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1422
resultados
Última actualización
28/06/2026 [07:11:00]
Resultados 775 a 800 de 1422
Resumen de: WO2026127284A1
According to some embodiments, a battery inspection device comprises: a photographing unit configured to generate a negative electrode insertion state image by photographing an insertion state of a negative electrode inserted toward a winding core to form a jelly roll of a cylindrical battery cell; and a processing unit configured to measure a first distance indicating the insertion state of the negative electrode on the basis of the negative electrode insertion state image, calculate a negative electrode insertion amount indicator indicating the insertion amount of the negative electrode on the basis of the first distance, and diagnose a winding state of the jelly roll on the basis of the negative electrode insertion amount indicator.
Resumen de: WO2026127490A1
The present invention relates to: a positive electrode material capable of improving the performance of a lithium secondary battery; a positive electrode; and a lithium secondary battery, the positive electrode and the lithium secondary battery including the positive electrode material. The positive electrode material comprises: a first positive electrode active material including a first lithium-rich manganese-based oxide having a composition represented by chemical formula 1 or 2 described in the present specification, and a first coating portion formed on the first lithium-rich manganese-based oxide; and a second positive electrode active material including a second lithium-rich manganese-based oxide having a composition represented by chemical formula 1 or 2 described in the present specification, and a second coating portion formed on the second lithium-rich manganese-based oxide, wherein the first coating portion and the second coating portion each independently include at least one coating element (R) selected from the group consisting of aluminum (Al) and niobium (Nb), and the second positive electrode active material has a smaller average particle diameter (D50) than the first positive electrode active material.
Resumen de: DE102024138229A1
Traktionsbatterie eines Kraftfahrzeugs, mit mehreren Batteriezellen (12), wobei jede Batteriezelle (12) als Festkörperbatteriezelle ausgebildet ist, die eine als Kathode (13) dienende erste Elektrode, eine als Anode (14) dienende zweite Elektrode und einen zwischen den Elektroden angeordneten Festkörperelektrolyten (15) aufweist, wobei der Festkörperelektrolyt (15) der jeweiligen Batteriezelle (12) als Sulfid-Festkörperelektrolyt ausgebildet ist, und wobei die Kathode (13) als NMC-Kathode oder LMFP-Kathode oder LFP-Kathode oder NCA-Kathode oder NMO-Kathode oder Nickelbasis-Kathode ausgebildet ist, wobei Partikel eines NMC-Werkstoffs oder LMFP-Werkstoffs oder LFP-Werkstoffs oder NCA-Werkstoffs oder NMO-Werkstoffs oder Nickelbasis-Werkstoffs der Kathode (13) in Li3PO4oder LiNbO3oder LiTaO3oder Li2ZrO3oder Li4Ti5O12eingebettet sind.
Resumen de: DE102026115676A1
Die Erfindung betrifft ein Verfahren zur Herstellung eines elektrischen Energiespeichers (1) und einen elektrischen Energiespeicher (1), umfassend ein Gehäuse (3), in welchem eine Mehrzahl an Einzelzellen (5) angeordnet ist, wobei eine Anzahl von Kühlrippen (7) derart parallel zueinander in dem Gehäuse (3) angeordnet wird, dass eine Anzahl von Kanälen (9) gebildet wird, wobei zwischen Kühlrippenenden von zwei benachbarten Kühlrippen (7) eine Kanalöffnung (10) zum Einführen der Einzelzellen (5) in den Kanal (9) gebildet wird, wobei die Einzelzellen (5) durch die mindestens eine Kanalöffnung (10) in den mindestens einen Kanal (9) eingeführt und angeordnet werden, welcher durch zwei benachbarte Kühlrippen (7) gebildet ist/wird.
Resumen de: WO2026127672A1
Provided is an isotope battery stack comprising: a plurality of isotope battery units stacked in a first direction; at least one cooling hole passing through the plurality of isotope battery units; and a refrigerant supply unit capable of supplying a refrigerant to the cooling hole. The isotope battery stack according to embodiments of the present invention has excellent heat dissipation and cooling performance.
Resumen de: US20260171500A1
An electrolyte for a lithium metal battery that includes a lithium salt, a non-aqueous organic solvent, and a thiophene additive, wherein the thiophene additive is included in an amount of 0.5 wt % to 3 wt % based on a total amount (100 wt %) of the electrolyte for a lithium metal battery.
Resumen de: US20260171502A1
An electrolyte for a lithium metal battery that includes a lithium salt; and a non-aqueous organic solvent where the non-aqueous organic solvent includes a main solvent and a cosolvent that is different from the main solvent.
Resumen de: US20260171611A1
Disclosed are an electrode assembly and a rechargeable lithium battery including the same, the electrode assembly including an electrode group stack including a plurality of positive electrodes and one or more negative electrodes alternately stacked in a thickness direction with a separator interposed therebetween, wherein the plurality of positive electrodes includes a first positive electrode and a second positive electrode, the first positive electrode is disposed on the inner side of the electrode group stack, the second positive electrode is disposed on the outer side of the electrode group stack, the first positive electrode includes a first positive electrode current collector and a first positive electrode active material layer, the second positive electrode includes a second positive electrode current collector, a second positive electrode active material layer, and a resin layer, the resin layer is disposed at the outermost portion of the electrode group stack.
Resumen de: WO2026123627A1
The present application belongs to the technical field of batteries, and discloses a secondary battery and an electrical apparatus. The secondary battery comprises a wound battery cell, the wound battery cell comprising a flat region and a corner region, and the wound battery cell comprising a positive electrode sheet, a negative electrode sheet, and a separator between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet comprises a positive electrode current collector, and a flame retardant layer and a positive electrode active material layer which are sequentially disposed on at least one surface of the positive electrode current collector. In the present application, a thickness relationship between the flame retardant layer and the positive electrode active material layer in the flat region and the corner region is controlled, so that the phenomenon of lithium precipitation at a corner can be significantly ameliorated.
Resumen de: WO2026127564A1
Provided are a positive electrode active material, a method for preparing same, and a positive electrode comprising same. The positive electrode active material includes secondary particles in which a plurality of primary particles are aggregated, wherein the primary particle includes a core portion including a lithium transition metal oxide and a surface portion including a first element, and the first element is selected from the group consisting of Y, Zr, B, Ti, W, Nb, Sr, Mo, Mg, P, V, Ta, Ga, Ca, Si, La, and combinations thereof. Both capacity characteristics and stability can be improved through the preparation of the positive electrode active material, and a battery including the positive electrode active material may exhibit improved rate characteristics and lifespan characteristics.
Resumen de: WO2026126403A1
The purpose of the present disclosure is to provide a monitoring device and a power supply system capable of evaluating the validity of a battery. In order to achieve the above purpose, the present disclosure employs, as the solution, a monitoring device for monitoring a battery provided with a plurality of battery cells electrically connected in series, the monitoring device comprising: a voltage detection unit that is electrically connected to the plurality of battery cells via a predetermined voltage detection line and that detects electrode voltages of the plurality of battery cells; a plurality of discharge circuits that forcibly discharge the plurality of battery cells; and an evaluation unit that calculates, as a path resistance value, a resistance value of the voltage detection line on the basis of the electrode voltages when specific battery cells are forcibly discharged by the plurality of discharge circuits and the electrode voltages when the battery cells are not forcibly discharged, and evaluates the validity of the battery on the basis of the path resistance value.
Resumen de: WO2026127465A1
The present invention relates to: an anode active material; a preparation method for the anode active material; an anode composition; an anode for a lithium secondary battery, comprising same; and a lithium secondary battery comprising the anode.
Resumen de: DE102024138615A1
Die Erfindung betrifft ein Verfahren zum Behandeln eines Schwarzmasse-Gemischs (SMG) zur Gewinnung von Reinstoffen, mit mindestens den folgenden Schritten:- Bereitstellen des Schwarzmasse-Gemisches (SMG) (ST0);- Durchführen eines Heißdampfbehandlungsprozesses (HD) (ST1) an dem bereitgestellten Schwarzmasse-Gemisch (SMG) durch:--- Beaufschlagen oder Vermischen des bereitgestellten Schwarzmasse-Gemisches (SMG) mit Heißdampf (D) (ST1.1) zum Bewirken einer ersten chemischen Reaktion (R1) unter Bildung zumindest einer festen Lithium-Verbindung (LV) und von Abluft (A), aufweisend gasförmigen Fluorwasserstoff (HFg),--- Abführen der in der ersten chemischen Reaktion (R1) entstehenden Abluft (A) (ST1.2),--- Zusammenführen dieser abgeführten Abluft (A) mit einem Adsorbermaterial (M) (ST1.3) zum Bewirken einer zweiten chemischen Reaktion (R2) unter Bildung eines Feststoffs (FS), umfassend Flussspat, mindestens eines Nebenprodukts (N) und eines gereinigten Gasstroms (G),--- Abscheiden des in der zweiten chemischen Reaktion (R2) gebildeten Feststoffs (FS) von dem mindestens einen Nebenprodukt (N) (ST1.4) zur Gewinnung von Flussspat als Reinstoff;--- Abführen des in der zweiten chemischen Reaktion (R2) gebildeten gereinigten Gasstroms (G) (ST1.5); und--- Abführen der in der ersten chemischen Reaktion (R1) gebildeten festen Lithium-Verbindung (LV) als Bestandteil eines behandelten Schwarzmasse-Gemisches (bSMG) nach Abschluss des Heißdampfbehandlungsprozesses (HD) (ST1.6).
Resumen de: WO2026123395A1
Provided in the present application is a method for extracting lithium from spent batteries. The method comprises the following steps: (1) pretreatment, involving: acquiring a spent ternary positive electrode material, and pretreating the spent ternary positive electrode material to obtain black mass; (2) a reduction roasting treatment, involving: subjecting the black mass to reduction roasting to obtain a roasted powder; (3) an acid dissolution treatment, involving: subjecting the roasted powder and a sulfuric acid solution to an acid dissolution reaction to obtain a solid-liquid mixture; and (4) an electrolysis treatment, involving: electrolyzing the solid-liquid mixture, and after electrolysis is finished, filtering same to obtain a filter residue and a lithium-containing solution. By using the method provided in the present application, the recovery rate of lithium is increased to 98% or more.
Resumen de: DE102024138030A1
Die Erfindung betrifft ein Verfahren zum Betreiben einer Batterie (16), die mindestens eine Batterieeinheit (16, 18) umfasst, wobei ein gemessener Batteriestrom (I) an einer Steuereinrichtung (10) bereitgestellt wird, die in Abhängigkeit vom gemessenen Batteriestrom (I) überprüft, ob ein vorgegebenes Sicherheitskriterium (K) erfüllt ist, und falls das Sicherheitskriterium (K) nicht erfüllt ist, mindestens eine Maßnahme (M) auslöst. Dabei ist vorgesehen, dass die Steuereinrichtung (10) zur Überprüfung, ob das vorgegebene Sicherheitskriterium (K) erfüllt ist, überprüft, ob eine mittels eines vorgegebenen Temperaturmodells (32) für mindestens eine Komponente (20, 22) der Batterie (16) und in Abhängigkeit vom bereitgestellten Batteriestrom (I) berechnete Temperatur (T) der mindestens einen Komponente (20, 22) einen bestimmten Temperaturschwellwert (TG) überschreitet, und falls die berechnete Temperatur (T) den bestimmten Temperaturschwellwert (TG) überschreitet, die Steuereinrichtung (10) bestimmt, dass das Sicherheitskriterium (K) nicht erfüllt ist.
Resumen de: WO2026127725A1
A method for recovering a mixture containing a lithium compound and graphite, according to the present invention, comprises: a step of preparing a reactant recovered from a waste battery; a pretreatment step of removing a lithium compound in the reactant and an organic compound disposed on graphite; and a step of obtaining a mixture containing the lithium compound and graphite from the reactant.
Resumen de: US20260171484A1
A solid electrolyte includes a compound represented by LiaA1b1A2b2A3b3(Y)c(X)d. Li is lithium. A1, A2, and A3 are different from each other and A1, A2, and A3 each comprise antimony (Sb), tin (Sn), germanium (Ge), silicon (Si), or phosphorus (P). Y comprises oxygen (O), sulfur(S), selenium (Se), or tellurium (Te). X comprises chlorine (Cl), bromine (Br), iodine (I), or X1eX21-e. X1 and X2 are different from each other and X1 and X2 each comprise Cl, Br, or I. Further, a satisfies 5≤a≤8, b1, b2, and b3 each satisfy 0≤b1≤1, 0≤b2≤1, 0≤b3≤1, b1+b2+b3=1, c satisfies 4≤c≤6, d satisfies 0≤d≤2, and e satisfies 0
Resumen de: US20260171537A1
0000 An energy storage device is configured by stacking an electrically conductive current collector plate, a plurality of battery modules each including one or more battery cells, and a cooler configured to cool the battery modules. A groove is provided on a surface of the current collector plate that faces the battery module.
Resumen de: US20260170879A1
0000 A vehicle includes a battery, a display device, and a control device. The control device estimates the degree of degradation of the battery, and controls the display device such that a parameter indicating the estimated degree of degradation of the battery is displayed. When a control program has been rewritten, the control device determines whether first identification information of the control program before rewriting matches second identification information of the control program after rewriting. When the first identification information matches the second identification information, the control device controls the display device such that a first travel distance expressed in a predetermined format is displayed. When the first identification information does not match the second identification information, the control device controls the display device such that a second travel distance is displayed. The first travel distance is a cumulative travel distance that the vehicle has traveled since the parameter was updated.
Resumen de: US20260171520A1
0000 A battery management device includes: an acquisition unit that acquires a degradation evaluation value for evaluating a degree of advance of a high-rate degradation state of a lithium-ion secondary battery; a high-frequency signal supply unit that supplies a high-frequency signal at a frequency of 0.1 MHz or higher to the lithium-ion secondary battery; a detection unit that detects a value of a real part of alternating current impedance from the lithium-ion secondary battery supplied with the high-frequency signal; a calculation unit that calculates an amount of Li deposition in the lithium-ion secondary battery from the detected value of the real part of the alternating current impedance; and a control unit that, as the calculated amount of Li deposition increases, reduces an upper-limit degradation evaluation value for the lithium-ion secondary battery that is a criterion for determining whether the lithium-ion secondary battery is expected to reach the high-rate degradation state.
Resumen de: WO2026127492A1
The disclosed battery assembly comprises: a first cell array and a second cell array in which a plurality of battery cells are arranged in one direction; a beam pad disposed between the first cell array and the second cell array; a pair of side beams disposed outside each of the first cell array and the second cell array; and a support plate disposed on the bottom surfaces of the first cell array and the second cell array and fastened and fixed to the beam pad and the pair of side beams.
Resumen de: DE102025152736A1
Problem Angemessenes Verschweißen von Harzstücken im Laufe der Herstellung einer Batteriezelle.Mittel zur Lösung Eine Herstellungsvorrichtung 9 für eine Batteriezelle 1 schließt ein: eine erste Heizplatte 91, die äußere Materialien 11, die einen Behälter 10 der Batteriezelle 1 bilden, und Harzstücke 5 in einer Schichtungsrichtung an einer Position einer Öffnung 12, 13 des Behälters 10 mit Druck beaufschlagt und erwärmt und dadurch die Öffnung versiegelt; und eine zweite Heizplatte 92, die Kanten der äußeren Materialien, die in der Schichtungsrichtung gestapelt sind, zumindest in der Schichtungsrichtung mit Druck beaufschlagt und erwärmt und dadurch einen Kantenabschnitt des Behälters versiegelt.
Resumen de: US20260171390A1
0000 A method of manufacturing an electrode plate includes applying an active material to a first region of a surface of a substrate, applying a temporary material to a second region of the surface of the substrate, pressing, through a press process, the substrate to which the active material and the temporary material are applied, and removing the temporary material to form the electrode plate.
Resumen de: DE102024137619A1
Akkupack (1) für ein Feldgerät der Automatisierungstechnik (2), zumindest aufweisend einen M12-Steckverbinderbuchse (1.1) zum Anschließen des Akkupackes an einen M12-Steckverbinder (2.1) des Feldgerätes, zumindest eine Akkuzelle (1.2), die dazu ausgelegt ist, dass Feldgerät zumindest zeitweise über die M12-Steckverbinderbuchse mit Energie zu versorgen, ein Funkmodul (1.3), das dazu eingerichtet ist, Daten von dem an der M12-Steckverbinderbuchse (1.1) angeschlossenen Feldgerät (2) über die M12-Steckverbinderbuchse (1.1) zu empfangen und drahtlos auszusenden und eine Steuereinheit (1.4), die dazu eingerichtet ist, das an der M12-Steckverbinderbuchse (1.1) angeschlossene Feldgerät (2) zumindest zeitweise zu aktivieren und mit Energie zu versorgen, so dass das Feldgerät (2) im aktivierten Zustand Daten, insb. Messwerte, über die M12-Steckverbinderbuchse (1.1) zu dem Akkupack (1) überträgt und das Funkmodul (1.3) des Akkupacks die Daten drahtlos aussendet.
Nº publicación: WO2026128502A1 18/06/2026
Solicitante:
THE REGENTS OF THE UNIV OF CALIFORNIA [US]
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Resumen de: WO2026128502A1
Disclosed are methods, materials, compositions, formulations, products, and systems that pertain to energy storage devices such as Li-ion electrochemical cells and batteries. In some disclosed materials, the material has a crystal structure with one or more tetrahedral sites and a redox-inactive cation is located at each tetrahedral site. The disclosed embodiments, among other features and benefits, can be implemented to provide high-performance energy storage devices.
BOPI
Sede Electrónica
