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182
results.
Updated on
15/11/2026 [07:06:00]
Results 150 to 175 of 182
Absstract of: US20260360742A1
The present disclosure relates to a self-supporting electrode film and a manufacturing method thereof. The self-supporting electrode film includes carbon-based active material particles, SiC active material particles, carbon nanotubes that are unevenly distributed on a surface or in the vicinity of the surface of the SiC active material particles, and a first binder having a fibrillated form.
Absstract of: US20260360845A1
The method for manufacturing a secondary battery includes: injecting an electrolyte; performing initial charging; raising the temperature of a stack; performing CCCV charging on odd-numbered cells; performing CCCV charging on even-numbered cells; performing CC charging on the odd-numbered cells; performing CC charging on the even-numbered cells; cooling the stack after the CC charging of the odd-numbered cells and the CC charging of the even-numbered cells have been alternately repeated n times; performing a self-discharge test.
Absstract of: US20260358425A1
A redox potential prediction system for evaluating and screening candidate electrolyte molecules under lithium-ion-coordinated condition and under a non-lithium-ion-coordinated condition for rechargeable lithium-ion batteries is provided. The system includes a candidate electrolyte collection module, a first-principles computation module, a feature extraction module, a feature engineering module, a model training module, a model evaluation module, an interpretability analysis module, and a redox prediction output module. Candidate electrolyte molecules are collected and subjected to first-principles computation to generate redox-potential-related computational data. Electronic features and structural features are extracted from the computational data and processed to generate a feature set for machine-learning-based prediction. One or more prediction models are trained and evaluated to generate prediction-related data and model-evaluation-related data. Interpretability analysis is performed to determine contributions of molecular descriptors to oxidation potential prediction and reduction potential prediction. The system outputs oxidation-potential prediction results, reduction-potential prediction results, or both, for the candidate electrolyte molecules.
Absstract of: US20260356681A1
A method of recovering lithium carbonate from a lithium-containing positive electrode active material washing liquid includes adding sodium carbonate to a lithium-containing positive electrode active material washing liquid to form a first precipitation and filtering to obtain a first precipitate including lithium carbonate. Phosphoric acid is added to the remaining washing liquid to form a second precipitation, and filtering to obtain a second precipitate including lithium phosphate; dissolving the second precipitate including the lithium phosphate in an acid to obtain an acid lithium solution; adding a trivalent cation-containing compound to the acid lithium solution and filtering to separate a trivalent cation phosphate and a filtrate; removing the trivalent cation phosphate; and adding sodium carbonate to the filtrate to form a third precipitation to thereby obtain a third precipitate including lithium carbonate.
Absstract of: US20260360723A1
According to several aspects of the present disclosure, a cathode, and a battery for an electric vehicle are provided. The battery includes a battery cell, which further includes a cathode current collector, a cathode disposed on at least one surface of the cathode current collector, an anode disposed on an anode current collector, a separator positioned between the cathode and the anode, and an electrolyte configured for carrying ions between the cathode and the anode. The cathode includes a cathode active material, nanoparticles dispersed in the cathode active material, a conductive filler, and a binder. The nanoparticles include dielectric lithium-conductive particles, and the nanoparticles have a median particle size (D50) between 100 and 500 nanometers (nm). The anode includes at least one of graphite, silicon, a silicon carbon composite, lithium titanate (LTO), or titanium niobium oxide (TNO).
Absstract of: DE102025117528A1
Die vorliegende Erfindung betrifft ein System zur Inline-Bestimmung der Planlage einer Materialbahn, insbesondere einer Kunststofffolie, sowie eine Anlage zur Herstellung einer Materialbahn umfassend das System, sowie ein Verfahren zur Inline-Bestimmung der Planlage einer Materialbahn. Das System 100 umfasst eine Steuereinheit sowie eine Vielzahl von optischen Flächensensoren 230 und eine Vielzahl von Linienlaserquellen 210. Jedem optischen Flächensensor 230 ist zumindest eine Linienlaserquelle 210 zugeordnet. Die Linienlaserquellen sind dazu eingerichtet, je zumindest eine Laserlinie 212 auf die Materialbahn A zu projizieren, wobei die Laserlinien 212 im Wesentlichen in einer Querrichtung T der Materialbahn A orientiert sind und sich über zumindest eine Teilbreite der Materialbahn A erstrecken. Die optischen Flächensensoren 230 sind dabei so ausgerichtet, dass sie Bilddaten zumindest einer projizierten Laserlinie 212 einer ihnen zugeordneten Linienlaserquelle 210 erfassen. Weiterhin ist die Steuereinheit 240 dazu eingerichtet, basierend auf den erfassten Bilddaten die Planlage der Materialbahn A zu bestimmen.
Absstract of: DE102026118581A1
Ein Antriebssystem umfasst: einen Leistungswandler, der Folgendes umfasst: einen Gleichrichter; einen Wechselrichter; einen Kühlkörper, der thermisch mit dem Gleichrichter und/oder dem Wechselrichter gekoppelt ist; eine Energiespeichervorrichtung, die elektrisch mit dem Gleichrichter und dem Wechselrichter verbunden ist; und eine Gleichstromdrossel, die elektrisch mit dem Gleichrichter und der Energiespeichervorrichtung verbunden ist. Das System umfasst ferner ein Wärmemanagementsystem, das so ausgelegt ist, dass es ein Wärmemanagementfluid strömen lässt, um Wärme von der Gleichstromdrossel abzuleiten und Wärme separat vom Kühlkörper abzuleiten.
Absstract of: US20260360836A1
The present disclosure relates to a rechargeable battery, and a rechargeable battery pack including the rechargeable battery. The rechargeable battery includes a case, an electrode assembly disposed inside the case and having a first electrode, a separator, and a second electrode, a cap assembly that seals the case and has a first terminal and a second terminal, a first tab member extending from the electrode assembly in a first direction, and a first current collector connected to the first terminal and the first tab member. The separator includes one or more of a porous substrate and a coating layer, and a resin layer having a higher melting point than each of the porous substrate and the coating layer, and the resin layer faces the first current collector.
Absstract of: US20260360749A1
A positive electrode slurry composition, a positive electrode, a manufacturing method thereof, and a rechargeable lithium battery. The positive electrode slurry composition includes a positive electrode active material including secondary particles of a lithium nickel-based composite oxide, carbon nanotubes, and a cellulose-based additive.
Absstract of: US20260360922A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer positioned on at least one surface of the porous substrate. The coating layer includes a binder and an additive, and the additive includes one or more of a compound, an oligomer thereof, and a polymer thereof.
Absstract of: DE102025118148A1
Die vorliegende Erfindung betrifft ein Verfahren zum Betreiben eines Akkupacks (50), insbesondere eines Wechselakkupacks, welcher mehrere Akkuzellen (51) aufweist, umfassend die Schritte: Erfassen (2) von Einzelzellspannungen sämtlicher Akkuzellen (51), Ermitteln (3) einer maximalen Spannungsdifferenz zwischen allen erfassten Einzelzellspannungen, Ermitteln (4) eines Balancierungsgrades durch Vergleichen der ermittelten Spannungsdifferenz mit einem vorbestimmten ersten Schwellwert, und Ausgabe (5) einer Information über den ermittelten Balancierungsgrad insbesondere mittels einer Ladezustandsanzeige des Akkupacks (50), wobei zumindest ein erster Balancierungsgrad und ein zweiter Balancierungsgrad angezeigt wird.
Absstract of: US20260360857A1
A method for manufacturing an energy storage apparatus comprising a plurality of energy storage cells accommodated in an energy storage housing device, a temperature-regulating region thus being formed between these at least two energy storage cell rows, and comprising an energy storage temperature-regulating device comprising at least one temperature-regulating channel, one such temperature-regulating channel being arranged in said temperature-regulating region, comprising the following steps: arranging the multiplicity of energy storage cells in at least two energy storage cell rows in the energy storage housing device, introducing a flexible temperature-regulating channel tube into said temperature-regulating region, introducing a temperature-regulating channel excess pressure in said temperature-regulating channel tube in order to shape the temperature-regulating channel, introducing an energy storage filling compound into the energy storage housing device and thereby at least partially or completely surrounding the temperature-regulating channel with the energy storage filling compound.
Absstract of: US20260358433A1
In a data interpolation system, a data acquirer acquires battery data including at least time-series data of a current and SOC (State Of Charge). A missing part judgment unit judges whether or not the battery data includes a missing section. An interpolation unit interpolates battery data in the missing section based at least on battery data in a section other than the missing section. When at least one of the states before and after the missing section is a charging state, the interpolation unit interpolates current data in the missing section so that a discharge amount and a charge amount correspond in a charging/discharging period from SOC in the charging state immediately after the missing section to corresponding SOC found in the past direction or in a charging/discharging period from SOC in the charging state immediately before the missing section to corresponding SOC found in the future direction.
Absstract of: US20260355554A1
The present invention relates to an electrochemical system fire extinguishing device and a heat pump system using a composition having a low global warming potential (GWP) and, more specifically, to a fire extinguishing device and a heat pump system, comprising cooling and extinguishing functions of an electrical or chemical heat-generating device using an insulating refrigerant having low environmental impact, wherein the fire extinguishing device cools the electrical or chemical heat-generating device, which is in a normal state, by using a refrigerant of a cooling device, when a fire occurs in the electrical or chemical heat-generating device, senses the occurrence of the fire, extinguishes the fire by means of direct contact jetting onto the electrical or chemical heat-generating device, and uses an insulating refrigerant to be vaporized which has a GWP of 1 or less.
Absstract of: US20260361095A1
A power feeding system feeds power to an electric tool which is hand-holdable. The power feeding system includes a first storage battery, a feed circuit, a second storage battery, and a tool holder. The feed circuit converts alternating-current power from a commercial power supply into direct-current power and feeds the direct-current power to the first storage battery. The second storage battery is internal to the electric tool or is internal to a battery pack attachable to the electric tool. The tool holder is capable of holding a battery-equipped electric tool and, while holding the battery-equipped electric tool, feeds electric power of the first storage battery to the second storage battery. The battery-equipped electric tool is the electric tool to which the second storage battery is internal or the electric tool with the battery pack attached, the second storage battery being internal to the battery pack.
Absstract of: US20260360691A1
Described is an apparatus (1) for manufacturing slabs (2) from powdery raw material.The apparatus (1) includes: a lower die (3), defining a moulding cavity (4); an upper die (6) provided with an upper punch (601). The upper die (6) and the lower die (3) are movable relative to one another along a vertical direction (V) between an open position and a pressing position. The upper die (6) and the lower die (3) are also displaceable to a pre-pressing position where the moulding cavity (4) is closed by the upper punch (601) but is in air communication with a surrounding air volume. The apparatus (1) also includes a vacuum system for sucking air from the moulding cavity (4) when in the pre-pressing position and to keep a negative pressure inside the moulding cavity when in the pressing position.
Absstract of: US20260360946A1
An end-cover assembly, an energy storage apparatus, and an electricity-consumption device are provided. The end-cover assembly includes a top cover and an explosion-proof valve. The top cover defines an explosion-proof hole. The explosion-proof hole includes a recessed-platform portion. A welding ring portion of the explosion-proof valve is mounted at the recessed-platform portion, and is fixedly connected to a hole wall of the recessed-platform portion. The welding ring portion and a connecting ring portion of the explosion-proof valve are both disposed around an explosion-proof-valve body. The connecting ring portion is fixedly connected between the welding ring portion and the explosion-proof-valve body. A score portion of the explosion-proof valve is disposed around a rupture portion. The score portion is rotatable relative to a fixing portion after the score portion is broken.
Absstract of: US20260360826A1
Provided are a cylindrical battery and a preparation method therefor. The cylindrical battery includes wound cores, a housing, an upper cover plate, and a lower cover plate, wherein at least two wound cores are provided; the (n+1)-th wound core is wound on an outer side wall of the n-th wound core, where n is an integer larger than or equal to 1; the housing is spaced between neighboring wound cores; the housing is wound around an outer side wall of an outermost wound core; the upper cover plate is located on an upper bottom surface of the wound cores; the lower cover plate is located on a lower bottom surface of the wound cores; and the upper cover plate and the lower cover plate are connected to the housing respectively in a sealed manner, so that each of the wound cores is in a separate sealing space.
Absstract of: US20260360702A1
There is provided a positive electrode active substance for a lithium secondary battery which substance is excellent in cycle characteristics at high voltages and can be lowered in the impedance, wherein the positive electrode active substance comprises a mixture of aluminum-containing lithium cobalt composite oxide particles and inorganic fluoride particles; the aluminum-containing lithium cobalt composite oxide particles contain aluminum solid-soluted and present at least in the interior of the aluminum-containing lithium cobalt composite oxide particles; and the inorganic fluoride particles are MgF2 and a compound containing Al and F.
Absstract of: US20260358427A1
A battery charging apparatus includes a current output unit configured to output a charging current to a battery during a preset charging time; a voltage measurement unit configured to measure a voltage of the battery; and a control unit configured to calculate a voltage change amount of the battery during the charging time, calculate a delay time according to the difference between the charging time and a criterion time preset to correspond to the voltage change amount, and set a charging condition corresponding to the battery based on the calculated delay time.
Absstract of: US20260357373A1
The present invention relates to a valuable metal reactant, a valuable metal shredded material, and a method for recovering a valuable metal. The valuable metal reactant of the present invention is a valuable metal reactant including a valuable metal recovered from a waste battery, and includes a first valuable metal-containing material including a magnetic material, a second valuable metal-containing material including a non-magnetic material, a carbon compound including carbon, and residual other impurities, in which the first valuable metal-containing material includes a third valuable metal-containing material and a first lithium compound attached to a surface of the third valuable metal-containing material, and a lithium content of the first lithium compound is 1.5 wt % or more in the first valuable metal-containing material.
Absstract of: US20260360899A1
An electrical energy store for a motor vehicle, having at least two storage modules which each have a plurality of electrically interconnected storage cells for storing electrical energy and are arranged in a circuit having at least one first line element, via which circuit the storage modules are electrically interconnected, and having at least one second line element formed separately from the first line element, wherein the first line element is connected to the second line element by at least one connecting element formed separately from the line elements, said connecting element being interlocked with the second line element and thereby attached to the second line element.
Absstract of: US20260360900A1
A battery pack structure for a vehicle includes a housing that is configured to house a battery; and a wall that is configured to form at least a part of the housing and cover the battery. The wall includes a first layer that is configured to form a portion of the wall on one side in a thickness direction of the wall, and a second layer that is formed on the other side of the first layer in the thickness direction of the wall. The first layer and the second layer each contain a reinforcing fiber and a flame retardant. A content ratio of the reinforcing fiber of the first layer in the first layer is higher than a content ratio of the reinforcing fiber of the second layer in the second layer. A content ratio of the flame retardant of the first layer in the first layer is lower than a content ratio of the flame retardant of the second layer in the second layer.
Absstract of: US20260360802A1
The present disclosure relates to an electrolyte and a method for preparing the same. The electrolyte comprises a polymer formed of a polyethylene oxide (PEO)-based copolymer containing one or more crosslinkable functional groups; and a ceramic compound, wherein at least a portion of the one or more crosslinkable functional groups forms cross-links with each other and forms a three-dimensional network structure, and wherein the ceramic compound is contained in the three-dimensional network structure.
Nº publicación: US20260360897A1 12/11/2026
Applicant:
BASF SE [DE]
BASF SE
Absstract of: US20260360897A1
The present invention relates to a method for producing battery article wherein a plurality of battery cells are potted in a potting material and the battery article prepared therefrom. The method comprises steps of: S1. providing a battery case having a plurality of battery cells arranged therein, the battery cells separate internal space of the battery case into a plurality of receiving cavities; S2. preparing a potting compound; S3. filling the potting compound into the receiving cavities, wherein relationship between total filling time (T1) and rising time (T2) of the potting compound satisfies T1<0.95*T2, preferably T1<0.8*T2; and S4. curing the potting compound to yield a potting foam; the potting compound has an initial viscosity being lower than 2500 cps at 25 °C.
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