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575
results.
Updated on
14/09/2026 [07:52:00]
Results 300 to 325 of 575
Absstract of: DE102025108285A1
Die Erfindung betrifft ein Verfahren (100) zum Heizen mittels eines elektrischen Motors (10), der mindestens einen Stator (16) und mindestens einen Rotor (18) mit mindestens einem Permanentmagneten (20) aufweist, umfassend zumindest folgende Schritte: Entmagnetisieren (102) mindestens eines Permanentmagneten (20) des mindestens einen Rotors (18); und Heizen (104) des elektrischen Motors (10) mittels eines Statorstroms, der im d-q-Koordinatensystem eine d-Komponente und eine q-Komponente aufweist, nach dem Entmagnetisieren (102). Das Verfahren (100) weist eine erhöhte Energieeffizienz auf.
Absstract of: WO2026188011A1
A method of forming a stable electrode for a secondary battery includes generating a plasma from a gas comprising fluorine and exposing an electrode material to the plasma. During the exposure, a crystallinity and/or chemistry of the electrode material is modified in a surface region thereof and fluorine ions may be incorporated into the surface region. A stable electrode for a secondary battery includes an electrode material having a surface region including fluorine and another species not native to the electrode material.
Absstract of: WO2026187493A1
A method for controlling an energy storage system (ESS) includes determining a voltage strength level of a power grid as a maximum power surge that would not cause the ESS to exceed defined voltage limits. The method includes determining a baseline system voltage strength level required by the grid during steady-state operation thereof, and controlling an output state of the ESS to collectively meet the baseline. The method further includes sensing corresponding voltages for respective battery elements and detecting a grid event, including obtaining a rate of change of voltage (RoCoV) of the grid. In response to the grid event, the method includes temporarily adjusting the baseline system voltage strength level via control of the ESS when one or more of the corresponding voltages reaches the defined voltage limits. The ESS may include battery elements, sensors, and an electronic control unit configured to perform the method.
Absstract of: US20260265058A1
Provided are a preparation method for a lithium iron phosphate material, a lithium iron phosphate material and use thereof. The preparation method for a lithium iron phosphate material includes steps of: (a) performing grinding treatment on lithium source, iron source, phosphorus source, carbon source, fluxing material and solvent, so as to render mixed slurry, ratio of total mass of iron source and the phosphorus source to mass of fluxing material being 1:(0.001-0.015); (b) performing spray drying on mixed slurry, nozzle for spray drying including two-fluid nozzle, so as to render first material; and (c) performing thermal treatment on first material, where thermal treatment includes first constant-temperature treatment and second constant-temperature treatment, temperature T1 of first constant-temperature treatment ranges from 450° C. to 650° C., and temperature T2 of second constant-temperature treatment ranges from 650° C. to 850° C.
Absstract of: US20260265109A1
A production method of recycled material includes (a) preparing a battery material, (b) melting the battery material to create molten glass, (c) separating the molten glass from at least one selected from the group consisting of a metal material and an organic compound contained in the battery material, and (d) cooling the molten glass to create a glass material.
Absstract of: WO2026186896A1
Provided is a positive electrode active material that has high initial discharge capacity and is highly durable if used for positive electrode of a non-aqueous electrolyte secondary battery, in particular, an all-solid-state battery. The invention comprises particles of a lithium-transition metal composite oxide, and a coating layer coating at least part of the surface of the particles. The particles contain Li, Ni, Co, Mn, and an element M such that a substance quantity ratio Li:Ni:Co:Mn:M is s:(1-x-y-z):x:y:z (where: M is at least one element selected from the group consisting of V, Mg, Mo, Nb, Ti, W, Zr, and Al; 0.95 < s < 1.30; 0 ≤ x ≤ 0.35; 0 ≤ y ≤ 0.35; and 0 ≤ z ≤ 0.10), and are provided with a niobium solid solution layer in which niobium is solid-solved in at least part of a surface layer and which has an average thickness of 0.5 to 20 nm. The coating layer contains a compound comprising lithium and niobium, and has an average thickness of 2 nm to 1 μm. The niobium content contained in the niobium solid solution layer and the coating layer is greater than 1.0 mol% and not greater than 2.0 mol% with respect to the sum total of Ni, Co, Mn, and the element M, and the lithium content contained in the coating layer is 1.0 to 2.0 in terms of molar ratio to niobium contained in the coating layer.
Absstract of: WO2026187017A1
The present invention relates to a container-type energy storage device including a trench and a multi-sided connection-type high-voltage control box, water leakage, occurring in an energy storage device provided in a container, being stored separately to reduce influence on a system, and electromagnetic waves that cause malfunction of the energy storage device provided in the container being blocked in advance, thereby providing a reliable system. The container-type energy storage device including a trench and a multi-sided connection-type high-voltage control box according to the present invention is a container-type energy storage device including an energy storage device having a battery inside a container, and comprises a trench for storing water leakage to prepare for water leakage.
Absstract of: WO2026186474A1
This composition contains a polymer compound, cations, anions, and an organic solvent. The polymer compound has a function of suppressing an increase in ion conductivity due to an increase in temperature.
Absstract of: WO2026186818A1
A nonaqueous electrolyte power storage element according to one embodiment of the present invention is provided with a positive electrode containing: a lithium transition metal composite oxide having an α-NaFeO2 crystal structure; and a polyanionic compound having an olivine crystal structure. The lithium transition metal composite oxide contains a nickel element and a manganese element. The lithium element content with respect to all metal elements other than the lithium element exceeds 1.0 in terms of molar ratio. On an x-ray diffraction graph of the lithium transition metal composite oxide on which a CuKα curve is used, a diffraction peak is present in a range where the diffraction angle 2θ is 20° to 22°.
Absstract of: WO2026186621A1
Provided are a substance packaging container and a storage method and a transport method that use the substance packaging container. The substance packaging container comprises an accommodation container that can accommodate a substance that includes sulfur atoms and/or halogen atoms so as to reduce the chances of contact between the substance and water and maintain the quality of the substance, a sealing apparatus that seals the accommodation container, and an internal gas replacement apparatus that has an inert gas supply mechanism and an inert gas discharge mechanism, the accommodation container, the sealing apparatus, and the internal gas replacement apparatus having prescribed configurations.
Absstract of: WO2026183850A1
Provided in the present application are a negative electrode active material, a secondary battery and an electronic apparatus. The hardness of the negative electrode active material is Cs Mpa, where 30.0≥Cs≥15.0, and the crushing pressure of the negative electrode active material is F mN, where F≥2.0. The negative electrode active material provided in the present application can improve the cycle performance of secondary batteries.
Absstract of: WO2026186807A1
Provided are: a carbon material capable of forming an electrode having excellent charging/discharging reversibility at high capacity, even when combined with an active material that causes expansion and contraction of volume due to charging and discharging; a dispersion containing the carbon material; a composition for an electrode; a slurry for an electrode; an electrode; and a lithium ion battery. This carbon material comprises a plurality of carbon nanoparticles, and when the plurality of carbon nanoparticles are loaded into a cylindrical container and measured in a pressurised state, the compressed volume ratio is 70% or more.
Absstract of: WO2026183671A1
The present application discloses a positive electrode material, an electrochemical device, and an electronic device. The positive electrode material comprises lithium cobalt oxide particles; the lithium cobalt oxide particles have a P63mc structure and a Cmca structure, and the lithium cobalt oxide particles comprise yttrium, oxygen, and fluorine. The electrochemical device of the present application has good high-temperature (45°C and above) cycle performance, kinetic performance (charging-discharging rate) and charging-discharging specific capacity.
Absstract of: WO2026185590A1
Methods are described herein for the purification of metal compounds from leachates. Such methods comprise adding a hydroxide base to a leachate having a leachate pH and comprising dissolved metal compounds, to adjust the leachate pH to a first precipitation pH, precipitating at least part of the dissolved metal compounds as a mixed hydroxide precipitate (MHP) at the first precipitation pH from the leachate. Other methods describe providing a liquor comprising dissolved lithium ions, and adding a carbonate salt to the liquor to precipitate the lithium ions as lithium carbonate. Further methods describe providing a liquor comprising dissolved lithium ions and bubbling carbon dioxide gas into the liquor to precipitate the lithium ions as lithium carbonate.
Absstract of: US20260269382A1
A battery and an electric device, where the battery includes a wound core, a film housing, and a protective plate, a top sealing edge of the film housing being bent toward a top end face of the wound core, and the protective plate being located on the top sealing edge. The wound core includes a straight section, an arc section, and at least two tabs, a section of each tab protruding from the top sealing edge being bent toward the top end face of the wound core and located between the protective plate and the top sealing edge. A first buffer pad is provided between the protective plate and the top sealing edge, and the first buffer pad is located between two adjacent tabs of the wound core to compensate for a thickness difference caused by the absence of the tabs between the protective plate and the top sealing edge.
Absstract of: US20260269387A1
Provided is a surface contact battery, which includes lithium battery cells. Each lithium battery cell has an initial positive electrode and an initial negative electrode. A bracket is provided at an end of the initial positive electrode of the lithium battery cell. The bracket is provided with a first avoidance hole and a side avoidance hole. A top PCB board is provided on the bracket. A conductive protective cover is provided. The conductive protective cover has an accommodation cavity for accommodating the lithium battery cells, the bracket, and the top PCB board. A plug-in positive electrode is electrically connected to the top PCB board and protrudes towards a top. A plug-in negative electrode is electrically connected to the top PCB board and protrudes towards the top. An outer membrane is made of insulating material and wraps the conductive protective cover.
Absstract of: US20260269641A1
A management device that manages a battery acquires an internal and external temperature difference saturation value of the battery, at a constant current, based on a current of the battery. The management device also acquires an internal and external temperature difference of the battery, based on the internal and external temperature difference saturation value of the battery that is acquired at the constant current. The management device also acquires the internal temperature of the battery, based on an external temperature of the battery and the internal and external temperature difference of the battery that is acquired.
Absstract of: US20260264846A1
In one general aspect, a battery assembly can include: a battery for supplying power to one or more systems of a vehicle; a ballast mount configured to be mounted on a support surface of the vehicle, and including an interior space configured to receive one or more weight members; and a battery mount mounted on the ballast mount, and configured to retain the battery. In another general aspect, a battery assembly can include: a battery for supplying power to one or more systems of a vehicle; and a ballast mount configured to retain the battery. The ballast mount can be further configured to be mounted on a support surface of the vehicle, and can include a hollow container including an interior space configured to receive one or more weight members.
Absstract of: US20260266601A1
An apparatus for measuring a battery cell profile, the apparatus including a taping module including a roller and a roller driver, a processor electrically connected to the taping module, and a memory which stores a command executed by the processor, the memory being electrically connected to the processor, wherein the processor is configured to measure a profile of a battery cell using a contact position at which the roller comes into contact with a surface of the battery cell to bring insulating tape into close contact with the battery cell.
Absstract of: US20260269401A1
The present disclosure provides a battery assembly. The battery assembly may include a stack comprising a plurality of battery cells stacked in a first direction, a bus bar holder on the stack, and a support member on the bus bar holder. The support member may include a first support member that supports a first side surface of the stack and a second support member that supports a second side surface of the stack, and at least a portion of the first support member may overlap at least a portion of the second support member in a second direction that is different from the first direction.
Absstract of: US20260269221A1
A negative electrode may have a structure in which a first negative electrode active layer and a second negative electrode active layer are sequentially stacked on a negative electrode current collector, and include synthetic graphite and natural graphite as carbon-based negative electrode active materials in the first negative electrode active layer, wherein by controlling the alignment (O.I1st) of the carbon-based negative electrode active material contained in the first negative electrode active layer and the content of synthetic graphite in a certain range, there is an advantage that the adhesion of the negative electrode active layer to the negative electrode current collector is excellent, and the life of the secondary battery including it is excellent.
Absstract of: US20260269409A1
0000 A battery has a first battery module, a second battery module, a connection switching circuit that selectively switches a connection between the first and second battery modules to a series connection or a parallel connection. The connection switching circuit includes a series switch element provided at a midpoint in a series connection of the first and second battery modules, a first parallel switch element provided in parallel with a series circuit of the first battery module and the series switch element, and a second parallel switch element provided in parallel with a series circuit of the second battery module and the series switch element. A conductive path connects the first battery module, the series switch element, and the second battery module in series in this order between input and output terminals of the connection switching circuit. The first and second parallel switch elements are disposed inside the conductive path.
Absstract of: DE102025000800A1
1. Schwimmende Flüssigbatterie, deren Elektrolytflüssigkeit aus Salzwasser bestehen kann.2. Bei Flüssigbatterien handelt es sich um eine Bauform von Energiespeichern, die elektrischen Strom in ihrem Speichermedium, welches in der Regel aus Salzwasser besteht, aufnehmen und wieder abgeben können. Stationäre Modelle mit kleiner Speicherleistung werden oft in Wohnhäusern installiert, in der Regel um Strom aus Photovoltaikanlagen, die direkt an der Immobilie verbaut sind, aufzunehmen, um diesen zeitversetzt wieder abgeben zu können. Es sind auch deutlich größere Anlagen bekannt, die im gewerblichen Bereich eingesetzt werden oder als Speicher für größere Wohnanlagen dienen. Ihre Verbreitung ist trotz vieler Vorteile auf Grund der höheren Entstehungskosten, die im Wesentlichen aus der geringen Speicherkapazität des verwendeten Salzwassers als Speichermedium resultieren, nicht besonders ausgeprägt.2.1 Um kostengünstige Flüssigbatterien bereitstellen zu können, wird eine schwimmende Flüssigbatterie, deren Elektrolytflüssigkeit (7) aus Salzwasser bestehen kann (1) Vorgeschlagen, die in einer reißfesten, wasserundurchlässigen Batteriehülle (3) untergebracht ist und in einem geeigneten, bestehenden oder dafür neu geschaffenen Gewässer (10) schwimmend so positioniert wird, dass der Innendruck in der wasserundurchlässigen Batteriehülle (3), der mehrheitlich durch die entsprechende Menge an Elektrolytflüssigkeit (7) erzeugt wird, von dem Außendruck des Gewässe
Absstract of: DE102025108666A1
Die Erfindung betrifft ein Verfahren zur Prüfung der Dichtheit eines mit einem Gas oder Gasgemisch beaufschlagbaren Prüflings (1) unter Verwendung eines Spurengases (2). Erfindungsgemäß wird Stickstoffmonoxid oder ein Stickstoffmonoxid-haltiges Gasgemisch als Spurengas (2) verwendet.
Nº publicación: WO2026187214A1 10/09/2026
Applicant:
LG CHEM LTD [KR]
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Absstract of: WO2026187214A1
The present invention relates to: a positive electrode active material; and a positive electrode and a lithium secondary battery, including same, the positive electrode active material comprising a lithium transition metal oxide in the form of a single-particle containing 60 mol % or more of nickel among transition metals and consisting of no more than 30 primary particles, wherein the lithium transition metal oxide is doped with zirconium (Zr) and yttrium (Y), and a standard deviation of particle diameters of the primary particles is 0.815 to 0.929.
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