover includes: a cover body, a first insulating member, and a second insulating member. The first insulating member is fixedly connected to the cover body, and one end of the first insulating member forms a first connecting end. The second insulating member is fixedly connected to the cover body, and one end of the second insulating member forms a second connecting end. The first connecting end and the second connecting end are oppositely disposed and fixedly connected.
Resumen de: US20260221597A1
A fast-charging secondary battery includes an electrode assembly. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate includes a positive electrode current collector, the positive electrode current collector integrally extending to form a plurality of positive electrode tabs. The negative electrode plate includes a negative electrode current collector, the negative electrode current collector integrally extending to form a plurality of negative electrode tabs. The separator includes a separator substrate, a first adhesive coating layer, and a second adhesive coating layer. The first adhesive coating layer contains a first polymer binder, an average particle size of the first polymer binder being in a range of 0.3 μm to 3 μm. The second adhesive coating layer contains a second polymer binder, an average particle size of the second polymer binder being in a range of 4 μm to 15 μm.
Resumen de: US20260221627A1
0000 The present application provides a battery cell, a battery, and a power consuming apparatus, relating to the field of batteries. The battery cell includes an electrode terminal, an electrode assembly, and an adapter piece. The adapter piece connects the electrode terminal and the electrode assembly. The adapter piece includes a main body region and a thinned region that are connected. A thickness of the thinned region is less than a thickness of the main body region. The thinned region is configured to be welded to the electrode terminal. This can solve the problem that other parts are easily damaged during a process of welding the adapter piece and the electrode terminal.
Resumen de: US20260221576A1
0000 A battery module includes a cell assembly including a plurality of battery cells stacked on each other; a module case configured to store the cell assembly in an inner space and having venting holes formed thereon; and a cover member including a plurality of fire-resistant layers, which have outlet holes respectively formed thereon and are spaced apart from each other, and coupled to the outer surface of the module case such that the venting holes and the outlet holes communicate with each other. The outlet holes of one fire-resistant layer and the outlet holes of the other fire-resistant layer facing the same may be configured so as not to overlap each other.
Resumen de: US20260221535A1
0000 A thermal regulation device for an electrical component that is liable to release heat during operation. The device includes a first plate and a second plate, which is assembled with the first plate, each being delimited by edges, in order to form together a plurality of circulation channels for a heat transfer fluid. The plurality of channels define a channel zone, at least one of the plates is pressed in order to form a portion of the walls of the channels, the assembly of the two plates being carried out by laser welding at the walls of the channels. A zone defining at least partially the perimeter of the channel zone includes an assembly mechanism different from transmission laser welding, the different assembly mechanism is selected from among filler wire laser welding, adhesive bonding, friction stir welding, or a combination thereof.
Resumen de: US20260221463A1
The present invention addresses the problem of providing: a current collector in which it is possible to suppress the occurrence of voids caused by resin breakdown gases or the like that arise due to charging/discharging, etc., of a secondary battery, particularly when the current collector is used in a negative electrode; and a polyester film in which there is little occurrence of voids caused by breakdown gases or the like when charging/discharging is performed, particularly when the polyester film is used as a negative-electrode current collector. The means for solving the aforementioned problem is a current collector comprising a polyester film and a layer (M layer) that is composed of metal and/or a metal-based compound, the maximum reduction current peak intensity of the current collector in CV measurement (0.01-2.0 V, 10 cycles) being 0.000 mA/cm2 to 0.050 mA/cm2 inclusive.
Resumen de: US20260221441A1
A positive electrode active material includes a lithium composite transition metal oxide which is in the form of a single particle and includes two or more selected from nickel, cobalt, or manganese, wherein the lithium composite transition metal oxide has a particle size distribution satisfying Expression 1:0.03≤skewnessmodevalue×3≤0.04Expression1wherein the skewness is a value calculated according to Expression 2 below:3×(volumeaverageparticlediameter(unit:μm)value)- (D50(unit:μm)value)standarddeviationoflithiumcomposite transitionmetaloxideparticlediameterExpression2
Resumen de: US20260221440A1
A positive electrode active material including a lithium composite transition metal oxide which is in the form of a single particle or of a secondary particle in which at most 10 primary particles are aggregated, and which includes two or more selected from nickel, cobalt, and manganese, wherein the lithium composite transition metal oxide has a particle size distribution satisfying Expression 1:0.04
Resumen de: US20260221592A1
0000 A battery pack according to the present disclosure is disclosed. The battery pack of the present disclosure includes: a main frame provided with an accommodating space and an open upper portion; a side beam dividing the accommodating space where a battery module is accommodated and provided with an inner space spatially connected to the accommodating space, the side beam including a gas inlet disposed at two widthwise ends thereof that spatially connect the accommodating space and the inner space; and a lid covering the accommodating space of the main frame and provided with a flowing space connected to the inner space and an exhaust outlet connected to the flowing space.
Resumen de: US20260218342A1
The present disclosure relates to composite material comprising metal, carbon and optionally heteroatoms and methods of their use in electrochemical reactions.
Nº publicación: US20260219323A1 30/07/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Resumen de: US20260219323A1
A battery life estimation apparatus includes a charging/discharging unit configured to charge/discharge a battery and a controller configured to calculate a partial accumulative capacity by charging/discharging the battery in a partial voltage period corresponding to a period from a first voltage to a second voltage, and estimate a life corresponding to an entire voltage period of the battery by inputting the first voltage, the second voltage, and the partial accumulative capacity to an estimation model trained based on machine learning.
BOPI
Sede Electrónica
