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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 950 a 975 de 1724
Resumen de: US20260070450A1
A battery charging station is disclosed that includes an electrical system including a charging interface, a communications system including a wireless interface, and a control system. The control system is configured to receive a charging request to initiate a battery charging operation for a battery system of a mobile platform, establish a wireless communications link with the mobile platform via the wireless interface, and receive health status data for the battery system from the mobile platform over the wireless communications link via the wireless interface. The control system is further configured to enable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a first condition, and to disable charging of the battery system of the mobile platform via the charging interface responsive to the health status data satisfying a second condition indicating a fault of the battery system.
Resumen de: US20260070431A1
A shielding structure for a battery unit located above a panel and under in-vehicle equipment in a vehicle includes: a fibrous first sound-absorbing member located on the panel and in contact with a lower part of the battery unit; and a fibrous second sound-absorbing member surrounding an upper part and side parts of the battery unit. The battery unit is surrounded by the first sound-absorbing member and the second sound-absorbing member.
Resumen de: US20260070805A1
A positive electrode material and a preparation method thereof, a positive electrode slurry, a positive electrode plate, a lithium ion battery and a preparation method thereof are provided. The battery comprises an electrolyte, the electrolyte comprises lithium hexafluorophosphate and an organic solvent, the positive electrode material comprises a positive electrode active substance and lithium carbonate, the lithium carbonate is coated on the surface of the positive electrode active substance, and a mass ratio of the positive electrode active substance to the lithium carbonate is 1:(0.001-0.03).
Resumen de: US20260070469A1
A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.
Resumen de: US20260074199A1
Provided in the present application are an electrode sheet and a lithium-ion battery including the same; the active layer of the electrode sheet includes a first layer and a second layer, wherein the first layer is disposed close to the current collector, the second layer is disposed on one side of the first layer which is facing away from the current collector, and the mass percentage of the binder in the first layer is greater than that of the second layer; by redistributing the binder, the peeling force and adhesion are ensured, and simultaneously the migration of the binder is improved; the influence of binder migration on uniformity and conductivity is reduced, thereby, the manufacturability and electrical properties such as energy density of the electrode sheet are improved.
Resumen de: US20260074192A1
The present disclosure relates to a positive electrode for a lithium secondary battery, which includes a current collector film including a resin layer and a metal layer provided on each of both surfaces of the resin layer and a positive electrode mixture layer formed on the current collector film, in which the positive electrode mixture layer contains first positive-electrode active material particles having a median diameter D50 of 10 μm or more and 25 μm or less, second positive-electrode active material particles, and two or more kinds of binders, a median diameter D50 ratio of the second positive-electrode active material particles to the first positive-electrode active material particles is 0.75 or less, and a mass ratio of the first positive-electrode active material particles to the second positive-electrode active material particles in the positive electrode (a content of the first positive-electrode active material particles in the positive electrode/a content of the second positive-electrode active material particles in the positive electrode) is 1.5 or more and 9.0 or less.
Resumen de: US20260074196A1
An embodiment composite negative electrode active material for an all-solid-state battery includes a negative electrode active material including a silicon-based active material and a coating layer including a solid electrolyte and coating a portion of a surface of the negative electrode active material, wherein a ratio (E/T) of a Young's modulus (E) of the solid electrolyte to a thickness (T) of the coating layer satisfies 0.02<E/T<0.06.
Resumen de: US20260074198A1
Embodiments described herein relate to a method comprising soaking a wood in a mild acid, soaking the wood in an iron containing solution, pyrolizing the wood, heat treating the wood to create a graphitized monolith, leaching the graphitized monolith to remove iron remaining in the graphitized monolith, and infiltrating the graphitized monolith with sulfur to create a cathode. Embodiments described herein relate to a method of fabricating a sulfur-carbon composite cathode as shown and described herein. Embodiments described herein relate to a sulfur-carbon composite cathode as shown and described herein.
Resumen de: US20260074188A1
An anodeless all-solid-state battery includes an anode current collector, a composite structure layer positioned on the anode current collector, a solid electrolyte positioned on the composite structure layer, and a cathode positioned on the solid electrolyte, in which the composite structure layer includes a carbon layer including a carbon material, and a metal deposition layer positioned on the carbon layer and including lithiophilic metal particles.
Resumen de: US20260074374A1
The disclosure provides a battery, including a first electrode plate and a separator, the first electrode plate including a first current collector and a first coating located on a surface of the first current collector. The first coating is connected to the separator, and a surface of the first coating is provided with a recess, and an air permeability S of the separator and a width L of the recess satisfy: 5000 μm·sec/100 cc≤S×L≤75,000 μm·sec/100 cc, where S is in sec/100 cc and L is in μm. The disclosure can improve the rate capability of the battery while reducing the voltage drop of the battery and reducing the risk of short circuit.
Resumen de: US20260074539A1
A battery control device includes: a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit including: a first switch connected between a positive terminal for the first battery module and the external load; a second switch connected between a negative terminal for the first battery module and the external load; and a first controller configured to control an open/closed state of the first and second switches. The first controller may be configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed.
Resumen de: US20260074362A1
A secondary battery includes an electrode assembly, a pouch type case including an accommodation portion for accommodating the electrode assembly and a sealing portion for sealing the accommodation portion, an electrode lead connected to the electrode assembly and protruding to the outside of the pouch type case via the sealing portion, a lead film disposed between the electrode lead and the pouch type case, and a gas guide portion disposed between the electrode lead and the lead film. The gas guide portion includes a first layer having a modified polyolefin resin in contact with the electrode lead, and a second layer disposed on the first layer.
Resumen de: US20260074353A1
Examples of the disclosure include a spacer including a polymer matrix, and an endothermic flame retardant dispersed in the polymer matrix. The polymer matrix includes a fiberized polymer, and the endothermic flame retardant is included in a content in a range of about 60 wt % to about 98 wt % with respect to a total weight of the spacer.
Resumen de: US20260074368A1
Improved battery separators, batteries, and systems, as well as methods relating thereto are disclosed herein for use in various lead acid batteries such as valve-regulated lead acid (VRLA) batteries that include one or more AGM layers. The improved battery separators described herein may provide a battery system with an advantage of a significantly decreased acid filling time and a significantly increased acid filling speed. Various improved batteries, methods and systems are described herein using such improved battery separators that increase acid filling speed and decrease acid filling time for a VRLA battery.
Resumen de: US20260074348A1
Disclosed are a universal washer, a fastening apparatus, and a battery pack. The universal washer may be interposed between a fastening bolt and a fastening nut for fixing one or more connection members to be in contact with a lower surface of the one or more connection members and may be formed with a through hole through which a shaft at a lower part of a head of the fastening bolt passes. A concave curved portion may be formed in a peripheral portion of the through hole in a direction of travel of the shaft of the fastening bolt, and a flat rim portion may be formed on a rim of the universal washer.
Resumen de: WO2026051252A1
Provided in the present application are a precursor having a porous isolation layer, a positive electrode material, and the preparation therefor and the use thereof. The precursor comprises an inner core, a porous isolation layer covering the inner core, and an outer shell covering the porous isolation layer. The porosity of the porous isolation layer is higher than the porosities of the inner core and the outer shell. The precursor provided by the present application has the porous isolation layer, which blocks the propagation of micro-cracks and provides more space for release of stress built-up by volume expansion/contraction during deep charge and discharge processes, thereby ensuring that a positive electrode material prepared by the precursor has a stable structure and shape during cycle processes, and improving the cycle performance of batteries containing the positive electrode material prepared from the precursor.
Resumen de: WO2026051291A1
A secondary battery and a manufacturing method therefor, an electrode sheet, and an electric device (6). The secondary battery comprises an electrode sheet; the electrode sheet comprises a current collector and an electrode active layer disposed on at least one surface of the current collector; and the electrode active layer comprises an electrode active material and a polymer binder. The polymer binder comprises a core and a shell covering at least part of the surface of the core; at least one of the shell and the core comprises a polymer; both the shell and the core have hole structures; and the number of holes in the shell is greater than that of holes in the core.
Resumen de: WO2026051235A1
Disclosed in the present application is a battery liquid cooling system, comprising: a battery module formed by stacking a plurality of battery cells; a battery casing, an accommodation recess being provided in the battery casing, and the battery module being assembled in the accommodation recess; flow channel plates, located between at least two adjacent battery cells, liquid cooling flow channels being provided in each flow channel plate, and the liquid cooling flow channels being spaced apart from the battery cells, or each flow channel plate being attached to a side surface of a battery cell on at least one side to form liquid cooling flow channels; an immersion liquid inlet, a cooling liquid being introduced into the accommodation recess through the immersion liquid inlet; and an immersion liquid outlet, the immersion liquid outlet being in communication with the accommodation recess, and the liquid cooling flow channels being in communication with the accommodation recess.
Resumen de: WO2026051628A1
A secondary battery and an electronic apparatus. The secondary battery comprises: a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are provided on the positive electrode current collector; and the insulating layer comprises boehmite, the positive electrode material layer comprises lithium iron phosphate and lithium manganate, and the electrolyte comprises lithium difluorophosphate. The present application not only improves the floating charge safety of secondary batteries, but also reduces the rate of particle fragmentation.
Resumen de: US20260070403A1
A battery module for an electric vehicle capable of improving NVH performance mounted on a vehicle body includes a battery casing, a plurality of cells disposed in series in a vehicle front-rear direction, a support portion for supporting each of the plurality of cells, and a partition portion disposed between the adjacent cells. When support rigidity of the support portion is y N/m, mass of each of the cells is m kg, a value of tan δ as a loss factor of the support portion is x, and a minimum value ymin of y is ymin=5.184×109 (1/x)2(1/m)3, a maximum value ymax of y is ymax=482.2531x2m5, and ymin
Resumen de: US20260074259A1
Disclosed are an apparatus and a method for folding sides of a pouch-type battery and a die for the same. The apparatus for folding sides of a pouch-type battery includes a die including a folding formation space including an inlet through which a side of a pouch-type battery enters, an outlet through which the side of the pouch-type battery exits, and a side opening formed on one side of the die to guide side of the pouch-type battery to pass therethrough, and a transfer unit that transfers the pouch-type battery along a longitudinal direction of the die. A space between the inlet and the outlet of the folding formation space is formed so that the side of the pouch-shaped battery having entered the inlet is gradually folded while moving and finally the outlet has a final folding shape.
Resumen de: US20260074225A1
A positive electrode 13 for secondary battery of the present disclosure includes a positive electrode current collector 11 and a positive electrode active material layer 12 supported on the positive electrode current collector 11, where the positive electrode active material layer 12 includes a positive electrode active material and polyvinyl alcohol modified with a phosphorus compound. A method for manufacturing the positive electrode 13 for secondary battery includes: preparing a polymer solution including polyvinyl alcohol, a phosphorus compound, and a solvent; preparing a positive electrode slurry including the polymer solution and the positive electrode active material; and applying the positive electrode slurry to the positive electrode current collector 11 to form the positive electrode active material layer.
Resumen de: US20260074219A1
A cathode active material for lithium secondary batteries, a method of preparing the same, a cathode including the same, and a lithium secondary battery including the cathode are provided. The cathode active material includes nickel-based lithium metal oxide secondary particles each including a plurality of large primary particles, the nickel-based lithium metal oxide secondary particles having a hollow structure having pores therein, each of the plurality of large primary particles having a size of about 2 μm to about 6 μm, and each of the nickel-based lithium metal oxide secondary particles having a size of about 10 μm to about 18 μm; and a cobalt compound-containing coating layer on surfaces of the nickel-based lithium metal oxide secondary particles.
Resumen de: US20260074197A1
A lithium-ion battery component and method of manufacture are presented. An active material layer with a lithiophilic nitrate compound is mixed with graphite particles and coated onto a current collector. Upon polarization, lithiophilic nanoparticles form on the graphite surfaces, while nitrate anions remain in the electrode structure. The lithiophilic nanoparticles inhibit lithium plating during charging and increase electronic conductivity. The nitrate anions weaken lithium ion solvation in the electrolyte, facilitating faster lithium ion intercalation into the graphite.
Nº publicación: US20260074183A1 12/03/2026
Solicitante:
SILA NANOTECHNOLOGIES INC [US]
Sila Nanotechnologies, Inc
Resumen de: US20260074183A1
A method of making silicon-carbon composite particles is disclosed. The method includes: (A1) carrying out metallothermic reduction on initial particles comprising silicon oxide in the presence of a metal to form first intermediate particles comprising (1) an oxide of the metal and (2) silicon; (A2) forming a termination material on and in the first intermediate particles to form second intermediate particles; (A3) selectively removing the oxide of the metal from the second intermediate particles to form third intermediate particles; and (A4) forming a protective material on and in the third intermediate particles to form the silicon-carbon composite particles. In some implementations, the metal comprises magnesium or a magnesium-aluminum alloy. Silicon-carbon composite particles, lithium-ion rechargeable batteries, and other related processes and components are also disclosed.
BOPI
Sede Electrónica
