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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 900 to 925 of 1089
Absstract of: US20260237647A1
An anode material, an anode plate, and a secondary battery provided. The anode material includes a carbon matrix and an active material at least partially located in the carbon matrix. In a peripheral region of the anode material, an average atomic percentage of carbon element is represented as A1, and an average atomic percentage of oxygen element is represented as B1; and in an inner layer region of the anode material, an average atomic percentage of carbon element is represented as A2, and an average atomic percentage of oxygen element is represented as B2, where 1.05≤(A1+B1)/(A2+B2)≤1.4. The peripheral region refers to a region within 0 nm to 200 nm from a surface of the anode material, and the inner layer region refers to a region greater than 200 nm from the surface of the anode material.
Absstract of: WO2026169798A1
An additive manufacturing system for manufacturing energy storage devices includes a print head having a first nozzle configured to deposit an anode material, a second nozzle configured to deposit a separator material, a third nozzle configured to deposit a cathode material, and a fourth nozzle configured to deposit a casing material. The system further includes a platform configured to receive material from the print head, a drive mechanism configured to move the print head over the platform, and a laser sintering subsystem including laser emitters configured to emit lasers tuned for the anode material, separator material, cathode material, and casing material. The additive manufacturing system also includes a computing system that, to manufacture an energy storage device, executes instructions to selectively iterate between positioning the print head, ejecting material, and activating a laser emitter tuned to sinter the ejected material.
Absstract of: US20260237770A1
An ECU executes a process including: acquiring a temperature distribution of the battery while the vehicle is stopped; setting a normal range and an abnormal range; performing heating control using ripple current; acquiring the temperature distribution after heating; determining whether there is an abnormality in the temperature change; and determining that delamination of the thermally conductive material has occurred when it is determined that there is an abnormality in the temperature change.
Absstract of: WO2026166951A1
Microcapsules containing additional lithium salts for Lithium-ion batteries (LIBs) are presented here. The microcapsules are comprised of outer hollow shell such as porous SiO2 and inner core of a lithium salt such as lithium squarate. Further, processes of preparing the microcapsules are provided.
Absstract of: WO2026166828A1
A method for preparing a carbon nanotube suspension wherein the method comprises successive steps of (1) freezing a carbon nanotube suspension, the carbon nanotube suspension having a first viscosity and containing a solvent, not less than 0.2 wt.% and not more than 2 wt.% of single-walled and/or double-walled carbon nanotubes, and not less than 0.2 wt.% and not more than 3 wt.% of a dispersant to obtain a frozen carbon nanotube suspension; and (2) thawing the frozen carbon nanotube suspension to obtain a carbon nanotube suspension having a second viscosity, wherein the second viscosity is lower than the first viscosity. The resulting suspensions are particularly useful in the preparation of electrode pastes and elecrodes of Li-ion secondary batteries.
Absstract of: DE102025104829A1
Die Erfindung betrifft eine Ausdehnungskompensationseinrichtung (22) für eine Batterie (10), wobei die Ausdehnungskompensationseinrichtung (22) zumindest in einer ersten Richtung (x) komprimierbar ist, und ein erstes und ein zweites Begrenzungselement (26, 24) umfasst, die sich in der ersten Richtung (x) gegenüberliegen und die Ausdehnungskompensationseinrichtung (22) in und entgegen der ersten Richtung (x) begrenzen. Dabei ist vorgesehen, dass die Ausdehnungskompensationseinrichtung (22) mindestens ein Plattenpaar (30) mit einer ersten Platte (30a, 30b) und einer zweiten Platte (30b, 30a) umfasst, die in einem Zwischenraum (28) zwischen dem ersten und zweiten Begrenzungselement (26, 24) angeordnet sind, wobei die erste und zweite Platte (30a, 30b) in einer zur ersten Richtung (x) senkrechten zweiten Richtung (y, z) nebeneinander angeordnet sind, wobei das Plattenpaar (30) einen ersten Kompressionszustand (Z1) umfasst, in welchem die Ausdehnungskompensationseinrichtung (22) eine erste Kompressionseigenschaft aufweist, und einen zweiten Kompressionszustand (Z2) umfasst, in welchem die Ausdehnungskompensationseinrichtung (22) eine zweite Kompressionseigenschaft aufweist, die von der ersten Kompressionseigenschaft verschieden ist.
Absstract of: WO2026168658A1
The present invention relates to a positive electrode slurry composition for a rechargeable lithium battery, and a positive electrode and a rechargeable lithium battery manufactured using same. The positive electrode slurry composition for a rechargeable lithium battery comprises: a positive electrode active material; an additive; and a solvent, wherein the additive includes: a first additive including a styrene-butadiene-based structural unit and a thiol-based structural unit; and a second additive including an oxygen-containing heterocyclic compound.
Absstract of: WO2026168616A1
A negative electrode for lithium ion secondary batteries, comprising a negative electrode active material and a binder. The negative electrode active material has composite particles and a carbon material. The composite particles have amorphous carbonaceous particles and amorphous silicon particles. The carbon material is at least one selection from the group consisting of graphite, hard carbon, and soft carbon. The negative electrode active material is at least partially covered with an Na-containing layer that contains Na. The binder contains a polyacrylic acid skeleton-bearing polymer having a weight-average molecular weight of at least 50,000 and not more than 3,000,000. The substitution rate of the carboxy group in the polyacrylic acid skeleton-bearing polymer with a sodium salt or lithium salt is at least 50% and not more than 90%.
Absstract of: US20260237857A1
An electrochemical cell (e.g., zinc-based cell) comprises a positive electrode, a negative electrode, and a separator positioned therebetween. The separator comprises a porous substrate and an ion exchange layer supported on the substrate. The ion exchange layer may penetrate into 1-100% of the substrate thickness to form a mechanically integrated composite that resists zinc dendrite penetration while permitting ionic transport. The ion exchange layer may be substantially non-porous or microporous with pores smaller than 1 micrometer and may include functional groups selected to provide cation or anion selectivity. Experimental results demonstrate enhanced flexibility, improved chemical stability in alkaline electrolyte, and improved mechanical performance compared to standalone ion-exchange films.
Absstract of: WO2026166307A1
Provided in some embodiments of the present disclosure is a positive electrode material having a core-shell structure. The positive electrode material comprises an inner core and an outer shell that coats the inner core. The inner core comprises an O3-type material, the molecular formula of the O3-type material being NaxMO2, wherein x is any numerical value between 0.75 and 1. The outer shell comprises a P2-type material, the molecular formula of the P2-type material being Na2M2TeO6, wherein M in the O3-type material and the P2-type material is one or more of lithium, magnesium, aluminum, vanadium, titanium, chromium, iron, nickel, cobalt, manganese, copper, zinc, strontium, zirconium, lanthanum and bismuth. Further provided in some embodiments of the present disclosure are a sodium-ion battery and a preparation method for a positive electrode material.
Absstract of: DE102025105465A1
Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln unter Verwendung einer Nassmischung und einer einstufiger Sinterung, auf welche mit Keramikpartikeln aufgebracht sind umfasst die folgenden Schritte: Vermischen einer Lithiumquelle, eines LLZO-Vorläufers und eines Dispergiermittels, um mithilfe eines Mischers eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischen eines Nickel-Kobalt-Manganhydroxid-Vorläufers und der ersten Vorläufermassenaufschlämmung, um eine zweite Vorläufermassenaufschlämmung zu bilden; dann Trocknung der zweiten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; dann Platzierung des Vorläuferpulvers in einem Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, welches aus einer Vielzahl von positiven Elektrodenpartikeln besteht. Jeder der positiven Elektrodenpartikel umfasst einen NCM-Partikel, dar mit mehreren LLZO-Partikeln beschichtet ist.
Absstract of: DE102025104957A1
Verfahren zum Anpassen einer nutzbaren Kapazität eines elektrochemischen Energiespeichers.
Absstract of: US20260237649A1
A solid-phase method for the manufacture of a cathode active material includes combining a metallic feedstock with an alkali metal source to form a reaction mixture. The metallic feedstock includes elemental transition metals. The method further includes heating the reaction mixture to induce oxidation of the metallic feedstock and provide a calcined mixture, and forming the cathode active material from the calcined mixture. The method simplifies the typical process by which cathode active materials are made, directly using metal or alloy starting materials to provide cathode active material with improved electrochemical properties. Electrochemical cells including the cathode active materials described herein are also described.
Absstract of: US20260237780A1
0000 A battery cell group assembly includes a cooling plate, one or more battery cells operably coupled to the cooling plate, and one or more thermal insulators disposed between the one or more battery cells. The battery cell group assembly also includes an anisotropic thermal conductivity layer operably coupled to the one or more battery cells and the one or more thermal insulators. The anisotropic thermal conductivity layer is configured to redirect heat from the one or more battery cells to the cooling plate.
Absstract of: US20260235687A1
An energy storage circuit is provided. The energy storage circuit includes a battery module formed of a plurality of battery cells, a current sense resistor, and a controller. Each battery cell is coupled to a corresponding cell resistor via a switch. The controller is operable to arrange the switches in a first configuration to perform an impedance measurement of one or more battery cells in the battery module. In the first configuration the cell resistors are coupled in series with each other and with the current sense resistor.
Absstract of: US20260235681A1
0000 An internal short-circuit detecting method includes obtaining a reference current-time data and a reference voltage-time data; obtaining a current-time data and a voltage-time data of a testing battery module; calculating a current integral quantity of the current-time data, a voltage average value of the voltage-time data, and a reference current integral quantity of the reference current-time data by a battery-cell internal short-circuit model; calculating a difference value between the current integral quantity and the reference current integral quantity to obtain an electric leakage quantity; calculating an internal short-circuit impedance value of the testing battery module; calculating a ratio value of the internal short-circuit impedance value to a square value of a value of N by a battery-cell internal short-circuit estimation model to obtain an estimated minimum internal short-circuit impedance value of one of an N quantities of battery cells of the testing battery module.
Absstract of: US20260237753A1
A rechargeable battery may include an electrode assembly wound around a core portion and a current collector plate located on at least one side of the electrode assembly and electrically connected to the electrode assembly. The current collector plate may include a first region in line with the core portion and having a first thickness and a second region in line with an outer portion of the electrode assembly and having a second thickness that may be less than the first thickness.
Absstract of: US20260237810A1
0000 A curved solid-state battery and a method of making the same are disclosed. The battery includes a plurality of curved, stacked solid-state battery cells and first and second terminals on opposite sides or ends of the battery. Each battery cell comprises a cathode current collector (CCC), a cathode on the CCC, a solid-state electrolyte on the cathode, and an anode current collector (ACC) on the electrolyte. The method includes making a plurality of solid-state battery cells on a conductive metal or metal alloy substrate, stacking pairs of the battery cells face-to-face using an adhesive to create a plurality of cell pairs, stacking at least some of the cell pairs, compressing the stacked cell pairs in a shaping device to form curved stacked cell pairs, and terminating first and second edges of the curved stacked cell pairs with a flexible conductive adhesive.
Absstract of: US20260237723A1
0000 There is provided a positive electrode of a lithium-ion secondary battery, the positive electrode including: a first region facing a separator; and a second region facing a current collector, in which the first region contains a first lithium manganese iron phosphate represented by Formula (1) as a general formula, the second region contains a second lithium manganese iron phosphate represented by Formula (2) as a general formula, and a
Absstract of: US20260237751A1
Provided is an electrode assembly formed by stacking a plurality of positive electrode portions and a plurality of negative electrode portions, including an outermost negative electrode portion. The outermost negative electrode portion includes a first negative electrode current collector having a first negative electrode active material layer on one surface and a second negative electrode active material layer on the opposite surface. One or both active material layers can include apertures or partially reduced coverage at an edge region, which may correspond to about 10-30% of the layer. Differences in composition or thickness between the layers help reduce volume expansion and bending stress, thereby enhancing performance and stability.
Absstract of: DE102025105315A1
Verfahren (10) zur Herstellung einer Kühleranordnung (20) zur Kühlung einer Leistungselektronik (21), wobei die Kühleranordnung (20) mindestens zwei Gehäuseteile umfasst, wobei ein erstes Gehäuseteil (22) aus einem ersten Material hergestellt ist und ein zweites Gehäuseteil (23) aus einem zweiten Material hergestellt ist, wobei das Verfahren die Schritte umfasst: Beschichtung (11) des ersten Gehäuseteils (22) zur Ausbildung einer ersten Schutzschicht (24);Fügen (12) des ersten beschichteten Gehäuseteils (22) und des zweiten Gehäuseteils (23); Beschichtung (13) des ersten beschichteten Gehäuseteils (22) und des zweiten Gehäuseteils (23) zur Ausbildung einer zweiten Schutzschicht (25)
Absstract of: US20260237675A1
0000 An anode active material layer for a lithium battery, comprising: (a) 50% to 95% by weight of multiple particles of an anode active material; (b) 0.01% to 30% by weight of a conductive additive; and (c) a high-elasticity polymer having a recoverable tensile strain no less than 5% and a lithium ion conductivity no less than 10<−7 >S/cm at room temperature, wherein the high-elasticity polymer meets at least one of the following conditions: (i) the polymer comprises a thermally stable elastomer or rubber having a glass transition temperature or melting point higher than 250° C. (preferably higher than 275° C., more preferably higher than 300° C., and most preferably higher than 350° C., as measured by differential scanning calorimetry) or a thermal decomposition temperature higher than 350° C. as measured by a thermal gravimetric analyzer; (ii) the polymer comprises a flame retardant additive dispersed therein.
Absstract of: DE102025105467A1
Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, auf welche eine kontinuierliche Glasphasenschicht aufgebracht ist unter Verwendung einer Trockenmischung und einer einstufigen Sinterung und welches die folgenden Schritte umfasst: Mischung eines Nickel-Kobalt-Manganhydroxid-Vorläufers, einer Lithiumquelle und eines glasartigen Leitervorläufers unter Verwendung eines Mischers, um eine Vorläufermischung zu bilden; dann Platzierung der Vorläufermischung in einen Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, welches aus mehreren positiven Elektrodenpartikeln gebildet ist, wobei jeder der positiven Elektrodenpartikel einen entsprechenden NCM-Partikel umfasst, der mit einer entsprechenden Glasphasenschicht beschichtet ist; dann Durchführung einer mechanischen Zerkleinerung des gesinterten Pulvers und Durchführung eines Siebvorgangs des gesinterten Pulvers unter Verwendung eines Siebs; und dann werden die gesinterten Pulver mit mehreren ersten Kohlenstoffnanoröhren und mehreren amorphen Kohlenstoffen im Nanomaßstab gemischt, um mehrere mit Kohlenstoffmaterial beschichtete positive Elektrodenpartikel zu bilden.
Absstract of: DE102025000508A1
Die Druckausgleichsvorrichtung ist für einen Behälter, vorzugsweise für ein Gehäuse einer Fahrzeugbatterie, vorgesehen und weist ein Gehäuse auf, das mit wenigstens einen Einlass für ein Gas versehen ist. Dem Einlass ist in Strömungsrichtung des Gases vom Behälter aus eine semipermeable Membran nachgeordnet. Sie liegt in einer ersten Stellung vor einem Auslass und in einer zweiten Stellung hinter dem Auslass. Die Druckausgleichsvorrichtung hat ferner ein in Strömungsrichtung des Gases nachgeordnetes Ventilelement. Das Ventilelement weist für das Gas eine Durchlassöffnung auf, die durch einen Schließkörper verschließbar ist. In einem drucklosen Zustand verschließt der Schließkörper die Durchlassöffnung. In einem Be- oder Entlüftungszustand gibt der Schließkörper die Durchlassöffnung zumindest teilweise frei.
Nº publicación: US20260237669A1 13/08/2026
Applicant:
HYUNDAI MOTOR CO [KR]
KIA CORP [KR]
SEOUL NATIONAL UNIV R&DB FOUNDATION [KR]
Hyundai Motor Company
Kia Corporation
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
Absstract of: US20260237669A1
Provided is a dry electrode, a method for manufacturing the same, and a secondary battery including the same. The dry electrode includes an electrode active material, a binder, and a polyether-based polymer compound. The polyether-based polymer compound is present in an amount of 0.1 wt. % to 15 wt. % based on 100 wt. % of the total content of the dry electrode. This composition improves process efficiency by enabling dry fabrication and enhances electrode performance by stabilizing the structure.
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