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1380
resultados
Última actualización
14/03/2026 [07:18:00]
Resultados 125 a 150 de 1380
Resumen de: US20260070791A1
According to various embodiments of the present invention, a silicon composite may include: pure silicon grains; and a buffer layer coated on the surface of the pure silicon grains. A method for manufacturing the silicon composite according to various embodiments of the present invention may include: a step of pulverizing metallurgical-grade silicon particles; and a step of forming a buffer layer layer on the surface of the pulverized metallurgical-grade silicon grains. An anode for a secondary battery according to various embodiments of the present invention may include the silicon composite. A secondary battery according to various embodiments of the present invention may include the anode.
Resumen de: US20260071062A1
The invention relates to a polymer comprising or essentially consisting of monomer units derived from 1,3-butadiene, acrylonitrile and optionally, methacrylic acid, wherein the weight content of monomer units derived from 1,3-butadiene is at most 65 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufacturing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and γ-valerolactone.
Resumen de: US20260074214A1
A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxygen, magnesium, and nickel. A median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. In EDX line analysis in a depth direction on a region of the positive electrode active material having a plane other than a (001) plane, a distribution of the magnesium partly overlaps with a distribution of the nickel. The conductive material adheres to part of the plane other than the (001) plane of the positive electrode active material.
Resumen de: US20260074205A1
A negative electrode structure for a secondary battery (10) includes: a body (12) that is in a form of a foil or a thin plate and contains zinc as a base material; and a non-electron conductive film (11) provided on at least a first surface of the body (12). The film (11) is stretchable. The film (11) includes: an opening portion (13) formed to expose a portion of a first surface of the body (12); and an electrode reaction inhibiting portion (14) that surrounds the opening portion (13) and inhibits an electrode reaction in the body (12). The film (11) is attached to the body (12) in a liquid-tight manner.
Resumen de: US20260074234A1
Examples of the disclosure include a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least one of copper and copper oxide. The metal layer includes a first metal layer on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer on the first metal layer and including a second copper. The adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: US20260074209A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less.
Resumen de: US20260074203A1
A lithium-metal secondary battery, which includes a highly reduction-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a lithium deposition dissolution efficiency of 98.5% or more, which lithium deposition dissolution efficiency is the proportion of the amount of redissolution of lithium to the amount thereof deposited on the copper surface, wherein the relative density of a lithium metal layer in a negative electrode is 40 to 85%. In addition, a lithium-metal secondary battery, which includes a highly oxidation-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a voltage of 5.5 V or more when the current density is 0.4 mA/cm2 using lithium as a counter electrode and platinum as a working electrode, wherein the relative density of a lithium metal layer in a negative electrode is 70 to 95%.
Resumen de: US20260074330A1
A battery housing includes a shell and a cover plate. The shell includes a side frame, and the side frame includes a first open end. The cover plate is arranged at the first open end. One of the shell and the cover plate is provided with an annular recessed portion, and the other one of the shell and the cover plate is matched with the recessed portion. When the cover plate covers the first open end of the shell, the cover plate and the shell are limited by matching by means of the recessed portion, to prevent the cover plate from moving relative to the shell during welding.
Resumen de: US20260074324A1
Disclosed is a composite substrate for a rechargeable lithium battery including a support layer having a first surface and a second surface that are opposite to each other, a first metal layer on the first surface, and a second metal layer on the second surface. The support layer includes a plurality of first through parts penetrating the first surface and spaced apart from each other along a first direction, and a plurality of second through parts penetrating the second surface and spaced apart from each other along the first direction. The plurality of first through parts and the plurality of second through parts are alternately disposed along the first direction, and the first direction is substantially parallel to the first surface.
Resumen de: US20260074325A1
A secondary battery, a battery module, and/or a method for manufacturing the secondary battery are disclosed. A secondary battery includes a case accommodating an electrode assembly, and a terminal coupled to the case, and the terminal includes a softened region.
Resumen de: US20260074310A1
A secondary battery test apparatus and a test method using the same are disclosed. According to one aspect of the present disclosure, there is provided a secondary battery test apparatus including an outer case having an inner chamber, and an inner case disposed in the inner chamber, wherein the inner case includes a plurality of partition spaces, in which each secondary battery, which is a test subject, is disposed, and a barrier cover that is fastened to a barrier, which is a test subject, between adjacent partition spaces to seal a space between the barrier and the inner case between the adjacent partition spaces.
Resumen de: US20260074249A1
A multi-module fuel cell system includes a plurality of fuel cell stacks, at least one battery connected to the plurality of fuel cell stacks, and a controller configured to determine whether the plurality of fuel cell stacks and the at least one battery are allowed to provide outputs in response to input of a required output, and controls either the plurality of fuel cell stacks or the at least one battery, selectively, to provide an output to satisfy the required output based on a result of determination as to whether outputs are allowed to be provided, and a method of controlling the same.
Resumen de: US20260074297A1
Carbon batteries are attractive from an environmental perspective, as they have carbon-only electrodes and are therefore metal-free. The current invention refers to secondary carbon batteries with water-based brine electrolytes. These electrolytes have low toxicity, are not flammable, and allow for easy on-site battery recycling. The operating voltage of the inventive secondary carbon batteries can reach up to 1.8 V. These carbon batteries are best suited for electric storage utilities in renewable energy installations.
Resumen de: US20260074235A1
An electrode and a secondary battery are disclosed. An electrode includes a substrate, and a coating layer including a first coating layer coated on a side of the substrate in a first direction, and a second coating layer coated on another side of the substrate in a second direction, and the coating layer includes a first layer and a second layer located on the first layer and defining a step with the first layer.
Resumen de: US20260074223A1
Disclosed is a negative electrode for a lithium secondary battery that enables the provision of a lithium secondary battery having a higher energy density and can fundamentally prevent the electrolyte decomposition reaction and the lithium dendrite formation, a method for manufacturing the same and a lithium secondary battery including the same.
Resumen de: US20260074266A1
An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device (3) of said winding heads (10) configured to displace said winding heads (10) along a working path (P). Each winding head (10) is configured to wind said strip-shaped article (N) so as to make said coil (B) and is movable along said working path (P). The feed unit (2) comprises a movable portion (20) configured to be displaced along a substantially horizontal displacement direction (d).
Resumen de: US20260074277A1
The present disclosure relates to a solid-state battery cell and methods for its manufacture. The battery cell includes a silicon-based anode with a sulfide anolyte, a nickel cobalt manganese cathode with an oxychloride catholyte, and a bi-layer solid electrolyte separator that is positioned between and in direct contact with the anode and the cathode. The separator includes a first layer of sulfide-type solid electrolyte adjacent to the anode and a second layer of oxychloride-type solid electrolyte adjacent to the cathode.
Resumen de: US20260074373A1
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: US20260074392A1
Battery cells, including a connection point for electrically contacting the battery cell by a cell connector, wherein a surface of the connection point facing away from the battery cell has an inner section, an outer section, and a bending point at which the inner section merges into the outer section, and wherein the outer section of the surface descends with respect to the bending point, are provided. Systems including a battery cell and a cell connector corresponding to the battery cell, wherein the cell connector has a respective contact surface for electrical contacting of the battery cell, and the respective contact surface of the cell connector has a deformation that deviates from a plane in a predetermined manner, are further provided. Methods for producing a battery cell assembly are further provided.Battery cell assemblies are further provided.
Resumen de: US20260074400A1
The present disclosure provides a bonding structure, a bonding method, an insulating adhesive tape, and a battery. The insulating adhesive tape includes a first bonding area and a second bonding area disposed at intervals, and a non-bonding area disposed between the first bonding area and the second bonding area. The first bonding area is configured to bond a cell, the second bonding area is configured to bond a welding area formed by a tab of the cell and a current collector, and the non-bonding area is configured to correspond to a bending area of the tab.
Resumen de: US20260074380A1
Sealed busbar assemblies are provided for use within traction battery packs. An exemplary sealed busbar assembly may be configured to electrically connect a first battery array and a second battery array of the traction battery pack. Primary seals and secondary seals of the sealed busbar assembly may cooperate to seal high voltage connections relative to both the first battery array and the second battery array. The high voltage connections may be established by the busbar, a pair of fasteners, and high voltage array busbars of both the first battery array and the second battery array.
Resumen de: US20260074360A1
A battery pack for housing a plurality of cell assemblies includes a pack case providing a space for a cell assembly to be seated. The pack case includes: a base plate supporting the lower part of a cell assembly; and a hollow-structured side wall coupled along a border of the base plate to support a side part of the cell assembly. The side wall includes: a gas flow path through which gas can move therein; and a through-hole formed on the gas flow path such that the gas flow path communicates with a space in the pack case, the side wall being coated with a protective layer including at least one among an insulating material and a flame retardant on the inside.
Resumen de: US20260074301A1
A modified solid electrolyte, a preparation method thereof, a solid-state battery, and an electric apparatus are disclosed. Components of the modified solid electrolyte include a solid electrolyte substrate and a phase-transforming toughening agent dispersed within the solid electrolyte substrate; and in the modified solid electrolyte, the phase-transforming toughening agent is primarily dispersed at grain boundaries of the solid electrolyte; where the phase-transforming toughening agent is capable of phase transformation under the action of an external force.
Resumen de: US20260074300A1
A structure for electrochemical cells includes a conductive sheet, a layer of conductive nanomaterial, such as carbon nanotubes, on the sheet's surface, and a dry, ionically conductive adhesive, comprising a solid electrolyte interphase (SEI), binding the nanomaterial. A method forms the structure by coating a conductor with the nanomaterial, wetting it with an electrolyte solution, and decomposing the electrolyte, often via electrode contact, to create the SEI. The SEI enhances mechanical resilience and uniform lithium plating, reducing safety risks in lithium-metal batteries. The scalable process simplifies electrode fabrication, supporting high-performance, durable anodes for electrochemical applications.
Nº publicación: US20260074298A1 12/03/2026
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Resumen de: US20260074298A1
The present disclosure provides a technique for making an electrolytic solution efficiently osmose into an electrode assembly. A herein disclosed electricity storage device includes a case having a liquid injection part, an electrode assembly, a resin film surrounding the electrode assembly, and an electrolytic solution. The case includes a bottom wall, an upper wall, and a first side wall. The liquid injection part is provided at a position closer to the upper wall of the first side wall. The resin film includes a first end part extending from one side in a predetermined direction to cover a part of a bottom part of the electrode assembly, and includes a second end part extending along the predetermined direction from a direction different from the first end part. A part of the second end part is stacked at the bottom wall side of the case with respect to the first end part.
BOPI
Sede Electrónica
