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1255
resultados
Última actualización
10/02/2026 [07:21:00]
Resultados 625 a 650 de 1255
Resumen de: US20260031430A1
This battery storage case includes a bottom wall member having a module placement portion on which a battery module is placed and having a coolant passage built thereinto, an outer frame connected to an outer edge of the bottom wall member, and an adapter part connected to the coolant passage and configured to supply and discharge a coolant to and from the coolant passage. The outer frame has an upper upright portion configured to rise upward from an upper surface of the bottom wall member and an inclined block portion connected to a side surface of the upper upright portion and configured to bulge downward from an upper portion so that a distance from the upper upright portion increases and have a lower surface in contact with the bottom wall member. A through hole which passes therethrough in an up-down direction and to which the adapter part is connected on an upper portion side is provided on the inclined block portion. A joint part having one end connected to the coolant passage and the other end on which a connection tube is formed is attached in a region where the upper upright portion of the bottom wall member and the inclined block portion are placed. The connection tube protrudes obliquely upward from the bottom wall member toward the upper surface of the inclined block portion inside the through hole. The adapter part is connected to the connection tube of the joint part in a fitted state inside the through hole.
Resumen de: US20260031465A1
A power storage device includes: a power storage stack including a plurality of power storage cells each having a lower surface and an upper surface, a safety valve being disposed in the lower surface; a support portion that supports the power storage stack from below; an exhaust path provided below the support portion and provided to be able to communicate with a space located directly below the safety valve; a cooler that cools the power storage stack, the cooler being disposed below the power storage stack; and a plate-shaped member disposed above the power storage stack and facing the upper surface of each of the power storage cells.
Resumen de: US20260031459A1
Battery pack for a road vehicle with electric propulsion; wherein the battery pack comprises: a plurality of planar electrochemical cells arranged in pack along an axis A; and a support structure that comprises two plates opposite along the axis and parallel to the cells. The two plates define the housing volume for the cells. The cells at the beginning of life are housed in the support structure with an initial preload along the axis that generates a corresponding initial axial stress acting on the plates. Each cell comprises two flat faces orthogonal to the axis A and a thickness along the axis A that gradually increases over the life of the battery pack. The plates are configured to move away from each other along the axis A such that an increase in cell thickness does not result in a corresponding progressive increase in the axial stress acting on the plates.
Resumen de: US20260031426A1
Battery pack designs are provided for use in electrified vehicles. Exemplary battery packs may include a battery array that includes one or more interconnected array frames. A split thermal fin may be held within the one or more array frames. The proposed designs of the split thermal fin enable a reduction of the amount of thermal interface material required between the thermal fin and a support structure (e.g., a heat exchanger plate) of the battery pack.
Resumen de: US20260031387A1
A secondary battery includes a positive electrode, a negative electrode, and an electrolyte layer including an electrolyte solution that conducts a conductive ion between the positive electrode and the negative electrode. The positive electrode includes a positive electrode active material and an oxide-based ionic conductor. The positive electrode active material is in contact with at least a part of the oxide-based ionic conductor. The electrolyte solution exists between the positive electrode active material and the oxide-based ionic conductor to allow the conductive ion to be electrochemically inserted into the oxide-based ionic conductor.
Resumen de: US20260031386A1
A halospinel-based solid electrolyte for an all-solid-state battery has the following composition: LiaM1bM2cScyX4, wherein X is one or more halogen; M1 is a divalent cation selected from the group consisting of Mg, Ca, Sr and Zn; M2 is one of a divalent, trivalent or tetravalent cation; 1.75≤a≤2.75; 0≤y≤0.375; 0.125≤b≤0.5; and 0.125≤c≤0.5.
Resumen de: US20260031389A1
The present application provides a composite separator and an application thereof. The composite separator includes a separator substrate and an electrolyte layer provided on at least one surface of the separator substrate. The electrolyte layer at least comprises inorganic nanotubes and solid electrolyte particles. A volume fraction of through-pores of the inorganic nanotubes in the electrolyte layer is 0.2%-5%. The composite separator not only has excellent heat resistance and electrolyte solution wettability, but also has excellent lithium-ion transport performance when applied to a battery, thereby reducing the internal resistance of the lithium-ion battery and improving the rate performance and cycle performance of the lithium-ion battery.
Resumen de: US20260031382A1
The present disclosure provides an apparatus for forming a folding guide line including: a forming tool forming a folding guide line in a terrace disposed in at least a portion of a periphery of an electrode accommodation portion of a battery cell; and a heating press heating an inner region of the terrace, and the inner region of the terrace heated by the heating press is disposed between the folding guide line and the electrode accommodation portion.
Resumen de: US20260031354A1
The present disclosure relates to the field of batteries, and provides an additive for supplementing lithium or sodium, a preparation method therefor and a use thereof. The additive is mainly prepared from Oxalic acid, a salt, and a catalyst; the salt comprises a lithium salt or a sodium salt; the particle size distribution concentration ratio of the additive for supplementing lithium or sodium satisfies the following expression: 1≤(D90−D10)/D50≤100; the specific surface area of the additive for supplementing lithium or sodium is S, and S and D10, D50 and D90 of the additive for supplementing lithium or sodium satisfy the following expression: 1≤(S/((D90−D10)/D50)≤100. The additive provided by the present disclosure is low in decomposition voltage, high in specific capacity, small in particle size, and low in catalyst consumption.
Resumen de: WO2026024392A1
Disclosed is a method to rectify a battery discharge profile of a rechargeable battery so that the discharge current is greater than the charge current. The method includes two steps. The first step is an intermittent or pulsed discharge current protocol. It assures that the pulse discharge current is always higher than the charge current while the nominal discharge current is lower than the charge current. The second step includes a converter, that is used to convert the pulsed discharge current profile from the rechargeable battery into a continuous discharge current profile wherein the continuous current is smaller than the rechargeable battery charge current. The disclosed rectification method enables the rechargeable battery to power a device at an optimally lower rate for a certain applications with a significantly extended cycle life for the rechargeable battery.
Resumen de: WO2026023891A1
A battery assembly according to one embodiment of the present invention may comprise: a plurality of battery cells; a battery housing in which the plurality of battery cells are accommodated; an insulating plate including a plurality of through-holes respectively corresponding to the plurality of battery cells and stacked on the plurality of battery cells; a metal plate disposed on the insulating plate and electrically connecting the plurality of battery cells; and a battery management unit which is electrically connected to the metal plate and controls the charging and discharging of the plurality of battery cells.
Resumen de: WO2026023955A1
The present invention relates to an anode for a lithium secondary battery and a manufacturing method therefor. The anode has a pattern structure in which a first region and a second region that have a predetermined deviation in L* of CIE LAB colorimeter are alternately disposed on a surface of an anode active layer, thereby having excellent adhesion between an anode current collector and the anode active layer. In addition, the anode has the advantages of not only improving a swelling phenomenon during charging, but also having excellent rapid charging performance.
Resumen de: WO2026023888A1
The present invention relates to a pouch-type battery cell tray having a temperature sensing function, the pouch-type battery cell tray comprising: an outer frame forming a first space to accommodate a plurality of pouch-type battery cells, the top surface and a portion of the side surface thereof being open; a seating unit which is disposed in the first space, accommodates the plurality of pouch-type battery cells in the vertical direction, and has a second space formed between the plurality of pouch-type battery cells; and a temperature sensor unit which is disposed on the side surface of the outer frame and is provided to measure the temperature of the plurality of pouch-type battery cells accommodated in the first space.
Resumen de: WO2026023745A1
The present invention relates to a preparation method of lithium sulfide having excellent performance as a solid electrolyte raw material, and lithium sulfide prepared therefrom. Specifically, the present invention relates to: a preparation method of lithium sulfide, comprising adjusting, during preparation of lithium sulfide, the particle size of raw materials and reaction conditions so as to minimize residual impurities in lithium sulfide, and improving the flow characteristics and aggregation characteristics of particles, thereby providing an excellent solid electrolyte raw material; and lithium sulfide.
Resumen de: WO2026020659A1
The present invention relates to the field of lithium-ion batteries. Disclosed are a high-energy-density long-cycle-life lithium-ion battery and a preparation method therefor. The specific implementation solution involves: the high-energy-density long-cycle-life lithium-ion battery comprises a positive electrode sheet, a negative electrode sheet, a separator, an electrolyte and an aluminum laminate film casing, wherein the positive electrode sheet consists of a positive-electrode current collector and a positive-electrode slurry applied to a surface of the positive-electrode current collector, and the positive-electrode slurry consists of a positive-electrode active substance, a positive-electrode conductive agent and a positive-electrode binder; the negative electrode sheet consists of a negative-electrode current collector and a negative-electrode slurry applied to a surface of the negative-electrode current collector, and the negative-electrode slurry consists of a negative-electrode active substance, a negative-electrode conductive agent and a negative-electrode binder; the separator is an adhesive ceramic-coated separator; and the electrolyte consists of a solute and a solvent. The present invention comprehensively improves the energy density and cycle performance of a battery cell, the energy density can reach 360 Wh/kg or above, and the electrical performance is good.
Resumen de: WO2026020816A1
Provided in the present application are a liquid cooling system and a battery pack. The liquid cooling system is used in the battery pack, and the battery pack comprises at least one battery cell group. The liquid cooling system comprises at least one supporting liquid cooling plate and a top liquid cooling plate. Each supporting liquid cooling plate is used for supporting the bottom of a corresponding battery cell group and cooling said battery cell group. The top liquid cooling plate is located above the at least one supporting liquid cooling plate, and is arranged on the top of a corresponding battery cell group and used for cooling said battery cell group. The thickness of the supporting liquid cooling plate is greater than that of the top liquid cooling plate.
Resumen de: WO2026020712A1
Provided in the present application are a sodium-ion battery positive electrode precursor having a core-shell structure, a manufacturing method therefor, and the use thereof. Said precursor comprises a core and a shell on the surface of the core, the core comprising NiaFebMn1-a-b-cMc(OH)2, wherein 0.3≤a≤0.5, 0.2≤b≤0.4 and 0≤c≤0.01, and the shell comprising NixCuyFezMn1-x-y-z-vNv(OH)2, wherein 0.1≤x<0.3, 0.02≤y≤0.2, 0.2≤z≤0.4 and 0≤v≤0.01, and the shell containing pores. In said precursor of the present application, primary particles of the core are of a dense packing while primary particles of the shell are of a loose packing, so that compaction density, energy density, porosity and specific surface area of the material are improved, thus improving properties of the material.
Resumen de: US20260031425A1
A battery pack includes: a plurality of battery cells; and a thermal conductive layer disposed between two battery cells of the plurality of battery cells, and configured to transfer heat from each of the two battery cells. The thermal conductive layer includes expanded graphite (EG) impregnated with a phase change material (PCM). The PCM may include an organic and/or inorganic PCM material. A thin thermal insulation barrier, such as aerogel, may be sandwiched between two anisotropic EG/PCM composites for regulating temperature and to prevent thermal runaway.
Resumen de: US20260031427A1
A heat exchanger including a body containing a working fluid and including a first manifold and a second manifold; at least one internal partition being arranged in the body to form at least two internal channels, each internal channel being in fluid communication with the first manifold and with the second manifold; the body being intended to be thermally coupled to a cold source at a first part and to a hot source at a second part, the first part and the second part being connected by an elbow part; and wherein each internal channel has a cross-section in which the dimensions are adapted so that the working fluid contained in the internal channel has an Eötvös number Eo that is less than or equal to 2.
Resumen de: US20260031463A1
An integrated, unitary battery pack may be formed and used as part of the structural support for a vehicle frame. The unitary battery pack includes arrays cells having all positive and negative electrical terminals aligned in-plane on a common face of the product assembly. The unitary battery pack includes cooling components for passively or actively cooling the cell arrays. The unitary battery pack is encased in a potting material that allows that forms part of the structure support for the unitary battery pack. The unitary batter pack may be integrated into the vehicle with or without additional support structures.
Resumen de: US20260031424A1
A battery system includes a housing, a module stack having a plurality of battery modules stacked in a first direction in the housing, each of the plurality of battery modules including a plurality of battery cells and a module case accommodating the plurality of battery cells, a first venting portion formed in a first side of the module case, a coolant supply channel at a first side of the housing and extending in the first direction, and a plurality of first connection ducts extending in a second direction to connect a first venting portion of at least one battery module of the plurality of battery modules and the coolant supply channel.
Resumen de: US20260031457A1
An electrical energy storage assembly includes at least two electrical structure elements and at least one cold plate intended to exchange heat energy with at least one electrical structure element. Further, a belt casing and two caps define a cavity to house the electrical structure elements and, at least partially, a cooling structure including two cold plates fixed to respective peripheral edges of the belt casing axially opposite one another. A tier of electrical structure elements is fixed to an internal face of each cold plate and housed in the volume defined by the belt casing. The two tiers of electrical structure elements housed in the belt casing being arranged facing one another with an axial clearance formed between them.
Resumen de: US20260031350A1
A positive electrode active material and a method for preparing the same, a positive electrode plate, a battery and an electrical apparatus. The positive electrode active material includes Na4-xKyFe3-pMq(PO4)2P2O7, where M includes at least one of Ni, Co, Mn, V, Ti, Mo, Nb, W, Cr, Zn, Zr, Ca, Mg, Cu, Sr, Y or Al, with 0
Resumen de: US20260031358A1
Examples of this disclosure include binders, negative electrode plates, and rechargeable lithium batteries. The binder includes a core including a first polymer having a glass transition temperature that is equal to or less than about 15° C., and a shell on the core and including a second polymer having a glass transition temperature that is equal to or greater than about 180° C. An amount of the shell is less than the amount of the core.
Nº publicación: US20260031355A1 29/01/2026
Solicitante:
COATEX [FR]
COATEX
Resumen de: US20260031355A1
An aqueous anode composition including metal particles or fibres or carbon graphite particles or fibres, and a binding agent including at least one water-soluble polymer P prepared on the basis of (meth)acrylic acid and (meth)acrylate. A method for producing an anode including said aqueous composition.
BOPI
Sede Electrónica
